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:
Jun. 14, 2022
Filed:
Apr. 01, 2021
Em-tech Co., Ltd., Gyeongsangnam-do, KR;
Hyuk Won, Busan, KR;
EM-TECH CO., LTD., Gyeongsangnam-do, KR;
Abstract
The present disclosure relates to a sound converting device, and in particular, a sound converting device having a near-infrared ray emission function, which allows a wearer to remain in a stable state by vagal nerve stimulation (VNS) and adjusts a stimulation effect on the wearer by adjusting an intensity of stimulation. A near-infrared ray emitted by an optical device of a light emitting unit has at least one of a set wavelength included in a reference wavelength range, a set frequency included in a reference frequency range, and a set light intensity included in a reference light intensity range, and the optical device operates to correspond to a set duty ratio included in a reference duty ratio.