Speaker apparatus

Details Speaker apparatus Speaker apparatus

2009-03-25

2011-10-04

Luks, Jeremy (Department: 2832)

Acoustics

Diaphragm and enclosure

Reflex baffle

C381S349000

Reexamination Certificate

active

08028792

ABSTRACT:
A speaker apparatus according to the present invention includes a phase inversion-type enclosure in which a speaker unit and a bass reflex port are installed, the bass reflex port having a tubular body whose hollow cross-sectional area gradually becomes smaller from one opening side toward an inside of the bass reflex port in an axial direction of the bass reflex port, and a length in one direction of the hollow cross section of the tubular body not changing and constant along the axial direction.

REFERENCES:
patent: 5892183 (1999-04-01), Roozen et al.
patent: 7184566 (2007-02-01), Tamura et al.
patent: 2005/0039975 (2005-02-01), Sadaie et al.
patent: A-10-028298 (1998-01-01), None
patent: 2008-48176 (2008-02-01), None
Office Action in JP 2009-069640 dated Jun. 21, 2011.

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