Power saving arrangement and power saving method

Details Power saving arrangement and power saving method Power saving arrangement and power saving method

1989-09-05

1991-06-25

Eisenzopf, Reinhard J.

Telecommunications

Transmitter and receiver at separate stations

Having measuring, testing, or monitoring of system or part

455343, H04B 0116, H04B 1700

Patent

active

050274287

ABSTRACT:
A power saving arrangement for use in a handset unit which communicates with a base unit in response to the detection of an ID signal leading data signal, which are produced from the base unit, includes a processing circuit for receiving and processing the ID signal and data signal, and a detecting circuit, connected to the processing circuit, for detecting the ID signal and data signal. A CPU controls the power supply such that, under the first standby mode a reduced power is supplied to the processing circuit, and no power to the detecting circuit. Under the second standby mode as established when the detected level of the received signal exceeds a predetermined level, the reduced power is supplied to the processing circuit means and also to the detecting circuit means. Under the use mode as established when the detected ID signal has a predetermined pattern, full power is supplied to the processing circuit and also to the detecting circuit.

REFERENCES:
patent: 4598258 (1986-07-01), Babano
patent: 4903335 (1990-02-01), Shimizu

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