Patents for G02F 3 - Optical logic elements; Optical bistable devices (1,678)
11/1993
11/24/1993EP0571222A1 Liquid crystal device and electronic apparatus using the same
11/23/1993US5265111 Positive feedback device for processing an optical signal
11/10/1993EP0569029A2 Liquid crystal display device having two metastable states and its driving method
11/09/1993US5260586 Optical exclusive-or element
11/09/1993CA1324206C Non-linear optical amplification
10/1993
10/27/1993EP0566885A1 pnpn Semiconductor element and driver circuit therefor
10/05/1993US5251048 Method and apparatus for electronic switching of a reflective color display
09/1993
09/28/1993US5249075 Quantum well wave modulator and optical detector
09/21/1993US5247593 Programmable optical crossbar switch
09/15/1993EP0559811A1 Optical switch
09/01/1993EP0557709A1 Optical information processor
08/1993
08/24/1993US5239595 Optical method for identifying or recognizing a pattern to be identified
08/24/1993US5239173 Binary data processor using diffraction and interference of waves
08/24/1993US5238867 Controlling formation of multiple pairs of semiconductor layers: supplying first organo-metallic compound and reaction gas continuously while supplying second compound in discrete mode
08/24/1993CA1321484C Method of characterizing bistable semiconductor lasers
08/03/1993US5233184 Matrix addressed S-SEED optical modulator array
07/1993
07/20/1993US5229627 Vertical cavity type vertical to surface transmission electrophotonic device
07/20/1993US5229623 Electric circuit using multiple differential negative resistance elements, semiconductor device and neuro chip using the same
07/20/1993US5229622 Integrated semiconductor optoelectronic switch
07/13/1993US5227902 Spatial light modulator with a photoconductor on each side of a light modulation layer
07/06/1993US5225692 Non-linear quantum semiconductor optical device having a signal-to-noise ratio
07/06/1993CA2006680C Self electrooptic effect device employing asymmetric quantum wells
06/1993
06/30/1993EP0549465A1 Semi-conductor laser with optical command input
06/29/1993US5223966 Method and apparatus for obtaining modulated light indicative of an image operationally formed by projecting an inputted image on the flat plate of an optical induction reflective index crystal
06/29/1993US5223723 Light emitting device
06/23/1993EP0547602A2 Programmable optical crossbar switch
06/22/1993CA1319431C Optical device
06/19/1993CA2084950A1 Compact programmable processing module
06/19/1993CA2084949A1 Programmable optical crossbar switch
06/19/1993CA2084947A1 Compact programmable parallel processing system
06/09/1993EP0545595A1 Non-linear optical device
06/09/1993EP0545544A2 Optical linear feedback shift register
06/09/1993EP0545269A1 Method of operating a semi-conductor laser as an optoelectronic bistable element
06/02/1993EP0256033B1 Optical analog data processing systems for handling bipolar and complex data
06/01/1993US5216541 Optical associative identifier with real time joint transform correlator
05/1993
05/25/1993CA2012965C Device for the correlation of optical beams
05/19/1993EP0360833B1 Symmetrical optical device
05/18/1993CA1317801C Optical correlator
05/12/1993EP0541303A2 Optical circulating shift register
05/11/1993US5210428 Semiconductor device having shallow quantum well region
05/05/1993EP0540233A1 Planar FET-SEED integrated circuits
05/04/1993US5208705 Optical linear feedback shift register
05/04/1993US5208696 Spatial light modulating device with CRT input image
04/1993
04/21/1993EP0538122A1 Logical function generator using frequency conversion in a distributed feedback diode laser
04/20/1993US5204871 Bistable optical laser based on a heterostructure pnpn thyristor
04/20/1993US5204770 All optical image processing and pattern recognition apparatus using stimulated photon echoes
04/13/1993US5202897 Fabry-perot modulator
04/06/1993CA1315851C Optical communication by injection-locking to a signal which modulates an optical carrier
03/1993
03/30/1993US5198656 Dynamic optical logic using voltage pull up
03/17/1993EP0532204A1 Article comprising an electro-optic quantum well device
03/16/1993CA1314615C Coupled quantum wells electromagnetic wave modulator and its application to an electromagnetic wave detector
02/1993
02/24/1993EP0527871A1 Optical signal regenerator and optical communications system incorporating same.
02/18/1993WO1993003406A1 Sagnac loop gates
02/09/1993CA1313467C Optical nonlinear cross-coupled interferometer
02/03/1993EP0525424A2 Liquid crystal spatial light modulator
01/1993
01/26/1993US5182666 Organic optical logic device
01/05/1993US5176998 Cell surface antigen detection method
12/1992
12/29/1992US5175775 Optical pattern recognition using multiple reference images
12/23/1992EP0519648A2 Gain switchable optical fiber amplifier
12/09/1992EP0517441A1 Dynamic optical logic
12/03/1992DE4117868A1 Semiconductor laser driving method optical for communications wavelength converter - being controlled by supplied light signal of different wavelength to initiate light emission
12/03/1992DE4117865A1 Optical device for optical communications switch, multiplexer - has currents in laser cavity zones ensuring coherent light emission
12/02/1992EP0515836A1 Data processing system comprising a neural network
12/01/1992WO1992022111A1 Optically controlled semiconductor laser
12/01/1992US5168382 Optically addressed liquid crystal light valve and optical logic device using the same
11/1992
11/24/1992US5167007 Multilayered optical neural network system
11/24/1992US5166946 Apparatus for and method of controlling the emission of a laser
11/24/1992US5166744 Method of measuring the nonlinear refractive index coefficient of a bistable resonant cavity optical component
11/17/1992US5164913 General purpose optical computer
11/04/1992EP0511668A2 Image recognition device and image recognition method
11/03/1992US5160838 Binary data processor using diffraction and interference of waves
11/03/1992CA1309766C Polarisation switching in active devices
10/1992
10/28/1992EP0511057A1 Wave modulator and optical detector with quantum wells
10/28/1992EP0510884A2 Planar self-electro-optical effect device
10/20/1992US5157675 Apparatus utilizing light emitting semiconductor device
10/20/1992US5157537 Distributed resonant cavity light beam modulator
10/14/1992CN2118998U Optical fibre coding device
10/13/1992US5155779 Optical circulating shift register
10/13/1992US5155737 Semiconductor wavelength conversion device
10/13/1992US5155619 Optical AND/OR gate employing non-linear organic polymers and photovoltaic/piezoelectric optical interfaces
10/13/1992CA1308799C Apparatus comprising an optical or opto-electronic device
09/1992
09/30/1992EP0506049A2 Non-linear semiconductor optical device having an improved signal-to-noise ratio
09/29/1992US5151589 Optical system using spin-dependent optical nonlinearity
09/23/1992EP0505235A1 Wide-band intercorrelation method and apparatus
09/22/1992US5150248 Optical communication system
09/22/1992US5150245 Multiprocessor computer with optical data switch
09/22/1992US5150242 Integrated optical computing elements for processing and encryption functions employing non-linear organic polymers having photovoltaic and piezoelectric interfaces
09/22/1992US5150229 Optical correlator
09/22/1992US5150183 Switch matrix including optically non-linear elements
09/16/1992EP0502943A1 Neural networks
09/09/1992EP0502044A1 Semi-conductor structures
09/09/1992EP0229177B1 Optical shuffle arrangement
09/09/1992CN1064357A 光晶体管 Phototransistor
09/02/1992EP0501904A2 Opto-photo-electric switch
09/02/1992EP0501872A1 Positive feedback device for optical signal processing
09/02/1992EP0501871A1 Semiconductor laser with saturable absorber
09/01/1992US5144397 Light responsive semiconductor device
09/01/1992US5144375 Sagnac optical logic gate
08/1992
08/05/1992EP0497268A2 Organic optical logic device
08/04/1992US5136602 Optical semiconductor device
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