FR545867A - Improvements to devices for the observation of stereoscopic views - Google Patents

Improvements to devices for the observation of stereoscopic views

Info

Publication number
FR545867A
FR545867A FR545867DA FR545867A FR 545867 A FR545867 A FR 545867A FR 545867D A FR545867D A FR 545867DA FR 545867 A FR545867 A FR 545867A
Authority
FR
France
Prior art keywords
observation
devices
stereoscopic views
stereoscopic
views
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
French (fr)
Inventor
Maurice Perriot
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 FR545867A publication Critical patent/FR545867A/en
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
    • G03B23/02—Devices for changing pictures in viewing apparatus or projectors in which a picture is removed from a stock and returned to the same stock or another one; Magazines therefor
    • G03B23/04—Devices for changing pictures in viewing apparatus or projectors in which a picture is removed from a stock and returned to the same stock or another one; Magazines therefor with linear movement
    • G03B23/046—Picture changing devices

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR545867D 1921-06-20 1921-06-20 Improvements to devices for the observation of stereoscopic views Expired FR545867A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR545867T 1921-06-20

Publications (1)

Publication Number Publication Date
FR545867A true FR545867A (en) 1922-10-23

Family

ID=8933230

Family Applications (1)

Application Number Title Priority Date Filing Date
FR545867D Expired FR545867A (en) 1921-06-20 1921-06-20 Improvements to devices for the observation of stereoscopic views

Country Status (1)

Country Link
FR (1) FR545867A (en)

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