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:
Feb. 11, 2020
Filed:
Aug. 23, 2017
Wits Co., Ltd., Yongin-si, Gyeonggi-do, KR;
Hee Seung Kim, Suwon-si, KR;
Jae Hyuk Jang, Suwon-si, KR;
Chang Hee Lee, Suwon-si, KR;
Jae Sun Won, Suwon-si, KR;
Hyo Jung Yoon, Suwon-si, KR;
Gie Hyoun Kweon, Suwon-si, KR;
WITS Co., Ltd., Gyeonggi-do, KR;
Abstract
An information transmitter includes a transmitting coil configured to receive a coil voltage to generate a magnetic field; and a signal generator configured to receive a direct current (DC) voltage and operating switches to apply the coil voltage to the transmitting coil, for a first time constant in a first current path, wherein the coil voltage includes a first value, and for a second time constant in a second current path, wherein the coil voltage includes a second value smaller than the first value, and wherein the first time constant and second time constant are different from each other.