01788nam 2200577Ia 450 991069726160332120230902161556.0(CKB)5470000002386305(OCoLC)646196236(EXLCZ)99547000000238630520100707d1994 ua 0engurbn|||||||||txtrdacontentcrdamediacrrdacarrierPiezoelectric loudspeaker[electronic resource] /inventor, Curtis Randall Regan ... [and others][Redacted ed.][Washington, DC] :[National Aeronautics and Space Administration],[1994]1 online resource illustrationsNASA case ;no. LAR-15138-1Title from PDF title screen (NASA, viewed July 6, 2010).NASA case ;LAR-15138-1.ActuatorsnasatConvexitynasatElectric potentialnasatLoads (forces)nasatLoudspeakersnasatOxygennasatPiezoelectricitynasatWafersnasatConvex domainsnasatElectric currentsActuators.Convexity.Electric potential.Loads (forces)Loudspeakers.Oxygen.Piezoelectricity.Wafers.Convex domains.Electric currents.Regan Curtis Randall1415346United States.National Aeronautics and Space Administration.GPOGPOBOOK9910697261603321Piezoelectric loudspeaker3517070UNINA