Multiple waveguide coaxial ceiling loudspeaker

Details Multiple waveguide coaxial ceiling loudspeaker Multiple waveguide coaxial ceiling loudspeaker

2006-11-28

2006-11-28

Kuntz, Curtis (Department: 2614)

Electrical audio signal processing systems and devices

Electro-acoustic audio transducer

Plural or compound reproducers

C381S160000, C381S186000, C381S337000, C381S338000, C381S340000, C381S341000

Reexamination Certificate

active

07142680

ABSTRACT:
A flush mountable ceiling speaker (10) with individual coaxial waveguides (20, 22) for both the lower and high-frequency transducers (11, 12). The lower frequency radiation is combined with the sonic energy radiated by the high-frequency transducer (12) and shaped by the high-frequency waveguide (20) to create a coherent, uniformly controlled coverage pattern. The loudspeaker (10) creates a well defined sound dispersion pattern over a relatively large bandwidth, resulting in increased vocal intelligibility and more accurate reproduction of music at relatively great distances from the loudspeaker, as is particularly useful in association with high ceiling installations.

REFERENCES:
patent: 4123621 (1978-10-01), Walker
patent: 4619342 (1986-10-01), Buck
patent: 5088574 (1992-02-01), Kertesz, III
patent: 5109423 (1992-04-01), Jacobson et al.
patent: 5526456 (1996-06-01), Heinz
patent: 6411718 (2002-06-01), Danley et al.
patent: 6431309 (2002-08-01), Coffin

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