Electrical computers and digital processing systems: multicomput – Computer-to-computer session/connection establishing – Network resources access controlling
Reexamination Certificate
2006-08-22
2006-08-22
Vaughn, Jr., William C. (Department: 2143)
Electrical computers and digital processing systems: multicomput
Computer-to-computer session/connection establishing
Network resources access controlling
C709S225000, C713S193000, C713S152000
Reexamination Certificate
active
07096268
ABSTRACT:
An internal data storage unit stores distributed music data. A copyright management table stores a process right to each music data item. The process right includes a playback right and a right to copy the data to an external storage medium. A control unit refers to the stored process right to determine whether an inputted instruction can be executed. If determining that the instruction can be executed, the control unit supplies a control signal to a playback unit or another relevant process unit. A display unit displays the stored process right based on an operation mode set in a mode storage unit. The playback and copy rights to the data are displayed with icons. If an icon indicating a copyright in use is selected, information is displayed about the external medium to which the data was copied. If the inputted instruction cannot be executed, a warning screen is displayed.
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Hirata Noboru
Kozuka Masayuki
Shoda Yukie
Tokuda Katsumi
Matsushita Electric - Industrial Co., Ltd.
Shin Kyung Hye
Vaughn, Jr. William C.
Wenderoth , Lind & Ponack, L.L.P.
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