Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Having acoustic wave modifying structure
Reexamination Certificate
2007-01-02
2007-01-02
Tran, Sinh (Department: 2615)
Electrical audio signal processing systems and devices
Electro-acoustic audio transducer
Having acoustic wave modifying structure
C181S163000
Reexamination Certificate
active
10621088
ABSTRACT:
A loudspeaker system has an extended bass or low frequency response. The loudspeaker system integrates a passive radiator with a transducer. The loudspeaker system also mechanically isolates the passive radiator and the transducer. A support mechanism mechanically grounds vibrations or other forces from the transducer and passive radiator that may interfere or affect the operation of the loudspeaker.
REFERENCES:
patent: 4207963 (1980-06-01), Klasco
patent: 4379951 (1983-04-01), Gabr
patent: 5432860 (1995-07-01), Kasajima et al.
patent: 6044925 (2000-04-01), Sahyoun
Color images of a device from Technics taken at the Southern California DIY Audio Meeting in Claremont, California by Charles Sprinkle on Jul. 28, 2002, 4 pages.
Butters Aaron L.
Patel Sargam
Briney III Walter F
Brinks Hofer Gilson & Lione
Harman International Industries Incorporated
Tran Sinh
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