FR7639E - Device for centering images in cinematographic projection devices - Google Patents

Device for centering images in cinematographic projection devices

Info

Publication number
FR7639E
FR7639E FR7639DA FR7639E FR 7639 E FR7639 E FR 7639E FR 7639D A FR7639D A FR 7639DA FR 7639 E FR7639 E FR 7639E
Authority
FR
France
Prior art keywords
projection devices
cinematographic projection
centering
images
centering images
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)
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.)
CIE GENERALE DE PHONOGRAPHES
Original Assignee
CIE GENERALE DE PHONOGRAPHES
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 CIE GENERALE DE PHONOGRAPHES filed Critical CIE GENERALE DE PHONOGRAPHES
Application granted granted Critical
Publication of FR7639E publication Critical patent/FR7639E/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
    • G03B21/32—Details specially adapted for motion-picture projection
    • G03B21/43—Driving mechanisms
    • G03B21/44—Mechanisms transmitting motion to film-strip feed; Mechanical linking of shutter and intermittent feed
    • G03B21/46—Mechanisms transmitting motion to film-strip feed; Mechanical linking of shutter and intermittent feed affording adjustment for framing

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR7639D 1906-07-28 1907-04-25 Device for centering images in cinematographic projection devices Expired FR7639E (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR368484T 1906-07-28
FR7639T 1907-04-25

Publications (1)

Publication Number Publication Date
FR7639E true FR7639E (en) 1907-09-17

Family

ID=1350416

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7639D Expired FR7639E (en) 1906-07-28 1907-04-25 Device for centering images in cinematographic projection devices

Country Status (1)

Country Link
FR (1) FR7639E (en)

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