Telecommunications – Receiver or analog modulated signal frequency converter – With particular receiver circuit
Reexamination Certificate
2011-03-01
2011-03-01
Vuong, Quochien B (Department: 2618)
Telecommunications
Receiver or analog modulated signal frequency converter
With particular receiver circuit
C455S574000
Reexamination Certificate
active
07899435
ABSTRACT:
The present invention, which is aimed at providing a wireless communication unit which is operated by battery power and offers long battery life, power control method thereof and a wireless network which utilizes the wireless communication unit, includes: a direct demodulation standby part for prestoring an own unit identification code to compare the identification code included in the high-frequency signal with the own unit identification code; an intermittent power supply part for intermittently supplying power to the direct demodulation standby part; and a power control part for controlling the power supply to the transmitting/receiving part, wherein the direct demodulation standby part notifies the power control part and the intermittent power supply part, whether or not the identification code coincides with the own unit identification code after comparing the both, the power control part supplies power to the transmitting/receiving part upon receiving the notification from the direct demodulation standby part, indicating that the identification code coincides with the own unit identification code, and the intermittent power supply part intermittently supplies power to the direct demodulation standby part upon receiving the notification from the direct demodulation standby part indicating that the identification code does not coincide with the own unit identification code.
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Foley & Lardner LLP
NEC Corporation
Vuong Quochien B
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