GB191308581A - Improvements in or relating to Cinematograph-film Inspection or Home Projection Apparatus. - Google Patents

Improvements in or relating to Cinematograph-film Inspection or Home Projection Apparatus.

Info

Publication number
GB191308581A
GB191308581A GB191308581DA GB191308581A GB 191308581 A GB191308581 A GB 191308581A GB 191308581D A GB191308581D A GB 191308581DA GB 191308581 A GB191308581 A GB 191308581A
Authority
GB
United Kingdom
Prior art keywords
cinematograph
relating
film
projection apparatus
film inspection
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
Inventor
Arthur John Bohringer
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 GB191308581A publication Critical patent/GB191308581A/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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)

Abstract

8581. Bohringer, A. J. April 11. Kinematograph apparatus.-A kinematograph for film inspection and home projection has a screen F' and optical system C<2> carried by a masking-plate E hinged to the guide or back-plate D. This back-plate has an extended portion D<6> which acts as a support for the film while it is being repaired. The mask G' is adjusted simultaneously with the lens and screen. A feed-measuring counter is driven from the film-feeding means, which is of the pawl type.
GB191308581D 1913-04-11 1913-04-11 Improvements in or relating to Cinematograph-film Inspection or Home Projection Apparatus. Expired GB191308581A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB191308581T 1913-04-11

Publications (1)

Publication Number Publication Date
GB191308581A true GB191308581A (en) 1914-04-09

Family

ID=32370375

Family Applications (1)

Application Number Title Priority Date Filing Date
GB191308581D Expired GB191308581A (en) 1913-04-11 1913-04-11 Improvements in or relating to Cinematograph-film Inspection or Home Projection Apparatus.

Country Status (1)

Country Link
GB (1) GB191308581A (en)

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