Transceiver measuring battery voltage when not transmitting in a

Details Transceiver measuring battery voltage when not transmitting in a Transceiver measuring battery voltage when not transmitting in a

1994-01-21

1997-03-18

Faile, Andrew

Telecommunications

Transmitter

Power control, power supply, or bias voltage supply

455343, 455 89, 370347, H04B 140

Patent

active

056132271

ABSTRACT:
A radio telecommunication apparatus sends signals to a base station for a first period over radio channels established by a time division multiple access (TDMA) system. The apparatus has a battery whose voltage decreases in response to consumption of the battery. The apparatus measures the voltage of the battery only during a second period other than the first period and determines a remaining energy of the battery in response to the measured voltage.

REFERENCES:
patent: 4964121 (1990-10-01), Moore
patent: 5095308 (1992-03-01), Hewitt
patent: 5203009 (1993-04-01), Bogusz et al.
patent: 5204986 (1993-04-01), Ito et al.
patent: 5239694 (1993-08-01), Toyoshima
patent: 5278995 (1994-01-01), Hwang

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