System and method for notification of arrival of bus or other vehicle
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United States of America Patent
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N/A
Issued Date -
Nov 24, 2005
app pub date -
May 19, 2004
filing date -
May 19, 2004
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A system and method for detecting the proximity of a bus or other transportation. Each bus is equipped with a transmitter, typically radio-frequency (RF), that broadcasts as the bus travels. As the bus and transmitter come within range of corresponding receivers, the receivers will detect the transmitter and will indicate that the bus is approaching. The receivers can be placed at the bus stop, and can also be carried by passengers so that they can be notified of the approaching bus before actually having to go to the bus stop. In various embodiments, the transmitters are implemented using radio-frequency identification (RFID) tags, Bluetooth, and other known RF technologies. Preferably, the transmitters will transmit an identifier that indicates the bus route or specific bus, and the receivers are programmed to only indicate the presence of selected buses.
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