ZA869733B - Reflector for use in uniformly illuminating a polygonal area - Google Patents

Reflector for use in uniformly illuminating a polygonal area

Info

Publication number
ZA869733B
ZA869733B ZA869733A ZA869733A ZA869733B ZA 869733 B ZA869733 B ZA 869733B ZA 869733 A ZA869733 A ZA 869733A ZA 869733 A ZA869733 A ZA 869733A ZA 869733 B ZA869733 B ZA 869733B
Authority
ZA
South Africa
Prior art keywords
reflector
polygonal area
uniformly illuminating
illuminating
uniformly
Prior art date
Application number
ZA869733A
Other languages
English (en)
Inventor
Herbert Alan Fouke
Original Assignee
Manville Corp
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 Manville Corp filed Critical Manville Corp
Publication of ZA869733B publication Critical patent/ZA869733B/xx

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
    • F21V7/04—Optical design
    • F21V7/09—Optical design with a combination of different curvatures

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Optical Elements Other Than Lenses (AREA)
ZA869733A 1985-12-31 1986-12-29 Reflector for use in uniformly illuminating a polygonal area ZA869733B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/815,422 US4670825A (en) 1985-12-31 1985-12-31 Reflector for use in uniformly illuminating a polygonal area

Publications (1)

Publication Number Publication Date
ZA869733B true ZA869733B (en) 1987-08-26

Family

ID=25217737

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA869733A ZA869733B (en) 1985-12-31 1986-12-29 Reflector for use in uniformly illuminating a polygonal area

Country Status (6)

Country Link
US (1) US4670825A (fr)
EP (1) EP0228555A3 (fr)
CA (1) CA1247577A (fr)
DK (1) DK630386A (fr)
NO (1) NO865343L (fr)
ZA (1) ZA869733B (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1248422B (it) * 1989-12-06 1995-01-16 Franco Berti Faretto a lampada alogena, provvisto di un paraboloide riflettente in materiale ceramico
EP0550936B1 (fr) * 1992-01-10 1996-12-04 Koninklijke Philips Electronics N.V. Source lumineuse électrique pourvue d'un réflecteur
US5816694A (en) * 1996-06-28 1998-10-06 General Electric Company Square distribution reflector

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE533135A (fr) *
FR766879A (fr) * 1934-01-11 1934-07-05 Réflecteur asymétrique pour l'éclairage dans des directions déterminées
FR986492A (fr) * 1949-03-09 1951-08-01 Holophane Perfectionnements aux réflecteurs à surface interne réfléchissante
GB1092613A (en) * 1966-04-12 1967-11-29 Holophane Co Inc Means for producing polygonal isolux patterns
US3502865A (en) * 1967-07-13 1970-03-24 Guth Co Edwin F Luminaire
US3732417A (en) * 1971-06-16 1973-05-08 Grimes Manuf Co Square lite projector using prismatic lens
US4242727A (en) * 1979-03-29 1980-12-30 Gte Products Corporation Luminaire reflector
US4462068A (en) * 1982-06-24 1984-07-24 Manville Service Corporation Luminaire with improved lens structure

Also Published As

Publication number Publication date
CA1247577A (fr) 1988-12-28
EP0228555A2 (fr) 1987-07-15
DK630386D0 (da) 1986-12-29
DK630386A (da) 1987-07-01
NO865343L (no) 1987-07-01
EP0228555A3 (fr) 1989-04-26
US4670825A (en) 1987-06-02

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