Patent ID: 7628553
Filing Date: 2009-12-08
Classification: G03B

Abstract:
1. An image pickup apparatus comprising: a barrier blade which is movable between a closing position at which the barrier blade closes a light entrance aperture of an image pickup lens and an opening position at which the barrier blade opens the light entrance aperture; a drive member which drives the barrier blade either to the closing position or to the opening position by rotating around an optical axis of the image pickup lens; and a barrier supporting portion provided in the drive member configured to guide the barrier blade either to the closing position or to the opening position, wherein the barrier supporting portion is designed to be located outside the light entrance aperture of the image pickup lens when the barrier supporting portion guides the barrier blade to the opening position and located inside the light entrance aperture of the image pickup lens when the barrier supporting portion guides the barrier blade to the closing position thereby limiting the movement of the barrier blade toward a lens surface side of the image pickup apparatus when the barrier blade is in the closing position.