FR629223A - Appareil de projection - Google Patents

Appareil de projection

Info

Publication number
FR629223A
FR629223A FR629223DA FR629223A FR 629223 A FR629223 A FR 629223A FR 629223D A FR629223D A FR 629223DA FR 629223 A FR629223 A FR 629223A
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
Alfred Hedley Harrison
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 FR629223A publication Critical patent/FR629223A/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)
FR629223D 1926-09-25 1927-02-17 Appareil de projection Expired FR629223A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB629223X 1926-09-25

Publications (1)

Publication Number Publication Date
FR629223A true FR629223A (fr) 1927-11-07

Family

ID=10488627

Family Applications (1)

Application Number Title Priority Date Filing Date
FR629223D Expired FR629223A (fr) 1926-09-25 1927-02-17 Appareil de projection

Country Status (1)

Country Link
FR (1) FR629223A (fr)

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