AU6785481A - Variable position diffusion holder - Google Patents

Variable position diffusion holder

Info

Publication number
AU6785481A
AU6785481A AU67854/81A AU6785481A AU6785481A AU 6785481 A AU6785481 A AU 6785481A AU 67854/81 A AU67854/81 A AU 67854/81A AU 6785481 A AU6785481 A AU 6785481A AU 6785481 A AU6785481 A AU 6785481A
Authority
AU
Australia
Prior art keywords
variable position
position diffusion
diffusion holder
holder
variable
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.)
Abandoned
Application number
AU67854/81A
Inventor
W L Williams
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of AU6785481A publication Critical patent/AU6785481A/en
Abandoned legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V5/00—Refractors for light sources
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
    • F21V17/107—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening using hinge joints
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V9/00—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
    • F21V9/20—Dichroic filters, i.e. devices operating on the principle of wave interference to pass specific ranges of wavelengths while cancelling others
    • 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

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Pivots And Pivotal Connections (AREA)
AU67854/81A 1980-06-17 1980-06-17 Variable position diffusion holder Abandoned AU6785481A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US1980/000795 WO1981003691A1 (en) 1980-06-17 1980-06-17 Variable position diffusion holder

Publications (1)

Publication Number Publication Date
AU6785481A true AU6785481A (en) 1981-01-07

Family

ID=22154407

Family Applications (1)

Application Number Title Priority Date Filing Date
AU67854/81A Abandoned AU6785481A (en) 1980-06-17 1980-06-17 Variable position diffusion holder

Country Status (3)

Country Link
EP (1) EP0053607A1 (en)
AU (1) AU6785481A (en)
WO (1) WO1981003691A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19708778B4 (en) * 1997-03-04 2007-08-30 Dozsa-Farkas Jun., Andras lighting system
CN211925515U (en) * 2020-04-30 2020-11-13 广州市浩洋电子股份有限公司 Stage lamp with shade

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3140053A (en) * 1961-09-28 1964-07-07 Lowell Ross Light fixture
US3936023A (en) * 1974-07-23 1976-02-03 Armstrong Machine Works Light holder
US4179726A (en) * 1977-09-19 1979-12-18 Mole-Richardson Co. Barn door lamp attachment

Also Published As

Publication number Publication date
EP0053607A1 (en) 1982-06-16
WO1981003691A1 (en) 1981-12-24

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