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:
Nov. 01, 2005
Filed:
Oct. 04, 2001
Motoi Hisamoto, Tokyo, JP;
Katsuyuki Sumimoto, Tokyo, JP;
Motoi Hisamoto, Tokyo, JP;
Katsuyuki Sumimoto, Tokyo, JP;
Mitsubishi Denki Kabushiki Kaisha, Tokyo, JP;
Abstract
A method and an apparatus for protecting an engine starter of a motor vehicle against overheating with enhanced reliability by controlling turn-on/off of the starter in dependence on a conducting current of the starter, a starter temperature and an ambient temperature. The apparatus includes a voltage detecting system () for measuring a supply voltage (Vs) of the engine starter, a voltage waveform information detecting system () for detecting at least one of frequency information and amplitude information of a waveform representing variation of the supply voltage (Vs) as voltage waveform information (T), an a conduction time control system (A) for controlling a conduction time period of the engine starter in accordance with the voltage waveform information (T).