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Patent Searching and Data


Title:
LASER PROJECTION DEVICE AND PROMPT METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2022/126956
Kind Code:
A1
Abstract:
Provided are a laser projection device and a prompt method therefor. The method comprises: if it is detected that the position of a target object is within any threshold detection range, a laser projection device generating a prompt picture according to a target position, and displaying, on a main picture of a projection screen, a prompt picture that comprises text information for indicating the target position of the target object, and/or image information for indicating a relative position between the target object and the laser projection device, such that a user can keep away from the projection screen in a timely manner under the prompt of the prompt picture, so as to protect the eyes of the user.

Inventors:
TANG TIANTIAN (CN)
LIU XIANRONG (CN)
Application Number:
PCT/CN2021/089277
Publication Date:
June 23, 2022
Filing Date:
April 23, 2021
Export Citation:
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Assignee:
HISENSE LASER DISPLAY CO LTD (CN)
International Classes:
H04N9/31
Foreign References:
CN112616046A2021-04-06
CN105491311A2016-04-13
CN201716417U2011-01-19
CN107864267A2018-03-30
CN108600715A2018-09-28
CN111818316A2020-10-23
CN103700229A2014-04-02
KR20200043108A2020-04-27
Attorney, Agent or Firm:
TDIP & PARTNERS (CN)
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