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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.:

US 7924762 B1

PDFFull Text
Date of Patent:
Apr. 12, 2011

Filed:

Dec. 22, 2006

Retransmission apparatus using ip multicasting method for dmb service

Applicants:

Jeong-seok Choi, Seoul, KR;

Young-hun Joo, Yongin-si, KR;

Yong-deok Kim, Seoul, KR;

Kyung-ho Chae, Seoul, KR;

Yun-je OH, Yongin-si, KR;

Inventors:

Jeong-Seok Choi, Seoul, KR;

Young-Hun Joo, Yongin-si, KR;

Yong-Deok Kim, Seoul, KR;

Kyung-Ho Chae, Seoul, KR;

Yun-Je Oh, Yongin-si, KR;

Assignee:

Samsung Electronics Co., Ltd., Maetan-Dong, Yeongtong-Gu, Suwon-Si, Gyeonggi-Do, KR;

Attorney:

Cha & Reiter, LLC

Primary Examiner:

Alpus H Hsu

Assistant Examiner:

Jeremy Costin

Int. Cl.
CPC ...
H04B 7/14 (2006.01); H04J 1/10 (2006.01); H04J 3/26 (2006.01); H04J 3/16 (2006.01); H04J 3/04 (2006.01); H04L 12/28 (2006.01); H04N 7/01 (2006.01); H04N 7/00 (2011.01); H04N 7/12 (2006.01);
U.S. Cl.
CPC ...
Abstract

A retransmission apparatus using an IP multicasting method for a DMB service including a plurality (n) of radio frequency (RF) receivers, each for receiving a DMB RF signal of a corresponding channel, a plurality (n) of DMB decoders, each for outputting a transport stream (TS) by decoding the DMB RF signal received from a corresponding RF receiver, a plurality (n) of slicers, each for processing the TS input from a corresponding DMB decoder; a plurality (n) of network interfacers, each for IP packetizing the TS sliced by a corresponding slicer; a network switch for receiving the IP packets from the plurality (n) of network interfacers, transferring the received IP packets to a multicasting processing unit, and receiving multicasting data from the multicasting processing unit, and the multicasting processing unit for receiving the IP packets from the network switch, creating a single piece of multicasting data by assigning multicasting addresses to the received IP packets, and outputting the created multicasting data to the network switch.

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