Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Plural or compound reproducers
Reexamination Certificate
2006-04-24
2011-10-11
Menz, Laura (Department: 2813)
Electrical audio signal processing systems and devices
Electro-acoustic audio transducer
Plural or compound reproducers
C381S374000, C381S370000
Reexamination Certificate
active
08036413
ABSTRACT:
A remote controller having an echo function is disclosed, which comprises an echo circuit which includes an echo IC and an echo volume switch, with the echo IC being designed to amplify and circulate voice signals for generating echo, and with the echo circuit being connected with the microphone driving unit, the voice amplifier and the mixer circuit, respectively. In the remote controller, a user's voice and an external sound from an audio apparatus are outputted based on an echo effect when a user practices language or singing.
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Menz Laura
Park & Associate IP Law, P.C.
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