Control of short range RF communication
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Apr 12, 2005
Grant Date -
Jun 20, 2002
app pub date -
Dec 20, 2000
filing date -
Dec 20, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method of and a system for controlling low power radio frequency activity of terminals, including a method of selecting and activating a wireless terminal. A signal, including a transmission indication, is transmitted by a first terminal. A second terminal receives the signal a number of times and compares the received transmission indications with predetermined indication values. When the comparison shows that a predetermined number of satisfactory transmission indications have been received by the second terminal, the second terminal commences transmission. The transmission indication can be messages having tail portions with a preselected set of states.
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