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:
Dec. 02, 2008
Filed:
Mar. 09, 2006
Yo Yanagida, Shizuoka-ken, JP;
Terumitsu Sugimoto, Shizuoka-ken, JP;
Yo Yanagida, Shizuoka-ken, JP;
Terumitsu Sugimoto, Shizuoka-ken, JP;
Yazaki Corporation, Tokyo, JP;
Abstract
A power line communication system includes a master ECU for supplying electric power, a plurality of slave ECUS and a plurality of power-supply lines connecting the slave ECUS to the master ECU respectively. The power-supply lines including at least one first power-supply line on which a control signal is superimposed and at least one second power-supply line on which no control signal is superimposed. The control signal is superimposed on the first power-supply line by the master ECU and also communicated between the master ECU and the slave ECUS connected to the first power-supply line. Impedance per unit length of the first power-supply line is set smaller than impedance per unit length of the second power-supply line.