Telecommunications – Receiver or analog modulated signal frequency converter – With particular receiver circuit
Reexamination Certificate
2011-08-09
2011-08-09
Phu, Sanh D (Department: 2618)
Telecommunications
Receiver or analog modulated signal frequency converter
With particular receiver circuit
C455S436000, C455S574000, C455S464000, C455S069000, C455S041100, C370S310000
Reexamination Certificate
active
07995985
ABSTRACT:
Reducing power consumption and interference in wireless communication is provided. For example, in one embodiment, a method is provided that listens for radio frequency (“RF”) activity on a receiver utilizing a first receiver antenna. When no RF activity is detected the receiver is switched “on” and a command is transmitted. If a reply to the transmission is not received the receiver is turned “off.” After an expiration of time, the receiver is again switched “on” and another command is transmitted on a second antenna coupled to the receiver. Thereafter, if a reply is not received the receiver is again turned “off.” Embodiments of the invention also include other methods, computer-readable mediums, apparatuses, and systems that contain features similar to the features in the above described method.
REFERENCES:
patent: 7787821 (2010-08-01), Hamaguchi
patent: 2002/0113735 (2002-08-01), Spratt
patent: 2006/0276161 (2006-12-01), Twitchell
van Cann Jacobus Robertus Andreas
Verstraelen Johannes Gertrudis Raymundus
Kinney & Lange , P.A.
Phu Sanh D
UTC Fire & Security Americas Corporation, Inc.
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