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Class Information
Number: 708/420
Name: Electrical computers: arithmetic processing and calculating > Electrical digital calculating computer > Particular function performed > Convolution
Description: Subject matter which the convolution integral is evaluated in a digital fashion.


Sub-classes under this class:

Class Number Class Name Patents
708/421 Cyclic/circular 20


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
7596472 Device for synthesis of a composite digital signal with explicit control of the first three moments thereof Sep. 29, 2009
7580965 Discrete-time convolution cycle reduction with programmable digital signal processor Aug. 25, 2009
7555513 SIMD processor having enhanced operand storage interconnects Jun. 30, 2009
7409673 XML document editor Aug. 5, 2008
7333539 High order filters with controllable delay and performance Feb. 19, 2008
7289558 Infinite impulse response multiplierless digital filter architecture Oct. 30, 2007
7257609 Multiplier and shift device using signed digit representation Aug. 14, 2007
7227902 Method and apparatus for digital channelisation and de-channelisation Jun. 5, 2007
7107304 Single-channel convolution in a vector processing computer system Sep. 12, 2006
7085795 Apparatus and method for efficient filtering and convolution of content data Aug. 1, 2006
7072429 Filter coefficient setting technique for variable filtering process and variable sampling frequency conversion Jul. 4, 2006
7027970 Tool for in vitro-in vivo correlation Apr. 11, 2006
6912323 Method and apparatus for fast signal convolution using separated-spline kernel Jun. 28, 2005
6900381 Method for removing aliasing in wave table based synthesizers May. 31, 2005
6735346 HD fourier transforms for irregularly sampled data May. 11, 2004
6700521 Interpolating function generating apparatus and method, digital-analog converter, data interpolator, program, and record medium Mar. 2, 2004
6701028 Method and apparatus for fast signal convolution using spline kernel Mar. 2, 2004
6643412 Method and apparatus for high speed convolution Nov. 4, 2003
6611855 Flexible and efficient channelizer architecture Aug. 26, 2003
6590510 Sample rate converter Jul. 8, 2003
6584482 Multiplier array processing system with enhanced utilization at lower precision Jun. 24, 2003
6574649 Efficient convolution method and apparatus Jun. 3, 2003
6477555 Method and apparatus for performing rapid convolution Nov. 5, 2002
6421697 Variants on low-latency convolution-smooth updating of filter response using crossfades Jul. 16, 2002
6408107 Rapid convolution based large deformation image matching via landmark and volume imagery Jun. 18, 2002
6393451 Flexibility enhancement to the modified fast convolution algorithm May. 21, 2002
6330373 Real-time detailed scene convolver Dec. 11, 2001
6266687 Flexibility enhancement to the modified fast convolution algorithm Jul. 24, 2001
6247035 Reduced complexity and increased flexibility modified fast convolution algorithm Jun. 12, 2001
6201175 Waveform reproduction apparatus Mar. 13, 2001
6195596 Motion effector controller for use in a virtual reality system Feb. 27, 2001
6061200 In-drive correction of servo pattern errors May. 9, 2000
6018597 Method and apparatus for changing or mapping video or digital images from one image density to another Jan. 25, 2000
5951628 Method and system for performing a convolution operation Sep. 14, 1999
5926580 Convolution algorithm for efficient hardware implementation Jul. 20, 1999
5917961 Image convolution using pre-calculated lookup tables Jun. 29, 1999
5852566 Apparatus for reducing quantization distortion Dec. 22, 1998
5822609 Processing circuit for performing a convolution computation Oct. 13, 1998
5659780 Pipelined SIMD-systolic array processor and methods thereof Aug. 19, 1997
5604824 Method and apparatus for compression and decompression of documents and the like using splines and spline-wavelets Feb. 18, 1997
5583954 Methods and apparatus for fast correlation Dec. 10, 1996
5537344 High-speed processing apparatus and method, signal analyzing system, and measurement apparatus and method Jul. 16, 1996
5530661 Data bit-slicing apparatus and method for computing convolutions Jun. 25, 1996
5523758 Sliding correlator for nanosecond pulses Jun. 4, 1996
5511015 Double-accumulator implementation of the convolution function Apr. 23, 1996
5471627 Systolic array image processing system and method Nov. 28, 1995
5342990 Digital sampling instrument employing cache-memory Aug. 30, 1994
5311459 Selectively configurable integrated circuit device for performing multiple digital signal processing functions May. 10, 1994
5307299 Circuit arrangement for the digital processing of semiconductor detector signals Apr. 26, 1994
5278910 Apparatus and method for speech signal level change suppression processing Jan. 11, 1994

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