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:
Sep. 10, 1996
Filed:
Apr. 27, 1995
Applicant:
Inventors:
Gary F Jablonski, Ypsilanti, MI (US);
Henry J Ewald, Livonia, MI (US);
Assignee:
Ford Motor Company, Dearborn, MI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F / ; G06F / ; G08C / ; B60R / ;
U.S. Cl.
CPC ...
340825310 ; 34082534 ; 34082569 ; 307 102 ;
Abstract
A security system and method is provided for one way communication between a remote transmitter and a receiver which enables a function such unlocking the doors or disarming a security system. The system uses a three part security code having one part which is a pseudo-randomly generated function, one part which is a permanently assigned code to the transmitter/receiver combination and one part which is based on the number of transmissions transmitted by the transmitter.