US5008864A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable radio telephone device
Assignee: Mitsubishi Electric Corp
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Filing: 1990-08-24
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Granted: 1991-04-16
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Expires: 2010-08-24
Abstract
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.
Inventors
- 👤 Kunitoshi Yoshitake
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 21:16
CPC Classifications
G; G04; G04G; G04G21/00; G04G21/04; G04B; G04B47/00; G04B47/02; G04B47/025; G04G17/00; G04G17/08; G04R; G04R60/00; G04R60/04; H; H04; H04B; H04B1/00; H04B1/38; H04B1/3827; H04B1/385; H04B2001/3866; H04B2001/3872
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
76 words
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.
Claim 2
Dependent Claim
76 words
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.
Claim 3
Dependent Claim
34 words
The device according to claim 1, wherein a mounting portion for said radio device body of said carrying strap is capable of being opened and closed in a split form about a rotational shaft.
Claim 4
Dependent Claim
107 words
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.
Claim 5
Dependent Claim
107 words
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.
Claim 6
Dependent Claim
105 words
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.
Claim 7
Dependent Claim
105 words
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.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1994-04-15 | 1994-10-15 | 1995-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1998-04-15 | 1998-10-15 | 1999-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2002-04-15 | 2002-10-15 | 2003-04-16 | $7700.00 | Window Closed / Lapsed |