JPH0181579U - - Google Patents

Info

Publication number
JPH0181579U
JPH0181579U JP1987176401U JP17640187U JPH0181579U JP H0181579 U JPH0181579 U JP H0181579U JP 1987176401 U JP1987176401 U JP 1987176401U JP 17640187 U JP17640187 U JP 17640187U JP H0181579 U JPH0181579 U JP H0181579U
Authority
JP
Japan
Prior art keywords
light emitting
photocoupler
detection device
power failure
failure detection
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.)
Pending
Application number
JP1987176401U
Other languages
English (en)
Japanese (ja)
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 filed Critical
Priority to JP1987176401U priority Critical patent/JPH0181579U/ja
Publication of JPH0181579U publication Critical patent/JPH0181579U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Measurement Of Current Or Voltage (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Rectifiers (AREA)
JP1987176401U 1987-11-20 1987-11-20 Pending JPH0181579U (cs)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987176401U JPH0181579U (cs) 1987-11-20 1987-11-20

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987176401U JPH0181579U (cs) 1987-11-20 1987-11-20

Publications (1)

Publication Number Publication Date
JPH0181579U true JPH0181579U (cs) 1989-05-31

Family

ID=33446905

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987176401U Pending JPH0181579U (cs) 1987-11-20 1987-11-20

Country Status (1)

Country Link
JP (1) JPH0181579U (cs)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5223641A (en) * 1975-08-15 1977-02-22 Westinghouse Electric Corp Unobtainable phase detection dircuit used in three phase power source
JPS5999360A (ja) * 1982-11-30 1984-06-08 Ando Electric Co Ltd ホトカプラによる電源断検出回路
JPS6238368A (ja) * 1985-08-13 1987-02-19 Mitsubishi Electric Corp 電圧低下検知装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5223641A (en) * 1975-08-15 1977-02-22 Westinghouse Electric Corp Unobtainable phase detection dircuit used in three phase power source
JPS5999360A (ja) * 1982-11-30 1984-06-08 Ando Electric Co Ltd ホトカプラによる電源断検出回路
JPS6238368A (ja) * 1985-08-13 1987-02-19 Mitsubishi Electric Corp 電圧低下検知装置

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