Patent US5282246A successfully refreshed from Google Patents.
US5282246A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Handsfree mobile telephone rack
Assignee: Individual
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Filing: 1991-11-08
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Granted: 1994-01-25
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Expires: 2011-11-08
Abstract
Abstract A handsfree mobile telephone rack for holding any of a variety of mobile telephones permitting a user to send a message by a mobile telephone with both hands free, comprising a power socket connected to a power supply by a power cord, a power switch, a volume control, and two loudspeaker circuits, wherein the two loudspeaker circuits each comprised a microphone and a loudspeaker with the output volume thereof regulated by the volume control; the two loudspeaker circuits include one for transmitting the sound waves from a user to the mouthpiece of the mobile telephone mounted thereon and the other for transmitting the sound waves from the receiver of the mobile telephone into the air.
Inventors
- 👤 Chao-Ming Yang
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:02
CPC Classifications
H; H04; H04M; H04M1/00; H04M1/60; H04M1/6033; H04M1/6041; H04M1/6075; B; B60; B60R; B60R11/00; B60R11/02; B60R11/0241; B60R2011/0001; B60R2011/0003; B60R2011/0005; B60R2011/0007; B60R2011/0042; B60R2011/0049; B60R2011/0064; B60R2011/0071
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
187 words
A mobile telephone rack for holding different models of mobile telephones each having a receiver and a mouthpiece, the telephone rack comprising a power socket connected to a power supply by a power cord, a power switch connected in a circuit arrangement with said power socket, a volume control, and first and second loudspeaker circuits each of said loudspeaker circuits connected to said power switch to receive power from said power supply in response to activation of said power switch and connected to said volume control, each of said first and second loudspeaker circuits comprising a microphone and a loudspeaker connected to the microphone for emitting sound detected by the associated microphone, the microphone of the first loudspeaker circuit detecting sound from a user and in response the loudspeaker of the first loudspeaker circuit emitting the sound to the mouthpiece of the mobile telephone mounted in said rack, and the microphone of the second loudspeaker circuit detecting sound from the receiver of the mobile telephone and in response the loudspeaker of the second loudspeaker circuit emitting the sound from the receiver to be heard by the user.
Claim 2
Dependent Claim
187 words
A mobile telephone rack for holding different models of mobile telephones each having a receiver and a mouthpiece, the telephone rack comprising a power socket connected to a power supply by a power cord, a power switch connected in a circuit arrangement with said power socket, a volume control, and first and second loudspeaker circuits each of said loudspeaker circuits connected to said power switch to receive power from said power supply in response to activation of said power switch and connected to said volume control, each of said first and second loudspeaker circuits comprising a microphone and a loudspeaker connected to the microphone for emitting sound detected by the associated microphone, the microphone of the first loudspeaker circuit detecting sound from a user and in response the loudspeaker of the first loudspeaker circuit emitting the sound to the mouthpiece of the mobile telephone mounted in said rack, and the microphone of the second loudspeaker circuit detecting sound from the receiver of the mobile telephone and in response the loudspeaker of the second loudspeaker circuit emitting the sound from the receiver to be heard by the user.
Claim 3
Dependent Claim
50 words
The mobile telephone rack according to claim 1, which defines therein a receiving chamber for inserting a mobile telephone, said receiving chamber having two curved spring plates disposed at two opposite sides and a supporting board supported by a spring at the bottom for supporting the mobile telephone inserted therein.
Claim 4
Dependent Claim
89 words
The mobile telephone rack according to claim 1, which further comprises an end extension at one end opposite to a receiving chamber, said end extension having a hooked member fastened therein at the top at a right angle by a spring leaf for holding the opposite end of the mobile telephone which is inserted in said receiving chamber, said hooked member having a nose into which the microphone of said second loudspeaker circuit is installed to pick up the sound waves transmitted through the receiver of the mobile telephone.
Claim 5
Dependent Claim
69 words
The mobile telephone rack of claim 1, and further comprising mounting means for mounting a mobile telephone therein so that the mouthpiece of the mobile telephone is positioned adjacent the loudspeaker of the first loudspeaker circuit and the receiver of the mobile telephone being positioned adjacent the microphone of the second loudspeaker circuit, the loudspeaker of the second loudspeaker circuit being positioned on said rack facing towards a user.
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) | 1997-01-24 | 1997-07-26 | 1998-01-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2001-01-24 | 2001-07-26 | 2002-01-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2005-01-24 | 2005-07-26 | 2006-01-25 | $7700.00 | Window Closed / Lapsed |