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Class Information
Number: 708/523
Name: Electrical computers: arithmetic processing and calculating > Electrical digital calculating computer > Particular function performed > Arithmetical operation > Multiplication followed by addition (i.e., x*y+z)
Description: Subject matter wherein the operation performed is a multiplication followed by an addition.

Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
8706791 Low power fir filter in multi-MAC architecture Apr. 22, 2014
8667042 Functional unit for vector integer multiply add instruction Mar. 4, 2014
8667046 Generalized programmable counter arrays Mar. 4, 2014
8649508 System and method for implementing elliptic curve scalar multiplication in cryptography Feb. 11, 2014
8645450 Multiplier-accumulator circuitry and methods Feb. 4, 2014
8606840 Apparatus and method for floating-point fused multiply add Dec. 10, 2013
8595280 Apparatus and method for performing multiply-accumulate operations Nov. 26, 2013
8589465 Digital signal processing circuit blocks with support for systolic finite-impulse-response digital filtering Nov. 19, 2013
8543634 Specialized processing block for programmable integrated circuit device Sep. 24, 2013
8533250 Multiplier with built-in accumulator Sep. 10, 2013
8521800 Interconnected arithmetic logic units Aug. 27, 2013
8495122 Programmable device with dynamic DSP architecture Jul. 23, 2013
8495124 Decimal floating point mechanism and process of multiplication without resultant leading zero detection Jul. 23, 2013
8489665 Communication apparatus, method of checking received data size, multiple determining circuit, and multiple determination method Jul. 16, 2013
8463832 Digital signal processing block architecture for programmable logic device Jun. 11, 2013
8463834 Floating point multiplier with first and second partial product shifting circuitry for result alignment Jun. 11, 2013
8458243 Digital signal processing circuit blocks with support for systolic finite-impulse-response digital filtering Jun. 4, 2013
8447800 Mode-based multiply-add recoding for denormal operands May. 21, 2013
8438208 Processor and method for implementing instruction support for multiplication of large operands May. 7, 2013
8417760 Device and method for calculating a multiplication addition operation and for calculating a result of a modular multiplication Apr. 9, 2013
8396911 Data processing device Mar. 12, 2013
8346838 Method and apparatus for efficient integer transform Jan. 1, 2013
8332452 Single precision vector dot product with "word" vector write mask Dec. 11, 2012
8316071 Arithmetic processing unit that performs multiply and multiply-add operations with saturation and method therefor Nov. 20, 2012
8301681 Specialized processing block for programmable logic device Oct. 30, 2012
8280940 Data processing apparatus with shadow register and method thereof Oct. 2, 2012
8266199 Specialized processing block for programmable logic device Sep. 11, 2012
8266198 Specialized processing block for programmable logic device Sep. 11, 2012
8239439 Method and apparatus implementing a minimal area consumption multiple addend floating point summation function in a vector microprocessor Aug. 7, 2012
8239440 Processor which implements fused and unfused multiply-add instructions in a pipelined manner Aug. 7, 2012
8239441 Leading zero estimation modification for unfused rounding catastrophic cancellation Aug. 7, 2012
8200725 Arithmetic processing system and method thereof Jun. 12, 2012
8190669 Multipurpose arithmetic functional unit May. 29, 2012
8112466 Field programmable gate array Feb. 7, 2012
8090758 Enhanced multiplier-accumulator logic for a programmable logic device Jan. 3, 2012
8078660 Bridge fused multiply-adder circuit Dec. 13, 2011
8078661 Multiple-word multiplication-accumulation circuit and montgomery modular multiplication-accumulation circuit Dec. 13, 2011
8065356 Datapipe synchronization device Nov. 22, 2011
8051121 Dual multiply-accumulator operation optimized for even and odd multisample calculations Nov. 1, 2011
8046399 Fused multiply-add rounding and unfused multiply-add rounding in a single multiply-add module Oct. 25, 2011
8041759 Specialized processing block for programmable logic device Oct. 18, 2011
8036165 Channel allocation method for allocating channels to terminal apparatuses to be communicated and base station apparatus utilizing the same Oct. 11, 2011
8015229 Apparatus and method for performing efficient multiply-accumulate operations in microprocessors Sep. 6, 2011
8005210 Modulus scaling for elliptic-curve cryptography Aug. 23, 2011
8001360 Method and software for partitioned group element selection operation Aug. 16, 2011
7986779 Efficient elliptic-curve cryptography based on primality of the order of the ECC-group Jul. 26, 2011
7987222 Method and apparatus for implementing a multiplier utilizing digital signal processor block memory extension Jul. 26, 2011
7987344 Multithreaded programmable processor and system with partitioned operations Jul. 26, 2011
7982496 Bus-based logic blocks with optional constant input Jul. 19, 2011
7978846 Scale-invariant barrett reduction for elliptic-curve cyrptography Jul. 12, 2011

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