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Class Information
Number: 708/835
Name: Electrical computers: arithmetic processing and calculating > Electrical analog calculating computer > Particular function performed > Multiplication
Description: Subject matter wherein the function performed is multiplication.


Sub-classes under this class:

Class Number Class Name Patents
708/840 Electromagnetic 3
708/842 Electromechanical (e.g., servo-multiplier) 1
708/838 Having charging or discharging of energy storage device 24
708/839 Photomultiplier 28
708/837 Quarter-square 4
708/836 Time division 8
708/843 With alternative division 3


Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
7418468 Low-voltage CMOS circuits for analog decoders Aug. 26, 2008
7092981 Non-reciprocal network element that produces an input impedance that is a function of the multiplication-division of its load impedances Aug. 15, 2006
7024448 Multiplier Apr. 4, 2006
7020676 Non-reciprocal network element that produces an input impedance that is a product of its load impedances Mar. 28, 2006
7020675 Multiplier using MOS channel widths for code weighting Mar. 28, 2006
7010563 Multiplier with output current scaling Mar. 7, 2006
7009442 Linear multiplier circuit Mar. 7, 2006
6940920 Multiplier arrangement, signal modulator and transmitter Sep. 6, 2005
6674921 Method of image sampling and apparatus thereof Jan. 6, 2004
6647406 Sum of product circuit and inclination detecting apparatus Nov. 11, 2003
6584486 Method for mathematically processing two quantities in an electronic circuit Jun. 24, 2003
6282559 Method and electronic circuit for signal processing, in particular for the computation of probability distributions Aug. 28, 2001
6074082 Single supply analog multiplier Jun. 13, 2000
5958002 Vector absolute--value calculation circuit Sep. 28, 1999
5931899 Method and apparatus for providing analog differential signal multiplication with a substantially linear response over a relatively large range of multiplication Aug. 3, 1999
5926408 Bipolar multiplier with wide input voltage range using multitail cell Jul. 20, 1999
5925094 Analog multiplier using triple-tail cell Jul. 20, 1999
5912834 Bipolar translinear four-quadrant analog multiplier Jun. 15, 1999
5907496 Multiplication and addition circuit May. 25, 1999
5905666 Processing system and method for performing sparse matrix multiplication by reordering vector blocks May. 18, 1999
5886916 Analog multiplier Mar. 23, 1999
5877974 Folded analog signal multiplier circuit Mar. 2, 1999
5784309 Optical vector multiplier for neural networks Jul. 21, 1998
5764559 Bipolar multiplier having wider input voltage range Jun. 9, 1998
5751624 Complex number calculation circuit May. 12, 1998
5712810 Analog multiplier and multiplier core circuit used therefor Jan. 27, 1998
5668750 Bipolar multiplier with wide input voltage range using multitail cell Sep. 16, 1997
5619444 Apparatus for performing analog multiplication and addition Apr. 8, 1997
5524219 Optical data processing system providing free space interconnections through light pattern rotations, generated by a ring-distributed optical transmitter array through a control unit Jun. 4, 1996
5487026 Multiplying device, linear algebraic processor, neuromorphic processor, and optical processor Jan. 23, 1996
5465044 Analog multiplying-averaging circuit and wattmeter circuit using the circuit Nov. 7, 1995
5448749 Data processing apparatus with optical vector matrix multiplier and peripheral circuits Sep. 5, 1995
5446374 Potentiometer multiplier circuit, and an electrical energy meter including such a circuit Aug. 29, 1995
5444648 Analog multiplier using quadritail circuits Aug. 22, 1995
5442583 Compensated analog multipliers Aug. 15, 1995
5408422 Multiplication circuit capable of directly multiplying digital data with analog data Apr. 18, 1995
5396447 Multiplier circuit and method of operation therefor Mar. 7, 1995
5389840 Complementary analog multiplier circuits with differential ground referenced outputs and switching capability Feb. 14, 1995
5305250 Analog continuous-time MOS vector multiplier circuit and a programmable MOS realization for feedback neural networks Apr. 19, 1994
5254889 MOSFET analog multiplier Oct. 19, 1993
5187682 Four quadrant analog multiplier circuit of floating input type Feb. 16, 1993
5185715 Data processing systems and methods for linear programming Feb. 9, 1993
5150324 Analog arithmetic circuit that can perform multiplication division expansion and compression by using delta sigma modulator Sep. 22, 1992
5136532 Coherent signal processing device using an optical delay line and application thereof to filtering correlation product and spectral analysis Aug. 4, 1992
5115409 Multiple-input four-quadrant multiplier May. 19, 1992
5099448 Matrix-vector multiplication apparatus Mar. 24, 1992
5089983 Charge domain vector-matrix product processing system Feb. 18, 1992
5061866 Analog, continuous time vector scalar multiplier circuits and programmable feedback neural network using them Oct. 29, 1991
5027060 Measuring device of the rms value of a signal, notably for current measurement in a solid-state trip device Jun. 25, 1991
5005954 Method and apparatus for second-rank tensor generation Apr. 9, 1991

1 2 3


 
 
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