NL6902298A - - Google Patents

Info

Publication number
NL6902298A
NL6902298A NL6902298A NL6902298A NL6902298A NL 6902298 A NL6902298 A NL 6902298A NL 6902298 A NL6902298 A NL 6902298A NL 6902298 A NL6902298 A NL 6902298A NL 6902298 A NL6902298 A NL 6902298A
Authority
NL
Netherlands
Application number
NL6902298A
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
Priority claimed from FR67381A external-priority patent/FR1494153A/fr
Application filed filed Critical
Publication of NL6902298A publication Critical patent/NL6902298A/xx

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
    • G03B21/54—Accessories
    • G03B21/56—Projection screens
    • G03B21/60—Projection screens characterised by the nature of the surface

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Overhead Projectors And Projection Screens (AREA)
NL6902298A 1966-06-29 1969-02-13 NL6902298A (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR67381A FR1494153A (fr) 1966-06-29 1966-06-29 Procédé d'obtention de surfaces réfléchissantes souples, notamment pour écrans de projection, et surfaces obtenues par ce prcoédé
FR108387A FR92347E (fr) 1966-06-29 1967-05-30 Procédé d'obtention de surfaces réfléchissantes souples, notamment pour écrans de projection, et surfaces obtenues par ce procédé
FR140437A FR94190E (fr) 1966-06-29 1968-02-20 Procédé d'obtention de surfaces réfléchissantes souples, notamment pour écrans de projection, et surfaces obtenues par ce procédé.

Publications (1)

Publication Number Publication Date
NL6902298A true NL6902298A (fr) 1969-08-22

Family

ID=8646196

Family Applications (1)

Application Number Title Priority Date Filing Date
NL6902298A NL6902298A (fr) 1966-06-29 1969-02-13

Country Status (3)

Country Link
DE (1) DE1906769A1 (fr)
FR (1) FR94190E (fr)
NL (1) NL6902298A (fr)

Also Published As

Publication number Publication date
FR94190E (fr) 1969-07-11
DE1906769A1 (de) 1969-09-18

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