Title:
LASER PROJECTION MODULE, DEPTH CAMERA AND ELECTRONIC DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/223451
Kind Code:
A1
Abstract:
A laser projection module (10) and a depth camera (100) comprising same, and an electronic device (1000). The laser projection module (10) comprises a substrate assembly (11), a lens barrel (12), a diffractive optical element (15), a protective cover (16) and a detection assembly (70). The lens barrel (12) is arranged on the substrate assembly (11), the diffractive optical element (15) is arranged in the lens barrel (12), the protective cover (16) is combined with the lens barrel (12) and blocks the diffractive optical element (15), and the detection assembly (70) is used for detecting whether the protective cover (16) is dropped from the lens barrel (12).
Inventors:
ZHANG XUEYONG (CN)
LYU XIANGNAN (CN)
LYU XIANGNAN (CN)
Application Number:
PCT/CN2019/082698
Publication Date:
November 28, 2019
Filing Date:
April 15, 2019
Export Citation:
Assignee:
GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP LTD (CN)
International Classes:
G02B7/00; G01B11/22; G02B27/42; H04M1/02
Foreign References:
| CN108983432A | 2018-12-11 | |||
| CN108845428A | 2018-11-20 | |||
| CN108924295A | 2018-11-30 | |||
| CN108548498A | 2018-09-18 | |||
| CN107870186A | 2018-04-03 | |||
| CN207382424U | 2018-05-18 | |||
| CN107608167A | 2018-01-19 | |||
| CN105502141A | 2016-04-20 |
Attorney, Agent or Firm:
TSINGYIHUA INTELLECTUAL PROPERTY LLC (CN)
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