Electrical audio signal processing systems and devices – Including frequency control – Having crossover filter
Reexamination Certificate
2006-04-11
2006-04-11
Grier, Laura A. (Department: 2644)
Electrical audio signal processing systems and devices
Including frequency control
Having crossover filter
C381S098000, C381S150000, C381S338000, C381S340000, C181S152000, C181S177000
Reexamination Certificate
active
07027605
ABSTRACT:
A midrange loudspeaker for operation in conjunction with low-frequency and high-frequency loudspeaker modules in a theater sound system, having a reduced depth for deployment in limited space. The midrange module is configured with a plurality of drivers and a waveguide unit that provides uniform sound coverage throughout a theater auditorium with substantially seamless crossovers at 250 Hz and 1.5 kHz and with the vertical beam-width held substantially constant by an electrical filter network.
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Grier Laura A.
Harman International Industries Incorporated
The Eclipse Group
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