Anti theft system for motor vehicles and the like

Details Anti theft system for motor vehicles and the like Anti theft system for motor vehicles and the like

1987-06-26

1989-02-21

Mitchell, David M.

Motor vehicles

With means for promoting safety of vehicle, its occupant or...

By preventing unauthorized or unintended access or use

307 10AT, 34030915, 340 52R, 340 63, B60R 2504, G08B 100

Patent

active

048057223

ABSTRACT:
An anti theft vehicle system for motor vehicles and the like is provided which uses a magnetically or optically encoded card inserted into a card reader mounted in the vehicle to limit operation of the vehicle. The vehicle ID number is stored in a control computer along with continuously updated date and time. If the vehicle ID of the card and computer match, and the data and time are within the authorized operation date and time encoded on the card, the vehicle will operate. The remaining time of authorized use is displayed. If there is no match the vehicle ignition and fuel line are blocked and hood is locked thereby foiling any attempt to circumvent this security system by bypassing it. Should the operator inadvertently leave the card in the reader while attempting to leave the vehicle the vehicle ignition will continue to operate until the card is removed thereby reminding the operator to remove the card. Additional data may be encoded upon the card for purposes of accounting or inventory control.

REFERENCES:
patent: 3790933 (1974-02-01), Cort
patent: 4366466 (1982-12-01), Lutz
patent: 4463340 (1984-07-01), Adkins et al.
patent: 4616208 (1986-10-01), Nakanura
patent: 4624578 (1986-11-01), Green

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