Foldable portable telephone with control of audio circuitry base

Details Foldable portable telephone with control of audio circuitry base Foldable portable telephone with control of audio circuitry base

1994-01-12

1995-10-31

Hofsass, Jeffery A.

Telephonic communications

Terminal

Housing or housing component

379434, H04M 100

Patent

active

054636876

ABSTRACT:
A portable telephone having a first and a second box-like casing part which are foldably connected by a hinge. The first casing part accommodates at least a display and a speaker while the second casing part accommodates at least a microphone. When the two casing parts are folded, a control circuit interrupts power supply to the display, microphone, and speaker.

REFERENCES:
patent: 4897873 (1990-01-01), Beutler et al.
Patent Abstracts of Japan, vol. 16, No. 354 (E-1242) Jul. 30, 1992; JP A-04 111 655 (NEC Corporation).

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