JPS5749941A - Light-source optical system - Google Patents

Light-source optical system

Info

Publication number
JPS5749941A
JPS5749941A JP12550880A JP12550880A JPS5749941A JP S5749941 A JPS5749941 A JP S5749941A JP 12550880 A JP12550880 A JP 12550880A JP 12550880 A JP12550880 A JP 12550880A JP S5749941 A JPS5749941 A JP S5749941A
Authority
JP
Japan
Prior art keywords
light source
reflecting mirrors
spherical reflecting
spherical
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.)
Pending
Application number
JP12550880A
Other languages
English (en)
Inventor
Hisashi Yamada
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Priority to JP12550880A priority Critical patent/JPS5749941A/ja
Publication of JPS5749941A publication Critical patent/JPS5749941A/ja
Pending 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Exposure Or Original Feeding In Electrophotography (AREA)
  • Light Sources And Details Of Projection-Printing Devices (AREA)
JP12550880A 1980-09-10 1980-09-10 Light-source optical system Pending JPS5749941A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12550880A JPS5749941A (en) 1980-09-10 1980-09-10 Light-source optical system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12550880A JPS5749941A (en) 1980-09-10 1980-09-10 Light-source optical system

Publications (1)

Publication Number Publication Date
JPS5749941A true JPS5749941A (en) 1982-03-24

Family

ID=14911856

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12550880A Pending JPS5749941A (en) 1980-09-10 1980-09-10 Light-source optical system

Country Status (1)

Country Link
JP (1) JPS5749941A (ja)

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