APS developed a miniature uniaxial pressure-acceleration vector sensor for the University of Vienna to support hearing research on fish that are indigenous to the Adriatic Sea.  The results were recently reported in the Journal of the Acoustical Society of America [L. V. Wysocki et al., “Sound Pressure and Particle Acceleration Audiograms in Three Marine Fish Species from the Adriatic Sea," J. Acoust. Soc. Am., 126 (4), pp. 2100-2107 (2009)].  The sensor is packaged in a 1.25-inch cube of plastic and contains a flexural mode hydrophone and accelerometer with an integrated preamplifier.  Details regarding the sensor’s development were presented by APS at the 151st meeting of the Acoustical Society of America held in Providence, RI in June 2006 [J. A. McConnell, et al., “Development of a Miniature Pressure-Acceleration Probe for Bioacoustic Applications,” J. Acoust. Soc. Am., 119(5), p. 3446 (2006)].  This sensor marks the first product APS exported overseas and was done in September 2007 after obtaining the appropriate permission from the U. S. Department of State. Since then APS has exported other products which include an Enhanced Underwater Loud Hailer (eLoud™) to the Netherlands Ministry of Defense and Canadian defense contractor MacDonald, Dettwiler, and Associates Ltd.  The eLoud™ was exported after receiving a commodity jurisdiction determination by the Directorate of Defense Trade Controls that the eLoud™ is not subject to the licensing jurisdiction of the Department of State.

	Know someone who would enjoy this article? Email it to them Now!

Top of Page