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Patent Searching and Data


Title:
OPTICAL DEVICE
Document Type and Number:
Japanese Patent JP2023091150
Kind Code:
A
Abstract:
To provide an optical device which can adjust the optical amount of each of optical systems with a simple configuration.SOLUTION: The optical device of the present invention includes: a plurality of optical systems each having a diaphragm; a storage unit for storing information about the relation between the target opening diameter and the target optical amount of the diaphragm of each optical system; and a control unit for adjusting the optical amount by changing the opening diameter of the diaphragm of each optical system on the basis of the information.SELECTED DRAWING: Figure 2

Inventors:
SATO KATSUHIKO
Application Number:
JP2021205722A
Publication Date:
June 30, 2023
Filing Date:
December 20, 2021
Export Citation:
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Assignee:
CANON KK
International Classes:
G03B9/02; G03B7/095; G03B19/07; G03B35/08; H04N23/55; H04N23/75
Attorney, Agent or Firm:
Okabe
Takao Ochi
Koji Yoshizawa
Aki Honda