Cascaded transducer array arrangement for control over an...

Details Cascaded transducer array arrangement for control over an... Cascaded transducer array arrangement for control over an...

2009-01-29

2011-11-01

Barrera, Ramon (Department: 2832)

Electrical audio signal processing systems and devices

Electro-acoustic audio transducer

Having acoustic wave modifying structure

C381S340000, C381S341000, C181S144000, C181S152000, C181S194000

Reexamination Certificate

active

08050442

ABSTRACT:
A horn based loudspeaker system provides control over peak to peak pressure of an acoustic signal across its frequency spectrum. Frequency spectrum matched acoustic energy added to the acoustic signal at diverse points distributed along the horn.

REFERENCES:
patent: 4845759 (1989-07-01), Danley
patent: 5526456 (1996-06-01), Heinz
patent: 6411718 (2002-06-01), Danley et al.
patent: 7454030 (2008-11-01), Graber
patent: 2005/0047622 (2005-03-01), Graber

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