Portable radio telephone device
AssigneeMitsubishi Denki Kabushiki Kaisha
InventorKunitoshi Yoshitake
Life of this patent
Estimating the term…
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.
Claims4
A portable radiotelephone device in which a radio device body is carried in the form of a wristwatch with a carrying strap, said radiotelephone device comprising:
- a power source portion and an antenna portion for said radio device body provided on said carrying strap;
- and
- a voice transmission tube connected to a transmitter or a receiver of said radio device body, provided within said carrying strap and terminating at a predetermined position of said carrying strap.
A portable radiotelephone device in which a radio device body is carried in the form of a wristwatch with a carrying strap, said radiotelephone device comprising:
- a power source portion for said radio device body provided on said carrying strap;
- an antenna provided on the carrying strap at one end side of said carrying strap from said radio device body and a ground potential provided on the carrying strap at the other end side thereof;
- and
- a voice transmission tube connected to a transmitter or a receiver of said radio device body, provided within said carrying strap and terminating at a predetermined position of said carrying strap.
A portable radiotelephone device in which a radio device body is carried in the form of a wristwatch with a carrying strap, said radiotelephone device comprising:
- a power source portion and an antenna portion for said radio device body provided on said carrying strap;
- a voice transmission tube connected to a transmitter of said radio device body, provided within said carrying strap and terminating at a predetermined position of said carrying strap;
- an ear piece connected to a receiver of said radio device body and terminating at a predetermined position of said carrying strap;
- and
- an auxiliary voice transmission tube coupled to said ear piece.
Dependencies are inferred from the claim text.