Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Electromagnetic
Reexamination Certificate
2005-01-18
2005-01-18
Kuntz, Curtis (Department: 2643)
Electrical audio signal processing systems and devices
Electro-acoustic audio transducer
Electromagnetic
C381S408000, C381S431000
Reexamination Certificate
active
06845166
ABSTRACT:
A plane driving type electroacoustic transducer having a film of diaphragm with a conduction pattern formed thereon and a magnetic circuit, wherein a vibration damping layer is provided on the diaphragm.
REFERENCES:
patent: 3829623 (1974-08-01), Willis et al.
patent: 4037061 (1977-07-01), von Recklinghausen
patent: 4210786 (1980-07-01), Winey
patent: 4242541 (1980-12-01), Ando
patent: 4281223 (1981-07-01), Ugaji et al.
patent: 4338489 (1982-07-01), Gorike
patent: 4468530 (1984-08-01), Torgeson
patent: 4471172 (1984-09-01), Winey
patent: 4803733 (1989-02-01), Carver et al.
patent: 5003609 (1991-03-01), Muraoka
patent: 5003610 (1991-03-01), Adachi et al.
patent: 5297214 (1994-03-01), Bruney
patent: 5430805 (1995-07-01), Stevenson et al.
patent: 5627903 (1997-05-01), Porrazzo et al.
patent: 5901235 (1999-05-01), Thigpen et al.
patent: 6097830 (2000-08-01), Zelinka et al.
patent: 6185310 (2001-02-01), Kermani et al.
Hara Akira
Kondo Kunio
Dabney Phylesha
Finnegan Henderson Farabow Garrett & Dunner L.L.P.
Foster Electric Co. Ltd.
Kuntz Curtis
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