JPH0810998Y2 - ４線直送式監視システム用関数変換装置 - Google Patents

４線直送式監視システム用関数変換装置

Info

Publication number
JPH0810998Y2
JPH0810998Y2 JP56690U JP56690U JPH0810998Y2 JP H0810998 Y2 JPH0810998 Y2 JP H0810998Y2 JP 56690 U JP56690 U JP 56690U JP 56690 U JP56690 U JP 56690U JP H0810998 Y2 JPH0810998 Y2 JP H0810998Y2
Authority
JP
Japan
Prior art keywords
circuit
open switch
measuring device
power supply
output
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.)
Expired - Lifetime
Application number
JP56690U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0392888U (enrdf_load_stackoverflow
Inventor
静郎 朝倉
正雄 勅使河原
長盛 尾形
昭男 小瀬
富佐夫 川上
幹和 石田
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.)
Nippon Telegraph and Telephone Corp
Original Assignee
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 Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Priority to JP56690U priority Critical patent/JPH0810998Y2/ja
Publication of JPH0392888U publication Critical patent/JPH0392888U/ja
Application granted granted Critical
Publication of JPH0810998Y2 publication Critical patent/JPH0810998Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Arrangements For Transmission Of Measured Signals (AREA)
  • Selective Calling Equipment (AREA)
JP56690U 1990-01-10 1990-01-10 ４線直送式監視システム用関数変換装置 Expired - Lifetime JPH0810998Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56690U JPH0810998Y2 (ja) 1990-01-10 1990-01-10 ４線直送式監視システム用関数変換装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56690U JPH0810998Y2 (ja) 1990-01-10 1990-01-10 ４線直送式監視システム用関数変換装置

Publications (2)

Publication Number Publication Date
JPH0392888U JPH0392888U (enrdf_load_stackoverflow) 1991-09-20
JPH0810998Y2 true JPH0810998Y2 (ja) 1996-03-29

Family

ID=31504508

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56690U Expired - Lifetime JPH0810998Y2 (ja) 1990-01-10 1990-01-10 ４線直送式監視システム用関数変換装置

Country Status (1)

Country Link
JP (1) JPH0810998Y2 (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPH0392888U (enrdf_load_stackoverflow) 1991-09-20

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