FR945154A - Improvements to projection devices - Google Patents

Improvements to projection devices

Info

Publication number
FR945154A
FR945154A FR945154DA FR945154A FR 945154 A FR945154 A FR 945154A FR 945154D A FR945154D A FR 945154DA FR 945154 A FR945154 A FR 945154A
Authority
FR
France
Prior art keywords
projection devices
projection
devices
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.)
Kodak Pathe SA
Original Assignee
Kodak Pathe 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 Kodak Pathe SA filed Critical Kodak Pathe SA
Application granted granted Critical
Publication of FR945154A publication Critical patent/FR945154A/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS 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
    • G03B19/00Cameras
    • G03B19/18Motion-picture cameras

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR945154D 1941-03-14 1945-08-03 Improvements to projection devices Expired FR945154A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US945154XA 1941-03-14 1941-03-14

Publications (1)

Publication Number Publication Date
FR945154A true FR945154A (en) 1949-04-27

Family

ID=22245631

Family Applications (1)

Application Number Title Priority Date Filing Date
FR945154D Expired FR945154A (en) 1941-03-14 1945-08-03 Improvements to projection devices

Country Status (1)

Country Link
FR (1) FR945154A (en)

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