BE773875A - IMPROVEMENTS MADE OR RELATING TO OPTICAL SYSTEMS - Google Patents

IMPROVEMENTS MADE OR RELATING TO OPTICAL SYSTEMS

Info

Publication number
BE773875A
BE773875A BE773875A BE773875A BE773875A BE 773875 A BE773875 A BE 773875A BE 773875 A BE773875 A BE 773875A BE 773875 A BE773875 A BE 773875A BE 773875 A BE773875 A BE 773875A
Authority
BE
Belgium
Prior art keywords
relating
optical systems
improvements made
optical
systems
Prior art date
Application number
BE773875A
Other languages
French (fr)
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 BE773875A publication Critical patent/BE773875A/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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Projection-Type Copiers In General (AREA)
  • Projection Apparatus (AREA)
BE773875A 1970-10-14 1971-10-13 IMPROVEMENTS MADE OR RELATING TO OPTICAL SYSTEMS BE773875A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
BE773875A true BE773875A (en) 1972-01-31

Family

ID=10450151

Family Applications (1)

Application Number Title Priority Date Filing Date
BE773875A BE773875A (en) 1970-10-14 1971-10-13 IMPROVEMENTS MADE 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
FR2110422A1 (en) 1972-06-02
IT938717B (en) 1973-02-10
GB1324115A (en) 1973-07-18
DE2150870A1 (en) 1972-04-20
AU452019B2 (en) 1974-08-22
CH535653A (en) 1973-04-15
AU3443971A (en) 1973-04-19
ZA716873B (en) 1972-06-28

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: LAMSON PARAGON LTD

Effective date: 19841013