Battery saving circuit for paging receiver

Details Battery saving circuit for paging receiver Battery saving circuit for paging receiver

1983-04-18

1984-10-23

Ng, Jin F.

Telecommunications

Receiver or analog modulated signal frequency converter

With particular receiver circuit

455228, 34082544, H04B 116, H04B 504

Patent

active

044792611

ABSTRACT:
A battery saving circuit for a battery powered receiver composed of a receiving section, a waveform shaping section and a control section, the waveform shaping section requiring a predetermined time after being connected to the power supply to become operational. The battery saving circuit includes a calling signal detector, first and second timers responsive to the detector output and first and second switch circuits responsive to the first and second timers, respectively. The first and second times produce first and second switching signals, the second switching signal being produced the predetermined time after the first switching signal. The first switch circuit connects the waveform shaping section to the battery on receiving the first switching signal, while the second switch circuit connects the receiving section to the battery on receiving the second switching signal, whereby battery power is not supplied to the receiving section until the waveform shaping section has become operational.

REFERENCES:
patent: 4181893 (1980-01-01), Ehmke
patent: 4194153 (1980-03-01), Masaki et al.

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