JPS5645470B2 - - Google Patents

Info

Publication number
JPS5645470B2
JPS5645470B2 JP4690576A JP4690576A JPS5645470B2 JP S5645470 B2 JPS5645470 B2 JP S5645470B2 JP 4690576 A JP4690576 A JP 4690576A JP 4690576 A JP4690576 A JP 4690576A JP S5645470 B2 JPS5645470 B2 JP S5645470B2
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
JP4690576A
Other languages
Japanese (ja)
Other versions
JPS52130211A (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 JP4690576A priority Critical patent/JPS52130211A/ja
Publication of JPS52130211A publication Critical patent/JPS52130211A/ja
Publication of JPS5645470B2 publication Critical patent/JPS5645470B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/60—Semi-automatic systems, i.e. in which the numerical selection of the outgoing line is under the control of an operator

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
JP4690576A 1976-04-24 1976-04-24 Mode changeover system of attendant board Granted JPS52130211A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4690576A JPS52130211A (en) 1976-04-24 1976-04-24 Mode changeover system of attendant board

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4690576A JPS52130211A (en) 1976-04-24 1976-04-24 Mode changeover system of attendant board

Publications (2)

Publication Number Publication Date
JPS52130211A JPS52130211A (en) 1977-11-01
JPS5645470B2 true JPS5645470B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1981-10-26

Family

ID=12760360

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4690576A Granted JPS52130211A (en) 1976-04-24 1976-04-24 Mode changeover system of attendant board

Country Status (1)

Country Link
JP (1) JPS52130211A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Also Published As

Publication number Publication date
JPS52130211A (en) 1977-11-01

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