JPH03230136A - 電子閃光装置 - Google Patents

電子閃光装置

Info

Publication number
JPH03230136A
JPH03230136A JP2026821A JP2682190A JPH03230136A JP H03230136 A JPH03230136 A JP H03230136A JP 2026821 A JP2026821 A JP 2026821A JP 2682190 A JP2682190 A JP 2682190A JP H03230136 A JPH03230136 A JP H03230136A
Authority
JP
Japan
Prior art keywords
light emission
circuit
gate
igbt
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
JP2026821A
Other languages
English (en)
Japanese (ja)
Inventor
Akio Uenishi
明夫 上西
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP2026821A priority Critical patent/JPH03230136A/ja
Priority to US07/644,562 priority patent/US5184171A/en
Priority to DE4103100A priority patent/DE4103100A1/de
Publication of JPH03230136A publication Critical patent/JPH03230136A/ja
Pending 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
    • 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
    • H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
    • H05B41/14—Circuit arrangements
    • H05B41/30—Circuit arrangements in which the lamp is fed by pulses, e.g. flash lamp
    • H05B41/32—Circuit arrangements in which the lamp is fed by pulses, e.g. flash lamp for single flash operation
    • H05B41/325—Circuit arrangements in which the lamp is fed by pulses, e.g. flash lamp for single flash operation by measuring the incident light
    • 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)
  • Discharge-Lamp Control Circuits And Pulse- Feed Circuits (AREA)
  • Stroboscope Apparatuses (AREA)
JP2026821A 1990-02-05 1990-02-05 電子閃光装置 Pending JPH03230136A (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2026821A JPH03230136A (ja) 1990-02-05 1990-02-05 電子閃光装置
US07/644,562 US5184171A (en) 1990-02-05 1991-01-23 Electronic flash device
DE4103100A DE4103100A1 (de) 1990-02-05 1991-02-01 Elektronische blitzeinrichtung

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2026821A JPH03230136A (ja) 1990-02-05 1990-02-05 電子閃光装置

Publications (1)

Publication Number Publication Date
JPH03230136A true JPH03230136A (ja) 1991-10-14

Family

ID=12203943

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2026821A Pending JPH03230136A (ja) 1990-02-05 1990-02-05 電子閃光装置

Country Status (3)

Country Link
US (1) US5184171A (en, 2012)
JP (1) JPH03230136A (en, 2012)
DE (1) DE4103100A1 (en, 2012)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5532555A (en) * 1994-03-07 1996-07-02 Olympus Optical Co., Ltd. Electronic flash apparatus using gate controlled switching device directly driven by CPU
JPH11510999A (ja) * 1996-06-14 1999-09-21 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 電気及び／又は電子装置用蓄電池装置及びこれを備える電気通信端末
KR100514130B1 (ko) * 1999-11-16 2005-09-09 후지 샤신 필름 가부시기가이샤 섬광 발생회로

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03286619A (ja) * 1990-04-02 1991-12-17 Mitsubishi Electric Corp 絶縁ゲート形半導体装置のゲート駆動回路および該回路を用いたフラッシュ制御装置
US5426306A (en) * 1993-10-21 1995-06-20 Associated Universities, Inc. Fast repetition rate (FRR) fluorometer and method for measuring fluorescence and photosynthetic parameters
US5717962A (en) * 1994-07-19 1998-02-10 Olympus Optical Co., Ltd. Electric flash apparatus using MOS controlled thyristor
US6121053A (en) * 1997-12-10 2000-09-19 Brookhaven Science Associates Multiple protocol fluorometer and method
US5962984A (en) * 1998-01-12 1999-10-05 Morris W. Mashburn, III High intensity lighting circuit

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03223730A (ja) * 1990-01-29 1991-10-02 Olympus Optical Co Ltd 調光式ストロボの制御回路

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54128734A (en) * 1978-03-29 1979-10-05 Minolta Camera Co Ltd Flash discharger enabled to effect preparatory flash
US4184756A (en) * 1978-10-13 1980-01-22 Polaroid Corporation Strobe without primary storage capacitor
JPS56154717A (en) * 1980-04-30 1981-11-30 Olympus Optical Co Ltd Automatic exposure control circuit of camera
US4847538A (en) * 1984-08-18 1989-07-11 West Electric Company, Ltd. Electronic flash equipment
US4697906A (en) * 1985-09-27 1987-10-06 West Electric Company, Ltd. Electric flash device
JPS6417033A (en) * 1987-07-10 1989-01-20 Minolta Camera Kk Automatic dimming system flash device
JP2548319B2 (ja) * 1988-08-03 1996-10-30 ウエスト電気株式会社 ストロボ装置

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03223730A (ja) * 1990-01-29 1991-10-02 Olympus Optical Co Ltd 調光式ストロボの制御回路

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5532555A (en) * 1994-03-07 1996-07-02 Olympus Optical Co., Ltd. Electronic flash apparatus using gate controlled switching device directly driven by CPU
JPH11510999A (ja) * 1996-06-14 1999-09-21 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 電気及び／又は電子装置用蓄電池装置及びこれを備える電気通信端末
KR100514130B1 (ko) * 1999-11-16 2005-09-09 후지 샤신 필름 가부시기가이샤 섬광 발생회로

Also Published As

Publication number Publication date
DE4103100C2 (en, 2012) 1993-03-11
US5184171A (en) 1993-02-02
DE4103100A1 (de) 1991-08-08

Similar Documents

Publication Publication Date Title
US4745311A (en) Solid-state relay
US4527096A (en) Drive circuit for capacitive electroluminescent panels
JPH03230136A (ja) 電子閃光装置
JP2841756B2 (ja) 電子閃光装置
US5661372A (en) Stroboscopic instrument having a gate-controlled-switching element and a step-up power means therefor
US5107292A (en) Electronic flash unit
JP3167353B2 (ja) 閃光発光装置
JP2507147B2 (ja) ストロボ装置
JP4013011B2 (ja) スイッチング電源回路
JP2722595B2 (ja) 電子閃光装置
JP2722574B2 (ja) 電子閃光装置
JP2722575B2 (ja) 電子閃光装置
US5122695A (en) SCR control circuits
SU752759A1 (ru) Релаксационный генератор пр моугольных импульсов
JPS608656B2 (ja) Ｇｔｏのゲ−ト回路
JPS62280828A (ja) ストロボ装置
JPH02131227A (ja) オートストロボ装置
JPH03223730A (ja) 調光式ストロボの制御回路
JPH0737693A (ja) 電子閃光装置の発光制御回路
JPS6327822A (ja) ストロボ装置
JPS58196529A (ja) 調光ストロボ装置
JPH0270271A (ja) 自励インバータの起動回路
SU1709473A1 (ru) Устройство дл управлени силовым тиристором
JP2588703B2 (ja) 半導体スイツチング素子の駆動回路
JPH07263167A (ja) 電子閃光装置の発光制御回路