Skin touch-controlled piezoelectric microphone

Details Skin touch-controlled piezoelectric microphone Skin touch-controlled piezoelectric microphone

1997-06-27

1998-07-07

Le, Huyen

Electrical audio signal processing systems and devices

Sound effects

Reverberators

381151, 381173, H04R 2500

Patent

active

057780790

ABSTRACT:
A skin touch-controlled piezoelectric microphone which includes a housing having a thin bottom side that admits vibrating waves from the user's skin when the user talks, a metal base plate mounted in the housing and having a negative signal electrode contact, a signal metal plate mounted in the housing and having a positive signal electrode contact, two ceramic plates sandwiched in between the metal base plate and the signal metal plate, a PC board mounted on the metal base plate and having a negative signal electrode contact and positive signal electrode contact respectively connected to the negative signal electrode contact of the metal base plate and the positive signal electrode contact of the signal metal plate for converting the collected voice signal into an electric signal, and a signal line connected to the PC board for output of the electric signal.

REFERENCES:
patent: 2045427 (1936-06-01), White
patent: 2239550 (1941-04-01), Cubert

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