GB8408991D0 - Conference circuit - Google Patents

Conference circuit

Info

Publication number
GB8408991D0
GB8408991D0 GB848408991A GB8408991A GB8408991D0 GB 8408991 D0 GB8408991 D0 GB 8408991D0 GB 848408991 A GB848408991 A GB 848408991A GB 8408991 A GB8408991 A GB 8408991A GB 8408991 D0 GB8408991 D0 GB 8408991D0
Authority
GB
United Kingdom
Prior art keywords
conference circuit
conference
circuit
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.)
Withdrawn
Application number
GB848408991A
Other versions
GB2157129A (en
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.)
STC PLC
Original Assignee
Standard Telephone and Cables PLC
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 Standard Telephone and Cables PLC filed Critical Standard Telephone and Cables PLC
Priority to GB08408991A priority Critical patent/GB2157129A/en
Publication of GB8408991D0 publication Critical patent/GB8408991D0/en
Publication of GB2157129A publication Critical patent/GB2157129A/en
Withdrawn legal-status Critical Current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)
  • Telephonic Communication Services (AREA)
GB08408991A 1984-04-06 1984-04-06 Conference circuit Withdrawn GB2157129A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08408991A GB2157129A (en) 1984-04-06 1984-04-06 Conference circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08408991A GB2157129A (en) 1984-04-06 1984-04-06 Conference circuit

Publications (2)

Publication Number Publication Date
GB8408991D0 true GB8408991D0 (en) 1984-05-16
GB2157129A GB2157129A (en) 1985-10-16

Family

ID=10559312

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08408991A Withdrawn GB2157129A (en) 1984-04-06 1984-04-06 Conference circuit

Country Status (1)

Country Link
GB (1) GB2157129A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03166894A (en) * 1989-11-27 1991-07-18 Matsushita Electric Ind Co Ltd Key telephone system
NO169208C (en) * 1989-12-22 1992-05-20 Alcatel Stk As PROCEDURE AND NODE FOR ESTABLISHING CONFERENCE CONNECTION

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2498403A1 (en) * 1981-01-21 1982-07-23 Telephonie Ind Commerciale METHOD AND DEVICE FOR MIXING LOW FREQUENCY SIGNALS TRANSMITTED BY DIFFERENT TIMEWAYS TO A SAME TELEPHONE RECEIVER
US4389720A (en) * 1981-04-23 1983-06-21 Bell Telephone Laboratories, Incorporated Distributed digital conferencing system
US4430734A (en) * 1981-12-14 1984-02-07 Bell Telephone Laboratories, Incorporated Demultiplexer circuit
US4479212A (en) * 1982-03-12 1984-10-23 At&T Bell Laboratories Conference circuit

Also Published As

Publication number Publication date
GB2157129A (en) 1985-10-16

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)