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Electrostatic transducer with nonplanar configured diaphragm

  • US 6,201,874 B1
  • Filed: 12/07/1998
  • Issued: 03/13/2001
  • Est. Priority Date: 12/07/1998
  • Status: Expired due to Fees
First Claim
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1. An electrostatic transducer, comprising:

  • a first rigid stator having an interior surface;

    a second rigid stator having an interior surface displaced and juxtaposed from the interior surface of the first stator; and

    at least one flexible diaphragm having a conductive layer and having an emitter portion operable as an electrostatic emitter, said emitter portion being interposed between the respective interior surfaces of the first and second stators, said diaphragm being configured as a nonplanar film characterized by a continuous array of peaks and valleys as viewed from each respective side of the diaphragm, said emitter portion of the diaphragm being positioned adjacent but substantially unattached to the respective interior surfaces of the first and second stators; and

    means for applying voltages to the respective first and second stators and diaphragm to drive the diaphragm with an applied audio signal as a speaker device.

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