Inspection method and system
First Claim
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1. An inspection method for inspecting information stored in terminals that are included in a network, comprising the step of:
- using a program module which moves between the terminals and checks if a digital watermark is embedded in the information.
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Abstract
Provides an inspection method and system which can efficiently and securely protect copyrights. To accomplish this, an inspection method inspects information stored in a terminal (104) that is included in a network (103), uses a robot agent (102) which moves between the terminals (104) and checks if a digital watermark is embedded in the information.
29 Citations
16 Claims
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1. An inspection method for inspecting information stored in terminals that are included in a network, comprising the step of:
using a program module which moves between the terminals and checks if a digital watermark is embedded in the information. - View Dependent Claims (2, 3)
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4. An inspection system comprising an inspection host for moving a program module, which checks if a digital watermark is embedded in information stored in a terminal, between terminals that are included in a network.
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5. A recording medium that stores a program module which moves between terminals that are included in a network and checks if a digital watermark is embedded in information stored in the terminal.
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6. An inspection method comprising:
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a step of disclosing a digital watermark extraction technique on a network;
a step of installing the digital watermark extraction technique in a terminal which desires the installation of the digital watermark extraction technique; and
an inspection step of inspecting authenticity of information in the terminal using the digital watermark extraction technique installed in the terminal. - View Dependent Claims (7)
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8. An inspection method comprising:
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a step of disclosing a digital watermark extraction technique on a network;
a step of licensing a terminal which is included in the network to use the digital watermark extraction technique;
a step of installing the digital watermark extraction technique in another terminal via the use-licensed terminal; and
an inspection step of inspecting authenticity of information in the other terminal using the digital watermark extraction technique installed in the other terminal. - View Dependent Claims (9)
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10. An inspection system comprising a digital watermarking technique server which discloses a digital watermark extraction technique on a network, and licenses a terminal which is included in the network to use the digital watermark extraction technique.
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11. An inspection method comprising:
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an accept step of accepting a purchase application of information via a network;
a presentation step of presenting a technique used to protect a copyright of the information via the network;
a providing step of providing the information to the user when an agreement with the technique of the user who applied for purchase of the information is confirmed; and
an inspection step of inspecting authenticity of the information using the technique. - View Dependent Claims (12, 13)
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14. An inspection system comprising an information vendor server which accepts a purchase application of information from a user via a network, presents a technique used to protect a copyright of the information to the user via the network, and obtains a user'"'"'s agreement for the technique as a sales condition of the information.
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15. An inspection method comprising:
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a storage medium providing step of providing a storage medium which stores enciphered information embedded with storage medium identification information as a digital watermark;
a presentation request step of requesting the user to present the storage medium identification information and user identification information;
a providing step of providing a decipher program of the enciphered information to the user in the presence of the presentation; and
an inspection step of inspecting authenticity of information by comparing the user identification information associated with the storage medium identification information embedded as the digital watermark in the information, and user information of a terminal that stores the information.
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16. An inspection system that sells enciphered information which is stored in a storage medium and is embedded with storage medium identification information as a digital watermark,
said system providing decipher software of the enciphered information to a user when the user presents the storage medium identification information and user identification information, managing the storage medium identification information and user identification information in correspondence with each other, and inspecting authenticity of information by comparing the user identification information associated with the storage medium identification information embedded as the digital watermark in the information, and user information of a terminal that stores the information.
Specification