Title:
METHOD AND DEVICE USED IN PROJECTION APPARATUS
Document Type and Number:
WIPO Patent Application WO/2018/099128
Kind Code:
A1
Abstract:
A method used in a projection apparatus, comprising: obtaining first display interface information; obtaining a distance between a projection apparatus and a display interface; and determining a first focal length according to the distance and the first display interface information, and adjusting the focal length of a lens in the projection apparatus to the first focal length.
Inventors:
TIAN YUNYUN (CN)
Application Number:
PCT/CN2017/096563
Publication Date:
June 07, 2018
Filing Date:
August 09, 2017
Export Citation:
Assignee:
XIAN ZHONGXING NEW SOFTWARE CO LTD (CN)
International Classes:
H04N9/31; G03B21/53
Foreign References:
| CN103179363A | 2013-06-26 | |||
| CN105824180A | 2016-08-03 | |||
| CN103782232A | 2014-05-07 | |||
| CN106154721A | 2016-11-23 | |||
| US20040130685A1 | 2004-07-08 |
Attorney, Agent or Firm:
AFD CHINA INTELLECTUAL PROPERTY LAW OFFICE (CN)
Download PDF: