WO1995010731A1 - Reflecteur pyramidal a source radiante axiale - Google Patents

Reflecteur pyramidal a source radiante axiale Download PDF

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Publication number
WO1995010731A1
WO1995010731A1 PCT/IT1993/000111 IT9300111W WO9510731A1 WO 1995010731 A1 WO1995010731 A1 WO 1995010731A1 IT 9300111 W IT9300111 W IT 9300111W WO 9510731 A1 WO9510731 A1 WO 9510731A1
Authority
WO
WIPO (PCT)
Prior art keywords
triangles
isosceles
light
shape
reflector
Prior art date
Application number
PCT/IT1993/000111
Other languages
English (en)
Inventor
Sesto Severino Donati
Original Assignee
Sesto Severino Donati
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 Sesto Severino Donati filed Critical Sesto Severino Donati
Priority to PCT/IT1993/000111 priority Critical patent/WO1995010731A1/fr
Priority to EP93924792A priority patent/EP0676022A1/fr
Publication of WO1995010731A1 publication Critical patent/WO1995010731A1/fr

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
    • F21V7/05—Optical design plane

Definitions

  • the present invention concerns a reflector device having an internal structure in the shape of a regular pyramid, whose specular surfaces consist of isosceles, equal triangles, with a light or heat source provided onto the central median axis.
  • the aim set forth is reached by means of the device according to the present invention, comprising an internal specular surface having the shape of a regular pyramid consisting of a plurality of isosceles triangles so as to have at the basis of said pyramid a shape of a regular polygon; the sum of the angles at the vertex of said triangles is of about 256" and the inclination is constant - about 32° - with respect to the central axis, where the light or heat source is provided, so as to produce a multipolar and not dazzling reflection.
  • the specular surfaces of said isosceles triangles may be slightly concave instead of being plane.
  • Figures 1 and 2 show an axonometric and transparent view of two variants of the reflector device with an internal structure in the shape of a regular pyramid having respectively a square and octagonal basis, and with a light or heat source on the central median axis.
  • the enclosed figures show a reflector device with an internal structure in the shape of a regular pyramid, having a square or a polygon basis with a plurality of sides, comprising:
  • a structure 4 of the reflector having the shape of a regular pyramid, consisting of a plurality of isosceles specular triangles 5, and the angles at the vertex, in correspondence with said sleeve 2, reach a sum of 256° when they are inclined of 32° with respect to the median axis M; said inclination remains constant even if the number of said isosceles triangles, and therefore the base polygon of said pyramidal shape - side 6 - varies;
  • the number of the sides 6 of said base polygon and therefore the number of said isosceles triangles 5 and the pyramidal shapes of the structure 4 may change from three to any other number, maintaining the regular structure of the base polygon and the sum of the angles of the vertex of the isosceles triangles 5, corresponding to about 256°, so as to be each 64° in case of a square pyramidal structure and 32° in the octagonal structure.

Landscapes

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

Abstract

Réflecteur dont la structure interne est un miroir pyramidal (4) fait de plusieurs triangles isocèles (5) formant à la base de ladite pyramide un polygone régulier à trois cotés ou plus. La somme des angles au sommet desdits triangles (5) totalisant env. 256°, et leur inclinaison par rapport à l'axe central où se trouve la source radiante est de 32°, d'où une réflexion multipolaire non éblouissante.
PCT/IT1993/000111 1993-10-15 1993-10-15 Reflecteur pyramidal a source radiante axiale WO1995010731A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/IT1993/000111 WO1995010731A1 (fr) 1993-10-15 1993-10-15 Reflecteur pyramidal a source radiante axiale
EP93924792A EP0676022A1 (fr) 1993-10-15 1993-10-15 Reflecteur pyramidal a source radiante axiale

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/IT1993/000111 WO1995010731A1 (fr) 1993-10-15 1993-10-15 Reflecteur pyramidal a source radiante axiale

Publications (1)

Publication Number Publication Date
WO1995010731A1 true WO1995010731A1 (fr) 1995-04-20

Family

ID=11331942

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IT1993/000111 WO1995010731A1 (fr) 1993-10-15 1993-10-15 Reflecteur pyramidal a source radiante axiale

Country Status (2)

Country Link
EP (1) EP0676022A1 (fr)
WO (1) WO1995010731A1 (fr)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2381065A (en) * 2001-10-05 2003-04-23 Nicotech Ltd Optical systems including conical or pyramidal reflectors
GB2384549A (en) * 2002-01-23 2003-07-30 Aurora Ltd Polygonal downlights with corrugated reflector panels
US7246923B2 (en) * 2004-02-11 2007-07-24 3M Innovative Properties Company Reshaping light source modules and illumination systems using the same
WO2010012137A1 (fr) * 2008-07-31 2010-02-04 Hong Kong Applied Science And Technology Research Institute Co., Ltd Réflecteur optique
CN101963326B (zh) * 2009-07-23 2012-03-14 富士迈半导体精密工业（上海）有限公司 反射罩及照明装置
CN102466201A (zh) * 2010-11-16 2012-05-23 海洋王照明科技股份有限公司 一种灯具反射器及便携灯具
TWI382141B (zh) * 2009-08-21 2013-01-11 Foxsemicon Integrated Tech Inc 反射罩及照明裝置
EP2792387A1 (fr) * 2013-04-16 2014-10-22 Gerhard Saalmann Unité d'éclairage d'un corps entier
ITRM20130677A1 (it) * 2013-12-09 2015-06-10 Alba Tek 2013 Gruppo ottico

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE459203A (fr) *
GB440487A (en) * 1933-05-19 1935-12-23 Edward Gerald De Mey Improvements in the art of illumination
GB2026707A (en) * 1978-06-09 1980-02-06 Eastman Kodak Co Contact printing

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE459203A (fr) *
GB440487A (en) * 1933-05-19 1935-12-23 Edward Gerald De Mey Improvements in the art of illumination
GB2026707A (en) * 1978-06-09 1980-02-06 Eastman Kodak Co Contact printing

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2381065A (en) * 2001-10-05 2003-04-23 Nicotech Ltd Optical systems including conical or pyramidal reflectors
GB2381065B (en) * 2001-10-05 2004-03-03 Nicotech Ltd Optical systems including reflectors
GB2384549A (en) * 2002-01-23 2003-07-30 Aurora Ltd Polygonal downlights with corrugated reflector panels
GB2384549B (en) * 2002-01-23 2003-12-10 Aurora Ltd Lamps
US7255461B2 (en) 2002-01-23 2007-08-14 Aurora Limited Lamp reflector having a plurality of reflecting elements
US7246923B2 (en) * 2004-02-11 2007-07-24 3M Innovative Properties Company Reshaping light source modules and illumination systems using the same
WO2010012137A1 (fr) * 2008-07-31 2010-02-04 Hong Kong Applied Science And Technology Research Institute Co., Ltd Réflecteur optique
CN101963326B (zh) * 2009-07-23 2012-03-14 富士迈半导体精密工业（上海）有限公司 反射罩及照明装置
TWI382141B (zh) * 2009-08-21 2013-01-11 Foxsemicon Integrated Tech Inc 反射罩及照明裝置
CN102466201A (zh) * 2010-11-16 2012-05-23 海洋王照明科技股份有限公司 一种灯具反射器及便携灯具
CN102466201B (zh) * 2010-11-16 2014-03-12 海洋王照明科技股份有限公司 一种灯具反射器及便携灯具
EP2792387A1 (fr) * 2013-04-16 2014-10-22 Gerhard Saalmann Unité d'éclairage d'un corps entier
ITRM20130677A1 (it) * 2013-12-09 2015-06-10 Alba Tek 2013 Gruppo ottico

Also Published As

Publication number Publication date
EP0676022A1 (fr) 1995-10-11

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