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)
07/1992
07/15/1992EP0494671A2 Spatial light modulator and neural network
07/15/1992EP0494666A2 Spatial light modulator
07/15/1992EP0494452A2 A spatial light modulator and a neural network circuit
07/14/1992US5130528 Opto-photo-electric switch
07/07/1992US5129040 Neural network system for image processing
07/07/1992US5128800 Gain switchable optical fiber amplifier
06/1992
06/30/1992US5126553 Bistable optically switchable resonant-tunneling device and its use in signal processing
06/25/1992DE4041682A1 Electrooptical LCD display, using thermotropic cell - works with 2 AC voltages with frequencies above and below crossover frequency to provide bistable states
06/16/1992CA1303708C Fiber optic modulator
06/09/1992US5121249 Fiber optic computational network utilizing optical and/or gate employing non-linear organic polymers and photovoltaic/piezoelectric optical interfaces
05/1992
05/28/1992WO1992009916A1 Optical switch
05/26/1992US5117477 Optical functioning element using a transparent substrate with matching lattice constant
05/26/1992US5117471 Bistable optical switching arrangement
05/14/1992WO1992008161A1 Light actuated optical logic device
05/13/1992EP0485285A1 Electrooptic bistable device, display screen including the same and method of driving therefor
05/13/1992EP0484923A2 Semiconductor wavelength conversion device
05/12/1992US5113485 Optical neural network system
05/12/1992US5113473 Nonlinear, optical thin-films and manufacturing method thereof
05/05/1992US5111153 Non-linear optical amplification
05/05/1992US5111034 Apparatus utilizing light emitting semiconductor device
04/1992
04/28/1992US5109446 Opto-electronic correlator including a spiral light waveguide
04/28/1992US5109358 Optical flip-flop circuit
04/28/1992US5109156 Light actuated optical logic device
04/28/1992CA1299717C Tri-state optical device
04/22/1992EP0481681A1 Light emitting device
04/21/1992US5107351 Image enhanced optical correlator system
04/07/1992US5103494 Optoelectronic arrangement
04/07/1992CA1298638C Optical signal processing device
03/1992
03/31/1992US5101456 Predistortion apparatus for optical logic device
03/31/1992CA1298388C Symmetric optical device
03/31/1992CA1298113C Optical device
03/31/1992CA1298112C Optical device
03/24/1992US5099489 Apparatus comprising a quantum well device
03/24/1992CA1297949C Method and apparatus for the operation of a distributed feedback laser
03/18/1992EP0475659A2 Optical pattern recognition apparatus
03/17/1992US5097357 Optical switching system and method
03/17/1992US5097306 Method of tristable selective light detection with pin diode
03/11/1992EP0474018A2 Vertical cavity type vertical to surface transmission electrophotonic device
03/04/1992EP0473121A2 Logarithmic polar coordinate transforming method, vision recognizing method, and optical information processing apparatus
03/04/1992EP0260281B1 Optical data processing systems and methods for matrix inversion, multiplication, and addition
03/03/1992US5093802 Optical computing method using interference fringe component regions
03/03/1992US5093565 Apparatus for sequential optical systems where an independently controllable transmission gate is interposed between successive optoelectronic gates
02/1992
02/25/1992US5091980 Optical quantum interference device/optical computer and method of modulating light using same
02/11/1992CA1295498C Optical shuffle arrangement
02/05/1992EP0469148A1 Image enhanced optical correlator system
02/04/1992CA1295156C Optical device
01/1992
01/29/1992EP0468669A1 Apparatus for sequential optical systems
01/28/1992CA1294804C Optical switch
01/15/1992EP0466117A2 Visual information processing device
01/15/1992EP0466116A2 Information processing device capable of optically writing synapse strength matrix
01/14/1992US5080466 Interferometer
01/14/1992US5080464 Optical neural network apparatus using primary processing
01/08/1992EP0464898A2 An optical data processing device
01/08/1992EP0464798A2 A method of measuring the nonlinear refractive index cofficient of a bistable resonant cavity optical component
01/08/1992EP0239635B1 Nonlinear and bistable optical device
01/07/1992US5078464 Optical logic device
12/1991
12/31/1991US5076672 All-optical switch apparatus using a nonlinear etalon
12/31/1991CA1293795C Optical device
12/31/1991CA1293794C Apparatus comprising a monolithic nonlinear fabry-perot etalon, and method for producing same
12/11/1991EP0460766A2 Polymer material of thermo-optical effect for a bistable optical device
12/11/1991EP0460625A2 Optical information processing apparatus and method using computer generated hologram
12/11/1991CN1015073B Mixed photoelectric integrated semi-conductor optical bistable device
12/10/1991US5071231 Bidirectional spatial light modulator for neural network computers
12/06/1991CA2043830A1 Polymer material of thermo-optical effect for a bistable optical device
11/1991
11/28/1991WO1991018435A1 Optical logic circuit using ring lasers
11/27/1991EP0458704A1 FIFO buffer
11/26/1991WO1991019219A1 Fabry-perot modulator
11/26/1991US5068867 Coupled quantum well strained superlattice structure and optically bistable semiconductor laser incorporating the same
11/26/1991US5068815 Optical full adder
11/21/1991EP0456731A1 Optical computers and optical interconnections
11/13/1991EP0456422A2 Sagnac optical logic gate
11/13/1991EP0456130A2 Apparatus and method for optically effecting image operations
11/12/1991US5065044 Method for driving a pnpn semiconductor device
11/09/1991WO1991017474A1 Optical signal regenerator and optical communications system incorporating same
11/09/1991CA2082389A1 Optical signal regenerator and optical communications system incorporating same
10/1991
10/22/1991US5059788 Optical logic device with PNPN detection and laser diode output
10/22/1991US5058986 Non-linear inferferometer
10/15/1991US5056897 Spatial light modulating element and neural network circuit
09/1991
09/19/1991WO1991014202A1 All optical image processing and pattern recognition apparatus using stimulated photon echoes
09/17/1991CA1289201C Optical inverter and logic devices using same with the buffer limited electrical interface
09/03/1991US5044726 Device for the correlation between optical beams
08/1991
08/28/1991EP0443332A1 Optical gate array
08/23/1991CA2010815A1 Interferometer
08/22/1991WO1991012552A1 Image enhanced optical correlator system
08/06/1991US5037173 Optical interconnection network
07/1991
07/09/1991US5031190 Optical logic using semiconductor ring lasers
07/02/1991US5028108 Bipolar transistor including optical waveguide
06/1991
06/19/1991EP0432544A2 Optronic correlator
06/12/1991EP0431973A2 Nonlinear optical device and method of manufacturing
06/11/1991US5023878 Apparatus comprising a quantum well device and method of operating the apparatus
06/11/1991US5023673 Semiconductor mesa structured optical processing devices, with added side-surface recombination centers to improve the speed of operation
06/11/1991US5022741 Optical bistable devices based on bound exciton nonlinearity
05/1991
05/30/1991WO1991007714A1 Neural networks
05/29/1991EP0428913A2 Coupled quantum well strained superlattice structure and optically bistable semiconductor laser incorporating the same
05/28/1991US5020050 Cascadable optical combinatorial logic gates
05/21/1991WO1991007688A1 Semi-conductor structures
05/21/1991CA2068991A1 Semi-conductor structures
05/15/1991EP0215822B1 Programmable multistage lensless optical data processing system
05/14/1991CA1284188C Parallel optical arithmetic/logic unit
05/07/1991US5014280 Optical bistable laser diode and a method for controlling the same
1 ... 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17