JPH02138951U - - Google Patents

Info

Publication number
JPH02138951U
JPH02138951U JP4835689U JP4835689U JPH02138951U JP H02138951 U JPH02138951 U JP H02138951U JP 4835689 U JP4835689 U JP 4835689U JP 4835689 U JP4835689 U JP 4835689U JP H02138951 U JPH02138951 U JP H02138951U
Authority
JP
Japan
Prior art keywords
voltage detection
line voltage
detection device
photo coupler
communication system
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
JP4835689U
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 JP4835689U priority Critical patent/JPH02138951U/ja
Publication of JPH02138951U publication Critical patent/JPH02138951U/ja
Pending legal-status Critical Current

Links

JP4835689U 1989-04-25 1989-04-25 Pending JPH02138951U (enrdf_load_stackoverflow)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4835689U JPH02138951U (enrdf_load_stackoverflow) 1989-04-25 1989-04-25

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4835689U JPH02138951U (enrdf_load_stackoverflow) 1989-04-25 1989-04-25

Publications (1)

Publication Number Publication Date
JPH02138951U true JPH02138951U (enrdf_load_stackoverflow) 1990-11-20

Family

ID=31565089

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4835689U Pending JPH02138951U (enrdf_load_stackoverflow) 1989-04-25 1989-04-25

Country Status (1)

Country Link
JP (1) JPH02138951U (enrdf_load_stackoverflow)

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