JPS6156906B2 - - Google Patents

Info

Publication number
JPS6156906B2
JPS6156906B2 JP54084527A JP8452779A JPS6156906B2 JP S6156906 B2 JPS6156906 B2 JP S6156906B2 JP 54084527 A JP54084527 A JP 54084527A JP 8452779 A JP8452779 A JP 8452779A JP S6156906 B2 JPS6156906 B2 JP S6156906B2
Authority
JP
Japan
Prior art keywords
carrier wave
signal
circuit
time
terminal 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.)
Expired
Application number
JP54084527A
Other languages
English (en)
Japanese (ja)
Other versions
JPS568947A (en
Inventor
Taku Inada
Tatsuhiro Saito
Teruo Harashima
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 Signal Co Ltd
Original Assignee
Nippon Signal 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 Nippon Signal Co Ltd filed Critical Nippon Signal Co Ltd
Priority to JP8452779A priority Critical patent/JPS568947A/ja
Publication of JPS568947A publication Critical patent/JPS568947A/ja
Publication of JPS6156906B2 publication Critical patent/JPS6156906B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/06—Management of faults, events, alarms or notifications
    • H04L41/0677—Localisation of faults

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Small-Scale Networks (AREA)
JP8452779A 1979-07-04 1979-07-04 Information transmitter Granted JPS568947A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8452779A JPS568947A (en) 1979-07-04 1979-07-04 Information transmitter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8452779A JPS568947A (en) 1979-07-04 1979-07-04 Information transmitter

Publications (2)

Publication Number Publication Date
JPS568947A JPS568947A (en) 1981-01-29
JPS6156906B2 true JPS6156906B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1986-12-04

Family

ID=13833103

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8452779A Granted JPS568947A (en) 1979-07-04 1979-07-04 Information transmitter

Country Status (1)

Country Link
JP (1) JPS568947A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57115059A (en) * 1981-01-08 1982-07-17 Chino Works Ltd Data transmission equipment
JPS5897942A (ja) * 1981-12-07 1983-06-10 Toshiba Corp 発振装置
JPS5912657A (ja) * 1982-07-13 1984-01-23 Meidensha Electric Mfg Co Ltd マルチドロツプ式情報伝送システムの伝送路保護方式
JPS6072074U (ja) * 1983-10-21 1985-05-21 デイエツクスアンテナ株式会社 有料テレビジヨン放送受信装置
JPS6150381U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1984-09-03 1986-04-04
JPS61144991A (ja) * 1984-12-19 1986-07-02 Toshiba Corp 双方向ｃａｔｖ
JPS61144993A (ja) * 1984-12-19 1986-07-02 Toshiba Corp 双方向ｃａｔｖ

Also Published As

Publication number Publication date
JPS568947A (en) 1981-01-29

Similar Documents

Publication Publication Date Title
JPS6156906B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JPS62226271A (ja) Ｐｏｓル−プ自動切換装置
JPS6135740B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JPS60213195A (ja) 遠方監視制御装置
JPH0740702B2 (ja) リモ−トテスト回路
JPH0728295B2 (ja) コマンド・レスポンス方式データバス端末装置
JP2550896B2 (ja) 故障診断装置
JPS5819120B2 (ja) ル−プ状デ−タ伝送装置
JPS6030233A (ja) システム保障方式
JPS59122149A (ja) 障害監視方式
JP3728960B2 (ja) 保護継電システム
JPS6122494B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JPH026478B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JPH0231888Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP2614926B2 (ja) 電源制御システム
JPS61117697A (ja) ビル遠隔監視制御用伝送装置
JPS62102646A (ja) 自己診断方式
JP2591862B2 (ja) 電源制御信号変換装置
JPS5952858B2 (ja) ステ−シヨン自動バイパス装置
JPH03106236A (ja) 同期検出回路の診断制御方式
JPH027119B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JPH09219992A (ja) インバ−タ同期切換運転装置の通信異常検出回路
JPS59172839A (ja) バスネツトワ−クのバス障害位置検出方式
JPH0145278B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JPH053486A (ja) データ伝送システム