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Class Information
Number: 708/813
Name: Electrical computers: arithmetic processing and calculating > Electrical analog calculating computer > Particular function performed > Correlation or convolution
Description: Subject matter for evaluating cross-correlation, auto-correlation, cross-convolution or auto-convolution functions.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7471747 |
Bit down-scaling apparatus and method, GPS synchronization acquisition method, and GPS receiver |
Dec. 30, 2008 |
| 7146396 |
Method and apparatus of convolving signals |
Dec. 5, 2006 |
| 6701028 |
Method and apparatus for fast signal convolution using spline kernel |
Mar. 2, 2004 |
| 6647406 |
Sum of product circuit and inclination detecting apparatus |
Nov. 11, 2003 |
| 6236951 |
Sensor interrogation |
May. 22, 2001 |
| 6101518 |
Arithmetic unit, correlation arithmetic unit and dynamic image compression apparatus |
Aug. 8, 2000 |
| 6070183 |
Arithmetic unit, correlation arithmetic unit and dynamic image compression apparatus |
May. 30, 2000 |
| 6055264 |
Method and apparatus for fast acquisition and multipath search in a spread spectrum system |
Apr. 25, 2000 |
| 5982164 |
Doppler triangulation transmitter location system |
Nov. 9, 1999 |
| 5719797 |
Simulator for smart munitions testing |
Feb. 17, 1998 |
| 5666518 |
Pattern recognition by simulated neural-like networks |
Sep. 9, 1997 |
| 5521857 |
Process and device for the analog convolution of images |
May. 28, 1996 |
| 5319268 |
Circuits for wide input range analog rectification and correlation |
Jun. 7, 1994 |
| 5272923 |
Inspection apparatus |
Dec. 28, 1993 |
| 5220230 |
Surface acoustic wave device |
Jun. 15, 1993 |
| 5203823 |
Detecting apparatus |
Apr. 20, 1993 |
| 5189712 |
Correlation detector for images |
Feb. 23, 1993 |
| 5113367 |
Cross entropy deconvolver circuit adaptable to changing convolution functions |
May. 12, 1992 |
| RE33875 |
Spread-spectrum communication system |
Apr. 7, 1992 |
| 5099156 |
Subthreshold MOS circuits for correlating analog input voltages |
Mar. 24, 1992 |
| 5080464 |
Optical neural network apparatus using primary processing |
Jan. 14, 1992 |
| 5020113 |
Maskable bilevel correlators |
May. 28, 1991 |
| 5001723 |
Sinusoidal M-ary orthogonal keyed decoding |
Mar. 19, 1991 |
| 4930099 |
Wavefront vector correlation processor and method |
May. 29, 1990 |
| 4905296 |
System for shape recognition |
Feb. 27, 1990 |
| 4866660 |
Optoelectraulic devices based on interference induced carrier modulation |
Sep. 12, 1989 |
| 4853903 |
Method and apparatus for removing sinusoidal noise from seismic data |
Aug. 1, 1989 |
| 4849925 |
Maximum entropy deconvolver circuit based on neural net principles |
Jul. 18, 1989 |
| 4843309 |
Waveform timing alignment system for digital oscilloscopes |
Jun. 27, 1989 |
| 4833637 |
Acousto-optic multi-channel space integrating correlator |
May. 23, 1989 |
| 4833636 |
Analog, two signal correlator |
May. 23, 1989 |
| 4809213 |
Two-track convolver operating with acoustic waves and with suppression of self-convolution signals |
Feb. 28, 1989 |
| 4803644 |
Alignment mark detector for electron beam lithography |
Feb. 7, 1989 |
| 4800518 |
Differential correlator circuit |
Jan. 24, 1989 |
| 4750148 |
Optical Gaussian convolvers |
Jun. 7, 1988 |
| 4730267 |
Combination integrate and dump filter and level detector |
Mar. 8, 1988 |
| 4720871 |
Digital image convolution processor method and apparatus |
Jan. 19, 1988 |
| 4709381 |
CCD focal plane array convolver |
Nov. 24, 1987 |
| 4698827 |
Generalized polyphase code pulse compressor |
Oct. 6, 1987 |
| 4695972 |
Correlator having spurious signal cancellation circuitry |
Sep. 22, 1987 |
| 4695973 |
Real-time programmable optical correlator |
Sep. 22, 1987 |
| 4688198 |
Entropy guided deconvolution of seismic signals |
Aug. 18, 1987 |
| 4676640 |
Fluctuation analysis for enhanced particle detection |
Jun. 30, 1987 |
| 4670854 |
Optical cross-correlation and convolution apparatus |
Jun. 2, 1987 |
| 4669054 |
Device and method for optically correlating a pair of images |
May. 26, 1987 |
| 4654814 |
Bit/1 bit digital correlator |
Mar. 31, 1987 |
| 4651293 |
Image processing system comprising dither screen size selection based on image periodicity |
Mar. 17, 1987 |
| 4641273 |
General time, space and frequency multiplexed acousto-optic correlator |
Feb. 3, 1987 |
| 4616333 |
Data correlation system |
Oct. 7, 1986 |
| 4592009 |
MSK surface acoustic wave convolver |
May. 27, 1986 |
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