Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Electromagnetic
Reexamination Certificate
2011-08-09
2011-08-09
Le, Huyen D (Department: 2614)
Electrical audio signal processing systems and devices
Electro-acoustic audio transducer
Electromagnetic
C381S412000, C381S413000
Reexamination Certificate
active
07995789
ABSTRACT:
A transducer comprising a pair of spaced magnets at least partially forming a tunnel having a central axis. A coil having a first and a second side wall and an upper and a lower wall at least partially forms the tunnel. A reed having a central portion extends through the tunnel. The reed has a stationary end, a deflection end, and a tip portion which lies at least partially between the magnets, wherein the reed is mounted for deflection towards or away from the respective magnets.
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Kirchhoefer Dennis Ray
Longwell Thomas E.
Miller Thomas E.
Tsangaris Paris
Warren Daniel M.
Fitch Even Tabin & Flannery
Knowles Electronics LLC
Le Huyen D
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