Communications: electrical – External condition vehicle-mounted indicator or alarm – Highway information
Reexamination Certificate
2006-01-10
2009-08-04
Goins, Davetta W (Department: 2612)
Communications: electrical
External condition vehicle-mounted indicator or alarm
Highway information
C340S505000, C340S010100, C340S572100, C340S870030, C340S010400, C340S010500, C340S870030, C700S229000, C342S450000, C235S384000
Reexamination Certificate
active
07570176
ABSTRACT:
A tag can transmit a tag signal, and responds to receipt of a wireless signpost signal by determining whether the signpost that generated the signal is currently active. When the signpost is respectively determined to be active and inactive, the tag respectively includes and excludes from the tag signal an information portion that relates to the signpost that generated the received signpost signal. In another configuration, a tag has first and second antennas, receives wireless signpost signals through at least one of the antennas, and responds to receipt of a signpost signal containing antenna select information by causing a selected one of the first and second antennas to be disabled and the other of the first and second antennas to receive wireless signpost signals.
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Ahn Don H.
Cargonja Nikola
Chan Joseph S.
Goins Davetta W
Haynes and Boone LLP
Lau Hoi C
Savi Technology, Inc.
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