GB193515A - Improvements in and relating to systems of illumination employing artificial light - Google Patents

Improvements in and relating to systems of illumination employing artificial light

Info

Publication number
GB193515A
GB193515A GB31741/21A GB3174121A GB193515A GB 193515 A GB193515 A GB 193515A GB 31741/21 A GB31741/21 A GB 31741/21A GB 3174121 A GB3174121 A GB 3174121A GB 193515 A GB193515 A GB 193515A
Authority
GB
United Kingdom
Prior art keywords
diffuser
lighting
diffusers
angle
reflector
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
GB31741/21A
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.)
STUART NUTHALL
Original Assignee
STUART NUTHALL
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 STUART NUTHALL filed Critical STUART NUTHALL
Priority to GB31741/21A priority Critical patent/GB193515A/en
Publication of GB193515A publication Critical patent/GB193515A/en
Expired 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
    • F21V7/00—Reflectors for light sources
    • F21V7/0008—Reflectors for light sources providing for indirect lighting
    • 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
    • F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
    • F21V21/14—Adjustable mountings
    • F21V21/30—Pivoted housings or frames
    • 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
    • F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
    • F21V21/34—Supporting elements displaceable along a guiding element
    • 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
    • F21W2131/10—Outdoor lighting
    • F21W2131/105—Outdoor lighting of arenas or the like

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

193,515. Nuthall, S. Nov, 26, 1921. Lighting, systems of.-In a system of indirect lighting for football grounds, tennis courts &c. and for indoor lighting, the source of light is mounted in a hemispherical reflector 18 arranged adjacent to and at the centre of the bottom surface 9 of a diffuser 5 comprising a plane diffusing surface a to which are detachably secured at suitable angles a top surface 7 and side surfaces 8, the surface 9 being also detachable from the surface a. The diffuser is adjustably mounted by hooks 17 on bars 12 having lugs 13 through which pins are passed into holes 15 on uprights 16. The reflector 18 is also adjustably mounted on an upright 20 which is braced to the uprights 16 by rods 19. The diffuser is mounted on the supports 16, 19 at such a height that the bottom diffusing surface is not less than six or seven feet above the level of the ground or playing surface, and is preferably constructed of a wooden framing with canvas &c. stretched thereon and painted white. When used with tennis courts, the diffusers are arranged on extensions of the base lines so that the centre of the plane surface a of each diffuser is at a distance of 14 feet from the edge of the court and at an angle of 128‹ to the base line. Smaller diffusers may be also arranged one on each side of an extension of the net line and in line with the larger diffusers. In a modification for illuminating two tennis courts side by side, a single diffuser, Fig. 8, consisting of two surfaces 21 at angle of 120‹ and two endsurfaces at an angle of 140‹, is adjustably mounted on four supports, the reflector 18 with the source of light being mounted on one support below the diffuser. The apparatus may also be used for illuminating indoor courts or halls or for scenic or studio lighting.
GB31741/21A 1921-11-26 1921-11-26 Improvements in and relating to systems of illumination employing artificial light Expired GB193515A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB31741/21A GB193515A (en) 1921-11-26 1921-11-26 Improvements in and relating to systems of illumination employing artificial light

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB31741/21A GB193515A (en) 1921-11-26 1921-11-26 Improvements in and relating to systems of illumination employing artificial light

Publications (1)

Publication Number Publication Date
GB193515A true GB193515A (en) 1923-02-26

Family

ID=10327682

Family Applications (1)

Application Number Title Priority Date Filing Date
GB31741/21A Expired GB193515A (en) 1921-11-26 1921-11-26 Improvements in and relating to systems of illumination employing artificial light

Country Status (1)

Country Link
GB (1) GB193515A (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0552015A1 (en) * 1992-01-14 1993-07-21 Musco Corporation Means and method for highly controllable lighting
US5343374A (en) * 1992-01-14 1994-08-30 Musco Corporation Means and method for highly controllable lighting
US5519590A (en) * 1992-01-14 1996-05-21 Musco Corporation Means and method for highly controllable lighting
US5595440A (en) * 1992-01-14 1997-01-21 Musco Corporation Means and method for highly controllable lighting of areas or objects
US5647661A (en) * 1992-01-14 1997-07-15 Musco Corporation High efficiency, highly controllable lighting apparatus and method
ITBS20120063A1 (en) * 2012-04-13 2013-10-14 Simes LIGHTING APPLIANCE
US8770801B1 (en) 2007-05-01 2014-07-08 Musco Corporation Apparatus and method for pathway or similar lighting

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0552015A1 (en) * 1992-01-14 1993-07-21 Musco Corporation Means and method for highly controllable lighting
US5337221A (en) * 1992-01-14 1994-08-09 Musco Corporation Means and method for highly controllable lighting
US5343374A (en) * 1992-01-14 1994-08-30 Musco Corporation Means and method for highly controllable lighting
US5402327A (en) * 1992-01-14 1995-03-28 Musco Corporation Means and method for highly controllable lighting
US5519590A (en) * 1992-01-14 1996-05-21 Musco Corporation Means and method for highly controllable lighting
US5595440A (en) * 1992-01-14 1997-01-21 Musco Corporation Means and method for highly controllable lighting of areas or objects
US5647661A (en) * 1992-01-14 1997-07-15 Musco Corporation High efficiency, highly controllable lighting apparatus and method
US5906425A (en) * 1992-01-14 1999-05-25 Musco Corporation Means and method for highly controllable lighting of areas or objects
US8770801B1 (en) 2007-05-01 2014-07-08 Musco Corporation Apparatus and method for pathway or similar lighting
ITBS20120063A1 (en) * 2012-04-13 2013-10-14 Simes LIGHTING APPLIANCE

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