There is provided a content recording/reproducing apparatus that can restore a deleted content. An MD recording player (1) as an example of the content recording/reproducing apparatus records, each time a content recorded in a mini disk (90) is deleted, information on the deleted content to a deletion...http://www.google.fr/patents/US8032008?utm_source=gb-gplus-shareBrevet US8032008 - Content recording/reproduction device, content recording/reproduction method, information processing device, and content recording/reproduction system