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:
May. 07, 1991
Filed:
Mar. 15, 1989
Keith V Leigh-Monstevens, Troy, MI (US);
David C Peterson, Walled Lake, MI (US);
Brian Mabee, Warren, MI (US);
Automotive Products (USA) Inc., Sterling Heights, MI (US);
Abstract
An electronic control system for a motor vehicle of the type including an automatic transmission, a steering system having a steering column, an ignition switch having an on position and a key-in/lock position, means operative in response to movement of the ignition switch to the key-in/lock position to lock the steering column, a starter circuit, a push button shift control assembly in the vehicle passenger compartment, and a closure system requiring one or more operator steps to enter the vehicle passenger compartment. The invention control system includes means to preclude movement of the ignition switch to the key-in/lock position when the vehicle speed is in excess of a predetermined speed; means for generating a coded anti-theft signal comprising a predetermined combination of shift assembly push buttons depressed in a predetermined sequence to allow starting of the motor vehicle and to allow shifting of the motor vehicle; and means operative to display the instantaneous position of the vehicle transmission during the normal operation of the vehicle, for a predetermined period of time following removal of the ignition key from the ignition switch, and for a predetermined time following operator performance of one or more of the steps required to enter the vehicle passenger compartment.