FR910750A - Perfectionnement aux écrans - Google Patents

Perfectionnement aux écrans

Info

Publication number
FR910750A
FR910750A FR910750DA FR910750A FR 910750 A FR910750 A FR 910750A FR 910750D A FR910750D A FR 910750DA FR 910750 A FR910750 A FR 910750A
Authority
FR
France
Prior art keywords
screen improvement
improvement
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)
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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston SA
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 Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR910750A publication Critical patent/FR910750A/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
    • G03B21/562—Screens moving during projection

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR910750D 1944-12-13 1944-12-13 Perfectionnement aux écrans Expired FR910750A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR910750T 1944-12-13

Publications (1)

Publication Number Publication Date
FR910750A true FR910750A (fr) 1946-06-17

Family

ID=9414011

Family Applications (1)

Application Number Title Priority Date Filing Date
FR910750D Expired FR910750A (fr) 1944-12-13 1944-12-13 Perfectionnement aux écrans

Country Status (1)

Country Link
FR (1) FR910750A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1677144A1 (fr) * 2003-09-30 2006-07-05 Matsushita Electric Industrial Co., Ltd. Dispositif d'affichage

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1677144A1 (fr) * 2003-09-30 2006-07-05 Matsushita Electric Industrial Co., Ltd. Dispositif d'affichage
EP1677144A4 (fr) * 2003-09-30 2008-05-28 Matsushita Electric Ind Co Ltd Dispositif d'affichage

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