FunnyPhysics.com

Precision Transducer Systems
Makes and sells speakers for home theater, car, and DJ.
www.ptswoofers.com/

Barbera Transducer Systems
Offers violin and double bass pickups.
www.barberatransducers.com/

Advances in Ultrasonic transducer Development
H.H.J. Huynen, F.H. Dijkstra, T. Bouma, Röntgen Technische Dienst bv, Rotterdam, The Netherlands H. Wüstenberg Bundesanstalt für Materialforschung und -Prüfung, Berlin, Germany (NDT-net)
www.ndt.net/

International Transducer Corporation
Manufacturer of acoustic transducers for ship and submarine sonar, oceanographic survey, seismic exploration, marine life research, medical devices and industrial proximity sensing.
www.itc-transducers.com/

Transducer Techniques
Manufacturer offering a complete array of force and load measurement solutions including load cells, beam load cells, force sensors, torque sensors, signal conditioning, load cell displays, and data acquisition systems.
www.transducertechniques.com/

International Transducer Corporation
Manufacturer of acoustic transducers for ship and submarine sonar, oceanographic survey, seismic exploration, marine life research, medical devices and industrial proximity sensing.
www.itc-transducers.com/

Transducer Beam Characteristics
Bioacoustics Research lab
www.brl.uiuc.edu/

Thin Film Ultrasonic Transducer for Accurate Control of Fastener Clamp Load
NASA (USA)
sbir.gsfc.nasa.gov/

Lamb and SH Wave Transducer Arrays for the Inspection of Large Areas of Thick Plates
P.Wilcox, M.Lowe, P.Cawley: Department of Mechanical Engineering, Imperial College; London (NDT-net)
www.ndt.net/

UltraSonics - America's Secret Police
UltraSonics views mentally ill people as a threat to neighborhood communities. UltraSonics uses their sophisticated technology to manipulate, trick, and terrorize people with mental disabilities.
ourworld.cs.com/