232049 ⎘
Transducers other than those covered by groups - using ionised gas
Methods and apparatus to communicate via a welding arc
#2Tunable electrostatic ion and fluid flow generator and electroacoustic transducer
#3Methods and apparatus to communicate via a welding arc
#4Electroacoustic transducer with axial electric field
#5Plasma speaker
#6EFFECTS DEVICE FOR USE WITH AUDIO SOURCES
#7Methods and apparatus to communicate via a welding arc
#8Apparatuses and methods for sound recording, manipulation, distribution and pressure wave creation through energy transfer between photons and media particles
#9Microphone
#10Electro-acoustic transducer
#11Electro-acoustic transducer
#12Porting audio using a connector in a small form factor electronic device
#13Method for converting electric signals into acoustic oscillations and an electric gas-kinetic transducer
#14Microphone circuit
#15Electroacoustic transducer having controlled ion generation
#16Dynamic acoustic impedance matching device and method