Electrical analog calculating computer > Particular function performed > Evaluation of equation > Differential (e.g., differential analyzer) > Patents

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Class Information
Number: 708/804
Name: Electrical computers: arithmetic processing and calculating > Electrical analog calculating computer > Particular function performed > Evaluation of equation > Differential (e.g., differential analyzer)
Description: Subject matter wherein the equations evaluated are differential equations.

Patents under this class:

Patent Number	Title Of Patent	Date Issued
7333924	Method and system for device level simulation of large semiconductor memories and other circuits	Feb. 19, 2008
7332974	Method and apparatus for steady state analysis of a voltage controlled oscillator	Feb. 19, 2008
6141676	Digitally-configurable analog VLSI chip and method for real-time solution of partial differential equations	Oct. 31, 2000
5579255	Analog arithmetic circuit with electric resistor networks and numerical solution method of fourth-order partial differential equation by the use of the circuit	Nov. 26, 1996
5291612	System for evaluating boolean expressions using total differential generating tree structured processing elements controlled by partial subfunction differentials	Mar. 1, 1994
4734879	Analog computing method of solving a second order differential equation	Mar. 29, 1988
4074113	Punched-card programmable analog computer	Feb. 14, 1978
3996457	Electronic analog computers	Dec. 7, 1976