Patent ID: 8010489

Claim:
A content communication system comprising: a communication terminal apparatus having category IDs; and a server delivering contents corresponding to said category IDs; wherein said communication terminal apparatus includes: an interface to communicate with a module removably coupled to the interface, the module comprising a category holding device, the category holding device comprising a first read-only memory to store unrewritably a first category ID representing a predetermined main category and a second memory to store one or more second category IDs representing a variable number of sub-categories of said main category, the interface being adapted to read the first category ID and the one or more second category IDs from the module and to edit the one or more second category IDs stored on the module; first sender means configured to send the first category ID representing said main category and the second category IDs representing said sub-categories to said server; first receiver means configured to receive said contents from said server corresponding to the sub-categories; and storage means configured to store the contents received by the first receiver means; and wherein said server includes: second receiver means configured to receive the first and second category IDs from said communication terminal apparatus; database means configured to store the contents corresponding to categories; search means configured to search for and retrieve from said database means category contents corresponding to the first and second category IDs received by the second receiver means; and second sender means configured to send the category contents retrieved from said database means to said communication terminal apparatus.