BE710669A - - Google Patents

Info

Publication number
BE710669A
BE710669A BE710669DA BE710669A BE 710669 A BE710669 A BE 710669A BE 710669D A BE710669D A BE 710669DA BE 710669 A BE710669 A BE 710669A
Authority
BE
Belgium
Application number
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 filed Critical
Publication of BE710669A publication Critical patent/BE710669A/xx

Links

Classifications

    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS 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
    • G03B15/00Special procedures for taking photographs; Apparatus therefor
    • G03B15/02Illuminating scene
    • G03B15/03Combinations of cameras with lighting apparatus; Flash units
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L55/00Devices or appurtenances for use in, or in connection with, pipes or pipe systems
    • F16L55/26Pigs or moles, i.e. devices movable in a pipe or conduit with or without self-contained propulsion means
    • F16L55/28Constructional aspects
    • F16L55/30Constructional aspects of the propulsion means, e.g. towed by cables
    • F16L55/38Constructional aspects of the propulsion means, e.g. towed by cables driven by fluid pressure
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS 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
    • G03B15/00Special procedures for taking photographs; Apparatus therefor
    • G03B15/02Illuminating scene
    • G03B15/03Combinations of cameras with lighting apparatus; Flash units
    • G03B15/05Combinations of cameras with electronic flash apparatus; Electronic flash units
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS 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
    • G03B7/00Control of exposure by setting shutters, diaphragms or filters, separately or conjointly
    • G03B7/16Control 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
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B41/00Circuit arrangements or apparatus for igniting or operating discharge lamps
    • H05B41/14Circuit arrangements
    • H05B41/30Circuit arrangements in which the lamp is fed by pulses, e.g. flash lamp
    • H05B41/32Circuit arrangements in which the lamp is fed by pulses, e.g. flash lamp for single flash operation
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B41/00Circuit arrangements or apparatus for igniting or operating discharge lamps
    • H05B41/14Circuit arrangements
    • H05B41/30Circuit arrangements in which the lamp is fed by pulses, e.g. flash lamp
    • H05B41/34Circuit arrangements in which the lamp is fed by pulses, e.g. flash lamp to provide a sequence of flashes
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS 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
    • G03B2215/00Special procedures for taking photographs; Apparatus therefor
    • G03B2215/05Combinations of cameras with electronic flash units
    • G03B2215/0514Separate unit
    • G03B2215/0517Housing
    • G03B2215/0525Reflector
    • G03B2215/0528Reflector movable reflector, e.g. change of illumination angle or illumination direction

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • Studio Devices (AREA)
  • Stroboscope Apparatuses (AREA)
BE710669D 1968-02-13 1968-02-13 BE710669A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE54471 1968-02-13

Publications (1)

Publication Number Publication Date
BE710669A true BE710669A (fr) 1968-06-17

Family

ID=3840888

Family Applications (1)

Application Number Title Priority Date Filing Date
BE710669D BE710669A (fr) 1968-02-13 1968-02-13

Country Status (2)

Country Link
BE (1) BE710669A (fr)
DE (2) DE1907080A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1262764B (de) * 1965-11-13 1968-03-07 Prontor Werk Gauthier Gmbh Photographisches Geraet mit als elektronische Kippschaltung ausgebildeter Zeitbildungseinrichtung
DE7803142U1 (de) * 1978-02-03 1978-06-08 Regula-Werk King Gmbh & Co, 7267 Bad Liebenzell Elektronenblitzgeraet mit lichtdosiervorrichtung sowie mit einrichtung zur einstellung der lichtempfindlichen zelle
DE3109362A1 (de) * 1981-03-12 1982-10-21 Amherd AG, Ingenieurbureau, Zürich "elektrischer widerstand"

Also Published As

Publication number Publication date
DE1907080A1 (de) 1969-10-02
DE1907079A1 (de) 1969-09-11

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