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:
Apr. 10, 2012
Filed:
Mar. 24, 2008
Katsumi Sakai, Toyama, JP;
Koki Goto, Toyama, JP;
Hajime Takata, Toyama, JP;
Kunihiro Ohta, Toyota, JP;
Katsumi Sakai, Toyama, JP;
Koki Goto, Toyama, JP;
Hajime Takata, Toyama, JP;
Kunihiro Ohta, Toyota, JP;
SMK Corporation, Tokyo, JP;
Toyota Jidosha Kabushiki Kaisha, Toyota-shi, JP;
Abstract
A power line communication system which enables high quality communication utilizing a pair of power lines connected to a vehicle mounted battery, has a pair of communication lines connected to a pair of power lines, respectively, to communicate a high frequency signal of 1 MHz or more. This system has a balance filter which is interposed between each of the communication lines and a vehicle mounted communication apparatus, the filter, a circuit configuration of which is formed in balance type. The communication system also has a pair of electrically balanced lines which are connected between the balance filter and each of the communication apparatuses and are power-fed from the battery, for performing communication between the communication apparatuses.