Power source control device in car telephone mobile station syst

Details Power source control device in car telephone mobile station syst Power source control device in car telephone mobile station syst

1988-09-08

1990-01-09

Griffin, Robert L.

Telecommunications

Transmitter and receiver at same station

With a common signal processing stage

455343, 455127, 379 58, H04B 138

Patent

active

048933481

ABSTRACT:
A power source control device in a car telephone mobile station system where an abnormal state detecting means installed within a body CPU supervises signals transmitted from a hand set CPU, and if abnormal state of the signal from the hand set CPU occurs caused by disconnection of a hand set or runaway of the hand set CPU, a power source control signal is inputted to a control terminal of a power source circuit so as to change the power source circuit from the ON-state into the OFF-state.

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