GB376557A - Improvements in and relating to screens for kinematographic projections and the like - Google Patents

Improvements in and relating to screens for kinematographic projections and the like

Info

Publication number
GB376557A
GB376557A GB2711631A GB2711631A GB376557A GB 376557 A GB376557 A GB 376557A GB 2711631 A GB2711631 A GB 2711631A GB 2711631 A GB2711631 A GB 2711631A GB 376557 A GB376557 A GB 376557A
Authority
GB
United Kingdom
Prior art keywords
screen
screens
reflectors
opaque
disposed
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
GB2711631A
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
Priority to GB2711631A priority Critical patent/GB376557A/en
Publication of GB376557A publication Critical patent/GB376557A/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
    • G03B21/54—Accessories
    • G03B21/56—Projection screens
    • G03B21/60—Projection screens characterised by the nature of the surface
    • G03B21/606—Projection screens characterised by the nature of the surface for relief projection

Abstract

376,557. Projection screens. DARIMONT, L., 266, Rue Adolphe Willemyns, Brussels. Sept. 29, 1931, No. 27116. [Class 97 (i).] Projection screens for obtaining relief effects consist of a number of superposed layers 3, Fig. 2, of slightly translucent material such as a pure tracing paper impregnated with oil, retinol, fatty varnish, petroleum, &c. to increase its transparency. This compound screen is associated with an opaque, reflecting surface 4 which may be disposed at the back of the screen. In an alternative arrangement, the screen 3 may be associated with two reflectors 11, 12 as shown in Fig. 3, so that it is disposed between the projector and either of the reflectors, or between them. In this arrangement opaque screens 15, 16 may be interposed between the screen 3 and one of the reflectors.
GB2711631A 1931-09-29 1931-09-29 Improvements in and relating to screens for kinematographic projections and the like Expired GB376557A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2711631A GB376557A (en) 1931-09-29 1931-09-29 Improvements in and relating to screens for kinematographic projections and the like

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2711631A GB376557A (en) 1931-09-29 1931-09-29 Improvements in and relating to screens for kinematographic projections and the like

Publications (1)

Publication Number Publication Date
GB376557A true GB376557A (en) 1932-07-14

Family

ID=10254455

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2711631A Expired GB376557A (en) 1931-09-29 1931-09-29 Improvements in and relating to screens for kinematographic projections and the like

Country Status (1)

Country Link
GB (1) GB376557A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4974957A (en) * 1989-02-02 1990-12-04 Barney Kaelin Device for 3-dimensional imaging of laser and/or collimated light

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4974957A (en) * 1989-02-02 1990-12-04 Barney Kaelin Device for 3-dimensional imaging of laser and/or collimated light

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