Abstract: A multi-frequency wireless sensor for non-destructive testing of a test object, the sensor comprising: an ultrasound transducer having a plurality of operating frequencies; a first induction coil electrically coupled to the ultrasound transducer; a second induction coil; and a capacitance, connected in parallel with the second induction coil, such that the wireless sensor can operate at a first operating frequency or a second operating frequency when the sensor is excited by a remote device.
Type:
Grant
Filed:
April 24, 2019
Date of Patent:
January 30, 2024
Assignee:
INDUCTOSENE LIMITED
Inventors:
Anthony Croxford, Paul Wilcox, Chenghuan Zhong