On hook/off hook mechanism for wrist telephone

Details On hook/off hook mechanism for wrist telephone On hook/off hook mechanism for wrist telephone

1994-05-06

1996-03-12

Hofsass, Jeffery

Telephonic communications

Terminal

Housing or housing component

379428, 368 13, H04M 100

Patent

active

054992923

ABSTRACT:
A radiotelephone wrist device includes a case having a transceiver and a strap attached to the case for fastening the device to a user's wrist. The strap has a top layer and a bottom layer in which the top layer is releasable from the bottom layer of the strap. A microphone is located on the strap and electrically connected to the transceiver. A speaker is located at an end of the top layer of the strap and electrically connected to the transceiver. A cradle for receiving the speaker is formed in the case. A sensor located beneath the cradle detects when the speaker is removed from the cradle.

REFERENCES:
patent: 4847818 (1989-07-01), Olsen
patent: 5128994 (1992-07-01), Hattori et al.
patent: 5218572 (1993-06-01), Seager
patent: 5239521 (1993-08-01), Blonder
patent: 5404582 (1995-04-01), Demuro et al.

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