JPS5259504A - Dc power supply circuit for push-button telephone - Google Patents

Dc power supply circuit for push-button telephone

Info

Publication number
JPS5259504A
JPS5259504A JP13528375A JP13528375A JPS5259504A JP S5259504 A JPS5259504 A JP S5259504A JP 13528375 A JP13528375 A JP 13528375A JP 13528375 A JP13528375 A JP 13528375A JP S5259504 A JPS5259504 A JP S5259504A
Authority
JP
Japan
Prior art keywords
power supply
supply circuit
push
button telephone
telephone
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.)
Pending
Application number
JP13528375A
Other languages
English (en)
Inventor
Norihisa Hijikata
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.)
Iwatsu Electric Co Ltd
Iwasaki Tsushinki KK
Original Assignee
Iwatsu Electric Co Ltd
Iwasaki Tsushinki KK
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 Iwatsu Electric Co Ltd, Iwasaki Tsushinki KK filed Critical Iwatsu Electric Co Ltd
Priority to JP13528375A priority Critical patent/JPS5259504A/ja
Publication of JPS5259504A publication Critical patent/JPS5259504A/ja
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M19/00—Current supply arrangements for telephone systems
    • H04M19/08—Current supply arrangements for telephone systems with current supply sources at the substations

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Devices For Supply Of Signal Current (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
JP13528375A 1975-11-11 1975-11-11 Dc power supply circuit for push-button telephone Pending JPS5259504A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13528375A JPS5259504A (en) 1975-11-11 1975-11-11 Dc power supply circuit for push-button telephone

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13528375A JPS5259504A (en) 1975-11-11 1975-11-11 Dc power supply circuit for push-button telephone

Publications (1)

Publication Number Publication Date
JPS5259504A true JPS5259504A (en) 1977-05-17

Family

ID=15148071

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13528375A Pending JPS5259504A (en) 1975-11-11 1975-11-11 Dc power supply circuit for push-button telephone

Country Status (1)

Country Link
JP (1) JPS5259504A (ja)

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