FR733113A - Perfectionnements relatifs aux écrans de projection - Google Patents

Perfectionnements relatifs aux écrans de projection

Info

Publication number
FR733113A
FR733113A FR733113DA FR733113A FR 733113 A FR733113 A FR 733113A FR 733113D A FR733113D A FR 733113DA FR 733113 A FR733113 A FR 733113A
Authority
FR
France
Prior art keywords
improvements relating
projection screens
screens
projection
relating
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.)
TRANS-LUX DAYLIGHT PICTURE SCREEN Corp
Trans Lux Daylight Picture Screen Corp
Original Assignee
TRANS-LUX DAYLIGHT PICTURE SCREEN Corp
Trans Lux Daylight Picture Screen Corp
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 TRANS-LUX DAYLIGHT PICTURE SCREEN Corp, Trans Lux Daylight Picture Screen Corp filed Critical TRANS-LUX DAYLIGHT PICTURE SCREEN Corp
Application granted granted Critical
Publication of FR733113A publication Critical patent/FR733113A/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
    • G03B21/62—Translucent screens

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR733113D 1932-02-12 1932-02-12 Perfectionnements relatifs aux écrans de projection Expired FR733113A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR733113T 1932-02-12

Publications (1)

Publication Number Publication Date
FR733113A true FR733113A (fr) 1932-09-30

Family

ID=9124397

Family Applications (1)

Application Number Title Priority Date Filing Date
FR733113D Expired FR733113A (fr) 1932-02-12 1932-02-12 Perfectionnements relatifs aux écrans de projection

Country Status (1)

Country Link
FR (1) FR733113A (fr)

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