Title:
PRESSURE SENSOR AND EARPHONE INCLUDING SAME
Document Type and Number:
WIPO Patent Application WO/2022/019511
Kind Code:
A1
Abstract:
A pressure sensor according to the present invention comprises: a clip part having a first surface and a second surface bent to face each other such that the distance between the first surface and the second surface changes as pressure is provided; a flexible substrate which is disposed on the first surface, and on which a coil forming a magnetic field with a provided electrical signal is located; and a circuit part for providing the coil with the electrical signal and detecting a change in inductance of the coil when the distance between the first surface and the second surface changes.
Inventors:
AHN HYUN JOON (KR)
CHOI MIN KYOUNG (KR)
LEE JE CHEOL (KR)
LEE JEONG WOO (KR)
KIM JONG SUN (KR)
HWANG JONG BEON (KR)
YOON BYOUNG JIN (KR)
CHOI MIN KYOUNG (KR)
LEE JE CHEOL (KR)
LEE JEONG WOO (KR)
KIM JONG SUN (KR)
HWANG JONG BEON (KR)
YOON BYOUNG JIN (KR)
Application Number:
PCT/KR2021/008226
Publication Date:
January 27, 2022
Filing Date:
June 30, 2021
Export Citation:
Assignee:
SILICONINSIDE CO LTD (KR)
International Classes:
H04R1/10; G01L9/00; G01L9/10; H04R5/027; H04R17/00
Foreign References:
| KR20200020082A | 2020-02-26 | |||
| JP2017146283A | 2017-08-24 | |||
| KR20060023775A | 2006-03-15 | |||
| KR20180042384A | 2018-04-25 | |||
| KR101475265B1 | 2014-12-22 |
Attorney, Agent or Firm:
KIM, Kyung Soo (KR)
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