Antitheft system

Details Antitheft system Antitheft system

2004-06-11

2009-12-01

Holloway, III, Edwin C (Department: 2612)

Communications: electrical

Selective

Intelligence comparison for controlling

C340S426100, C307S010200

Reexamination Certificate

active

07626487

ABSTRACT:
An object of the invention is to provide a theft prevention system that appropriately protects a vehicle from being stolen. A communication ECU3, an engine ECU4, a car navigation system5and an air conditioner ECU6, all installed on a vehicle2, communicate each other to assure electrical connection, or ‘communication.’ When an abnormality is detected in terms of communication, both of the communicated device and the device that conducts communication check operation stop to work. If any one of the above devices is removed from the vehicle2while the vehicle2is stolen, this scheme of operation prevents the onboard devices from working correctly as a total system. Therefore, the scheme of operation greatly decreases motivation of theft, resulting in protecting the vehicle2appropriately from theft.

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Communication dated Dec. 18, 2006 in Japanese Patent Application No. 2003-167728 with English translation.

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