Visionaire Corporation

Ei Imai

Hiroshi Uchikoga

Mitsutoshi Shionoya

A DVD playerreads disc control information recorded on a DVD medium M and causes a displayto display a start menu screen, thereby prompting a viewer to perform authentication (). The viewer uses a remote controllerto display a first viewer authentication screen (). Then, an acquisition code is indicated and an input of a password is requested. Here, the viewer uses a mobile telephoneto access the website indicated by an URL shown on the first viewer authentication screen (substantially, a server computer) and inputs a user ID and an acquisition code, thereby acquiring a password required for viewing the content of the DVD medium M (() and ()). The viewer inputs the acquired password into the first viewer authentication screen (). While a program recorded on the DVD medium M is executed, the DVD playerauthenticates the password which has been input. If the password is judged to be valid, reproduction of the specified content is started.

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Tokyo, Japan

Ei Imai