JPS59219735A - 自動調光制御回路 - Google Patents

自動調光制御回路

Info

Publication number
JPS59219735A
JPS59219735A JP58095189A JP9518983A JPS59219735A JP S59219735 A JPS59219735 A JP S59219735A JP 58095189 A JP58095189 A JP 58095189A JP 9518983 A JP9518983 A JP 9518983A JP S59219735 A JPS59219735 A JP S59219735A
Authority
JP
Japan
Prior art keywords
transistor
diode
contact
circuit
flash light
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.)
Granted
Application number
JP58095189A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0522898B2 (enrdf_load_stackoverflow
Inventor
Hidehiro Ogawa
英洋 小川
Hiroshi Hasegawa
洋 長谷川
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nikon Corp
Original Assignee
Nikon Corp
Nippon Kogaku KK
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 Nikon Corp, Nippon Kogaku KK filed Critical Nikon Corp
Priority to JP58095189A priority Critical patent/JPS59219735A/ja
Publication of JPS59219735A publication Critical patent/JPS59219735A/ja
Publication of JPH0522898B2 publication Critical patent/JPH0522898B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B15/00—Special procedures for taking photographs; Apparatus therefor
    • G03B15/02—Illuminating scene
    • G03B15/03—Combinations of cameras with lighting apparatus; Flash units
    • G03B15/05—Combinations of cameras with electronic flash apparatus; Electronic flash units
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B2215/00—Special procedures for taking photographs; Apparatus therefor
    • G03B2215/05—Combinations of cameras with electronic flash units

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Stroboscope Apparatuses (AREA)
  • Discharge-Lamp Control Circuits And Pulse- Feed Circuits (AREA)
JP58095189A 1983-05-30 1983-05-30 自動調光制御回路 Granted JPS59219735A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP58095189A JPS59219735A (ja) 1983-05-30 1983-05-30 自動調光制御回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58095189A JPS59219735A (ja) 1983-05-30 1983-05-30 自動調光制御回路

Publications (2)

Publication Number Publication Date
JPS59219735A true JPS59219735A (ja) 1984-12-11
JPH0522898B2 JPH0522898B2 (enrdf_load_stackoverflow) 1993-03-31

Family

ID=14130802

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58095189A Granted JPS59219735A (ja) 1983-05-30 1983-05-30 自動調光制御回路

Country Status (1)

Country Link
JP (1) JPS59219735A (enrdf_load_stackoverflow)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5810728A (ja) * 1981-07-14 1983-01-21 Kyocera Corp 自動調光制御回路

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5810728A (ja) * 1981-07-14 1983-01-21 Kyocera Corp 自動調光制御回路

Also Published As

Publication number Publication date
JPH0522898B2 (enrdf_load_stackoverflow) 1993-03-31

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