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5524219 |
Optical data processing system providing free space interconnections through light pattern rotations, generated by a ring-distributed optical transmitter array through a control unit
An optical ring data distribution interconnect network system has a control unit that provides process data to a plurality of processing elements positioned about a reference circle to form a ring...
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5448749 |
Data processing apparatus with optical vector matrix multiplier and peripheral circuits
A data processing apparatus having one or more processors each comprising an optical vector matrix multiplier and its peripheral circuits mounted on a single semiconductor substrate, the multiple...
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5185715 |
Data processing systems and methods for linear programming
Data processing systems are described for processing linear programming problems. The invention employs optical (100) or digital (150) processors to perform Gaussian pivot operations by performing...
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5020018 |
Outer product optical interferometer with hologram
An outer product shearing interferometer for an optical source of one-dimensional extent which provides interference between every two points on the source. The interferometer comprises an input...
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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...
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4918635 |
Ultrafast digital photonic signal processing using optical noncollinear second harmonic generation
A technique for performing multiplication oriented optical digital computations in which a pair of identical primary frequency coherent beams of light are directed off-axis through a second...
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4815027 |
Optical operation apparatus for effecting parallel signal processing by detecting light transmitted through a filter in the form of a matrix
In an optical operation apparatus, a light source emits a light intensity-modulated on the basis of a first electrical signal. A modulating device receives the light from the light source and...
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4800519 |
Optical data processing systems and methods for matrix inversion, multiplication, and addition
Optical data processing systems are described for processing four NxN matrices A, B, C, D to calculate the expression CA -1 B+D. Multi-cell spatial light modulators are employed in conjunction...
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4767197 |
Nonlinear optical matrix manipulation
A nonlinear optical matrix multiplier includes a nonlinear optical medium with a first optical input beam impinging on the medium, the transverse spatial intensity of the first input beam being...
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4764891 |
Programmable methods of performing complex optical computations using data processing system
Methods of performing complex optical computations, preferably using a programmable optical data processor having a plurality of spatial light modulators to impress data onto a data beam. Data can...
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4747089 |
Method and apparatus for focusing servo control
A focusing control method and apparatus employing a photodetector for generating a focusing error signal, a tracking error signal and an RF signal, and a closed loop focusing servo circuit...
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4747069 |
Programmable multistage lensless optical data processing system
An optical data processing system employing a programmable optical data processor for processing an optical data beam comprising a plurality of zero, one and two-dimensional modulators for...
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4737930 |
Transmission line dividers and multipliers
A transmission line is used to implement a divider or multiplier. Transmission lines are used to implement coefficient multipliers in Fourier transformers and Convolvers.
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4692885 |
Optical floating-point matrix-vector multiplier
A digital multiplication by analog convolusion algorithm is extended by a brid combination of both floating and fixed-point arithmetic. An acousto-optical time-integrating architecture uses a...
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4686646 |
Binary space-integrating acousto-optic processor for vector-matrix multiplication
An optical processor suitable for matrix-vector multiplication. Coherent light passes through an acousto-optic cell modulated by the elements in the rows of the matrix. This light progresses...
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4633428 |
Optical matrix-vector multiplication
An optical matrix-vector multiplier for multiplying an m-row n-column matrix by an n-component vector to form an m-component vector (FIG. 1). In the specific case of a 3×3 matrix (FIGS. 4a and...
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4633427 |
Advanced cube processor
An apparatus and method provide for the electrooptic performing of matrix-matrix multiplication, computation of the cross-ambiguity function and calculation of triple correlations. A collimated...
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4628473 |
System for autocorrelating optical radiation signals
The invention provides a system with no moving parts for autocorrelating optical radiation signals. An incident optical radiation signal is first divided into first and second optical beams which,...
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4620293 |
Optical matrix multiplier
An optical computing system is provided for performing a linear multiplication operation involving a matrix with bipolar values. A plurality of beams representing the values of a N×1 column matrix...
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4607344 |
Triple matrix product optical processors using combined time-and-space integration
A triple matrix product processor for optically multiplying three matrices U. G, and V, comprising a matrix-vector processor for sequentially multiplying each column of an M×N matrix G by at least...
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4603398 |
Matrix-matrix multiplication using an electrooptical systolic/engagement array processing architecture
A electrooptic systolic array architecture performs matrix-matrix multiplication using incoherent light. The incoherent light is collimated and passed through a polarizing beamsplitter and onto a...
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4595994 |
Optical engagement array multiplication
Method and apparatus provide a series of optical analog intensities that are approximately proportional respectively to the components of a third array that is the product of a first array of...
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4592004 |
Electrooptical matrix multiplication using the twos complement arithmetic for improved accuracy
The improved electrooptic signal processing relies upon matrix-matrix multiplication using twos complement arithmetic. A source of pulse collimated light illuminates two two-dimension spatial light...
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4569033 |
Optical matrix-matrix multiplier based on outer product decomposition
An optical matrix multiplier using two linear modulating arrays in which the columns of the first matrix to be multiplied control the modulation of one array and the rows of the second matrix...
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4567569 |
Optical systolic array processing
Provided are a series of analog quantities that are approximately proportional respectively to the components of a third array that is the product of a first array of components multiplied by a...
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4566077 |
Device for the execution of a scalar multiplication of vectors
A device for executing a scalar multiplication of vectors is constructed in the form of an interferometric adder for residue numbers. A plurality of series-connected, vector-component-controlled...
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4125316 |
Integrated optical matrix multiplier
An optical waveguide of photoconductive material is positioned parallel to t least one other optical waveguide of electrooptical material. A first electrode is positioned between the two optical...
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3898447 |
Analog arithmetic circuit
An analog arithmetic circuit has a modulator circuit for coverting an analog direct current input signal into a variable duty cycle signal with the duty cycle being controlled by the amplitude of...
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3896301 |
Solid state DC times AC multiplier
A d.c. times a.c. multiplier utilizes the essentially pure resistive characteristics of a photocell, such as a cadmium sulfide photocell, to allow a.c. and d.c. component signals to be applied to...
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3555263 |
SOLID-STATE ANALOG COMPUTING DEVICE FOR CONTROLLING A PHOTO-RESISTOR IN NON-LINEAR RELATIONSHIP TO INPUT
A solid-state device for generating an impedance varying in functional relation to a variable input signal.
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3525860 |
ANALOG MULTIPLYING/DIVIDING DEVICES USING PHOTOCONDUCTIVE MEANS
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3510639 |
ELECTRONIC SERVO-TYPE MULTIPLICATION AND DIVISION APPARATUS
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3497717 |
ANALOG DEVICE FOR MULTIPLYING/DIVIDING USING PHOTOCONDUCTIVE MEANS
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3495080 |
HIGH SPEED ANALOG MULTIPLIER USING PHOTOCELLS IN CONJUNCTION WITH NEON AND ARGON TUBES
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3423579 |
ELECTRONIC DIVIDER AND MULTIPLIER USING PHOTOCELLS
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3384739 |
Analog multiplier
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3375359 |
Analog multiplier
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3305669 |
Optical data processing device
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3283135 |
Analog multiplier using radiation responsive impedance means in its feedback arrangement
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3215824 |
Electronic circuit for arithmetic operations
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3211900 |
Analog multiplier circuits using an electroluminescent element
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3193672 |
Solid state computer
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3167647 |
Electrical analog computing circuit with square root extraction capability
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3110813 |
Solid state photosensitive control element
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3082381 |
Automatic gain control circuit
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3068361 |
Function generator
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3058662 |
Electric analog multiplier
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2945626 |
Quarter-square multiplier
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3588486 |
Title is not available
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