CA403143A - Picture projection screen - Google Patents

Picture projection screen

Info

Publication number
CA403143A
CA403143A CA403143A CA403143DA CA403143A CA 403143 A CA403143 A CA 403143A CA 403143 A CA403143 A CA 403143A CA 403143D A CA403143D A CA 403143DA CA 403143 A CA403143 A CA 403143A
Authority
CA
Canada
Prior art keywords
projection screen
picture projection
picture
screen
projection
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
CA403143A
Other languages
French (fr)
Inventor
M. Kennedy Dewey
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
Publication date
Application granted granted Critical
Publication of CA403143A publication Critical patent/CA403143A/en
Expired legal-status Critical Current

Links

CA403143A Picture projection screen Expired CA403143A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA403143T

Publications (1)

Publication Number Publication Date
CA403143A true CA403143A (en) 1942-03-03

Family

ID=35413590

Family Applications (1)

Application Number Title Priority Date Filing Date
CA403143A Expired CA403143A (en) Picture projection screen

Country Status (1)

Country Link
CA (1) CA403143A (en)

Similar Documents

Publication Publication Date Title
AU116709B2 (en) Improvement in screens for picture projection
CA407358A (en) Projection screen for stereoscopic pictures
CA407720A (en) Motion picture projector
AU471142A (en) Improvement in screens for picture projection
AU117170B2 (en) Television projection apparatus
CA402134A (en) Motion picture projection apparatus
CA404065A (en) Halftone screen
CA404509A (en) Halftone screen
CA404510A (en) Halftone screen
CA402330A (en) Coloured picture projection system
CA407415A (en) Motion picture titler
CA406124A (en) Moving picture projector image retarder
CA403679A (en) Motion picture resetting apparatus
CA409282A (en) Television light valve projection apparatus
CA406290A (en) Vibrating screen
CA408783A (en) Vibrating screen
CA409588A (en) Vibrating screen
CA404555A (en) Vibratory screen
CA405717A (en) Vibratory screen
CA405424A (en) Reciprocating screen
CA402394A (en) Shaker screen
CA416500A (en) Screen for picture projections
CA396982A (en) Motion picture projector
CA403448A (en) Gravity screen
CA402772A (en) Insect screen