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Class Information
Number: 708/7
Name: Electrical computers: arithmetic processing and calculating > Electrical hybrid calculating computer > Particular function performed > Multiplication or division
Description: Subject matter wherein the function performed is multiplication or division to produce a product or quotient from at least two input signals.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7277540 |
Arithmetic method and apparatus and crypto processing apparatus for performing multiple types of cryptography |
Oct. 2, 2007 |
| 7240204 |
Scalable and unified multiplication methods and apparatus |
Jul. 3, 2007 |
| 6636828 |
Symbolic calculation system, symbolic calculation method and parallel circuit simulation system |
Oct. 21, 2003 |
| 6424925 |
Circuit and method for detecting a tone signal |
Jul. 23, 2002 |
| 6366944 |
Method and apparatus for performing signed/unsigned multiplication |
Apr. 2, 2002 |
| 6278724 |
Receiver in a spread spectrum communication system having low power analog multipliers and adders |
Aug. 21, 2001 |
| 6064740 |
Method and apparatus for masking modulo exponentiation calculations in an integrated circuit |
May. 16, 2000 |
| 5952685 |
Signal processing applications of massively parallel charge domain computing devices |
Sep. 14, 1999 |
| 5907496 |
Multiplication and addition circuit |
May. 25, 1999 |
| 5841684 |
Method and apparatus for computer implemented constant multiplication with multipliers having repeated patterns including shifting of replicas and patterns having at least two digit positions |
Nov. 24, 1998 |
| 5835387 |
Multiplication circuit |
Nov. 10, 1998 |
| 5757977 |
Fuzzy logic filter for reducing noise and sharpening edges of digital image signals |
May. 26, 1998 |
| 5748510 |
Multiplication circuit with serially connected capacitive couplings |
May. 5, 1998 |
| 5701260 |
Multiplier using charge transfer device |
Dec. 23, 1997 |
| 5565809 |
Computational circuit |
Oct. 15, 1996 |
| 5563812 |
Filter device including analog and digital circuitry |
Oct. 8, 1996 |
| 5555200 |
Charge domain bit-serial multiplying digital-analog converter |
Sep. 10, 1996 |
| 5508538 |
Signal processing applications of massively parallel charge domain computing devices |
Apr. 16, 1996 |
| 5491650 |
High precision computing with charge domain devices and a pseudo-spectral method therefor |
Feb. 13, 1996 |
| 5490099 |
Method of multiplying an analog value by a digital value |
Feb. 6, 1996 |
| 5448506 |
Multiplication operational circuit device |
Sep. 5, 1995 |
| 5424965 |
Multiplication circuit for multiplying analog values |
Jun. 13, 1995 |
| 5420806 |
Multiplication circuit for multiplying analog signals by digital signals |
May. 30, 1995 |
| 5420807 |
Multiplication circuit for multiplying analog inputs by digital inputs |
May. 30, 1995 |
| 5412565 |
Electronic synapse circuit for artificial neural network |
May. 2, 1995 |
| 5408422 |
Multiplication circuit capable of directly multiplying digital data with analog data |
Apr. 18, 1995 |
| 5396442 |
Multiplication circuit for multiplying analog inputs by digital inputs |
Mar. 7, 1995 |
| 5396447 |
Multiplier circuit and method of operation therefor |
Mar. 7, 1995 |
| 5381352 |
Circuit for multiplying an analog value by a digital value |
Jan. 10, 1995 |
| 5361219 |
Data circuit for multiplying digital data with analog |
Nov. 1, 1994 |
| 5321639 |
Dual-scale topology optoelectronic matrix algebraic processing system |
Jun. 14, 1994 |
| 5311454 |
Digital multiplier-accumulator |
May. 10, 1994 |
| 5258934 |
Charge domain bit serial vector-matrix multiplier and method thereof |
Nov. 2, 1993 |
| 5227987 |
Digital signal processor for executing multichannel processing of analog inputs and outputs |
Jul. 13, 1993 |
| 5150324 |
Analog arithmetic circuit that can perform multiplication division expansion and compression by using delta sigma modulator |
Sep. 22, 1992 |
| 5089983 |
Charge domain vector-matrix product processing system |
Feb. 18, 1992 |
| 5034905 |
Divider circuit using analog-digital converter |
Jul. 23, 1991 |
| 4947173 |
Semiconductor integrated circuit |
Aug. 7, 1990 |
| 4896284 |
Semiconductor integrated circuit for multiplying analog and digital values |
Jan. 23, 1990 |
| 4752900 |
Four-quadrant multiplier using a CMOS D/A converter |
Jun. 21, 1988 |
| 4752731 |
Electronic type electric energy meter |
Jun. 21, 1988 |
| 4704702 |
Systolic time-integrating acousto-optic binary processor |
Nov. 3, 1987 |
| 4697247 |
Method of performing matrix by matrix multiplication |
Sep. 29, 1987 |
| 4692885 |
Optical floating-point matrix-vector multiplier |
Sep. 8, 1987 |
| 4686647 |
Numerical division of two arrays by optical processing |
Aug. 11, 1987 |
| 4684922 |
Temporal averaging using a voltage mode D/A converter |
Aug. 4, 1987 |
| 4667300 |
Computing method and apparatus |
May. 19, 1987 |
| 4654815 |
Analog signal conditioning and digitizing integrated circuit |
Mar. 31, 1987 |
| 4625293 |
Parallel programmable charge domain device |
Nov. 25, 1986 |
| 4616334 |
Pipelined programmable charge domain device |
Oct. 7, 1986 |
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