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Browse by Category: Main > Electrical & Energy
Class Information
Number: 250/214LS
Name: Radiant energy > Photocells; circuits and apparatus > Photocell controlled circuit > Special photocell or electron tube circuits > Amplifier type > Light amplifier type > Switching type
Description:


Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
5220643 Monolithic neural network element Jun. 15, 1993
5204521 GaAS-based optoelectronic neurons Apr. 20, 1993
5200605 Optically functional device with integral resistance layer Apr. 6, 1993
5198656 Dynamic optical logic using voltage pull up Mar. 30, 1993
5153758 Driving method and apparatus for a pnpn semiconductor device Oct. 6, 1992
5151589 Optical system using spin-dependent optical nonlinearity Sep. 29, 1992
5146078 Articles and systems comprising optically communicating logic elements including an electro-optical logic element Sep. 8, 1992
5130528 Opto-photo-electric switch Jul. 14, 1992
5095200 Optoelectronic memory, logic, and interconnection device including an optical bistable circuit Mar. 10, 1992
5093565 Apparatus for sequential optical systems where an independently controllable transmission gate is interposed between successive optoelectronic gates Mar. 3, 1992
5059788 Optical logic device with PNPN detection and laser diode output Oct. 22, 1991
5055668 Photo-sensor cell suitable for IC chip Oct. 8, 1991
5051573 Optical logic operation system Sep. 24, 1991
5045681 Optoelectric ripple carry adder Sep. 3, 1991
5045680 Integrated circuit optoelectronic toggle F/F Sep. 3, 1991
4999486 Optoelectric logic array Mar. 12, 1991
4992654 Optical logic device Feb. 12, 1991
4985621 Electrooptical switch with separate detector and modulator modules Jan. 15, 1991
4978842 Programmable optical logic device with complementary inputs Dec. 18, 1990
4967068 Single-ended optical logic arrangement Oct. 30, 1990
4963869 Parallel residue to mixed base converter Oct. 16, 1990
4959534 Differential optical logic arrangement Sep. 25, 1990
4952792 Devices employing internally strained asymmetric quantum wells Aug. 28, 1990
4952791 Monolithic apparatus comprising optically interconnected quantum well devices Aug. 28, 1990
4952028 Method for driving an optoelectronic switching device Aug. 28, 1990
4950882 Opto-electrical exclusive or logic gates Aug. 21, 1990
4914286 Method and apparatus for increasing the processing capacity of optical digital processing systems having optically bistable devices Apr. 3, 1990
4906833 Electron beam information exchange apparatus with converting light signals Mar. 6, 1990
4904858 Programmable optical logic devices operable by measuring the ratio of optical data signal power to optical reference threshold power Feb. 27, 1990
4904859 Self electrooptic effect device employing asymmetric quantum wells Feb. 27, 1990
4877952 Faser cavity optical memory with optical storage and readout Oct. 31, 1989
4870295 Photoconductive circuit element pulse generator Sep. 26, 1989
4800262 Tri-state optical device with quantum well absorption Jan. 24, 1989
4782223 Optically bistable photodiode device with voltage control circuitry to change photodiode light absorption Nov. 1, 1988
4771169 Optical digital processing device Sep. 13, 1988
4760249 Logic array having multiple optical logic inputs Jul. 26, 1988
4755725 High intensity light shut-down circuit for night vision goggle Jul. 5, 1988
4754132 Symmetric optical device with quantum well absorption Jun. 28, 1988
4751378 Optical device with quantum well absorption Jun. 14, 1988
4739520 Optical switching system Apr. 19, 1988
4731528 Failsafe logic circuit wherein the phototransistor of a preceding optocoupler is connected in series with the photodiode of a succeeding optocoupler Mar. 15, 1988
4714826 Apparatus and method for testing outputs of logic circuits by modulating optical sequals Dec. 22, 1987
4689793 Optical logic and memory apparatus Aug. 25, 1987
4646079 Self-scanning electroluminescent display Feb. 24, 1987
4588896 Bistable circuits having a monolithic device formed with light emitting diodes and detectors May. 13, 1986
4577189 Circuits with electro-optical feedback for display and a digitizer application Mar. 18, 1986
4559643 Opto-electronic image processor Dec. 17, 1985
4553143 Low cost panel display addressing structure Nov. 12, 1985
4521681 Optical function semiconductor device Jun. 4, 1985
4509045 Low cost addressing system for AC plasma panels Apr. 2, 1985

1 2 3 4


 
 
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