H - Electricity – 04 – R
Patent
H - Electricity
04
R
349/66
H04R 17/02 (2006.01)
Patent
CA 1212451
CERAMIC MICROPHONE Abstract: A ceramic microphone is described which comprises a diaphragm for receiving sound waves, a thin ceramic plate attached to the diaphragm for transducing the sound waves to electric signals, and a plurality of electrodes on each of the opposite sides of the ceramic plate, the plurality of electrodes being polarized so that each of a pair of the electrodes faced across the ceramic plate forms a capacitor and the opposite-polarity electrodes of each of the capacitors are serially connected each other.
438277
Primo Company Limited
Riches Mckenzie & Herbert Llp
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