JPS6075161A - 会議電話雑音插入装置 - Google Patents

会議電話雑音插入装置

Info

Publication number
JPS6075161A
JPS6075161A JP18361283A JP18361283A JPS6075161A JP S6075161 A JPS6075161 A JP S6075161A JP 18361283 A JP18361283 A JP 18361283A JP 18361283 A JP18361283 A JP 18361283A JP S6075161 A JPS6075161 A JP S6075161A
Authority
JP
Japan
Prior art keywords
noise
output
signal
circuit
channels
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
JP18361283A
Other languages
English (en)
Japanese (ja)
Other versions
JPH021464B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html
Inventor
Yasuo Ito
泰雄 伊藤
Yoshiji Furuya
古屋　宣二
Masaharu Shimada
正治 島田
Kazuo Murano
和雄 村野
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.)
Fujitsu Ltd
NEC Corp
Nippon Telegraph and Telephone Corp
Original Assignee
Fujitsu Ltd
NEC Corp
Nippon Telegraph and Telephone 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 Fujitsu Ltd, NEC Corp, Nippon Telegraph and Telephone Corp, Nippon Electric Co Ltd filed Critical Fujitsu Ltd
Priority to JP18361283A priority Critical patent/JPS6075161A/ja
Publication of JPS6075161A publication Critical patent/JPS6075161A/ja
Publication of JPH021464B2 publication Critical patent/JPH021464B2/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
    • H04M2203/35—Aspects of automatic or semi-automatic exchanges related to information services provided via a voice call
    • H04M2203/352—In-call/conference information service

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
JP18361283A 1983-09-30 1983-09-30 会議電話雑音插入装置 Granted JPS6075161A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18361283A JPS6075161A (ja) 1983-09-30 1983-09-30 会議電話雑音插入装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18361283A JPS6075161A (ja) 1983-09-30 1983-09-30 会議電話雑音插入装置

Publications (2)

Publication Number Publication Date
JPS6075161A true JPS6075161A (ja) 1985-04-27
JPH021464B2 JPH021464B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1990-01-11

Family

ID=16138833

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18361283A Granted JPS6075161A (ja) 1983-09-30 1983-09-30 会議電話雑音插入装置

Country Status (1)

Country Link
JP (1) JPS6075161A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Also Published As

Publication number Publication date
JPH021464B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1990-01-11

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