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:
Jul. 05, 2005
Filed:
Mar. 08, 2001
Junichi Maruyama, Yokohama, JP;
Takashi Tsunehiro, Ebina, JP;
Kunihiro Katayama, Chigasaki, JP;
Takashi Totsuka, Machida, JP;
Motoyasu Tsunoda, Sagamihara, JP;
Shinya Iguchi, Fujisawa, JP;
Nagamasa Mizushima, Fujisawa, JP;
Junichi Maruyama, Yokohama, JP;
Takashi Tsunehiro, Ebina, JP;
Kunihiro Katayama, Chigasaki, JP;
Takashi Totsuka, Machida, JP;
Motoyasu Tsunoda, Sagamihara, JP;
Shinya Iguchi, Fujisawa, JP;
Nagamasa Mizushima, Fujisawa, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
A license hub including a hub apparatus to which one or more apparatus and devices can be electrically connected, and a safe storage device for storing therein keys used to decode the encrypted contents data is added to the existing system to construct a license network. A controller of the license network acquires the information of various kinds of apparatuses and devices which are electrically connected to the license hub, and determines automatically the apparatus and/or the device suitable for executing the processing when carrying out the playback of contents or movement of the key to execute these processings.