JPS5754035B2 - - Google Patents

Info

Publication number
JPS5754035B2
JPS5754035B2 JP14152077A JP14152077A JPS5754035B2 JP S5754035 B2 JPS5754035 B2 JP S5754035B2 JP 14152077 A JP14152077 A JP 14152077A JP 14152077 A JP14152077 A JP 14152077A JP S5754035 B2 JPS5754035 B2 JP S5754035B2
Authority
JP
Japan
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
JP14152077A
Other languages
Japanese (ja)
Other versions
JPS5474610A (en
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
Priority to JP14152077A priority Critical patent/JPS5474610A/ja
Publication of JPS5474610A publication Critical patent/JPS5474610A/ja
Publication of JPS5754035B2 publication Critical patent/JPS5754035B2/ja
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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
JP14152077A 1977-11-28 1977-11-28 Meeting communication system Granted JPS5474610A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14152077A JPS5474610A (en) 1977-11-28 1977-11-28 Meeting communication system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14152077A JPS5474610A (en) 1977-11-28 1977-11-28 Meeting communication system

Publications (2)

Publication Number Publication Date
JPS5474610A JPS5474610A (en) 1979-06-14
JPS5754035B2 true JPS5754035B2 (US07968547-20110628-C00004.png) 1982-11-16

Family

ID=15293870

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14152077A Granted JPS5474610A (en) 1977-11-28 1977-11-28 Meeting communication system

Country Status (1)

Country Link
JP (1) JPS5474610A (US07968547-20110628-C00004.png)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0519796Y2 (US07968547-20110628-C00004.png) * 1986-02-12 1993-05-25

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56149196A (en) * 1980-04-22 1981-11-18 Hitachi Ltd Many-subscribers calling device
GB8301323D0 (en) * 1983-01-18 1983-02-16 Plessey Co Plc Conference bridge
JPS59152769A (ja) * 1983-02-21 1984-08-31 Hitachi Ltd 会議通話装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0519796Y2 (US07968547-20110628-C00004.png) * 1986-02-12 1993-05-25

Also Published As

Publication number Publication date
JPS5474610A (en) 1979-06-14

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