Patent ID: 7974515

Claim:
An optical disk device, comprising: output means which outputs, to a display device, a title menu image in which a list is displayed of title names of titles recorded upon an optical disk which is loaded; selection means which selects, upon the title menu image which is outputted by the output means, any desired title from among the titles whose title names are displayed; replay means which, when title replay has been commanded, starts replay of the title which is selected by the selection means at that time point; storage means which, for each optical disk, and for each title recorded upon that optical disk, stores whether or not it is a replay-completed title; and replay-completed decision means which, for each the title, decides that it is a replay-completed title if the portion thereof which has been replayed is greater than a proportion determined in advance, wherein the output means separates the titles recorded upon the optical disk which is loaded into replay-completed titles and titles which are not replay-completed, based upon the contents stored in the storage means, and selectively outputs a first title menu image consisting of the replay-completed titles, or a second title menu image consisting of the titles which are not replay-completed, and wherein the storage means stores replay history for titles which are not replay-completed, and, when it has been decided by the replay-completed decision means that a title has become replay-completed, deletes the replay history of that title.