Electroacoustic unit for generating high sonic and ultra-sonic i
Electronic game call
Enhanced bottom sonar system
Fish behavior control system
Flexducer preamplifier power controller
Fluid drive method using ultrasonic waves
Flying insects repelling system
Focussing ultrasound transducer
Forced acoustic dipole and forced acoustic multipole array...
Handclap activated cat repelling device
High intensity directed light and sound crowd dispersion device
High intensity ultrasonic generator
Insect repelling system using feedback
Insect repelling system using feedback
Linear frequency sweep generator for continuous transmission FM
Liquid acoustic waveguide tube
Low power transmitter providing selectable waveform generation
Manipulation of acoustic waves using a functionally graded...
Marine turtle acoustic repellent/alerting apparatus and method
Measurement and control of the output force of a seismic vibrato