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:
Aug. 10, 2021
Filed:
Dec. 31, 2017
Applicant:
Kookmin University Industry Academy Cooperation Foundation, Seoul, KR;
Inventors:
Yeong Min Jang, Seoul, KR;
Van Trang Nguyen, Seoul, KR;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04B 10/50 (2013.01); H04B 10/516 (2013.01); H04B 10/67 (2013.01);
U.S. Cl.
CPC ...
H04B 10/5167 (2013.01); H04B 10/502 (2013.01); H04B 10/676 (2013.01);
Abstract
An optical wireless transmission device according to an embodiment of the present invention comprises: a modulation unit for receiving input of a first input signal and outputting a first output signal; and a light source control unit for controlling a first light source in accordance with the first output signal. The first output signal repeats '0' and '1' in a first phase during clock time if a binary value of the first input signal is 0, and repeats “0” and “1” in a phase opposite from the first phase during the clock time if a binary value of the first input signal is 1.