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LASERPROJEKTIONSMODUL, TIEFENKAMERA UND ELEKTRONISCHE VORRICHTUNG

Patentnummer:EP3540371B1
IPC Hauptklasse:G01B11/25
Anmelder:GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP LTD (1)
OPPO广东移动通信有限公司 (1)
Erfinder:ZHOU QI-QUN (1)
ZHOU QIQUN (1)
Anmeldung:12.03.19
Patenterteilung:10.11.21
Einspruch bis:10.08.22

Abstract / Hauptanspruch
A laser projection module, a depth camera and an electronic device are provided. The laser projection module includes a laser emitter configured to emit laser; a reflection element arranged in a laser emission direction of the laser emitter and configured to reflect the laser emitted from the laser emitter; a diffractive optical element arranged in a light exiting direction of the reflection element and configured to diffract the laser reflected by the reflection element; and an optical detector arranged between the laser emitter and the reflection element, and configured to receive the laser and detect an intensity of a non-zero order beam of the laser.


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