GB8914468D0 - Natural-light illumination enhancement assembly - Google Patents

Natural-light illumination enhancement assembly

Info

Publication number
GB8914468D0
GB8914468D0 GB898914468A GB8914468A GB8914468D0 GB 8914468 D0 GB8914468 D0 GB 8914468D0 GB 898914468 A GB898914468 A GB 898914468A GB 8914468 A GB8914468 A GB 8914468A GB 8914468 D0 GB8914468 D0 GB 8914468D0
Authority
GB
United Kingdom
Prior art keywords
natural
light illumination
illumination enhancement
enhancement assembly
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.)
Withdrawn
Application number
GB898914468A
Other versions
GB2220025A (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.)
National Research Development Corp UK
Original Assignee
National Research Development Corp UK
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 National Research Development Corp UK filed Critical National Research Development Corp UK
Publication of GB8914468D0 publication Critical patent/GB8914468D0/en
Publication of GB2220025A publication Critical patent/GB2220025A/en
Withdrawn legal-status Critical Current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
    • F21V5/02—Refractors for light sources of prismatic shape
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S11/00—Non-electric lighting devices or systems using daylight

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Greenhouses (AREA)
GB8914468A 1988-06-23 1989-06-23 Natural-light illumination enhancement assembly Withdrawn GB2220025A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB888814954A GB8814954D0 (en) 1988-06-23 1988-06-23 Natural-light illumination enhancement assembly

Publications (2)

Publication Number Publication Date
GB8914468D0 true GB8914468D0 (en) 1989-08-09
GB2220025A GB2220025A (en) 1989-12-28

Family

ID=10639218

Family Applications (2)

Application Number Title Priority Date Filing Date
GB888814954A Pending GB8814954D0 (en) 1988-06-23 1988-06-23 Natural-light illumination enhancement assembly
GB8914468A Withdrawn GB2220025A (en) 1988-06-23 1989-06-23 Natural-light illumination enhancement assembly

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB888814954A Pending GB8814954D0 (en) 1988-06-23 1988-06-23 Natural-light illumination enhancement assembly

Country Status (1)

Country Link
GB (2) GB8814954D0 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1991003682A1 (en) * 1989-09-08 1991-03-21 Queensland University Of Technology Illuminating apparatus
EP0753121B1 (en) * 1993-05-04 2001-11-14 Redbus Serraglaze Ltd. An optical element suitable for use in glazing
DE19636817C1 (en) * 1996-09-11 1998-10-15 Koester Helmut Dipl Ing Archit Sunshade or sunblind installed in e.g. window
DE19700111C2 (en) * 1997-01-03 2003-02-06 Fraunhofer Ges Forschung Sun protection device in the manner of a blind
GB9710034D0 (en) * 1997-05-16 1997-07-09 Secretary Trade Ind Brit Roller blind or curtain
FR2813333B1 (en) * 2000-08-23 2003-06-27 Jean Claude Tintillier BUILDING ELEMENT WITH IMPROVED BRIGHTNESS

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB754619A (en) * 1954-08-30 1956-08-08 Owens Illinois Glass Co Skylights

Also Published As

Publication number Publication date
GB8814954D0 (en) 1988-07-27
GB2220025A (en) 1989-12-28

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)