JPH02133148U - - Google Patents

Info

Publication number
JPH02133148U
JPH02133148U JP3942189U JP3942189U JPH02133148U JP H02133148 U JPH02133148 U JP H02133148U JP 3942189 U JP3942189 U JP 3942189U JP 3942189 U JP3942189 U JP 3942189U JP H02133148 U JPH02133148 U JP H02133148U
Authority
JP
Japan
Prior art keywords
photocoupler
switching transistor
light receiving
base
voltage
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
JP3942189U
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 JP3942189U priority Critical patent/JPH02133148U/ja
Publication of JPH02133148U publication Critical patent/JPH02133148U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Emergency Protection Circuit Devices (AREA)
  • Measurement Of Current Or Voltage (AREA)
JP3942189U 1989-04-03 1989-04-03 Pending JPH02133148U (US07413550-20080819-C00001.png)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3942189U JPH02133148U (US07413550-20080819-C00001.png) 1989-04-03 1989-04-03

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3942189U JPH02133148U (US07413550-20080819-C00001.png) 1989-04-03 1989-04-03

Publications (1)

Publication Number Publication Date
JPH02133148U true JPH02133148U (US07413550-20080819-C00001.png) 1990-11-05

Family

ID=31548317

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3942189U Pending JPH02133148U (US07413550-20080819-C00001.png) 1989-04-03 1989-04-03

Country Status (1)

Country Link
JP (1) JPH02133148U (US07413550-20080819-C00001.png)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6473259A (en) * 1987-09-14 1989-03-17 Nec Corp Instantaneous interruption detection for ac power supply

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6473259A (en) * 1987-09-14 1989-03-17 Nec Corp Instantaneous interruption detection for ac power supply

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