Title:
DEVICE AND METHOD FOR ADJUSTING PROJECTED IMAGE
Document Type and Number:
WIPO Patent Application WO/2019/179080
Kind Code:
A1
Abstract:
Disclosed are a device and method for adjusting a projected image. The device for adjusting a projected image comprises: a projection lens used to project an image; multiple projected light determination units provided at respective top corners of a specified projection region, the multiple projected light determination units being used to receive ambient light and projected light and to generate and transmit control information on the basis of types of received light; and a control unit sequentially receiving the control information transmitted by the respective projected light determination units and adjusting the projection lens according to the control information. The present invention employs a light sensing apparatus to realize automatic adjustment and correction of a projected image, thereby shortening a time period required for adjusting an area and a position of a projected image, and increasing adjustment precision.
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Inventors:
ZHU HONGLIANG (CN)
HAN YUNQI (CN)
XIE SONGTING (CN)
LI YI (CN)
HAN YUNQI (CN)
XIE SONGTING (CN)
LI YI (CN)
Application Number:
PCT/CN2018/110328
Publication Date:
September 26, 2019
Filing Date:
October 16, 2018
Export Citation:
Assignee:
APPOTRONICS CORP LTD (CN)
International Classes:
H04N9/31; G01J1/18; G03B21/00; H04N5/74
Domestic Patent References:
| WO2007017521A1 | 2007-02-15 |
Foreign References:
| CN101500172A | 2009-08-05 | |||
| US20090027305A1 | 2009-01-29 | |||
| KR20060042443A | 2006-05-15 |
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