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Title:
RANGE IMAGING DEVICE AND RANGE IMAGING METHOD
Document Type and Number:
WIPO Patent Application WO/2022/154073
Kind Code:
A1
Abstract:
The present invention is a range imaging device (1) equipped with: a light source unit (2); a light-receiving unit (3) which has a pixel (321) equipped with a photoelectric conversion element (PD) and three or more charge storage units (CS), and also has a pixel drive circuit (323); and a range image processing unit (4). Therein, the range image processing unit (4) controls in a manner such that the reflected light storage time for storing a charge corresponding to reflected light (RL) in two charge storage units (CS) according to the intensity of the reflected light (RL) is a different amount of time for each one-frame interval, when allocating charges, which correspond to the reflected light (RL) of an optical pulse (PO) reflected at an object (OB), to two charge storage units (CS) and storing the same therein.

Inventors:
TAKAHASHI SATOSHI (JP)
NAKAGOME TOMOHIRO (JP)
Application Number:
PCT/JP2022/001059
Publication Date:
July 21, 2022
Filing Date:
January 14, 2022
Export Citation:
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Assignee:
TOPPAN INC (JP)
International Classes:
G01C3/06; G01S7/4865; G01S17/894; H04N5/341; H04N5/353; H04N5/374; H04N5/3745; H04N5/378
Domestic Patent References:
WO2020262476A12020-12-30
WO2019078366A12019-04-25
WO2016208214A12016-12-29
WO2021001975A12021-01-07
Foreign References:
CN111580119A2020-08-25
Attorney, Agent or Firm:
MATSUNUMA Yasushi et al. (JP)
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