FR2248656B1 - - Google Patents

Info

Publication number
FR2248656B1
FR2248656B1 FR7434913A FR7434913A FR2248656B1 FR 2248656 B1 FR2248656 B1 FR 2248656B1 FR 7434913 A FR7434913 A FR 7434913A FR 7434913 A FR7434913 A FR 7434913A FR 2248656 B1 FR2248656 B1 FR 2248656B1
Authority
FR
France
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.)
Expired
Application number
FR7434913A
Other versions
FR2248656A1 (fr
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.)
International Standard Electric Corp
Original Assignee
International Standard Electric Corp
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 International Standard Electric Corp filed Critical International Standard Electric Corp
Publication of FR2248656A1 publication Critical patent/FR2248656A1/fr
Application granted granted Critical
Publication of FR2248656B1 publication Critical patent/FR2248656B1/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/04—Selecting arrangements for multiplex systems for time-division multiplexing
    • H04Q11/0407—Selecting arrangements for multiplex systems for time-division multiplexing using a stored programme control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/42—Systems providing special services or facilities to subscribers
    • H04M3/56—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities
    • H04M3/568—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities audio processing specific to telephonic conferencing, e.g. spatial distribution, mixing of participants
    • H04M3/569—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities audio processing specific to telephonic conferencing, e.g. spatial distribution, mixing of participants using the instant speaker's algorithm
FR7434913A 1973-10-18 1974-10-17 Expired FR2248656B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US407686A US3883697A (en) 1973-10-18 1973-10-18 Digital conference circuit

Publications (2)

Publication Number Publication Date
FR2248656A1 FR2248656A1 (fr) 1975-05-16
FR2248656B1 true FR2248656B1 (fr) 1979-02-16

Family

ID=23613113

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7434913A Expired FR2248656B1 (fr) 1973-10-18 1974-10-17

Country Status (6)

Country Link
US (1) US3883697A (fr)
BE (1) BE821219A (fr)
CH (1) CH586496A5 (fr)
DE (1) DE2448712A1 (fr)
FR (1) FR2248656B1 (fr)
GB (1) GB1442238A (fr)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4031328A (en) * 1975-09-18 1977-06-21 Gte Automatic Electric Laboratories Incorporated Conferencing arrangement for use in a PCM system
US4007338A (en) * 1975-09-18 1977-02-08 Gte Automatic Electric Laboratories Incorporated Switching and transmission technique using a method and arrangement of channel allocation for providing conferencing
US4022991A (en) * 1975-09-18 1977-05-10 Gte Automatic Electric Laboratories Incorporated Conferencing arrangement for use in a PCM system
US4313033A (en) * 1978-05-31 1982-01-26 Hughes Aircraft Company Apparatus and method for digital combination of delta modulated data
US4229814A (en) * 1978-07-21 1980-10-21 E-Systems, Inc. Multiplex conference bridge
US4225956A (en) * 1978-08-28 1980-09-30 E-Systems, Inc. Multiplex conference bridge
US4271502A (en) * 1979-06-19 1981-06-02 Magnavox Government And Industrial Electronics Co. Digital voice conferencer
US4388717A (en) * 1981-01-14 1983-06-14 International Telephone And Telegraph Corporation Conference circuit for PCM system
DE3148886C1 (de) * 1981-12-10 1983-08-11 Standard Elektrik Lorenz Ag, 7000 Stuttgart Verfahren und Schaltungsanordnung zum Herstellen einer Konferenzverbindung
US4482997A (en) * 1982-05-27 1984-11-13 At&T Bell Laboratories Arrangement for reducing clipping in a digital conference arrangement
US5572677A (en) * 1994-08-04 1996-11-05 Canon Information Systems, Inc. Method and apparatus for conversing over a network
US5483588A (en) * 1994-12-23 1996-01-09 Latitute Communications Voice processing interface for a teleconference system
US6011909A (en) * 1997-01-06 2000-01-04 Motorola, Inc. Alerting user engaged in a first communications session on a first network to a request to establish a second communications session on a second network

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3551600A (en) * 1968-02-23 1970-12-29 Stromberg Carlson Corp High capacity,high side-tone suppression,4-wire conference circuit
GB1234419A (fr) * 1968-08-27 1971-06-03
US3692947A (en) * 1970-12-21 1972-09-19 Bell Telephone Labor Inc Time division switching system conference circuit
US3735359A (en) * 1971-07-30 1973-05-22 Us Army Digital conference bridge
US3796833A (en) * 1972-07-31 1974-03-12 Bell Telephone Labor Inc Time division communication system
US3787630A (en) * 1972-07-31 1974-01-22 Bell Telephone Labor Inc Time division communication system

Also Published As

Publication number Publication date
DE2448712A1 (de) 1975-04-24
FR2248656A1 (fr) 1975-05-16
GB1442238A (en) 1976-07-14
CH586496A5 (fr) 1977-03-31
AU7392774A (en) 1976-04-08
US3883697A (en) 1975-05-13
BE821219A (fr) 1975-04-18

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Legal Events

Date Code Title Description
ST Notification of lapse