Electrical audio signal processing systems and devices – Having non-electrical feature – And loudspeaker
Reexamination Certificate
2007-08-28
2007-08-28
Mei, Xu (Department: 2615)
Electrical audio signal processing systems and devices
Having non-electrical feature
And loudspeaker
C381S152000, C379S433020, C455S569100
Reexamination Certificate
active
10266723
ABSTRACT:
A mobile communications terminal is provided which is designed to transmit speech signals and to receive and reproduce speech signals, and which has a speech-reproduction device, wherein improved speech quality is achieved in that the speech-reproduction device has a sound transducer, which is disposed inside a housing of the mobile communications terminal, and at least one sound transmission opening provided in the housing, which forwards the sound generated by the sound transducer to the outside of the mobile communications terminal.
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Aubauer Roland
Hülskemper Michael
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