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:
Jun. 21, 1994
Filed:
Aug. 26, 1992
William E Boyles, Houston, TX (US);
The Friedkin Corporation, Houston, TX (US);
Abstract
An antitheft system for use with a vehicle. The vehicle used with the system has a battery for providing a constant voltage source and a ground reference, and an electrically-controlled operational feature, wherein activation of the feature is necessary for operating the vehicle. The system includes a first harness connector with a plurality of contacts for connecting to a second harness connector having corresponding contacts. The second harness connector is connected to a security module having antitheft functions. The plurality of contacts of the first harness connector includes a first contact for connecting to circuitry in the vehicle for providing an activating signal to activate the operational feature. Also included is a second contact connected to a terminal of the electrically controlled operational feature, where the terminal is for receiving the activating signal to activate the operational feature. Also included are a third contact connected to the constant voltage source and a fourth contact connected to the ground reference. A group of security modules are also disclosed, each providing a primary antitheft function, and additional and differing secondary antitheft functions. Certain secondary antitheft functions including audible and visual indicators of the state of the antitheft system. Other secondary antitheft functions include door, hood and trunk detectors. Still other secondary antitheft functions are provided.