GB9021070D0 - Light for photographic exposures - Google Patents

Light for photographic exposures

Info

Publication number
GB9021070D0
GB9021070D0 GB909021070A GB9021070A GB9021070D0 GB 9021070 D0 GB9021070 D0 GB 9021070D0 GB 909021070 A GB909021070 A GB 909021070A GB 9021070 A GB9021070 A GB 9021070A GB 9021070 D0 GB9021070 D0 GB 9021070D0
Authority
GB
United Kingdom
Prior art keywords
light
photographic exposures
exposures
photographic
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.)
Granted
Application number
GB909021070A
Other versions
GB2236869A (en
GB2236869B (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.)
Bron Elektronik AG
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 GB9021070D0 publication Critical patent/GB9021070D0/en
Publication of GB2236869A publication Critical patent/GB2236869A/en
Application granted granted Critical
Publication of GB2236869B publication Critical patent/GB2236869B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • Light Sources And Details Of Projection-Printing Devices (AREA)
GB9021070A 1989-09-30 1990-09-27 Light for photographic exposures Expired - Fee Related GB2236869B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE8911689U DE8911689U1 (en) 1989-09-30 1989-09-30 Light for photographic shots

Publications (3)

Publication Number Publication Date
GB9021070D0 true GB9021070D0 (en) 1990-11-07
GB2236869A GB2236869A (en) 1991-04-17
GB2236869B GB2236869B (en) 1993-08-18

Family

ID=6843343

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9021070A Expired - Fee Related GB2236869B (en) 1989-09-30 1990-09-27 Light for photographic exposures

Country Status (4)

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

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 (en) * 1964-01-27 1964-11-27 Voigtlaender Ag Camera equipped with an electronic lightning generator device
DE1811751A1 (en) * 1968-11-29 1970-06-11 Multiblitz Mannesmann Gmbh Co Electronic flash unit for studio recordings
US4395750A (en) * 1981-02-03 1983-07-26 W. C. Heraeus Gmbh Operating room light
JPS61179550U (en) * 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 (en) 1992-10-09
DE8911689U1 (en) 1989-11-16
FR2653569A1 (en) 1991-04-26
GB2236869A (en) 1991-04-17
GB2236869B (en) 1993-08-18
CH681115A5 (en) 1993-01-15

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19960927