The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 7480812 B1

PDF
Full Text
Expired
Date of Patent:
Jan. 20, 2009

Filed:

Jun. 24, 2005
Applicants:

Ryosuke Kito, Kawasaki, JP;

Masayuki Tsuji, Kawasaki, JP;

Inventors:

Ryosuke Kito, Kawasaki, JP;

Masayuki Tsuji, Kawasaki, JP;

Assignee:

Fujitsu Limited, Kawasaki, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 1/32 (2006.01);
U.S. Cl.
CPC ...
Abstract

A processor core adopts a pipeline processing method and has an interlock mechanism. A built-in accelerator executes a specific processing in place of the processor core. When a processing is executed by the built-in accelerator and there is no processing to be executed by the processor core, the interlock mechanism stops and restarts the pipeline processing in response to a start of processing and a processing completion of the built-in accelerator, respectively. A processing-completion waiting operation to the built-in accelerator is implemented by using the interlock mechanism, and thus useless power consumption of the processor core during the processing of the built-in accelerator can be easily reduced.


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Kito, Ryosuke. (2009). Microprocessor (U.S. Patent No. 7480812). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7480812

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