JPS6351624B2 - - Google Patents

Info

Publication number
JPS6351624B2
JPS6351624B2 JP8276982A JP8276982A JPS6351624B2 JP S6351624 B2 JPS6351624 B2 JP S6351624B2 JP 8276982 A JP8276982 A JP 8276982A JP 8276982 A JP8276982 A JP 8276982A JP S6351624 B2 JPS6351624 B2 JP S6351624B2
Authority
JP
Japan
Prior art keywords
circuit
voltage
power supply
ringing
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.)
Expired
Application number
JP8276982A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58198948A (ja
Inventor
Shinji Nishimura
Yutaka Nishino
Makoto Yoshitoshi
Kaneyuki Nishihara
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.)
NTT Inc
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 JP8276982A priority Critical patent/JPS58198948A/ja
Publication of JPS58198948A publication Critical patent/JPS58198948A/ja
Publication of JPS6351624B2 publication Critical patent/JPS6351624B2/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)
JP8276982A 1982-05-17 1982-05-17 電話機用ト−ンリンガ回路 Granted JPS58198948A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8276982A JPS58198948A (ja) 1982-05-17 1982-05-17 電話機用ト−ンリンガ回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8276982A JPS58198948A (ja) 1982-05-17 1982-05-17 電話機用ト−ンリンガ回路

Publications (2)

Publication Number Publication Date
JPS58198948A JPS58198948A (ja) 1983-11-19
JPS6351624B2 true JPS6351624B2 (OSRAM) 1988-10-14

Family

ID=13783637

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8276982A Granted JPS58198948A (ja) 1982-05-17 1982-05-17 電話機用ト−ンリンガ回路

Country Status (1)

Country Link
JP (1) JPS58198948A (OSRAM)

Also Published As

Publication number Publication date
JPS58198948A (ja) 1983-11-19

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