ES467155A1 - Perfeccionamientos introducidos en una unidad de destellos provista de al menos dos lamparas de destello por combustion - Google Patents

Perfeccionamientos introducidos en una unidad de destellos provista de al menos dos lamparas de destello por combustion

Info

Publication number
ES467155A1
ES467155A1 ES467155A ES467155A ES467155A1 ES 467155 A1 ES467155 A1 ES 467155A1 ES 467155 A ES467155 A ES 467155A ES 467155 A ES467155 A ES 467155A ES 467155 A1 ES467155 A1 ES 467155A1
Authority
ES
Spain
Prior art keywords
branch
lamp
illuminated
illumination
assembly
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
ES467155A
Other languages
English (en)
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of ES467155A1 publication Critical patent/ES467155A1/es
Expired legal-status Critical Current

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
    • G03B15/04Combinations of cameras with non-electronic flash apparatus; Non-electronic flash units
    • G03B15/0452Electrical ignition means connected to the shutter
    • G03B15/0457Ignition mechanisms for sequential ignition of flash lamps
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B47/00Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B47/00Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/20Responsive to malfunctions or to light source life; for protection
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B47/00Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10Controlling the light source
    • H05B47/155Coordinated control of two or more light sources

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Stroboscope Apparatuses (AREA)

Abstract

Perfeccionamientos introducidos en una unidad de destellos provista de al menos dos lámparas de destello por combustión, en la que esas lámparas pueden ser encendidas sucesivamente a través de dos terminales de entrada de la unidad y en la que un primer circuito que interconecta los terminales de entrada incluye un elemento de interrupción que es excitado por el destello de la última lámpara de la sucesión, estando situado ese elemento de interrupción fuera de la envuelta de esa última lámpara, caracterizados porque el elemento de interrupción es un interruptor de cierre y una parte del primer circuito que comprende a ese interruptor de cierre está eléctricamente en paralelo con un segundo circuito que comprende la última lámpara, teniendo la rama que comprende el interruptor de cierre de la disposición en paralelo una resistencia óhmica tan baja, después de destellar la última lámpara, que la resistencia óhmica de esa rama es menor que la correspondiente a la disposición en paralelo antesde destellar la última lámpara
ES467155A 1977-02-23 1978-02-21 Perfeccionamientos introducidos en una unidad de destellos provista de al menos dos lamparas de destello por combustion Expired ES467155A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7701911A NL7701911A (nl) 1977-02-23 1977-02-23 Flitspakket.

Publications (1)

Publication Number Publication Date
ES467155A1 true ES467155A1 (es) 1980-12-16

Family

ID=19828035

Family Applications (1)

Application Number Title Priority Date Filing Date
ES467155A Expired ES467155A1 (es) 1977-02-23 1978-02-21 Perfeccionamientos introducidos en una unidad de destellos provista de al menos dos lamparas de destello por combustion

Country Status (7)

Country Link
JP (1) JPS53104231A (es)
BE (1) BE864161A (es)
DE (1) DE2805811A1 (es)
ES (1) ES467155A1 (es)
FR (1) FR2382022A1 (es)
IT (1) IT1094248B (es)
NL (1) NL7701911A (es)

Also Published As

Publication number Publication date
NL7701911A (nl) 1978-08-25
IT7820402A0 (it) 1978-02-20
DE2805811A1 (de) 1978-08-31
BE864161A (fr) 1978-08-21
FR2382022A1 (fr) 1978-09-22
JPS53104231A (en) 1978-09-11
IT1094248B (it) 1985-07-26

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