Featured patents

Information Processing Apparatus, Information Processing Method and Program
US 08738674 B2, May 27, 2014, Particular function performed, Yoshiyuki Kobayashi / Sony Corporation (Tokyo, JP)
An information processing apparatus, comprising:…

CORDIC-based FFT and IFFT Apparatus and Method
US 08706787 B2, April 22, 2014, Fast Fourier Transform, James Awuor Oduor Okello / NEC Corporation (Tokyo, JP)
An apparatus for performing a 2-point FFT, wherein first and second complex input…

High-Speed System Having Compensation for Distortion in a Digital-To-Analog Converter
US 08694569 B2, April 8, 2014, Finite arithmetic effect, Tzu-Chieh Kuo et al. / Pentomics, Inc. (Pasadena, US)
A multiple-input, multiple-output system, comprising:…

Resolving Buffer Underflow/Overflow in a Digital System
US 08650238 B2, Feb. 11, 2014, Arithmetical operation, Song Wang et al. / QUALCOMM Incorporated (San Diego, US)
A method of resolving buffer underflow/overflow, comprising:…

N-Digit Subtraction Unit, N-Digit Subtraction Module, N-Digit Addition Unit and N-Digit Addition Module
US 08606842 B2, Dec. 10, 2013, Binary, Jin Sato et al. / Tokyo Denki University (Tokyo, JP)
An N-digit subtraction unit comprising:…

Discrete Fourier Transform in an Integrated Circuit Device
US 08601044 B2, Dec. 3, 2013, Fourier, Martin Langhammer / Altera Corporation (San Jose, US)
Circuitry for performing a Discrete Fourier Transform operation, said circuitry…

Arrangement for Generating Poly-Phase Sequences
US 08533247 B2, Sept. 10, 2013, Direct digital frequency synthesizer, Adrian Schumacher / Rohde & Schwarz GmbH & Co. KG (Munich, DE)
An electronic circuit for generating poly-phase sequences, comprising: a first…

Calculating Large Precision Common Logarithms
US 08510360 B2, Aug. 13, 2013, Logarithmic / exponential, Paul Anderson et al. / International Business Machines Corporation (Armonk, US)
A computer-implemented method for calculating a logarithm to a specified…

Method for Use in a Digital Frequency Synthesizer
US 08473534 B2, June 25, 2013, Direct digital frequency synthesizer, Yang Zhang / Telefonaktiebolaget L M Ericsson (publ) (Stockholm, SE
A method for use in a digital frequency synthesizer, the method comprising phase…

Computing Time-Decayed Aggregates Under Smooth Decay Functions
US 08484269 B2, July 9, 2013, Function generation, Srikanta Tirthapura et al. / AT&T Intellectual Property I, L.P. (Atlanta, US)
A method for calculating a time-decayed aggregate from a data stream comprising…

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