FR71071E - Appareil de lecture de microfilms à déroulement automatique - Google Patents

Appareil de lecture de microfilms à déroulement automatique

Info

Publication number
FR71071E
FR71071E FR71071DA FR71071E FR 71071 E FR71071 E FR 71071E FR 71071D A FR71071D A FR 71071DA FR 71071 E FR71071 E FR 71071E
Authority
FR
France
Prior art keywords
unwinding
self
microfilm reader
microfilm
reader
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
Robert-Ernest Cherouvrier
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 FR71071E publication Critical patent/FR71071E/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
    • G03B21/10—Projectors with built-in or built-on screen
    • G03B21/11—Projectors with built-in or built-on screen for microfilm reading
    • G03B21/111—Projectors with built-in or built-on screen for microfilm reading of roll films
    • 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
    • G03B23/12—Devices for changing pictures in viewing apparatus or projectors in which pictures are attached to a movable carrier linear strip carrier

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR71071D 1957-02-25 1957-02-25 Appareil de lecture de microfilms à déroulement automatique Expired FR71071E (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR71071T 1957-02-25

Publications (1)

Publication Number Publication Date
FR71071E true FR71071E (fr) 1959-10-08

Family

ID=8702690

Family Applications (1)

Application Number Title Priority Date Filing Date
FR71071D Expired FR71071E (fr) 1957-02-25 1957-02-25 Appareil de lecture de microfilms à déroulement automatique

Country Status (1)

Country Link
FR (1) FR71071E (fr)

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