Forced passive anti-hijack security system

Details Forced passive anti-hijack security system Forced passive anti-hijack security system

1996-09-23

1998-04-14

Hofsass, Jeffery

Communications: electrical

Land vehicle alarms or indicators

Of burglary or unauthorized use

3404255, 340428, 340430, 307 102, 180287, B60B 2510

Patent

active

057397490

ABSTRACT:
An anti-hijack security system which automatically protects the vehicle with anti-hijack after the ignition has been turned off for a predetermined long period of time or after the ignition has been turned off and a door has been opened and closed for a predetermined short period of time. Thus, ensuring the owner to have anti-hijack protection when he returns to his vehicle. The anti-hijack protection system also makes sure that, once triggered, it will perform the anti-hijack trigger sequence even if a door sensing device is damaged or if a door is not closed properly. The system also makes sure that once anti-hijack trigger sequence is in it's last few stages, it cannot be disarmed by simply pressing the arm/disarm switch but can only be disarmed by entering a security code.

REFERENCES:
patent: 5315286 (1994-05-01), Nolan
patent: 5357560 (1994-10-01), Nykerk
patent: 5394135 (1995-02-01), Stadler
patent: 5477206 (1995-12-01), Bodriguez, Sr.
patent: 5534845 (1996-07-01), Issa et al.
patent: 5539377 (1996-07-01), Dillon
patent: 5559491 (1996-09-01), Stadler

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