LIDAR DEVICE - SOS LAB CO LTD

Title:

LIDAR DEVICE

Document Type and Number:

WIPO Patent Application WO/2019/135494

Kind Code:

A1

Abstract:

The present invention relates to a lidar device for measuring distance using a laser. A lidar device, according to the present invention, comprises: a laser output unit for outputting a laser; a first scanning unit which expands an irradiation area into a line form by acquiring the laser outputted from the laser output unit; a second scanning unit which expands the irradiation area into a plane form by acquiring the laser irradiated from the first scanning unit; and a sensor unit which detects the laser reflected from an object, wherein the first scanning unit may comprise a nodding mirror which nods in a pre-set angle range and expands the irradiation area of the laser to a line form, and the second scanning unit may comprise a rotating polygon mirror which expands the irradiation area of the laser to a plane form by rotating with respect to a single axis.

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Inventors:

JEONG JI SEONG (KR)
JANG JUN HWAN (KR)
KIM DONG KYU (KR)
HWANG SUNG UI (KR)

Application Number:

PCT/KR2018/014923

Publication Date:

July 11, 2019

Filing Date:

November 29, 2018

Export Citation:

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Assignee:

SOS LAB CO LTD (KR)

International Classes:

G01S7/481; G01S17/08; G01S17/88; G02B5/09; G02B7/182; G02B26/08; G02B26/12; G02B27/00

Foreign References:

JP2017150990A	2017-08-31
JP2014020889A	2014-02-03
JP2014032149A	2014-02-20
JPH116973A	1999-01-12
US6317202B1	2001-11-13

Other References: