Patent US5657371A successfully refreshed from Google Patents.
US5657371A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Connector assembly for a radio telephone and a computer
Assignee: Nokia Solutions and Networks Oy
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Filing: 1996-08-26
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Granted: 1997-08-12
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Expires: 2016-08-26
Abstract
Abstract In the connection between a radio telephone and a computer, the functions are divided substantially into two parts: adaptation of the levels of the interface connection wires is handled by the circuits of the cradle (2) of the radio telephone (1), and the control logic is disposed in the communications software (SW) of the computer (3). Physically, the interface comprises an RS232 interface (5) for the control and a two-wire PSTN line (6) between the modem (4) and the telephone.
Inventors
- 👤 Arto Suomi
- 👤 Mikko Terho
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:50
CPC Classifications
H; H04; H04M; H04M11/00; H04M11/06; H04M1/00; H04M1/72; H04M1/724; H04M1/72403; H04M1/72409
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
216 words
A system for connection of a radiotelephone to a computer, the system comprising: a radiotelephone and a computer; a modem connecting with the computer for providing communication with the computer via audio signals; an adapter connecting with the radiotelephone; a first communication cable interconnecting directly between the adapter and the modem for communication of the audio signals between the radiotelephone and the modem; a second communication cable interconnecting directly between the adapter and the computer for communication of telephonic control signals between the radiotelephone and the computer; wherein the adapter adapts signal levels of the first cable and of the second cable for matching with signal levels of the radiotelephone thereby enabling communication of the audio signals via the first cable and communication of the telephonic control signals via the second cable; wherein the computer has a communications program, a first part of the communications program serving to control transmission of the audio signals via the modem over the first cable, and a second part of the communications program generating a portion of the control signals transmitted via the second cable to control operation of the telephone; and the control signal generated by the computer in response to the second part of the communication program provides for set up and answering of calls at the radiotelephone.
Claim 2
Independent Claim
216 words
A system for connection of a radiotelephone to a computer, the system comprising: a radiotelephone and a computer; a modem connecting with the computer for providing communication with the computer via audio signals; an adapter connecting with the radiotelephone; a first communication cable interconnecting directly between the adapter and the modem for communication of the audio signals between the radiotelephone and the modem; a second communication cable interconnecting directly between the adapter and the computer for communication of telephonic control signals between the radiotelephone and the computer; wherein the adapter adapts signal levels of the first cable and of the second cable for matching with signal levels of the radiotelephone thereby enabling communication of the audio signals via the first cable and communication of the telephonic control signals via the second cable; wherein the computer has a communications program, a first part of the communications program serving to control transmission of the audio signals via the modem over the first cable, and a second part of the communications program generating a portion of the control signals transmitted via the second cable to control operation of the telephone; and the control signal generated by the computer in response to the second part of the communication program provides for set up and answering of calls at the radiotelephone.
Claim 3
Dependent Claim
48 words
An system as set forth in claim 1 wherein the radio telephone comprises an internal control bus, and wherein the radio telephone adapter comprises level controlling circuits for audio signal, including an interface matching circuit, for adjusting a level to a value employed by the internal control bus.
Claim 4
Dependent Claim
16 words
An assembly as set forth in claim 1, wherein the computer is a portable personal computer.
Claim 5
Dependent Claim
21 words
A system as set forth in claim 1, wherein the radio telephone is a portable phone operable for a cellular network.
Claim 6
Dependent Claim
21 words
A system as set forth in claim 1, wherein the modem is an internal modem connected to the computer's parallel port.
Claim 7
Dependent Claim
21 words
A system as set forth in claim 1, wherein the computer has a serial port interface which is an RS232 interface.
Claim 8
Dependent Claim
15 words
A system as set forth in claim 1, wherein the modem is a fax modem.
Claim 9
Dependent Claim
20 words
A system as set forth in claim 1, wherein the radio telephone adapter is disposed within a radio telephone housing.
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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) | 2000-08-11 | 2001-02-10 | 2001-08-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2004-08-11 | 2005-02-10 | 2005-08-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2008-08-11 | 2009-02-10 | 2009-08-12 | $7700.00 | Window Closed / Lapsed |