The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 25, 2010
Filed:
Nov. 04, 2003
Mitsutoshi Shionoya, Tokyo, JP;
Hiroshi Uchikoga, Tokyo, JP;
Ei Imai, Tokyo, JP;
Visionaire Corporation, Tokyo, JP;
Abstract
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.