JPS58105745U - バツクアツプ切換回路 - Google Patents

バツクアツプ切換回路

Info

Publication number
JPS58105745U
JPS58105745U JP244782U JP244782U JPS58105745U JP S58105745 U JPS58105745 U JP S58105745U JP 244782 U JP244782 U JP 244782U JP 244782 U JP244782 U JP 244782U JP S58105745 U JPS58105745 U JP S58105745U
Authority
JP
Japan
Prior art keywords
phototransistor
switching circuit
photodiode
photocoupler
backup switching
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
JP244782U
Other languages
English (en)
Japanese (ja)
Other versions
JPH039392Y2 (enrdf_load_stackoverflow
Inventor
岩沢　郁夫
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.)
Yokogawa Electric Corp
Original Assignee
Yokogawa Electric Corp
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 Yokogawa Electric Corp filed Critical Yokogawa Electric Corp
Priority to JP244782U priority Critical patent/JPS58105745U/ja
Publication of JPS58105745U publication Critical patent/JPS58105745U/ja
Application granted granted Critical
Publication of JPH039392Y2 publication Critical patent/JPH039392Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Electronic Switches (AREA)
  • Power Sources (AREA)
  • Stand-By Power Supply Arrangements (AREA)
JP244782U 1982-01-12 1982-01-12 バツクアツプ切換回路 Granted JPS58105745U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP244782U JPS58105745U (ja) 1982-01-12 1982-01-12 バツクアツプ切換回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP244782U JPS58105745U (ja) 1982-01-12 1982-01-12 バツクアツプ切換回路

Publications (2)

Publication Number Publication Date
JPS58105745U true JPS58105745U (ja) 1983-07-19
JPH039392Y2 JPH039392Y2 (enrdf_load_stackoverflow) 1991-03-08

Family

ID=30015432

Family Applications (1)

Application Number Title Priority Date Filing Date
JP244782U Granted JPS58105745U (ja) 1982-01-12 1982-01-12 バツクアツプ切換回路

Country Status (1)

Country Link
JP (1) JPS58105745U (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPH039392Y2 (enrdf_load_stackoverflow) 1991-03-08

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