The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Dec. 15, 1998

Filed:

Oct. 30, 1996
Applicant:
Inventors:

John DiCroce, Oceanside, NY (US);

Scott Christie, Weymough, MA (US);

Assignee:

Audiovox Corp., Hauppauge, NY (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B60R / ;
U.S. Cl.
CPC ...
340426 ; 180287 ; 307 102 ;
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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