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:
Mar. 07, 1989
Filed:
Apr. 10, 1986
Applicant:
Inventor:
Shouji Akutsu, Tokyo, JP;
Assignee:
Kokusan Kinzoku Kogyo Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F / ;
U.S. Cl.
CPC ...
34082531 ; 34082569 ; 70257 ; 180287 ; 307 102 ;
Abstract
An external controller embodied in a portable card communicates by wireless signal with a controller mounted internally of a vehicle to control locking and unlocking operations of the vehicle doors in response to coincidence between codes respectively stored in the internal vehicle controller and the external controller, and manually entered through door switches mounted externally of the vehicle. Such door opening operation may be performed even with the portable card unintentionally left in the vehicle.