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FR559456A - Electro-magnetic drive device - Google Patents

Electro-magnetic drive device

Info

Publication number
FR559456A
FR559456A FR559456DA FR559456A FR 559456 A FR559456 A FR 559456A FR 559456D A FR559456D A FR 559456DA FR 559456 A FR559456 A FR 559456A
Authority
FR
France
Prior art keywords
electro
drive device
magnetic drive
magnetic
drive
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
Pierre Bafour
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 FR559456A publication Critical patent/FR559456A/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
    • G03B1/00—Film strip handling
    • G03B1/18—Moving film strip by means which act on the film between the ends thereof

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR559456D 1922-12-05 1922-12-05 Electro-magnetic drive device Expired FR559456A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR559456T 1922-12-05

Publications (1)

Publication Number Publication Date
FR559456A true FR559456A (en) 1923-09-15

Family

ID=8942245

Family Applications (1)

Application Number Title Priority Date Filing Date
FR559456D Expired FR559456A (en) 1922-12-05 1922-12-05 Electro-magnetic drive device

Country Status (1)

Country Link
FR (1) FR559456A (en)

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