JPS5449084A - Detector for abnormality of photo coupler circuit - Google Patents

Detector for abnormality of photo coupler circuit

Info

Publication number
JPS5449084A
JPS5449084A JP11514777A JP11514777A JPS5449084A JP S5449084 A JPS5449084 A JP S5449084A JP 11514777 A JP11514777 A JP 11514777A JP 11514777 A JP11514777 A JP 11514777A JP S5449084 A JPS5449084 A JP S5449084A
Authority
JP
Japan
Prior art keywords
output
comparators
coupling efficiency
allowable limit
abnormal
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
JP11514777A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5714573B2 (enrdf_load_stackoverflow
Inventor
Tomio Kato
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.)
Fuji Electric Co Ltd
Original Assignee
Fuji 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 Fuji Electric Co Ltd filed Critical Fuji Electric Co Ltd
Priority to JP11514777A priority Critical patent/JPS5449084A/ja
Publication of JPS5449084A publication Critical patent/JPS5449084A/ja
Publication of JPS5714573B2 publication Critical patent/JPS5714573B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Photo Coupler, Interrupter, Optical-To-Optical Conversion Devices (AREA)
JP11514777A 1977-09-27 1977-09-27 Detector for abnormality of photo coupler circuit Granted JPS5449084A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11514777A JPS5449084A (en) 1977-09-27 1977-09-27 Detector for abnormality of photo coupler circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11514777A JPS5449084A (en) 1977-09-27 1977-09-27 Detector for abnormality of photo coupler circuit

Publications (2)

Publication Number Publication Date
JPS5449084A true JPS5449084A (en) 1979-04-18
JPS5714573B2 JPS5714573B2 (enrdf_load_stackoverflow) 1982-03-25

Family

ID=14655460

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11514777A Granted JPS5449084A (en) 1977-09-27 1977-09-27 Detector for abnormality of photo coupler circuit

Country Status (1)

Country Link
JP (1) JPS5449084A (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59101362U (ja) * 1982-12-27 1984-07-09 株式会社リコー 電気接続装置
JPS60111176U (ja) * 1983-12-27 1985-07-27 カシオ計算機株式会社 液晶表示式小型カラ−テレビジヨン受像機
JPH0181078U (enrdf_load_stackoverflow) * 1987-11-20 1989-05-31

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51115872U (enrdf_load_stackoverflow) * 1975-03-17 1976-09-20
JPS5288579U (enrdf_load_stackoverflow) * 1975-12-25 1977-07-01

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51115872U (enrdf_load_stackoverflow) * 1975-03-17 1976-09-20
JPS5288579U (enrdf_load_stackoverflow) * 1975-12-25 1977-07-01

Also Published As

Publication number Publication date
JPS5714573B2 (enrdf_load_stackoverflow) 1982-03-25

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