FR1550476A - - Google Patents

Info

Publication number
FR1550476A
FR1550476A FR1550476DA FR1550476A FR 1550476 A FR1550476 A FR 1550476A FR 1550476D A FR1550476D A FR 1550476DA FR 1550476 A FR1550476 A FR 1550476A
Authority
FR
France
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
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 filed Critical
Application granted granted Critical
Publication of FR1550476A publication Critical patent/FR1550476A/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
    • G03B21/54—Accessories
    • G03B21/56—Projection screens
    • G03B21/60—Projection screens characterised by the nature of the surface

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Overhead Projectors And Projection Screens (AREA)
FR1550476D 1966-11-21 1967-11-21 Expired FR1550476A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US595926A US3408132A (en) 1966-11-21 1966-11-21 Projection screen

Publications (1)

Publication Number Publication Date
FR1550476A true FR1550476A (fr) 1968-12-20

Family

ID=24385291

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1550476D Expired FR1550476A (fr) 1966-11-21 1967-11-21

Country Status (7)

Country Link
US (1) US3408132A (fr)
BE (1) BE706792A (fr)
CH (1) CH469998A (fr)
DE (1) DE1572655B2 (fr)
FR (1) FR1550476A (fr)
GB (1) GB1213144A (fr)
NL (1) NL6715772A (fr)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1316486A (en) * 1969-05-15 1973-05-09 Midorikai Kk Curved projection screens
US3655472A (en) * 1969-09-16 1972-04-11 Eastman Kodak Co Method of making high brightness reflection screens
US3851950A (en) * 1973-06-18 1974-12-03 Washington Scient Ind Inc Projection screen
US3964822A (en) * 1973-10-12 1976-06-22 Mitsui Petrochemical Industries, Ltd. Projection screen and process for production thereof
US4089587A (en) * 1974-11-29 1978-05-16 Schudel Conrad R Projection screen surface and method of forming said surface
CH604205A5 (fr) * 1976-11-16 1978-08-31 Landis & Gyr Ag
US4190320A (en) * 1978-10-24 1980-02-26 Jesus Ferro Projection screen
JPS5564228A (en) * 1978-11-08 1980-05-14 Mitsubishi Electric Corp Reflection type projecting screen
JPS5630024A (en) * 1979-08-21 1981-03-26 Mitsui Petrochem Ind Ltd Surface treating method for aluminum sheet body
US4268118A (en) * 1979-09-05 1981-05-19 Minnesota Mining And Manufacturing Company Sheeting useful as a projection screen
US5337179A (en) * 1992-07-27 1994-08-09 Hodges Marvin P Flexible controllable optical surface and method of making the same
KR20040090876A (ko) * 2003-04-18 2004-10-27 최해용 초점이 있는 정구면(正球面) 반사 스크린 및 그 제조방법
DE10359084A1 (de) * 2003-12-17 2005-07-21 Hahn, Harry K., Dipl.-Ing. (FH) Bildwand
US7583437B2 (en) * 2005-12-08 2009-09-01 Real D Projection screen with virtual compound curvature
KR101205130B1 (ko) * 2010-07-12 2012-11-26 최해용 멀티 입사각도를 갖는 반사스크린
US20150002931A1 (en) * 2013-06-28 2015-01-01 Reald Inc. Directional polarization preserving screen
CN110554557B (zh) * 2018-05-31 2021-10-22 深圳光峰科技股份有限公司 投影屏幕和投影系统
CN110955106B (zh) * 2018-09-27 2021-11-12 深圳光峰科技股份有限公司 投影屏幕和投影系统

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1288867A (en) * 1917-09-28 1918-12-24 Irwin B Fuller Reversible-blade propeller.
US1330447A (en) * 1919-05-08 1920-02-10 Glifograph Corp Photographic and cinematographic projection
US1526715A (en) * 1921-06-04 1925-02-17 Moon Samuel Henry Projection screen
US1498433A (en) * 1922-01-26 1924-06-17 Bouin Charles Stereoscopic projection screen
US1568023A (en) * 1922-04-18 1925-12-29 Eureka Cinema Corp Picture screen
US2177572A (en) * 1936-09-17 1939-10-24 Kogel Gustav Cinematograph or like projection surface and method of making same
US2256692A (en) * 1939-08-31 1941-09-23 Stableford John Leslie Projection screen for cinematography, television, stereoscopy, and like purposes
US2508058A (en) * 1947-01-27 1950-05-16 Philco Corp Method of making picture projection screens
US2928131A (en) * 1957-04-23 1960-03-15 American Optical Corp Light diffusing means and method of making same
FR1369446A (fr) * 1963-06-29 1964-08-14 Perfectionnements aux écrans de projection
US3314742A (en) * 1964-11-06 1967-04-18 Morgan Adhesives Co Screen for movies and the like

Also Published As

Publication number Publication date
NL6715772A (fr) 1968-05-22
DE1572655B2 (de) 1971-06-03
GB1213144A (en) 1970-11-18
US3408132A (en) 1968-10-29
CH469998A (fr) 1969-03-15
DE1572655A1 (de) 1970-06-25
BE706792A (fr) 1968-04-01

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Legal Events

Date Code Title Description
ST Notification of lapse