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FR970422A - Projection device, in particular for a television receiver - Google Patents

Projection device, in particular for a television receiver

Info

Publication number
FR970422A
FR970422A FR970422DA FR970422A FR 970422 A FR970422 A FR 970422A FR 970422D A FR970422D A FR 970422DA FR 970422 A FR970422 A FR 970422A
Authority
FR
France
Prior art keywords
television receiver
projection device
projection
television
receiver
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
French (fr)
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of FR970422A publication Critical patent/FR970422A/en
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
    • G03B21/62—Translucent screens
    • G03B21/625—Lenticular translucent screens

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR970422D 1947-08-21 1948-08-19 Projection device, in particular for a television receiver Expired FR970422A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL970422X 1947-08-21

Publications (1)

Publication Number Publication Date
FR970422A true FR970422A (en) 1951-01-04

Family

ID=19866239

Family Applications (1)

Application Number Title Priority Date Filing Date
FR970422D Expired FR970422A (en) 1947-08-21 1948-08-19 Projection device, in particular for a television receiver

Country Status (1)

Country Link
FR (1) FR970422A (en)

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