FR1054366A - Perfectionnements aux appareils de projection - Google Patents

Perfectionnements aux appareils de projection

Info

Publication number
FR1054366A
FR1054366A FR1054366DA FR1054366A FR 1054366 A FR1054366 A FR 1054366A FR 1054366D A FR1054366D A FR 1054366DA FR 1054366 A FR1054366 A FR 1054366A
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
English (en)
Inventor
Adrien Couderc
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.)
COMM POTASSES D ALSACE SOC
Original Assignee
COMM POTASSES D ALSACE SOC
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 COMM POTASSES D ALSACE SOC filed Critical COMM POTASSES D ALSACE SOC
Application granted granted Critical
Publication of FR1054366A publication Critical patent/FR1054366A/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
    • G03B21/06—Projectors or projection-type viewers; Accessories therefor affording only episcopic projection

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR1054366D 1952-01-29 1952-01-29 Perfectionnements aux appareils de projection Expired FR1054366A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1054366T 1952-01-29

Publications (1)

Publication Number Publication Date
FR1054366A true FR1054366A (fr) 1954-02-10

Family

ID=9596368

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1054366D Expired FR1054366A (fr) 1952-01-29 1952-01-29 Perfectionnements aux appareils de projection

Country Status (1)

Country Link
FR (1) FR1054366A (fr)

Similar Documents

Publication Publication Date Title
FR1059856A (fr) Perfectionnements relatifs aux appareils voltmétriques
FR68492E (fr) Perfectionnements aux appareils rétroviseurs
FR1056646A (fr) Perfectionnements aux appareils horaires
FR1050881A (fr) Perfectionnements aux pulso-réacteurs ou appareils analogues
FR1081754A (fr) Perfectionnements se rapportant aux appareils électroniques
FR1047514A (fr) Perfectionnements aux appareils microniseurs
FR1057180A (fr) Perfectionnements aux appareils électromagnétiques
FR1067201A (fr) Perfectionnements aux appareils de projection
FR1051085A (fr) Perfectionnements aux appareils mélangeurs-batteurs ménagers
FR1089420A (fr) Perfectionnements aux appareils émulsionneurs
FR1085833A (fr) Perfectionnements aux appareils de sablage
FR1054366A (fr) Perfectionnements aux appareils de projection
FR1061249A (fr) Perfectionnements aux appareils malaxeurs
FR1080095A (fr) Perfectionnements aux appareils brûleurs
FR63516E (fr) Perfectionnements aux appareils électro-magnétiques
FR1069514A (fr) Perfectionnements aux appareils frigorifiques
FR1085205A (fr) Perfectionnements aux appareils réfrigérateurs
FR1053554A (fr) Perfectionnements apportés aux appareils à tricoter
FR1056741A (fr) Perfectionnements apportés aux appareils mélangeurs
FR1036325A (fr) Perfectionnements aux appareils de photocopie
FR1074470A (fr) Perfectionnements aux aéromoteurs
FR1054746A (fr) Perfectionnements aux appareils de télécommunication
FR1056603A (fr) Perfectionnements aux appareils de pointage
FR1063565A (fr) Perfectionnement aux appareils de projection
FR1055434A (fr) Perfectionnements aux appareils de réfrigération