| 摘要 |
<p>PURPOSE: To prevent image blurring due to a camera shake without using a correcting lens by constituting a camera so that a shutter can be operated when an angular velocity applied to the camera is equal to or below a prescribed value and also the angular velocity has a reducing tendency. CONSTITUTION: The outputs of angular acceleration detecting means 12a and 12b for detecting the angular acceleration in two orthogonal directions, that is, the horizontal and vertical directions of the optical axis of a lens are integrated by integration circuits 14a and 14b so as to be converted into the angular velocity, then, inputted to comparators 16a and 16b through absolute value circuits 15a and 15b. In the case the output level of the absolute value circuit is lower than a prescribed voltage value, a high-level voltage is outputted by the comparators 16a and 16b. On the other hand, a high-level voltage is outputted by a shutter operable state detection circuit 18 constituted of an exposure calculation circuit and an AF driving circuit, etc., when the shutter is made in an operable state, and a shutter driving circuit 21 is operated by an AND circuit 20 when levels of both outputs by the comparators 16a and 16b and by the shutter operable state detection circuit 18 become high.</p> |
