Hard disk device with an easy access of network
First Claim
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1. A hard disk device comprising:
- a hard disk stored with contents data and programs;
a network interface unit adapted for coupling to a network;
a CPU for executing the programs; and
a bus for coupling said hard disk device, said interface unit and said CPU, wherein said CPU executes programs and applications which are stored in said hard disk and which exhibit functions including;
a plug and play function to couple its own apparatus to said network and notify a different apparatus coupled onto said network of contents its own apparatus offers;
a contents management function to acquire and manage a list of contents data stored in said hard disk;
a function to transfer the contents data stored in said hard disk to the network through said network interface;
a stream process function to write contents information received through said network interface to said hard disk device; and
a center cooperation function to transmit the contents data and programs stored in said hard disk to a center server coupled through said network so as to perform a backup operation.
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Abstract
An AV appliance mounted with a hard disk device is reinforced by assuring a home server function provided on an inherent hard disk device. The hard disk device is comprised of a hard disk, a network interface unit, a CPU, a memory and a power supply and additionally comprised of a cryptograph accelerator and a tamper-resistant area, thus offering a plug and play function, distribution of contents information stored in the hard disk device, encryption of contents through the use of a cryptograph accelerator, authentication information stored in the tamper-resistant area, authentication pursuant to an algorithm and a cooperation service with a center server.
22 Citations
14 Claims
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1. A hard disk device comprising:
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a hard disk stored with contents data and programs;
a network interface unit adapted for coupling to a network;
a CPU for executing the programs; and
a bus for coupling said hard disk device, said interface unit and said CPU, wherein said CPU executes programs and applications which are stored in said hard disk and which exhibit functions including;
a plug and play function to couple its own apparatus to said network and notify a different apparatus coupled onto said network of contents its own apparatus offers;
a contents management function to acquire and manage a list of contents data stored in said hard disk;
a function to transfer the contents data stored in said hard disk to the network through said network interface;
a stream process function to write contents information received through said network interface to said hard disk device; and
a center cooperation function to transmit the contents data and programs stored in said hard disk to a center server coupled through said network so as to perform a backup operation. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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Specification