Patents by Inventor WOOSEUP YOUM
WOOSEUP YOUM has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20240011850Abstract: Provided is a flexible pressure sensor. The flexible pressure includes: a lower structure; and an upper structure on the lower structure, wherein the lower structure includes: a flexible substrate; and first electrodes on the flexible substrate and second electrode spaced apart from the first electrodes, and the upper structure includes: a support; first protrusion structures integrally connected to the support to protrude from a bottom surface of the support; and second protrusion structures integrally connected to the support to protrude from the bottom surface of the support, the second protrusion structures being spaced apart from the first protrusion structures, wherein the first protrusion structures are in contact with a top surface of the flexible substrate, the second protrusion structures are vertically spaced apart from the first and second electrodes, and when viewed in a plan view, the first protrusion structures are configured to completely surround the second protrusion structures.Type: ApplicationFiled: July 5, 2023Publication date: January 11, 2024Inventors: HANBIT JIN, Steve PARK, Hye Jin KIM, Seyoung KWON, Gyeongsuk PARK, WOOSEUP YOUM
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Patent number: 11749075Abstract: 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 sType: GrantFiled: October 28, 2021Date of Patent: September 5, 2023Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Hanbit Jin, Yun-Jeong Kim, Hye Jin Kim, Wooseup Youm, Chan-Hwa Hong
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Publication number: 20230176652Abstract: Provided is a haptic waveform storage system including a sensor configured to measure a target object to generate a sensing signal including tactile texture information, a waveform extraction unit configured to extract a basic frequency and an envelope from the sensing signal and generate haptic waveform information including information about the basic frequency and the envelope, and a library storage unit configured to store the haptic waveform information.Type: ApplicationFiled: October 27, 2022Publication date: June 8, 2023Inventors: WOOSEUP YOUM, Hye Jin KIM, YuLim MIN, Yun-Jeong KIM, HANBIT JIN, Chan-Hwa HONG
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Publication number: 20230146555Abstract: 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.Type: ApplicationFiled: September 1, 2022Publication date: May 11, 2023Applicant: Electronics and Telecommunications Research InstituteInventors: Chan-Hwa HONG, Hye Jin KIM, Saerom SEO, Wooseup YOUM, Yun-Jeong KIM, Hanbit JIN
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Patent number: 11533003Abstract: 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.Type: GrantFiled: April 22, 2021Date of Patent: December 20, 2022Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Hanbit Jin, Hye Jin Kim, Yun-Jeong Kim, YuLim Min, Wooseup Youm, JoonMin Lee, Chan-Hwa Hong
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Patent number: 11509996Abstract: 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.Type: GrantFiled: May 24, 2021Date of Patent: November 22, 2022Assignee: Electronics and Telecommunications Research InstituteInventors: Hye Jin Kim, JoonMin Lee, Yun-Jeong Kim, YuLim Min, Wooseup Youm, Hanbit Jin, Chan-Hwa Hong
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Publication number: 20220327897Abstract: 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 sType: ApplicationFiled: October 28, 2021Publication date: October 13, 2022Inventors: HANBIT JIN, Yun-Jeong KIM, Hye Jin KIM, WOOSEUP YOUM, Chan-Hwa HONG
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Publication number: 20220149265Abstract: Provided is a low frequency vibrating actuator device including an actuator configured to generate a vibration by receiving a voltage, a spring structure disposed on the actuator, and a vibrating mass part disposed on the spring structure. Here, the spring structure includes a first thin-film, a first spacer disposed between the first thin-film and the actuator, and a second spacer disposed between the first thin-film and the vibrating mass part. Also, the first spacer and the second spacer are horizontally offset from each other.Type: ApplicationFiled: October 4, 2021Publication date: May 12, 2022Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Kang-Ho PARK, Jong Tae LIM, Seung Youl KANG, Bock Soon NA, Chan Woo PARK, Wooseup YOUM, Ji-Young OH
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Publication number: 20220014841Abstract: 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.Type: ApplicationFiled: May 24, 2021Publication date: January 13, 2022Applicant: Electronics and Telecommunications Research InstituteInventors: Hye Jin KIM, JoonMin LEE, Yun-Jeong KIM, YuLim MIN, WOOSEUP YOUM, HANBIT JIN, Chan-Hwa HONG
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Publication number: 20210384848Abstract: 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.Type: ApplicationFiled: April 22, 2021Publication date: December 9, 2021Applicant: Electronics and Telecommunications Research InstituteInventors: HANBIT JIN, Hye Jin KIM, Yun-Jeong KIM, YuLim MIN, WOOSEUP YOUM, JoonMin LEE, Chan-Hwa HONG
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Publication number: 20210361525Abstract: Provided is a vibratory stimulation device including a first substrate, a connection band connected to both sides of the first substrate, and a vibration element array including a plurality of vibration elements provided on the first substrate, wherein each of the vibration elements includes a stand provided on the first substrate, a vibration film provided on the stand and in contact with the stand at an edge, a vibrator provided on an upper or lower surface of the vibration film, and an electrode wire connected to the vibrator, wherein the vibration film includes a material that is more flexible and stretchable than the stand.Type: ApplicationFiled: May 24, 2021Publication date: November 25, 2021Applicant: Electronics and Telecommunications Research InstituteInventors: Kang-Ho PARK, Jong Tae LIM, Seung Youl KANG, Bock Soon NA, Chan Woo PARK, Seongdeok AHN, WOOSEUP YOUM, Ji-Young OH