FR402322A - Security cinematographic device - Google Patents

Security cinematographic device

Info

Publication number
FR402322A
FR402322A FR402322DA FR402322A FR 402322 A FR402322 A FR 402322A FR 402322D A FR402322D A FR 402322DA FR 402322 A FR402322 A FR 402322A
Authority
FR
France
Prior art keywords
security
cinematographic
cinematographic device
security cinematographic
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
Edmond Laussedat
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.)
EDMOND LAUSSEDAT
Original Assignee
EDMOND LAUSSEDAT
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 EDMOND LAUSSEDAT filed Critical EDMOND LAUSSEDAT
Application granted granted Critical
Publication of FR402322A publication Critical patent/FR402322A/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)
FR402322D 1909-04-23 1909-04-23 Security cinematographic device Expired FR402322A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR402322T 1909-04-23

Publications (1)

Publication Number Publication Date
FR402322A true FR402322A (en) 1909-10-05

Family

ID=1447055

Family Applications (1)

Application Number Title Priority Date Filing Date
FR402322D Expired FR402322A (en) 1909-04-23 1909-04-23 Security cinematographic device

Country Status (1)

Country Link
FR (1) FR402322A (en)

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