Lightweight Underwater Acoustic Projector

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Sonar projectors are used to hunt and classify naval mines and buried objects with acoustic wavelength below 10kHz. This is of particular interest to a wide range of commercial and governmental entities. Unfortunately, current underwater projectors at these frequencies are large, heavy, and cumbersome to use on many underwater vehicles.

Naval Surface Warfare Center, Crane Division (NSWC Crane), has developed and patented an acoustic projector system to detect objects in littoral environments for which small, unmanned submersible vehicles are best-suited. This technology is assembled with inherently inexpensive cymbal-type actuators and rugged active electro-acoustic transducers. The acoustic projector is small, lightweight, and has low vehicle volume occupation. In addition, the projector allows independent addressing of each projector element

- Low vehicle volume occupation
- Lightweight
- Small
- Cost reduction

Potential Application:
- Commercial
- Navy
Nov 5, 2002
Utility Patent
United States
Sep 28, 2004
Purdue Office of Technology Commercialization
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