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07/24/08 - USPTO Class 713 |  180 views | #20080178021 | Prev - Next | About this Page  713 rss/xml feed  monitor keywords

Power efficiency in microprocessors

USPTO Application #: 20080178021
Title: Power efficiency in microprocessors
Abstract: A method of reducing the power consumption of microprocessor system is provided, wherein: said microprocessor system comprises a microprocessor (2) and a memory (4) connected by a bus (6); said memory (4) contains a plurality of data values, each represented by a number of bits, for transmission to said microprocessor (2) via the bus (6); and at least some of said data values contain unused bits; and wherein said method includes assigning values to said unused bits in such a way as to reduce the Hamming distance between successive data values by a greater extent than setting all of said unused bits to an arbitrary predetermined value. (end of abstract)



Agent: At&t Corp. - Bedminster, NJ, US
Inventors: Alan Mycroft, Paul Webster, Phil Endecott
USPTO Applicaton #: 20080178021 - Class: 713320 (USPTO)

Power efficiency in microprocessors description/claims


The Patent Description & Claims data below is from USPTO Patent Application 20080178021, Power efficiency in microprocessors.

Brief Patent Description - Full Patent Description - Patent Application Claims
  monitor keywords CROSS REFERENCE TO RELATED APPLICATIONS

This application is a continuation of U.S. patent application Ser. No. 10/478,168, filed Aug. 25, 2004, which claims the benefit of International Patent Application No. PCT/GB02/02034, filed May 2, 2002, which claims priority to Great Britain Patent Application No. 0112276.1, filed May 19, 2001.

FIELD OF THE INVENTION

The invention relates to improved power efficiency in microprocessors.

BACKGROUND OF THE INVENTION

The concept of Hamming distance will first be described. The Hamming distance between two binary numbers is the count of the number of bits that differ between them. For example:

Numbers in binary (inc.

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Brief Patent Description - Full Patent Description - Patent Application Claims

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Data structure for budgeting power for multiple devices
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Semiconductor integrated circuit device and electronic device
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Electrical computers and digital processing systems: support

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