KR870009172U - Automatic dimming circuit - Google Patents

Automatic dimming circuit

Info

Publication number
KR870009172U
KR870009172U KR2019850015470U KR850015470U KR870009172U KR 870009172 U KR870009172 U KR 870009172U KR 2019850015470 U KR2019850015470 U KR 2019850015470U KR 850015470 U KR850015470 U KR 850015470U KR 870009172 U KR870009172 U KR 870009172U
Authority
KR
South Korea
Prior art keywords
dimming circuit
automatic dimming
automatic
circuit
dimming
Prior art date
Application number
KR2019850015470U
Other languages
Korean (ko)
Other versions
KR890003628Y1 (en
Inventor
박두현
Original Assignee
박두현
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 박두현 filed Critical 박두현
Priority to KR2019850015470U priority Critical patent/KR890003628Y1/en
Publication of KR870009172U publication Critical patent/KR870009172U/en
Application granted granted Critical
Publication of KR890003628Y1 publication Critical patent/KR890003628Y1/en

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B39/00—Circuit arrangements or apparatus for operating incandescent light sources
    • H05B39/04—Controlling
    • H05B39/041—Controlling the light-intensity of the source
    • H05B39/042—Controlling the light-intensity of the source by measuring the incident light
KR2019850015470U 1985-11-25 1985-11-25 Automatic electric light circuit KR890003628Y1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019850015470U KR890003628Y1 (en) 1985-11-25 1985-11-25 Automatic electric light circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019850015470U KR890003628Y1 (en) 1985-11-25 1985-11-25 Automatic electric light circuit

Publications (2)

Publication Number Publication Date
KR870009172U true KR870009172U (en) 1987-06-15
KR890003628Y1 KR890003628Y1 (en) 1989-05-27

Family

ID=19246655

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019850015470U KR890003628Y1 (en) 1985-11-25 1985-11-25 Automatic electric light circuit

Country Status (1)

Country Link
KR (1) KR890003628Y1 (en)

Also Published As

Publication number Publication date
KR890003628Y1 (en) 1989-05-27

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Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
E701 Decision to grant or registration of patent right
NORF Unpaid initial registration fee