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Data management apparatus, storage medium having stored therein data management program, storage medium having stored therein usage certificate data, and method of using data
| Details |
Inventors: Onishi, Joji; Aoki, Mikio; Taniguchi, Shinya;
Assignee: Seiko Epson Corporation (Tokyo, JP)
Primary Examiner: Morse; Gregory
Assistant Examiner: Elmore; John
Attorney, Agent or Firm: Oliff & Berridge, PLC
The invention provides a data management apparatus which can use data advantageously in terms of data capacity. A database server performs a registration process and a providing process. When a data registration request is received from a seller, the registration process registers audio data included in the received data registration request in association with data name information, password information, and the like. At the same time, the registration process transmits usage certificate data that includes the information to a user. When a data usage request is received from a portable terminal, and when a password of a record in which the same data name as that included in the received data usage request is registered matches a password included in the received data usage request, the providing process transmits audio data specified by the data name included in the received data usage request to the portable terminal. |
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DETAILED DESCRIPTION In view of the unsolved problems encountered with such conventional techniques, it is an object of the present invention to provide a data management apparatus capable of using data while being advantageous in terms of data capacity, a storage medium having stored therein a data management program, a storage medium having stored therein usage certificate data, and a method of using data.
In order to achieve the foregoing objects, a data management apparatus of the present invention registers, in response to a data registration request which includes usage data to be used, the usage data and provides, in response to a data usage request, the usage data regarding the data usage request.
The data management apparatus includes a storage device that provides registration of the usage data; a registration device that registers the usage data in the storage device; and a providing device that provides the usage data in the storage device.
When the data registration request is received, the registration device registers the usage data included in the received data registration request in the storage device, in association with authentication information for authenticating whether or not a user is eligible to use the usage data, and the registration device transmits usage certificate data that includes the authentication information.
When the data usage request which includes the authentication information is received, and when the authentication information in the storage device which corresponds to the usage data regarding the received data usage request and the authentication information included in the received data usage request satisfy a predetermined relationship, the providing device transmits the usage data in the storage device regarding the received data usage request.
With this arrangement, for example, when a user wants to use data provided by a provider, the provider first transmits a data registration request including usage data to be used to the data management apparatus
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Finance 
