GB319659A - Improvements in or relating to motion picture films - Google Patents

Improvements in or relating to motion picture films

Info

Publication number
GB319659A
GB319659A GB26052/29A GB2605229A GB319659A GB 319659 A GB319659 A GB 319659A GB 26052/29 A GB26052/29 A GB 26052/29A GB 2605229 A GB2605229 A GB 2605229A GB 319659 A GB319659 A GB 319659A
Authority
GB
United Kingdom
Prior art keywords
relating
motion picture
developed
sensitometer
picture films
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
GB26052/29A
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.)
Electrical Research Products Inc
Original Assignee
Electrical Research Products Inc
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 Electrical Research Products Inc filed Critical Electrical Research Products Inc
Publication of GB319659A publication Critical patent/GB319659A/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
    • G03B31/00—Associated working of cameras or projectors with sound-recording or sound-reproducing means

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
  • Projection-Type Copiers In General (AREA)

Abstract

319,659. Electrical Research Products, Inc., (Assignees of Coffman, J. W.). Sept. 25, 1928, [Convention date]. Drawings to Specification. Printing-meters.-For estimating the degree of contrast to which a kinematograph picture film has been developed, recurrent parts of the film not required for pictorial or like records, for example marginal portions, are exposed to a standard sensitometer tablet. The successive parts of the sensitometer record, which will be developed with the picture and sound records, shade from dark to approximate transparency.
GB26052/29A 1928-09-25 1929-08-27 Improvements in or relating to motion picture films Expired GB319659A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US319659XA 1928-09-25 1928-09-25

Publications (1)

Publication Number Publication Date
GB319659A true GB319659A (en) 1930-11-27

Family

ID=21862365

Family Applications (1)

Application Number Title Priority Date Filing Date
GB26052/29A Expired GB319659A (en) 1928-09-25 1929-08-27 Improvements in or relating to motion picture films

Country Status (1)

Country Link
GB (1) GB319659A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3004467A (en) * 1953-06-09 1961-10-17 Fernseh G M B H Fa Film for use in televising pictures
GB2304932A (en) * 1995-09-06 1997-03-26 Kodak Ltd Determining correct exposure of film for telecines

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3004467A (en) * 1953-06-09 1961-10-17 Fernseh G M B H Fa Film for use in televising pictures
GB2304932A (en) * 1995-09-06 1997-03-26 Kodak Ltd Determining correct exposure of film for telecines

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