公开(公告)号：US20200072665A1

公开(公告)日：2020-03-05

申请号：US16552550

申请日：2019-08-27

Applicant: Electronics and Telecommunications Research Institute

Inventor： CHUNWON BYUN ,  Young-deuk JEON ,  Chi-Sun HWANG ,  Chan-mo KANG ,  Yun-Jeong KIM ,  Hye Jin KIM ,  Seongdeok AHN ,  JEONG IK LEE ,  Seong Hyun KIM ,  Bock Soon NA

IPC: G01J1/46 ,  G06F3/01 ,  G01L9/08

Abstract: Provided is a pixel circuit. The pixel circuit includes a conversion element configured to form a voltage of an input level corresponding to a magnitude of a received energy at a first node, a first transistor configured to adjust the voltage of the first node to a first level in response to a first signal received at a first time interval, a first capacitive element configured to form a voltage at a second node based on the voltage of the first node, a second transistor configured to adjust a level of the voltage of the second node to a second level in response to the first signal, a third transistor configured to form a voltage at a third node, the voltage having a level corresponding to the level of the voltage of the second node, a fourth transistor configured to output a current corresponding to the voltage of the third node in response to a second signal received in a second time interval after the first time interval, and a fifth transistor configured to adjust the voltage of the third node to a third level in response to a third signal received in a third time interval after the second time interval.

公开(公告)号：US20230146555A1

公开(公告)日：2023-05-11

申请号：US17901031

申请日：2022-09-01

Applicant: Electronics and Telecommunications Research Institute

Inventor： Chan-Hwa HONG ,  Hye Jin KIM ,  Saerom SEO ,  Wooseup YOUM ,  Yun-Jeong KIM ,  Hanbit JIN

IPC: A61B5/11 ,  A61B5/00

CPC classification number: A61B5/1107 ,  A61B5/6822 ,  A61B5/4842 ,  A61B2562/0247 ,  A61B2562/166

Abstract: Disclosed is an electronic device for monitoring a voice and laryngeal disorders, which includes a substrate, a first pressure sensor array disposed along a first direction on the substrate and including a plurality of first pressure sensors each extending in a second direction different from the first direction, and at least one second pressure sensor extending in the first direction on the substrate and disposed to be spaced apart from the first pressure sensor array in the second direction. The voice and laryngeal disorder of a user equipped with the electronic device according to the present disclosure may be simultaneously monitored.

公开(公告)号：US20220327897A1

公开(公告)日：2022-10-13

申请号：US17513543

申请日：2021-10-28

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： HANBIT JIN ,  Yun-Jeong KIM ,  Hye Jin KIM ,  WOOSEUP YOUM ,  Chan-Hwa HONG

IPC: G08B6/00 ,  B06B1/06

Abstract: Provided is a telehaptic device which includes a piezoelectric sensor module and a piezoelectric actuator module that are spaced apart from each other, wherein the piezoelectric sensor module includes a first flexible substrate, a first support substrate connected to the first flexible substrate, a piezoelectric sensor array on the first flexible substrate, and a first wireless communication circuit on the first support substrate, the piezoelectric actuator module includes a second flexible substrate, a second support substrate connected to the second flexible substrate, a piezoelectric actuator array on the second flexible substrate, and a second wireless communication circuit on the second support substrate, the piezoelectric sensor array includes piezoelectric sensors, the piezoelectric sensors being spaced apart according to a first pitch, the piezoelectric actuator array includes piezoelectric actuators, the piezoelectric actuators being spaced apart according to a second pitch, the first pitch and the second pitch are the same.

公开(公告)号：US20220014841A1

公开(公告)日：2022-01-13

申请号：US17328528

申请日：2021-05-24

Applicant: Electronics and Telecommunications Research Institute

Inventor： Hye Jin KIM ,  JoonMin LEE ,  Yun-Jeong KIM ,  YuLim MIN ,  WOOSEUP YOUM ,  HANBIT JIN ,  Chan-Hwa HONG

IPC: H04R1/28 ,  H04R5/02 ,  H04R1/02

Abstract: The present disclosure relates to a device for playing an acoustic sound and a touch sensation, and more particularly, to a device for emitting a sound to a front surface of a speaker and playing a touch sensation feedback to a rear surface of the speaker through a driving modulation using two or more speakers while simultaneously concentrating an acoustic pressure generated according to a vibration of a membrane of the speaker to a surface of a module through a movement pipe when an audio signal is applied.

公开(公告)号：US20210384848A1

公开(公告)日：2021-12-09

申请号：US17237653

申请日：2021-04-22

Applicant: Electronics and Telecommunications Research Institute

Inventor： HANBIT JIN ,  Hye Jin KIM ,  Yun-Jeong KIM ,  YuLim MIN ,  WOOSEUP YOUM ,  JoonMin LEE ,  Chan-Hwa HONG

IPC: H02N2/04

Abstract: The present disclosure relates to a piezoelectric device, and more particularly, to a piezoelectric device including: a piezoelectric actuator; a displacement transmission structure disposed on the piezoelectric actuator; and a displacement amplification structure disposed between the piezoelectric actuator and the displacement transmission structure. Here, the displacement amplification structure includes: a first displacement amplification structure and a second displacement amplification structure, which cross each other; and a fixing pin that passes through the first displacement amplification structure and the second displacement amplification structure to connect the first displacement amplification structure and the second displacement amplification structure. Also, each of one end of the first displacement amplification structure and one end of the second displacement amplification structure may be fixed on the piezoelectric actuator.