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Patent Searching and Data


Title:
OPTICAL DEVICE, AND OPTICAL UNIT WITH OPTICAL DEVICE
Document Type and Number:
WIPO Patent Application WO/2020/230420
Kind Code:
A1
Abstract:
The optical device (10) according to the present invention is provided with: a protection cover (12) that is disposed in a direction of a field of view of an optical sensor (1); a housing (11) that holds the protection cover (12); a temperature adjustment part that adjusts the temperature of the protection cover (12); and a vibration body (13) that drives the protection cover (12) in order to remove a foreign substance adhering on the surface of the protection cover (12). The temperature adjustment part adjusts the temperature of the protection cover (12) such that the temperature rises from the peripheral edge section of the protection cover (12) toward the center.

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Inventors:
SHIMIZU YASUHIRO (JP)
NAGATA MASAKI (JP)
NISHIYAMA KENJI (JP)
ISHII YUUKI (JP)
Application Number:
JP2020/009610
Publication Date:
November 19, 2020
Filing Date:
March 06, 2020
Export Citation:
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Assignee:
MURATA MANUFACTURING CO (JP)
International Classes:
H04N5/225; B60S1/60; G03B17/02; G03B17/55; G03B17/56
Foreign References:
JP2008083298A2008-04-10
JPH06258713A1994-09-16
JP2017220308A2017-12-14
JP2019011043A2019-01-24
JP2016078489A2016-05-16
Attorney, Agent or Firm:
FUKAMI PATENT OFFICE, P.C. (JP)
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