4. H - Electricity
  5. 04
  6. R

Robert L. Jr. Wallace

H - Electricity – 04 – R

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Inventor

Country: United States Of America

Electret transducer with a selectively metalized backplate

H - Electricity – 04 – R
Patent

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Electret transducer with variable actual air gap

H - Electricity – 04 – R
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Electret transducer with variable effective air gap

H - Electricity – 04 – R
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Electret transducer with variable electret foil thickness

H - Electricity – 04 – R
Patent

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End-fire microphone and loudspeaker structures

H - Electricity – 04 – R
Patent

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Profile ID: LFCA-PAI-P-712613

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