Patent 7916595 was granted and assigned to Hitachi on March, 2011 by the United States Patent and Trademark Office.
A reproducing apparatus provided with identifying information acquisition means to read recording medium identify information recorded on a recording medium and a storage unit to store the recording medium identify information acquired by the identifying information acquisition means so that the recording media which have been played are registered as library information. When a recording medium is to be played, this library information is used to determine whether to allow bonus images to be reproduced.