Wireless powerless switch sensor
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United States of America Patent
Stats
-
Dec 16, 2008
Grant Date -
May 15, 2008
app pub date -
Mar 1, 2006
filing date -
Mar 4, 2005
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A passenger door open request switch for use in a multi-passenger, mass-transit vehicle. A wireless, powerless switch sensor which includes an RFID reader, a circuit located remotely from the RFID reader that is formed by connecting an RFID antenna with a control/storage element, and a switch. The switch is connected between the antenna and the storage element in such a way as to either enable or disable the antenna. This allows the system to be configured to monitor the status of the switch.
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Family
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