US5642402A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hands free equipment
Assignee: Nokia Technologies Oy
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Filing: 1995-01-11
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Granted: 1997-06-24
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Expires: 2015-01-11
Abstract
Abstract Hands free equipment for mobile phones, has an extra loudspeaker and microphone and an electronic unit included therein, the equipment being mainly intended for use in cars, whereby driving safety is maintained. The equipment is connected to the charger of the cigarette lighter. The hands free equipment according to the invention consists of a separate, small-sized, detachable and movable unit situated outside the mobile phone.
Inventors
- 👤 Toivo Vilmi
- 👤 Aki Leppanen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:11
CPC Classifications
H; H04; H04M; H04M1/00; H04M1/60; H04M1/6033; H04M1/6041; H04M1/6075; H04B; H04B1/00; H04B1/38; H04B1/3827; H04B1/3877; H01; H01R; H01R2201/00; H01R2201/16
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
78 words
Hands free equipment for use with a radio telephone comprising a lead for connecting the radio telephone to a cigarette lighter socket, the lead is detachably connectable to the telephone and the cigarette lighter socket and is provided with a loudspeaker and a microphone, the lead further comprises a first connector for connection to the cigarette lighter socket and a second connector for connection to the radio telephone, and wherein the second connector is provided with said microphone.
Claim 2
Dependent Claim
78 words
Hands free equipment for use with a radio telephone comprising a lead for connecting the radio telephone to a cigarette lighter socket, the lead is detachably connectable to the telephone and the cigarette lighter socket and is provided with a loudspeaker and a microphone, the lead further comprises a first connector for connection to the cigarette lighter socket and a second connector for connection to the radio telephone, and wherein the second connector is provided with said microphone.
Claim 3
Dependent Claim
17 words
Hands free equipment as claimed in claim 1, wherein the first connector is provided with said loudspeaker.
Claim 4
Dependent Claim
27 words
Hands free equipment as claimed in claim 1, wherein the first connector comprises means for supplying power to the hands free equipment from the cigarette lighter socket.
Claim 5
Dependent Claim
22 words
Hands free equipment as claimed in claim 1, wherein the first connector is provided with charging circuitry for charging the radio telephone.
Claim 6
Dependent Claim
18 words
Hands free equipment as claimed in claim 1, wherein the first connector comprises amplifying means for the loudspeaker.
Claim 7
Dependent Claim
22 words
Hands free equipment as claimed in claim 5, wherein the power for the amplifying means is provided from the cigarette lighter socket.
Claim 8
Dependent Claim
93 words
Hands free equipment for radio telephones, comprising an extra loudspeaker and an extra microphone, the equipment having a use in cars, whereby driving safety is maintained, the equipment being connected to a charger adapted to be received with the socket of a cigarette lighter, characterized in that the hands free equipment consists of a separate, detachable unit situated outside the radio telephone and that the extra loudspeaker is situated in the charger of the cigarette lighter and that the equipment has a radio telephone engaging end in which the extra microphone is situated.
Claim 9
Dependent Claim
93 words
Hands free equipment for radio telephones, comprising an extra loudspeaker and an extra microphone, the equipment having a use in cars, whereby driving safety is maintained, the equipment being connected to a charger adapted to be received with the socket of a cigarette lighter, characterized in that the hands free equipment consists of a separate, detachable unit situated outside the radio telephone and that the extra loudspeaker is situated in the charger of the cigarette lighter and that the equipment has a radio telephone engaging end in which the extra microphone is situated.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2000-06-23 | 2000-12-23 | 2001-06-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2004-06-23 | 2004-12-23 | 2005-06-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2008-06-23 | 2008-12-23 | 2009-06-24 | $7700.00 | Window Closed / Lapsed |