Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Electromagnetic
Reexamination Certificate
2004-05-10
2008-08-19
Tran, Sinh (Department: 2615)
Electrical audio signal processing systems and devices
Electro-acoustic audio transducer
Electromagnetic
C381S186000
Reexamination Certificate
active
07415125
ABSTRACT:
A receiver assembly includes a first diaphragm assembly having a diaphragm, and a second diaphragm assembly having a diaphragm. A linkage assembly is coupled to an armature of the receiver. The linkage assembly is also coupled to the first diaphragm assembly and to the second diaphragm assembly.
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Schafer David E.
Thompson Stephen C.
Warren Daniel M.
Knowles Electronics LLC
Marshall & Gerstein & Borun LLP
Saunders, Jr. Joseph
Tran Sinh
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