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.:

US 6917871 B1

PDF
Full Text
Expired
Date of Patent:
Jul. 12, 2005

Filed:

Sep. 26, 2003
Applicants:

Kentaro Jumonji, Hitachinaka, JP;

Hayato Sugawara, Hitachinaka, JP;

Inventors:

Kentaro Jumonji, Hitachinaka, JP;

Hayato Sugawara, Hitachinaka, JP;

Assignees:

Hitachi, Ltd., Tokyo, JP;

Hitachi Car Engineering Co., Ltd., Hitachinaka, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B60T008/32 ;
U.S. Cl.
CPC ...
Abstract

A power source control method of a car control unit in which control takes place according to the control unit temperature or the control of a semiconductor device in the control unit. The temperature of a throttle device is detected using a thermistor and is compared with the reference temperature. Depending on the comparison result, a relay for controlling the power supply to the throttle device is controlled. When the temperature of the throttle control unit rises higher than the reference temperature, the main power source of the throttle deviceis interrupted.


Find Patent Forward Citations

Jumonji, Kentaro. (2005). Car control unit (U.S. Patent No. 6917871). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6917871

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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