JPS5528585B2 - - Google Patents

Info

Publication number
JPS5528585B2
JPS5528585B2 JP9115275A JP9115275A JPS5528585B2 JP S5528585 B2 JPS5528585 B2 JP S5528585B2 JP 9115275 A JP9115275 A JP 9115275A JP 9115275 A JP9115275 A JP 9115275A JP S5528585 B2 JPS5528585 B2 JP S5528585B2
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
JP9115275A
Other languages
Japanese (ja)
Other versions
JPS5215207A (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 JP9115275A priority Critical patent/JPS5215207A/ja
Priority to US05/707,324 priority patent/US4079212A/en
Publication of JPS5215207A publication Critical patent/JPS5215207A/ja
Publication of JPS5528585B2 publication Critical patent/JPS5528585B2/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
    • H04M9/02—Arrangements for interconnection not involving centralised switching involving a common line for all parties

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
JP9115275A 1975-07-23 1975-07-28 Main wire called indication system key telephone Granted JPS5215207A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP9115275A JPS5215207A (en) 1975-07-28 1975-07-28 Main wire called indication system key telephone
US05/707,324 US4079212A (en) 1975-07-23 1976-07-21 Extension telephone system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9115275A JPS5215207A (en) 1975-07-28 1975-07-28 Main wire called indication system key telephone

Publications (2)

Publication Number Publication Date
JPS5215207A JPS5215207A (en) 1977-02-04
JPS5528585B2 true JPS5528585B2 (cg-RX-API-DMAC7.html) 1980-07-29

Family

ID=14018531

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9115275A Granted JPS5215207A (en) 1975-07-23 1975-07-28 Main wire called indication system key telephone

Country Status (1)

Country Link
JP (1) JPS5215207A (cg-RX-API-DMAC7.html)

Also Published As

Publication number Publication date
JPS5215207A (en) 1977-02-04

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