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GB2134751B - Conference bridge - Google Patents
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GB2134751B - Conference bridge - Google Patents

Conference bridge

Info

Publication number
GB2134751B
GB2134751B GB08400857A GB8400857A GB2134751B GB 2134751 B GB2134751 B GB 2134751B GB 08400857 A GB08400857 A GB 08400857A GB 8400857 A GB8400857 A GB 8400857A GB 2134751 B GB2134751 B GB 2134751B
Authority
GB
United Kingdom
Prior art keywords
conference bridge
conference
bridge
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.)
Expired
Application number
GB08400857A
Other versions
GB8400857D0 (en
GB2134751A (en
Inventor
Paul Allan
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.)
GE Healthcare UK Ltd
Plessey Co Ltd
Original Assignee
GE Healthcare UK Ltd
Plessey Co Ltd
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
Priority claimed from GB838301323A external-priority patent/GB8301323D0/en
Application filed by GE Healthcare UK Ltd, Plessey Co Ltd filed Critical GE Healthcare UK Ltd
Priority to GB08400857A priority Critical patent/GB2134751B/en
Publication of GB8400857D0 publication Critical patent/GB8400857D0/en
Publication of GB2134751A publication Critical patent/GB2134751A/en
Application granted granted Critical
Publication of GB2134751B publication Critical patent/GB2134751B/en
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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Time-Division Multiplex Systems (AREA)
GB08400857A 1983-01-18 1984-01-13 Conference bridge Expired GB2134751B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08400857A GB2134751B (en) 1983-01-18 1984-01-13 Conference bridge

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB838301323A GB8301323D0 (en) 1983-01-18 1983-01-18 Conference bridge
GB08400857A GB2134751B (en) 1983-01-18 1984-01-13 Conference bridge

Publications (3)

Publication Number Publication Date
GB8400857D0 GB8400857D0 (en) 1984-02-15
GB2134751A GB2134751A (en) 1984-08-15
GB2134751B true GB2134751B (en) 1986-07-30

Family

ID=26284942

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08400857A Expired GB2134751B (en) 1983-01-18 1984-01-13 Conference bridge

Country Status (1)

Country Link
GB (1) GB2134751B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2183965A (en) * 1985-12-10 1987-06-10 Weng Pu San Circuit structure of teleconference
US4797876A (en) * 1987-07-10 1989-01-10 Solid State Systems, Inc. Conferencing bridge
IT1271189B (en) * 1994-06-21 1997-05-27 Giacomino Bucchi TELEPHONE CONNECTION PROCEDURE, IN PARTICULAR FOR TELEPHONE AND SIMILAR CONFERENCES

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1027265A (en) * 1975-04-23 1978-02-28 Alan S.J. Chapman Method and apparatus for establishing a plurality of simultaneous conferences in a pcm switching system
FR2310669A1 (en) * 1975-05-07 1976-12-03 Labo Cent Telecommunicat MULTIPLE CONNECTION DEVICE FOR TIME-DISTRIBUTED DIGITAL SWITCHING CENTER
DE2733227C2 (en) * 1977-07-22 1986-12-04 Siemens AG, 1000 Berlin und 8000 München Arrangement for converting analog signals into digital signals and vice versa from digital signals into analog signals
FR2332663A1 (en) * 1975-11-20 1977-06-17 Labo Cent Telecommunicat CONFERENCE CIRCUIT FOR MIC SWITCHING NETWORK
US4224688A (en) * 1978-10-30 1980-09-23 Northern Telecom Limited Digital conference circuit
US4340960A (en) * 1980-07-25 1982-07-20 Bell Telephone Laboratories, Incorporated Time division switching system

Also Published As

Publication number Publication date
GB8400857D0 (en) 1984-02-15
GB2134751A (en) 1984-08-15

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee