Telecommunications – Transmitter and receiver at same station – Radiotelephone equipment detail
Reexamination Certificate
2006-08-29
2006-08-29
Trost, William (Department: 2683)
Telecommunications
Transmitter and receiver at same station
Radiotelephone equipment detail
C455S556100, C455S550100, C455S418000, C375S222000, C340S007600, C340S573500
Reexamination Certificate
active
07099704
ABSTRACT:
A music playback device applicable to a portable telephone terminal device uses a sequence data FIFO memory and a waveform data FIFO memory both having limited storage capacities. A system CPU performs successive transfer of sequence data and waveform data in response to shortage events of the memories. Hence, it is possible to actualize high-quality playback of musical tunes with small storage capacities of the memories and with small load of processing of the system CPU.
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Nakamura Nobukazu
Tanaka Takahiro
Taniguchi Junya
Toba Nobukazu
Doan Kiet
Trost William
Yamaha Corporation
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