JPS63226181A - 線路状態監視方式 - Google Patents

線路状態監視方式

Info

Publication number
JPS63226181A
JPS63226181A JP62060403A JP6040387A JPS63226181A JP S63226181 A JPS63226181 A JP S63226181A JP 62060403 A JP62060403 A JP 62060403A JP 6040387 A JP6040387 A JP 6040387A JP S63226181 A JPS63226181 A JP S63226181A
Authority
JP
Japan
Prior art keywords
power supply
frequency
power source
service interruption
monitoring device
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
JP62060403A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0461554B2 (enrdf_load_stackoverflow
Inventor
Yuzo Sato
裕三 佐藤
Naohiko Senda
千田　尚彦
Katsumi Kaneko
克美 金子
Nagahiro Ichihashi
市橋　永浩
Kenji Taguchi
謙治 田口
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.)
Kokusai Denki Electric Inc
Original Assignee
Yagi Antenna 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 Yagi Antenna Co Ltd filed Critical Yagi Antenna Co Ltd
Priority to JP62060403A priority Critical patent/JPS63226181A/ja
Publication of JPS63226181A publication Critical patent/JPS63226181A/ja
Publication of JPH0461554B2 publication Critical patent/JPH0461554B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Selective Calling Equipment (AREA)
JP62060403A 1987-03-16 1987-03-16 線路状態監視方式 Granted JPS63226181A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62060403A JPS63226181A (ja) 1987-03-16 1987-03-16 線路状態監視方式

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62060403A JPS63226181A (ja) 1987-03-16 1987-03-16 線路状態監視方式

Publications (2)

Publication Number Publication Date
JPS63226181A true JPS63226181A (ja) 1988-09-20
JPH0461554B2 JPH0461554B2 (enrdf_load_stackoverflow) 1992-10-01

Family

ID=13141169

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62060403A Granted JPS63226181A (ja) 1987-03-16 1987-03-16 線路状態監視方式

Country Status (1)

Country Link
JP (1) JPS63226181A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03226235A (ja) * 1990-01-31 1991-10-07 Nec Corp 給電装置及び中継器

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03226235A (ja) * 1990-01-31 1991-10-07 Nec Corp 給電装置及び中継器

Also Published As

Publication number Publication date
JPH0461554B2 (enrdf_load_stackoverflow) 1992-10-01

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Legal Events

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