"What can be more palpably absurd than the prospect held out of locomotives traveling twice as fast as stagecoaches?"
|Application No.||Application Title||Issue Date|
A loudspeaker enclosure accommodates at least one speaker. Sound waves emanating from the rear of the speaker exit through a port in the enclosure. The interior of the enclosure contains at least one partition to lengthen the acoustic path from the rear of the speaker t...
|20090277712||Acoustic energy projection system|
The sound generating and transmitting apparatus is based on a radiator including at least a first, and possibly two or more, shaped reflecting surface(s) having a forward radiant axis. Each of the shaped reflecting surfaces defines sets of equivalent acoustic input loca...
|20080247582||Loudspeaker and Systems|
The invention provides, in one aspect, a loudspeaker that has electrodynamically-driven piston mounted in one external wall and that has movable panels in one or more other external walls. Those panels are air-coupled to the piston, e.g., via air within the enclosure, s...
|20070199766||Speaker system with broad directivity|
A speaker system has a speaker unit with a vibration plate of a corn type, a horn and a diffuser. The horn is disposed such that a small-diameter opening thereof is positioned inward from a front opening of the vibration plate, and an outer surface of the horn is arrang...
|20050013454||Multi-channel audio center speaker device|
This invention discloses a multi-channel audio center speaker device that has a low-frequency sound box working together with a mid-frequency sound box each on both sides, and the low-frequency sound box works with a high-frequency sound box having a forward sound direc...