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.

Date of Patent:
Dec. 05, 2023

Filed:

Aug. 19, 2019
Applicant:

Nippon Telegraph and Telephone Corporation, Tokyo, JP;

Inventors:

Hiroyuki Kitada, Musashino, JP;

Takafumi Okuyama, Musashino, JP;

Seisho Yasukawa, Musashino, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N 21/462 (2011.01); H04N 21/2385 (2011.01); H04N 21/2662 (2011.01); H04N 21/44 (2011.01); H04N 21/6332 (2011.01);
U.S. Cl.
CPC ...
H04N 21/4621 (2013.01); H04N 21/2385 (2013.01); H04N 21/2662 (2013.01); H04N 21/44 (2013.01); H04N 21/6332 (2013.01);
Abstract

A control device that controls a bit rate selectable by a client terminal in a video distribution network in which video data is distributed includes a database configured to store distribution information, band allocation information, and distribution system information, the distribution information containing information on video data in a distribution system, the band allocation information containing an allocated band of each session in which the distribution system performs video distribution, and the distribution system information containing a channel band of the distribution system, and a control unit configured to receive a viewing request from the client terminal, calculate an available band in the distribution system with reference to the database, and determine a maximum bit rate selectable by the client terminal based on the available band and one or more bit rates of video data corresponding to the viewing request.


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