CH566019A5CH137674ACH137674ACH566019A5CH 566019 A5CH566019 A5CH 566019A5CH 137674 ACH137674 ACH 137674ACH 137674 ACH137674 ACH 137674ACH 566019 A5CH566019 A5CH 566019A5
Authority
CH
Switzerland
Application number
CH137674A
Original Assignee
Elmo Co Ltd
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 Elmo Co LtdfiledCriticalElmo Co Ltd
Publication of CH566019A5publicationCriticalpatent/CH566019A5/xx
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