Colecciones nacionales e internacionales de patentes

1. (WO2018099128) METHOD AND DEVICE USED IN PROJECTION APPARATUS

Pub. No.:    WO/2018/099128    International Application No.:    PCT/CN2017/096563
Publication Date: Fri Jun 08 01:59:59 CEST 2018 International Filing Date: Thu Aug 10 01:59:59 CEST 2017
IPC: H04N 9/31
G03B 21/53
Applicants: XI'AN ZHONGXING NEW SOFTWARE CO. LTD.
西安中兴新软件有限责任公司
Inventors: TIAN, Yunyun
田云云
Title: METHOD AND DEVICE USED IN PROJECTION APPARATUS
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.