Ported loudspeaker system and method with reduced air...

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Having acoustic wave modifying structure

Reexamination Certificate

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Details

C181S156000

Reexamination Certificate

active

10337347

ABSTRACT:
A loudspeaker system includes a cabinet with an interior air volume, a transducer, a first port extending from an opening in the front wall of the cabinet to the interior of the cabinet, and a second port extending from and opening in the rear wall of the cabinet to the interior of the cabinet. The first and second ports are aligned along a common longitudinal axis and the interior ends of the ports are separated from each other by a predetermined distance. First and second flanges having a diameter larger than the first and second ports are disposed at the interior ends of the first and second ports, respectively.

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patent: 6389146 (2002-05-01), Croft, III
patent: 6634455 (2003-10-01), Yang
patent: 2002/0061114 (2002-05-01), Croft, III

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