Electrical transmission or interconnection systems – Vehicle mounted systems – Automobile
Patent
1993-12-13
1996-08-20
Shoop, Jr., William M.
Electrical transmission or interconnection systems
Vehicle mounted systems
Automobile
70DIG46, 180287, 34082532, B60R 2500
Patent
active
055481639
ABSTRACT:
A security device for use with audio and video equipment installed in an automobile or other type of vehicle, such as a van or boat. The security device includes a module which is coupled to the equipment to be protected. The security device comprises an encoded security key which is plugged into a key receptacle to disarm and arm the module. The key includes logic for producing an encoded disarming signal and is of a size which can be easily carried on the person of the user. The module can be located at a space in the vehicle which is remote to the key receptacle thereby allowing otherwise inaccessible equipment to be conveniently secured from the passenger compartment of the vehicle for example. Without a proper encoded key, the equipment cannot be operated and is virtually useless if removed from the vehicle. To provide a further deterrent to theft, the module and/or equipment include a warning notice signifying the inoperative nature of the equipment without the key.
REFERENCES:
patent: 4232291 (1980-11-01), Bernier
patent: 4288778 (1981-09-01), Zucker
patent: 4383242 (1983-05-01), Sassover et al.
patent: 4438426 (1984-03-01), Adkins
patent: 4697171 (1987-09-01), Suh
patent: 4868409 (1989-09-01), Tanaka et al.
Product Brochure for a Vehicle Protection System--The "Immobiliser"; Nov. 1992 QUORUM INTERNATIONAL, LTD.
Blade Technologies Inc.
Elms Richard T.
Shoop Jr. William M.
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