JPS51144106A - Tone ringer telephone - Google Patents

Tone ringer telephone

Info

Publication number
JPS51144106A
JPS51144106A JP6754475A JP6754475A JPS51144106A JP S51144106 A JPS51144106 A JP S51144106A JP 6754475 A JP6754475 A JP 6754475A JP 6754475 A JP6754475 A JP 6754475A JP S51144106 A JPS51144106 A JP S51144106A
Authority
JP
Japan
Prior art keywords
telephone
tone ringer
dial
switch
ringer
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
JP6754475A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5420365B2 (en:Method
Inventor
Koichi Matsumoto
Isao Kawashima
Makoto Yoshitoshi
Ryoichi Matsuda
Masaaki Terai
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 JP6754475A priority Critical patent/JPS51144106A/ja
Publication of JPS51144106A publication Critical patent/JPS51144106A/ja
Publication of JPS5420365B2 publication Critical patent/JPS5420365B2/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)
JP6754475A 1975-06-06 1975-06-06 Tone ringer telephone Granted JPS51144106A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6754475A JPS51144106A (en) 1975-06-06 1975-06-06 Tone ringer telephone

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6754475A JPS51144106A (en) 1975-06-06 1975-06-06 Tone ringer telephone

Publications (2)

Publication Number Publication Date
JPS51144106A true JPS51144106A (en) 1976-12-10
JPS5420365B2 JPS5420365B2 (en:Method) 1979-07-23

Family

ID=13348002

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6754475A Granted JPS51144106A (en) 1975-06-06 1975-06-06 Tone ringer telephone

Country Status (1)

Country Link
JP (1) JPS51144106A (en:Method)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0568154U (ja) * 1992-02-20 1993-09-10 ナカ電子株式会社 着信ベル光表示装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0568154U (ja) * 1992-02-20 1993-09-10 ナカ電子株式会社 着信ベル光表示装置

Also Published As

Publication number Publication date
JPS5420365B2 (en:Method) 1979-07-23

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