JPS6354278B2 - - Google Patents

Info

Publication number
JPS6354278B2
JPS6354278B2 JP56161752A JP16175281A JPS6354278B2 JP S6354278 B2 JPS6354278 B2 JP S6354278B2 JP 56161752 A JP56161752 A JP 56161752A JP 16175281 A JP16175281 A JP 16175281A JP S6354278 B2 JPS6354278 B2 JP S6354278B2
Authority
JP
Japan
Prior art keywords
circuit
ring tone
call
signal
speaker
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
JP56161752A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5862956A (ja
Inventor
Teruyuki Kubo
Juichi Yamazaki
Kenichi Ishii
Tsuneji Kimeda
Shinichi Mori
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.)
Nippon Telegraph and Telephone Corp
Original Assignee
Nippon Telegraph and Telephone Corp
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 Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Priority to JP16175281A priority Critical patent/JPS5862956A/ja
Publication of JPS5862956A publication Critical patent/JPS5862956A/ja
Publication of JPS6354278B2 publication Critical patent/JPS6354278B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M9/00—Arrangements for interconnection not involving centralised switching
    • H04M9/08—Two-way loud-speaking telephone systems with means for conditioning the signal, e.g. for suppressing echoes for one or both directions of traffic

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
JP16175281A 1981-10-09 1981-10-09 ボタン電話機の着信音送出回路 Granted JPS5862956A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16175281A JPS5862956A (ja) 1981-10-09 1981-10-09 ボタン電話機の着信音送出回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16175281A JPS5862956A (ja) 1981-10-09 1981-10-09 ボタン電話機の着信音送出回路

Publications (2)

Publication Number Publication Date
JPS5862956A JPS5862956A (ja) 1983-04-14
JPS6354278B2 true JPS6354278B2 (fr) 1988-10-27

Family

ID=15741209

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16175281A Granted JPS5862956A (ja) 1981-10-09 1981-10-09 ボタン電話機の着信音送出回路

Country Status (1)

Country Link
JP (1) JPS5862956A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3996611B2 (ja) 2005-08-29 2007-10-24 Ｎｅｃインフロンティア株式会社 コンピュータ端末対応音声通話システム

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49106704A (fr) * 1973-02-10 1974-10-09
JPS5435604A (en) * 1977-08-25 1979-03-15 Toshiba Corp Ringing system of push-button telephone set
JPS5611555B2 (fr) * 1973-07-16 1981-03-14

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5931090Y2 (ja) * 1979-07-06 1984-09-04 松下電器産業株式会社 ボタン電話機

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49106704A (fr) * 1973-02-10 1974-10-09
JPS5611555B2 (fr) * 1973-07-16 1981-03-14
JPS5435604A (en) * 1977-08-25 1979-03-15 Toshiba Corp Ringing system of push-button telephone set

Also Published As

Publication number Publication date
JPS5862956A (ja) 1983-04-14

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