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Class Information
Number: 708/490
Name: Electrical computers: arithmetic processing and calculating > Electrical digital calculating computer > Particular function performed > Arithmetical operation
Description: Subject matter wherein numerical quantities form the elements of the calculation, including the fundamental operations of arithmetic (addition, subtraction, multiplication, comparison, and division).


Sub-classes under this class:

Class Number Class Name Patents
708/670 Addition/subtraction 185
708/604 All four basic functions 8
708/540 Cathode-ray tube 2
708/550 Compensation for finite word length 47
708/541 Contact-making device 1
708/650 Division 161
708/530 Error detection or correction 87
708/606 Evaluation of powers 73
708/605 Evaluation of root 107
708/495 Floating point 164
708/492 Galois field 251
708/494 Incremental mode 6
708/517 Logarithmic format 58
708/520 Matrix array 151
708/493 Multi-valued 97
708/524 Multiple parallel operations 94
708/523 Multiplication followed by addition (i.e., x*y+z) 148
708/607 Multiplication of matrices 88
708/620 Multiplication 208
708/519 Negative radix 4
708/521 Pipeline 45
708/542 Radix point control 20
708/491 Residue number 242
708/525 Status condition/flag generation or use 128
708/603 Sum of products generation 163
708/522 Systolic 15
708/518 Variable length 107


Patents under this class:
1 2 3 4 5 6

Patent Number Title Of Patent Date Issued
7620674 Method and apparatus for enhanced estimation of an analyte property through multiple region transformation Nov. 17, 2009
7610325 System(s), method(s), and apparatus for detecting end of slice groups in a bitstream Oct. 27, 2009
7592937 CABAC decoding unit and method Sep. 22, 2009
7590677 Processor with summation instruction using overflow counter Sep. 15, 2009
7587582 Method and apparatus for parallel arithmetic operations Sep. 8, 2009
7548942 Base four processor Jun. 16, 2009
7546443 Providing extended precision in SIMD vector arithmetic operations Jun. 9, 2009
7543012 Method and apparatus to perform squaring operation in finite field Jun. 2, 2009
7539719 Method and apparatus for performing multiplication in finite field GF(2.sup.n) May. 26, 2009
7516171 Arithmetic unit and method for data storage and reading Apr. 7, 2009
7512946 Scheduling method and system for controlling execution of processes Mar. 31, 2009
7509365 Inverting data on result bus to prepare for instruction in the next cycle for high frequency execution units Mar. 24, 2009
7509486 Encryption processor for performing accelerated computations to establish secure network sessions connections Mar. 24, 2009
7508936 Hardware accelerator for elliptic curve cryptography Mar. 24, 2009
7505585 Method of generating cryptographic key using elliptic curve and expansion in joint sparse form and using same Mar. 17, 2009
7496620 Calculation apparatus Feb. 24, 2009
7486789 Device and method for calculation on elliptic curve Feb. 3, 2009
7483037 Resampling chroma video using a programmable graphics processing unit to provide improved color rendering Jan. 27, 2009
7428565 Logical operation circuit and logical operation device Sep. 23, 2008
7426529 Processor and method for a simultaneous execution of a calculation and a copying process Sep. 16, 2008
7424503 Pipelined accumulators Sep. 9, 2008
7421465 Arithmetic early bypass Sep. 2, 2008
7412474 Montgomery modular multiplier using a compressor and multiplication method Aug. 12, 2008
7395294 Arithmetic logic unit Jul. 1, 2008
7392272 Calculation device and calculation method Jun. 24, 2008
7389416 Method of verifiably sharing a secret in potentially asynchronous networks Jun. 17, 2008
7380099 Apparatus and method for an address generation circuit May. 27, 2008
7319750 Digital circuit apparatus and method for accelerating preliminary operations for cryptographic processing Jan. 15, 2008
7317794 Enciphering and deciphering apparatus, and enciphering and deciphering method Jan. 8, 2008
7313582 Arithmetic functions in torus and tree networks Dec. 25, 2007
7287051 Multi-functional digital signal processing circuitry Oct. 23, 2007
7228325 Bypassable adder Jun. 5, 2007
7219116 Data processing apparatus May. 15, 2007
7194089 Method for reducing a value modulo a shared secret Mar. 20, 2007
7191201 Arithmetic processing apparatus Mar. 13, 2007
7187770 Method and apparatus for accelerating preliminary operations for cryptographic processing Mar. 6, 2007
7176924 Computer method and apparatus for creating visible graphics by using a graph algebra Feb. 13, 2007
7170997 Method of generating pseudo-random numbers in an electronic device, and a method of encrypting and decrypting electronic data Jan. 30, 2007
7164290 Field programmable gate array logic unit and its cluster Jan. 16, 2007
7157934 Programmable asynchronous pipeline arrays Jan. 2, 2007
7159100 Method for providing extended precision in SIMD vector arithmetic operations Jan. 2, 2007
7155473 High-speed parallel-prefix modulo 2n-1 adders Dec. 26, 2006
7149765 Apparatus and method for precision binary numbers and numerical operations Dec. 12, 2006
7146395 Banyan switched processor datapath Dec. 5, 2006
7143085 Optimization of server selection using euclidean analysis of search terms Nov. 28, 2006
7136891 Arithmetic and relational operations Nov. 14, 2006
RE39385 Method and apparatus for performing mathematical functions using polynomial approximation and a rectangular aspect ratio multiplier Nov. 7, 2006
7124160 Processing architecture having parallel arithmetic capability Oct. 17, 2006
7120248 Multiple prime number generation using a parallel prime number search algorithm Oct. 10, 2006
7117237 Information processing system, encryption/decryption system, system LSI, and electronic equipment Oct. 3, 2006

1 2 3 4 5 6


 
 
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