Education and demonstration – Cathode ray screen display and audio means
Reexamination Certificate
2006-11-14
2006-11-14
Cheng, Joe H. (Department: 3715)
Education and demonstration
Cathode ray screen display and audio means
C434S30700R, C084S610000
Reexamination Certificate
active
07134876
ABSTRACT:
A karaoke sound system had a mixer that combines the singer's real-time voice signal from a microphone with the pre-recorded background song/music signal from a player, an amplifier that receives the mixed signal from the mixer to provide amplification or gain boosting, a dedicated channel for the vocal signal from the microphone without using a mixing device, one or more speakers to output the mixed and amplified audio signal, and one or more speakers to output the vocal signal from the dedicated channel. The vocal channel allows the vocals to maintain an overall cleaner and vibrant sound, with a “live feeling” positional presence.
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Cheng Joe H.
Lin, Esq. Vic Y.
Mica Electronic Corporation
Myers Dawes Andras & Sherman LLP
Sherman, Esq. Kenneth L.
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