FR1602502A - - Google Patents

Info

Publication number
FR1602502A
FR1602502A FR147879A FR1602502DA FR1602502A FR 1602502 A FR1602502 A FR 1602502A FR 147879 A FR147879 A FR 147879A FR 1602502D A FR1602502D A FR 1602502DA FR 1602502 A FR1602502 A FR 1602502A
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
FR147879A
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 filed Critical
Application granted granted Critical
Publication of FR1602502A publication Critical patent/FR1602502A/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H04M3/561—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities by multiplexing
FR147879A 1968-04-11 1968-04-11 Expired FR1602502A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR147879 1968-04-11

Publications (1)

Publication Number Publication Date
FR1602502A true FR1602502A (fr) 1970-12-21

Family

ID=8648894

Family Applications (1)

Application Number Title Priority Date Filing Date
FR147879A Expired FR1602502A (fr) 1968-04-11 1968-04-11

Country Status (7)

Country Link
US (1) US3612772A (fr)
BE (1) BE731290A (fr)
CH (1) CH505518A (fr)
DE (1) DE1918100A1 (fr)
FR (1) FR1602502A (fr)
GB (1) GB1237053A (fr)
NL (1) NL6905668A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2398424A1 (fr) * 1977-07-19 1979-02-16 Siemens Ag Montage pour la conversion de signaux analogues, notamment de signaux pam, en signaux numeriques, notamment en signaux pcm, et inversement pour la conversion de signaux numeriques en signaux analogiques

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1301905A (fr) * 1970-06-04 1973-01-04
US3882280A (en) * 1973-12-19 1975-05-06 Magnavox Co Method and apparatus for combining digitized information
US3958084A (en) * 1974-09-30 1976-05-18 Rockwell International Corporation Conferencing apparatus
CA1027265A (fr) * 1975-04-23 1978-02-28 Alan S.J. Chapman Methode et dispositif permettant de tenir plusieurs conferences simultanees dans un systeme a commutation par modulation d'impulsions codees
DE2535506C2 (de) * 1975-08-08 1986-10-02 The Magnavox Co., Fort Wayne, Ind. Verfahren und Einrichtung zur zeitmultiplexen Steuerung des Datenflusses innerhalb eines mehrkanaligen digitalen Übertragungssystems

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3399275A (en) * 1964-07-13 1968-08-27 Stromberg Carlson Corp Conference circuit with suppressed sidetones
US3387095A (en) * 1965-04-13 1968-06-04 Bell Telephone Labor Inc Conference synchronizing system
GB1102020A (en) * 1965-08-26 1968-02-07 Peter Heaton Improvements relating to digital telephone systems
US3495041A (en) * 1967-03-14 1970-02-10 Bell Telephone Labor Inc Tdm conference control circuit featuring crosstalk reduction by changing the sequence of station interconnections
US3530246A (en) * 1967-08-29 1970-09-22 Bell Telephone Labor Inc Digital conferencing of vocoders
US3551600A (en) * 1968-02-23 1970-12-29 Stromberg Carlson Corp High capacity,high side-tone suppression,4-wire conference circuit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2398424A1 (fr) * 1977-07-19 1979-02-16 Siemens Ag Montage pour la conversion de signaux analogues, notamment de signaux pam, en signaux numeriques, notamment en signaux pcm, et inversement pour la conversion de signaux numeriques en signaux analogiques

Also Published As

Publication number Publication date
US3612772A (en) 1971-10-12
DE1918100A1 (de) 1969-10-23
BE731290A (fr) 1969-10-10
CH505518A (fr) 1971-03-31
NL6905668A (fr) 1969-10-14
GB1237053A (en) 1971-06-30

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Legal Events

Date Code Title Description
ST Notification of lapse