OPTICAL ADJUSTING APPARATUS

摘要

PROBLEM TO BE SOLVED: To provide an optical adjusting apparatus used in a video and audio reproducing system to adjust the focal length of a lens within the video and audio reproducing system to vary the size of video and also form video with high definition to improve the quality of the video. SOLUTION: The optical adjusting apparatus is applied to the video and audio system forming video through a lens set including at least one lens and includes a controller generating an adjusting signal and a moving device which is connected to the controller and lens set to adjust the position of the lens according to the adjusting signal to adjust the focal length and focus position of the lens set. COPYRIGHT: (C)2006,JPO&NCIPI