Matches 51 - 100 out of 219 < 1 2 3 4 5 >
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6219160 Optical logic element and methods for respectively its preparation and optical addressing, as well as the use thereof in an optical logic device  
In a multistable optical logic element with a light-sensitive organic material (1) which undergoes a photocycle with several physical states by irradiation with light, and wherein a physical state...
6178020 Modules and methods for all photonic computing  
A method for all photonic computing, comprising the steps of: encoding a first optical/electro-optical element with a two dimensional mathematical function representing input data; illuminating the...
6108111 Ferroelectric optical computing device with low optical power non-destructive read-out  
Photoresponse from a ferroelectric optical computing device, such as a memory cell or a logic switch, is increased by either illuminating the regions of the ferroelectric crystal under the...
6049403 V-splitter for optical engine  
An optical engine in which full-spectrum light is split into its three primary beam components of red, blue and green, which components are then modulated by reflective or transmissive light valve...
6038073 Optical information processing system  
A constituent unit for an optical information processing system comprises an input information displaying device, which one-dimensionally, two-dimensionally, or three-dimensionally displays...
5963347 Holographic neurochip  
The invention relates to an opto-electronic integrated circuit which is optically connected by holograms. An optimum arrangement for as high an integration density as possible of the light sources,...
5940193 General purpose quantum computing  
Method and apparatus are provided for a general purpose photonic computer. A data signal is input through an encoder to encode such signal with an instruction. The encoded signal is transmitted by...
5777776 Full optical type optical element  
A full optical type optical element performs an information processing on an input signal light beam through use of only light beams including the signal light beam and an auxiliary light beam for...
5757524 Normally white multigap twisted nematic liquid crystal display with reduced hue variation over viewing angle  
A normally white twisted nematic liquid crystal display which uses multigap liquid crystal cells where the gaps are selected to have a cell gap which is less than that which would produce a maximum...
5737102 Method of making an optically nonlinear switched optical device and related devices  
Methods for making a nonlinear optical device and related devices are dissed. The method includes creating an ordered dispersion of charged particles in a surrounding medium. The charged particles...
5704015 Optical operation element, optical data processing circuit and photoelectric operation element  
A modulating optical operation element is composed of a light receiving separation element having a pair of light receiving elements, a photoelectric operation element made of an operation element...
5640261 Optical operation apparatus for finding an inner product of vectors using light  
In an optical operation apparatus for carrying out an operation for finding an inner product of a first vector and a second vector by utilizing light, an optical vector encoding system forms an...
5617232 Optical digital holding apparatus  
An optical digital holding apparatus of the present invention carries out functions of a flip-flop apparatus (RS flip-flop, D flip-flop etc.) which are one kind of electrical digital holding...
5592322 Laser beam modulation apparatus  
A laser beam modulation apparatus modulates a EFM (eight-fourteen modulated) signal to generate as a laser power control signal a pulse modulated EFM signal (PM-EFM). During each of on-time...
5539668 Optical switching apparatus  
A light transmission circuit 20 is biased to one optical bistable region of its multistable characteristic by a bias light from a light source 29. The bias light is superimposed by plural control...
5495362 Photoperiodic circuit amplification control apparatus  
The object of the present invention is to control the amplification rate of a photoperiodic circuit by stable negative feedback control, thereby suppressing fluctuations in the circulating light in...
5463485 Terahertz repetition rate optical computing systems, and communication systems and logic elements using cross-phase modulation based optical processors  
Optical communication systems, optical computing systems and optical logic elements which rely on the phenomina of cross-phase modulation to alter and control, either or simultaneously, the...
5454048 Apparatus for multiplexed imaging using optically-generated Kronecker products  
A new type of fully-multiplexed imaging device is described for use at wavelengths where efficient focal plane array detectors are unavailable. It shares some properties in common with the familiar...
5446571 Manchester code optical code recognition unit  
An optical code recognition unit (OCRU) for recognising a predetermined n-bit optical code sequence coded using the Manchester code format, has an n-way splitter (7) having an input and n parallel...
5446579 Optical processor  
An optical processor includes a non-linear ring resonator with lasers and two waveguides with electrodes positioned above them. This optical processor extends its functional range, i.e. providing...
5442471 Optical digital apparatus  
Operation results for all combinations of input optical signal values to be operated are previously determined and substantially parallel light beams reflecting the operation results for all...
5432722 Global interconnect architecture for electronic computing modules  
An architecture for an optical computing apparatus which utilizes global free space smart optical interconnects and is based on a digital logic family derived from augmenting semiconductor...
5414789 Optical logic gates with high extinction ratio using inverse scattering technique and method using same  
Optical logic gates are designed using inverse-scattering theory, resulting in devices which are intrinsic and passive, having high extinction ratios and large fan out. The Boolean operation is...
5394257 Optical neural network system  
An optical system of an optical neural network model for parallel data processing is disclosed. Taking advantage of the fact that an auto-correlation matrix is symmetric with respect to a main...
5383042 3 layer liquid crystal neural network with output layer displaying error value for optical weight updating  
An optical information processor for use as a matrix vector multiplier comprises a vector input spatial light modulator (1) and an optically addressed weight matrix spatial light modulator (3). A...
5369511 Methods of and apparatus for manipulating electromagnetic phenomenon  
Methods of and apparatus for manipulating beamed electromagnetic phenomenon comprises a generator (20) of aligned conical or pyramidal elements (21a-21f) each having conical or pyramidal inner and...
5327274 Optical calculating apparatus  
An optical calculating apparatus which can perform operations by optically controlling incident light and hence perform such operations very rapidly and in parallel is provided. A unit component is...
5315422 Optical Mach-Zehnder type logic element which performs an XOR operation  
An optical logic element is disclosed which performs an XOR operation through utilization of the high-speed property of light. On each branched waveguide of a Mach-Zehnder interference type optical...
H001296 Optical switching device and parallel processing architecture  
A multiple-faced optical device comprising a light-responsive element having multiple faces, at least two of the faces constituting input faces for receipt of non-collinear light signals and at...
5297068 Global interconnect architecture for optical computer  
An architecture for an optical computing apparatus which utilizes global free space smart optical interconnects and is based on a digital logic family derived from augmenting semiconductor...
5295010 Amplifying and synchronizing signals in optical computing system  
Amplification and synchronization of photon pulses in optical computing chips is accomplished by placing parametric amplifying devices at predetermined spatial locations in the light conductive...
5291324 Comparison apparatus with freespace optical interconnections between optoelectronic integrated circuits  
An exemplary packet processing apparatus where a large number of comparisons can be made concurrently in bit-parallel fashion by partitioning the comparison functionality to two optoelectronic...
5289304 Variable rate transfer of optical information  
Two-dimensional optical data is transferred at a variable rate through an tical delay module formed by spatial light modulators of the ferroelectric liquid crystal type interconnected in series for...
5251052 System for solving boolean equations using optical lookup tables  
A reconfigurable digital optical lookup table for solving Boolean equations sing an array of bistable optical devices is provided. A single light source is divided into a matrix of light beams...
5182666 Organic optical logic device  
An organic optical logic device comprising, as a nonlinear optical medium, a crystal of organic molecules which are excited to a state of electronic excitation with an oscillator strength of at...
5155779 Optical circulating shift register  
An all-optical circulating shift register encodes a received optical clock signal with a value derived from an encoded optical signal received at a control port thereof. A data input to the shift...
5132842 Optical image transformation system  
An optical system is provided for the transformation of input images to be correlated by a pattern recognition system. A pulse of light from a laser carries an input image to a beam splitter. The...
5132831 Analog optical processing for the construction of fractal objects  
An analog optical processor for performing affine transformations and constructing fractal objects. An optical processor for optically performing an iterated affine transformation includes a...
5131055 Auto and hetero-associative memory using a 2-D optical logic gate  
An optical system for auto-associative and hetero-associative recall utilizing Hamming distance as the similarity measure between a binary input image vector V (k) and a binary image vector V (m)...
5129041 Optical neural network processing element with multiple holographic element interconnects  
A neural network processing element uses primarily optical components to model a biological neuron having both spatial and temporal dependence. The neural network processing element includes a...
5095380 Photoelectronic interconnection network for high-speed information processing  
In a photoelectronic interconnection device, N×N light emitting elements are arranged on a light emitting plane in a matrix pattern and N×N light sensing elements are arranged on a light...
5080464 Optical neural network apparatus using primary processing  
For inputting a two-dimensional image into an optical neural network apparatus, a primary processing device is used to extract the characteristic feature of an object pattern. Thereafter,...
5076662 Electro-optical IFS finder  
An electro-optical system that implements the self-tiling process of fining proper Iterated Function Systems for modeling natural objects. The system can operate in two different modes, a real-time...
5063602 Image correlation calculation apparatus  
In an image correlation calculation apparatus for optically calculating correlations between reference patterns and an image such as a character or any other figure, the image such as the character...
5028102 Parallel optical information processing system  
A parallel optical information processing system includes an information inputting part which produces a coherent optical beam spatially modulated by input image information. A rewritable hologram...
5023944 Optical resonator structures  
At least one optical resonator having a selected optical processing property is formed upon a substrate. Various property resonators may be stacked upon one another so as to share a common optical...
5023673 Semiconductor mesa structured optical processing devices, with added side-surface recombination centers to improve the speed of operation  
A semiconductor multiple quantum well mesa structure, for use as the optically active element in an optical logic or an optically controlled optical switching device, has its side surfaces...
5005954 Method and apparatus for second-rank tensor generation  
A method and apparatus for generation of second-rank tensors using a photorefractive crystal to perform the outer-product between two vectors via four-wave mixing, thereby taking 2n input data to a...
5004325 Optical processing using a multilayer heterostructure  
An electro-optic medium, useful for image processing, is formed by creating a distribution of deep impurity levels over essentially all the lateral extent of a multilayer heterostructure. This...
5002348 Scanning beam optical signal processor  
The present invention relates to a scanning beam optical processing system which combines Fourier optics with the ability to scan a stationary object plane. A scanning system moves a beam of light...
Matches 51 - 100 out of 219 < 1 2 3 4 5 >