DE3476149D1 - Control circuit for electronic flash - Google Patents

Control circuit for electronic flash

Info

Publication number
DE3476149D1
DE3476149D1 DE8484111091T DE3476149T DE3476149D1 DE 3476149 D1 DE3476149 D1 DE 3476149D1 DE 8484111091 T DE8484111091 T DE 8484111091T DE 3476149 T DE3476149 T DE 3476149T DE 3476149 D1 DE3476149 D1 DE 3476149D1
Authority
DE
Germany
Prior art keywords
control circuit
electronic flash
flash
electronic
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.)
Expired
Application number
DE8484111091T
Other languages
German (de)
English (en)
Inventor
Joseph M Canter
William A 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
Application granted granted Critical
Publication of DE3476149D1 publication Critical patent/DE3476149D1/de
Expired 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
DE8484111091T 1983-10-27 1984-09-18 Control circuit for electronic flash Expired DE3476149D1 (en)

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
DE3476149D1 true DE3476149D1 (en) 1989-02-16

Family

ID=24177881

Family Applications (2)

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

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE198484111091T Pending DE143923T1 (de) 1983-10-27 1984-09-18 Steuerschaltung fuer ein elektronisches blitzgeraet.

Country Status (5)

Country Link
US (1) US4531078A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
EP (1) EP0143923B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS60103334A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CA (1) CA1253197A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (2) DE3476149D1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.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
KR102112655B1 (ko) 2008-06-27 2020-05-19 메뤼스 엔.페. 항체 생산 비-인간 포유동물
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
CA1253197A (en) 1989-04-25
JPS60103334A (ja) 1985-06-07
EP0143923B1 (en) 1989-01-11
US4531078A (en) 1985-07-23
JPH0560088B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1993-09-01
DE143923T1 (de) 1985-09-26
EP0143923A1 (en) 1985-06-12

Similar Documents

Publication Publication Date Title
GB8413732D0 (en) Electronic flash system
GB2167841B (en) An electronic detonation control circuit
GB8404621D0 (en) Control circuit
GB2130440B (en) Circuit boards for fluid control
GB2152309B (en) Electronic volume control circuit
GB8408822D0 (en) Electronic control device
GB8414475D0 (en) Control circuit
GB8404010D0 (en) Control circuit
GB8318816D0 (en) Circuit boards
GB2133947B (en) Electronic control circuit
GB2125975B (en) Circuit for photoflash control
DE3476149D1 (en) Control circuit for electronic flash
GB2148622B (en) Electronic control circuit
EP0097815A3 (en) Circuit boards
GB8310749D0 (en) Control circuit
GB2161956B (en) Electronic photoflash control circuit
DE3370270D1 (en) Circuit boards
GB8331806D0 (en) Control circuit
GB8315265D0 (en) Electronic circuits
GB8406379D0 (en) Electronic mode control circuit
DE3163496D1 (en) Electronic control circuit
PL240430A2 (en) Electronic circuit for resolver control
GB8413532D0 (en) Electronic flash device
GB2140230B (en) Electrical/electronic control circuit
GB8407505D0 (en) Control circuit

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee