FR1082795A - écran de projection - Google Patents

écran de projection

Info

Publication number
FR1082795A
FR1082795A FR1082795DA FR1082795A FR 1082795 A FR1082795 A FR 1082795A FR 1082795D A FR1082795D A FR 1082795DA FR 1082795 A FR1082795 A FR 1082795A
Authority
FR
France
Prior art keywords
projection screen
projection
screen
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
Other languages
English (en)
Inventor
Emile Tardy
Jean Vivie
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.)
GAUMONT SOC NOUV ETS
Original Assignee
GAUMONT SOC NOUV ETS
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 GAUMONT SOC NOUV ETS filed Critical GAUMONT SOC NOUV ETS
Application granted granted Critical
Publication of FR1082795A publication Critical patent/FR1082795A/fr
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
    • G03B21/13—Projectors for producing special effects at the edges of picture, e.g. blurring
FR1082795D 1953-05-26 1953-05-26 écran de projection Expired FR1082795A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1082795T 1953-05-26

Publications (1)

Publication Number Publication Date
FR1082795A true FR1082795A (fr) 1955-01-03

Family

ID=9610881

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1082795D Expired FR1082795A (fr) 1953-05-26 1953-05-26 écran de projection

Country Status (1)

Country Link
FR (1) FR1082795A (fr)

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