Patent ID: 7343085

Claim:
A video recording control method for a reservation type video recorder, the method comprising the steps of: extracting program specifying information of various broadcast programs from a data stream of program information and storing the program specifying information as a plurality of program information records corresponding to the broadcast programs into a program information table; storing plural group of keywords pre-designated by a user into a keyword table in association with a reservation identifier for each keyword group; comparing each of keywords stored in said keyword table with the program specifying information stored in said program information table and calculating, for each reservation identifier, a keyword matching ratio by broadcast program in accordance with the number of keywords matched with the program specifying information; creating a plurality of reservation records in association with each reservation identifier in a video recording reservation table depending on the matching ratio, each of said reservation records indicating the program specifying information corresponding to a broadcast program to be recorded; recording the contents of broadcast programs into a video file according to the reservation records of said video recording reservation table; and storing a file name of each of the broadcast programs having been recorded in the video file, into a video recording management table in association with the reservation identifier.