JPS5439089B2 - - Google Patents

Info

Publication number
JPS5439089B2
JPS5439089B2 JP5826875A JP5826875A JPS5439089B2 JP S5439089 B2 JPS5439089 B2 JP S5439089B2 JP 5826875 A JP5826875 A JP 5826875A JP 5826875 A JP5826875 A JP 5826875A JP S5439089 B2 JPS5439089 B2 JP S5439089B2
Authority
JP
Japan
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
JP5826875A
Other languages
Japanese (ja)
Other versions
JPS51132905A (en
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 filed Critical
Priority to JP5826875A priority Critical patent/JPS51132905A/ja
Publication of JPS51132905A publication Critical patent/JPS51132905A/ja
Publication of JPS5439089B2 publication Critical patent/JPS5439089B2/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)
JP5826875A 1975-05-14 1975-05-14 Telephone call apparatus Granted JPS51132905A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5826875A JPS51132905A (en) 1975-05-14 1975-05-14 Telephone call apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5826875A JPS51132905A (en) 1975-05-14 1975-05-14 Telephone call apparatus

Publications (2)

Publication Number Publication Date
JPS51132905A JPS51132905A (en) 1976-11-18
JPS5439089B2 true JPS5439089B2 (OSRAM) 1979-11-26

Family

ID=13079413

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5826875A Granted JPS51132905A (en) 1975-05-14 1975-05-14 Telephone call apparatus

Country Status (1)

Country Link
JP (1) JPS51132905A (OSRAM)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53119810U (OSRAM) * 1977-02-28 1978-09-22

Also Published As

Publication number Publication date
JPS51132905A (en) 1976-11-18

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