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.)
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 filedfiledCritical
Priority to JP1974146572UpriorityCriticalpatent/JPS5638497Y2/ja
Priority to US05/636,727prioritypatent/US4092657A/en
Priority to GB49256/75Aprioritypatent/GB1506769A/en
Priority to DE2554452Aprioritypatent/DE2554452C3/de
Publication of JPS5172036UpublicationCriticalpatent/JPS5172036U/ja
Application grantedgrantedCritical
Publication of JPS5638497Y2publicationCriticalpatent/JPS5638497Y2/ja
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