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:
Aug. 28, 2012
Filed:
Jun. 08, 2006
Applicants:
Daisuke Mizuno, Tokyo, JP;
Hiroaki Dei, Tokyo, JP;
Kazunori Ozawa, Tokyo, JP;
Inventors:
Assignee:
NEC Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04R 7/14 (2006.01);
U.S. Cl.
CPC ...
Abstract
A multipoint videoconference server is made to swiftly respond to a video switching request from a terminal and a degree of computational complexity is made lower. A serverdecodes only m (1<m≦n) video streams selected from n terminals and stores video streams that need not be decoded in buffers. When an instruction to switch to another stream is received from a terminal, the serveruses data accumulated in the buffers and decodes from the latest I frame by going back to the past before starting to provide a video using the video stream.