GB329068A - Improvements in moving picture screens - Google Patents

Improvements in moving picture screens

Info

Publication number
GB329068A
GB329068A GB734429A GB734429A GB329068A GB 329068 A GB329068 A GB 329068A GB 734429 A GB734429 A GB 734429A GB 734429 A GB734429 A GB 734429A GB 329068 A GB329068 A GB 329068A
Authority
GB
United Kingdom
Prior art keywords
fabric
moving picture
sound
screens
picture screens
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
GB734429A
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.)
ADELE L HECK
Dalite Screen & Scenic Co
Original Assignee
ADELE L HECK
Dalite Screen & Scenic Co
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 ADELE L HECK, Dalite Screen & Scenic Co filed Critical ADELE L HECK
Priority to GB734429A priority Critical patent/GB329068A/en
Publication of GB329068A publication Critical patent/GB329068A/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
    • G03B21/565—Screens allowing free passage of sound

Abstract

329,068. Marks, Sir G. C., (Dalite Screen & Scenic Co.). March 6, 1929. Draw. ings to Specification. Projection screens used with sound-reproducing means behind them are formed only of a single sheet of fabric having equally-spaced perforations or apertures therein for transmission of the sound. The screens may consist of fine-mesh cotton fabric having pieces punched from it to form the perforations. The fabric may be coated with aluminium or zinc paint &c.
GB734429A 1929-03-06 1929-03-06 Improvements in moving picture screens Expired GB329068A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB734429A GB329068A (en) 1929-03-06 1929-03-06 Improvements in moving picture screens

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB734429A GB329068A (en) 1929-03-06 1929-03-06 Improvements in moving picture screens

Publications (1)

Publication Number Publication Date
GB329068A true GB329068A (en) 1930-05-15

Family

ID=9831302

Family Applications (1)

Application Number Title Priority Date Filing Date
GB734429A Expired GB329068A (en) 1929-03-06 1929-03-06 Improvements in moving picture screens

Country Status (1)

Country Link
GB (1) GB329068A (en)

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