Invention Grant
- Patent Title: Method for controlling a cooling device of a projecting system and the projecting system thereof
- Patent Title (中): 用于控制投影系统的冷却装置及其投影系统的方法
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Application No.: US11723698Application Date: 2007-03-21
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Publication No.: US07878660B2Publication Date: 2011-02-01
- Inventor: Shun-Chieh Yang , Chun-Ming Shen
- Applicant: Shun-Chieh Yang , Chun-Ming Shen
- Applicant Address: TW Taoyuan County
- Assignee: Qisda Corporation
- Current Assignee: Qisda Corporation
- Current Assignee Address: TW Taoyuan County
- Priority: TW95119227A 20060530
- Main IPC: G03B21/16
- IPC: G03B21/16 ; G03B21/18 ; G03B21/00 ; H01J17/28 ; H01J19/74
Abstract:
A method for controlling a cooling device within a projecting system is provided. The cooling device cools the projecting system with a predetermined period after the illumination device of the projecting system is turned off. Then, after the projecting system is restarted, it is detected that whether the illumination device is lighted or not. As the illuminating device is not lighted, the predetermined period is extended.
Public/Granted literature
- US20070279596A1 Method for controlling a cooling device of a projecting system and the projecting system thereof Public/Granted day:2007-12-06
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