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AU500240B2 - Efficient illumination system - Google Patents
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AU500240B2 - Efficient illumination system - Google Patents

Efficient illumination system

Info

Publication number
AU500240B2
AU500240B2 AU19039/76A AU1903976A AU500240B2 AU 500240 B2 AU500240 B2 AU 500240B2 AU 19039/76 A AU19039/76 A AU 19039/76A AU 1903976 A AU1903976 A AU 1903976A AU 500240 B2 AU500240 B2 AU 500240B2
Authority
AU
Australia
Prior art keywords
illumination system
efficient illumination
efficient
illumination
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
AU19039/76A
Other versions
AU1903976A (en
Inventor
Ra Maddox
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.)
International Business Machines Corp
Original Assignee
International Business Machines 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 International Business Machines Corp filed Critical International Business Machines Corp
Priority to AU19039/76A priority Critical patent/AU500240B2/en
Publication of AU1903976A publication Critical patent/AU1903976A/en
Application granted granted Critical
Publication of AU500240B2 publication Critical patent/AU500240B2/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B27/00—Photographic printing apparatus
    • G03B27/32—Projection printing apparatus, e.g. enlarger, copying camera
    • G03B27/52—Details
    • G03B27/54—Lamp housings; Illuminating means
    • G03B27/542—Lamp housings; Illuminating means for copying cameras, reflex exposure lighting
    • 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
    • F21V7/22—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors
    • F21V7/24—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors characterised by the material
    • F21V7/26—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors characterised by the material the material comprising photoluminescent substances
    • 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
    • F21V9/00—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
    • F21V9/04—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters for filtering out infrared radiation

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
AU19039/76A 1976-10-27 1976-10-27 Efficient illumination system Expired AU500240B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU19039/76A AU500240B2 (en) 1976-10-27 1976-10-27 Efficient illumination system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU19039/76A AU500240B2 (en) 1976-10-27 1976-10-27 Efficient illumination system

Publications (2)

Publication Number Publication Date
AU1903976A AU1903976A (en) 1978-05-04
AU500240B2 true AU500240B2 (en) 1979-05-17

Family

ID=3708632

Family Applications (1)

Application Number Title Priority Date Filing Date
AU19039/76A Expired AU500240B2 (en) 1976-10-27 1976-10-27 Efficient illumination system

Country Status (1)

Country Link
AU (1) AU500240B2 (en)

Also Published As

Publication number Publication date
AU1903976A (en) 1978-05-04

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