GB177965A - Improvements in or relating to kinematograph projection apparatus - Google Patents

Improvements in or relating to kinematograph projection apparatus

Info

Publication number
GB177965A
GB177965A GB693621A GB693621A GB177965A GB 177965 A GB177965 A GB 177965A GB 693621 A GB693621 A GB 693621A GB 693621 A GB693621 A GB 693621A GB 177965 A GB177965 A GB 177965A
Authority
GB
United Kingdom
Prior art keywords
relating
projection apparatus
kinematograph
kinematograph projection
projection
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
GB693621A
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.)
FREDERICK WILLIAM WOODWARD
Original Assignee
FREDERICK WILLIAM WOODWARD
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 FREDERICK WILLIAM WOODWARD filed Critical FREDERICK WILLIAM WOODWARD
Priority to GB693621A priority Critical patent/GB177965A/en
Publication of GB177965A publication Critical patent/GB177965A/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS 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
    • G03B9/00Exposure-making shutters; Diaphragms
    • G03B9/08Shutters
    • G03B9/10Blade or disc rotating or pivoting about axis normal to its plane

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
GB693621A 1921-03-03 1921-03-03 Improvements in or relating to kinematograph projection apparatus Expired GB177965A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB693621A GB177965A (en) 1921-03-03 1921-03-03 Improvements in or relating to kinematograph projection apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB693621A GB177965A (en) 1921-03-03 1921-03-03 Improvements in or relating to kinematograph projection apparatus

Publications (1)

Publication Number Publication Date
GB177965A true GB177965A (en) 1922-04-13

Family

ID=9823541

Family Applications (1)

Application Number Title Priority Date Filing Date
GB693621A Expired GB177965A (en) 1921-03-03 1921-03-03 Improvements in or relating to kinematograph projection apparatus

Country Status (1)

Country Link
GB (1) GB177965A (en)

Similar Documents

Publication Publication Date Title
GB182311A (en) Improvements in or relating to screens for use with optical-projection apparatus
GB177965A (en) Improvements in or relating to kinematograph projection apparatus
GB185395A (en) Improvements in or relating to optical projection apparatus
GB191242A (en) Improvements in and relating to kinematographic apparatus
GB185188A (en) Improvements in or relating to motion-picture apparatus
GB178290A (en) Improvements in refractometers
GB184270A (en) Improvements in or relating to kinematographic apparatus
GB186365A (en) Improvements in or relating to kinematographic apparatus
GB179648A (en) Improvements in or relating to kinematographic apparatus
GB184258A (en) Improvements in or relating to kinematographic apparatus
GB177789A (en) Improvements in or relating to cinematographic apparatus
GB189282A (en) Improvements in or relating to kinematograph apparatus
GB174592A (en) Improvements in or relating to kinematographic projection apparatus
GB177916A (en) Improvements in or relating to kinematograph projectors
GB180979A (en) Improvements in and relating to kinematograph projection apparatus
GB188111A (en) Improvements in or relating to kinematograph screens
GB177963A (en) Improvements in and relating to kinematographic apparatus
GB157885A (en) Improvements in or relating to kinematographic apparatus
GB158526A (en) Improvements relating to kinematograph projection apparatus
GB181782A (en) Improvements in or relating to projection screens
GB166304A (en) Improvements in or relating to optical projection apparatus
GB183680A (en) Improvements in or relating to cinematograph machines
AU433921A (en) Improvements in or relating to radio-telephonic apparatus
GB193108A (en) Improvements in and relating to optical projection apparatus
GB192104A (en) Improvements in or relating to means for obtaining kinematograph pictures