Vehicle security system upgrade

Details Vehicle security system upgrade Vehicle security system upgrade

1996-10-30

1998-12-15

Swarthout, Brent A.

Communications: electrical

Land vehicle alarms or indicators

Of burglary or unauthorized use

180287, 307 102, B60R 2510

Patent

active

058501746

ABSTRACT:
An upgrade method and apparatus for both remote and key-operated two-step vehicle security systems is disclosed. The upgrade blocks attempts to disarm the alarm circuit when the vehicle is armed and unlocked improperly.
The upgrade can be added to existing systems regardless of the polarity of the signals used therein. Improved power-up and remote control features can also be added as a part of the upgrade.

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Audiovox, Model PRO 92BT Owner's Manual/Transmitter Programming Guide.
Audiovox, Model PRO 9249 Owner's Manual/Active Passive Operation Model PRo 9249 Installation Manual.
Audiovox, Model PRO-9149 Owner's Manual, Passive Operation Model PRO-9149 Owner's Manual, Active Operation Model PRO-9149 Installation Guide, Keyless Entry Auto Security System.
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