GB2170256B - Natural-light illumination enhancement assembly - Google Patents

Natural-light illumination enhancement assembly

Info

Publication number
GB2170256B
GB2170256B GB08602134A GB8602134A GB2170256B GB 2170256 B GB2170256 B GB 2170256B GB 08602134 A GB08602134 A GB 08602134A GB 8602134 A GB8602134 A GB 8602134A GB 2170256 B GB2170256 B GB 2170256B
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.)
Expired
Application number
GB08602134A
Other versions
GB2170256A (en
GB8602134D0 (en
Inventor
Donald Louis Critten
Albert Louis Critten
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 GB8602134D0 publication Critical patent/GB8602134D0/en
Publication of GB2170256A publication Critical patent/GB2170256A/en
Application granted granted Critical
Publication of GB2170256B publication Critical patent/GB2170256B/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
    • A01G9/14—Greenhouses
    • A01G9/1438—Covering materials therefor; Materials for protective coverings used for soil and plants, e.g. films, canopies, tunnels or cloches
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
    • Y02A40/25—Greenhouse technology, e.g. cooling systems therefor

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Sustainable Development (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Soil Sciences (AREA)
  • Environmental Sciences (AREA)
  • Optical Elements Other Than Lenses (AREA)
GB08602134A 1985-01-29 1986-01-29 Natural-light illumination enhancement assembly Expired GB2170256B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB858502150A GB8502150D0 (en) 1985-01-29 1985-01-29 Natural-light illumination enhancement assembly

Publications (3)

Publication Number Publication Date
GB8602134D0 GB8602134D0 (en) 1986-03-05
GB2170256A GB2170256A (en) 1986-07-30
GB2170256B true GB2170256B (en) 1988-02-03

Family

ID=10573553

Family Applications (2)

Application Number Title Priority Date Filing Date
GB858502150A Pending GB8502150D0 (en) 1985-01-29 1985-01-29 Natural-light illumination enhancement assembly
GB08602134A Expired GB2170256B (en) 1985-01-29 1986-01-29 Natural-light illumination enhancement assembly

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB858502150A Pending GB8502150D0 (en) 1985-01-29 1985-01-29 Natural-light illumination enhancement assembly

Country Status (1)

Country Link
GB (2) GB8502150D0 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US6176289B1 (en) * 1999-08-16 2001-01-23 Mcreynolds David Blind system for windows

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB759325A (en) * 1954-08-27 1956-10-17 Owens Illinois Glass Co Control of daylighting
GB754619A (en) * 1954-08-30 1956-08-08 Owens Illinois Glass Co Skylights
CH650546A5 (en) * 1982-07-12 1985-07-31 Rivier Jean Jacques PANEL FOR CONSTRUCTION ELEMENT.
US4509825A (en) * 1983-06-27 1985-04-09 Hallmark Cards, Inc. Directing and controlling the distribution of radiant energy

Also Published As

Publication number Publication date
GB8502150D0 (en) 1985-02-27
GB2170256A (en) 1986-07-30
GB8602134D0 (en) 1986-03-05

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Legal Events

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