FR455280A - Automatic safety device for cinematographs - Google Patents

Automatic safety device for cinematographs

Info

Publication number
FR455280A
FR455280A FR455280DA FR455280A FR 455280 A FR455280 A FR 455280A FR 455280D A FR455280D A FR 455280DA FR 455280 A FR455280 A FR 455280A
Authority
FR
France
Prior art keywords
cinematographs
safety device
automatic safety
automatic
safety
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
Antoine Bataille
Paul Souchon
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
PAUL SOUCHON
Original Assignee
PAUL SOUCHON
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 by PAUL SOUCHON filed Critical PAUL SOUCHON
Application granted granted Critical
Publication of FR455280A publication Critical patent/FR455280A/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
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/14—Details
    • G03B21/18—Fire preventing or extinguishing

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR455280D 1913-03-08 1913-03-08 Automatic safety device for cinematographs Expired FR455280A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR455280T 1913-03-08

Publications (1)

Publication Number Publication Date
FR455280A true FR455280A (en) 1913-07-26

Family

ID=1495178

Family Applications (1)

Application Number Title Priority Date Filing Date
FR455280D Expired FR455280A (en) 1913-03-08 1913-03-08 Automatic safety device for cinematographs

Country Status (1)

Country Link
FR (1) FR455280A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2439691A (en) * 1946-02-25 1948-04-13 Mannon Lloyd Film control for automatic shutter on moving picture projector
US2512030A (en) * 1946-02-25 1950-06-20 Mannon Lloyd Film controlled automatic safety shutter for moving picture projectors

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2439691A (en) * 1946-02-25 1948-04-13 Mannon Lloyd Film control for automatic shutter on moving picture projector
US2512030A (en) * 1946-02-25 1950-06-20 Mannon Lloyd Film controlled automatic safety shutter for moving picture projectors

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