ZA716873B - Improvements in or relating to optical systems - Google Patents

Improvements in or relating to optical systems

Info

Publication number
ZA716873B
ZA716873B ZA716873A ZA716873A ZA716873B ZA 716873 B ZA716873 B ZA 716873B ZA 716873 A ZA716873 A ZA 716873A ZA 716873 A ZA716873 A ZA 716873A ZA 716873 B ZA716873 B ZA 716873B
Authority
ZA
South Africa
Prior art keywords
relating
optical systems
optical
systems
Prior art date
Application number
ZA716873A
Inventor
D Dewpiele
Original Assignee
Lamson Paragon 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 Lamson Paragon Ltd filed Critical Lamson Paragon Ltd
Publication of ZA716873B publication Critical patent/ZA716873B/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41B—MACHINES OR ACCESSORIES FOR MAKING, SETTING, OR DISTRIBUTING TYPE; TYPE; PHOTOGRAPHIC OR PHOTOELECTRIC COMPOSING DEVICES
    • B41B13/00—Equipment specially adapted for photographing mounted characters or the like, e.g. advertisements, lines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41B—MACHINES OR ACCESSORIES FOR MAKING, SETTING, OR DISTRIBUTING TYPE; TYPE; PHOTOGRAPHIC OR PHOTOELECTRIC COMPOSING DEVICES
    • B41B21/00—Common details of photographic composing machines of the kinds covered in groups B41B17/00 and B41B19/00
    • B41B21/16—Optical systems
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B19/00—Condensers, e.g. light collectors or similar non-imaging optics
    • G02B19/0004—Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed
    • G02B19/0028—Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed refractive and reflective surfaces, e.g. non-imaging catadioptric systems
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B19/00—Condensers, e.g. light collectors or similar non-imaging optics
    • G02B19/0033—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use
    • G02B19/0047—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with a light source
    • 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
    • G03B27/545—Lamp housings; Illuminating means for enlargers
ZA716873A 1970-10-14 1971-10-14 Improvements in or relating to optical systems ZA716873B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4885070 1970-10-14

Publications (1)

Publication Number Publication Date
ZA716873B true ZA716873B (en) 1972-06-28

Family

ID=10450151

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA716873A ZA716873B (en) 1970-10-14 1971-10-14 Improvements in or relating to optical systems

Country Status (8)

Country Link
AU (1) AU452019B2 (en)
BE (1) BE773875A (en)
CH (1) CH535653A (en)
DE (1) DE2150870A1 (en)
FR (1) FR2110422B1 (en)
GB (1) GB1324115A (en)
IT (1) IT938717B (en)
ZA (1) ZA716873B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2932944C2 (en) * 1979-08-14 1981-10-08 D. Stempel Ag, 6000 Frankfurt Lighting device for phototypesetting devices or machines

Also Published As

Publication number Publication date
FR2110422B1 (en) 1974-03-29
CH535653A (en) 1973-04-15
AU452019B2 (en) 1974-08-22
BE773875A (en) 1972-01-31
IT938717B (en) 1973-02-10
AU3443971A (en) 1973-04-19
FR2110422A1 (en) 1972-06-02
DE2150870A1 (en) 1972-04-20
GB1324115A (en) 1973-07-18

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