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| Number | Title | Issue Date |
| 7350618 | Multimedia speaker product A satellite speaker system includes a side firing low mid driver mounted in a sub-enclosure which is vented into a second sub-enclosure through an acoustic resistance vent and to a third sub-enclosure through a variable aperture second vent. The vents further serve ... | 04/01/2008 |
| 6810127 | Clear sound side fill center fill A loud speaker enclosure being made in two parts with each of the side panels cut into angle form to assist in angle adjustment, alone with pivot hinges and friction lid supports used to hold it's angled position. The enclosure can be modified to accommodate any des... | 10/26/2004 |
| 6724904 | Microphone mounting assembly A mounting assembly for removably supporting a microphone in an operative position and in a manner which will protect the microphone against attenuating high impact phonetic peaks. A plurality of support assemblies are selectively attachable to one another to assume... | 04/20/2004 |
| 5721401 | Sub-woofer module Disclosed is a sub-woofer module which has a simple construction and provides a good low-frequency bass in compliance with an audience's taste. The sub-woofer module has an enclosure, a baffle board which separates the enclosure into first and second cham... | 02/24/1998 |
| 5450495 | Loudspeaker system A loudspeaker apparatus includes an elongated hollow tube having two open ends, which tube may be a rigid or telescoping tube, and has a wide range speaker mounted at each end of the hollow tube. A pair of deflector surfaces may be flat, polymer surfaces ... | 09/12/1995 |
| 5309808 | Acoustic practice mute Disclosed is an acoustic practice mute for brass musical wind instruments having a bell end which is of simple construction, light weight, acoustically transmits muted or dampened sound to the ears of the player without any electrical or membrane amplific... | 05/10/1994 |
