Patents by Inventor Sung Q Lee
Sung Q Lee 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: 20230341942Abstract: The present disclosure relates to a tactile emotion recognition method and device, and is directed to assigning an impedance value to each object in a virtual space; inducing virtual force using displacement between the object and a user's body in the virtual space; inducing a signal, which causes a signal of a sensory nerve to be fired, with a value corresponding to the virtual force; stimulating a location where the sensory nerve is located temporarily or over time; and generating feedback in the virtual space based on a stimulation result.Type: ApplicationFiled: April 20, 2023Publication date: October 26, 2023Applicant: Electronics and Telecommunications Research InstituteInventors: Sung Q LEE, Kang Ho PARK, You Sung KANG
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Patent number: 11486810Abstract: The present invention relates to a fluorescence sensor for measuring microalgae and a method of operating the same. The fluorescence sensor for measuring the microalgae includes a fluorescence measurement unit including a light emitter configured to irradiate excitation light onto a measurement region and a detector configured to measure fluorescence emitted from the measurement region, an algae control unit configured to form a node and an antinode of an ultrasonic standing wave in the measurement region to control an algal density, and a signal processing unit configured to calculate the algal density using fluorescence intensity signals according to an operation mode of the algae control unit.Type: GrantFiled: December 11, 2019Date of Patent: November 1, 2022Assignee: Electronics and Telecommunications Research InstituteInventors: Woo Seok Yang, Sung Q Lee, Chang Han Je, Gunn Hwang, Hyung Kun Lee
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Publication number: 20220287564Abstract: The embodiments described herein relate generally to medical devices that measure vital signs, and more particularly to wearable wireless devices that collect multiple simultaneous vital signs, and systems and methods for compressing the sensor data into a matrix representation to facilitate collecting, transmitting, processing, and displaying vital sign data.Type: ApplicationFiled: September 16, 2020Publication date: September 15, 2022Applicant: Electronics & Telecommunications Research InstituteInventors: KEE MOON, SUNG Q. LEE, WOOSUB YOUM
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Publication number: 20220251948Abstract: Disclosed is a method of operating a flow sensor according to an embodiment of the present disclosure, which includes receiving an ultrasonic signal reflected from a particle, generating first and second digital, generating a first Doppler frequency based on the first and second digital signals, a predetermined number of samples, and a first time period, comparing the first Doppler frequency with a second reference frequency, when the first Doppler frequency is less than a first reference frequency, down-sampling the predetermined number of samples to a first sampling frequency or a second sampling frequency, generating a second Doppler frequency based on the first and second digital signals, the number of down-sampled samples, and a second time period determining an output frequency based on the second Doppler frequency when the first Doppler frequency is less than a first reference frequency, and obtaining flow information of the particle based on the output frequency.Type: ApplicationFiled: December 9, 2021Publication date: August 11, 2022Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Sung Q LEE, Joho YUN, Chang Han JE, Gunn HWANG
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Patent number: 11399767Abstract: The circuit for measuring a bio-stimulating and bio-signal according to an embodiment of the inventive concept may include a bio-stimulating signal generating circuit, a bio-signal electrode, a switch block, first and second resistors, and a bio-signal measuring circuit. The bio-stimulating signal generating circuit may generate a bio-stimulating signal in a bio-stimulating mode. The bio-signal electrode may to deliver the bio-stimulating signal generated in the bio-stimulating mode and receive a bio-signal in a bio-signal measuring mode. The switch block may be turned on in a case where a voltage of the bio-stimulating signal is greater than a first reference voltage or lower than a second reference voltage. The first and second resistors may be serially connected between the bio-signal electrode and the switch block and divide a voltage of a signal of the bio-signal electrode according to whether the switch block is turned on.Type: GrantFiled: July 16, 2019Date of Patent: August 2, 2022Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: WooSub Youm, Sung Q Lee, Gunn Hwang
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Publication number: 20220079505Abstract: The present invention relates to an unrestrained neural signal monitoring device and system configured to enable an unrestrained test by being mounted on a living test subject such as a mouse, the device comprising a neural signal detector detecting a neural signal of the test subject such as a brain wave, a first light emitting part outputting a colored light for position tracking, a second light emitting part outputting a colored light for neural signal display, and a controller for controlling the first and second light emitting parts in response to the neural signal detected through the neural signal detector. Because movement of a test subject is unrestrained, a natural activity of the test subject is enabled to thereby prevent an interactive behavior of a group from being restrained.Type: ApplicationFiled: September 24, 2021Publication date: March 17, 2022Inventors: Jee Hyun CHOI, Sung Q LEE, Woo Seup YOUM
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Patent number: 10758142Abstract: A device and method is described for electronic human prosthetics, and specifically a body-machine interface (BMI) device where the input, output and on-board computing are combined into a single unit to form a compact ECG, respiratory sensing, temperature-sensing-prosthetics device. The devices (BMIs) can also communicate with other body-machine interface devices (BMI) and/or with external controllers wirelessly. The compact device has ultrasonic battery charging system. One or more BMI can be wirelessly connected so that a closed loop of BMIs, or a BMI and an external controller, can wirelessly send trigger pulses to the stimulator over the heart, glossopharyngeal nerve(s) or diaphragm.Type: GrantFiled: July 14, 2018Date of Patent: September 1, 2020Assignees: San Diego State University Research Foundation, Electronic and Telecommunication Research InstituteInventors: Kee S. Moon, Sung Q. Lee, Woosub Youm
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Publication number: 20200191695Abstract: The present invention relates to a fluorescence sensor for measuring microalgae and a method of operating the same. The fluorescence sensor for measuring the microalgae includes a fluorescence measurement unit including a light emitter configured to irradiate excitation light onto a measurement region and a detector configured to measure fluorescence emitted from the measurement region, an algae control unit configured to form a node and an antinode of an ultrasonic standing wave in the measurement region to control an algal density, and a signal processing unit configured to calculate the algal density using fluorescence intensity signals according to an operation mode of the algae control unit.Type: ApplicationFiled: December 11, 2019Publication date: June 18, 2020Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Woo Seok YANG, Sung Q LEE, Chang Han JE, Gunn HWANG, Hyung Kun LEE
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Publication number: 20190336070Abstract: The circuit may include bio-stimulating signal generating circuit which generates a bio-stimulating signal in a bio-stimulating mode, a bio-signal electrode which delivers the bio-stimulating signal generated in the bio-stimulating mode and receives a bio-signal in a bio-signal measuring mode, a switch block which is turned on when a voltage of the bio-stimulating signal is greater than a first reference voltage which is greater than a second reference voltage or lower than the second reference voltage, first and second resistors, and a bio-signal measuring circuit which measures voltage signals divided by the first and second resistors or measures a signal of the bio-signal electrode according to whether the switch block is turned on. The first and second resistors may be serially connected between the bio-signal electrode and the switch block, and divide a voltage of a signal of the bio-signal electrode when the switch block is turned on.Type: ApplicationFiled: July 16, 2019Publication date: November 7, 2019Inventors: WooSub YOUM, Sung Q LEE, Gunn HWANG
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Patent number: 10452143Abstract: A device and method is described for electronic human prosthetics, and specifically a skull- and/or spine implantable bi-directional neural-communication/brain-machine interface (BBMI) device where the input, output and on-board computing are combined into a single unit to form a compact neuro-prosthetics device. This invention is also directed to a fully implantable wireless spinal electronic recording and stimulation system using the BBMI in a human. The bi-directional devices (BBMIs) communicate with other bi-directional brain-machine interface devices (BBMI) and/or with external controllers wirelessly. The compact implantable stimulator has ultrasonic secondary battery charging system. One or more BBMI can be wirelessly connected so that a closed loop of BBMIs, or a BBMI and an external controller, can wirelessly send trigger pulses to this fully implanted stimulator over the spinal cord.Type: GrantFiled: October 17, 2016Date of Patent: October 22, 2019Assignees: San Diego State University Research Foundation, Electronics and Telecommunication Research InstituteInventors: Kee S. Moon, Yusuf Ozturk, Sung Q. Lee, Woosub Youm, Gunn Hwang
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Publication number: 20190293746Abstract: Provided is an electronic device including a first microphone array including a plurality of microphones configured to generate first signals related to a first sound in response to the first sound from a sound source, and a processor configured to generate a first result related to a first direction to the sound source from a first reference position among first positions at which the first sound is received by the plurality of microphones based on second signals corresponding to a second sound received from the sound source at second positions separated from the first positions and the first signals, and generate a second result related to a distance to the sound source based on information on a second direction from a second reference position among the second positions to the sound source and the first result.Type: ApplicationFiled: January 31, 2019Publication date: September 26, 2019Applicant: ELECTRONICS AND TELECOMUNICATIONS RESEARCH INSTITUTEInventors: Sung Q LEE, Kang-Ho PARK, Yi-Gyeong KIM
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Patent number: 10390756Abstract: The circuit may include bio-stimulating signal generating circuit which generates a bio-stimulating signal in a bio-stimulating mode, a bio-signal electrode which delivers the bio-stimulating signal generated in the bio-stimulating mode and receives a bio-signal in a bio-signal measuring mode, a switch block which is turned on when a voltage of the bio-stimulating signal is greater than a first reference voltage which is greater than a second reference voltage or lower than the second reference voltage, first and second resistors, and a bio-signal measuring circuit which measures voltage signals divided by the first and second resistors or measures a signal of the bio-signal electrode according to whether the switch block is turned on. The first and second resistors may be serially connected between the bio-signal electrode and the switch block, and divide a voltage of a signal of the bio-signal electrode when the switch block is turned on.Type: GrantFiled: February 3, 2017Date of Patent: August 27, 2019Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: WooSub Youm, Sung Q Lee, Gunn Hwang
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Publication number: 20190015005Abstract: A device and method is described for electronic human prosthetics, and specifically a body-machine interface (BMI) device where the input, output and on-board computing are combined into a single unit to form a compact ECG, respiratory sensing, temperature-sensing-prosthetics device. The devices (BMIs) can also communicate with other body-machine interface devices (BMI) and/or with external controllers wirelessly. The compact device has ultrasonic battery charging system. One or more BMI can be wirelessly connected so that a closed loop of BMIs, or a BMI and an external controller, can wirelessly send trigger pulses to the stimulator over the heart, glossopharyngeal nerve(s) or diaphragm.Type: ApplicationFiled: July 14, 2018Publication date: January 17, 2019Applicants: San Diego State University Research Foundation, Electronic and Telecommunication Research InstituteInventors: Kee S. MOON, Sung Q. LEE, Woosub YOUM
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Patent number: 10113928Abstract: Provided is a pressure sensor including a substrate having a cavity therein, a partition wall disposed in the substrate to surround the cavity, a substrate insulation layer disposed on the top surface of the substrate to cover the cavity, a sensing unit disposed on the substrate insulation layer, and an encapsulation layer disposed on the substrate insulation layer to cover the sensing unit. The cavity may extend from a top surface toward a bottom surface of the substrate, the partition wall may have an inner sidewall exposed by the cavity, and at least a portion of the sensing unit may overlap the cavity when viewed in a plan view.Type: GrantFiled: August 11, 2016Date of Patent: October 30, 2018Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Chang Han Je, Woo Seok Yang, Sung Q Lee, Chang Auck Choi
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Patent number: 10078069Abstract: The inventive concept relates to a device that detects a leak of a liquid leaked from a sinkhole, water pipe or oil pipeline under the ground. In the detection device of the inventive concept, a plurality of reception devices disposed on the surface of the earth simultaneously receive an ultrasonic signal transmitted from a transmission device under the ground and a radio frequency (RF) signal synchronized with the ultrasonic signal. Also, by measuring an arrival time of the ultrasonic signal by using the wireless signal received by each reception device as a triggering signal, a leak range of a liquid leaked from a sinkhole, water pipe or oil pipeline on a signal path between the transmission device and the reception device is detected.Type: GrantFiled: November 23, 2015Date of Patent: September 18, 2018Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Gunn Hwang, Sung Q Lee, WooSub Youm
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Patent number: 10008888Abstract: Provided is a wireless power transmission system. The wireless power transmission system includes a power supply unit generating amplified power; a wireless power transmission unit receiving and converting the amplified power into wireless power; a wireless power reception unit receiving and converting the wireless power into charging power; and a charging unit receiving the charging power, wherein the charging unit includes a battery to store the charging power and the power supply unit includes a power detection unit identifies the charged state of the battery based on the amplified voltage and amplified current of the amplified power.Type: GrantFiled: July 18, 2014Date of Patent: June 26, 2018Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: WooSub Youm, Sung Q Lee, Gunn Hwang
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Publication number: 20170241853Abstract: Provided is a pressure sensor including a substrate having a cavity therein, a partition wall disposed in the substrate to surround the cavity, a substrate insulation layer disposed on the top surface of the substrate to cover the cavity, a sensing unit disposed on the substrate insulation layer, and an encapsulation layer disposed on the substrate insulation layer to cover the sensing unit. The cavity may extend from a top surface toward a bottom surface of the substrate, the partition wall may have an inner sidewall exposed by the cavity, and at least a portion of the sensing unit may overlap the cavity when viewed in a plan view.Type: ApplicationFiled: August 11, 2016Publication date: August 24, 2017Inventors: Chang Han JE, Woo Seok YANG, Sung Q LEE, Chang Auck CHOI
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Publication number: 20170238865Abstract: The circuit may include bio-stimulating signal generating circuit which generates a bio-stimulating signal in a bio-stimulating mode, a bio-signal electrode which delivers the bio-stimulating signal generated in the bio-stimulating mode and receives a bio-signal in a bio-signal measuring mode, a switch block which is turned on when a voltage of the bio-stimulating signal is greater than a first reference voltage which is greater than a second reference voltage or lower than the second reference voltage, first and second resistors, and a bio-signal measuring circuit which measures voltage signals divided by the first and second resistors or measures a signal of the bio-signal electrode according to whether the switch block is turned on. The first and second resistors may be serially connected between the bio-signal electrode and the switch block, and divide a voltage of a signal of the bio-signal electrode when the switch block is turned on.Type: ApplicationFiled: February 3, 2017Publication date: August 24, 2017Inventors: WooSub YOUM, Sung Q LEE, Gunn HWANG
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Publication number: 20170108926Abstract: A device and method is described for electronic human prosthetics, and specifically a skull- and/or spine implantable bi-directional neural-communication/brain-machine interface (BBMI) device where the input, output and on-board computing are combined into a single unit to form a compact neuro-prosthetics device. This invention is also directed to a fully implantable wireless spinal electronic recording and stimulation system using the BBMI in a human. The bi-directional devices (BBMIs) communicate with other bi-directional brain-machine interface devices (BBMI) and/or with external controllers wirelessly. The compact implantable stimulator has ultrasonic secondary battery charging system. One or more BBMI can be wirelessly connected so that a closed loop of BBMIs, or a BBMI and an external controller, can wirelessly send trigger pulses to this fully implanted stimulator over the spinal cord.Type: ApplicationFiled: October 17, 2016Publication date: April 20, 2017Inventors: Kee S. Moon, Yusuf Ozturk, Sung Q. Lee, Woosub Youm, Gunn Hwang
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Patent number: 9613508Abstract: Provided is a security monitoring method including outputting a multi-tone sound wave configured with a linear sum of sine waves having a plurality of frequency components inside a security monitoring space, receiving the multi-tone sound wave and calculating a sound field, calculating and storing sound field information according to frequency through the sound field, comparing reference sound field information according to frequency with the currently measured sound field information and determining whether a sound field variation occurs, and analyzing whether the sound field variation occurs collected for a certain predetermined period and distinguishing at least two events among intrusion, motion and temperature variation situations on the basis of correlation between the reference sound field spectrum and consecutive sound field spectra.Type: GrantFiled: March 27, 2015Date of Patent: April 4, 2017Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Kang-Ho Park, Sung Q Lee