HK4880A - Flash apparatus - Google Patents

Flash apparatus

Info

Publication number
HK4880A
HK4880A HK48/80A HK4880A HK4880A HK 4880 A HK4880 A HK 4880A HK 48/80 A HK48/80 A HK 48/80A HK 4880 A HK4880 A HK 4880A HK 4880 A HK4880 A HK 4880A
Authority
HK
Hong Kong
Prior art keywords
flash apparatus
flash
Prior art date
Application number
HK48/80A
Other languages
English (en)
Original Assignee
Rollei Werke Franke Heidecke
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 Rollei Werke Franke Heidecke filed Critical Rollei Werke Franke Heidecke
Publication of HK4880A publication Critical patent/HK4880A/xx

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
HK48/80A 1974-04-11 1980-02-07 Flash apparatus HK4880A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2417673A DE2417673A1 (de) 1974-04-11 1974-04-11 Blitzlichtanordnung

Publications (1)

Publication Number Publication Date
HK4880A true HK4880A (en) 1980-02-15

Family

ID=5912748

Family Applications (1)

Application Number Title Priority Date Filing Date
HK48/80A HK4880A (en) 1974-04-11 1980-02-07 Flash apparatus

Country Status (5)

Country Link
US (1) US3980923A (xx)
JP (1) JPS50139731A (xx)
DE (1) DE2417673A1 (xx)
GB (1) GB1479391A (xx)
HK (1) HK4880A (xx)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2608652C2 (de) * 1976-03-03 1983-08-25 Robert Bosch Gmbh, 7000 Stuttgart Schaltungsanordnung für lichtmengengesteuerte Elektronenblitzgeräte
JPS5397821A (en) * 1977-01-24 1978-08-26 West Electric Co Flash camera combined with electrooflashing device for increasing lamps
JPS53116150A (en) * 1977-03-18 1978-10-11 West Electric Co Electrooflashing device for increasing lamps
JPS53130020A (en) * 1977-04-20 1978-11-13 Konishiroku Photo Ind Co Ltd Wireless flash light emitting controlling method of multilamp type stobe
JPS5477131A (en) * 1977-12-01 1979-06-20 West Electric Co Automatic dimmer electronic flashing device
JPS53145840U (xx) * 1977-12-14 1978-11-16
US4246513A (en) * 1978-01-26 1981-01-20 Eastman Kodak Company Flash lamp discharge using radiant energy
CA1173100A (en) * 1979-04-17 1984-08-21 Yoshiyuki Takematsu Electric flash apparatus
JPS564132A (en) * 1979-06-22 1981-01-17 Yoshiyuki Takematsu Flash device
US4384238A (en) * 1979-12-10 1983-05-17 Eastman Kodak Company Electronic strobe flash apparatus for indirect and direct flash
JPS56113121A (en) * 1980-02-13 1981-09-05 Olympus Optical Co Ltd Multilamp control stroboscopic device
JPS57118230A (en) * 1980-07-24 1982-07-23 Fuji Koeki Kk Flash device
JPS57102343U (xx) * 1980-12-12 1982-06-23
JPS6136986Y2 (xx) * 1980-12-17 1986-10-27
US4457602A (en) * 1981-04-20 1984-07-03 Olympus Optical Company Ltd. Multiple light emission control system utilizing electronic flashes
JPS59180530A (ja) * 1983-03-31 1984-10-13 Nippon Kogaku Kk <Nikon> ２灯自動調光閃光装置
GB8331648D0 (en) * 1983-11-26 1984-01-04 Evans W A B Improved flash control in photography
JP4727838B2 (ja) * 2001-04-13 2011-07-20 良行 竹松 デジタルカメラ用外付けストロボの光量制御方法及び装置
MD496Z (ro) * 2011-03-24 2012-10-31 Лев ГОРДЕЕВ Procedeu de asigurare automată a iluminării optime a obiectului fotografiat
WO2015104624A1 (en) 2014-01-08 2015-07-16 Koninklijke Philips N.V. Methods and apparatus for lighting control based on detected lighting change

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3156827A (en) * 1961-07-06 1964-11-10 Emmett E Porteous Photosensitive transistor circuit for slave flash unit
US3288044A (en) * 1964-08-05 1966-11-29 Graflex Inc System for triggering flashlamp
DE2010647C3 (de) * 1968-02-13 1976-01-02 Ponder & Best, Inc., Los Angeles, Calif. (V.St.A.) Elektronenblitzgerät mit einer photoelektrischen Meßeinrichtung für die reflektierte Lichtmenge
US3714443A (en) * 1971-01-22 1973-01-30 Honeywell Inc Remotely controlled light sensing apparatus
DE2131057B2 (de) * 1971-06-23 1973-10-18 Braun Ag, 6000 Frankfurt Schaltsichere Lichtmengensteuerung in einem Elektronenblitzgerät

Also Published As

Publication number Publication date
US3980923A (en) 1976-09-14
GB1479391A (en) 1977-07-13
DE2417673A1 (de) 1975-10-30
JPS50139731A (xx) 1975-11-08

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