US 11,842,247 B2
Wireless tag for sensor control, mobile object, and inspection system
Shigeru Yoshida, Tokyo (JP); Masaki Honda, Tokyo (JP); Gen Sakashita, Tokyo (JP); and Ryo Hashimoto, Tokyo (JP)
Assigned to MITSUBISHI HEAVY INDUSTRIES, LTD., Tokyo (JP)
Appl. No. 17/795,998
Filed by MITSUBISHI HEAVY INDUSTRIES, LTD., Tokyo (JP)
PCT Filed Jan. 6, 2021, PCT No. PCT/JP2021/000212
§ 371(c)(1), (2) Date Jul. 28, 2022,
PCT Pub. No. WO2021/161686, PCT Pub. Date Aug. 19, 2021.
Claims priority of application No. 2020-022013 (JP), filed on Feb. 13, 2020.
Prior Publication US 2023/0080305 A1, Mar. 16, 2023
Int. Cl. G06K 7/10 (2006.01); H02J 50/00 (2016.01); G06K 19/07 (2006.01); G01M 99/00 (2011.01); G05D 1/02 (2020.01)
CPC G06K 7/10366 (2013.01) [G01M 99/005 (2013.01); G05D 1/028 (2013.01); G06K 19/0708 (2013.01); G06K 19/0723 (2013.01); H02J 50/001 (2020.01); G05D 2201/0207 (2013.01)] 9 Claims
OG exemplary drawing
 
1. A wireless tag for sensor control that is connected to a sensor and configured to control execution of measurements using the sensor, comprising:
an antenna for receiving a radio wave or a magnetic field transmitted from an external wireless device;
a power generation unit configured to generate electric power based on the radio wave or the magnetic field received by the antenna; and
a control unit configured to control the sensor using generated power, which is the electric power supplied from the power generation unit, wherein
the control unit includes:
a power supply control unit configured to use a portion of the generated power to execute power supply to the sensor;
an acquisition unit configured to receive a detection result from the sensor operated by the execution of the power supply; and
a transmission processing unit configured to transmit communication information including the detection result to the outside, wherein
the control unit is configured to perform processing according to a control signal obtained based on the received radio wave or the magnetic field,
the sensor is connected to a battery via a switch that can switch presence or absence of the power supply to the sensor,
the power supply control unit is configured to switch on the switch in order to supply the power of the battery to the sensor,
the control signal includes a survival confirmation signal requesting a reply of a receipt confirmation, and
the control unit is configured to transmit the receipt confirmation to the external wireless device using the antenna when the received control signal is the survival confirmation signal.