BE765578R - PHOTOFLASH - Google Patents

PHOTOFLASH

Info

Publication number
BE765578R
BE765578R BE765578A BE765578A BE765578R BE 765578 R BE765578 R BE 765578R BE 765578 A BE765578 A BE 765578A BE 765578 A BE765578 A BE 765578A BE 765578 R BE765578 R BE 765578R
Authority
BE
Belgium
Prior art keywords
photoflash
Prior art date
Application number
BE765578A
Other languages
French (fr)
Original Assignee
Lumina Sprl
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 Lumina Sprl filed Critical Lumina Sprl
Application granted granted Critical
Publication of BE765578R publication Critical patent/BE765578R/en
Priority to MY7500244A priority Critical patent/MY7500244A/en
Priority to MY7500243A priority patent/MY7500243A/en
Priority to MY7500247A priority patent/MY7500247A/en

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
    • 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
    • G03B7/00—Control of exposure by setting shutters, diaphragms or filters, separately or conjointly
    • G03B7/16—Control of exposure by setting shutters, diaphragms or filters, separately or conjointly in accordance with both the intensity of the flash source and the distance of the flash source from the object, e.g. in accordance with the "guide number" of the flash bulb and the focusing of the camera
    • 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
    • G03B2215/0514—Separate unit
    • G03B2215/0517—Housing
    • G03B2215/0525—Reflector
    • G03B2215/0528—Reflector movable reflector, e.g. change of illumination angle or illumination direction

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
BE765578A 1968-02-13 1971-04-09 PHOTOFLASH BE765578R (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
MY7500244A MY7500244A (en) 1970-09-23 1975-12-30 Electronic photoflash
MY7500243A MY7500243A (en) 1970-08-24 1975-12-30 Electronic photoflash
MY7500247A MY7500247A (en) 1971-03-08 1975-12-30 Electric switch

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
BE54471 1968-02-13
BE102057 1971-04-09

Publications (1)

Publication Number Publication Date
BE765578R true BE765578R (en) 1971-08-30

Family

ID=25647389

Family Applications (1)

Application Number Title Priority Date Filing Date
BE765578A BE765578R (en) 1968-02-13 1971-04-09 PHOTOFLASH

Country Status (1)

Country Link
BE (1) BE765578R (en)

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