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WO1994014268A1 - Interface d'ordinateur et de modem - Google Patents

Interface d'ordinateur et de modem Download PDF

Info

Publication number
WO1994014268A1
WO1994014268A1 PCT/AU1992/000651 AU9200651W WO9414268A1 WO 1994014268 A1 WO1994014268 A1 WO 1994014268A1 AU 9200651 W AU9200651 W AU 9200651W WO 9414268 A1 WO9414268 A1 WO 9414268A1
Authority
WO
WIPO (PCT)
Prior art keywords
modem
circuitry
telephone
computer
interface
Prior art date
Application number
PCT/AU1992/000651
Other languages
English (en)
Inventor
Bryce Letcher
John Dellios
Original Assignee
Intercel Pty. Limited
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Intercel Pty. Limited filed Critical Intercel Pty. Limited
Priority to PCT/AU1992/000651 priority Critical patent/WO1994014268A1/fr
Publication of WO1994014268A1 publication Critical patent/WO1994014268A1/fr

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02—Terminal devices
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
    • H04M11/06—Simultaneous speech and data transmission, e.g. telegraphic transmission over the same conductors

Definitions

  • This invention relates to a computer and modem interface for a mobile telephone and in particular to an interface which gives a very simple arrangement whereby a computer, normally a lap top or note book computer, can be connected by way of the interface to a mobile telephone to permit communications from or to the computer via the normal and mobile telephone network.
  • the principal object of this invention is to provide a system whereby this can be done.
  • the invention includes a computer and modem interface for a mobile telephone including hardware which includes cabling and circuitry adapted to be connected between a port of a computer and the connection to digital and/or analogue signals of the mobile phone and which also has means whereby connection can be made to a modem, the circuitry being such that the system can generate a pulse train equivalent to a telephone number required to be dialled by the telephone and can cause this to be transmitted by way of the circuitry to the transceiver together with a send signal whereby the required number is called and means the modem is operatively connected to the circuitry and information can be transmitted by or to the modem using normal protocols.
  • the connector is connected directly to the modem and where it is an external modem the connector is connected to the modem and the modem is connected, in the normal way, to a serial port of the computer.
  • a computer 10 which would normally be a laptop or note book computer which is shown as having a parallel port 11 and a serial port 12.
  • a cable assembly 15 which at one end has a parallel port connector 16 and at the other end a DB25 connector 17, the connectors 16,17 being interconnected by a 16 way multi- core cable 18.
  • the circuitry is located in the connector 16. Whilst having an output 13 to the mobile telephone handset and an output 14 to the mobile telephone or transceiver.
  • the connector 16 which is connected to the parallel port also has a modular modem connection 20 thereto having a cable 21 which can be interconnected with an internal modem 22 or external modem 23.
  • connection may be by means of a modular socket 25 located in the connector 16 and the cable can have modular plugs 24 at each end.
  • the circuitry located in the connector 16 includes a power regulator integrated circuit which takes power from the cellular mobile telephone or from an external source and converts this to the required voltage, which may be 5 volts.
  • the circuitry also includes a 2 to 4 wire hybrid buffer/amplifier stage which connects the receiver and transmitter audio from the cellular mobile telephone to the modular socket 25 so that audio can be transmitted to and from the modem 22,23 by connection 20.
  • the gain of the audio signal can be set for the particular cellular mobile telephone by an analog switch which can be software controlled as will be described later herein.
  • the circuitry also includes a data switch enabling the device to communicate with cellular mobile telephones with bi-directional data lines and this is controlled by way of the parallel port 11.
  • the device may also include an integrated transistor array which buffers data signals from the cellular mobile telephone to the parallel port.
  • SUBSTITUTE SHEET The device includes, under software control setup, auto answer and auto dial function.
  • the setup can be menu driven so that the type of cellular mobile telephone is selected, and this is used to control the gain previously referred, the type of modem, to ensure correct communication between the computer and the modem, hot keys, if these are required, and a ring delay time.
  • the auto dial module consists of two parts.
  • the first can be a dial window which can be controlled by a hot key selected from the setup program and which provides a prompt for the number to be dialled or, include the capability of making a selection from predetermined numbers.
  • the modem 22,23 associated with the computer communicates with the distant modem and when the carrier "off" from the modem is received then an end signal is generated by the computer and transmitted to the cellular mobile telephone thus breaking the contact and leaving the mobile telephone in its normal idle mode.
  • the circuitry also includes an auto answer arrangement which runs in background in the computer. •
  • This program monitors the signal at the parallel port 11 and when this matches with an incoming call code the program causes the modem be placed "on line” and then sends a send signal to the transceiver to initiate communications. After this signal is sent, the communications will be controlled by the modem 22,23 and the distant modem in the conventional way.

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Telephonic Communication Services (AREA)
  • Communication Control (AREA)

Abstract

Interface d'ordinateur et de modem pour un poste radiotéléphonique mobile, qui est adaptée pour être connectée entre un point d'accès (11) d'un ordinateur et le poste radiotéléphonique mobile et pour être connectée à un modem qui peut être situé à l'intérieur (22) ou à l'extérieur (23) de l'ordinateur. L'interface inclut un circuit (16) tel que le système peut générer un train d'impulsions équivalent à un numéro de téléphone devant être composé par l'intermédiaire du téléphone et dans la forme requise par le téléphone. Ledit système peut en outre transmettre le train d'impulsions par l'intermédiaire du circuit au transducteur du téléphone avec un signal d'émission si bien que le numéro requis peut être appelé. Ladite interface possède également un dispositif pour connecter opérativement le modem au circuit de manière à ce que les informations puissent être transmises par l'intermédiaire du poste radiotéléphonique mobile.
PCT/AU1992/000651 1992-12-04 1992-12-04 Interface d'ordinateur et de modem WO1994014268A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/AU1992/000651 WO1994014268A1 (fr) 1992-12-04 1992-12-04 Interface d'ordinateur et de modem

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/AU1992/000651 WO1994014268A1 (fr) 1992-12-04 1992-12-04 Interface d'ordinateur et de modem

Publications (1)

Publication Number Publication Date
WO1994014268A1 true WO1994014268A1 (fr) 1994-06-23

Family

ID=3764053

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/AU1992/000651 WO1994014268A1 (fr) 1992-12-04 1992-12-04 Interface d'ordinateur et de modem

Country Status (1)

Country Link
WO (1) WO1994014268A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996035286A1 (fr) * 1995-05-03 1996-11-07 Nokia Mobile Phones Ltd. Adaptateur de donnees
AU691740B2 (en) * 1995-04-14 1998-05-21 Lenovo Innovations Limited (Hong Kong) Data communication interface having status memory for storing conditions of radio channel

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2170977A (en) * 1985-02-08 1986-08-13 Oki Electric Ind Co Ltd Mobile radio telephone
GB2177572A (en) * 1985-06-29 1987-01-21 Oki Electric Ind Co Ltd Mobile radiotelephone systems
WO1990003076A1 (fr) * 1988-09-01 1990-03-22 Intelligence Technology Corporation Procede et appareil de commande de transmission de signaux de voix et de donnees
AU7844191A (en) * 1990-06-14 1991-12-19 Australian And Overseas Telecommunications Corporation Limited An interface circuit
WO1992010047A1 (fr) * 1990-11-26 1992-06-11 Nokia Matkapuhelimet Oy Agencement destine a relier un ordinateur a un telephone analogique individuel
EP0499012A2 (fr) * 1991-02-13 1992-08-19 OIS Optical Imaging Systems, Inc. Appareil de télécommunications portable et compact pour la voix et les données

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2170977A (en) * 1985-02-08 1986-08-13 Oki Electric Ind Co Ltd Mobile radio telephone
GB2177572A (en) * 1985-06-29 1987-01-21 Oki Electric Ind Co Ltd Mobile radiotelephone systems
WO1990003076A1 (fr) * 1988-09-01 1990-03-22 Intelligence Technology Corporation Procede et appareil de commande de transmission de signaux de voix et de donnees
AU7844191A (en) * 1990-06-14 1991-12-19 Australian And Overseas Telecommunications Corporation Limited An interface circuit
WO1992010047A1 (fr) * 1990-11-26 1992-06-11 Nokia Matkapuhelimet Oy Agencement destine a relier un ordinateur a un telephone analogique individuel
EP0499012A2 (fr) * 1991-02-13 1992-08-19 OIS Optical Imaging Systems, Inc. Appareil de télécommunications portable et compact pour la voix et les données

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU691740B2 (en) * 1995-04-14 1998-05-21 Lenovo Innovations Limited (Hong Kong) Data communication interface having status memory for storing conditions of radio channel
WO1996035286A1 (fr) * 1995-05-03 1996-11-07 Nokia Mobile Phones Ltd. Adaptateur de donnees
GB2313526A (en) * 1995-05-03 1997-11-26 Nokia Mobile Phones Ltd Data adapter
GB2313526B (en) * 1995-05-03 1998-04-22 Nokia Mobile Phones Ltd Data adapter
US5884103A (en) * 1995-05-03 1999-03-16 Nokia Mobile Phones, Ltd. Data terminal with adapter for selectively modifying data transmitted to and from
DE19680530B4 (de) * 1995-05-03 2004-04-08 Nokia Mobile Phones Ltd. Datenadapter

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