FR2667701B1 - Ecran de projection spherique. - Google Patents

Ecran de projection spherique.

Info

Publication number
FR2667701B1
FR2667701B1 FR9012579A FR9012579A FR2667701B1 FR 2667701 B1 FR2667701 B1 FR 2667701B1 FR 9012579 A FR9012579 A FR 9012579A FR 9012579 A FR9012579 A FR 9012579A FR 2667701 B1 FR2667701 B1 FR 2667701B1
Authority
FR
France
Prior art keywords
projection screen
spherical projection
spherical
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 - Fee Related
Application number
FR9012579A
Other languages
English (en)
Other versions
FR2667701A1 (fr
Inventor
Coudurier Pierre
Devillard Gerard
Lamarre Francois
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 FR9012579A priority Critical patent/FR2667701B1/fr
Publication of FR2667701A1 publication Critical patent/FR2667701A1/fr
Application granted granted Critical
Publication of FR2667701B1 publication Critical patent/FR2667701B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Curtains And Furnishings For Windows Or Doors (AREA)
FR9012579A 1990-10-05 1990-10-05 Ecran de projection spherique. Expired - Fee Related FR2667701B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9012579A FR2667701B1 (fr) 1990-10-05 1990-10-05 Ecran de projection spherique.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9012579A FR2667701B1 (fr) 1990-10-05 1990-10-05 Ecran de projection spherique.

Publications (2)

Publication Number Publication Date
FR2667701A1 FR2667701A1 (fr) 1992-04-10
FR2667701B1 true FR2667701B1 (fr) 1993-01-15

Family

ID=9401146

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9012579A Expired - Fee Related FR2667701B1 (fr) 1990-10-05 1990-10-05 Ecran de projection spherique.

Country Status (1)

Country Link
FR (1) FR2667701B1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL1020098C1 (nl) * 2002-03-01 2003-09-02 Simulator Systems B V I O Projectie-inrichting met frame en scherm-spanmiddelen.
DE20206392U1 (de) * 2002-04-22 2002-08-08 ERLAS Erlanger Lasertechnik GmbH, 91056 Erlangen Projektionswand

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB191505398A (en) * 1915-04-09 1919-07-17 Cesare Parolini Improvements in Screens for Fixed or Motion Picture Apparatus.
GB469812A (en) * 1936-01-31 1937-08-03 John Michael Denton Improvements in or relating to perforated projection screens
DE1037721B (de) * 1956-01-12 1958-08-28 Zeiss Jena Veb Carl Projektionskuppel
US3695751A (en) * 1969-10-30 1972-10-03 Midori Kai Co Ltd Hemispherical motion picture screen
US4318589A (en) * 1980-07-07 1982-03-09 The Singer Company Segmented curved screen construction for preserving a predefined curvature

Also Published As

Publication number Publication date
FR2667701A1 (fr) 1992-04-10

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Legal Events

Date Code Title Description
ST Notification of lapse