FR568737A - Device for the protection of cinematographic films and others - Google Patents

Device for the protection of cinematographic films and others

Info

Publication number
FR568737A
FR568737A FR568737DA FR568737A FR 568737 A FR568737 A FR 568737A FR 568737D A FR568737D A FR 568737DA FR 568737 A FR568737 A FR 568737A
Authority
FR
France
Prior art keywords
protection
cinematographic films
cinematographic
films
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
Lee De Forest
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 FR568737A publication Critical patent/FR568737A/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
    • G03B15/00—Special procedures for taking photographs; Apparatus therefor
    • G03B15/08—Trick photography

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR568737D 1922-11-18 1923-07-17 Device for the protection of cinematographic films and others Expired FR568737A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US568737XA 1922-11-18 1922-11-18

Publications (1)

Publication Number Publication Date
FR568737A true FR568737A (en) 1924-03-31

Family

ID=22007085

Family Applications (1)

Application Number Title Priority Date Filing Date
FR568737D Expired FR568737A (en) 1922-11-18 1923-07-17 Device for the protection of cinematographic films and others

Country Status (1)

Country Link
FR (1) FR568737A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE955363C (en) * 1953-10-17 1957-01-03 Tefi Appbau Dr Daniel K G Endless tape-shaped sound carrier rolled up into a roll
DE1103609B (en) * 1954-01-18 1961-03-30 Standard App Fabrik G M B H Endless tape-shaped magnetogram carrier wound into a roll and device for its production

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE955363C (en) * 1953-10-17 1957-01-03 Tefi Appbau Dr Daniel K G Endless tape-shaped sound carrier rolled up into a roll
DE1103609B (en) * 1954-01-18 1961-03-30 Standard App Fabrik G M B H Endless tape-shaped magnetogram carrier wound into a roll and device for its production

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