JPS6315809B2 - - Google Patents

Info

Publication number
JPS6315809B2
JPS6315809B2 JP54059768A JP5976879A JPS6315809B2 JP S6315809 B2 JPS6315809 B2 JP S6315809B2 JP 54059768 A JP54059768 A JP 54059768A JP 5976879 A JP5976879 A JP 5976879A JP S6315809 B2 JPS6315809 B2 JP S6315809B2
Authority
JP
Japan
Prior art keywords
transmission
circuit
transmitting
output
monitor
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
JP54059768A
Other languages
English (en)
Japanese (ja)
Other versions
JPS55153219A (en
Inventor
Nagao Sasahara
Kazuo Saito
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 ELECTRONICS
Original Assignee
HITACHI ELECTRONICS
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 ELECTRONICS filed Critical HITACHI ELECTRONICS
Priority to JP5976879A priority Critical patent/JPS55153219A/ja
Publication of JPS55153219A publication Critical patent/JPS55153219A/ja
Publication of JPS6315809B2 publication Critical patent/JPS6315809B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Emergency Protection Circuit Devices (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
JP5976879A 1979-05-17 1979-05-17 Transmission monitoring system Granted JPS55153219A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5976879A JPS55153219A (en) 1979-05-17 1979-05-17 Transmission monitoring system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5976879A JPS55153219A (en) 1979-05-17 1979-05-17 Transmission monitoring system

Publications (2)

Publication Number Publication Date
JPS55153219A JPS55153219A (en) 1980-11-29
JPS6315809B2 true JPS6315809B2 (en]) 1988-04-06

Family

ID=13122785

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5976879A Granted JPS55153219A (en) 1979-05-17 1979-05-17 Transmission monitoring system

Country Status (1)

Country Link
JP (1) JPS55153219A (en])

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5284038B2 (ja) * 2008-10-31 2013-09-11 株式会社東芝 保護継電装置とその送信レベル制御方法

Also Published As

Publication number Publication date
JPS55153219A (en) 1980-11-29

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