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OwnerHidehiko Kawakamiinventor
Estimating the term…
A consuming device effects a specific function by using a content of an information package containing a plurality of charged contents while permitting a user to get a refund in response to the amount of actually used contents. A used content ID list of IDs of charged contents having been used so far is stored in nonvolatile memory in such a way as prevents the list from being altered by any person. If a content to be used has never been used until then, the ID of the content is added to used content ID list. The user can get a refund according to the amount of used contents. A navigation system is also disclosed. The navigation system enables the user to lock the use permission, issue a refund request after use permission locking, and unlock the use permission lock.
A consuming device for effecting a specific function by using a content of an information package containing a plurality of charged contents while permitting a user to get a refund in response to the amount of actually used contents, the consuming device comprising:
A navigation system that uses a map of an optical disc containing a plurality of charged maps of data and permits a user to get a refund in response to the amount of actually used maps, the navigation system comprising:
A program, run on a computer, for effecting a specific function by using a content of an information package containing a plurality of charged contents while permitting a user to get a refund in response to the amount of actually used contents, the program comprising the functions of:
An information package for use in a computer based system, the information package comprising:
Dependencies are inferred from the claim text.