About 3 results
https://drivepatents.com/patents/950829 · 20 May 2015
The invention relates to a method for interrogating an elastic wave device consisting of probing the response of a resonant, piezoelectric device at a single frequency alternately on either side of a first resonance frequency determined beforehand, in orde...
https://drivepatents.com/patents/1008511 · 19 Oct 2011
Remotely interrogating a passive sensor having resonator(s) includes interrogating the resonator over a frequency range determined by the design of the resonator; interrogating the resonator at a first frequency and a second frequency; determining the ampl...
https://drivepatents.com/patents/1071955 · 7 Dec 2005
Disclosed is an apparatus and methodology for insuring measurement accuracy and performance reliability in the operation of devices employed to interrogate SAW devices. The present subject matter relates to an arrangement and methodology that provides an i...