Wireless autonomous device data transmission
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United States of America Patent
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Mar 5, 2013
Grant Date -
Nov 8, 2007
app pub date -
May 3, 2007
filing date -
May 5, 2006
priority date (Note) -
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status (Latency Note)
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Abstract
A method of communicating information from a wireless autonomous device (WAD) to a base station. The WAD has a data element having a predetermined profile having a total number of sequenced possible data element combinations. The method includes receiving at the WAD an RF profile transmitted by the base station that includes a triggering portion having a number of pulses, wherein the number is at least equal to the total number of possible data element combinations. The method further includes keeping a count of received pulses and wirelessly transmitting a piece of data, preferably one bit, to the base station when the count reaches a value equal to the stored data element's particular number in the sequence. Finally, the method includes receiving the piece of data at the base station and using the receipt thereof to determine which of the possible data element combinations the stored data element is.
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