BE836105A - Appareil de projection a la lumiere du jour - Google Patents

Appareil de projection a la lumiere du jour

Info

Publication number
BE836105A
BE836105A BE162305A BE162305A BE836105A BE 836105 A BE836105 A BE 836105A BE 162305 A BE162305 A BE 162305A BE 162305 A BE162305 A BE 162305A BE 836105 A BE836105 A BE 836105A
Authority
BE
Belgium
Prior art keywords
projection device
daylight projection
daylight
projection
Prior art date
Application number
BE162305A
Other languages
English (en)
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 filed Critical
Publication of BE836105A publication Critical patent/BE836105A/fr

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
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/132—Overhead projectors, i.e. capable of projecting hand-writing or drawing during action
    • 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
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/14—Details
    • G03B21/20—Lamp housings

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Elements Other Than Lenses (AREA)
BE162305A 1975-02-03 1975-11-28 Appareil de projection a la lumiere du jour BE836105A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19752505316 DE2505316A1 (de) 1975-02-03 1975-02-03 Tageslichtprojektor

Publications (1)

Publication Number Publication Date
BE836105A true BE836105A (fr) 1976-03-16

Family

ID=5938409

Family Applications (1)

Application Number Title Priority Date Filing Date
BE162305A BE836105A (fr) 1975-02-03 1975-11-28 Appareil de projection a la lumiere du jour

Country Status (2)

Country Link
BE (1) BE836105A (fr)
DE (1) DE2505316A1 (fr)

Also Published As

Publication number Publication date
DE2505316A1 (de) 1976-08-05

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