Flat panel sound radiator with fire protective back box
Flat panel sound radiator with special edge details
Flat panel sound radiator with supported exciter and...
Flat speaker
Flat-diaphragm transducer and method of manufacturing such a...
Flexible earhook
Flexible interlink for hydrophone array
Flexible tape electroacoustic transducer using an electret
Flextensional transducers
Flexural disk resonant cavity transducer
Fluid damped acoustic enclosure system
Flush-mount pivoting speaker
Flux-bridging stereophonic pickup
Fm stereo apparatus and method
Focused electromechanical device
Focussing apparatus
Forced air cooling system
Free-flooded ring transducer with slow wave guide
Frequency adjustment of piezoelectric resonator utilizing...
Frequency characteristic-adjusting apparatus