Patents
Sitemap › G02 - Optics › G02F - Devices or arrangements, the optical operation of which is modified by changing the optical properties of the medium of the devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light, e.g. switching, gating, modulating or demodulating; Techniques or procedures for the operation thereof; Frequency-changing; Non-linear optics; Optical logic elements; Optical analogue/digital converters › G02F 3 - Optical logic elements; Optical bistable devices
Patents for G02F 3 - Optical logic elements; Optical bistable devices (1,678)
06/1997
06/11/1997EP0778486A2 Full optical type optical element
06/11/1997CN1151794A Holographic neurochip
06/03/1997US5635729 Thin metal film on a substrate able to form hydride and a transparent semiconductive state and reverse back to a reflective metallic state; variable beam splitters; glass; sun roofs; auto mirrors
05/1997
05/27/1997US5633944 Method and apparatus for automatic optical recognition of road signs
05/14/1997EP0772796A1 Switching device and use thereof
05/14/1997EP0772795A1 Switching device and the use thereof
04/1997
04/29/1997US5625477 Zero field multistable cholesteric liquid crystal displays
04/22/1997US5623366 Photonic signal processing amplification, and computing using special interference
04/22/1997US5623140 Nonbiased bistable optical device having a lower mirror having a plurality of reflective layers repeatedly formed on a substrate
04/16/1997EP0767924A2 Holographic neurochip
04/01/1997US5617249 Frequency-multiplexed logic, amplification and energy beam control
04/01/1997US5617232 Optical digital holding apparatus
03/1997
03/18/1997US5613140 Quantum dot-tunnel device which can be selectively excited by a first light emitting source and the information thus stored can be read with a second light emitting source
03/05/1997EP0760112A1 Optical switch
02/1997
02/04/1997US5600479 Method and apparatus for optical logic and switching functions
01/1997
01/28/1997US5598485 Apparatus for performing a joint fourier tranform utilizing apertures of low correlation
01/15/1997EP0753789A2 Light control substance and light control method using the same
01/08/1997CN1139764A Two-dimension non linearity optics ultra crystal lattice bistable device and making method
12/1996
12/31/1996US5590367 Processing module for programmable processing using computer generated holograms
12/24/1996CA2087888C Optical information processor
12/10/1996US5583636 Interferometric modulator for optical signal processing
12/10/1996US5583516 Wavelength-selectable optical signal processor
12/05/1996WO1996038759A1 Switching device and use thereof
12/05/1996WO1996038758A1 Switching device and the use thereof
12/04/1996EP0746070A1 Method and device to combine optical signals
12/03/1996US5581383 Arrangement for optical autocorrelation
11/1996
11/30/1996CA2177527A1 Process and device for combining light signals
11/21/1996DE19619736A1 Optical information processor
11/05/1996CA2064424C Gain switchable optical fiber amplifier
10/1996
10/30/1996EP0739559A1 Method for key distribution using quantum cryptography
10/29/1996US5570457 Visual information processing device
10/23/1996EP0598855B1 Optically controlled semiconductor laser
10/17/1996WO1996032688A1 Dual-phase amplification with phase logic
10/17/1996CA2218110A1 Dual-phase amplification with phase logic
09/1996
09/24/1996US5559323 Optical processing device for light radiations
09/19/1996WO1996028758A1 Optical switch
09/17/1996US5557699 Nlo waveguide "and" switch and method therefor
09/10/1996US5555126 Dual phase amplification with phase logic
09/10/1996US5555115 Optically addressed spatial light modulating system bias light source and method for driving the system
09/10/1996US5554434 Micro light valve and method for manufacturing the same
08/1996
08/27/1996CA2082939C Fabry-perot modulator
08/20/1996US5548772 Parallel processing system with programmable optical interconnects
08/20/1996US5547705 Nonlinear optical device and method of manufacturing same
08/13/1996US5546504 Information processing device capable optically writing synapse strength matrix
08/06/1996US5544192 Optically pumped bistable laser
07/1996
07/24/1996EP0722577A1 Multi-layer opto-electronic neural network
07/23/1996US5539668 Optical switching apparatus
07/23/1996US5539547 Liquid crystal device with plural polymer network films
07/16/1996US5537492 Picture compressing and restoring system and record pattern forming method for a spatial light modulator
07/16/1996US5537243 All-optical flip-flop
07/16/1996CA2043073C Fifo buffer
07/09/1996US5535029 Optical signal processor
07/09/1996US5535001 Symmetric Mach-Zehnder all-optical device
07/09/1996US5534704 Optical image correlator and system for performing parallel correlation
06/1996
06/26/1996EP0718669A2 All-optical switch
06/26/1996EP0717897A1 System and method for quantum cryptography
06/26/1996EP0717896A1 System and method for key distribution using quantum cryptography
06/26/1996EP0717895A1 Key distribution in a multiple access network using quantum cryptography
06/25/1996US5530263 Three dot computing elements
06/20/1996WO1996018967A1 Frequency-multiplexed logic, amplification, and energy beam control using interference
06/20/1996WO1996018966A1 Amplitude to phase conversion logic using interference
06/20/1996WO1996018965A1 Pattern-recognition computing and method for producing same
06/20/1996WO1996018964A1 Energy beam control, signal processing, amplification, and computer logic using interference
06/20/1996CA2207930A1 Energy beam control, signal processing, amplification, and computer logic using interference
06/20/1996CA2207925A1 Pattern-recognition computing and method for producing same
06/20/1996CA2207909A1 Amplitude to phase conversion logic using interference
06/20/1996CA2207908A1 Frequency-multiplexed logic, amplification, and energy beam control using interference
06/19/1996EP0717336A2 Optical ratio amplifier
06/11/1996US5526450 NLO waveguide "or" switch and method therefor
06/06/1996WO1996000913A3 Holographic neurochip
05/1996
05/28/1996US5521397 Optical device having quantum well structure and barrier layers
04/1996
04/23/1996US5511134 For recognizing an input image by a neural network system
03/1996
03/26/1996US5502775 Method and apparatus for adjusting read-out and processing conditions for radiation images
03/26/1996US5502585 Optical transistor
03/20/1996CN1119044A Optically encoded signals
03/05/1996US5497253 Multi-layer opto-electronic neural network
02/1996
02/21/1996EP0697737A1 Quantum dot computing elements
02/20/1996US5493438 Amplitude optical modulator using a two-electrode DFB laser structure
01/1996
01/30/1996US5488600 Differential optical switch for data multiplexing in an optical fiber loop of an optical information storage apparatus
01/30/1996US5488231 Metal/semiconductor junction Schottky diode optical device using a distortion grown layer
01/30/1996CA2046104C Method of measuring the nonlinear refractive index coefficient of a bistable resonant cavity optical component
01/23/1996US5487026 Multiplying device, linear algebraic processor, neuromorphic processor, and optical processor
01/11/1996WO1996000913A2 Holographic neurochip
01/09/1996US5483375 Optical ratio amplifier
12/1995
12/27/1995EP0689250A1 Semiconductor element with a triangular barrier diode structure
12/27/1995EP0689088A1 Method of manufacturing an array of all-optical vertical cavity quantum well components
12/12/1995US5475704 Optical processor with booster output
12/05/1995US5473712 Optically controlled optical switch
11/1995
11/14/1995US5466925 Amplitude to phase conversion logic
11/02/1995EP0527871B1 Optical signal regenerator and optical communications system incorporating same
10/1995
10/31/1995US5463485 Terahertz repetition rate optical computing systems, and communication systems and logic elements using cross-phase modulation based optical processors
10/25/1995EP0678823A1 Method for automatic recognition of traffic signs, and device for carrying out the method
10/24/1995US5461507 Polymer material of thermo-optical effect for a bistable optical device
10/24/1995US5461411 Process and architecture for digital micromirror printer
10/04/1995EP0675580A2 Optical interconnection apparatus
09/1995
09/27/1995EP0674206A2 Optical processing device for light radiations
09/20/1995EP0673092A2 Optically pumped bistable laser
09/19/1995US5451767 Optical modulator gate array including multi-quantum well photodetector
09/12/1995CA2005438C Non-linear interferometer
09/08/1995WO1995023997A1 Optical and gate
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