FR2460495A1 - Dispositif d'amelioration de la qualite de projection d'un film cinemat - Google Patents

Dispositif d'amelioration de la qualite de projection d'un film cinemat Download PDF

Info

Publication number
FR2460495A1
FR2460495A1 FR7916686A FR7916686A FR2460495A1 FR 2460495 A1 FR2460495 A1 FR 2460495A1 FR 7916686 A FR7916686 A FR 7916686A FR 7916686 A FR7916686 A FR 7916686A FR 2460495 A1 FR2460495 A1 FR 2460495A1
Authority
FR
France
Prior art keywords
film
projection
refractive index
corridor
liquid
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.)
Granted
Application number
FR7916686A
Other languages
English (en)
French (fr)
Other versions
FR2460495B3 (enExample
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.)
Camera Group SA
Original Assignee
Camera Group SA
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 Camera Group SA filed Critical Camera Group SA
Priority to FR7916686A priority Critical patent/FR2460495A1/fr
Publication of FR2460495A1 publication Critical patent/FR2460495A1/fr
Application granted granted Critical
Publication of FR2460495B3 publication Critical patent/FR2460495B3/fr
Granted 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
    • G03B1/00—Film strip handling
    • G03B1/42—Guiding, framing, or constraining film in desired position relative to lens system
    • G03B1/48—Gates or pressure devices, e.g. plate
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Overhead Projectors And Projection Screens (AREA)
FR7916686A 1979-06-28 1979-06-28 Dispositif d'amelioration de la qualite de projection d'un film cinemat Granted FR2460495A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7916686A FR2460495A1 (fr) 1979-06-28 1979-06-28 Dispositif d'amelioration de la qualite de projection d'un film cinemat

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7916686A FR2460495A1 (fr) 1979-06-28 1979-06-28 Dispositif d'amelioration de la qualite de projection d'un film cinemat

Publications (2)

Publication Number Publication Date
FR2460495A1 true FR2460495A1 (fr) 1981-01-23
FR2460495B3 FR2460495B3 (enExample) 1982-06-04

Family

ID=9227229

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7916686A Granted FR2460495A1 (fr) 1979-06-28 1979-06-28 Dispositif d'amelioration de la qualite de projection d'un film cinemat

Country Status (1)

Country Link
FR (1) FR2460495A1 (enExample)

Also Published As

Publication number Publication date
FR2460495B3 (enExample) 1982-06-04

Similar Documents

Publication Publication Date Title
US2987955A (en) Apparatus for treating motion picture film
US3115815A (en) Photographic composing device and method
FR2460495A1 (fr) Dispositif d'amelioration de la qualite de projection d'un film cinemat
GB1288464A (enExample)
US3262381A (en) Method and apparatus for improving upon the reproduction of images recorded on a photographic film
US1960373A (en) Art of cinematography
US1451774A (en) Two-color photography
US1169096A (en) Apparatus for developing and finishing cinematograph color-films.
Bjelkhagen Lippmann photography: reviving an early colour process
US3319549A (en) Photographic apparatus for recording, processing, and projecting data with fast access time
CH647604A5 (de) Spiegelreflex-einrichtung.
US3607276A (en) Process for making metal-glossy images and projection using the same
Stott et al. Printing Motion-Picture Films Immersed in a Liquid: Part I: Contact Printing
US1896525A (en) Film processing machine and method
US4223985A (en) Method and apparatus for protecting a film gate against dirt while changing films
DE1572249A1 (de) Einrichtung zum Kopieren von positiven oder negativen Originalfilmen
Max et al. Optical printing in computer animation
US3861791A (en) Film handling cassette employing film cleaning and developing arrangements
Turner et al. Liquid gate for the projection of motion-picture film
AT305032B (de) Kinofilmkasette und Projektor für diese Kasette
Crabtree et al. The lubrication of motion picture film
SU97679A1 (ru) Способ получени серебр ной фонограммы в многослойных цветных фильмокопи х
Turner et al. Part II: Optical Printing
US2548551A (en) Apparatus for inspection of sensitized materials
US1367487A (en) Optical apparatus and method of using the same

Legal Events

Date Code Title Description
TP Transmission of property