Mobile station for an automobile telephone system

Details Mobile station for an automobile telephone system Mobile station for an automobile telephone system

1989-05-23

1990-04-10

Lev, Robert

Telephonic communications

Audio message storage, retrieval, or synthesis

379 63, 379 58, 455127, H01Q 704

Patent

active

049167294

ABSTRACT:
A mobile station for an automobile telephone system comprises a main unit and a telephone set connected to the main unit, for instance, by a curl cord. The main unit includes a power supply which is turned on from the telephone set, a controller for controlling the power supply to be turned on and off in accordance with a control signal supplied from the telephone set, and a detecting circuit for detecting the separation of the telephone set from the main unit. When the detecting circuit detects the separation of the telephone set from the main unit, the controller controls the power supply to be turned off, even if a power supply turning-off signal is not produced in the telephone set.

REFERENCES:
patent: 3962553 (1976-06-01), Linder et al.
patent: 4458111 (1984-07-01), Sugihara
patent: 4509201 (1985-04-01), Sekigawa et al.
patent: 4511761 (1985-04-01), Yamazaki et al.
patent: 4513446 (1986-04-01), Leslie
patent: 4544924 (1985-10-01), French
patent: 4591914 (1986-05-01), Haramada et al.
patent: 4811421 (1989-03-01), Hauel et al.
patent: 4845772 (1989-07-01), Metroka et al.

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