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.:
Date of Patent:
Feb. 23, 1999
Filed:
Jul. 01, 1996
Shinji Matsushima, Yokohama, JP;
Seiichi Kawano, Sagamihara, JP;
Masayoshi Nakano, Yokohama, JP;
Takashi Inui, Yokohama, JP;
International Business Machines Corporation, Armonk, NY (US);
Abstract
An information processing system which has (a) a CPU that is operated in a normal mode during which the CPU is driven at a relatively fast operating clock rate, and a power saving mode during which the operating clock has a lower rate or is halted; (b) at least one peripheral device; (c) a bus for performing communication between the CPU and the peripheral device; (d) a termination detector detecting a completion of a predetermined transaction between the CPU and the peripheral device; (e) a time counter measuring a predetermined period of time after the completion of the predetermined transaction; and (f) a power saving control causing the CPU enter the power saving mode until the time counted by the time counting means reaches the predetermined period of time.