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. 19, 1988
Filed:
Oct. 14, 1986
Applicant:
Inventor:
Walter Weishaupt, Munich, DE;
Assignee:
Bayerische Motoren Werke, AG, Munich, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B60R / ;
U.S. Cl.
CPC ...
180287 ; 307 / ; 340 64 ;
Abstract
In a security installation for motor vehicles with a stationary transponder installed at the motor vehicle for producing a coded interrogating signal, with a portable transponder for receiving the coded interrogating signal and for transmitting a coded response signal and with a coded signal comparator which in case of matching of the coded response signal with an expected coded signal produces an unlocking signal, the switching signal is produced with the aid of a manually actuatable switch arranged at the motor vehicle which is connected with an actuating member provided already for the use of the motor vehicle.