Foldable radio telephone set with rotary selector integral with

Details Foldable radio telephone set with rotary selector integral with Foldable radio telephone set with rotary selector integral with

1993-09-07

1995-07-25

Kuntz, Curtis

Telephonic communications

Having light wave or ultrasonic link for speech or paging...

Including fiber optic link within telephone network

379 61, 379428, 379433, 379434, 455 89, 455 90, H04M 1100

Patent

active

054369541

ABSTRACT:
A portable radio telephone set provided with a display section includes a rotary selector which turns to select various functions. A menu displayed on the display section is selected by the rotary selector during a non-conversation time, and the sound volume can be adjusted during the conversation time. The adjusting operation can be performed from both the front and the rear sides of the telephone set. The rotary selector and button keys are arranged within the operation range of the thumb, and ordinary dial functions performed by operating these rotary selector and button keys are provided.

REFERENCES:
patent: 4481382 (1984-11-01), Villa-Real
patent: 4739128 (1988-04-01), Grisham
patent: 4845772 (1989-07-01), Metroka et al.
patent: 5027394 (1991-06-01), Ono et al.
patent: 5260998 (1993-11-01), Takagi
patent: 5278993 (1994-01-01), Reiff et al.

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