DE3308703A1 - Konferenzgespraechsschaltung - Google Patents

Konferenzgespraechsschaltung

Info

Publication number
DE3308703A1
DE3308703A1 DE19833308703 DE3308703A DE3308703A1 DE 3308703 A1 DE3308703 A1 DE 3308703A1 DE 19833308703 DE19833308703 DE 19833308703 DE 3308703 A DE3308703 A DE 3308703A DE 3308703 A1 DE3308703 A1 DE 3308703A1
Authority
DE
Germany
Prior art keywords
words
digital
conference
conference call
word
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.)
Granted
Application number
DE19833308703
Other languages
German (de)
English (en)
Other versions
DE3308703C2 (OSRAM
Inventor
Andres 07748 Middletown N.J. Albanese
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
Western Electric Co Inc
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 Western Electric Co Inc filed Critical Western Electric Co Inc
Publication of DE3308703A1 publication Critical patent/DE3308703A1/de
Application granted granted Critical
Publication of DE3308703C2 publication Critical patent/DE3308703C2/de
Granted 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S370/00—Multiplex communications
    • Y10S370/914—Rate converter

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Telephonic Communication Services (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
DE19833308703 1982-03-12 1983-03-11 Konferenzgespraechsschaltung Granted DE3308703A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/357,773 US4479212A (en) 1982-03-12 1982-03-12 Conference circuit

Publications (2)

Publication Number Publication Date
DE3308703A1 true DE3308703A1 (de) 1983-09-22
DE3308703C2 DE3308703C2 (OSRAM) 1991-05-23

Family

ID=23406970

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19833308703 Granted DE3308703A1 (de) 1982-03-12 1983-03-11 Konferenzgespraechsschaltung

Country Status (8)

Country Link
US (1) US4479212A (OSRAM)
JP (1) JPS58168374A (OSRAM)
AU (1) AU565653B2 (OSRAM)
BE (1) BE896133A (OSRAM)
DE (1) DE3308703A1 (OSRAM)
FR (1) FR2523387B1 (OSRAM)
GB (1) GB2117601B (OSRAM)
NL (1) NL191918C (OSRAM)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2157129A (en) * 1984-04-06 1985-10-16 Standard Telephones Cables Ltd Conference circuit
AT382989B (de) * 1984-04-27 1987-05-11 Siemens Ag Oesterreich Koppler zur verbindung von n audioeingaengen mit m audioausgaengen, insbesondere fuer konferenzschaltungen
US4603417A (en) * 1984-10-09 1986-07-29 Hitachi, Ltd. PCM coder and decoder
JP2720521B2 (ja) * 1988-06-22 1998-03-04 富士電機株式会社 固体レーザ装置
US5127001A (en) * 1990-06-22 1992-06-30 Unisys Corporation Conference call arrangement for distributed network
DE19716314A1 (de) 1997-04-18 1998-10-22 Alsthom Cge Alcatel Verfahren und Vorrichtung zur Addition von als Abtastwerte vorliegenden Signalen
JP5187618B2 (ja) * 2007-10-03 2013-04-24 横河電機株式会社 カウンタ装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2732603A1 (de) * 1977-07-19 1979-02-01 Siemens Ag Schaltungsanordnung zur umsetzung von analog-signalen in digital-signale und umgekehrt von digital-signalen in analog-signale
US4224688A (en) * 1978-10-30 1980-09-23 Northern Telecom Limited Digital conference circuit

Family Cites Families (8)

* 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 (OSRAM) * 1968-08-27 1971-06-03
US3604855A (en) * 1970-01-02 1971-09-14 Stromberg Carlson Corp Digital conference circuit for pcm signalling system
DE2733227C2 (de) * 1977-07-22 1986-12-04 Siemens AG, 1000 Berlin und 8000 München Anordnung zur Umsetzung von Analog-Signalen in Digital-Signale und umgekehrt von Digital-Signalen in Analog-Signale
US3997730A (en) * 1975-08-29 1976-12-14 Bell Telephone Laboratories, Incorporated Time division conference circuit
NL7807043A (nl) * 1977-07-19 1979-01-23 Siemens Ag Schakelinichting voor het omzetten van analoge signalen in digitale signalen en omgekeerd.
US4109111A (en) * 1977-08-23 1978-08-22 Digital Switch Corporation Method and apparatus for establishing conference calls in a time division multiplex pulse code modulation switching system
US4360910A (en) * 1980-07-23 1982-11-23 The United States Of America As Represented By The Secretary Of The Air Force Digital voice conferencing apparatus in time division multiplex systems

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2732603A1 (de) * 1977-07-19 1979-02-01 Siemens Ag Schaltungsanordnung zur umsetzung von analog-signalen in digital-signale und umgekehrt von digital-signalen in analog-signale
US4224688A (en) * 1978-10-30 1980-09-23 Northern Telecom Limited Digital conference circuit

Also Published As

Publication number Publication date
GB8306445D0 (en) 1983-04-13
US4479212A (en) 1984-10-23
NL191918B (nl) 1996-06-03
JPH0357670B2 (OSRAM) 1991-09-02
DE3308703C2 (OSRAM) 1991-05-23
AU565653B2 (en) 1987-09-24
NL191918C (nl) 1996-10-04
GB2117601B (en) 1986-01-02
JPS58168374A (ja) 1983-10-04
FR2523387A1 (fr) 1983-09-16
AU1196983A (en) 1983-09-15
NL8300902A (nl) 1983-10-03
FR2523387B1 (fr) 1986-08-08
BE896133A (fr) 1983-07-01
GB2117601A (en) 1983-10-12

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Legal Events

Date Code Title Description
8127 New person/name/address of the applicant

Owner name: AT & T TECHNOLOGIES, INC., NEW YORK, N.Y., US

8110 Request for examination paragraph 44
D2 Grant after examination
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Free format text: BLUMBACH, KRAMER & PARTNER, 65193 WIESBADEN

8339 Ceased/non-payment of the annual fee