US 12,235,372 B2
Control device, control system, and program
Yoshiki Oishi, Aichi (JP); Satoshi Mori, Aichi (JP); Kenichi Koga, Aichi (JP); and Tatsuya Koike, Aichi (JP)
Assigned to KABUSHIKI KAISHA TOKAI RIKA DENKI SEISAKUSHO, Aichi (JP)
Appl. No. 17/907,803
Filed by KABUSHIKI KAISHA TOKAI RIKA DENKI SEISAKUSHO, Aichi (JP)
PCT Filed Feb. 1, 2021, PCT No. PCT/JP2021/003507
§ 371(c)(1), (2) Date Aug. 29, 2022,
PCT Pub. No. WO2021/250929, PCT Pub. Date Dec. 16, 2021.
Claims priority of application No. 2020-101430 (JP), filed on Jun. 11, 2020.
Prior Publication US 2023/0136023 A1, May 4, 2023
Int. Cl. G01S 5/02 (2010.01); E05B 49/00 (2006.01)
CPC G01S 5/0221 (2013.01) [G01S 5/0244 (2020.05); E05B 49/00 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A control device comprising a control section configured to obtain a distance measurement value, and estimate a relative position of a position changeable type communication device with respect to a target space based on the distance measurement value, the distance measurement value being obtained when at least one of a plurality of position fixed type communication devices and the position changeable type communication device perform wireless communication, and indicating a distance between the at least one position fixed type communication device and the position changeable type communication device, the plurality of position fixed type communication devices including a first position fixed type communication device that is fixed inside a target space that is a space partitioned by an object and to at least one part included in the target space, and a second position fixed type communication device that is fixed to a part different from the at least one part, and the relative position of the position changeable type communication device with respect to the target space being changeable.