Low cost acoustic transmitter

Award Information
Agency:
Department of Defense
Branch
n/a
Amount:
$497,160.00
Award Year:
2013
Program:
STTR
Phase:
Phase II
Contract:
N00014-13-C-0094
Award Id:
n/a
Agency Tracking Number:
N11A-026-0250
Solicitation Year:
2011
Solicitation Topic Code:
N11A-T026
Solicitation Number:
2011.A
Small Business Information
97 Elm Street, Cohasset, MA, -
Hubzone Owned:
N
Minority Owned:
N
Woman Owned:
N
Duns:
101163707
Principal Investigator:
John Butler
President/Chief Scientist
(781) 383-2002
jbutler@imageacoustics.com
Business Contact:
Nancy Butler
Vice President/Contracts
(781) 383-2002
nbutler@imageacoustics.com
Research Institute:
University of Rhode Island
Harold T Vincent
Ocean Engineering
Sheets Building, Bay Campus
Narragansett, RI, 02882-
(401) 874-1000
Nonprofit college or university
Abstract
This STTR Phase II Proposal addresses the need for a low cost acoustic transmitter that combines a power amplifier, control-circuitry and an innovative transducer assembly, all at a low cost. Our approach is to use a cylindrical modal vector projector transducer which becomes part of the housing and, moreover, uses only a minimum of power to provide a sizable source level. The modal vector projector has the versatility of generating omni-directional or dipole patterns as well as directional patterns similar to that of a Tonpilz piston type transducer. The modal transducer concept was originally conceived to reduce the power needs of acoustic modem transducers. In our Phase I final report we present various designs including very low cost as well as modest cost designs with exceptional higher performance comparable with high power tonpilz piston designs. We also introduced a more advanced ring design, the Leveraged Circumferential Acoustic Transducer (LCAT). It is this vector projector design which we propose to use as the basic transducer element of a rear planar keel type array that could be used in the DDG 51 upgrade. Although we will concentrate on this application, we will also consider other possible applications of this vector projector.

* information listed above is at the time of submission.

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