US 11,867,816 B2
Laser gas detector and laser gas detection system
Kai Sun, Shanghai (CN); Jun Tao, Shanghai (CN); and Shaoqing Xiang, Shanghai (CN)
Assigned to Hesai Technology Co., Ltd., Shanghai (CN)
Filed by Hesai Technology Co., Ltd., Shanghai (CN)
Filed on Jun. 22, 2021, as Appl. No. 17/354,880.
Application 17/354,880 is a continuation of application No. 17/354,789, filed on Jun. 22, 2021.
Application 17/354,789 is a continuation in part of application No. 17/268,122, previously published as PCT/CN2019/100307, filed on Aug. 13, 2019.
Claims priority of application No. 201810936525.4 (CN), filed on Aug. 16, 2018; and application No. 202110178920.2 (CN), filed on Feb. 9, 2021.
Prior Publication US 2021/0318236 A1, Oct. 14, 2021
This patent is subject to a terminal disclaimer.
Int. Cl. G01S 17/88 (2006.01); G01M 3/38 (2006.01); G01N 21/01 (2006.01); G06T 7/73 (2017.01); G01S 17/04 (2020.01); G01N 21/25 (2006.01); G01N 21/39 (2006.01); G01S 7/48 (2006.01); G01S 17/42 (2006.01); G08B 21/16 (2006.01); H04Q 9/00 (2006.01); G06F 18/40 (2023.01); G06V 20/52 (2022.01); G01N 21/17 (2006.01); G06V 10/10 (2022.01); G06V 20/17 (2022.01)
CPC G01S 17/88 (2013.01) [G01M 3/38 (2013.01); G01N 21/01 (2013.01); G01N 21/255 (2013.01); G01N 21/39 (2013.01); G01S 7/4802 (2013.01); G01S 17/04 (2020.01); G01S 17/42 (2013.01); G06F 18/40 (2023.01); G06T 7/73 (2017.01); G06V 20/52 (2022.01); G08B 21/16 (2013.01); H04Q 9/00 (2013.01); G01N 2021/0131 (2013.01); G01N 2021/1795 (2013.01); G06V 10/17 (2022.01); G06V 20/17 (2022.01); H04Q 2209/50 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A laser gas detector, comprising:
an emitter configured to emit a detection laser beam;
a receiver configured to receive an echo signal of the detection laser beam and analyse the echo signal to determine a gas concentration parameter of a detection path along which the detection laser beam travels; and
a communication interface configured to:
establish a communication connection to a near-eye display device;
transmit the gas concentration parameter to the near-eye display device for the near-eye display device to project the gas concentration parameter to a field of view of a wearer of the near-eye display device; and
transmit directional information corresponding to the detection path, so that the near-eye display device combines and projects the gas concentration parameter and the directional information corresponding to the detection path to the field of view of the wearer of the near-eye display device.