Transducers with improved viscous damping

Details Transducers with improved viscous damping Transducers with improved viscous damping

2011-03-01

2011-03-01

Ni, Suhan (Department: 2614)

Electrical audio signal processing systems and devices

Electro-acoustic audio transducer

Electromagnetic

C381S396000, C381S417000

Reexamination Certificate

active

07899203

ABSTRACT:
A miniature receiver or transducer with improved viscous damping. The receiver may be a moving armature receiver using shearing forces for damping the deflection of the diaphragm. In this receiver, the damping element, which may be a liquid, extend in a direction of the deflection of the armature or diaphragm. Another embodiment relates to a transducer where the damping element engages the diaphragm.

REFERENCES:
patent: 6041131 (2000-03-01), Kirchoefer et al.
patent: 7362878 (2008-04-01), Miller et al.
patent: 7415125 (2008-08-01), Warren et al.

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