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:
May. 25, 2010

Filed:

Mar. 25, 2003
Applicant:

Seung-mi Kang, Yongin-shi, KR;

Inventor:

Seung-Mi Kang, Yongin-shi, KR;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04N 7/173 (2006.01); H04N 7/10 (2006.01); H04N 7/025 (2006.01); G06F 3/00 (2006.01); G06F 13/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

Disclosed is a channel changing method in a digital broadcasting service. According to the channel changing method, a subscriber device provided with a channel change protocol that operates on a TCP/IP layer transmits an input channel change message through the channel change protocol, and a channel change server that received the channel change message receives a confirmation message that includes channel information according to channel change information included in the channel change message, and transmits data of a requested channel to the subscriber device.


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