| 摘要 |
PURPOSE: A camera iris driving gear is provided to easily control the sensitivity of images and reduce the unit cost by reducing the number of components and accomplish the compaction of the whole product. CONSTITUTION: A camera iris driving gear comprises; a through hole (81) on the front; a focusing barrel (40) which has a space part (41); a rear barrel (70) which is attached to the rear of a focusing barrel (40) and sets an image pickup element (71) on the inside; many lenses which are located between a front and a rear barrel and spot images to an image pickup element (71); a bobbin with a built-in lenses which slides along a space part of a front barrel; an iris (80) which lies between a focusing barrel (40) and a rear barrel (70) and controls the sensitivity of images; an iris transferring means which lies between a focusing barrel (40) and a rear barrel (70) and slides an iris (80) up and down by electromagnetic force. |
