Sound Metrics Receives Large Order from Japan Maritime Self-Defense Force for DIDSON Diver-Held Sonar Systems


Lake Forest Park, Washington - Sound Metrics Corp., the leading provider of diver-held sonar systems, has received an order from Japan Maritime Self-Defense Force (JMSDF) for 17 DIDSON Diver-Held Systems.  In their search for disaster victims immediately following the earthquake and tsunami that hit Japan in March, JMSDF, state and local agencies routinely deployed equipment loaned to them by Sound Metrics.

While JMSDF had access to many new technologies for their search and recovery operations, it was the DIDSON's ease of use and near video-like imagery that led JMSDF to order 17 units that will be placed with agencies at ports around the country.

According to Sound Metrics General Manager Richard Morris, "Sound Metrics is committed to getting our technology in the hands of agencies and individuals that can make a difference. We're pleased we were able to help the Japan Maritime Self-Defense Force.  More importantly, we're glad they were able to help bring closure to so many families and that Japan will now have DIDSON Diver-Held systems readily available."

Sound Metrics designed and manufactures the DIDSON brand of acoustic imaging sonars that has exceptional image clarity.  In addition to the autonomous Diver-Held unit, which has a high-definition mask-mounted heads-up display, all Sound Metrics sonars are dual frequency; the lower frequency to reach out farther and find targets, the higher frequency for closer detailed inspection and identification. 

About Sound Metrics Corp

Sound Metrics technical team spent over a decade of research at the Applied Physics Lab, University of Washington, expanding the limits of imaging sonar technology.  Sound Metrics DIDSON sonars are deployed in many industries including; port security, military, search & rescue, fisheries, oil & gas, hydro-energy, exploration, and dam & bridge construction & maintenance. 

For more information contact:

Jeanne Dorsey, TEL: 757-382-7616, Email:

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