CA2240906A1 - Appareil et procede facilitant l'etablissement de deux communications a l'aide d'une interface analogique connectee a un reseau telephonique - Google Patents

Appareil et procede facilitant l'etablissement de deux communications a l'aide d'une interface analogique connectee a un reseau telephonique Download PDF

Info

Publication number
CA2240906A1
CA2240906A1 CA 2240906 CA2240906A CA2240906A1 CA 2240906 A1 CA2240906 A1 CA 2240906A1 CA 2240906 CA2240906 CA 2240906 CA 2240906 A CA2240906 A CA 2240906A CA 2240906 A1 CA2240906 A1 CA 2240906A1
Authority
CA
Canada
Prior art keywords
information
communication
terminal
independent
call
Prior art date
Legal status (The legal status 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 status listed.)
Abandoned
Application number
CA 2240906
Other languages
English (en)
Inventor
Paul Edward Crouch
Frederick Murray Burg
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AT&T Corp
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2240906A1 publication Critical patent/CA2240906A1/fr
Abandoned legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q5/00—Selecting arrangements wherein two or more subscriber stations are connected by the same line to the exchange
    • H04Q5/02—Selecting arrangements wherein two or more subscriber stations are connected by the same line to the exchange with direct connection for all subscribers, i.e. party-line systems

Abstract

L'invention se rapporte à un appareil d'interface qui combine plusieurs communications au niveau de locaux raccordés par un point de liaison unique à un réseau téléphonique possédant un numéro de téléphone unique.
CA 2240906 1996-05-09 1997-05-09 Appareil et procede facilitant l'etablissement de deux communications a l'aide d'une interface analogique connectee a un reseau telephonique Abandoned CA2240906A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US64730296A 1996-05-09 1996-05-09
US08/647,302 1996-05-09
US73357796A 1996-10-18 1996-10-18
US08/733,577 1996-10-18

Publications (1)

Publication Number Publication Date
CA2240906A1 true CA2240906A1 (fr) 1997-11-13

Family

ID=27095124

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2240906 Abandoned CA2240906A1 (fr) 1996-05-09 1997-05-09 Appareil et procede facilitant l'etablissement de deux communications a l'aide d'une interface analogique connectee a un reseau telephonique

Country Status (3)

Country Link
EP (1) EP0864235A2 (fr)
CA (1) CA2240906A1 (fr)
WO (1) WO1997042773A2 (fr)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3440307A1 (de) * 1984-11-05 1986-05-22 Telefonbau Und Normalzeit Gmbh, 6000 Frankfurt Schaltungsanordnung fuer zweieranschluesse bei fernmelde-, insbesondere fernsprechvermittlungsanlagen
US4757495A (en) * 1986-03-05 1988-07-12 Telebit Corporation Speech and data multiplexor optimized for use over impaired and bandwidth restricted analog channels
US5214650A (en) * 1990-11-19 1993-05-25 Ag Communication Systems Corporation Simultaneous voice and data system using the existing two-wire inter-face
US5182768A (en) * 1991-10-21 1993-01-26 Nitsuko Corporation Digital telephone set capable of being simultaneously used by a plurality of persons by using one transmission line
US5513212A (en) * 1993-11-15 1996-04-30 At&T Corp. Conversion of a fax modulation to a data modulation
US5428608A (en) * 1993-12-30 1995-06-27 At&T Corp. Call connection technique
US5684825A (en) * 1994-03-23 1997-11-04 Paradyne Corporation Independently switched voice and data calls using a simultaneous voice and data modem

Also Published As

Publication number Publication date
WO1997042773A2 (fr) 1997-11-13
WO1997042773A3 (fr) 1998-05-07
EP0864235A2 (fr) 1998-09-16

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Legal Events

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EEER Examination request
FZDE Dead