FR942117A - Porte-châssis pour appareil de lecture de microfilms - Google Patents

Porte-châssis pour appareil de lecture de microfilms

Info

Publication number
FR942117A
FR942117A FR942117DA FR942117A FR 942117 A FR942117 A FR 942117A FR 942117D A FR942117D A FR 942117DA FR 942117 A FR942117 A FR 942117A
Authority
FR
France
Prior art keywords
frame holder
microfilm reader
microfilm
reader
holder
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)
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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston 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 Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR942117A publication Critical patent/FR942117A/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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR942117D 1944-03-06 1944-03-06 Porte-châssis pour appareil de lecture de microfilms Expired FR942117A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR942117T 1944-03-06

Publications (1)

Publication Number Publication Date
FR942117A true FR942117A (fr) 1949-01-31

Family

ID=9470757

Family Applications (1)

Application Number Title Priority Date Filing Date
FR942117D Expired FR942117A (fr) 1944-03-06 1944-03-06 Porte-châssis pour appareil de lecture de microfilms

Country Status (1)

Country Link
FR (1) FR942117A (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE867758C (de) * 1950-07-08 1953-02-19 Optische Werke C A Steinheil S Einrichtung zur Erleichterung des Aufsuchens und Betrachtens bestimmter, auswaehlbarer Stellen von Bildern und Schrifttexten
DE972805C (de) * 1950-10-31 1959-10-01 Tom Gottberg Vorrichtung zum Darstellen von mindestens drei im inneren Zusammenhang miteinander stehenden Bildern auf einer gemeinsamen Bildflaeche unter Verwendung von Projektoren, insbesondere fuer Lehr- und Werbezwecke
US3680952A (en) * 1970-08-03 1972-08-01 Eastman Kodak Co Apparatus for handling image-bearing mediums
US3748032A (en) * 1971-03-23 1973-07-24 Ncr Co Microform viewer indexing means
US3817612A (en) * 1971-12-17 1974-06-18 Agfa Gevaert Ag Microfilm reading apparatus

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE867758C (de) * 1950-07-08 1953-02-19 Optische Werke C A Steinheil S Einrichtung zur Erleichterung des Aufsuchens und Betrachtens bestimmter, auswaehlbarer Stellen von Bildern und Schrifttexten
DE972805C (de) * 1950-10-31 1959-10-01 Tom Gottberg Vorrichtung zum Darstellen von mindestens drei im inneren Zusammenhang miteinander stehenden Bildern auf einer gemeinsamen Bildflaeche unter Verwendung von Projektoren, insbesondere fuer Lehr- und Werbezwecke
US3680952A (en) * 1970-08-03 1972-08-01 Eastman Kodak Co Apparatus for handling image-bearing mediums
US3748032A (en) * 1971-03-23 1973-07-24 Ncr Co Microform viewer indexing means
US3817612A (en) * 1971-12-17 1974-06-18 Agfa Gevaert Ag Microfilm reading apparatus

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