Digital information copying management apparatus
AssigneeYamaha Corporation
InventorsHitoshi Koseki, Kazunobu Fujiwara, Tetsuya Matsuyama, Sadayuki Narusawa
Life of this patent
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Abstract
A digital information copying management apparatus includes a data storage unit that is arranged to store data, a data processing unit that controls writing and reading of the data to and from the data storage unit, a bus that connects the data storage unit and the data processing unit for transmitting data having plural bits in parallel, and a logic circuit unit that is provided between the data storage unit and the data processing unit, and that inverts at least one bit data of the data that is transferred in the bus in parallel.
Claims8
A digital information copying management apparatus, comprising:
- a data storage unit that is arranged to store data;
- a data processing unit that controls writing and reading of the data to and from the data storage unit;
- a bus that connects the data storage unit and the data processing unit for transmitting data having plural bits in parallel;
- and
- a logic circuit unit that is provided between the date storage unit and the data processing unit, and that inverts at least one bit data of the data that is transferred in the bus in parallel.
Dependencies are inferred from the claim text.