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id_x
string
text
string
patent_number
string
title
string
assignee
string
inventor/author
string
priority date
string
filing/creation date
string
publication date
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grant date
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result link
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__index_level_0__
int64
US11360197B2-158
In embodiments, the type of perturbation and amount or percentage of perturbation may be determined by the current mutual information value, mutual information cost, a difference of the cost value of a current iteration and the cost value of a previous iteration, or a difference of the mutual information value of a cur...
US11360197B2
Calibration of sensor systems
Luminar, Llc
Amey Sutavani, Lekha Walajapet Mohan, Benjamin Englard
2020-01-07
2020-05-07
2022-06-14
2022-06-14
https://patents.google.com/patent/US11360197B2/en
https://patentimages.sto…20614-D00000.png
null
9,666
US10088559B1-41
In operation, the light source 110 emits an output beam of light 125 which may be continuous-wave, pulsed, or modulated in any suitable manner for a given application. The output beam of light 125 is directed downrange toward a remote target 130 located a distance D from the lidar system 100 and at least partially cont...
US10088559B1
Controlling pulse timing to compensate for motor dynamics
Luminar Technologies, Inc.
Matthew D. Weed, Scott R. Campbell, Lane A. Martin, Jason M. Eichenholz, Austin K. Russell, Rodger W. Cleye, Melvin L. Stauffer
2017-03-29
2018-01-22
2018-10-02
2018-10-02
https://patents.google.com/patent/US10088559B1/en
https://patentimages.sto…81002-D00000.png
null
474
US11367990B2-19
FIG. 17 illustrates an example computer system.
US11367990B2
Lidar system operating at 1200-1400 NM
Luminar, Llc
Jason M. Eichenholz, Laurance S. Lingvay, David Welford
2018-08-29
2019-08-29
2022-06-21
2022-06-21
https://patents.google.com/patent/US11367990B2/en
https://patentimages.sto…20621-D00000.png
null
9,850
US10627521B2-138
FIG. 11 depicts scenarios 710A through 710D, which illustrate how a vehicle sensor may be optimally focused, or at least more usefully focused, as a vehicle 712 goes down and up the same hills shown in FIG. 10. Similar to the vehicle 702 of FIG. 10, the vehicle 712 (e.g., the vehicle 300 of FIG. 4A or the vehicle 360 o...
US10627521B2
Controlling vehicle sensors based on dynamic objects
Luminar Technologies, Inc.
Benjamin Englard, Eric C. Danziger, Austin K. Russell
2017-12-13
2018-10-31
2020-04-21
2020-04-21
https://patents.google.com/patent/US10627521B2/en
https://patentimages.sto…00421-D00000.png
null
6,482
US10591600B2-83
In particular embodiments, each optical link (330-1, 330-2, . . . , 330-N) may be approximately the same length, or the optical links may have two or more different lengths. As an example, each optical link may include a fiber-optic cable with a length of approximately 20 m. As another example, the optical links may ea...
US10591600B2
Lidar system with distributed laser and multiple sensor heads
Luminar Technologies, Inc.
Alain Villeneuve, Jason M. Eichenholz
2015-11-30
2016-11-29
2020-03-17
2020-03-17
https://patents.google.com/patent/US10591600B2/en
https://patentimages.sto…00317-D00000.png
null
5,613
US10503172B2-171
The term value generator 740 may generate values for X different terms of the objective equation, where X is any suitable positive integer. Each term may correspond to a different driving objective over some finite time horizon. For example, “Term 1” of FIG. 13 may be a distance from a nearest object or from some prede...
US10503172B2
Controlling an autonomous vehicle based on independent driving decisions
Luminar Technologies, Inc.
Benjamin Englard, Joseph Augenbraun
2017-10-18
2018-10-02
2019-12-10
2019-12-10
https://patents.google.com/patent/US10503172B2/en
https://patentimages.sto…91210-D00000.png
null
4,696
US10545240B2-135
Still further, as illustrated in FIG. 13, there may be two amplitude detection circuits 608 associated with each particular threshold value (T1, for example). In particular, there are two types of comparators 610, including rising-edge comparators, indicated with a plus sign (+), and falling-edge comparators, indicated...
US10545240B2
LIDAR transmitter and detector system using pulse encoding to reduce range ambiguity
Luminar Technologies, Inc.
Scott R. Campbell, Joseph G. LaChapelle, Jason M. Eichenholz, Austin K. Russell
2017-03-28
2018-03-10
2020-01-28
2020-01-28
https://patents.google.com/patent/US10545240B2/en
https://patentimages.sto…00128-D00000.png
null
4,965
US10061019B1-46
The window 157 may be made from any suitable substrate material, such as for example, glass or plastic (e.g., polycarbonate, acrylic, cyclic-olefin polymer, or cyclic-olefin copolymer). The window 157 may include an interior surface (surface A) and an exterior surface (surface B), and surface A or surface B may include...
US10061019B1
Diffractive optical element in a lidar system to correct for backscan
Luminar Technologies, Inc.
Scott R. Campbell, Jason M. Eichenholz
2017-03-28
2017-10-10
2018-08-28
2018-08-28
https://patents.google.com/patent/US10061019B1/en
https://patentimages.sto…80828-D00000.png
null
322
US11378666B2-92
In some implementations, the scanner 162 may include one mirror configured to be scanned along two axes, where two actuators arranged in a push-pull configuration provide motion along each axis. For example, two resonant actuators arranged in a horizontal push-pull configuration may drive the mirror along a horizontal ...
US11378666B2
Sizing the field of view of a detector to improve operation of a lidar system
Luminar, Llc
Scott R. Campbell, Lane A. Martin, Matthew D. Weed, Jason M. Eichenholz
2017-03-29
2020-04-29
2022-07-05
2022-07-05
https://patents.google.com/patent/US11378666B2/en
https://patentimages.sto…20705-D00000.png
null
10,144
US10591600B2-236
The lidar system, wherein the light source comprises: a plurality of laser diodes, wherein each laser diode is configured to produce light at a different operating wavelength; and an optical multiplexer configured to combine the light produced by each laser diode into a single optical fiber.
US10591600B2
Lidar system with distributed laser and multiple sensor heads
Luminar Technologies, Inc.
Alain Villeneuve, Jason M. Eichenholz
2015-11-30
2016-11-29
2020-03-17
2020-03-17
https://patents.google.com/patent/US10591600B2/en
https://patentimages.sto…00317-D00000.png
null
5,766
US10845480B1-149
FIG. 18 illustrates an example temporal offset (Δt) between electrical current pulses supplied to a seed laser diode 400 and a SOA 410. In particular embodiments, a rising edge of a seed-laser current pulse I1 may be offset from a rising edge of a corresponding SOA current pulse I2 by a particular time interval Δt. The...
US10845480B1
Lidar system with semiconductor optical amplifier
Luminar Technologies, Inc.
Lawrence Shah, Jason M. Eichenholz, Joseph G. LaChapelle, Alex Michael Sincore, Cheng Zhu
2019-02-08
2020-02-07
2020-11-24
2020-11-24
https://patents.google.com/patent/US10845480B1/en
https://patentimages.sto…01124-D00000.png
null
7,506
US10976417B2-12
FIG. 7 schematically illustrates fields of view (FOVs) of a light source and a detector that can operate in the lidar system of FIG. 1;
US10976417B2
Using detectors with different gains in a lidar system
Luminar Holdco, Llc
Joseph G. LaChapelle, Scott R. Campbell, Jason M. Eichenholz, Matthew D. Weed
2017-03-29
2018-03-29
2021-04-13
2021-04-13
https://patents.google.com/patent/US10976417B2/en
https://patentimages.sto…10413-D00000.png
null
7,717
US10338199B1-34
FIG. 8 shows a side cross-sectional view of a transmitter component of a transceiver, according to an exemplary, non-limiting embodiment of the invention.
US10338199B1
Transceiver apparatus, method and applications
Luminar Technologies, Inc.
John E. McWhirter, Allen Gabriele
2018-07-05
2018-07-05
2019-07-02
2019-07-02
https://patents.google.com/patent/US10338199B1/en
https://patentimages.sto…90702-D00000.png
null
2,754
US10451716B2-113
Generally speaking, the light from the Sun that passes through the Earth's atmosphere and reaches a terrestrial-based lidar system such as the system 120A can establish an optical background noise floor for this system. Thus, in order for a signal from the lidar system 120A to be detectable, the signal must rise above ...
US10451716B2
Monitoring rotation of a mirror in a lidar system
Luminar Technologies, Inc.
John Hughes, Nicholas Ventola, Sean P. Hughes
2017-11-22
2018-04-20
2019-10-22
2019-10-22
https://patents.google.com/patent/US10451716B2/en
https://patentimages.sto…91022-D00000.png
null
4,073
US11378666B2-88
Now referring to FIG. 2, a scanner 162 and a receiver 164 can operate in the lidar system of FIG. 1 as the scanner 120 and the receiver 140, respectively. More generally, the scanner 162 and the receiver 164 can operate in any suitable lidar system.
US11378666B2
Sizing the field of view of a detector to improve operation of a lidar system
Luminar, Llc
Scott R. Campbell, Lane A. Martin, Matthew D. Weed, Jason M. Eichenholz
2017-03-29
2020-04-29
2022-07-05
2022-07-05
https://patents.google.com/patent/US11378666B2/en
https://patentimages.sto…20705-D00000.png
null
10,140
US10401481B2-5
In another embodiment, a method in a lidar system operating in a vehicle for scanning a field of regard is provided. The method comprises generating a first output beam of light has a first amount of power; generating a second output beam of light has a second amount of power smaller than the first amount of power; sca...
US10401481B2
Non-uniform beam power distribution for a laser operating in a vehicle
Luminar Technologies, Inc.
Scott R. Campbell, Matthew D. Weed, Lane A. Martin, Jason M. Eichenholz
2017-03-30
2018-03-30
2019-09-03
2019-09-03
https://patents.google.com/patent/US10401481B2/en
https://patentimages.sto…90903-D00000.png
null
3,422
US11378666B2-24
FIG. 16 a diagram of a detector array which includes three detectors, which can be used in the lidar system of FIG. 1;
US11378666B2
Sizing the field of view of a detector to improve operation of a lidar system
Luminar, Llc
Scott R. Campbell, Lane A. Martin, Matthew D. Weed, Jason M. Eichenholz
2017-03-29
2020-04-29
2022-07-05
2022-07-05
https://patents.google.com/patent/US11378666B2/en
https://patentimages.sto…20705-D00000.png
null
10,076
US10121813B2-164
While operations may be depicted in the drawings as occurring in a particular order, this should not be understood as requiring that such operations be performed in the particular order shown or in sequential order, or that all operations be performed. Further, the drawings may schematically depict one more example pro...
US10121813B2
Optical detector having a bandpass filter in a lidar system
Luminar Technologies, Inc.
Jason M. Eichenholz, Scott R. Campbell, Joseph G. LaChapelle
2017-03-28
2018-03-01
2018-11-06
2018-11-06
https://patents.google.com/patent/US10121813B2/en
https://patentimages.sto…81106-D00000.png
null
971
US11536803B2-7
FIG. 5 illustrates an example unidirectional scan pattern that includes multiple pixels and multiple scan lines.
US11536803B2
Lidar receiver with multiple detectors for range-ambiguity mitigation
Luminar, Llc
Stephen D. Gaalema, Mark A. Drummer, Stephen L. Mielke, Jason M. Eichenholz
2018-12-05
2019-08-29
2022-12-27
2022-12-27
https://patents.google.com/patent/US11536803B2/en
https://patentimages.sto…21227-D00000.png
null
12,195
US10451716B2-231
In an embodiment, the rotary encoder 1000 is an optical encoder that has an optical beam, the presence or absence of which is detectable by a stationary photo-interrupter 1006 (also known as an opto-detector), to generate data that may be used to indicate the rotational speed of the rotatable polygon mirror 12 or other...
US10451716B2
Monitoring rotation of a mirror in a lidar system
Luminar Technologies, Inc.
John Hughes, Nicholas Ventola, Sean P. Hughes
2017-11-22
2018-04-20
2019-10-22
2019-10-22
https://patents.google.com/patent/US10451716B2/en
https://patentimages.sto…91022-D00000.png
null
4,191
US11551547B2-103
The lane detection module 104 may similarly perform the example subdivision technique 636 illustrated in example bubble 640 on all other linked sections of pixels included in the point cloud. For example, the lane detection module 104 may evaluate the linked section of pixels with beginning pixel 646 and ending pixel 6...
US11551547B2
Lane detection and tracking techniques for imaging systems
Luminar, Llc
Pranav Maheshwari, Vahid R. Ramezani, Ismail El Houcheimi, Shubham C. Khilari, Rounak Mehta
2020-01-06
2020-07-09
2023-01-10
2023-01-10
https://patents.google.com/patent/US11551547B2/en
https://patentimages.sto…30110-D00000.png
null
12,574
US11119219B1-179
In particular embodiments, the average optical power of LO light 430 may be configured by adjusting or setting (i) an amount of seed current I1 supplied to a seed laser diode 450, (ii) a reflectivity of the back face 451 of the seed laser diode 450, (iii) a reflectivity of a free-space splitter 470, or (iv) an amount o...
US11119219B1
Lidar system with input optical element
Luminar, Llc
Joseph G. LaChapelle, Jason M. Eichenholz, Alex Michael Sincore, Lawrence Shah
2020-08-10
2021-02-24
2021-09-14
2021-09-14
https://patents.google.com/patent/US11119219B1/en
https://patentimages.sto…10914-D00000.png
null
8,943
US11536803B2-45
In particular embodiments, lidar system 100 may include one or more optical components configured to reflect, focus, filter, shape, modify, steer, or direct light within the lidar system 100 or light produced or received by the lidar system 100 (e.g., output beam 125 or input beam 135). As an example, lidar system 100 ...
US11536803B2
Lidar receiver with multiple detectors for range-ambiguity mitigation
Luminar, Llc
Stephen D. Gaalema, Mark A. Drummer, Stephen L. Mielke, Jason M. Eichenholz
2018-12-05
2019-08-29
2022-12-27
2022-12-27
https://patents.google.com/patent/US11536803B2/en
https://patentimages.sto…21227-D00000.png
null
12,233
US10545240B2-88
Now referring to FIG. 4, a rotating scan module 220 is generally similar to the rotating scan module 200. In this implementation, however, the components of the rotating scan module 220 are disposed on a platform 222 which rotates inside a stationary circular housing 230. In this implementation, the circular housing 23...
US10545240B2
LIDAR transmitter and detector system using pulse encoding to reduce range ambiguity
Luminar Technologies, Inc.
Scott R. Campbell, Joseph G. LaChapelle, Jason M. Eichenholz, Austin K. Russell
2017-03-28
2018-03-10
2020-01-28
2020-01-28
https://patents.google.com/patent/US10545240B2/en
https://patentimages.sto…00128-D00000.png
null
4,918
US11391842B2-94
At block 920, the VROI detection module 110 determines a lower bound of the VROI based at least in part on detecting a suitable subset of the received sensor data. In some implementations, the suitable subset may have a minimum relative elevation metric. To that end, the VROI detection module 110 may first identify a p...
US11391842B2
Adaptive scan pattern with virtual horizon estimation
Luminar, Llc
Dmytro Trofymov
2020-01-06
2020-02-12
2022-07-19
2022-07-19
https://patents.google.com/patent/US11391842B2/en
https://patentimages.sto…20719-D00000.png
null
10,431
US10169680B1-223
27. The computer-implemented method of aspect 1, the 3-D environment image is generated by one or more active imaging sensors or devices.
US10169680B1
Object identification and labeling tool for training autonomous vehicle controllers
Luminar Technologies, Inc.
Prateek Sachdeva, Dmytro Trofymov
2017-12-21
2018-02-27
2019-01-01
2019-01-01
https://patents.google.com/patent/US10169680B1/en
https://patentimages.sto…90101-D00000.png
null
1,201
US10338199B1-7
wherein the outer housing has an inner diameter that is up to 2% larger than an outer diameter of the inner housing;
US10338199B1
Transceiver apparatus, method and applications
Luminar Technologies, Inc.
John E. McWhirter, Allen Gabriele
2018-07-05
2018-07-05
2019-07-02
2019-07-02
https://patents.google.com/patent/US10338199B1/en
https://patentimages.sto…90702-D00000.png
null
2,727
US9810786B1-70
FIG. 7 illustrates an example forward-scan direction and reverse-scan direction for a light-source field of view and a receiver field of view. In particular embodiments, a lidar system 100 may be configured so that the FOVR is larger than the FOVL, and the receiver and light-source FOVs may be substantially coincident,...
US9810786B1
Optical parametric oscillator for lidar system
Luminar Technologies, Inc.
David Welford, Martin A. Jaspan, Jason M. Eichenholz, Scott R. Campbell, Lane A. Martin, Matthew D. Weed
2017-03-16
2017-03-16
2017-11-07
2017-11-07
https://patents.google.com/patent/US9810786B1/en
https://patentimages.sto…71107-D00000.png
null
14,471
US11360197B2-94
Similar to the scan pattern 240, each of the linear scan patterns 254A-N includes pixels associated with one or more laser pulses and distance measurements. FIG. 4 illustrates example pixels 252A, 252B and 252C along the scan patterns 254A, 254B and 254C, respectively. The lidar system 100 in this example may g...
US11360197B2
Calibration of sensor systems
Luminar, Llc
Amey Sutavani, Lekha Walajapet Mohan, Benjamin Englard
2020-01-07
2020-05-07
2022-06-14
2022-06-14
https://patents.google.com/patent/US11360197B2/en
https://patentimages.sto…20614-D00000.png
null
9,602
US11367990B2-213
In particular embodiments, certain features described herein in the context of separate implementations may also be combined and implemented in a single implementation. Conversely, various features that are described in the context of a single implementation may also be implemented in multiple implementations separatel...
US11367990B2
Lidar system operating at 1200-1400 NM
Luminar, Llc
Jason M. Eichenholz, Laurance S. Lingvay, David Welford
2018-08-29
2019-08-29
2022-06-21
2022-06-21
https://patents.google.com/patent/US11367990B2/en
https://patentimages.sto…20621-D00000.png
null
10,044
US10003168B1-36
In particular embodiments, an output beam of light 125 emitted by light source 110 may be unpolarized or randomly polarized, may have no specific or fixed polarization (e.g., the polarization may vary with time), or may have a particular polarization (e.g., output beam 125 may be linearly polarized, elliptically polari...
US10003168B1
Fiber laser with free-space components
Luminar Technologies, Inc.
Alain Villeneuve
2017-10-18
2017-11-30
2018-06-19
2018-06-19
https://patents.google.com/patent/US10003168B1/en
https://patentimages.sto…80619-D00000.png
null
36
US10684360B2-108
Next, FIG. 9 illustrates an example vehicle 354 with a lidar system 351 that includes a laser 352 with multiple sensor heads 360 coupled to the laser 352 via multiple laser-sensor links 370. The laser 352 and the sensor heads 360 may be similar to the laser 300 and the sensor 310 discussed above, in some implementation...
US10684360B2
Protecting detector in a lidar system using off-axis illumination
Luminar Technologies, Inc.
Scott R. Campbell
2017-03-30
2017-09-22
2020-06-16
2020-06-16
https://patents.google.com/patent/US10684360B2/en
https://patentimages.sto…00616-D00000.png
null
7,028
US9810786B1-105
In particular embodiments, gain medium 410 may include a back surface 470 with a dielectric coating. As an example, back surface 470 may have a coating with a low reflectivity (e.g., R<10%) at a pump-laser wavelength and a high reflectivity (e.g., R>90%) at an operating wavelength of the PQSW laser 400. In particular e...
US9810786B1
Optical parametric oscillator for lidar system
Luminar Technologies, Inc.
David Welford, Martin A. Jaspan, Jason M. Eichenholz, Scott R. Campbell, Lane A. Martin, Matthew D. Weed
2017-03-16
2017-03-16
2017-11-07
2017-11-07
https://patents.google.com/patent/US9810786B1/en
https://patentimages.sto…71107-D00000.png
null
14,506
US11435479B2-122
In some implementations, the expected configuration is determined based upon the relative position between the vehicle and the object. For example, the classification module 412 may associate the point cloud object with a generic object of the same type of object. The generic object may be rotated and/or scaled based o...
US11435479B2
Determining relative velocity based on an expected configuration
Luminar, Llc
Eric C. Danziger, Austin K. Russell, Benjamin Englard
2018-08-06
2018-11-20
2022-09-06
2022-09-06
https://patents.google.com/patent/US11435479B2/en
https://patentimages.sto…20906-D00000.png
null
11,359
US11521009B2-119
The SDCA 500 also includes a prediction component 520, which processes the perception signals 508 to generate prediction signals 522 descriptive of one or more predicted future states of the autonomous vehicle's environment. For a given object, for example, the prediction component 520 may analyze the type/class of the...
US11521009B2
Automatically generating training data for a lidar using simulated vehicles in virtual space
Luminar, Llc
Miguel Alexander Peake, Benjamin Englard
2018-09-04
2019-09-04
2022-12-06
2022-12-06
https://patents.google.com/patent/US11521009B2/en
https://patentimages.sto…21206-D00000.png
null
12,107
US10677897B2-67
In one implementation, the controller 150 compares the detected sound to a sound signature stored in the memory of the controller 150 to identify the source of the sound. For example, the controller 150 may perform a Fourier analysis on the detected sound and compare the analyzed sound data to a stored sound signature....
US10677897B2
Combining lidar and camera data
Luminar Technologies, Inc.
Joseph G. LaChapelle, Jason M. Eichenholz
2017-04-14
2018-04-16
2020-06-09
2020-06-09
https://patents.google.com/patent/US10677897B2/en
https://patentimages.sto…00609-D00000.png
null
6,836
US9810775B1-47
In particular embodiments, an autonomous vehicle may be configured to drive with a driver present in the vehicle, or an autonomous vehicle may be configured to operate the vehicle with no driver present. As an example, an autonomous vehicle may include a driver's seat with associated controls (e.g., steering wheel, acc...
US9810775B1
Q-switched laser for LIDAR system
Luminar Technologies, Inc.
David Welford, Martin A. Jaspan, Jason M. Eichenholz, Scott R. Campbell, Lane A. Martin, Matthew D. Weed
2017-03-16
2017-03-16
2017-11-07
2017-11-07
https://patents.google.com/patent/US9810775B1/en
https://patentimages.sto…71107-D00000.png
null
14,210
US10812745B2-26
The point cloud is provided to a perception engine 118 which applies perception techniques to the point cloud. This may include object classification that allows the future behavior of the object to be predicted. As an example, a tree will remain stationary and the outer periphery of the tree will likely bend in a coll...
US10812745B2
Bit depth reduction of image pixels
Luminar Technologies, Inc.
Richmond Hicks
2019-03-14
2019-03-14
2020-10-20
2020-10-20
https://patents.google.com/patent/US10812745B2/en
https://patentimages.sto…01020-D00000.png
null
7,268
US10551501B1-162
In an example scenario, the relative speed between a target and lidar system is v=45 m/s (=100 mph). The time interval between successive pulses in pulse burst is τ=1 ns; the pulse repetition frequency is f=1/τ=1 GHz; and the relative distance moved between successive pulses: Δd=(45 m/s)×(1 ns)=45 nm. The change in tim...
US10551501B1
Dual-mode lidar system
Luminar Technologies, Inc.
Joseph G. LaChapelle
2018-08-09
2018-08-09
2020-02-04
2020-02-04
https://patents.google.com/patent/US10551501B1/en
https://patentimages.sto…00204-D00000.png
null
5,165
US10627495B2-148
In any event, the amplified signal may be compared to a threshold voltage VT. When the amplified signal rises above VT, the pulse-detection circuit 504 determines that a received optical signal from the APD 502 is indicative of a returned light pulse scattered by a remote target.
US10627495B2
Time varying gain in an optical detector operating in a lidar system
Luminar Technologies, Inc.
Stephen D. Gaalema, Austin K. Russell, Joseph G. LaChapelle, Scott R. Campbell, Jason M. Eichenholz, Tue Tran
2017-03-28
2018-11-09
2020-04-21
2020-04-21
https://patents.google.com/patent/US10627495B2/en
https://patentimages.sto…00421-D00000.png
null
6,011
US11774561B2-38
In particular embodiments, a lidar system 100 may be used to determine the distance to one or more downrange targets 130. By scanning the lidar system 100 across a field of regard, the system may be used to map the distance to a number of points within the field of regard. Each of these depth-mapped points may be refer...
US11774561B2
Amplifier input protection circuits
Luminar Technologies, Inc.
Stephen D. Gaalema, Robert D. Still
2019-02-08
2019-02-08
2023-10-03
2023-10-03
https://patents.google.com/patent/US11774561B2/en
https://patentimages.sto…31003-D00000.png
null
13,285
US10418776B2-115
In particular embodiments, a light source 110 of a lidar system 100 may include a solid-state laser, where the solid-state laser includes a PQSW laser 400 and an OPO 600. As an example, light source 110 may include an OPO 600 pumped by pulses of light from a Nd:YAG/Cr:YAG PQSW laser 400, a Nd:YAG/V:YAG PQSW laser 400, ...
US10418776B2
Solid-state laser for lidar system
Luminar Technologies, Inc.
David Welford, Martin A. Jaspan, Jason M. Eichenholz, Scott R. Campbell, Lane A. Martin, Matthew D. Weed
2017-03-16
2018-02-21
2019-09-17
2019-09-17
https://patents.google.com/patent/US10418776B2/en
https://patentimages.sto…90917-D00000.png
null
3,717
US11521009B2-141
Occupancy grid generator 600 may further include a label layer component 604 configured to generate a label layer 614. In various aspects, label layer 614 may be mapped to normal layer 612 (e.g., as depicted by occupancy grid 610), and encoded with a first channel set. While occupancy grid 610 is represented as a serie...
US11521009B2
Automatically generating training data for a lidar using simulated vehicles in virtual space
Luminar, Llc
Miguel Alexander Peake, Benjamin Englard
2018-09-04
2019-09-04
2022-12-06
2022-12-06
https://patents.google.com/patent/US11521009B2/en
https://patentimages.sto…21206-D00000.png
null
12,129
US10191155B2-31
The operating wavelength of a lidar system 100 may lie, for example, in the infrared, visible, or ultraviolet portions of the electromagnetic spectrum. The Sun also produces light in these wavelength ranges, and thus sunlight can act as background noise which can obscure signal light detected by the lidar system 100. T...
US10191155B2
Optical resolution in front of a vehicle
Luminar Technologies, Inc.
George C. Curatu
2017-03-29
2017-11-27
2019-01-29
2019-01-29
https://patents.google.com/patent/US10191155B2/en
https://patentimages.sto…90129-D00000.png
null
1,288
US10627516B2-51
Moreover, in some implementations, the housing 155 includes multiple lidar sensors, each including a respective scanner and a receiver. Depending on the particular implementation, each of the multiple sensors can include a separate light source or a common light source. The multiple sensors can be configured to cover n...
US10627516B2
Adjustable pulse characteristics for ground detection in lidar systems
Luminar Technologies, Inc.
Jason M. Eichenholz
2018-07-19
2018-07-19
2020-04-21
2020-04-21
https://patents.google.com/patent/US10627516B2/en
https://patentimages.sto…00421-D00000.png
null
6,196
US10345447B1-67
The segmentation module 40 is generally configured to identify distinct objects within the sensor data representing the sensed environment. Depending on the embodiment and/or scenario, the segmentation task may be performed separately for each of a number of different types of sensor data, or may be performed jointly o...
US10345447B1
Dynamic vision sensor to direct lidar scanning
Luminar Technologies, Inc.
Richmond Hicks
2018-06-27
2018-06-27
2019-07-09
2019-07-09
https://patents.google.com/patent/US10345447B1/en
https://patentimages.sto…90709-D00000.png
null
2,977
US10310058B1-146
The controller 130 may be electrically coupled or otherwise communicatively coupled to one or more of the light source 122A, the scanner 11, and the receiver 128A. The controller 130 may receive electrical trigger pulses or edges from the light source 122A, where each pulse or edge corresponds to the emission of an opt...
US10310058B1
Concurrent scan of multiple pixels in a lidar system equipped with a polygon mirror
Luminar Technologies, Inc.
Scott R. Campbell, Jason M. Eichenholz, Matthew D. Weed, Lane A. Martin
2017-11-22
2018-04-27
2019-06-04
2019-06-04
https://patents.google.com/patent/US10310058B1/en
https://patentimages.sto…90604-D00000.png
null
2,400
US9810786B1-224
In some embodiments, the lidar system further comprises an overlap mirror configured to overlap the input and output beams so that they are substantially coaxial, wherein the overlap mirror comprises: a hole, slot, or aperture which the output beam passes through; and a reflecting surface that reflects at least a porti...
US9810786B1
Optical parametric oscillator for lidar system
Luminar Technologies, Inc.
David Welford, Martin A. Jaspan, Jason M. Eichenholz, Scott R. Campbell, Lane A. Martin, Matthew D. Weed
2017-03-16
2017-03-16
2017-11-07
2017-11-07
https://patents.google.com/patent/US9810786B1/en
https://patentimages.sto…71107-D00000.png
null
14,625
US9810775B1-222
In some embodiments, the scanner comprises one or more mirrors, wherein each mirror is mechanically driven by a galvanometer scanner, a resonant scanner, a microelectromechanical systems (MEMS) device, or a voice coil motor.
US9810775B1
Q-switched laser for LIDAR system
Luminar Technologies, Inc.
David Welford, Martin A. Jaspan, Jason M. Eichenholz, Scott R. Campbell, Lane A. Martin, Matthew D. Weed
2017-03-16
2017-03-16
2017-11-07
2017-11-07
https://patents.google.com/patent/US9810775B1/en
https://patentimages.sto…71107-D00000.png
null
14,385
US10451716B2-141
The receiver 128A may have an active region or an avalanche-multiplication region that includes silicon, germanium, or InGaAs. The active region of receiver 128A may have any suitable size, such as for example, a diameter or width of approximately 50-500 μm. The receiver 128 may include circuitry that performs signal a...
US10451716B2
Monitoring rotation of a mirror in a lidar system
Luminar Technologies, Inc.
John Hughes, Nicholas Ventola, Sean P. Hughes
2017-11-22
2018-04-20
2019-10-22
2019-10-22
https://patents.google.com/patent/US10451716B2/en
https://patentimages.sto…91022-D00000.png
null
4,101
US11367990B2-154
In particular embodiments, lidar system 100 may include a processor (e.g., controller 150 in FIG. 1) configured to adjust the output powers of two or more pump laser diodes 430. As an example, in FIG. 13, the output power of each pump laser diode may be adjusted in response to a temperature change (e.g., a temperature ...
US11367990B2
Lidar system operating at 1200-1400 NM
Luminar, Llc
Jason M. Eichenholz, Laurance S. Lingvay, David Welford
2018-08-29
2019-08-29
2022-06-21
2022-06-21
https://patents.google.com/patent/US11367990B2/en
https://patentimages.sto…20621-D00000.png
null
9,985
US10241198B2-144
Various implementations have been described in connection with the accompanying drawings. However, it should be understood that the figures may not necessarily be drawn to scale. As an example, distances or angles depicted in the figures are illustrative and may not necessarily bear an exact relationship to actual dime...
US10241198B2
Lidar receiver calibration
Luminar Technologies, Inc.
Joseph G. LaChapelle, Rodger W. Cleye, Scott R. Campbell, Jason M. Eichenholz
2017-03-30
2017-11-30
2019-03-26
2019-03-26
https://patents.google.com/patent/US10241198B2/en
https://patentimages.sto…90326-D00000.png
null
1,746
US10451716B2-85
The planar mirror 14 may be configured so as to pivot over a range of allowable motion larger than a range corresponding to the vertical angular dimension of the field of regard, so as to define a maximum range of allowable motion larger than a range within which the planar mirror 14 pivots during a scan. A controller ...
US10451716B2
Monitoring rotation of a mirror in a lidar system
Luminar Technologies, Inc.
John Hughes, Nicholas Ventola, Sean P. Hughes
2017-11-22
2018-04-20
2019-10-22
2019-10-22
https://patents.google.com/patent/US10451716B2/en
https://patentimages.sto…91022-D00000.png
null
4,045
US10732281B2-8
The scanning system may also include an envelope detector coupled to the plurality of amplitude detectors that determines a magnitude or amplitude envelope of the scattered light pulse based on the time delays determined by the plurality of amplitude detectors. The envelope detector may determine the center of the scat...
US10732281B2
Lidar detector system having range walk compensation
Luminar Technologies, Inc.
Joseph G. LaChapelle
2017-03-28
2017-10-06
2020-08-04
2020-08-04
https://patents.google.com/patent/US10732281B2/en
https://patentimages.sto…00804-D00000.png
null
7,075
US11367990B2-12
FIG. 10 illustrates an example laser diode along with an example volume Bragg grating (VBG).
US11367990B2
Lidar system operating at 1200-1400 NM
Luminar, Llc
Jason M. Eichenholz, Laurance S. Lingvay, David Welford
2018-08-29
2019-08-29
2022-06-21
2022-06-21
https://patents.google.com/patent/US11367990B2/en
https://patentimages.sto…20621-D00000.png
null
9,843
US10481605B1-18
FIG. 10 is a flow diagram of an example method of managing operation of an autonomous vehicle moving toward a destination, in accordance with some embodiments;
US10481605B1
Autonomous vehicle technology for facilitating safe stopping according to separate paths
Luminar Technologies, Inc.
Tomi P. Maila, Vahid R. Ramezani, Benjamin Englard
2018-09-21
2018-09-21
2019-11-19
2019-11-19
https://patents.google.com/patent/US10481605B1/en
https://patentimages.sto…91119-D00000.png
null
4,250
US10591600B2-332
As used herein, the terms “based on” and “based at least in part on” may be used to describe or present one or more factors that affect a determination, and these terms may not exclude additional factors that may affect a determination. A determination may be based solely on those factors which are presented or may be ...
US10591600B2
Lidar system with distributed laser and multiple sensor heads
Luminar Technologies, Inc.
Alain Villeneuve, Jason M. Eichenholz
2015-11-30
2016-11-29
2020-03-17
2020-03-17
https://patents.google.com/patent/US10591600B2/en
https://patentimages.sto…00317-D00000.png
null
5,862
US10627521B2-155
In other embodiments, distinct neural networks are separately trained to handle different sensor parameter settings. FIG. 13 illustrates one such embodiment. In FIG. 13, a perception component 730 includes N sets 732 of neural networks (N being any suitable integer greater than one). Each set 732 of neural networks inc...
US10627521B2
Controlling vehicle sensors based on dynamic objects
Luminar Technologies, Inc.
Benjamin Englard, Eric C. Danziger, Austin K. Russell
2017-12-13
2018-10-31
2020-04-21
2020-04-21
https://patents.google.com/patent/US10627521B2/en
https://patentimages.sto…00421-D00000.png
null
6,499
US11927777B2-55
In one implementation, the insulating undercut area 612 has a diameter greater than a corresponding diameter (W1) of the high-index dielectric block 606. In this case, the cell 602 may be suspended above the insulating undercut area 612 via one or more mechanical tethers, such as in the manner shown within top-down cel...
US11927777B2
Plasma dispersion effect for metasurface tuning
Luminar Technologies, Inc.
Aditya Jain, Zoran Jandric, Dan Mohr, Kevin A. Gomez, Krishnan Subramanian
2019-12-14
2020-07-30
2024-03-12
2024-03-12
https://patents.google.com/patent/US11927777B2/en
https://patentimages.sto…40312-D00000.png
null
14,005
US11361449B2-120
Next, FIG. 8 illustrates an example method 800 for constructing tracks through a message passing graph, such as the graph 50 or 70 of the examples above, which also can be implemented in the multi-object tracker 14. At block 802, the multi-object tracker 14 receives a sequence of images generated by one or more senso...
US11361449B2
Neural network for object detection and tracking
Luminar, Llc
Vahid R. Ramezani, Akshay Rangesh, Benjamin Englard, Siddhesh S. Mhatre, Meseret R. Gebre, Pranav Maheshwari
2020-05-06
2020-09-04
2022-06-14
2022-06-14
https://patents.google.com/patent/US11361449B2/en
https://patentimages.sto…20614-D00000.png
null
9,811
US11467266B2-193
In particular embodiments, a phase shifter 429 may be implemented as a part of an integrated-optic 90-degree optical hybrid 428. For example a phase shifter 429 may be implemented as a portion of optical waveguide that only one part of the LO light 430 propagates through. The portion of optical waveguide may be tempera...
US11467266B2
Coherent pulsed lidar system with spectral signatures
Luminar, Llc
Joseph G. LaChapelle, Jason M. Eichenholz, Alex Michael Sincore
2019-08-20
2020-06-26
2022-10-11
2022-10-11
https://patents.google.com/patent/US11467266B2/en
https://patentimages.sto…21011-D00000.png
null
11,812
US10627521B2-148
Dynamic adjustment of sensor parameters settings (e.g., for parameters that define the area of focus for a sensor), according to any of the embodiments described herein, can greatly improve the ability of sensors to capture useful information about the environment (e.g., information needed to improve vehicle safety). H...
US10627521B2
Controlling vehicle sensors based on dynamic objects
Luminar Technologies, Inc.
Benjamin Englard, Eric C. Danziger, Austin K. Russell
2017-12-13
2018-10-31
2020-04-21
2020-04-21
https://patents.google.com/patent/US10627521B2/en
https://patentimages.sto…00421-D00000.png
null
6,492
US10324170B1-10
Because the polygon block rotates at a high speed, it produces a significant amount of acoustic noise. To reduce the acoustic noise, the polygon block in some implementations includes chamfered edges or corners. In other implementations, the housing partially enclosing the polygon mirror, and/or the bracket adjacent to...
US10324170B1
Multi-beam lidar system with polygon mirror
Luminar Technologies, Inc.
John P. Engberg, Jr., Christopher A. Engberg, John G. Hughes, Sean P. Hughes
2018-04-05
2018-05-08
2019-06-18
2019-06-18
https://patents.google.com/patent/US10324170B1/en
https://patentimages.sto…90618-D00000.png
null
2,507
US11002853B2-124
FIG. 10 illustrates an example InGaAs avalanche photodiode (APD) 400. Referring back to FIG. 1, the receiver 140 may include one or more APDs 400 configured to receive and detect light from input light such as the beam 135. More generally, the APD 400 can operate in any suitable receiver of input light. The APD 400 may...
US11002853B2
Ultrasonic vibrations on a window in a lidar system
Luminar, Llc
John E. McWhirter
2017-03-29
2017-09-26
2021-05-11
2021-05-11
https://patents.google.com/patent/US11002853B2/en
https://patentimages.sto…10511-D00000.png
null
8,250
US10983213B2-182
FIG. 21 illustrates an example detector array 700 with non-uniform spatial separation between adjacent array elements, which can be implemented in the lidar system of FIG. 1. The detector array 700 may be generally similar to the detector 600 of FIG. 12, for example. Similar to the detector array 700, detector sites ...
US10983213B2
Non-uniform separation of detector array elements in a lidar system
Luminar Holdco, Llc
Jason M. Eichenholz, Scott R. Campbell, Joseph G. LaChapelle
2017-03-29
2018-03-29
2021-04-20
2021-04-20
https://patents.google.com/patent/US10983213B2/en
https://patentimages.sto…10420-D00000.png
null
8,098
US11353555B2-41
In particular embodiments, one or more lidar systems 100 may be integrated into a vehicle as part of an autonomous-vehicle driving system. As an example, a lidar system 100 may provide information about the surrounding environment to a driving system of an autonomous vehicle. An autonomous-vehicle driving system may in...
US11353555B2
Detector quench circuit for lidar system comprising a discrete transistor to draw a quench current to enable a drop in a reverse bias voltage applied to an avalanche photodiode
Luminar, Llc
Stephen D. Gaalema
2017-11-01
2018-11-01
2022-06-07
2022-06-07
https://patents.google.com/patent/US11353555B2/en
https://patentimages.sto…20607-D00000.png
null
9,406
US10003168B1-210
The free-space input beam 914 in FIG. 22 may include pulses of light having one or more wavelengths between approximately 1400 nm and approximately 1600 nm, a pulse duration less than or equal to 100 nanoseconds, or a duty cycle less than or equal to 10%. In particular embodiments, free-space input beam 914 may be supp...
US10003168B1
Fiber laser with free-space components
Luminar Technologies, Inc.
Alain Villeneuve
2017-10-18
2017-11-30
2018-06-19
2018-06-19
https://patents.google.com/patent/US10003168B1/en
https://patentimages.sto…80619-D00000.png
null
210
US11841440B2-99
Each scan line 230 of a high-resolution scan pattern 200 may be oriented substantially parallel to a first scan axis, and the scan lines 230 may be distributed along a second scan axis that is substantially orthogonal to the first scan axis. The first scan axis (which may be referred to as the Θ1 scan axis) may be orie...
US11841440B2
Lidar system with high-resolution scan pattern
Luminar Technologies, Inc.
Istvan Peter Burbank, Matthew D. Weed, Jason Paul Wojack, Jason M. Eichenholz, Dmytro Trofymov
2020-05-13
2021-11-24
2023-12-12
2023-12-12
https://patents.google.com/patent/US11841440B2/en
https://patentimages.sto…31212-D00000.png
null
13,650
US10267918B2-47
According to some implementations, the lidar system 100 can include an eye-safe laser, or the lidar system 100 can be classified as an eye-safe laser system or laser product. An eye-safe laser, laser system, or laser product may refer to a system with an emission wavelength, average power, peak power, peak intensity, p...
US10267918B2
Lidar detector having a plurality of time to digital converters integrated onto a detector chip
Luminar Technologies, Inc.
Joseph G. LaChapelle, Jason M. Eichenholz, Stephen D. Gaalema, Austin K. Russell
2017-03-28
2018-06-25
2019-04-23
2019-04-23
https://patents.google.com/patent/US10267918B2/en
https://patentimages.sto…90423-D00000.png
null
1,950
US10481605B1-96
The network interface 616 is generally configured to convert data received from one or more devices or systems external to the autonomous vehicle to a format that is consistent with a protocol of the network 608 and is recognized by one or more of the processor(s) 602. In some embodiments, the network interface 616 inc...
US10481605B1
Autonomous vehicle technology for facilitating safe stopping according to separate paths
Luminar Technologies, Inc.
Tomi P. Maila, Vahid R. Ramezani, Benjamin Englard
2018-09-21
2018-09-21
2019-11-19
2019-11-19
https://patents.google.com/patent/US10481605B1/en
https://patentimages.sto…91119-D00000.png
null
4,328
US10094925B1-28
System Overview
US10094925B1
Multispectral lidar system
Luminar Technologies, Inc.
Joseph G. LaChapelle
2017-03-31
2018-04-02
2018-10-09
2018-10-09
https://patents.google.com/patent/US10094925B1/en
https://patentimages.sto…81009-D00000.png
null
651
US10295668B2-121
In FIG. 10, photons of the input light 410 may be absorbed primarily in the absorption layer 424, resulting in the generation of electron-hole pairs (which may be referred to as photo-generated carriers). For example, the absorption layer 424 may be configured to absorb photons corresponding to the operating wavelength...
US10295668B2
Reducing the number of false detections in a lidar system
Luminar Technologies, Inc.
Joseph G. LaChapelle, Jason M. Eichenholz, Laurance S. Lingvay
2017-03-30
2017-12-15
2019-05-21
2019-05-21
https://patents.google.com/patent/US10295668B2/en
https://patentimages.sto…90521-D00000.png
null
2,206
US10571570B1-9
FIG. 7 illustrates an example voltage signal corresponding to a received optical signal.
US10571570B1
Lidar system with range-ambiguity mitigation
Luminar Technologies, Inc.
David L. Paulsen, Christopher Gary Sentelle, Zachary Heylmun, Matthew Hansen
2019-03-07
2019-06-28
2020-02-25
2020-02-25
https://patents.google.com/patent/US10571570B1/en
https://patentimages.sto…00225-D00000.png
null
5,267
US10324170B1-118
Components of the first eye of the lidar system 10E thus generate outbound beams 250-1A and 250-1B, and components of the second eye generate outbound beams 250-2A and 250-2B. Stationary mirrors 208-1 and 208-2 fold these beams at 90 degrees to reduce the overall size of the lidar system 10E. Each outbound beam first s...
US10324170B1
Multi-beam lidar system with polygon mirror
Luminar Technologies, Inc.
John P. Engberg, Jr., Christopher A. Engberg, John G. Hughes, Sean P. Hughes
2018-04-05
2018-05-08
2019-06-18
2019-06-18
https://patents.google.com/patent/US10324170B1/en
https://patentimages.sto…90618-D00000.png
null
2,615
US10191155B2-139
At block 804, the emitted light pulses are directed, via the scanner 120, at various scan angles or orientations relative to a forward-facing direction of the vehicle. In this manner, the emitted light pulses are scanned across a FORH (e.g., from −60 degrees horizontal to +60 degrees horizontal with respect to the forw...
US10191155B2
Optical resolution in front of a vehicle
Luminar Technologies, Inc.
George C. Curatu
2017-03-29
2017-11-27
2019-01-29
2019-01-29
https://patents.google.com/patent/US10191155B2/en
https://patentimages.sto…90129-D00000.png
null
1,396
US11874401B2-53
Surface A or surface B may have a dichroic coating that is anti-reflecting at one or more operating wavelengths of one or more light sources 110 and high-reflecting at wavelengths away from the one or more operating wavelengths. For example, surface A may have an AR coating for an operating wavelength of the light sour...
US11874401B2
Adjusting receiver characteristics in view of weather conditions
Luminar Technologies, Inc.
Joseph G. LaChapelle, Matthew D. Weed, Scott R. Campbell, Jason M. Eichenholz, Austin K. Russell, Lane A. Martin
2017-03-28
2019-04-08
2024-01-16
2024-01-16
https://patents.google.com/patent/US11874401B2/en
https://patentimages.sto…40116-D00000.png
null
13,826
US11543652B2-64
With continued reference to FIG. 10 , the light source 76 may include a pulsed laser configured to produce or emit pulses of light with a certain pulse duration. In an example implementation, the pulse duration or pulse width of the pulsed laser is approximately 10 picoseconds (ps) to 20 nanoseconds (ns). In another im...
US11543652B2
Imaging system having coil on mirror actuator
Luminar, Llc
Sean P. Hughes
2020-04-20
2020-04-20
2023-01-03
2023-01-03
https://patents.google.com/patent/US11543652B2/en
https://patentimages.sto…30103-D00000.png
null
12,436
US10445599B1-0
The present description relates generally to vehicle navigation systems and in particular to object detection augmented with thermal sensor data.
US10445599B1
Sensor system augmented with thermal sensor object confirmation
Luminar Technologies, Inc.
Richmond Hicks
2018-06-13
2018-06-13
2019-10-15
2019-10-15
https://patents.google.com/patent/US10445599B1/en
https://patentimages.sto…91015-D00000.png
null
3,837
US10241198B2-68
A galvanometer scanner (which also may be referred to as a galvanometer actuator) may include a galvanometer-based scanning motor with a magnet and coil. When an electrical current is supplied to the coil, a rotational force is applied to the magnet, which causes a mirror attached to the galvanometer scanner to rotate....
US10241198B2
Lidar receiver calibration
Luminar Technologies, Inc.
Joseph G. LaChapelle, Rodger W. Cleye, Scott R. Campbell, Jason M. Eichenholz
2017-03-30
2017-11-30
2019-03-26
2019-03-26
https://patents.google.com/patent/US10241198B2/en
https://patentimages.sto…90326-D00000.png
null
1,670
US10310058B1-66
FIGS. 39A and 39B schematically illustrate adjusting the vertical field of regard FORV based on detected changes in the grade of the road, which can be implemented in the lidar sensor unit of FIG. 1;
US10310058B1
Concurrent scan of multiple pixels in a lidar system equipped with a polygon mirror
Luminar Technologies, Inc.
Scott R. Campbell, Jason M. Eichenholz, Matthew D. Weed, Lane A. Martin
2017-11-22
2018-04-27
2019-06-04
2019-06-04
https://patents.google.com/patent/US10310058B1/en
https://patentimages.sto…90604-D00000.png
null
2,320
US11415676B2-29
FIG. 34 illustrates an example computer system.
US11415676B2
Interlaced scan patterns for lidar system
Luminar, Llc
Eric C. Danziger
2017-10-09
2018-10-09
2022-08-16
2022-08-16
https://patents.google.com/patent/US11415676B2/en
https://patentimages.sto…20816-D00000.png
null
10,610
US9989629B1-52
With continued reference to FIG. 1, the light source 110 may include a pulsed laser configured to produce or emit pulses of light with a certain pulse duration. In an example implementation, the pulse duration or pulse width of the pulsed laser is approximately 10 picoseconds (ps) to 20 nanoseconds (ns). In another imp...
US9989629B1
Cross-talk mitigation using wavelength switching
Luminar Technologies, Inc.
Joseph G. LaChapelle
2017-03-30
2017-10-06
2018-06-05
2018-06-05
https://patents.google.com/patent/US9989629B1/en
https://patentimages.sto…80605-D00000.png
null
14,762
US10267918B2-49
As a more specific example, if the lidar system 100 measures the time of flight to be T=300 ns, then the lidar system 100 can determine the distance from the target 130 to the lidar system 100 to be approximately D=45.0 m. As another example, the lidar system 100 measures the time of flight to be T=1.33 μs and accordin...
US10267918B2
Lidar detector having a plurality of time to digital converters integrated onto a detector chip
Luminar Technologies, Inc.
Joseph G. LaChapelle, Jason M. Eichenholz, Stephen D. Gaalema, Austin K. Russell
2017-03-28
2018-06-25
2019-04-23
2019-04-23
https://patents.google.com/patent/US10267918B2/en
https://patentimages.sto…90423-D00000.png
null
1,952
US10503172B2-304
As used herein, the terms “based on” and “based at least in part on” may be used to describe or present one or more factors that affect a determination, and these terms may not exclude additional factors that may affect a determination. A determination may be based solely on those factors which are presented or may be ...
US10503172B2
Controlling an autonomous vehicle based on independent driving decisions
Luminar Technologies, Inc.
Benjamin Englard, Joseph Augenbraun
2017-10-18
2018-10-02
2019-12-10
2019-12-10
https://patents.google.com/patent/US10503172B2/en
https://patentimages.sto…91210-D00000.png
null
4,829
US10969488B2-138
In particular embodiments, one or more implementations of the subject matter described herein may be implemented as one or more computer programs (e.g., one or more modules of computer-program instructions encoded or stored on a computer-readable non-transitory storage medium). As an example, the steps of a method or a...
US10969488B2
Dynamically scanning a field of regard using a limited number of output beams
Luminar Holdco, Llc
Scott R. Campbell
2017-03-29
2018-03-29
2021-04-06
2021-04-06
https://patents.google.com/patent/US10969488B2/en
https://patentimages.sto…10406-D00000.png
null
7,696
US10345447B1-27
The motion vectors may be used to group points together as relating to the same object. As an example, a vehicle moving down the road in front of the lidar will be represented by many points. These points will all move toward and away from the lidar together as the corresponding vehicle will move toward and away from t...
US10345447B1
Dynamic vision sensor to direct lidar scanning
Luminar Technologies, Inc.
Richmond Hicks
2018-06-27
2018-06-27
2019-07-09
2019-07-09
https://patents.google.com/patent/US10345447B1/en
https://patentimages.sto…90709-D00000.png
null
2,937
US11415676B2-188
The term “or” as used herein is to be interpreted as an inclusive or meaning any one or any combination, unless expressly indicated otherwise or indicated otherwise by context. Therefore, herein, the expression “A or B” means “A, B, or both A and B.” As another example, herein, “A, B or C” means at least one of the fol...
US11415676B2
Interlaced scan patterns for lidar system
Luminar, Llc
Eric C. Danziger
2017-10-09
2018-10-09
2022-08-16
2022-08-16
https://patents.google.com/patent/US11415676B2/en
https://patentimages.sto…20816-D00000.png
null
10,769
US11415675B2-100
In particular embodiments, a dynamically adjusted pulse period τ for an adaptive-resolution scan may be capped so as not to exceed a maximum pulse period τmax. The maximum pulse period may correspond to the maximum range Dmax of the lidar system 100. As an example, the maximum pulse period may be expressed as τmax=2Dma...
US11415675B2
Lidar system with adjustable pulse period
Luminar, Llc
Austin K. Russell, Matthew D. Weed, Liam J. McGregor, Jason M. Eichenholz
2017-10-09
2018-10-09
2022-08-16
2022-08-16
https://patents.google.com/patent/US11415675B2/en
https://patentimages.sto…20816-D00000.png
null
10,558
US11360197B2-171
In embodiments, a calibration may be performed using sensor data from multiple lidar sensors having different projection planes, referred to in this disclosure as multi-view projections. The multi-view projections may include lidar data sets with top-down projections, front projections, and/or side projections. The lid...
US11360197B2
Calibration of sensor systems
Luminar, Llc
Amey Sutavani, Lekha Walajapet Mohan, Benjamin Englard
2020-01-07
2020-05-07
2022-06-14
2022-06-14
https://patents.google.com/patent/US11360197B2/en
https://patentimages.sto…20614-D00000.png
null
9,679
US11521009B2-39
In some implementations, a sensor simulator may generate simulated sensor data within the virtual environment. For example, one or more virtual sensors may be placed in various positions around one or more vehicles in the virtual environment for the purpose of generating the simulated sensor data. The sensor simulator ...
US11521009B2
Automatically generating training data for a lidar using simulated vehicles in virtual space
Luminar, Llc
Miguel Alexander Peake, Benjamin Englard
2018-09-04
2019-09-04
2022-12-06
2022-12-06
https://patents.google.com/patent/US11521009B2/en
https://patentimages.sto…21206-D00000.png
null
12,027
US11378666B2-11
FIG. 3 illustrates an example configuration in which the components of FIG. 1 scan a 360-degree field of regard through a window in a rotating housing;
US11378666B2
Sizing the field of view of a detector to improve operation of a lidar system
Luminar, Llc
Scott R. Campbell, Lane A. Martin, Matthew D. Weed, Jason M. Eichenholz
2017-03-29
2020-04-29
2022-07-05
2022-07-05
https://patents.google.com/patent/US11378666B2/en
https://patentimages.sto…20705-D00000.png
null
10,063
US10088559B1-51
As a more specific example, if the lidar system 100 measures the time of flight to be T=300 ns, then the lidar system 100 can determine the distance from the target 130 to the lidar system 100 to be approximately D=45.0 m. As another example, the lidar system 100 measures the time of flight to be T=1.33 μs and accordin...
US10088559B1
Controlling pulse timing to compensate for motor dynamics
Luminar Technologies, Inc.
Matthew D. Weed, Scott R. Campbell, Lane A. Martin, Jason M. Eichenholz, Austin K. Russell, Rodger W. Cleye, Melvin L. Stauffer
2017-03-29
2018-01-22
2018-10-02
2018-10-02
https://patents.google.com/patent/US10088559B1/en
https://patentimages.sto…81002-D00000.png
null
484
US10732281B2-42
According to some implementations, the lidar system 100 can include an eye-safe laser, or the lidar system 100 can be classified as an eye-safe laser system or laser product. An eye-safe laser, laser system, or laser product may refer to a system with an emission wavelength, average power, peak power, peak intensity, p...
US10732281B2
Lidar detector system having range walk compensation
Luminar Technologies, Inc.
Joseph G. LaChapelle
2017-03-28
2017-10-06
2020-08-04
2020-08-04
https://patents.google.com/patent/US10732281B2/en
https://patentimages.sto…00804-D00000.png
null
7,109
US10121813B2-91
In the example of FIG. 3, a rotating scan module 200 revolves around a central axis in one or both directions as indicated. An electric motor may drive the rotating scan module 200 around the central axis at a constant speed, for example. The rotating scan module 200 includes a scanner, a receiver, an overlap mirror, e...
US10121813B2
Optical detector having a bandpass filter in a lidar system
Luminar Technologies, Inc.
Jason M. Eichenholz, Scott R. Campbell, Joseph G. LaChapelle
2017-03-28
2018-03-01
2018-11-06
2018-11-06
https://patents.google.com/patent/US10121813B2/en
https://patentimages.sto…81106-D00000.png
null
898
US10241198B2-130
In another example implementation, a triggering event for calibration is based on an environmental condition around the lidar system 100. An environmental condition may include a weather condition (e.g., rain, fog, or snow) or an atmospheric condition (e.g., the presence in the air of smoke, dust, dirt, or a swarm of i...
US10241198B2
Lidar receiver calibration
Luminar Technologies, Inc.
Joseph G. LaChapelle, Rodger W. Cleye, Scott R. Campbell, Jason M. Eichenholz
2017-03-30
2017-11-30
2019-03-26
2019-03-26
https://patents.google.com/patent/US10241198B2/en
https://patentimages.sto…90326-D00000.png
null
1,732
US11802946B2-46
As a more specific example, if the lidar system 100 measures the time of flight to be T=300 ns, then the lidar system 100 can determine the distance from the target 130 to the lidar system 100 to be approximately D=45.0 m. As another example, the lidar system 100 measures the time of flight to be T=1.33 μs and accordin...
US11802946B2
Method for dynamically controlling laser power
Luminar Technologies, Inc.
Austin K. Russell, Jason M. Eichenholz, Laurance S. Lingvay
2017-03-28
2022-05-26
2023-10-31
2023-10-31
https://patents.google.com/patent/US11802946B2/en
https://patentimages.sto…31031-D00000.png
null
13,419
US10324170B1-116
FIG. 6A schematically illustrates another implementation of a lidar system in which several techniques discussed above are implemented, and some of the components of this system are illustrated in perspective views in FIGS. 7-18. To avoid clutter, a control sub-system of the lidar system of FIG. 6A is illustrated separ...
US10324170B1
Multi-beam lidar system with polygon mirror
Luminar Technologies, Inc.
John P. Engberg, Jr., Christopher A. Engberg, John G. Hughes, Sean P. Hughes
2018-04-05
2018-05-08
2019-06-18
2019-06-18
https://patents.google.com/patent/US10324170B1/en
https://patentimages.sto…90618-D00000.png
null
2,613
US11536803B2-97
In particular embodiments, one or more output electrical signals produced by one or more receivers 140 may be used to compare optical characteristics of two or more optical pulses detected by the receivers. For example, a receiver 140 may include two detectors 340 configured to detect two separate optical pulses (e.g.,...
US11536803B2
Lidar receiver with multiple detectors for range-ambiguity mitigation
Luminar, Llc
Stephen D. Gaalema, Mark A. Drummer, Stephen L. Mielke, Jason M. Eichenholz
2018-12-05
2019-08-29
2022-12-27
2022-12-27
https://patents.google.com/patent/US11536803B2/en
https://patentimages.sto…21227-D00000.png
null
12,285
US10663595B2-91
Generating Pixels within a Field of Regard
US10663595B2
Synchronized multiple sensor head system for a vehicle
Luminar Technologies, Inc.
George C. Curatu
2017-03-29
2017-11-27
2020-05-26
2020-05-26
https://patents.google.com/patent/US10663595B2/en
https://patentimages.sto…00526-D00000.png
null
6,698
US10491885B1-8
FIG. 3 is an isometric diagram of a scene model with occluded areas.
US10491885B1
Post-processing by lidar system guided by camera information
Luminar Technologies, Inc.
Richmond Hicks
2018-06-13
2018-06-13
2019-11-26
2019-11-26
https://patents.google.com/patent/US10491885B1/en
https://patentimages.sto…91126-D00000.png
null
4,417
End of preview.