GB177894A - An improved shutter for kinematograph projectors - Google Patents

An improved shutter for kinematograph projectors

Info

Publication number
GB177894A
GB177894A GB206221A GB206221A GB177894A GB 177894 A GB177894 A GB 177894A GB 206221 A GB206221 A GB 206221A GB 206221 A GB206221 A GB 206221A GB 177894 A GB177894 A GB 177894A
Authority
GB
United Kingdom
Prior art keywords
improved shutter
kinematograph projectors
kinematograph
projectors
shutter
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
GB206221A
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.)
WALTER EDWIN LEWIS
Original Assignee
WALTER EDWIN LEWIS
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 WALTER EDWIN LEWIS filed Critical WALTER EDWIN LEWIS
Priority to GB206221A priority Critical patent/GB177894A/en
Publication of GB177894A publication Critical patent/GB177894A/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
    • G03B9/00—Exposure-making shutters; Diaphragms
    • G03B9/08—Shutters
    • G03B9/10—Blade or disc rotating or pivoting about axis normal to its plane

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
GB206221A 1921-01-14 1921-01-14 An improved shutter for kinematograph projectors Expired GB177894A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB206221A GB177894A (en) 1921-01-14 1921-01-14 An improved shutter for kinematograph projectors

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB206221A GB177894A (en) 1921-01-14 1921-01-14 An improved shutter for kinematograph projectors

Publications (1)

Publication Number Publication Date
GB177894A true GB177894A (en) 1922-04-13

Family

ID=9732921

Family Applications (1)

Application Number Title Priority Date Filing Date
GB206221A Expired GB177894A (en) 1921-01-14 1921-01-14 An improved shutter for kinematograph projectors

Country Status (1)

Country Link
GB (1) GB177894A (en)

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