JPS51119942A - Detector for abnormal transmission signal abnormal detector - Google Patents

Detector for abnormal transmission signal abnormal detector

Info

Publication number
JPS51119942A
JPS51119942A JP50037835A JP3783575A JPS51119942A JP S51119942 A JPS51119942 A JP S51119942A JP 50037835 A JP50037835 A JP 50037835A JP 3783575 A JP3783575 A JP 3783575A JP S51119942 A JPS51119942 A JP S51119942A
Authority
JP
Japan
Prior art keywords
detector
abnormal
transmission signal
abnormal transmission
portecting
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
JP50037835A
Other languages
Japanese (ja)
Other versions
JPS58253B2 (en
Inventor
Minoru Kitagawa
Fumio Ando
Mitsuru Yamaura
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.)
Toshiba Corp
Chugoku Electric Power Co Inc
Original Assignee
Toshiba Corp
Chugoku Electric Power Co Inc
Tokyo Shibaura Electric 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 Toshiba Corp, Chugoku Electric Power Co Inc, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP50037835A priority Critical patent/JPS58253B2/en
Priority to SE7603794A priority patent/SE7603794L/en
Priority to CH398476A priority patent/CH619078A5/en
Publication of JPS51119942A publication Critical patent/JPS51119942A/en
Publication of JPS58253B2 publication Critical patent/JPS58253B2/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H1/00—Details of emergency protective circuit arrangements
    • H02H1/0061—Details of emergency protective circuit arrangements concerning transmission of signals

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)

Abstract

PURPOSE: The equipment for detection of abnormal transmitting signal on carrier portecting relay, for the purpose of protecting the system by means of transmitting signals which frequency-modulate electric quantity each other.
COPYRIGHT: (C)1976,JPO&Japio
JP50037835A 1975-03-31 1975-03-31 Denso Shingou Noijiyoukenshiyutsusouchi Expired JPS58253B2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP50037835A JPS58253B2 (en) 1975-03-31 1975-03-31 Denso Shingou Noijiyoukenshiyutsusouchi
SE7603794A SE7603794L (en) 1975-03-31 1976-03-30 DEVICE FOR DETECTING AN ABNORMAL CONDITION OF A SEND SIGNAL
CH398476A CH619078A5 (en) 1975-03-31 1976-03-31 Device for protecting an electric current transmission line, linking two electrical stations, from an abnormal variation in the characteristics of the current

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50037835A JPS58253B2 (en) 1975-03-31 1975-03-31 Denso Shingou Noijiyoukenshiyutsusouchi

Publications (2)

Publication Number Publication Date
JPS51119942A true JPS51119942A (en) 1976-10-20
JPS58253B2 JPS58253B2 (en) 1983-01-06

Family

ID=12508577

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50037835A Expired JPS58253B2 (en) 1975-03-31 1975-03-31 Denso Shingou Noijiyoukenshiyutsusouchi

Country Status (3)

Country Link
JP (1) JPS58253B2 (en)
CH (1) CH619078A5 (en)
SE (1) SE7603794L (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5341744A (en) * 1976-09-28 1978-04-15 Chugoku Electric Power Co Ltd:The Anomalousness detector for transmission signal
JPS583000A (en) * 1981-06-29 1983-01-08 富士通株式会社 Transmission signal inspection system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5341744A (en) * 1976-09-28 1978-04-15 Chugoku Electric Power Co Ltd:The Anomalousness detector for transmission signal
JPS5849086B2 (en) * 1976-09-28 1983-11-01 中国電力株式会社 Transmission signal abnormality detection device
JPS583000A (en) * 1981-06-29 1983-01-08 富士通株式会社 Transmission signal inspection system

Also Published As

Publication number Publication date
SE7603794L (en) 1976-10-01
CH619078A5 (en) 1980-08-29
JPS58253B2 (en) 1983-01-06

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