BE869933A - Circuit de conference a voies multiples - Google Patents

Circuit de conference a voies multiples

Info

Publication number
BE869933A
BE869933A BE2057229A BE2057229A BE869933A BE 869933 A BE869933 A BE 869933A BE 2057229 A BE2057229 A BE 2057229A BE 2057229 A BE2057229 A BE 2057229A BE 869933 A BE869933 A BE 869933A
Authority
BE
Belgium
Prior art keywords
lane
conference circuit
conference
circuit
lane conference
Prior art date
Application number
BE2057229A
Other languages
English (en)
Inventor
D W Mclaughlin
G F Fetterer
Original Assignee
Gte Automatic Electric Lab 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 Gte Automatic Electric Lab Inc filed Critical Gte Automatic Electric Lab Inc
Publication of BE869933A publication Critical patent/BE869933A/fr

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
    • H04M3/568—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Telephonic Communication Services (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
BE2057229A 1977-12-05 1978-08-24 Circuit de conference a voies multiples BE869933A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/857,168 US4175215A (en) 1977-12-05 1977-12-05 Multiport conference circuit

Publications (1)

Publication Number Publication Date
BE869933A true BE869933A (fr) 1978-12-18

Family

ID=25325362

Family Applications (1)

Application Number Title Priority Date Filing Date
BE2057229A BE869933A (fr) 1977-12-05 1978-08-24 Circuit de conference a voies multiples

Country Status (4)

Country Link
US (1) US4175215A (fr)
BE (1) BE869933A (fr)
CA (1) CA1101529A (fr)
IT (1) IT1100533B (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4254497A (en) * 1979-08-06 1981-03-03 Gte Automatic Electric Laboratories, Inc. Multiport conference circuit with voice level coding
US4257120A (en) * 1979-08-06 1981-03-17 Gte Automatic Electric Laboratories Incorporated Multiport conference circuit with multi-frame summing
US4274155A (en) * 1979-08-06 1981-06-16 Gte Automatic Electric Laboratories Inc. Multiport conference circuit with multi-frame summing and voice level coding
US4475190A (en) * 1982-05-27 1984-10-02 At&T Bell Laboratories Method and apparatus for controlling ports in a digital conference arrangement
GB2128448B (en) * 1982-10-08 1985-11-13 Standard Telephones Cables Ltd Telephone exchange conference circuit
US4479211A (en) * 1982-10-29 1984-10-23 At&T Bell Laboratories Method and apparatus for controlling ports in a digital conference arrangement
US4466093A (en) * 1982-12-27 1984-08-14 Gte Automatic Electric Inc. Time shared conference arrangement
US4466092A (en) * 1982-12-27 1984-08-14 Gte Automatic Electric Inc. Test data insertion arrangement for a conference circuit
US4466094A (en) * 1982-12-27 1984-08-14 Gte Automatic Electric Inc. Data capture arrangement for a conference circuit
EP0215167A1 (fr) * 1984-03-13 1987-03-25 Australian And Overseas Telecommunications Corporation Algorithme du locuteur actif pour pont de conférence numérique
US5007050A (en) * 1987-03-27 1991-04-09 Teletec Corporation Bidirectional digital serial interface for communication digital signals including digitized audio between microprocessor-based control and transceiver units of two-way radio communications equipment
US5020135A (en) * 1987-03-27 1991-05-28 Teletec Corporation Computerized multistandard, field-convertible, multiregional/multiservice, remote controllable, remote programmable mobile two-way radio system with digital serial bus link, built-in programmer and autodiagnostics

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US4022981A (en) * 1976-07-28 1977-05-10 Gte Automatic Electric Laboratories Incorporated Conference circuit for pulse coded modulated telephony
US4054755A (en) * 1976-10-14 1977-10-18 Gte Automatic Electric Laboratories Incorporated Conference circuit for pulse coded modulated telephony

Also Published As

Publication number Publication date
US4175215A (en) 1979-11-20
IT7830422A0 (it) 1978-12-01
CA1101529A (fr) 1981-05-19
IT1100533B (it) 1985-09-28

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: GTE AUTOMATIC ELECTRIC LABORATORIES INC.

Effective date: 19870831