JPH02150693U - - Google Patents

Info

Publication number
JPH02150693U
JPH02150693U JP5931089U JP5931089U JPH02150693U JP H02150693 U JPH02150693 U JP H02150693U JP 5931089 U JP5931089 U JP 5931089U JP 5931089 U JP5931089 U JP 5931089U JP H02150693 U JPH02150693 U JP H02150693U
Authority
JP
Japan
Prior art keywords
amplifier
detect
light sensor
surrounding brightness
control circuit
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
JP5931089U
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 JP5931089U priority Critical patent/JPH02150693U/ja
Publication of JPH02150693U publication Critical patent/JPH02150693U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Control Of Resistance Heating (AREA)
  • Central Heating Systems (AREA)
JP5931089U 1989-05-23 1989-05-23 Pending JPH02150693U (cs)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5931089U JPH02150693U (cs) 1989-05-23 1989-05-23

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5931089U JPH02150693U (cs) 1989-05-23 1989-05-23

Publications (1)

Publication Number Publication Date
JPH02150693U true JPH02150693U (cs) 1990-12-27

Family

ID=31585696

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5931089U Pending JPH02150693U (cs) 1989-05-23 1989-05-23

Country Status (1)

Country Link
JP (1) JPH02150693U (cs)

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