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7769173 Methods and systems for executing bit-commitment protocols that are based on entangled quantum states and a third party  
Various method and system embodiments of the present invention are directed to executing bit-commitment protocols. In one embodiment of the present invention, a method for executing a...
6035314 Information processing method  
The reliability of solutions of simultaneous algebraic equations with integral coefficients is improved and high-speed information processing is realized. A method processes information wherein, in...
5943495 Copy utility method and apparatus for non-stop database applications  
A copy utility for non-stop database applications allows users to continuously access a database which is undergoing back-up operations. The system includes a lock manager which controls the access...
5678055 Method and device for generating Grobner bases to reduce memory usage and increase computing speed  
A method and device for generating the Grobner bases to reduce the memory usage and compute at a high speed. The method comprises the steps of a) selecting a prime number, b) computing the...
5634120 Computer system supporting utilization of utility functions applicable to concurrently executing jobs by monitoring job excution characteristics and determining eligible job combinations for utility function  
A computer system supports the application of a function supplied by the Operating System (OS) or a utility program. A generating section generates system operation information including job...
5128623 Direct digital synthesizer/direct analog synthesizer hybrid frequency synthesizer  
A digital/analog hybrid frequency synthesizer having a digital frequency synthesizer for digitally generating an analog output signal of a predetermined frequency within a frequency range of f to...
4918643 Method and apparatus for substantially improving the throughput of circuit simulators  
A method for substantially improving the throughput of circuit simulators is disclosed for arriving at the steady-state of closed-loop self-regulated piecewise-linear or periodically driven...
4713771 Digital minimum-maximum value sequence processor  
In a system for generating a vector representation of a waveform on a cathode ray tube screen, the minimum and maximum magnitudes of an analog waveform acquired during each of successive...
4631694 Sine wave synthesizer  
A sine wave synthesizer is employed in an analog signal processing integrated circuit. The circuit includes an integrator driven from a plurality of integration constant capacitors which are...
4620291 Digital-to-analog converter interpolator  
A digital-to-analog converter interpolator is provided finding application, among others, as a digital ramp smoother. In the preferred embodiment, a regular input step digital ramp signal f(t) is...
4583188 Digitally controlled electronic function generator  
A new method and apparatus for generating an analog output signal as a function of a digital input in the form of digital words over a specified range. The range is divided into a plurality of...
4521865 Programmable function generator  
A signal consisting of a sequence of contiguous line segments is generated to simulate a function. First programmable inputs define a first parameter (duration) corresponding to each of the line...
4482975 Function generator  
Apparatus for generating an output digital signal that approximates the value of a predetermined mathematical function lying in the X-Y plane at a point defined by an input digital signal. The...
4482974 Apparatus and method of phase-to-amplitude conversion in a sine function generator  
A sine wave generator uses a phase-to-amplitude converter (PAC) which functions with a novel multiplier. By using pipelined adders, intermediate amplitude and slope data from storage are combined...
4464727 Parabolic function generator  
A function generator responsive to clock pulses for developing an analog signal in the form of a digitally approximated parabola.
4414639 Sampling network analyzer with sampling synchronization by means of phase-locked loop  
An improved Sampling Network Analyzer is disclosed, in which synchronization of the sampling of one or more input signals, either voltages or currents, is effected by means of a phase-locked loop...
4335440 Signal enhancement circuit  
A synchronous oscillator demodulator for linear variable differential transformers and synchronous resolvers having electronic circuitry designed to digitally construct a preferred waveform of a...
4335442 Synchronous oscillator demodulator system  
A synchronous oscillator demodulator for linear variable differential transformers and synchronous resolvers having electronic circuitry designed to digitally construct a preferred waveform of a...
4238831 Pulse interpolation method and apparatus  
Received periodic pulses of varying amplitude, representing a measured analog signal, are alternately applied to two interpolation channels through gates alternately activated by a flip-flop...
4222108 Digitally-programmed arbitrary waveform generator  
A digital system for generating waveforms includes a word oriented digital memory which stores a plurality of digital words containing data and instructions. The words of the word oriented digital...
4216465 Programmable analog to digital converter  
A programmable analog to digital (A/D) converter useful for example, in ultrasonic medical diagnosis systems, for providing transfer functions that in some arrangements may be manually selected and...
4143363 Nonuniform translation between analog and digital signals by a piece-wise linear process  
A weighted resistance network under control of combinational and sequential logic circuits provides a separate reference voltage at each of the digit times of the pulse code for comparison with an...
4097858 Digital to analog resolver converter  
A digital to analog resolver converter uses a digital to analog converter to convert a part of the digital input to a corresponding analog angle value. This analog angle value is applied to sine...
4061904 Variable analog function generator  
A variable analog function generator which is independent of an external computer during the time that it generates at least one predetermined output function of at least one input variable. The...
4001555 Signal processing apparatus  
For weighting input signal in accordance with a mathematical transfer function represented by a plurality of straight lines each of which intersects the next at a separate break-point, signal...
3824382 VECTOR GENERATOR  
A vector generator provides a linear interpolation between points of a step function or dot waveform wherein the linear interpolation represents the vector sum of the time and amplitude components...
3793589 DATA COMMUNICATION TRANSMITTER UTILIZING VECTOR WAVEFORM GENERATION  
A digitally implemented single sideband (SSB) transmitter simultaneously generates a desired signaling waveform in response to a single data signal input, multiplies it by a carrier function,...
3763414 MULTI-SPEED DIGITAL TO SYNCHRO CONVERTERS  
A reversible counter is used in conjunction with a plurality of gates and an impedance network to develop a staircase output having a phase corresponding to the count initially registered. This...
3727037 VARIABLE INCREMENT DIGITAL FUNCTION GENERATOR  
A digital sine function generator having a read-only-memory for storing increments of a sine function thereon, where the storage size of the read-only-memory is limited such that the total number...
3686478 ELECTRONIC BALLISTIC COMPUTER CIRCUIT  
An all electronic, tank housed, ballistics computer circuit which upon the eceipt of laser BCD range signals from a laser range finder, provides electrical signals containing information which is...
3678258 DIGITALLY CONTROLLED ELECTRONIC FUNCTION GENERATOR UTILIZING A BREAKPOINT INTERPOLATION TECHNIQUE  
The specification discloses a digitally controlled function generator wherein breakpoint information for a given function is developed by a digital computer. A search function is employed by...
3653033 NON-LINEAR DECODER WITH LINEAR AND NON-LINEAR LADDER ATTENUATORS  
A PCM word decoder has a characteristic curve which is symmetrical with respect to zero abscissa point. Starting from the zero abscissa point, the curve comprises a linear part corresponding to the...
3646549 GENERATOR WITH DIFFERENTIAL DIGITAL-TO-ANALOG CONVERTER  
A vector generator employing a single differential digital-to-analog converter for changing from the analog of a first digital number to that of a second following any predetermined linear slope....
3645549 AUTOMATIC BELT RETRACTOR  
An elongated retractor serves as a guide for a retracting slide within it. When the belt is fully extracted, the slide is pulled to a position where it engages a pivotable locking member and is...
3629566 ELECTRONIC MULTIPOINT COMPENSATOR  
Signal-compensating apparatus comprising a storage device containing a plurality of deviation signals corresponding to predetermined values of a variable signal and two serially connected counters...
3621227 ANALOG LINE GENERATOR  
In an analog line generator for producing a straight line connecting two given points, which comprises an integrator, an adder and a feedback circuit from the integrator to the adder, an...
3610896 SYSTEM FOR COMPUTING IN THE HYBRID DOMAIN  
A programmable, sequential-step electronic computing system is disclosed which utilizes, for its basic mathematical capability, a hybrid computing element having an operational amplifier,...
3594756 CRT CURVED CHARACTER GENERATOR  
A character generator for a cathode-ray tube display system including the capability of digitally generating curved characters. Each diode matrix used for generating a character produces output...
3587083 CHARACTER GENERATION AND DISPLAY SYSTEM  
A character generation and display system for characters comprised of a series of connecting line segments of various slopes which are formed by deflection waveforms resulting from integrating over...
3586839 INTERPOLATIVE FUNCTION GENERATOR HAVING A PAIR OF DIGITAL-TO-ANALOG CONVERTERS CONNECTED IN SUMMING RELATION  
The disclosure concerns a function generator as used in an analog computer and employing a pair of digital to analog converters having outputs connected in summing relation; and circuit means...
3569958 POLAR-TO-CARTESIAN, DIGITAL-TO-ANALOGUE CONVERTER  
The present disclosure describes a code converter which converts directly from polar digital information to cartesian analogue information by continuously adjusting the resistances of a...
3557347 DIGITALLY CONTROLLED ANALOGUE FUNCTION GENERATOR  
A function generator primarily adapted for use in hybrid computing systems, wherein method and apparatus are disclosed for producing an analogue output signal as a digitally selected segmental...
3551655 CONTROL APPARATUS FOR APPROXIMATING A SIGNAL WAVEFORM  
3524169 IMPULSE RESPONSE CORRECTION SYSTEM  
3513301 ELECTRONIC FUNCTION GENERATION  
3512151 DIGITAL CONVERSION SYSTEMS  
3506810 DIGITAL CONTROLLED FUNCTION GENERATOR INCLUDING A PLURALITY OF DIODE SEGMENT GENERATORS CONNECTED IN PARALLEL  
3486018 ELECTRICAL SIGNAL FUNCTION GENERATORS  
3480767 DIGITALLY SETTABLE ELECTRONIC FUNCTION GENERATOR USING TWO-SIDED INTERPOLATION FUNCTIONS  
3426327 VARIABLE RATE TELEMETRY SYSTEMS  
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