CH681115A5 - - Google Patents

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Publication number
CH681115A5
CH681115A5 CH308690A CH308690A CH681115A5 CH 681115 A5 CH681115 A5 CH 681115A5 CH 308690 A CH308690 A CH 308690A CH 308690 A CH308690 A CH 308690A CH 681115 A5 CH681115 A5 CH 681115A5
Authority
CH
Switzerland
Prior art keywords
light
reflector
diffuser
light source
additional
Prior art date
Application number
CH308690A
Other languages
German (de)
English (en)
Inventor
Jean-Philippe Larboulette
Walter Haberthuer
Original Assignee
Bron Elektronik Ag
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 Bron Elektronik Ag filed Critical Bron Elektronik Ag
Publication of CH681115A5 publication Critical patent/CH681115A5/de

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/02—Diffusing elements; Afocal elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
    • F21W2131/40—Lighting for industrial, commercial, recreational or military use
    • F21W2131/406—Lighting for industrial, commercial, recreational or military use for theatres, stages or film studios

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Light Sources And Details Of Projection-Printing Devices (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
CH308690A 1989-09-30 1990-09-25 CH681115A5 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE8911689U DE8911689U1 (fr) 1989-09-30 1989-09-30

Publications (1)

Publication Number Publication Date
CH681115A5 true CH681115A5 (fr) 1993-01-15

Family

ID=6843343

Family Applications (1)

Application Number Title Priority Date Filing Date
CH308690A CH681115A5 (fr) 1989-09-30 1990-09-25

Country Status (4)

Country Link
CH (1) CH681115A5 (fr)
DE (1) DE8911689U1 (fr)
FR (1) FR2653569B1 (fr)
GB (1) GB2236869B (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7204617B1 (en) 1998-09-02 2007-04-17 Bruce L. Finn Foldable modular light diffusion box

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1380325A (fr) * 1964-01-27 1964-11-27 Voigtlaender Ag Appareil photographique équipé d'un dispositif générateur d'éclairs électroniques
DE1811751A1 (de) * 1968-11-29 1970-06-11 Multiblitz Mannesmann Gmbh Co Elektronenblitzgeraet fuer Studioaufnahmen
US4395750A (en) * 1981-02-03 1983-07-26 W. C. Heraeus Gmbh Operating room light
JPS61179550U (fr) * 1985-04-26 1986-11-08
GB8627201D0 (en) * 1986-11-13 1986-12-10 Moss Photography Ltd Peter Photographic lighting apparatus
US4788628A (en) * 1987-10-28 1988-11-29 Farrall Instruments, Inc. Banklight system for producing variable gradation lighting effects
US4866285A (en) * 1988-06-20 1989-09-12 Murasa International Infrared flash unit

Also Published As

Publication number Publication date
FR2653569B1 (fr) 1992-10-09
FR2653569A1 (fr) 1991-04-26
GB2236869B (en) 1993-08-18
DE8911689U1 (fr) 1989-11-16
GB2236869A (en) 1991-04-17
GB9021070D0 (en) 1990-11-07

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Legal Events

Date Code Title Description
PL Patent ceased