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:
Apr. 08, 2014
Filed:
May. 07, 2010
Sang-yun Hwang, Suwon-si, KR;
Chul-jin Kim, Yongin-si, KR;
Jahng-sun Park, Suwon-si, KR;
Jong-rim Lee, Yongin-si, KR;
Hyun-kuk Choi, Suwon-si, KR;
Chang-ryong Heo, Seoul, KR;
Seong-jun Song, Seoul, KR;
Sang-Yun Hwang, Suwon-si, KR;
Chul-Jin Kim, Yongin-si, KR;
Jahng-Sun Park, Suwon-si, KR;
Jong-Rim Lee, Yongin-si, KR;
Hyun-Kuk Choi, Suwon-si, KR;
Chang-Ryong Heo, Seoul, KR;
Seong-Jun Song, Seoul, KR;
Abstract
The present invention proposes a method for transmitting data considering a non-contact state of a human body, while selecting a central frequency in various ranges in the human body communication system. To this end, a first embodiment of the present invention proposes a human body communication system in which a central frequency can be simply moved, and specifically, proposes a data transmission apparatus comprising a frequency shifter which shifts the output of a multiplexer into a specified frequency so as to enable the central frequency to be moved. In addition, a second embodiment of the present invention proposes a human body communication system which controls not only central frequency selection and transmission band minimization, but also a data rate, modulation, etc, and thus can perform stable communication in a non-contact state of a human body. Through this, it is possible to maximize the band efficiency, and to transmit data considering a non-contact state of a human body.