作者: Yoshio Ichikawa , Takashi Ohyagi
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摘要: A battery saving circuit for use in a portable radio communication apparatus adapted to receive signal which includes preamble and identification codes. The receiver section, waveform shaper decoder section power supply. circuit, forming portion of the periodically generates first control causes supply be electrically connected sections. second is generated disconnect sections from when, during an assigned time period, code not detected. third maintain electrical connection between selected period after