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)
05/1991
05/07/1991US5014096 Optoelectronic integrated circuit with optical gate device and phototransistor
04/1991
04/30/1991US5012474 Polarization switching in active devices
04/24/1991EP0423434A1 Multiprocessor computer with optical data switch
04/24/1991EP0207154B1 Optical logic arrangement
04/23/1991US5010505 Optical cross bar arithmetic/logic unit
04/16/1991US5007735 Method of characterizing bistable semiconductor lasers
04/09/1991US5007061 Bistable semiconductor laser diode device
04/09/1991US5005933 Non-linear optical device
04/03/1991EP0420749A2 Optical semiconductor device
03/1991
03/27/1991EP0215008B1 Programmable methods of performing complex optical computations using data processing system
03/26/1991US5002369 Nonlinear optical element having electrodes on two side surfaces of nonlinear medium through insulating layers
03/20/1991EP0417989A2 Quantum well device and apparatus comprising the device
03/19/1991US5001523 Optical transistor
03/19/1991US5001522 Optical semiconductor device
03/13/1991EP0416858A2 A light detection method
03/12/1991US4999688 Optical logic element with short switching time
03/12/1991CA1281220C Nonlinear and bistable optical device
03/06/1991EP0415617A2 Differential optical logic arrangement
03/06/1991EP0415616A2 Single-ended optical logic arrangement
03/05/1991CA1281138C Optical spatial logic arrangement
02/1991
02/27/1991EP0413916A2 Electro-optical full adder
02/20/1991EP0413320A2 Semiconductor laser amplifier with controlled mirrors for optical signals
02/20/1991EP0225923B1 Semiconductor device
02/19/1991US4994663 Light intensity correlating apparatus
02/12/1991US4992654 Bistable
02/05/1991US4990287 (Naphtho or benzo)pyran compound
01/1991
01/23/1991EP0409660A2 Improvements relating to optical systems
01/23/1991EP0409478A1 semiconductor mesa structured optical processing devices, with added side-surface recombination centers to improve the speed of operation
01/23/1991EP0409074A2 Optical-electronic device
01/15/1991US4985621 Electrooptical switch with separate detector and modulator modules
01/15/1991CA1279100C Optically controlled selector
01/02/1991EP0405815A1 Spatial light modulators
01/02/1991EP0405531A2 A visual information processing device
01/02/1991CN1048284A Photoelectric mixed integrated semiconductor optical bistable device
12/1990
12/27/1990EP0224542B1 Optical logic device and assembly
12/19/1990EP0290595A4 Cell surface antigen detection method
12/18/1990US4978842 Programmable optical logic device with complementary inputs
12/12/1990EP0401925A1 Integrated semiconductor device including an electrooptical switch
12/11/1990CA1277755C Optically bistable device
11/1990
11/27/1990US4974202 Optical associative memory employing an autocorrelation matrix
11/27/1990US4973122 Optical nonlinear cross-coupled interferometer and method utilizing same
11/07/1990EP0190223B1 Phase insensitive optical logic gate device
11/06/1990US4968107 Real time image inversion using four-wave mixing
10/1990
10/31/1990EP0395064A2 Amplifying optical commutator
10/31/1990EP0395063A2 Bistable optical trigger
10/31/1990EP0395062A2 Non linear optical element
10/30/1990US4967068 Single-ended optical logic arrangement
10/24/1990EP0393925A2 Method and apparatus for increasing the processing capacity of optical digital processing systems having optically bistable devices
10/16/1990US4962987 Optical device producing an intensity dependent phase shift
10/10/1990EP0390878A1 Optically anisotropic photochromic materials and applications
10/09/1990US4962502 Optical signal processing device
09/1990
09/26/1990EP0388945A2 Method of correlating optical beams
09/25/1990US4959534 Differential optical logic arrangement
09/18/1990US4957337 Optical quantum interference device and method of modulating light using same
09/05/1990EP0385803A2 An optical element device
09/05/1990EP0385638A2 Semiconductor superlattice self-electrooptic effect device
09/04/1990US4955060 Image recognition apparatus
08/1990
08/31/1990CA2006682A1 Semiconductor superlattice self-electrooptic effect device
08/29/1990EP0384604A1 Optical interconnection systems
08/28/1990US4952792 Optical device
08/28/1990US4952791 Monolithic apparatus comprising optically interconnected quantum well devices
08/23/1990WO1990009615A1 Optical computers and optical interconnections
08/14/1990US4948959 Optical computer including pipelined conversion of numbers to residue representation
08/14/1990CA1272628A1 Optical logic element
08/07/1990US4947458 Optical transmitter utilizing a bistable distributed feedback semiconductor laser
08/07/1990US4947223 Semiconductor devices incorporating multilayer interference regions
07/1990
07/10/1990CA1271549A1 Pnpn thyristor
07/04/1990EP0376483A1 Monolithic apparatus comprising optically interconnected quantum well devices
07/03/1990US4939682 Integrated electro-optic arithmetic/logic unit and method for making the same
07/03/1990US4938557 Optical device
06/1990
06/27/1990EP0375346A1 Non-linear interferometer
06/27/1990EP0375165A2 Spatial light modulating element and neural network circuit
06/26/1990CA1270674A1 Optical logic arrangement
06/26/1990CA1270673A1 Method and apparatus for making a reflection hologram to interconnect nonlinear optical elements
06/20/1990EP0373541A2 Optical transistor
06/19/1990CA1270561A1 Optical memory device comprising a semiconductor laser having bistability and two injection current sources
06/19/1990CA1270393A1 Optical logic arrangement with self electro-optic effect devices
06/19/1990CA1270392A1 Optical interconnection arrangement
06/13/1990DE3840881A1 Purely optical bistable circuit
06/12/1990US4932739 Ultra-fast optical logic devices
06/05/1990US4931959 Optical shuffle arrangement
06/05/1990US4930873 Optical flip-flop
05/1990
05/22/1990US4927230 Optical switch array provided with a mask having openings of a predetermined pattern and shutters corresponding to the pattern
05/16/1990EP0367778A1 Switch matrix with non-linear optical elements and process for manufacturing it
05/02/1990EP0366424A2 Method for driving a PNPN semiconductor device
05/01/1990US4922497 Optical logic circuit
05/01/1990US4921336 Array of bistable devices and apparatus and methods for creating same
04/1990
04/26/1990DE3835844A1 Method and arrangement for the production of a logical NAND circuit, a logical invertor and the most general logic circuits in a purely optical way by means of the superposition of four-photon interaction processes
04/25/1990EP0364987A2 Semiconductor device
04/25/1990EP0207131B1 Method and apparatus for making a reflection hologram to interconnect nonlinear optical elements
04/18/1990EP0364162A2 Optical device
04/17/1990US4918701 Semiconductor laser arrangement and method for the operation thereof
04/04/1990EP0362078A2 Optical bistable laser diode and a controlling method thereof
04/04/1990EP0361508A2 Non-linear optical device
04/04/1990EP0361035A2 Semiconductor laser device and method for its operation
04/04/1990EP0360833A1 Symmetrical optical device.
04/04/1990EP0128960B1 Thermomagnetic optical recording/reproducing method
04/03/1990US4914286 Method and apparatus for increasing the processing capacity of optical digital processing systems having optically bistable devices
03/1990
03/28/1990EP0360686A2 All-optical switch apparatus using a nonlinear etalon
03/28/1990EP0359778A1 Optical device.
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