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. 17, 2007
Filed:
Dec. 09, 2003
Applicants:
Takeshi Kumazaki, Okazaki, JP;
Toshio Shimomura, Chiryu, JP;
Inventors:
Takeshi Kumazaki, Okazaki, JP;
Toshio Shimomura, Chiryu, JP;
Assignee:
Denso Corporation, Kariya, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04Q 1/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An electronic key system has a mobile unit and a vehicle unit. Lamps are disposed in each door handles of doors. The lamps light in different modes in accordance with states of doors, which include a locked state, an unlock-standby state, and an unlocked state. Accordingly, a user having the mobile unit can easily recognize the states of the doors when the user approaches the doors.