US 11,927,570 B2
Estimation device, inspection system, estimation method, and storage medium
Masahiro Saito, Yokohama (JP); Yasunori Chiba, Yokohama (JP); Akira Ushijima, Yokohama (JP); Toshiyuki Ono, Kawasaki (JP); and Atsushi Matsumura, Yokohama (JP)
Assigned to KABUSHIKI KAISHA TOSHIBA, Tokyo (JP)
Filed by KABUSHIKI KAISHA TOSHIBA, Tokyo (JP)
Filed on Sep. 22, 2022, as Appl. No. 17/950,473.
Application 17/950,473 is a division of application No. 15/931,148, filed on May 13, 2020, granted, now 11,480,549.
Claims priority of application No. 2019-091717 (JP), filed on May 14, 2019.
Prior Publication US 2023/0012631 A1, Jan. 19, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. G01N 29/44 (2006.01); G01N 29/07 (2006.01); G01N 29/11 (2006.01)
CPC G01N 29/44 (2013.01) [G01N 29/07 (2013.01); G01N 29/11 (2013.01); G01N 2291/267 (2013.01)] 14 Claims
OG exemplary drawing
 
1. An estimation device, comprising:
a processor estimating a range of a weld portion in a second direction based on an intensity distribution of a reflected wave in the second direction, a plurality of ultrasonic sensors transmitting an ultrasonic wave in the second direction toward the weld portion and receiving the reflected wave, the plurality of ultrasonic sensors being arranged in a first direction crossing the second direction, and
the processor calculating a centroid position of an intensity distribution of the reflected wave in the first direction for each of a plurality of points in the second direction, and estimating a range of the weld portion in the first direction based on a plurality of the centroid positions.