Matches 1 - 10 out of 10
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7010131 Quasi-differential power amplifier and method  
A quasi-differential power amplifier and method are disclosed that enhance drive capability and dynamic range by driving a right, left and common terminals with a right channel output signal, a...
6993480 Voice intelligibility enhancement system  
Intelligibility of a human voice projected by a loudspeaker in an environment of high ambient noise is enhanced by processing a voice signal in accordance with the frequency response...
6710653 D-class power amplifier with electric power regeneration function  
A D-class power amplifier of two channels in which an increase in power voltage due to a regenerative current is prevented and a high efficiency in utilization of electric power is attained. Two...
6529787 Multimedia computer speaker system with bridge-coupled subwoofer  
A multimedia computer speaker system includes a pair of amplifiers that provide amplified right and left audio signals to a pair of wide-band speakers. The amplifiers are configured to provide the...
EP1263130A2 D-class power amplifier with electric power regeneration function  
A D-class power amplifier of two channels in which an increase in power voltage due to a regenerative current is prevented and a high efficiency in utilization of electric power is attained. Two...
6181796 Method and system which drives left, right, and subwoofer transducers with multichannel amplifier having reduced power supply requirements  
A system and method which generates amplified signals indicative of left and right stereo channels, and uses the signals to drive transducers for each of subwoofer, left stereo, and right stereo...
D432244 Device for encasing an assay test strip  
6031921 Loudspeaker unit  
A loudspeaker unit comprises a loudspeaker box, a first loudspeaker attached to a front panel of the loudspeaker box, and a second loudspeaker having the same diameter as that of the first...
5469509 Car audio system with high signal output  
A circuit for coupling a 2- or 4-channel audio deck to 2- or 4-speakers in a car stereo audio system to increase the signal level output without raising the supply voltage or increasing the noise....
5459813 Public address intelligibility system  
Intelligibility of a human voice projected by a loudspeaker in an environment of high ambient noise is enhanced by amplifying formants (26, 28, 30) of the voice. Because intelligibility of the...
Matches 1 - 10 out of 10