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. 08, 2014
Filed:
Nov. 27, 2008
Takayoshi Asakura, Tokyo, JP;
Takayoshi Asakura, Tokyo, JP;
NEC Corporation, Tokyo, JP;
Abstract
A content distribution system is provided, in which time-shift viewing among a plurality of devices can be realized. The system includes, a device group management unit which manages a group to which audio-visual devices capable of realizing time-shift viewing mutually belong; a viewing state management unit which acquires viewing information of a content by the audio-visual device, and a time shift control unit which transmits permission information for viewing the content in a time-shifted manner and the viewing information of the content acquired by the viewing state management unit, to the audio-visual device included in the group managed by the device group management unit, in response to a time shift request issued by the audio-visual device.