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Document 
Document Title 

5987491 
General purpose charge mode analog operation circuit
A general purpose charge mode, analog operation circuit provides adder, multiplier, divider (D/A converter) and other functions using a single hardware configuration to be used in different modes.... 

5958002 
Vector absolutevalue calculation circuit
A highly accurate vector absolutevalue calculation circuit uses analog processing and minimal hardware. Signal voltages corresponding to an I component (real number part) and a Q component... 

5951632 
Parallel signal processing circuit, semiconductor device having the circuit, and signal processing system having the circuit
In order to attain a high arithmetic operation precision, small circuit scale, high arithmetic operation speed, and low consumption power in a semiconductor device having multiple input terminals,... 

5952685 
Signal processing applications of massively parallel charge domain computing devices
The present invention is embodied in a charge coupled device (CCD)/charge injection device (CID) architecture capable of performing a Fourier transform by simultaneous matrix vector multiplication... 

5917742 
Semiconductor arithmetic circuit
A semiconductor arithmetic circuit which realizes multipleitem addition processing at high speed and with a small surface areas The semiconductor arithmetic circuit adds a plurality of data... 

5892700 
Method for the highresolution evaluation of signals for one or twodimensional directional or frequency estimation
A method is specified for the highresolution evaluation and, if appropriate, for the recovery of narrowband signals, received by a centrosymmetrical sensor group (AG), for directional... 

5867416 
Efficient frequency domain analysis of large nonlinear analog circuits using compressed matrix storage
Methods and apparatus for performing frequency domain analysis using compressed matrix storage to reduce the computation and storage requirements associated with processing a system of harmonic... 

5864495 
Arithmetic processing apparatus and arithmetic processing circuit
An arithmetic processing apparatus or circuit for performing charge redistribution by one or more capacitances connected to an input portion of each comparator are realized with improved... 

5796647 
Inner product calculation device
An inner product calculation device for calculating an inner product of a coefficient vector including at least one first element with a positive sign and at least one second element with a... 

5774390 
Digital ramp generator
A digital ramp generator including a controlled sampling circuit receiving an input voltage, an adding circuit for adding the said input voltage to an actual output voltage to provide a new... 

5699278 
Focal plane processor
A circuit and method for computations on large groups of input operands is disclosed. More specifically, the present invention is related to focal plane processing. The method of the present... 

5694351 
Method and apparatus for generating degree of membership in fuzzy inference
A method and apparatus for determining the degree of membership in a fuzzy inference by using a subtractor and a divider without the need for a complicated multiplication, division circuit or... 

5648926 
Silicon neuron
An integrated circuit having a plurality of interdependent differential pairs of CMOS transistors emulates the functional characteristics of a biological neuron. The gate voltage of a first one of... 

5644123 
Photonic signal processing, amplification, and computing using special interference
A means and method of controlling a plurality of energy beams with at least one of the plurality of beams. At least one first beam set produces special interference with at least one second beam... 

5614834 
Sampling receivers
A Golay sampling receiver is used for optical sampling of voltage and charge at the internal nodes of analog and digital integrated circuits. The sampling receiver uses very high sampling rates... 

5604824 
Method and apparatus for compression and decompression of documents and the like using splines and splinewavelets
An apparatus and a corresponding method for performing compression and reconstruction of documents are disclosed. Compression of the document is performed by applying a scaling function and a... 

5581485 
Analog vector distance measuring and vector quantization architecture
A distance measuring circuit includes an array of nonvolatile analog storage cells arranged in rows and columns, input circuits to apply complementary analog voltages to pairs of row lines, and... 

5574678 
Continuous time programmable analog block architecture
A programmable analog circuit apparatus receives a differential analog input signal and provides a processed differential analog output signal. The programmable analog circuit apparatus includes a... 

5570457 
Visual information processing device
A visual information processing device having a neural network function and capable of visual information processing comprises a semiconductor integrated circuit section equipped with a plurality... 

5568413 
Analog circuit implementing fuzzy rules with polynomial output coefficients
This fuzzy logic controller of the analog type enables the implementing of a set of fuzzy rules for which the output values are polynomial functions of the input variables. The controller... 

5555126 
Dual phase amplification with phase logic
A means, method and apparatus for dualphase amplification of wavetype signals is disclosed comprising superimposing a constant level beam set and a modulated beam set to produce a first... 

5535291 
Superresolution image enhancement for a SIMD array processor
A combination of image magnification and/or image zoom, superresolution processing techniques, and a parallel (SIMD) machine implementation achieve image enhancement and resolution that are better... 

5528532 
Distortion circuits for improving distortion effects to audio data
A distortion circuit includes at least two distortion imparting circuits for respectively imparting different distortion characteristics to an input data, and an adder for adding output data from... 

5526298 
Optical associative memory
An optical associative memory in which processing data by optical operations permits simplification in circuit arrangement, a shorter processing time and the generation of successive outputs. The... 

5526299 
Method and apparatus for encoding and decoding using waveletpackets
The disclosure involves the use of a library of modulated waveletpackets which are effective in providing both precise frequency localization and space localization. An aspect of the disclosure... 

5515189 
Neural network device and image recognition method employing photoconductive liquid crystal device with patterned electrode
A light modulation device comprising a first transparent electrode layer, a photoconductive layer, a conductive electrode, a light modulation layer, and a second transparent electrode layer formed... 

5506801 
Highperformance ultralow power VLSI analog processor for data compression
An apparatus for data compression employing a parallel analog processor. The apparatus includes an array of processor cells with N columns and M rows wherein the processor cells have an input... 

5466925 
Amplitude to phase conversion logic
A means, method and apparatus is disclosed for providing at least one phasemodulated output from at least one amplitudemodulated input, which is used to produced the logical AND and OR functions... 

5467429 
Neural network circuit
A neural network circuit including a number n of weight coefficients (W1Wn) corresponding to a number n of inputs, subtraction circuits for determining the difference between inputs and the... 

5440671 
Neural net model and neural net optimizing method and system for realizing the same
A recursive neural net including processing elements (1) each having a linear saturated function as an input/output function. The elements (1) are divided into a plurality of blocks (2), and the... 

5430830 
Adaptive weight adjusting circuit for an neural network
A processing element utilizing the learning algorithm Wi =Wi1 +Aiwhere Ai is one of η*(Xi Wi1), +1, 1, and 0, andwhere: Wi =a weight, Wi1 =a previous weight, η=a plasticity signal, and Xi =an... 

5424973 
Apparatus and method for performing small scale subtraction
A subtracting circuit which is capable of performing highly accurate, small scale subtraction. The subtracting circuit includes a first input capacitance receiving a first input voltage, a first... 

5394511 
Coupling element for semiconductor neural network device
A neural network device includes internal data input lines, internal data output lines, coupling elements provided at the connections of the internal data input lines and the internal data output... 

5381361 
Method and apparatus for realtime constraint solution
A circuit and method for executing real time constraint solution permits real time control of computational tasks using analog very large scale integrated (VLSI) circuits. The constraints of a... 

5371835 
Inductively coupled neural network
A neural coupling includes a pair of primary and secondary members for coupling a precedent node to a subsequent node to synaptically transmit a signal through a neural network. A primary member... 

5365472 
Nonlinear resistive grid kernel estimator useful in single feature, twoclass pattern classification
A discrete nonlinear estimator is provided to establish a probability dety function useful in classification of a feature as belonging to one of two classes. A first and second known feature... 

5350953 
Digitally weighted neuron for artificial neural network
A neuron for an artificial neural network provides digital weighting of input signals at a common portion of the neuron rather than at each synapse. The neuron is adapted for use of differential... 

5343419 
Analog calculation circuit using timers
An analog calculation circuit has a circuit input for receiving a first input voltage, a circuit output, a first timer, and a second timer. The first timer has a first capacitive coupler, a first... 

5341323 
Fuzzy membership function circuit
A programmable multimembership function circuit comprises at least one or preferably two Z function circuits, at least one or preferably two S function circuits, and a fuzzy logic circuit for... 

5331285 
Resistively programmable interface for an analog device
A resistively programmable interface for controlling an analog device such as a solenoid or lamp comprises input circuitry having a plurality of nodes, measuring circuitry for determining voltages... 

5317674 
Centerofgravity determining circuit for pulse generation
A centerofgravity determining circuit for pulse generation which is used to obtain a manipulated variable for, for example, a fuel injection device, by using the result of fuzzy reasoning. The... 

5305250 
Analog continuoustime MOS vector multiplier circuit and a programmable MOS realization for feedback neural networks
A neuron circuit and a neural network including a four quadrant analog multiplier/summer circuit constructed in field effect transistors. The neuron circuit includes the analog multiplier/summer... 

5305251 
Membership function generator
A membership function generator comprising an adder circuit which receives input VIN and center position voltage Vx for generating one side of a membership function (MF), an inversion circuit... 

5303329 
Continuous synaptic weight update mechanism
A continuous weightupdate device for a synaptic element including at least one MOS transistor comprises a floating node having a capacitance associated therewith, the floating gate comprising at... 

5295226 
Fuzzy computer
A fuzzy computer which carries out fuzzy operations using membership functions. This fuzzy computer readily processes implications made up of an antecedent expressed by fuzzy values and a... 

5295091 
Analog implementation of a pattern classifier
A method of and system for classifying a pattern wherein there is provided a node, the negative of a predetermined threshold signal is applied to the node, a plurality of digital signals in... 

5276767 
Fuzzy computer
A fuzzy computer which adopts hardware arrangement to simultaneously execute the upper bound cut, the maximum value operation, and the calculation of the center of gravity by directing attention... 

5270963 
Method and apparatus for performing neighborhood operations on a processing plane
The present invention is a method and apparatus for performing neighborhood processing operations on an n dimensional processing plane. In a simple, two dimensional, example, an M by N processing... 

5261035 
Neural network architecture based on summation of phasecoherent alternating current signals
A neural network architecture has phasecoherent alternating current neural input signals. Each input vkin is a twophase pair of signals 180 degrees out of phase. Capacitive coupling of both... 

5258934 
Charge domain bit serial vectormatrix multiplier and method thereof
A charge domain bit serial vector matrix multiplier for real time signal processing of mixed digital/analog signals for implementing optoelectronic neural networks and other signal processing... 