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:
Sep. 16, 2014
Filed:
Nov. 23, 2012
Electronics and Telecommunications Research Institute, Daejeon, KR;
Korean Broadcasting System, Seoul, KR;
Nextwill Co., Ltd., Daejeon, KR;
Sung Ik Park, Daejeon-si, KR;
Hyoungsoo Lim, Daejeon-si, KR;
Ho Min Eum, Daejeon-si, KR;
Jae Hyun Seo, Daejeon-si, KR;
Heung Mook Kim, Daejeon-si, KR;
Nam Ho Hur, Daejeon-si, KR;
Young Woo Suh, Seoul, KR;
Jae Kwon Lee, Seoul, KR;
Ha Kyun Mok, Seoul, KR;
Won Gi Seo, Daejeon-si, KR;
Ju Byung Kim, Daejeon-si, KR;
Electronics and Telecommunications Research Institute, Daejeon, KR;
Seoul, Republic of Korea, Seoul, KR;
Nextwill Co., Ltd., Daejeon, KR;
Abstract
Provided are an apparatus for addition data transmission includes: an IF broadcasting signal generating unit receiving the broadcast data, and FEC and modulation of the received broadcast data to generate a broadcasting signal in an intermediate frequency (IF) band; an IF addition signal generating unit receiving the addition data to generate an addition signal in the IF band by using direct sequence spread spectrum (DSSS); an average power controlling unit controlling average power of the addition signal in the IF band; a signal combining unit combining the broadcasting signal in the IF band and the addition signal in the IF band to generate a combination signal; an RF upward converting unit upwardly converting the combination signal in a signal in a radio frequency (RF) band to a combination signal in the RF band; and a transmitting unit transmitting the combination signal in the RF band.