| 摘要 |
PROBLEM TO BE SOLVED: To provide a program reservation method and a program retrieval method by which a program broadcast is retrieved from a program database in response to preference of a user among a plurality of programs broadcast through multi-channels and the program recoding is reserved. SOLUTION: A program reservation device 10 transmits program preference information whose recording is desired to a program retrieval device 20, and the program retrieval device retrieves a program database stored in a program information storage device 30 on the basis of program retrieval information supplied by the program preference information to obtain object program information, generates preference program signal information on the basis of the obtained program information, and transmits the preference program signal information to the program reservation device 10 which makes a reservation recording set to record the object program.
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