JPS60142660A - デイジタル構内電子交換機の会議電話方式 - Google Patents

デイジタル構内電子交換機の会議電話方式

Info

Publication number
JPS60142660A
JPS60142660A JP58247246A JP24724683A JPS60142660A JP S60142660 A JPS60142660 A JP S60142660A JP 58247246 A JP58247246 A JP 58247246A JP 24724683 A JP24724683 A JP 24724683A JP S60142660 A JPS60142660 A JP S60142660A
Authority
JP
Japan
Prior art keywords
circuit
conference
telephone
conference telephone
wire
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
JP58247246A
Other languages
English (en)
Japanese (ja)
Other versions
JPH037309B2 (2
Inventor
Tatsuo Takahashi
龍雄 高橋
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.)
NEC Corp
Original Assignee
NEC Corp
Nippon Electric 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
Application filed by NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP58247246A priority Critical patent/JPS60142660A/ja
Publication of JPS60142660A publication Critical patent/JPS60142660A/ja
Publication of JPH037309B2 publication Critical patent/JPH037309B2/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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2203/00—Aspects of automatic or semi-automatic exchanges
    • H04M2203/50—Aspects of automatic or semi-automatic exchanges related to audio conference
    • H04M2203/5063—Centrally initiated conference, i.e. conference server dials participants

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
JP58247246A 1983-12-29 1983-12-29 デイジタル構内電子交換機の会議電話方式 Granted JPS60142660A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP58247246A JPS60142660A (ja) 1983-12-29 1983-12-29 デイジタル構内電子交換機の会議電話方式

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58247246A JPS60142660A (ja) 1983-12-29 1983-12-29 デイジタル構内電子交換機の会議電話方式

Publications (2)

Publication Number Publication Date
JPS60142660A true JPS60142660A (ja) 1985-07-27
JPH037309B2 JPH037309B2 (2) 1991-02-01

Family

ID=17160626

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58247246A Granted JPS60142660A (ja) 1983-12-29 1983-12-29 デイジタル構内電子交換機の会議電話方式

Country Status (1)

Country Link
JP (1) JPS60142660A (2)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5918930A (en) * 1996-10-07 1999-07-06 Jc Associates Co., Ltd. Vehicle seat
US5921858A (en) * 1996-10-07 1999-07-13 Jc Associates Co., Ltd. Ventilator for use with vehicle seat

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5773558A (en) * 1980-10-24 1982-05-08 Toshiba Corp Callout system
JPS57147367A (en) * 1981-03-09 1982-09-11 Hitachi Ltd Conference trunk
JPS59139758A (ja) * 1983-01-31 1984-08-10 Fujitsu Ltd 会議方式

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5773558A (en) * 1980-10-24 1982-05-08 Toshiba Corp Callout system
JPS57147367A (en) * 1981-03-09 1982-09-11 Hitachi Ltd Conference trunk
JPS59139758A (ja) * 1983-01-31 1984-08-10 Fujitsu Ltd 会議方式

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5918930A (en) * 1996-10-07 1999-07-06 Jc Associates Co., Ltd. Vehicle seat
US5921858A (en) * 1996-10-07 1999-07-13 Jc Associates Co., Ltd. Ventilator for use with vehicle seat

Also Published As

Publication number Publication date
JPH037309B2 (2) 1991-02-01

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