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8326593 Amplitude modulation-phase modulation decomposition method for phase noise simulation of oscillators with large time-constant  
Embodiments may include methods, systems, and computer-readable storage mediums that may be used to simulate phase noise for an oscillator circuit. In some embodiments, a method of simulating...
8204925 Controlling or analyzing a process by solving a system of linear equations in real-time  
System and method for controlling/analyzing a process by solving a system of linear equations in real-time. Linear equations that model the process are stored. In an off-line stage a partitioning...
7333924 Method and system for device level simulation of large semiconductor memories and other circuits  
A method for device level simulation of a circuit modeled by a set of CCR graphs, a computer system programmed to perform such a method, and a computer readable medium which stores code for...
7332974 Method and apparatus for steady state analysis of a voltage controlled oscillator  
A computer-implemented method computes the steady-state and control voltage of a voltage controlled oscillator, given a known frequency or a known period of oscillation of the voltage controlled...
6141676 Digitally-configurable analog VLSI chip and method for real-time solution of partial differential equations  
A programmable Very Large Scale Integration (VLSI) chip and method for the analog solution of a family of partial differential equations commonly encountered in engineering and scientific...
5579255 Analog arithmetic circuit with electric resistor networks and numerical solution method of fourth-order partial differential equation by the use of the circuit  
In order to carry out dynamic analysis of a phenomenon described by a fourth-order partial differential equation of a function, an analog arithmetic circuit includes a Poisson's circuit (11) and a...
5291612 System for evaluating boolean expressions using total differential generating tree structured processing elements controlled by partial subfunction differentials  
Arbitrary and complex Boolean functions can be evaluated at high speed and with a minimal amount of memory by evaluating the total derivatives of the subfunctions out of which any given Boolean...
4734879 Analog computing method of solving a second order differential equation  
A method of measuring the depletion layer width and electric field of a semiconductor junction or barrier with a particular impurity distribution profile in the semiconductor. With analog...
4074113 Punched-card programmable analog computer  
To satisfy the need for an easily programmable portable analog computer, a compact, punched-card programmable computer is herein described. This compact computer may be programmed three different...
3996457 Electronic analog computers  
A compact, self-contained, light-weight, easily programmable, desk-top analog computer, capable of being perpetually updated as new components and improved circuits are available. Unlike other...
3800893 WEIGHING APPARATUS AND METHOD  
High-speed weighing of a train of objects on a delivery belt is accomplished by delivering the objects in sequence to a weighing position on a spring-mounted platform, which responds by executing...
RE27672 Title is not available  
1,188,172. Simultaneous equation solving computers. QELEQ Ltd. 2 May, 1968 [17 May, 1967], No. 22844/67. Heading G4G. An analog computer solving a linear programming problem defined by M equations...
3652843 SETUP SYSTEM IN ANALOG COMPUTER  
A setup system in an analog computer wherein a group of potentiometers are inserted in the input sides of an integrator provided in the computer corresponding to the variables in an equation to be...
3648041 ELECTRONIC ANGLE GENERATOR  
An electronic angle generator for generating an output voltage proportional o an angle, the tangent of which is a ratio of the two input voltages to the generator, comprising multipliers and...
3629705 METHOD AND APPARATUS FOR DETERMINING ANGULAR VELOCITY  
Apparatus is disclosed for determining angular velocity using a resolver and multiplying its stator (orthogonal vector component) signals by signals representing the functions -sin Qt and +cos Qt,...
3628001 LINEAR PROGRAMMING ANALOGUE COMPUTER WITH AUTOMATIC MEANS FOR OPTIMIZING  
An analogue computer arranged for the solution of linear programming problems by the method of steepest ascents comprises a plurality of integrators, summing amplifiers and error-signal-defining...
3584208 CONTROLLER  
A controller which is adapted to accept two input signals and produce a third signal which is applied as the analog of the rate of change of a fourth variable affecting one of the input signals.
3575592 ACCELERATION REFERENCE CIRCUIT  
This invention relates to an acceleration reference circuit for producing and utilizing a first parameter analogous and proportional to a control acceleration of a vehicle. This first parameter is...
3546443 ANALOGUE COMPUTER FOR LINEAR PROGRAMING  
1,188,172. Simultaneous equation solving computers. QELEQ Ltd. 2 May, 1968 [17 May, 1967], No. 22844/67. Heading G4G. An analog computer solving a linear programming problem defined by M equations...
3502855 DIFFERENTIAL ANALYZER WITH VARIABLE INTEGRATION LIMITS  
3396267 Heat simulator computer  
3333092 Alternating current integrators  
3283134 Particle trajectory plotter  
3231723 Iterative analog computer  
3230356 Device for analogue solution of differential equations  
3148537 Dyna-electronic compensator  
3117221 Electrical power computer apparatus  
895,476. Automatic control systems for power stations operating in parallel. GENERAL ELECTRIC CO. Feb. 10, 1960 [Feb. 12, 1959; April 30, 1959], No. 4672/60. Drawings to Specification. Class 38...
3114037 Measuring and controlling method and apparatus  
3099741 Electrical analogue  
3093731 Transient field simulator  
3073524 Compensator for system of plural degrees of freedom  
3034710 Planar computer  
3026480 Exciter equalizer  
900,302. Vibrator supply arrangements. TEXTRON ELECTRONICS Inc. March 6, 1959 [March 10, 1958], No. 7865/59. Class 118. [Also in Group XL (c)] Resonance effects in a vibration exciter are...
3014655 Analogue devices for determining the partial derivatives of a function of several variables  
886,019. Electric analogue calculating systems. COMMISSARIAT A L'ENERGIE ATOMIQUE. April 11, 1958 [April 12, 1957], No. 11522/58. Class 37. In an arrangement of an analogue device for generating...
3007634 Rate computer for gun control systems  
3000566 Economic dispatch computer for electric intermeshed power distribution systems  
2967018 Analog computation  
2942782 Sonar ray tracer  
2936119 Simultaneous differential equation computer  
2918218 Analogue computer  
2899134 Title is not available  
2888203 Device for predicting values of a fluctuating system at a predetermined future time  
2884193 Electrical analogue-computing apparatus  
757,783. Electric analogue calculating apparatus. ASSOCIATED ELECTRICAL INDUSTRIES, Ltd. Sept. 14, 1953 [Oct. 2, 1952], No. 24740/52. Class 37. An electric analogue computing apparatus for the...
2873065 Differential analyzer  
2859914 Electrical network system or simulator  
2857099 Electrical analogue-computing apparatus  
757,783. Electric analogue calculating apparatus. ASSOCIATED ELECTRICAL INDUSTRIES, Ltd. Sept. 14, 1953 [Oct. 2, 1952], No. 24740/52. Class 37. An electric analogue computing apparatus for the...
2846141 Analogue computing apparatus  
757,783. Electric analogue calculating apparatus. ASSOCIATED ELECTRICAL INDUSTRIES, Ltd. Sept. 14, 1953 [Oct. 2, 1952], No. 24740/52. Class 37. An electric analogue computing apparatus for the...
2832937 Time domain circuits for filtering signals expressible as solutions to linear homogeneous differential equations with constant coefficients  
2805022 Vector filter system  
824,177. Electric analog calculating systems. NORTH AMERICAN AVIATION Inc. March 5, 1956, No. 6811/56. Class 37. [Also in Group XL (c)] Apparatus for filtering spurious variations from a vector...
2771243 Apparatus for simulating an engine  

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