What people are saying - Write a review
We haven't found any reviews in the usual places.
Editors Comments on Papers 1 and 2
MICROPHONES MOVING CONDUCTOR IN A MAGNETIC FIELD
20 other sections not shown
acoustic acoustic impedance air chamber amplifier amplitude angle applied axis baffle barium titanate Bell cardioid compliance condenser microphone cone constant coupling coefficient crystal curve cycles damping described developed diameter diaphragm directional characteristics driving efficiency electret electrical electrical impedance electroacoustic electromechanical electrostatic equation equivalent circuit force frequency range frequency response given high frequencies high-frequency increase inductance length loud speaker loudspeaker low frequencies magnetic field magnetostrictive mass loads material measured mechanical impedance mechanical system motional impedance moving coil obtained ohms oscillator output paper Patent phase phragm piezoelectric plate pressure element quency radiation radiation resistance ratio reactance reproduced resistance result ribbon microphone Rochelle salt sensitivity shown in Fig sound pressure sound wave stiffness submarine thickness throat tion transducer transformer transmitter tube underwater unit vacuum tube values velocity vibration voice coil voltage