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. 22, 2014
Filed:
Sep. 23, 2011
Jae Hyun Seo, Daejeon-si, KR;
Joung IL Yun, Daejeon-si, KR;
Heung Mook Kim, Daejeon-si, KR;
Soo IN Lee, Daejeon-si, KR;
Jae Hyun Seo, Daejeon-si, KR;
Joung Il Yun, Daejeon-si, KR;
Heung Mook Kim, Daejeon-si, KR;
Soo In Lee, Daejeon-si, KR;
Electronics and Telecommunications Research Institute, Daejeon, KR;
Abstract
A method and an apparatus for transmitting additional data in a digital terrestrial broadcasting system are provided. The apparatus includes: a main signal generating unit channel-coding main data and converting the main data into a main signal; an additional signal generating unit channel-coding additional data and converting the additional data into an additional signal; a mixed signal generating unit generating a mixed signal by coupling the main signal and the additional signal to each other; and a mixed signal transmitting unit modulating the mixed signal and transmitting the modulated mixed signal to a receiver through a transmission antenna, wherein the additional data is additional data requested by a specific user possessing the receiver and the specific user provides information on an additional data transmitter.