FR471082A - Improvements to devices used in cinematographic equipment - Google Patents

Improvements to devices used in cinematographic equipment

Info

Publication number
FR471082A
FR471082A FR471082DA FR471082A FR 471082 A FR471082 A FR 471082A FR 471082D A FR471082D A FR 471082DA FR 471082 A FR471082 A FR 471082A
Authority
FR
France
Prior art keywords
devices used
cinematographic equipment
cinematographic
equipment
devices
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
Paul Melville Pierson
Frederick Wilhelm Hochstetter
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR471082A publication Critical patent/FR471082A/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
    • G03B9/00—Exposure-making shutters; Diaphragms
    • G03B9/08—Shutters
    • G03B9/10—Blade or disc rotating or pivoting about axis normal to its plane

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR471082D 1914-04-17 1914-04-17 Improvements to devices used in cinematographic equipment Expired FR471082A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR471082T 1914-04-17

Publications (1)

Publication Number Publication Date
FR471082A true FR471082A (en) 1914-10-13

Family

ID=1509379

Family Applications (1)

Application Number Title Priority Date Filing Date
FR471082D Expired FR471082A (en) 1914-04-17 1914-04-17 Improvements to devices used in cinematographic equipment

Country Status (1)

Country Link
FR (1) FR471082A (en)

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