US 12,346,764 B2
Item inspection system, inspection method, and information processing apparatus
Mitsuhide Murofushi, Shizuoka (JP); Tomoya Uehara, Shizuoka (JP); Kenichi Nakao, Shizuoka (JP); Yuki Nakajima, Kanagawa (JP); and Kenichi Fujii, Shizuoka (JP)
Assigned to Canon Kabushiki Kaisha, Tokyo (JP)
Filed by CANON KABUSHIKI KAISHA, Tokyo (JP)
Filed on Feb. 6, 2024, as Appl. No. 18/433,706.
Application 18/433,706 is a continuation of application No. PCT/JP2022/024324, filed on Jun. 17, 2022.
Claims priority of application No. 2021-138255 (JP), filed on Aug. 26, 2021.
Prior Publication US 2024/0176964 A1, May 30, 2024
Int. Cl. G06K 7/10 (2006.01); G06Q 10/087 (2023.01)
CPC G06K 7/10297 (2013.01) [G06Q 10/087 (2013.01)] 17 Claims
OG exemplary drawing
 
1. An item inspection system comprising:
a first wireless device installed at a known position;
a second wireless device attached to an item;
a portable system that includes a reading unit configured to read, from the first and second wireless devices, identification information stored in the respective wireless device;
a position estimation unit configured to estimate a position of the portable system based on a result of reading of identification information from the first wireless device by the reading unit; and
an inspection unit configured to inspect whether the item exists in a specific place based on a result of reading of identification information from the second wireless device by the reading unit,
wherein the portable system is configured to operate in one of a plurality of operation modes including a first operation mode for the estimation of a position of the portable system and a second operation mode for the inspection on the item, and
wherein the inspection unit is configured to:
specify the item for which inspection has not been completed based on a position of the item indicated by position information stored in a database and a position of the portable system estimated by the position estimation unit while the portable system is operating in the first operation mode; and
determine that the specified item exists in the specific place in response to the identification information being read from the second wireless device by the reading unit while the portable system is operating in the second operation mode.