Portable telephone

Details Portable telephone Portable telephone

1995-07-11

1996-04-02

Hofsass, Jeffery

Telephonic communications

Terminal

Housing or housing component

379434, H04M 100

Patent

active

055048137

ABSTRACT:
A small-sized, lightweight portable telephone has a microphone mounted on a rotatable arm that can be released into a use position using only one hand, which is also grasping the telephone. Even if an excessive load is applied to the microphone arm, which is rotatably supported relative to the telephone main member, damage is prevented by a spring-loaded detent mechanism. The microphone arm has built in it a core member formed of a shape-memory alloy and constituted by a flexible casing, so that deformation can occur without permanent damage to the arm.

REFERENCES:
patent: D350744 (1994-09-01), Hino
patent: 5197091 (1993-03-01), Takagi et al.
patent: 5259019 (1993-10-01), Stilley
patent: 5327584 (1994-07-01), Adachi et al.
patent: 5369857 (1994-12-01), Sacherman et al.

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