发明申请
- 专利标题： PICTURE CORRECTION SYSTEMS AND METHODS
- 专利标题（中）： 图像校正系统和方法
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申请号： US12400094申请日： 2009-03-09
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公开(公告)号： US20090262310A1公开(公告)日： 2009-10-22
- 发明人: Chang-Jung Wen , Jung-Chi Chen , Chih-Hui Chang
- 申请人： Chang-Jung Wen , Jung-Chi Chen , Chih-Hui Chang
- 申请人地址： TW Hsin-Chu
- 专利权人： CORETRONIC CORPORATION
- 当前专利权人： CORETRONIC CORPORATION
- 当前专利权人地址： TW Hsin-Chu
- 优先权： TW97114614 20080422
- 主分类号： G03B21/14
- IPC分类号： G03B21/14
摘要：
A picture correction systems and a method are provided. The system includes a circular variable resistance unit and a control unit. The circular variable resistance unit includes at least two circular resistance coils and a control stick. One of the circular resistance coils receives a voltage. The control stick is disposed on the inner rims of the circular resistance coils to be electrically connected with the circular resistance coils. The control stick rolls along the inner rims of the circular resistance coils. The circular variable resistance unit generates a loop voltage according to a position of the control stick being located at the inner rims of the circular resistance coils. The control unit receives the loop voltage, and performs a picture correction for a projector according to the loop voltage.
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