GB1428772A - Holder for transparencies - Google Patents

Holder for transparencies

Info

Publication number
GB1428772A
GB1428772A GB1035073A GB1035073A GB1428772A GB 1428772 A GB1428772 A GB 1428772A GB 1035073 A GB1035073 A GB 1035073A GB 1035073 A GB1035073 A GB 1035073A GB 1428772 A GB1428772 A GB 1428772A
Authority
GB
United Kingdom
Prior art keywords
transparencies
holder
march
openings
frame
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
GB1035073A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB1428772A publication Critical patent/GB1428772A/en
Expired legal-status Critical Current

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)
GB1035073A 1972-03-02 1973-03-02 Holder for transparencies Expired GB1428772A (en)

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
GB1428772A true GB1428772A (en) 1976-03-17

Family

ID=8099530

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1035073A Expired GB1428772A (en) 1972-03-02 1973-03-02 Holder for transparencies

Country Status (5)

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

Also Published As

Publication number Publication date
DK133485B (da) 1976-05-24
DK133485C (da) 1976-10-11
DE2309779A1 (de) 1973-09-06
NL7302908A (da) 1973-09-04
SE388488B (sv) 1976-10-04

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee