Program-selection device, program selection method, and program information providing system

A program information extraction method comprising:

• downloading a keyword for selecting a program from a predetermined server via a communication line and writing said keyword into keyword storage, said keyword storage including a fixed region in which a predetermined number of fixed keywords are stored and an alteration region in which a predetermined number of alterable keywords are stored;
• preventing any alteration of the fixed region;
• writing said keyword downloaded by said downloading means into the alteration region of said keyword storage;
• and
• extracting program information for a program that matches a program selection condition set using said keyword stored in said keyword storage.

A program information extraction apparatus comprising:

• a program selection condition setting unit configured to set a program selection condition including at least a keyword;
• a keyword storage unit configured to store plural keywords used for setting a program selection condition in said program selection condition setting unit, said keyword storage unit including a fixed region in which a predetermined number of fixed keywords are stored and an alteration region in which a predetermined number of alterable keywords are stored, said keyword storage unit configured to prevent any alteration of the fixed region;
• a downloading unit configured to download said keyword from a predetermined server via a communication line;
• a keyword writing unit configured to write said keyword downloaded by said downloading unit into the alteration region of said keyword storage unit;
• and
• a program information extraction unit configured to extract program information that matches said program selection condition set by said program selection condition setting unit;
• and
• wherein said program selection condition setting unit is configured to store plural program selection condition candidates each including genre information of each program and said keyword, to extract one of said plural program selection condition candidates, said extracted candidate corresponding to a genre selected by a user, and to set said extracted candidate as a program selection condition.

A program information extraction apparatus comprising:

• a keyword storage unit configured to store plural keywords each for use in selection of a program, said keyword storage unit including a fixed region in which a predetermined number of fixed keywords are stored and an alteration region in which a predetermined number of alterable keywords are stored, said keyword storage unit configured to prevent any alteration of the fixed region;
• a downloading unit configured to download said keyword from a predetermined server via a communication line;
• a keyword writing unit configured to write said keyword downloaded by said downloading unit into the alteration region of said keyword storage unit;
• and
• a program information extraction unit configured to extract program information for a program that matches a program selection condition set using said keyword stored in said keyword storage unit.