


Class Information
Number: 708/210
Name: Electrical computers: arithmetic processing and calculating > Electrical digital calculating computer > Particular function performed > Determining number of likevalued bits in word
Description: Subject matter where the number of 1"s or the number of 0"s in a binary word is determined.
Patents under this class:
Patent Number 
Title Of Patent 
Date Issued 
8560586 
Linear bit counting implementations 
Oct. 15, 2013 
8533246 
Carry bucketaware multiplication having bits with most significant bits set to zero 
Sep. 10, 2013 
8495118 
Tunable random bit generator with magnetic tunnel junction 
Jul. 23, 2013 
8447796 
Apparatus with a vector generation unit and encoder for receiving first and second inputs to generate at least significant zero (LSZ) 
May. 21, 2013 
8327119 
Apparatus and method for executing fast bit scan forward/reverse (BSR/BSF) instructions 
Dec. 4, 2012 
8214414 
Combined set bit count and detector logic 
Jul. 3, 2012 
8037120 
System and method for an efficient comparison operation of multibit vectors in a digital logic circuit 
Oct. 11, 2011 
8015230 
Fast modular zero sum and ones sum determination 
Sep. 6, 2011 
8010586 
Apparatus and method of generating DBI signal in semiconductor integrated circuit 
Aug. 30, 2011 
8005880 
Half width counting leading zero circuit 
Aug. 23, 2011 
7958173 
Population count approximation circuit and method thereof 
Jun. 7, 2011 
7931190 
Circuit and method for correlated inputs to a population count circuit 
Apr. 26, 2011 
7603398 
Data converter and a delay threshold comparator 
Oct. 13, 2009 
7467150 
Blockaware encoding of bitmap for bitmap index eliminating maxslot restriction 
Dec. 16, 2008 
7139788 
Multiplication logic circuit 
Nov. 21, 2006 
7136888 
Parallel counter and a logic circuit for performing multiplication 
Nov. 14, 2006 
7116663 
Multifield classification using enhanced masked matching 
Oct. 3, 2006 
6963887 
Method and device for performing data pattern matching 
Nov. 8, 2005 
6938061 
Parallel counter and a multiplication logic circuit 
Aug. 30, 2005 
6889235 
Method and apparatus for quantifying the number of identical consecutive digits within a string 
May. 3, 2005 
6883011 
Parallel counter and a multiplication logic circuit 
Apr. 19, 2005 
6795839 
Method and device for computing the number of bits set to one in an arbitrary length word 
Sep. 21, 2004 
6781528 
Vector handling capable processor and run length encoding 
Aug. 24, 2004 
6754685 
Dynamic popcount/shift circuit 
Jun. 22, 2004 
6665691 
Circuit for detecting numbers equal to a power of two on a data bus 
Dec. 16, 2003 
6636881 
Binary data counter, area information extractor and huffman converter 
Oct. 21, 2003 
6516330 
Counting set bits in data words 
Feb. 4, 2003 
6513053 
Data processing circuit and method for determining the first and subsequent occurences of a predetermined value in a sequence of data bits 
Jan. 28, 2003 
6434488 
Alignment free methodology for rapid determination of differences between a test data set and known data sets 
Aug. 13, 2002 
6430251 
4Bit population count circuit 
Aug. 6, 2002 
6272511 
Weightless binary Ntuple thresholding hierarchies 
Aug. 7, 2001 
5995029 
Parallel bit counter using bit sorters 
Nov. 30, 1999 
5978827 
Arithmetic processing 
Nov. 2, 1999 
5948048 
Systems, methods and program products for representing a binary word as two binary words having fewer binary ones 
Sep. 7, 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 
5831877 
Bit searching through 8, 16, or 32 bit operands using a 32 bit data path 
Nov. 3, 1998 
5734599 
Performing a population count using multiplication 
Mar. 31, 1998 
5717616 
Computer hardware instruction and method for computing population counts 
Feb. 10, 1998 
5682405 
Ones density monitor 
Oct. 28, 1997 
5675617 
Synchronous protocol encoding and decoding method 
Oct. 7, 1997 
5666547 
Method and apparatus for framing a serial data stream 
Sep. 9, 1997 
5619437 
Parallel data counter circuit 
Apr. 8, 1997 
5604689 
Arithmetic logic unit with zeroresult prediction 
Feb. 18, 1997 
5602764 
Comparing prioritizing memory for string searching in a data compression system 
Feb. 11, 1997 
5570306 
Method and apparatus for recognizing a bit pattern in a string of bits, altering the string of bits, and removing the alteration from the string of bits 
Oct. 29, 1996 
5541865 
Method and apparatus for performing a population count operation 
Jul. 30, 1996 
5539683 
Method and device for processing, and detecting a state of, binary data 
Jul. 23, 1996 
5392229 
Graphics processing apparatus with video memory for storing graphics data 
Feb. 21, 1995 
5369605 
Incremental search content addressable memory for increased data compression efficiency 
Nov. 29, 1994 
5339447 
Ones counting circuit, utilizing a matrix of interconnected halfadders, for counting the number of ones in a binary string of image data 
Aug. 16, 1994 


