FR831451A - image projection screen for transparency projection, preferably for television images - Google Patents

image projection screen for transparency projection, preferably for television images

Info

Publication number
FR831451A
FR831451A FR831451DA FR831451A FR 831451 A FR831451 A FR 831451A FR 831451D A FR831451D A FR 831451DA FR 831451 A FR831451 A FR 831451A
Authority
FR
France
Prior art keywords
transparency
projection
television images
projection screen
image 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
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.)
Robert Bosch Fernsehanlagen GmbH
Original Assignee
Fernseh GmbH
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 Fernseh GmbH filed Critical Fernseh GmbH
Application granted granted Critical
Publication of FR831451A publication Critical patent/FR831451A/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)
FR831451D 1936-12-29 1937-12-29 image projection screen for transparency projection, preferably for television images Expired FR831451A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE831451X 1936-12-29

Publications (1)

Publication Number Publication Date
FR831451A true FR831451A (en) 1938-09-05

Family

ID=6753402

Family Applications (1)

Application Number Title Priority Date Filing Date
FR831451D Expired FR831451A (en) 1936-12-29 1937-12-29 image projection screen for transparency projection, preferably for television images

Country Status (1)

Country Link
FR (1) FR831451A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2567654A (en) * 1947-08-21 1951-09-11 Hartford Nat Bank & Trust Co Screen for television projection
US2567655A (en) * 1947-08-21 1951-09-11 Hartford Nat Bank & Trust Co Screen for television projection
US2706930A (en) * 1947-08-21 1955-04-26 Hartford Nat Bank & Trust Co Projection screen

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2567654A (en) * 1947-08-21 1951-09-11 Hartford Nat Bank & Trust Co Screen for television projection
US2567655A (en) * 1947-08-21 1951-09-11 Hartford Nat Bank & Trust Co Screen for television projection
US2706930A (en) * 1947-08-21 1955-04-26 Hartford Nat Bank & Trust Co Projection screen

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