Title:
LASER LIGHT SOURCE, LIGHT EMISSION UNIT, AND LIDAR
Document Type and Number:
WIPO Patent Application WO/2022/042078
Kind Code:
A1
Abstract:
A laser light source, a light emission unit (10), and a lidar. The light emission unit (10) is applied to the lidar, and comprises a first light-emitting region (1011) and a second light-emitting region (1012). The first light-emitting region (1011) and the second light-emitting region (1012) have different sizes. The first light-emitting region (1011) and the second light-emitting region (1012) form the same light-emitting channel, and respectively perform detection on targets at different distances, thereby reducing the transmission power of the light emission unit (10).
Inventors:
CHEN JIE (CN)
XIANG SHAOQING (CN)
XIANG SHAOQING (CN)
Application Number:
PCT/CN2021/105549
Publication Date:
March 03, 2022
Filing Date:
July 09, 2021
Export Citation:
Assignee:
HESAI TECHNOLOGY CO LTD (CN)
International Classes:
G01S7/484; G01S17/02; G01S17/931
Foreign References:
| CN111142088A | 2020-05-12 | |||
| CN111487639A | 2020-08-04 | |||
| CN109633683A | 2019-04-16 | |||
| CN212872895U | 2021-04-02 | |||
| CN1677053A | 2005-10-05 | |||
| US7864304B2 | 2011-01-04 |
Attorney, Agent or Firm:
INTEBRIGHT LLP (CN)
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