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. 24, 1979
Filed:
Oct. 07, 1977
Applicant:
Inventors:
Paul Hensler, Stuttgart, DE;
Wolfgang Eyb, Leonberg, DE;
Richard Hetmann, Tamm, DE;
Hermann Burst, Rutesheim, DE;
Assignee:
Porsche AG, , DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B60R / ; G08B / ;
U.S. Cl.
CPC ...
340 64 ; 307 / ; 180114 ;
Abstract
A theft protection arrangement for motor vehicles which includes a lock system having a main key and an auxiliary key. Electrical contact switches are operatively associated with at least one of a vehicle door, a vehicle hood, and a vehicle lid for monitoring the conditions thereof. An electrical switching apparatus operatively connects the electrical contact switches with the lock system such that, during an unauthorized entry of the vehicle door, vehicle hood, or vehicle lid, an alarm system is activated and/or parts of the vehicle necessary for a driving operation are disconnected.