Portable radio telephone device

Details Portable radio telephone device Portable radio telephone device

1990-08-24

1991-04-16

Miska, Vit W.

Horology: time measuring systems or devices

Combined with disparate device

368 13, 368282, 379430, G04B 4700, H04M 105

Patent

active

050088645

ABSTRACT:
A portable radiotelephone device in which a radio device body is mounted in form of a wristwatch on an arm by means of a carrying strap. An antenna, a power source and a voice transmission tube are provided on the carrying strap separately from and independently of the radio device body. With this, there is provided a portable radiotelephone device which can realize miniaturization of the entire device and enhancement of productivity, and which can obtain a sending speech mouth piece and an ear piece securing a spacing between the ear and the mouth during telephone conversation which has a high antenna efficiency and while preventing feedback between sending speech sound and receiving sound.

REFERENCES:
patent: 3916312 (1975-10-01), Campbell
patent: 4002897 (1977-01-01), Kleinmann et al.
patent: 4090042 (1978-05-01), Larkin
patent: 4847818 (1989-01-01), Olsen

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