Title:
IMAGING DEVICE
Document Type and Number:
Japanese Patent JP2020190670
Kind Code:
A
Abstract:
To enable an individual adjustment of a focus position with respect to each of a plurality of image pick-up elements corresponding to each wavelength band in a restricted space, and accurately correct a deviation of the focus position before and after an interchange of a lens.SOLUTION: An imaging device comprises: a first movement mechanism unit that causes a position of an external lens to move in a first optical axis direction of light of a first wavelength band a first image pick-up element receives, thereby causes a focus position on a first optical axis to coincide with a position of the first image pick-up element, and identify a position of the external lens; a second movement mechanism unit that, in the position of the external lens the first movement mechanism unit identifies, causes a second image pick-up element to move in a second optical axis direction of light of a second wavelength band the second image pick-up element receives, thereby causes a focus position on a second optical axis to coincide with a position of the second image pick-up element, and identifies a position of the second image pick-up element; and an optical path length extension part that secures a space allowing for an arrangement of the first and second movement mechanism units on an optical path of the first and second image pick-up elements.SELECTED DRAWING: Figure 1
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Inventors:
SUGANO TETSUO
SUNAGA KOHEI
SUNAGA KOHEI
Application Number:
JP2019096713A
Publication Date:
November 26, 2020
Filing Date:
May 23, 2019
Export Citation:
Assignee:
MITSUBISHI ELECTRIC ENG
International Classes:
G03B17/02; G02B7/02; G02B7/08; G02B7/28; G02B7/36; G03B5/08; G03B11/00; G03B13/36; G03B17/14; G03B17/17; G03B19/06; H04N5/225
Domestic Patent References:
| JP2014073234A | 2014-04-24 |
Attorney, Agent or Firm:
Michiharu Soga
Kajinami order
Yuzo Kato
Kajinami order
Yuzo Kato