JPS51115635A - Automatic detection method of frequency modulation difference current carrier relay - Google Patents

Automatic detection method of frequency modulation difference current carrier relay

Info

Publication number
JPS51115635A
JPS51115635A JP50040311A JP4031175A JPS51115635A JP S51115635 A JPS51115635 A JP S51115635A JP 50040311 A JP50040311 A JP 50040311A JP 4031175 A JP4031175 A JP 4031175A JP S51115635 A JPS51115635 A JP S51115635A
Authority
JP
Japan
Prior art keywords
detection method
automatic detection
frequency modulation
difference current
current carrier
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
JP50040311A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5620779B2 (OSRAM
Inventor
Seishi Nomura
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 Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP50040311A priority Critical patent/JPS51115635A/ja
Publication of JPS51115635A publication Critical patent/JPS51115635A/ja
Publication of JPS5620779B2 publication Critical patent/JPS5620779B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Emergency Protection Circuit Devices (AREA)
JP50040311A 1975-04-04 1975-04-04 Automatic detection method of frequency modulation difference current carrier relay Granted JPS51115635A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50040311A JPS51115635A (en) 1975-04-04 1975-04-04 Automatic detection method of frequency modulation difference current carrier relay

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50040311A JPS51115635A (en) 1975-04-04 1975-04-04 Automatic detection method of frequency modulation difference current carrier relay

Publications (2)

Publication Number Publication Date
JPS51115635A true JPS51115635A (en) 1976-10-12
JPS5620779B2 JPS5620779B2 (OSRAM) 1981-05-15

Family

ID=12577059

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50040311A Granted JPS51115635A (en) 1975-04-04 1975-04-04 Automatic detection method of frequency modulation difference current carrier relay

Country Status (1)

Country Link
JP (1) JPS51115635A (OSRAM)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51121157A (en) * 1975-04-16 1976-10-22 Hitachi Ltd Automatic inspection system for frequency modulation difference curren t carrier relay

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51121157A (en) * 1975-04-16 1976-10-22 Hitachi Ltd Automatic inspection system for frequency modulation difference curren t carrier relay

Also Published As

Publication number Publication date
JPS5620779B2 (OSRAM) 1981-05-15

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