Acoustic transducer with improved electret assembly

Details Acoustic transducer with improved electret assembly Acoustic transducer with improved electret assembly

1976-12-30

1977-12-13

Stellar, George G.

H04R 1900, H04R 1904

Patent

active

040630501

ABSTRACT:
The present invention relates to an acoustic transducer including an improved electret assembly mounted in an improved case and having an electronic amplifier circuit comprising FET transistors. The electronic circuit further includes means for protecting the FET transistors against current surges.

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