JPS6347185B2 - - Google Patents

Info

Publication number
JPS6347185B2
JPS6347185B2 JP56101294A JP10129481A JPS6347185B2 JP S6347185 B2 JPS6347185 B2 JP S6347185B2 JP 56101294 A JP56101294 A JP 56101294A JP 10129481 A JP10129481 A JP 10129481A JP S6347185 B2 JPS6347185 B2 JP S6347185B2
Authority
JP
Japan
Prior art keywords
tone
circuit
telephone
signal
oscillator
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
JP56101294A
Other languages
English (en)
Japanese (ja)
Other versions
JPS585067A (ja
Inventor
Ryozo Nunokawa
Naoki Matsuo
Fujio Amamya
Ryuichi Shibata
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 JP10129481A priority Critical patent/JPS585067A/ja
Publication of JPS585067A publication Critical patent/JPS585067A/ja
Publication of JPS6347185B2 publication Critical patent/JPS6347185B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M19/00—Current supply arrangements for telephone systems
    • H04M19/02—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone
    • H04M19/04—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone the ringing-current being generated at the substations

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Devices For Supply Of Signal Current (AREA)
JP10129481A 1981-07-01 1981-07-01 デイジタル電話機の呼出回路 Granted JPS585067A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10129481A JPS585067A (ja) 1981-07-01 1981-07-01 デイジタル電話機の呼出回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10129481A JPS585067A (ja) 1981-07-01 1981-07-01 デイジタル電話機の呼出回路

Publications (2)

Publication Number Publication Date
JPS585067A JPS585067A (ja) 1983-01-12
JPS6347185B2 true JPS6347185B2 (en]) 1988-09-20

Family

ID=14296813

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10129481A Granted JPS585067A (ja) 1981-07-01 1981-07-01 デイジタル電話機の呼出回路

Country Status (1)

Country Link
JP (1) JPS585067A (en])

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20180126945A1 (en) * 2015-04-20 2018-05-10 Trw Automotive Gmbh Front-head/chest airbag

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07112211B2 (ja) * 1988-02-18 1995-11-29 日本電信電話株式会社 可聴音送出機能付きディジタル電話機
JPH0722282Y2 (ja) * 1989-07-31 1995-05-24 有限会社フィットネス・アイ ボディビル用ベンチ

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5836557B2 (ja) * 1976-04-24 1983-08-10 富士通株式会社 時分割交換方式
JPS5855710B2 (ja) * 1978-03-28 1983-12-10 松下電器産業株式会社 多局インタ−ホン装置
JPS54163608A (en) * 1978-06-15 1979-12-26 Nippon Telegraph & Telephone Signal transmission system of digital telephone

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20180126945A1 (en) * 2015-04-20 2018-05-10 Trw Automotive Gmbh Front-head/chest airbag

Also Published As

Publication number Publication date
JPS585067A (ja) 1983-01-12

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