LOUDSPEAKER HAVING ELECTRICALLY CONDUCTIVE MEMBRANE TRANSDUCERS

摘要

An improved loudspeaker having pump cards that include an array of electrically conductive membrane transducers (such as polyester-metal membrane pumps). The array of electrically conductive membrane transducers combine to generate the desired sound by the use of pressurized airflow. The array of electrically conductive membranes has a total membrane area that is at least five times larger than the face area of the loudspeaker. In some embodiments, the loudspeaker includes a dynamic DC bus controller that maintains the DC bus level slightly above the inverter output (audio signal).

主权项

1. A loudspeaker system comprising a stack comprising a plurality of electrostatic audio drivers, wherein
(a) each electrostatic audio driver in the plurality of electrostatic audio drivers comprises an electrically conductive membrane that is capable of moving along a first axis; (b) the stack comprises a first face; (c) air is capable of entering and exiting the first face along a second axis; and (d) the first axis and second axis are substantially perpendicular.