JPS58101548A - 呼出信号送出方式 - Google Patents

呼出信号送出方式

Info

Publication number
JPS58101548A
JPS58101548A JP20016381A JP20016381A JPS58101548A JP S58101548 A JPS58101548 A JP S58101548A JP 20016381 A JP20016381 A JP 20016381A JP 20016381 A JP20016381 A JP 20016381A JP S58101548 A JPS58101548 A JP S58101548A
Authority
JP
Japan
Prior art keywords
switch
call
circuit
switches
current supply
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
JP20016381A
Other languages
English (en)
Japanese (ja)
Other versions
JPH035104B2 (enrdf_load_stackoverflow
Inventor
Shiro Enami
榎並 史朗
Takeo Koinuma
濃沼 健夫
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.)
Hitachi Ltd
Nippon Telegraph and Telephone Corp
Original Assignee
Hitachi Ltd
Nippon Telegraph and Telephone Corp
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 Hitachi Ltd, Nippon Telegraph and Telephone Corp filed Critical Hitachi Ltd
Priority to JP20016381A priority Critical patent/JPS58101548A/ja
Publication of JPS58101548A publication Critical patent/JPS58101548A/ja
Publication of JPH035104B2 publication Critical patent/JPH035104B2/ja
Granted legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M3/00Automatic or semi-automatic exchanges
    • H04M3/02Calling substations, e.g. by ringing

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Devices For Supply Of Signal Current (AREA)
  • Interface Circuits In Exchanges (AREA)
JP20016381A 1981-12-14 1981-12-14 呼出信号送出方式 Granted JPS58101548A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP20016381A JPS58101548A (ja) 1981-12-14 1981-12-14 呼出信号送出方式

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP20016381A JPS58101548A (ja) 1981-12-14 1981-12-14 呼出信号送出方式

Publications (2)

Publication Number Publication Date
JPS58101548A true JPS58101548A (ja) 1983-06-16
JPH035104B2 JPH035104B2 (enrdf_load_stackoverflow) 1991-01-24

Family

ID=16419831

Family Applications (1)

Application Number Title Priority Date Filing Date
JP20016381A Granted JPS58101548A (ja) 1981-12-14 1981-12-14 呼出信号送出方式

Country Status (1)

Country Link
JP (1) JPS58101548A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60182252A (ja) * 1984-02-29 1985-09-17 Hitachi Ltd 応答検出方式

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60182252A (ja) * 1984-02-29 1985-09-17 Hitachi Ltd 応答検出方式

Also Published As

Publication number Publication date
JPH035104B2 (enrdf_load_stackoverflow) 1991-01-24

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