[go: up one dir, main page]

FR997920A - Perfectionnements apportés aux appareils de projection - Google Patents

Perfectionnements apportés aux appareils de projection

Info

Publication number
FR997920A
FR997920A FR997920DA FR997920A FR 997920 A FR997920 A FR 997920A FR 997920D A FR997920D A FR 997920DA FR 997920 A FR997920 A FR 997920A
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
Louis-Jean Damblanc
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 filed Critical
Application granted granted Critical
Publication of FR997920A publication Critical patent/FR997920A/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
    • G03B23/00—Devices for changing pictures in viewing apparatus or projectors
    • G03B23/08—Devices for changing pictures in viewing apparatus or projectors in which pictures are attached to a movable carrier
    • G03B23/10—Devices for changing pictures in viewing apparatus or projectors in which pictures are attached to a movable carrier drum or disc carrier

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR997920D 1945-09-05 1945-09-05 Perfectionnements apportés aux appareils de projection Expired FR997920A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR997920T 1945-09-05

Publications (1)

Publication Number Publication Date
FR997920A true FR997920A (fr) 1952-01-11

Family

ID=9559016

Family Applications (1)

Application Number Title Priority Date Filing Date
FR997920D Expired FR997920A (fr) 1945-09-05 1945-09-05 Perfectionnements apportés aux appareils de projection

Country Status (1)

Country Link
FR (1) FR997920A (fr)

Similar Documents

Publication Publication Date Title
FR933208A (fr) Perfectionnements aux appareils vibratoires
FR922586A (fr) Perfectionnements apportés aux appareils de combustion
FR997369A (fr) Perfectionnements apportés aux appareils de projection
FR941632A (fr) Perfectionnements apportés aux distributeurs-régulateurs
FR57031E (fr) Perfectionnements apportés aux appareils de projection
FR933643A (fr) Perfectionnements aux appareils de projection cinématographique
FR997920A (fr) Perfectionnements apportés aux appareils de projection
FR941904A (fr) Perfectionnements aux appareils de projection
FR937089A (fr) Perfectionnements aux récepteurs de télégraphes-imprimeurs
FR939521A (fr) Perfectionnements aux appareils pulvérisateurs
FR914907A (fr) Perfectionnements apportés aux appareils de projections fixes
FR940883A (fr) Perfectionnements aux appareils télécinématographiques
FR918059A (fr) Perfectionnements aux appareils de projection fixe
FR911762A (fr) Perfectionnements aux appareils cinématographiques
FR938314A (fr) Perfectionnements relatifs aux appareils électriques indicateurs
FR939362A (fr) Perfectionnements aux appareils indicateurs
FR939113A (fr) Perfectionnements aux appareils à induction
FR933155A (fr) Perfectionnements aux lampes de projection
FR926441A (fr) Perfectionnements aux appareils de publicité
FR941726A (fr) Perfectionnements aux appareils photographiques
FR916661A (fr) Perfectionnements aux appareils de séparation
FR909562A (fr) Perfectionnements aux appareils sanitaires
FR933297A (fr) Perfectionnements aux appareils cinématographiques de projection
FR56464E (fr) Perfectionnements apportés aux cycles
FR911511A (fr) Perfectionnements aux appareils de publicité