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:
Aug. 03, 2004
Filed:
Feb. 21, 2001
Applicant:
Inventors:
Yoshiaki Takenaka, Tokyo, JP;
Takuro Noda, Tokyo, JP;
Yoshiyuki Takaku, Tokyo, JP;
Takayoshi Shimizu, Tokyo, JP;
Assignee:
Sony Corporation, Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 1/32 ;
U.S. Cl.
CPC ...
G06F 1/32 ;
Abstract
An electronic system comprising a master device and a slave device which are interconnected via a suitable data bus, which have an independent power supply input each, and which exchange data therebetween. Upon judging the slave device to have been switched off, the master device turns off its own power supply in synchronism with the deactivated slave device.