Communications: electrical – Land vehicle alarms or indicators – Of burglary or unauthorized use
Reexamination Certificate
2006-11-14
2006-11-14
Crosland, Donnie L. (Department: 2612)
Communications: electrical
Land vehicle alarms or indicators
Of burglary or unauthorized use
C340S005600, C340S005610, C340S007230, C340S010100, C340S010400
Reexamination Certificate
active
07135963
ABSTRACT:
A method for locating a badge for a motor vehicle handsfree system includes transmission in the form of an inquiry of a signal by a first group of antennas of the vehicle to the tag, response of the tag to this first inquiry, transmission in the form of an inquiry of a signal by a second group of antennas of the vehicle to the tag, and response of the tag to this second inquiry. In responding to the first inquiry, the tag stores for a predetermined time span the fact that it has responded to a signal transmitted by an antenna of the first group of antennas. The response made to the second inquiry may include a cue indicating that a response has already been transmitted following an inquiry originating from the first group of antennas.
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patent: 6552649 (2003-04-01), Okada et al.
patent: 6707375 (2004-03-01), Masudaya
patent: 2001/0010489 (2001-08-01), Baudard
patent: 198 35 155 (2000-02-01), None
patent: 0 523 602 (1993-01-01), None
Crosland Donnie L.
Siemens VDO Automotive
Young & Thompson
LandOfFree
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