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
GB3183120A
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Individual
Original Assignee
Individual
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Publication date
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Priority to GB3183120ApriorityCriticalpatent/GB171890A/en
Publication of GB171890ApublicationCriticalpatent/GB171890A/en
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)
GB3183120A1920-11-101920-11-10Improvements in shutters for kinematograph apparatus
ExpiredGB171890A
(en)