Piezoelectric transducer

Details Piezoelectric transducer Piezoelectric transducer

1991-04-16

1993-03-16

Dwyer, James L.

Electrical audio signal processing systems and devices

Electro-acoustic audio transducer

Microphone capsule only

381190, 310324, 310348, 379433, H04R 2500, H04M 100, H01L 4104

Patent

active

051951428

ABSTRACT:
To reduce costs and improve piezoceramic transducers, use of a spool with nail-shaped contacts forced thereinto, pressed against the vibrating diaphragm by an elastic O-ring to eliminate solderings and/or spring contacts.

REFERENCES:
patent: 4429247 (1984-01-01), Feldman
patent: 4604606 (1986-08-01), Sweany
patent: 4626732 (1986-12-01), Debaisieux et al.
patent: 4944017 (1990-07-01), Cognasse et al.
patent: 4965483 (1990-10-01), Abe et al.
patent: 4984268 (1991-01-01), Brown et al.
Patent Abstracts of Japan, vol. 10, No. 46 (E-383) [2103], Feb. 22, 1986, Abstract of JP 60-199298 of Oct. 8, 1985.

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