Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
October 9, 2007
Patent Application Number
10343478
Date Filed
July 30, 2001
Patent Primary Examiner
Patent abstract
A video camera (10) includes a photographing device (16). The photographing device (16) generates an image signal corresponding to an optical image irradiated on a light-receiving surface, and a monitor (34) displays a moving image based on a generated image signal. An amount of incident light into the photographing device (16) is controlled by an aperture apparatus (14) having an aperture blade that moves to a direction perpendicular to a light axis. A moving amount of the aperture blade is restricted by a predetermined value, and this defines a minimum value of an F number. When the moving image is displayed on the monitor (34), it is prohibited to set to the minimum value of the F number.
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