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

Similar Documents

Publication Publication Date Title
US5892431A (en) Power multiplexer for broadband communications systems
EP0532575B1 (en) Apparatus for detecting failure of an antenna amplifier unit with a hot standby redundancy
US6693778B1 (en) Diode fault detection and ground fault detection systems
JPS63226181A (ja) 線路状態監視方式
JPS62207033A (ja) 電力線搬送通信装置
JP2650827B2 (ja) 線路状態監視方式
CN207037894U (zh) 电力载波警报系统
US5945813A (en) Single or isolated operation detecting apparatus for a distributed power supply
JPS6295485A (ja) 検出センサ装置
KR102825427B1 (ko) 영상신호 전송 시스템
US6265971B1 (en) Fiber-sync communications channel
JP2854540B2 (ja) ケーブルテレビシステム
JP2532157B2 (ja) 双方向ｃａｔｖシステムの中継増幅器
JP3551743B2 (ja) 多重伝送中継増幅器
JP2025101107A (ja) 監視装置およびｃａｔｖシステム
JP3950039B2 (ja) 無停電電源装置を備えたｃａｔｖシステムにおける無停電電源装置の電源監視方法
JP3846976B2 (ja) Ｃａｔｖシステムにおける無停電電源装置の異常検知方法
JP3003529U (ja) Ｃａｔｖ用無停電監視システム
JPS63133781A (ja) 監視方式
KR940005391B1 (ko) Catv의 선로감시장치
JPH04284789A (ja) 幹線増幅器
JP2000253585A (ja) 分散電源システム
JPH0865653A (ja) 無停電電源装置を備えたｃａｔｖシステムにおける無停電電源装置の電源監視方法
JPH07123063A (ja) 無停電電源を備えたｃａｔｖシステムの商用電源停電監視方法
CA2200276A1 (en) Single operation detecting apparatus for a distributed power supply

Legal Events

Date Code Title Description
S111 Request for change of ownership or part of ownership

Free format text: JAPANESE INTERMEDIATE CODE: R313111

R350 Written notification of registration of transfer

Free format text: JAPANESE INTERMEDIATE CODE: R350

LAPS Cancellation because of no payment of annual fees