The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 26, 2023
Filed:
Jun. 05, 2020
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventors:
Takeaki Itsuji, Hiratsuka, JP;
Noriyuki Kaifu, Hachioji, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N 21/3581 (2014.01); H04N 23/52 (2023.01); H04N 23/51 (2023.01); H04N 23/54 (2023.01);
U.S. Cl.
CPC ...
H04N 23/52 (2023.01); G01N 21/3581 (2013.01); H04N 23/51 (2023.01); H04N 23/54 (2023.01); G01N 2201/064 (2013.01);
Abstract
A terahertz wave camera that acquires information on a measurement target includes: a sensor unit in which a plurality of elements having spectral sensitivity to the terahertz wave are arranged; a readout circuit unit that reads out signals from the elements; a first light-shielding portion; and an optical unit. The first light-shielding portion reduces disturbance light to which the readout circuit unit has spectral sensitivity. The optical unit guides a terahertz wave from the measurement target to the sensor unit.