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a protective material comprising a pre - polymer and a curative is applied to a finished surface . near equal amounts of the pre - polymer and curative are mixed , pre - heated , and applied to the finished surface by a portable spray mixer apparatus having a disposable mixing spray nozzle . for temporary protection , ...
1Performing Operations; Transporting
an injection assembly of low thermal mass which has a molded bearing plate which reduces the total amount of material required and thus the amount of heating or cooling necessary to raise or lower the temperature of the injection assembly . the assembly includes a molded bearing plate with structural ribs and a cast he...
1Performing Operations; Transporting
a fuel containment containing nuclear fuel rods of a fuel assembly which will be loaded into a reactor core of a fast breeder reactor is formed narrow in width at middle portion of vertical direction and long in length of vertical direction . and as being used in the reactor core , the middle portion of vertical direct...
6Physics
a flame retarded transparent resinous block copolymer comprising a transparent block copolymer containing about 50 to about 95 weight percent polymerized monovinyl aromatic compound and about 5 to about 50 weight percent polymerized conjugated diene and a flame retarding amount of a flame retardant selected from certai...
2Chemistry; Metallurgy
a system and method for the detection and three dimensional imaging of absorption and scattering properties of a medium such as human tissue is described . according to one embodiment of the invention , the system directs optical energy toward a turbid medium from at least one source and detects optical energy emerging...
6Physics
an auto - feed terminal wire clamping machine and its terminal structure . this invention can automatically sieve and randomly arrange the disordered terminal inner molds and feed them in an ordered direction to the feeding groove of such terminal wire clamper and automatically complete the terminal wire clamping opera...
8General tagging of new or cross-sectional technology
a mounting system for a fill - up and circulating tool on the rig hoisting system is disclosed . in the preferred embodiment , the tool is supported on one of the bails and it driven to rotate around the longitudinal axis of one of the bails . a combined vertical and rotational movement is imparted by the mounting syst...
4Fixed Constructions
devices systems and methods are disclosed for preventing or inhibiting secretions from entering the lumen of a functional assessment catheter for the lungs , or removing collected secretions . the catheter comprises an expandable element , a cover , or an internal component configured to prevent or inhibit secretion fl...
0Human Necessities
a method and apparatus for using liquid nitrogen to render crises safe , as in circumstances of hostage crises , entering methamphetamine labs , purging the accumulating toxic or flammable gases , ending the dispersal of substances from aerosols and capturing the material dispersed by condensing it and sealing it in co...
6Physics
a magnetic bubble domain package suitable for single or multiple chips in which the coil assembly for producing the rotating magnetic field necessary for bubble movement and logical operations to be performed on these chips comprises a pair of coils wound on a magnetic body in orthogonal relationship with respect to ea...
6Physics
a hysteresis brake including a casing having internal alternating first slots and first teeth , a pole having external alternating second slots and second teeth , a rotor including an annular portion located in spaced relationship between the casing and pole , and structure for permitting the pole and casing to be rota...
7Electricity
an implant that is implanted between adjacent spinous processes for the relief of pain associated with the spine . the device has a spacer to distract apart the adjacent spinous processes . to minimize trauma to the patient , the device has a tapered tissue expander to distract a previously created opening between the ...
0Human Necessities
the present invention is to prevent a snapping of wiring patterns formed on a flexible printed circuit board by bending the fpc board and to make the length of the pattern short to suppress the degradation of high frequency signals transmitted on the wiring pattern . the fpc board provides a via hole in the land region...
7Electricity
a heat resistant brazing alloy of a major amount of gold , a lesser amount of indium and a minor amount of tin . the alloy is particularly suited for use in bonding electrical components to chip carrying substrates which are to be reworked .
1Performing Operations; Transporting
an intercept system provides more effective and more efficient compliance with legal intercept warrants . the intercept system can provide any combination of operations that include near - real - time intercept capture of intercepted data in structured authenticated form , clear text intercept for communications where ...
7Electricity
a modulation method for optical communication comprises the step of generating an optical signal modulated between a plurality of different states of polarization and between different phase states . the plurality of states of polarization comprises first states of polarization . the first states of polarization define...
7Electricity
a quick registering thermometer utilizing a sensor that has electrical resistance varying with temperature located at the tip of a probe , the sensor having relatively small thermal mass and short thermal time constant . within seconds of contact with the patient , the circuitry communicating with the sensor determines...
6Physics
a system is disclosed for implementing a technique for idling a diesel engine . the system comprises an engine controller , an air temperature sensor , and an engine speed sensor . the air temperature sensor provides a first signal indicative of an internal temperature of an intake manifold in fluid communication with ...
5Mechanical Engineering; Lightning; Heating; Weapons; Blasting
many network protocols , including the internet , have addresses that are structured hierarchically . the hierarchy is expressed by an address prefix p that represents all addresses in the given hierarchical level that starts with prefix p . the hierarchy is not strict and can be overridden by more inclusive hierarchie...
7Electricity
an apparatus for breaking solid objects includes a box - shaped support open at the top and at the bottom , a substantially horizontal rotor mounted in the box and carrying at least one knife which turns with it while passing between backing knives , an active face of which is turned toward the rotor , and preferably h...
1Performing Operations; Transporting
a convertible window system having two window sashes , a weatherstripping , and a tilt pivot assembly . the window system can be readily switched between single - hung and double - hung configuration . the weatherstripping assembly , which is operatively connected to each of the two sashes , has a number of regions . e...
4Fixed Constructions
a boot adapted to the practice of skating and a method of manufacturing such boot , the boot including a shell base equipped with a rigid sole adapted to be attached on the frame of a skate and a heel reinforcement part , and a flexible liner that is positioned inside the shell base including of a padded upper part sur...
0Human Necessities
a control circuit for controlling the current through an inductive load powered by a unipolar power source . the current through the inductive load is controlled by three electronic switches and a subcircuit . the switches provide three different voltage levels across the inductive load . the closing of the first switc...
7Electricity
this invention relates to a deactivatable tag useable with an electronic article surveillance system and comprised of planar conductive material cut into a pair of inverse , first and second spiral conductors wrapped about each other and positioned for capacitive and inductive coupling . the invention also relates to m...
7Electricity
this invention is directed to a polymer thick film transparent conductive composition with haptic response capability that may be used in applications where thermoforming of the base substrate occurs , e . g ., as in capacitive switches . polycarbonate substrates are often used as the substrate and the polymer thick fi...
8General tagging of new or cross-sectional technology
the present invention is directed to a charge pump circuit . a multi - stage charge pump circuit with a particular structure for at least one of said stages is presented . the stage has two switches of which the second switch has a pair of conduction terminals connected between the first control terminal of the first s...
7Electricity
a compound of formula wherein r a , r b , x , and y are as defined herein , or a tautomer , stereoisomer , or salt thereof , particularly a physiologically acceptable salt thereof . in addition , pharmaceutical compositions comprising an effective amount of a compound of formula , methods for the treatment or prophylax...
2Chemistry; Metallurgy
a method and apparatus for a temporary corridor , to cover a walkway or the like , comprising easily transportable elements that can be quickly erected and disassembled on a selected site by one person .
4Fixed Constructions
a modified purifier process , includes supplying a first stream of a feed gas containing hydrogen and nitrogen in a mol ratio of about 2 : 1 , and also containing methane and argon , then cryogenically separating the feed gas into the following : f ) a second stream of synthesis gas containing hydrogen and nitrogen in ...
5Mechanical Engineering; Lightning; Heating; Weapons; Blasting
this disclosure describes 4 - monoalkylaminophenyl carbinols and with derivatives and salts thereof useful as hypolipidemic and anti - atherosclerotic agents .
2Chemistry; Metallurgy
a computer - implemented tracking method includes receiving a tracking request at a vehicle associated computing system . the method also includes authenticating the tracking request and determining a vehicle location via a gps in communication with the vacs . the method further includes transmitting the vehicle locati...
6Physics
a musical instrument having a housing . a well is formed in one surface of the housing and adapted to receive a card . a slide is mounted on the housing for movement across the surface of the card . the card containing printed indicia , each of which represents a note of a musical composition with the indicia arranged ...
6Physics
a method for a color tone correction is disclosed . the method generally includes the steps of generating a plurality of first intermediate components by scaling a plurality of first color components towards a first ideal color , wherein the first color components are for a first plurality of pixels in an input video s...
6Physics
an antenna steering mount includes two basic building blocks which are joined together to form any of the known steering - axis combinations . each block includes a cylinder cut at an angle to form a cylindrical wedge . the wedges are joined together by bearings at their interface , and motors are used to counter rotat...
7Electricity
a method for treatment of a cardiac dysfunction which comprises administering , to a subject in need of such treatment , a 15 - ketoprostaglandin compound in an amount effective in treatment of the cardiac dysfunction .
0Human Necessities
sign mounting and tensioning apparatus , method and system for beadles signs comprises fired and floating rails adapted to removal y receive and hold elongated locks having sign edges wrapped around non - rotating inserts , and tensioning means for tensioning signs locked in the rails , which tensioning means may be a ...
6Physics
to provide a cross - flow fan that is ideal for use in an excimer laser device or fluoride laser device that is capable of high - speed rotation , that has high mechanical strength even at high - speed rotation and that does not suffer deformation , a rotating shaft is mounted passing through the center of cross - flow...
7Electricity
a system and method to facilitate translation of communications between entities over a network are provided . the system receives a first language construct transmitted by a first entity that is directed to a second entity . the system identifies a construct identifier corresponding to the first language construct and...
7Electricity
a method of producing color filters comprising : a step for forming a photosensitive film by coating , on a rugged substrate , a mixture of a light - absorbing material which absorbs light and which can be removed with a solvent and a photosensitive material ; a step for irradiating light onto the photosensitive film t...
6Physics
a hydraulic oil well pumping arrangement employs a compensating type hydraulic pump , a directional valving arrangement and a proportioning valving arrangement . when the directional valve is energized , oil is directed to the rod end of the hydraulic cylinder . in one embodiment , a time delay halts the movement of th...
4Fixed Constructions
a housing structure that includes a transparent opening in one wall thereof , the opening being covered with a transparent material such as plexiglas ®. this opening allows a user to view the interior of the structure and ascertain the welfare of any animals within or check for pests without opening the birdhouse and r...
0Human Necessities
in moving conveyors or treadmills with variable inclination , there is provided an apparatus for controlling the conveyor speeds , which apparatus comprises a brake band with the aid of which the circumference of a friction disk fixed for rotation with a driven shaft can be acted upon . with the aid of the control appa...
0Human Necessities
an electrically programmable read only memory contains alternating metal bit lines and diffused bit lines . each diffused bit line is broken into a plurality of segments . each of the segments of the diffused bit line comprises a virtual source . a multiplicity of floating gate transistors are arranged in rows and colu...
7Electricity
a new differential technique for forming optical images using a synthetic aperture is introduced . this differential technique utilizes a single aperture to obtain unique phases that can be processed to produce a synthetic aperture image at points along a trajectory . this is accomplished by dividing the aperture into ...
6Physics
an apparatus for separating and detecting motile spermatozoa in a liquid sample , comprises : a separation vessel including an inlet port , an outlet port arranged to be opened , a separation medium into which motile spermatozoa in the sample can flow via the inlet port , and an actuator operable to open the outlet por...
6Physics
a stationery accessory system comprises a slidable tab including indicia of contents contained in or demarcated by the stationery accessory system and a sheet - like member including a rail ; one of the slidable tab and the rail having a channel defined along a longitudinal aspect thereof , the channel defined by a wal...
1Performing Operations; Transporting
an improvement to the melt transesterification reaction of diaryl carbonate with dihydroxy aryl compound is disclosed . the improvement entails the following steps introducing the resulting vapor stream at the mid - height of a first distillation column , and separating the vapor stream into a top product containing hi...
2Chemistry; Metallurgy
a device for vehicle occupant protection . a processor connectable to at least two sensors may execute a deployment algorithm , and , in response to a failure of at least one of the sensors , may alter a sequence of execution of the deployment algorithm according to a point in time of the failure .
1Performing Operations; Transporting
a fax conversion system for determining a measure of the number of pages transmitted by fax to or from a plurality of users , comprising : means for converting the transmitted pages into a format that can be output electronically rather than in hardcopy , means for counting the number of pages within an individual fax ...
7Electricity
a laser radar including an acoustic - optical laser scanner for deflecting a pulsed laser beam through a plurality of angles , means for diffracting the deflected laser beam from the acoustic - optical laser scanner into a plurality of laser beams and a linear detector array including a plurality of detector elements r...
6Physics
a method of transmitting packet data using a harq transmission scheme for an uplink enables a mobile station in soft handover to determine an ack or nack condition reliably and accurately . the method includes receiving , from the n base stations , ack / nack signals indicating transmission acknowledgement status for a...
7Electricity
the invention is several alternative means of differentiating head / gimbal assemblies that share a common arm . the alternative means are for at least one of the assemblies that shares a common arm using a different design ; varying the length from the mounting section to the slider ; changing the shape of the spring ...
6Physics
various embodiments of the present disclosure include methods and apparatus for tracking and reporting the environmental impact of food products . in an example embodiment , an apparatus comprises a hand - held device including a display and one or more input devices to sense product identification indicia associated w...
6Physics
a pre - folded automatic bottom box form made from a unitary blank of material . the form has a blank of corrugated material that is die cut and creased so as to form a series of panels and flaps arranged in three rows of four panels or flaps each and a fourth row with two panels , all arranged in four columns , a firs...
1Performing Operations; Transporting
a method comprising forming a sacrificial layer over less than the entire portion of a contact area on a substrate , the sacrificial layer having a thickness defining an edge over the contact area , forming a spacer layer over the spacer , the spacer layer conforming to the shape of the first sacrificial layer such tha...
6Physics
the present disclosure is directed to the use of fusogenic compounds such as polyethylene glycol in combination with antioxidants , calcium - containing and calcium - free solutions for treating damaged nerves , such as for reconnecting severed nerves .
0Human Necessities
a lightweight mobile kitchen has the capability to be transported to a remote food service site by a small prime mover and quickly be placed in operation by a minimal crew . the kitchen is self contained on a wheeled chassis and is moved as a closed wagon , then the sides and end are opened for cooking . accessory flex...
1Performing Operations; Transporting
a stacker for stacking sheets of material is provided which is mounted to the sewing bed of a sewing machine . the stacker has a support bed , a wheel assembly , and a grasping assembly . the wheel assembly advances the material over a rearward edge of the support bed to a position wherein a leading portion of the mate...
1Performing Operations; Transporting
the present invention relates to ceramic materials containing a homogeneous dispersion of metal particles , particularly sol - gel ceramic materials , a method of preparing the same , and processes for hydrogenating and oxidizing organic compounds using the same .
1Performing Operations; Transporting
a method for transmitting a web page to a client device is described . template information , sub - template information , and delta information are identified based on a request for information from the client device . the template information includes seldom changing elements of a web page . the sub - template inform...
7Electricity
a method of fabricating semiconductor chips includes the steps of optimizing a number of chips that geometrically fit on a wafer and maximizing chip yield for the wafer by considering chips located in a normally rejectable location and utilizing yield probability data for the chip in the normally rejectable locations t...
7Electricity
a reelable mechanically lined pipe having at least a liner and an outer pipe , the outer pipe having an outer diameter , dh , with the mlp formed from a plurality of pipe joints having conjoining girth welds , wherein the ends of each pipe joint terminate with clad overlay welds having a length in the range l min = 100...
5Mechanical Engineering; Lightning; Heating; Weapons; Blasting
apparatus for joining cohesive coated plastic sheets in a closed peripheral pattern with bulging of at least one sheet within the closed peripheral pattern to provide a sealed compartment containing only a gas such as air , or foam , under superatmospheric pressure . a method for forming a sealed bulging compartment co...
1Performing Operations; Transporting
a self - cascoding transconductance circuit has cascoding and current sink / source fets , serially connected with their gates tied together to receive an input voltage , wherein the cascoding fet has a threshold voltage having an absolute value at least 0 . 1 volts less than that of the current sink / source fet to en...
7Electricity
a method for producing a micromechanical device , e . g ., a micromechanical oscillating mirror device , is provided . it is provided , starting from the front side of an soi / eoi substrate , to penetrate to the desired depth of the silicon substrate layer in two successive , separate deep etching steps , and to use t...
1Performing Operations; Transporting
there is disclosed an adjustable pressure roller assembly for use in a paper feeding machine having a paper feed path and a feed roller for feeding various paper items , such as envelopes , single sheets , a plurality of layered sheets , etc . along the feed path . the pressure roller assembly has a back up pressure ro...
1Performing Operations; Transporting
an inventive cooling device for the air conditioning of an examination area of a medical examination device includes a temperature detection device for detecting a temperature in the examination area , an air conditioning device for producing air - conditioned air , an air discharge device arranged within the examinati...
0Human Necessities
a storage battery system includes : a secondary battery ; a holding member comprising a flow channel of a cooling medium for cooling the secondary battery , which holds the secondary battery ; a medium temperature measuring unit that measures temperatures t 1 and t 2 of the cooling medium at two locations in the flow c...
7Electricity
a proofing tool , including an anilox roll and an impression roll shiftable relative to each other from an engaged position and a disengaged position and a positive stop nip adjustment mechanism . operably connected to the anilox roll and the impression roll and being adjustable whereby when the anilox roll and the imp...
1Performing Operations; Transporting
a ventilation system for an avionics bay has two strut assemblies for stiffening the floor of the cockpit , each strut assembly being arranged symmetrically regarding to the central plane of the aircraft , and means of distribution of the blowing air in the cabinets of the bay from the strut assemblies . the extraction...
1Performing Operations; Transporting
a hierarchical testing method is implemented taking advantage of the nature of the most common defects in an lcd panel to achieve fast effective parametric testing of lcd panels and the like . at the first hierarchy of testing , the panel is logically divided into zones and each zone tested in isolation to identify zon...
6Physics
the present invention is a system and method by which a user can request specific media be sent to one of a number of different media display devices which the user owns or operates in real time . the display device , and thus the type of data stream supplied to the device , may be changed as often as desired by the us...
7Electricity
a generator rotor core carrying superconducting windings and having a shield over the superconducting windings to prevent external magnetic fields from impinging the windings . axial shield edges mate with corresponding features of the rotor core or with structures affixed to or supported by the core to support the shi...
7Electricity
disclosed are processes for the production of fluorinated olefins , preferably adapted to commercialization of cf 3 cf ═ ch 2 . three steps may be used in preferred embodiments in which a feedstock such as ccl 2 ═ cclch 2 cl is fluorinated to synthesize a compound such as cf 3 ccl ═ ch 2 . the cf 3 ccl ═ ch 2 is prefer...
2Chemistry; Metallurgy
there is provided an improved coiled tubing injector for injecting and withdrawing a length of flexible , cylindrical tubing into and from a well bore . the improved injector comprises first and second sets of gripper shoes , and drive mechanism for moving the sets of gripper shoes around first and second endless paths...
4Fixed Constructions
a confining pressure system includes a pressure cell containing a mechanical oscillator and a gas supply for carrying out resonance measurements of rock material under confining pressure at seismic frequencies . an appropriate gas is used to avoid significant damping of oscillations under confining pressures of various...
6Physics
one embodiment of the present invention is a method of simultaneously forming high - voltage and low - voltage devices on a single substrate , the method comprising : forming a thin oxide layer on the substrate , the thin oxide layer having a desired thickness for a gate oxide for the low - voltage device ; selectively...
8General tagging of new or cross-sectional technology
an air conditioner control device is applied to an air conditioner of an automotive vehicle equipped with an automatic transmission . the air conditioner control device controls the on - off switching operation of a compressor of the air conditioner . the control device turns off the operation of the compressor when a ...
1Performing Operations; Transporting
a passenger seat and a passenger service supply system is provided , comprising a seat with a seating and a backrest , and a passenger service module providing a passenger service such as conditioned air , a personal light , data network access or a similar service . a passenger service module supply line is connected ...
0Human Necessities
this invention relates generally to alpha , alpha - disubstituted benzylglycine derivatives of the formula : or a stereoisomeric form , a mixture of stereoisomeric forms , or a pharmaceutically acceptable salt thereof , which are useful as hiv protease inhibitors , pharmaceutical compositions and diagnostic kits includ...
2Chemistry; Metallurgy
an implant delivery catheter enables permanent modification of the implant length in the vicinity of the treatment site prior to radial expansion thereof . the implant is releasable carried between inner and outer tubular members of the delivery catheter which , upon repositioning relative to one another using an actua...
0Human Necessities
a valve / actuator torque overload protector is disclosed as operably associated relative to driving and driven members which are pre - set to transmit limited torque during relative rotary movement between the members . a plurality of spring - loaded tapered rollers are mounted on one of the members for driving engage...
5Mechanical Engineering; Lightning; Heating; Weapons; Blasting
a cutting structure for a rotary drill bit includes a cutting element 30 having a front layer 32 formed of polycrystalline diamond , bonded to a backing layer 33 formed of tungsten carbide . the cutting element is bonded to a carrier 33 which is formed of a number of detachable individual elements having means holding ...
4Fixed Constructions
an injector cap including a sleeve and a blocking means , wherein the sleeve is mounted slidably on a portion of an injection device , e . g ., on an ampoule support , is forced by a pre - tensioning means into a first position in which it covers a cannula carried by the injection device , and can be slid against the p...
0Human Necessities
a thrown or flying toy includes a bubble - producing element having plural openings and capable of producing compound bubbles which generally resemble the shape of a toy airplane or a cartoon - like character .
0Human Necessities
the jammer response circuitry of the present invention operates to control correlation circuitry in a gps receiver based on an occurrence of a transmission from a wireless transmitter , thereby avoiding performance degradation in th gps receiver due to interference caused by the transmission . in general , the jammer r...
6Physics
a computer - enabled system , method , and medium is provided to support analyzing intellectual property documents by linking and annotating patents , copyrights , trademarks , license agreements , and other types of intellectual property documents . the invention is suitable for use by intellectual property profession...
8General tagging of new or cross-sectional technology
a device for the recognition and readjustment of variations in the cylindrical yarn deposit at the insides of flanges of warp beams or sectional warp beams in warping machines has two sensor heads with three sensors at each flange and the corresponding switching and control devices .
3Textiles; Paper
a method of fabricating an integrated circuit having air - gaps between interconnect levels . in a preferred embodiment , an integrated circuit is partially fabricated . the partially fabricated integrated circuit includes a top layer , interconnect structures having a cladding layer , dielectric layers and an etch sto...
7Electricity
a process for synthesizing 4 - amino - 2 , 4 - dioxobutanoate involves reacting a dialkyl oxalate with an alkoxide in ethanol to form a reaction mixture , and afterward adding an alkyl cyano acetate to the reaction mixture and allowing a reaction to proceed under conditions suitable to form a first reaction product of ...
2Chemistry; Metallurgy
a mobile machine for screeding floor surfaces and the like comprises a planet disk , which is rotatably supported and driven by a drive motor , and which carries at least one screeding disk , operatively connected to the drive motor and defining one screeding plane . the operative connection comprises at least one belt...
5Mechanical Engineering; Lightning; Heating; Weapons; Blasting
a tipping apparatus for a truck body includes a piston and cylinder type thrustor connected at one end to the truck body and connected at its other end to a slide on the truck chassis . initial extension of the thrustor is converted , via a triangular push rod pivoted on the chassis and linked at one end to the slide t...
1Performing Operations; Transporting
a sensor able to detect shearing forces as well as simple pressure includes a substrate , a support secured to the substrate , and shear force sensing unit located at an exterior surface of the support facing away from the substrate . the support can be elastically deformed in proportion to the shearing force or pressu...
6Physics
stabilization of energy sensitive semiconductive devices by forming initial electrodes which are exposed through an overlying layer of semiconductor , dipping the exposed electrodes in solutions containing specified chemicals , such as metallic ion solutions of nickel , cobalt , chromium and related metals , followed b...
8General tagging of new or cross-sectional technology
the method and apparatus is for contact manipulation and retrieval in a communication system . the method has the steps of : receiving a message having contact information ; converting the contact information to contact data having a predetermined searchable format ; storing the contact data ; and searching the stored ...
7Electricity
a method and apparatus for multiplexing are disclosed . data is received over a plurality of logical channels . data from the plurality of logical channels is multiplexed into a medium access control protocol data unit based on a priority associated with each of the plurality of the logical channels . the mac pdu is tr...
7Electricity
a method for use in the fitting of a hearing aid comprises the steps of providing a sound recording of a user environment , feeding the sound recording to the hearing aid as a sound input signal , processing the sound input signal according to a scheme defined by preselected settings of a number of parameters so as to ...
7Electricity
a clumping animal litter is disclosed which includes non - swelling particles and a swelling agent coated on the non - swelling particles . in one embodiment , the non - swelling particles are manufactured by agglomerating clay fines .
8General tagging of new or cross-sectional technology
embodiments of the present invention provide a method , apparatus and system for the secure distribution of content such as audiovisual content in a way that prevents users from misusing the content and provides a mechanism for tracking pirated material back to the original location of misappropriation . a security dev...
7Electricity
a ringer assembly which is used in conjunction with a telephone system . the ringer assembly is especially useful for hearing impaired individuals although not limited thereto . the ringer assembly includes a unique housing for mounting the ringer apparatus so as to improve and enhance the acoustical operation thereof ...
7Electricity