Capactive force transducer

Condenser microphones based on silicon with humidity resistant s

Coupling aid for seismic cable

Coupling aid for seismic cable

Deployable hull array system

Device for detecting seismic motion

Device for sensing seismic and acoustic vibrations

Diamagnetic current response transducer for sensing pressure...

DIFAR sensor

Double-ended geophone

Dual gimbal geophone

Electroacoustic transducer

Electroacoustic transducer of the so-called "electret" type, and

Electrostatic membranes for sensors, ultrasonic transducers...

Electrostatic transducer and method for manufacturing same

Electrostatic transducer and method for manufacturing same

Electrostatic transducer and method of making and using same

Electrostatic ultrasonic transducer

Fiber optic accelerometer and method of measuring inertial force

Geophone