Piezoelectric Transmitter

A piezoelectric dipole transmitter is provided that includes a piezoelectric element comprising a mechanical resonance frequency, an insulating support disposed at a midpoint of the piezoelectric element, an external capacitance actuator driver, and an external capacitance actuator disposed proximal...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	Jongewaard, Erik N, Franzi, Matthew A, Nanni, Emilio A, Kemp, Mark A
Format:	Patent
Sprache:	eng
Schlagworte:	ANTENNAS, i.e. RADIO AERIALS BASIC ELECTRIC ELEMENTS BASIC ELECTRONIC CIRCUITRY DEAF-AID SETS ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS PUBLIC ADDRESS SYSTEMS RESONATORS
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Beschreibung
Zusammenfassung:	A piezoelectric dipole transmitter is provided that includes a piezoelectric element comprising a mechanical resonance frequency, an insulating support disposed at a midpoint of the piezoelectric element, an external capacitance actuator driver, and an external capacitance actuator disposed proximal to one end of the piezoelectric element, where the capacitance actuator is driven by the external capacitance actuator driver to output a capacitive drive signal excites a length-extensional acoustic mode of the piezoelectric element to resonate at a piezoelectric element resonance frequency, where the piezoelectric element radiates energy as an electric dipole.