JPS5220709A - Line wire circuit of button telephone set - Google Patents

Line wire circuit of button telephone set

Info

Publication number
JPS5220709A
JPS5220709A JP9727675A JP9727675A JPS5220709A JP S5220709 A JPS5220709 A JP S5220709A JP 9727675 A JP9727675 A JP 9727675A JP 9727675 A JP9727675 A JP 9727675A JP S5220709 A JPS5220709 A JP S5220709A
Authority
JP
Japan
Prior art keywords
telephone set
wire circuit
line wire
button telephone
line
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
JP9727675A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5416362B2 (cg-RX-API-DMAC7.html
Inventor
Kazuhiko Sugai
Kunitoshi Narita
Hideo Ohashi
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.)
Meisei Electric Co Ltd
Original Assignee
Meisei Electric Co Ltd
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 Meisei Electric Co Ltd filed Critical Meisei Electric Co Ltd
Priority to JP9727675A priority Critical patent/JPS5220709A/ja
Publication of JPS5220709A publication Critical patent/JPS5220709A/ja
Publication of JPS5416362B2 publication Critical patent/JPS5416362B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M9/00—Arrangements for interconnection not involving centralised switching
    • H04M9/002—Arrangements for interconnection not involving centralised switching with subscriber controlled access to a line, i.e. key telephone systems
    • H04M9/005—Arrangements for interconnection not involving centralised switching with subscriber controlled access to a line, i.e. key telephone systems with subscriber controlled access to an exchange line
    • H04M9/006—Exchange line circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
JP9727675A 1975-08-11 1975-08-11 Line wire circuit of button telephone set Granted JPS5220709A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9727675A JPS5220709A (en) 1975-08-11 1975-08-11 Line wire circuit of button telephone set

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9727675A JPS5220709A (en) 1975-08-11 1975-08-11 Line wire circuit of button telephone set

Publications (2)

Publication Number Publication Date
JPS5220709A true JPS5220709A (en) 1977-02-16
JPS5416362B2 JPS5416362B2 (cg-RX-API-DMAC7.html) 1979-06-21

Family

ID=14187988

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9727675A Granted JPS5220709A (en) 1975-08-11 1975-08-11 Line wire circuit of button telephone set

Country Status (1)

Country Link
JP (1) JPS5220709A (cg-RX-API-DMAC7.html)

Also Published As

Publication number Publication date
JPS5416362B2 (cg-RX-API-DMAC7.html) 1979-06-21

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