Driver and enclosure combination

Details Driver and enclosure combination Driver and enclosure combination

2007-12-05

2011-10-04

Ensey, Brian (Department: 2614)

Electrical audio signal processing systems and devices

Electro-acoustic audio transducer

Having acoustic wave modifying structure

C381S349000, C381S352000

Reexamination Certificate

active

08031895

ABSTRACT:
An enclosure includes a chamber holding a driver with an end at a first opening in a housing and a rear end nearby a first terminal end of a passageway having a second terminal end at a second opening in the housing. The driver projects sound waves into a listening area directly through the first opening and simultaneously projects sound waves along the passageway and out the second opening into the listening area. The passageway comprises expansion and compression zones of different cross-sectional areas.

REFERENCES:
patent: 5373564 (1994-12-01), Spear et al.
patent: 5821471 (1998-10-01), McCuller
patent: 6771787 (2004-08-01), Hoefler et al.
patent: 6798892 (2004-09-01), Parnell

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