NL7302908A - - Google Patents

Info

Publication number
NL7302908A
NL7302908A NL7302908A NL7302908A NL7302908A NL 7302908 A NL7302908 A NL 7302908A NL 7302908 A NL7302908 A NL 7302908A NL 7302908 A NL7302908 A NL 7302908A NL 7302908 A NL7302908 A NL 7302908A
Authority
NL
Netherlands
Application number
NL7302908A
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 NL7302908A publication Critical patent/NL7302908A/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
    • G03B21/132—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
    • G03B21/54—Accessories
    • G03B21/64—Means for mounting individual pictures to be projected, e.g. frame for transparency
    • 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
    • G03B27/62—Holders for the original
    • G03B27/6207—Holders for the original in copying cameras
    • G03B27/6242—Masks; Overlays; Transparent carriers

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Projection Apparatus (AREA)
  • Cartons (AREA)
  • Purses, Travelling Bags, Baskets, Or Suitcases (AREA)
NL7302908A 1972-03-02 1973-03-01 NL7302908A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DK96972A DK133485B (da) 1972-03-02 1972-03-02 Holder til transparenter til overhead-projektorer.

Publications (1)

Publication Number Publication Date
NL7302908A true NL7302908A (fr) 1973-09-04

Family

ID=8099530

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7302908A NL7302908A (fr) 1972-03-02 1973-03-01

Country Status (5)

Country Link
DE (1) DE2309779A1 (fr)
DK (1) DK133485B (fr)
GB (1) GB1428772A (fr)
NL (1) NL7302908A (fr)
SE (1) SE388488B (fr)

Also Published As

Publication number Publication date
DK133485B (da) 1976-05-24
SE388488B (sv) 1976-10-04
DK133485C (fr) 1976-10-11
DE2309779A1 (de) 1973-09-06
GB1428772A (en) 1976-03-17

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Legal Events

Date Code Title Description
BV The patent application has lapsed