Piezoelectric audio transducer

Details Piezoelectric audio transducer Piezoelectric audio transducer

1994-02-28

1996-05-07

Dougherty, Thomas M.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

310369, 310322, 310334, H01L 4108

Patent

active

055149278

ABSTRACT:
A piezoelectric transducer (100) may be achieved by mounting a piezoelectric bender (101) within a housing (102). Maximum resonation may be obtained by mounting the piezoelectric bender (101) on a single post (103). The housing (102) is constructed to have essentially the same geometry as the piezoelectric bender (101) and is separated by a predetermined distance (104). This predetermined distance (104) provides an acoustic impedance such that sound may resonate from the transducer.

REFERENCES:
patent: 2045404 (1936-06-01), Nicholides
patent: 3085167 (1963-04-01), Kritz
patent: 4035672 (1977-07-01), Beaverson et al.
patent: 4228379 (1980-10-01), Guscott et al.
patent: 4430529 (1984-02-01), Nakagawa et al.
patent: 4450376 (1984-05-01), Meitzler
patent: 5009106 (1991-04-01), Kubler et al.
patent: 5031222 (1991-07-01), Takaya
patent: 5196754 (1993-03-01), Berthold et al.
patent: 5235237 (1993-08-01), Leonhardt
patent: 5264822 (1993-11-01), Vogelman et al.

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