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.
Patent No.:
Date of Patent:
Jun. 29, 1999
Filed:
Jun. 12, 1997
Applicant:
Inventor:
William R Duvall, Sudbury, MA (US);
Assignee:
LoJack Corporation, Dedham, MA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01S / ; G01S / ;
U.S. Cl.
CPC ...
34082537 ; 34082549 ; 342 44 ; 342457 ;
Abstract
A vehicle-tracking radio transponder used in stolen vehicle recovery systems and in which the same transponder is also synergistically accessed for panic or emergency operator activation and for sensed unauthorized moving or starter circuit tampering independently of and without interfering with the stolen vehicle recovery command signal control of the transponder.