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Title:
LASER PROJECTION MODULE AND DETECTION METHOD FOR ITS CRACKING, DEPTH CAMERA AND ELECTRONIC DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/165885
Kind Code:
A1
Abstract:
A laser projection module (100) and a detection method for its cracking, a depth camera (1000) and an electronic device (3000). The laser projection module (100) comprises a laser emitter (10) and an optical module (80). The laser emitter (10) is used to emit laser; and the laser forms a laser pattern after passing through the optical module (80).

Inventors:
BAI JIAN (CN)
LYU JIE (CN)
ZHANG XUEYONG (CN)
Application Number:
PCT/CN2019/074610
Publication Date:
September 06, 2019
Filing Date:
February 02, 2019
Export Citation:
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Assignee:
GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP LTD (CN)
International Classes:
G03B15/02
Foreign References:
CN108196418A2018-06-22
CN108375864A2018-08-07
CN108388064A2018-08-10
CN108594563A2018-09-28
CN107608167A2018-01-19
CN107102506A2017-08-29
CN107515503A2017-12-26
CN105890511A2016-08-24
US20040027564A12004-02-12
Other References:
See also references of EP 3561590A4
Attorney, Agent or Firm:
TSINGYIHUA INTELLECTUAL PROPERTY LLC (CN)
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