FR646903A - Appareil de projection - Google Patents

Appareil de projection

Info

Publication number
FR646903A
FR646903A FR646903DA FR646903A FR 646903 A FR646903 A FR 646903A FR 646903D A FR646903D A FR 646903DA FR 646903 A FR646903 A FR 646903A
Authority
FR
France
Prior art keywords
projection device
projection
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
Jean-Marie-Augustin Chevassus
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 FR646903A publication Critical patent/FR646903A/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
    • G03B23/12—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)
FR646903D 1928-01-09 1928-01-09 Appareil de projection Expired FR646903A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR646903T 1928-01-09

Publications (1)

Publication Number Publication Date
FR646903A true FR646903A (fr) 1928-11-17

Family

ID=9001737

Family Applications (1)

Application Number Title Priority Date Filing Date
FR646903D Expired FR646903A (fr) 1928-01-09 1928-01-09 Appareil de projection

Country Status (1)

Country Link
FR (1) FR646903A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2438333A (en) * 1945-08-20 1948-03-23 Joseph E Dickman Motion-picture projector adapter for showing still pictures
US4432619A (en) * 1981-02-24 1984-02-21 Topper Manufacturing Corporation Compact collapsible microform viewer

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2438333A (en) * 1945-08-20 1948-03-23 Joseph E Dickman Motion-picture projector adapter for showing still pictures
US4432619A (en) * 1981-02-24 1984-02-21 Topper Manufacturing Corporation Compact collapsible microform viewer

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