US 12,241,999 B2
2D scanning high precision LiDAR using combination of rotating concave mirror and beam steering devices
Junwei Bao, Los Altos, CA (US); Yimin Li, Los Altos, CA (US); and Rui Zhang, Los Altos, CA (US)
Assigned to Seyond, Inc., Sunnyvale, CA (US)
Filed by Innovusion Ireland Limited, Los Altos, CA (US)
Filed on Feb. 5, 2021, as Appl. No. 17/169,366.
Application 17/169,366 is a division of application No. 15/721,127, filed on Sep. 29, 2017, granted, now 10,942,257.
Claims priority of provisional application 62/529,955, filed on Jul. 7, 2017.
Claims priority of provisional application 62/441,280, filed on Dec. 31, 2016.
Prior Publication US 2021/0156966 A1, May 27, 2021
Int. Cl. G01S 7/481 (2006.01); G01S 17/10 (2020.01); G01S 17/42 (2006.01); G01S 17/88 (2006.01); G01S 17/931 (2020.01); G02B 19/00 (2006.01); G02B 26/12 (2006.01)
CPC G01S 7/4812 (2013.01) [G01S 7/4816 (2013.01); G01S 7/4817 (2013.01); G01S 17/10 (2013.01); G01S 17/42 (2013.01); G01S 17/88 (2013.01); G01S 17/931 (2020.01); G02B 19/0028 (2013.01); G02B 19/0076 (2013.01); G02B 26/12 (2013.01); G02B 26/124 (2013.01); G02B 26/125 (2013.01); G02B 26/126 (2013.01)] 35 Claims
OG exemplary drawing
 
1. A light detection and ranging (LiDAR) scanning system, comprising:
a first light source configured to provide one or more first light pulses;
one or more beam steering apparatuses optically coupled to the first light source, each beam steering apparatus comprising an oscillation mirror and a light beam steering device,
wherein the combination of the light beam steering device and the oscillation mirror, when moving with respect to each other, is configured to:
steer the one or more first light pulses both vertically and horizontally to illuminate an object within a field-of-view, wherein the light beam steering device is configured to steer the one or more first light pulses in either a horizontal or vertical direction, and the oscillation mirror is configured to steer the one or more first light pulses in the other direction,
obtain one or more first returning light pulses, the one or more first returning light pulses being generated based on the steered first light pulses illuminating an object within the field-of-view, and
redirect the one or more first returning light pulses to one or more receiving optical systems disposed in the LiDAR scanning system,
and wherein the oscillation mirror is configured to oscillate between two end vertical positions to obtain multiple scanlines in-between.