Sound pollution surveillance system and method
Sound pressure level meter
Sound sensor array with optical outputs
Sound transducer apparatus system and method
Sparse two-dimensional transducer array
Sparse two-dimensional transducer array with compound lens
Special angle beam probe for ultrasonic testing
Special sticker and procedure for detecting acoustic...
Specimen analysis instrument assembly
Specimen grips for dynamic mechanical analyzer
Spectral power ratio method and system for detecting drill...
Speed sensor and head-mounted data display
Spherical coupling
Sphericity determination using resonant ultrasound spectroscopy
Spring release mechanism for electromagnetic acoustic transducer
Stability control system for vibration test device
Stabilized reference surface for laser vibration sensors
Stator core loosening diagnosis device and stator core...
Status discriminating apparatus of human, animal, machine or...
Step counting device incorporating vibration detecting...