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:
Sep. 30, 2003
Filed:
Jul. 08, 2002
Applicant:
Inventor:
Susumu Akiyama, Kariya, JP;
Assignee:
Denso Corporation, Kariya, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G05B 1/00 ; G05B 3/00 ;
U.S. Cl.
CPC ...
G05B 1/00 ; G05B 3/00 ;
Abstract
A vehicular communication system communicates information among a plurality of ECUs installed in a vehicle. The communication system includes a plurality of transceiver circuits for communicating information, and each transceiver circuit is provided in an associated one of the ECUs. The transceiver circuits are divided into groups of transceiver circuits. Each transceiver circuit of a given group communicates with the transceiver circuits of the same group using one of a predetermined communication frequency and a predetermined code, which is allocated to the given group and is different from that of any other group.