Apparatus and method for generating broad bandwidth acoustic energy
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United States of America Patent
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Feb 27, 2018
Issued Date -
N/A
app pub date -
Mar 23, 2011
filing date -
Mar 23, 2010
priority date (Note) -
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Abstract
An acoustic transmitter includes: an acoustic diaphragm configured to transmit acoustic waves into a medium; a piezoelectric actuator assembly configured to deform in an axial direction in response to an applied electrical signal; and a highly incompressible elastic material disposed between the piezoelectric actuator and the acoustic diaphragm and configured to transmit pressure waves to the acoustic diaphragm in response to motion of the piezoelectric actuator.
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International Classification(s)
- H01L:SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICE....
- B06B:GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS I....
- G10K:SOUND-PRODUCING DEVICES
- H02N:ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H04R:LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR ....
- E21B:EARTH OR ROCK DRILLING
- G01V:GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING ....
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