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Patent Searching and Data


Title:
LIDAR DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/002401
Kind Code:
A1
Abstract:
A lidar device comprises a light projection unit, an optical window, and a heater wire (23). The light projection unit is configured to project light scanned along a predetermined scanning direction. The optical window is provided at an opening of a housing accommodating the light projection unit and is capable of transmitting beams of light projected by the light projection unit. The heater wire is configured to heat the optical window. Furthermore, the heater wire has at least one portion (25) disposed at the same distance from and in parallel with each of two adjacent beam centerlines among a plurality of beam centerlines (73). The plurality of beam centerlines are respectively lines being along the scanning direction and passing through the center points of a plurality of beam passing regions (71) of the optical window, which are regions the beams pass through.

Inventors:
YAMAMOTO MASAHIRO (JP)
Application Number:
PCT/JP2020/025889
Publication Date:
January 07, 2021
Filing Date:
July 01, 2020
Export Citation:
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Assignee:
DENSO CORP (JP)
International Classes:
G01S7/481
Foreign References:
JP2006194639A2006-07-27
JP2007108009A2007-04-26
Attorney, Agent or Firm:
NAGOYA INTERNATIONAL PATENT FIRM (JP)
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