Portable telephone set

Details Portable telephone set Portable telephone set

1995-05-01

1996-12-17

Brown, Thomas W.

Telephonic communications

Subscriber line or transmission line interface

Network interface device

379433, 379440, 379396, 379 58, H04B 138, H04M 119

Patent

active

055861822

ABSTRACT:
For a portable telephone set having a display portion for displaying various information associated with call or origination and reception, a gyro for detecting inclination of a main body is provided. When substantially horizontal position of the main body for dialing is detected by the gyro, power supply for the display portion is initiated. On the other hand, when the vertical position of the main body for speaking is detected by the gyro, supply for the display portion is shut off.

REFERENCES:
patent: 4135067 (1979-01-01), Bitko
patent: 5111503 (1992-05-01), Takagi
patent: 5117073 (1992-05-01), Mischenko
patent: 5185790 (1993-02-01), Mischneko
patent: 5193108 (1993-05-01), Stocklin
patent: 5450619 (1995-09-01), Maed
patent: 5493690 (1996-02-01), Shimazaki
European Search Report.

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