Title:
OPTICAL DEVICE, AND VEHICLE-MOUNTED SYSTEM AND MOVING DEVICE PROVIDED WITH SAME
Document Type and Number:
WIPO Patent Application WO/2021/010383
Kind Code:
A1
Abstract:
An optical device 1 is provided with a deflecting unit 30 which deflects an illuminating light beam from a light source 11 to scan an object 100, and deflects a reflected light beam from the object 100, a light guide unit 20 which guides the illuminating light beam from the light source 11 to the deflecting unit 30, and guides the reflected light beam from the deflecting unit 30 to a light receiving element 53, and an optical system 40 which includes a plurality of lens surfaces, guides the reflected light beam from the deflecting unit 30 to the object 100, and guides the reflected light beam from the object 100 to the deflecting unit 30, wherein the normal line and the illuminating light beam at the point of incidence of the illuminating light beam on each of the plurality of lens surfaces are mutually nonparallel.
Inventors:
NAKANO MASATSUGU (JP)
Application Number:
PCT/JP2020/027285
Publication Date:
January 21, 2021
Filing Date:
July 13, 2020
Export Citation:
Assignee:
CANON KK (JP)
International Classes:
G01S7/481; G01C3/06; G01S17/931; G02B13/00; G02B13/14; G02B26/10
Foreign References:
| JP2013210379A | 2013-10-10 | |||
| US20170322075A1 | 2017-11-09 | |||
| JP2008076557A | 2008-04-03 | |||
| JPH09274134A | 1997-10-21 | |||
| US20090201486A1 | 2009-08-13 | |||
| JP2016102738A | 2016-06-02 | |||
| JP2019131060A | 2019-08-08 | |||
| JP2020012904A | 2020-01-23 |
Other References:
See also references of EP 3978950A4
Attorney, Agent or Firm:
OKABE Yuzuru et al. (JP)
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