AU561188B2 - Apparatus for producing two mutually divergent light beams - Google Patents

Apparatus for producing two mutually divergent light beams

Info

Publication number
AU561188B2
AU561188B2 AU23362/84A AU2336284A AU561188B2 AU 561188 B2 AU561188 B2 AU 561188B2 AU 23362/84 A AU23362/84 A AU 23362/84A AU 2336284 A AU2336284 A AU 2336284A AU 561188 B2 AU561188 B2 AU 561188B2
Authority
AU
Australia
Prior art keywords
reflector
plane
beams
portions
light
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.)
Ceased
Application number
AU23362/84A
Other languages
English (en)
Other versions
AU2336284A (en
Inventor
John Anderson Oram
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.)
J&D Oram Ltd
Original Assignee
Oram J & D Ltd
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 Oram J & D Ltd filed Critical Oram J & D Ltd
Publication of AU2336284A publication Critical patent/AU2336284A/en
Application granted granted Critical
Publication of AU561188B2 publication Critical patent/AU561188B2/en
Anticipated expiration legal-status Critical
Ceased 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
    • F21V7/04—Optical design
    • F21V7/09—Optical design with a combination of different curvatures
    • 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
    • F21W2131/20—Lighting for medical use
    • F21W2131/202—Lighting for medical use for dentistry

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Lasers (AREA)
AU23362/84A 1982-12-01 1983-12-01 Apparatus for producing two mutually divergent light beams Ceased AU561188B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8234301 1982-12-01
GB8234301 1982-12-01

Publications (2)

Publication Number Publication Date
AU2336284A AU2336284A (en) 1984-06-18
AU561188B2 true AU561188B2 (en) 1987-04-30

Family

ID=10534670

Family Applications (1)

Application Number Title Priority Date Filing Date
AU23362/84A Ceased AU561188B2 (en) 1982-12-01 1983-12-01 Apparatus for producing two mutually divergent light beams

Country Status (9)

Country Link
US (1) US4564892A (en, 2012)
EP (1) EP0113197B1 (en, 2012)
JP (1) JPS59502125A (en, 2012)
KR (1) KR920004797B1 (en, 2012)
AU (1) AU561188B2 (en, 2012)
DE (1) DE3370369D1 (en, 2012)
HK (1) HK80787A (en, 2012)
IN (1) IN162108B (en, 2012)
WO (1) WO1984002173A1 (en, 2012)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU599794B2 (en) * 1987-09-15 1990-07-26 Guzzini Illuminazione S.r.l. Light shield-reflector for a lighting implement

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4833578A (en) * 1987-08-24 1989-05-23 Rayovac Corporation Optical system for generating multiple light beams from a single source
WO2004033958A2 (en) * 2002-10-04 2004-04-22 Wavien, Inc. Multiple output illumination using reflectors
US7556399B1 (en) 2006-01-25 2009-07-07 Bailey Michael L Light reflector assembly having opposed reflector sections
US20080094846A1 (en) * 2006-10-20 2008-04-24 Nobuo Oyama Reflector for light source, light source device and illuminating device

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB279875A (en) * 1926-10-28 1928-03-08 Willem Roelof Vermande Street lighting for arterial roads and a lamp for that purpose
DE570288C (de) * 1929-07-30 1933-02-14 Anciens Etablissements Sautter Reflektor
FR751001A (fr) * 1932-05-21 1933-08-25 Dispositif optique pour appareils d'éclairage
GB534455A (en) * 1939-05-17 1941-03-07 Harold Martin Improvements in and relating to apparatus for the projection of light
GB648271A (en) * 1944-03-27 1951-01-03 British Thomson Houston Co Ltd Improvements relating to the projection of light rays
DE1013241B (de) * 1953-10-15 1957-08-08 Meiners Optical Devices Ltd Fadenbeleuchtungsvorrichtung fuer Textilmaschinen
DE1187207B (de) * 1960-09-30 1965-02-18 Siemens Ag Einzelleuchte zur Anordnung zwischen zwei Fahrbahnen
GB1372024A (en) * 1970-10-07 1974-10-30 Oram J A Lighting device
FR2489929A1 (fr) * 1980-09-11 1982-03-12 Balcar Sa Source de lumiere multi-effets a usage notamment de projecteur pour la photographie, le cinema et la television, ou de luminaire et procede de fabrication de cette source de lumiere
US4441141A (en) * 1981-03-16 1984-04-03 Lo Anthony T S Light reflector unit for a photographic camera

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU599794B2 (en) * 1987-09-15 1990-07-26 Guzzini Illuminazione S.r.l. Light shield-reflector for a lighting implement

Also Published As

Publication number Publication date
JPS59502125A (ja) 1984-12-20
US4564892A (en) 1986-01-14
DE3370369D1 (en) 1987-04-23
EP0113197A1 (en) 1984-07-11
KR840007183A (ko) 1984-12-05
WO1984002173A1 (en) 1984-06-07
IN162108B (en, 2012) 1988-03-26
EP0113197B1 (en) 1987-03-18
JPH041961B2 (en, 2012) 1992-01-16
KR920004797B1 (ko) 1992-06-15
HK80787A (en) 1987-11-06
AU2336284A (en) 1984-06-18

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