Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
September 11, 2007
Patent Application Number
11107102
Date Filed
April 14, 2005
Patent Citations Received
Patent Primary Examiner
Patent abstract
A multiple-mode acoustic wave sensor apparatus includes an acoustic wave device comprising a piezoelectric substrate and at least one electrode on the substrate. When such sensor is used in a wireless configuration, a plurality of antennas can be configured on the substrate in association with the acoustic wave device, wherein each antenna among the plurality of antennas is responsive to varying interrogation signals transmitted wirelessly to the plurality of antennas in order to excite multiple frequency modes via at least one interdigital transducer on the substrate and thereby passively detect multiple and varying parameters of a sensed material utilizing the acoustic wave device.
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