Communications: electrical – Condition responsive indicating system – Specific condition
Reexamination Certificate
2005-12-29
2009-02-17
Bugg, George A (Department: 2612)
Communications: electrical
Condition responsive indicating system
Specific condition
C340S572800, C340S686100, C340S686200, C340S689000
Reexamination Certificate
active
07492256
ABSTRACT:
An apparatus and method are disclosed for detecting whether a device has been tilted beyond a predefined threshold. A casing is included for temporarily enclosing a radio frequency identification (RFID) tag. The RFID tag is unable to receive an RFID interrogation signal when the RFID tag is enclosed in the casing. The tilting of the device is monitored. In response to the amount of tilt exceeding the predefined threshold, the RFID tag is exposed to radio frequency (RF) signals. The RFID tag receives the RFID interrogation signal when the RFID tag is exposed. The RFID tag transmits a reply RFID signal in response to a receipt by the RFID tag of the RFID interrogation signal. The RFID tag transmits the RFID reply signal only when the RFID tag is exposed which indicates that tilting of the device beyond the predefined threshold has occurred.
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Eren Selcuk Suat
Jaeger Brian Jules
Law Douglas Alan
Roberts Paul Allen
Sremaniak Shawn Konrad
Bugg George A
International Business Machines - Corporation
McBurney Mark E.
Tang Son M
Yee Duke W.
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