A television receiving tuner is provided which can smoothly designate a channel number, while preventing an unwanted search based on the channel number wrongly input. In the television receiving tuner, it is determined whether or not a numeric value input into one digit corresponds to any one of a plurality...http://www.google.es/patents/US7733427?utm_source=gb-gplus-sharePatente US7733427 - Television receiving tuner and television receiver
Television receiving tuner and television receiver