Device for emitting acoustic waves in a liquid medium

Device for transmitting acoustic waves through a liquid medium

Efficient apparatus for projecting acoustic waves

Linear motor

Method and apparatus for universally decoding commands of a...

Multifunctional two-way remote control device

Piston type underwater sound generator

Power control device

Power line communication apparatus and method for operating...

Power line communication system

Remote control device, in particular a wand having motion...

Remote control transmitter and transmitting-receiving system

Remote controller and remote control method

RF communication module and RF communication system

Solid state high energy electrical switch for under-sea-water el

System and method for informing user how to use universal...

System for control of lights and motors