Telecommunications – Receiver or analog modulated signal frequency converter – Local control of receiver operation
Reexamination Certificate
2006-07-18
2011-10-18
Nguyen, Lee (Department: 2618)
Telecommunications
Receiver or analog modulated signal frequency converter
Local control of receiver operation
C455S240100
Reexamination Certificate
active
08041323
ABSTRACT:
A portable electronic unit has a transmission-side section that transmits a signal and a receiving-side section that receives a signal from the transmission-side section. The receiving-side section includes a gain control amplification device that amplifies and outputs a signal from the transmission-side section. The gain control amplification device has a first amplification circuit that amplifies and outputs a signal from the transmission-side section, a detection circuit that detects and outputs a signal from the first amplification circuit, a gain control amplification circuit that amplifies and outputs a signal from the detection circuit, and a gain control circuit that controls a gain in the gain control amplification circuit in response to a level of a signal from the detection circuit.
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Adams & Wilks
Nguyen Lee
Seiko Instruments Inc.
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