DE143923T1 - Steuerschaltung fuer ein elektronisches blitzgeraet. - Google Patents

Steuerschaltung fuer ein elektronisches blitzgeraet.

Info

Publication number
DE143923T1
DE143923T1 DE198484111091T DE84111091T DE143923T1 DE 143923 T1 DE143923 T1 DE 143923T1 DE 198484111091 T DE198484111091 T DE 198484111091T DE 84111091 T DE84111091 T DE 84111091T DE 143923 T1 DE143923 T1 DE 143923T1
Authority
DE
Germany
Prior art keywords
signal
flash
scene
artificial
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.)
Pending
Application number
DE198484111091T
Other languages
German (de)
English (en)
Inventor
Joseph M. Lexington Massachusetts 02173 Canter
William A. Cambridge Massachusetts 02139 Shelton
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.)
Polaroid Corp
Original Assignee
Polaroid 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 Polaroid Corp filed Critical Polaroid Corp
Publication of DE143923T1 publication Critical patent/DE143923T1/de
Pending legal-status Critical Current

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
    • 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

Landscapes

  • Stroboscope Apparatuses (AREA)
  • Discharge-Lamp Control Circuits And Pulse- Feed Circuits (AREA)
DE198484111091T 1983-10-27 1984-09-18 Steuerschaltung fuer ein elektronisches blitzgeraet. Pending DE143923T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/545,872 US4531078A (en) 1983-10-27 1983-10-27 Control circuit for electronic flash

Publications (1)

Publication Number Publication Date
DE143923T1 true DE143923T1 (de) 1985-09-26

Family

ID=24177881

Family Applications (2)

Application Number Title Priority Date Filing Date
DE198484111091T Pending DE143923T1 (de) 1983-10-27 1984-09-18 Steuerschaltung fuer ein elektronisches blitzgeraet.
DE8484111091T Expired DE3476149D1 (en) 1983-10-27 1984-09-18 Control circuit for electronic flash

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE8484111091T Expired DE3476149D1 (en) 1983-10-27 1984-09-18 Control circuit for electronic flash

Country Status (5)

Country Link
US (1) US4531078A (cg-RX-API-DMAC7.html)
EP (1) EP0143923B1 (cg-RX-API-DMAC7.html)
JP (1) JPS60103334A (cg-RX-API-DMAC7.html)
CA (1) CA1253197A (cg-RX-API-DMAC7.html)
DE (2) DE143923T1 (cg-RX-API-DMAC7.html)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4678329A (en) * 1985-10-18 1987-07-07 Calspan Corporation Automatically guided vehicle control system
JP2003078816A (ja) * 2001-09-03 2003-03-14 Fuji Photo Film Co Ltd 測光装置
US6788892B2 (en) * 2002-06-06 2004-09-07 Fuji Photo Film Co., Ltd. Strobe light-emission control apparatus
CN102123582B (zh) 2008-06-27 2015-09-30 莫鲁斯有限公司 产生抗体的非人哺乳动物
JP2011107292A (ja) * 2009-11-16 2011-06-02 Panasonic Corp ストロボ用調光回路、及びこれを用いたストロボ装置

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3591829A (en) * 1967-04-20 1971-07-06 Minolta Camera Kk Automatic control device for electronic flash
DE2145490B2 (de) * 1970-12-05 1974-07-25 Asahi Kogaku Kogyo K.K., Tokio Anordnung zur selbsttätigen Steuerung photographischer Blitzlichtaufnahmen
JPS5226829A (en) * 1975-08-25 1977-02-28 Olympus Optical Co Ltd Daylight strobo device for the electronic shutter camera
JPS599885B2 (ja) * 1976-12-29 1984-03-06 オリンパス光学工業株式会社 電気式フォ−カルプレ−ンシャッタ−カメラにおける日中シンクロ制御装置
US4298826A (en) * 1978-10-27 1981-11-03 Morris Photo Ind. Co. Ltd. Automatic flash unit
JPS55134823A (en) * 1979-04-06 1980-10-21 Olympus Optical Co Ltd Strobe light emission control system
JPS55140825A (en) * 1979-04-20 1980-11-04 Olympus Optical Co Ltd Exposure control unit for single-lens reflex camera having strobe control function
US4241280A (en) * 1979-06-25 1980-12-23 Polaroid Corporation Light integrator circuit with built-in anticipation
US4266163A (en) * 1979-07-09 1981-05-05 Vivitar Corporation Incident metering electronic flash control
US4255046A (en) * 1979-09-19 1981-03-10 Xerox Corporation Variable output power supply for flash unit
JPS5661797A (en) * 1979-10-26 1981-05-27 Fuji Photo Optical Co Ltd Automatic strobe dimming system and device
US4317620A (en) * 1980-01-17 1982-03-02 Polaroid Corporation Variable proportional fill flash

Also Published As

Publication number Publication date
JPH0560088B2 (cg-RX-API-DMAC7.html) 1993-09-01
EP0143923B1 (en) 1989-01-11
CA1253197A (en) 1989-04-25
EP0143923A1 (en) 1985-06-12
JPS60103334A (ja) 1985-06-07
DE3476149D1 (en) 1989-02-16
US4531078A (en) 1985-07-23

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