Music – Instruments – Electrical musical tone generation
Reexamination Certificate
2006-09-05
2006-09-05
Donels, Jeffrey W (Department: 2837)
Music
Instruments
Electrical musical tone generation
C705S052000
Reexamination Certificate
active
07102071
ABSTRACT:
In response to a readout instruction, tone reproducing digital data are read out which include information indicative of tone generating events and time lengths. Then, degrading processing is performed to change the information indicative of tone generating events and time lengths, included in the read-out tone reproducing digital data, in accordance with payment of a necessary charge for the digital data, and then the changed tone reproducing digital data are output. By thus performing the degrading processing on the read-out tone reproducing digital data in accordance with the payment of the necessary charge when the digital data are to be transferred or reproduced, there can be achieved an advantageous effect of reliably preventing unauthorized use of the digital data.
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Relevant portion of Japanese Office Action of corresponding Japanese Application No. 2002-249341.
Donels Jeffrey W
Rossi Kimms & McDowell LLP
Yamaha Corporation
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