Title:
LENS DEVICE, IMAGING DEVICE, AND ON-BOARD SYSTEM
Document Type and Number:
WIPO Patent Application WO/2022/249735
Kind Code:
A1
Abstract:
[Problem] To maintain a lens in an excellent state, in a wide temperature range. [Solution] A lens device 1 includes a lens 2, and a holding member 4 that holds the lens. The holding member includes a plurality of projections that protrude toward the optical axis. Abutting sections of the plurality of projections respectively abut the outer circumference of the lens. The side of the holding member opposite the optical axis in relation to the plurality of projections is provided with a plurality of openings 43 penetrating in the optical axis direction so as to correspond, respectively, to the plurality of projections. In a view along the optical axis direction, an entirety 481 of each of the abutting sections of the plurality of projections is provided in an angular range 482 centered on the optical axis from one end to another end, in the circumferential direction, of the corresponding opening.
Inventors:
MIYAJIMA TAKESHI (JP)
Application Number:
PCT/JP2022/015476
Publication Date:
December 01, 2022
Filing Date:
March 29, 2022
Export Citation:
Assignee:
CANON KK (JP)
International Classes:
G02B7/02; B60R11/02; G03B15/00; H04N5/225
Domestic Patent References:
| WO2017168959A1 | 2017-10-05 | |||
| WO2018055845A1 | 2018-03-29 |
Foreign References:
| JP2021064096A | 2021-04-22 | |||
| DE102006060088A1 | 2008-06-19 | |||
| JP2011090250A | 2011-05-06 |
Attorney, Agent or Firm:
FUJIMOTO Ryosuke (JP)
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