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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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,... |
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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... |
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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. |
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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... |
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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... |
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3502855 |
DIFFERENTIAL ANALYZER WITH VARIABLE INTEGRATION LIMITS
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3396267 |
Heat simulator computer
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3333092 |
Alternating current integrators
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3283134 |
Particle trajectory plotter
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3231723 |
Iterative analog computer
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3230356 |
Device for analogue solution of differential equations
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3148537 |
Dyna-electronic compensator
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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... |
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3114037 |
Measuring and controlling method and apparatus
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3099741 |
Electrical analogue
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3093731 |
Transient field simulator
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3073524 |
Compensator for system of plural degrees of freedom
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3034710 |
Planar computer
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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... |
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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... |
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3007634 |
Rate computer for gun control systems
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3000566 |
Economic dispatch computer for electric intermeshed power distribution systems
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2967018 |
Analog computation
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2942782 |
Sonar ray tracer
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2936119 |
Simultaneous differential equation computer
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2918218 |
Analogue computer
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2899134 |
Title is not available
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2888203 |
Device for predicting values of a fluctuating system at a predetermined future time
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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... |
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2873065 |
Differential analyzer
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2859914 |
Electrical network system or simulator
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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... |
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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... |
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2832937 |
Time domain circuits for filtering signals expressible as solutions to linear homogeneous differential equations with constant coefficients
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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... |
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2771243 |
Apparatus for simulating an engine
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