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:
Jul. 19, 2011
Filed:
Sep. 22, 2009
Katsutoyo Misawa, Nukata-gun, JP;
Masato Rinnai, Nukata-gun, JP;
Toshihiko Matsuoka, Nukata-gun, JP;
Hideaki Ishihara, Okazaki, JP;
Katsutoyo Misawa, Nukata-gun, JP;
Masato Rinnai, Nukata-gun, JP;
Toshihiko Matsuoka, Nukata-gun, JP;
Hideaki Ishihara, Okazaki, JP;
DENSO CORPORATION, Kariya, JP;
Abstract
A communication system includes: a master; a plurality of slaves; and a bus for coupling among the master and the plurality of slaves in order to communicate asynchronously among the master and the plurality of slaves. The master supplies electricity to the bus in a power supply period. The master or the slave drives the bus for transmitting a one-bit data through the bus in a data transmission period. The power supply period and the data transmission period are successively performed so that data communication provided by a plurality of one-bit periods is performed among the master and the plurality of slaves. The master finely changes a communication frequency in the data communication. The master changes a drive level of the bus within a predetermined acceptable range in the data communication.