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:
Oct. 11, 2011
Filed:
Aug. 16, 2010
Applicants:
Sang-uk Lee, Daejeon, KR;
Cheon-sig Sin, Daejeon, KR;
Jaeeun Lee, Seoul, KR;
Jae-hoon Kim, Daejeon, KR;
Inventors:
Sang-Uk Lee, Daejeon, KR;
Cheon-Sig Sin, Daejeon, KR;
Jaeeun Lee, Seoul, KR;
Jae-Hoon Kim, Daejeon, KR;
Assignee:
Electronics And Telecommunications Research Institute, Daejeon, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01S 19/11 (2010.01); G01S 19/03 (2010.01);
U.S. Cl.
CPC ...
Abstract
An apparatus for transmitting a pseudolite signal so that a navigation signal is transmitted includes: at least four pseudolite configured to generate and output pseudolite codes for navigation; antennas configured to transmit signals outputted by the pseudolite corresponding to the antennas, respectively; and a single synchronization clock unit configured to provide each of the pseudolites with a synchronization clock.