FR850889A - Image projection device with optical compensation - Google Patents

Image projection device with optical compensation

Info

Publication number
FR850889A
FR850889A FR850889DA FR850889A FR 850889 A FR850889 A FR 850889A FR 850889D A FR850889D A FR 850889DA FR 850889 A FR850889 A FR 850889A
Authority
FR
France
Prior art keywords
projection device
image projection
optical compensation
compensation
optical
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.)
Klangfilm GmbH
Original Assignee
Klangfilm 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 Klangfilm GmbH filed Critical Klangfilm GmbH
Application granted granted Critical
Publication of FR850889A publication Critical patent/FR850889A/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
    • G03B41/00—Special techniques not covered by groups G03B31/00 - G03B39/00; Apparatus therefor
    • G03B41/02—Special techniques not covered by groups G03B31/00 - G03B39/00; Apparatus therefor using non-intermittently running film
    • G03B41/04—Special techniques not covered by groups G03B31/00 - G03B39/00; Apparatus therefor using non-intermittently running film with optical compensator
    • G03B41/08—Special techniques not covered by groups G03B31/00 - G03B39/00; Apparatus therefor using non-intermittently running film with optical compensator with rotating transmitting member

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR850889D 1938-03-03 1939-02-27 Image projection device with optical compensation Expired FR850889A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE850889X 1938-03-03

Publications (1)

Publication Number Publication Date
FR850889A true FR850889A (en) 1939-12-28

Family

ID=6779154

Family Applications (1)

Application Number Title Priority Date Filing Date
FR850889D Expired FR850889A (en) 1938-03-03 1939-02-27 Image projection device with optical compensation

Country Status (1)

Country Link
FR (1) FR850889A (en)

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