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. 05, 2008
Filed:
Jan. 29, 2007
Kohei Sakurai, Hitachi, JP;
Nobuyasu Kanekawa, Hitachi, JP;
Minoru Ohsuga, Hitachinaka, JP;
Masatoshi Hoshino, Tsuchiura, JP;
Yoichi Iihoshi, Tsuchiura, JP;
Yutaka Takaku, Mito, JP;
Kohei Sakurai, Hitachi, JP;
Nobuyasu Kanekawa, Hitachi, JP;
Minoru Ohsuga, Hitachinaka, JP;
Masatoshi Hoshino, Tsuchiura, JP;
Yoichi Iihoshi, Tsuchiura, JP;
Yutaka Takaku, Mito, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
The present invention provides a vehicle diagnostic system comprising an electronic control unit for controlling and monitoring vehicle equipment, a radio communication means for transmitting a vehicle diagnostic information to a telecommunication equipment located outside the vehicle or for communicating between the vehicle and the telecommunication equipment located outside the vehicle and for transmitting a communication diagnostic signal to the electronic control unit and receiving a response signal to the communication diagnostic signal, and a communication line for connecting the electronic control unit and the radio communication means wherein the response signal is utilized to determine if the communication line is properly functional.