Patents by Inventor Gyunghwan YUK
Gyunghwan YUK 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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Patent number: 11924949Abstract: The present disclosure relates to an induction heating device comprising: a heating coil provided in a main body; a knob switch, detachable from and attachable to a knob area formed on one surface of the main body, for adjusting a heating power of the heating coil by rotation when attached to the knob area; a resonance detecting unit for outputting a frequency pulse corresponding to an impedance inflection point that varies according to a degree of rotation of the knob switch; and a controller for controlling the heating power of the heating coil according to the frequency pulse.Type: GrantFiled: June 11, 2019Date of Patent: March 5, 2024Assignee: LG ELECTRONICS INC.Inventors: Byungsang Jung, Gyunghwan Yuk, Seong Hun Lee
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Patent number: 11411425Abstract: The present disclosure relates to a wireless charging device capable of efficiently charging one or more user terminals by performing a tilt function with respect to a portion where the user terminal is held. According to an embodiment of the present disclosure, the wireless charging device include a first body, a depression defined in the first body, a terminal holder that is coupled to an inner surface at both sides of the depression using a hinge and rotates with respect to the first body, a wireless charger disposed in the terminal holder, a second body connected to the first body and inclined with respect to the first body, and a display provided in the second body.Type: GrantFiled: November 19, 2019Date of Patent: August 9, 2022Assignee: LG ELECTRONICS INC.Inventors: Hwanyong Kim, Kyunghwan Kim, Hyoung Seok Kim, Gyunghwan Yuk, Seong Hun Lee
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Publication number: 20210402222Abstract: A mask apparatus includes a mask body, a fan module, a seal that defines a breathing space, a pressure sensor coupled to the mask body and configured to sense an air pressure in the breathing space, and a controller coupled to the mask body and configured to control a rotation speed of the fan module based on the air pressure. The controller is configured to determine a breathing cycle based on a maximum pressure value and a minimum pressure value among air pressure values sensed by the pressure sensor, determine a time difference between a maximum time point and a minimum time point, determine an expected time point of inhalation in a subsequent breathing cycle based on the breathing cycle and the time difference, and increase the rotation speed of the fan module based on a current time corresponding to the expected time point of inhalation.Type: ApplicationFiled: April 15, 2021Publication date: December 30, 2021Inventors: Taewook KWON, Jinmoo PARK, Junchan KWON, Seonghun LEE, Hyengcheul CHOI, Gyunghwan YUK, Minsoo KIM
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Publication number: 20210235552Abstract: The present disclosure relates to an induction heating device comprising: a heating coil provided in a main body; a knob switch, detachable from and attachable to a knob area formed on one surface of the main body, for adjusting a heating power of the heating coil by rotation when attached to the knob area; a resonance detecting unit for outputting a frequency pulse corresponding to an impedance inflection point that varies according to a degree of rotation of the knob switch; and a controller for controlling the heating power of the heating coil according to the frequency pulse.Type: ApplicationFiled: June 11, 2019Publication date: July 29, 2021Applicant: LG ELECTRONICS INC.Inventors: Byungsang JUNG, Gyunghwan YUK, Seong Hun LEE
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Publication number: 20210013732Abstract: The present disclosure relates to a wireless charging device capable of efficiently charging one or more user terminals by performing a tilt function with respect to a portion where the user terminal is held. According to an embodiment of the present disclosure, the wireless charging device include a first body, a depression defined in the first body, a terminal holder that is coupled to an inner surface at both sides of the depression using a hinge and rotates with respect to the first body, a wireless charger disposed in the terminal holder, a second body connected to the first body and inclined with respect to the first body, and a display provided in the second body.Type: ApplicationFiled: November 19, 2019Publication date: January 14, 2021Applicant: LG ELECTRONICS INC.Inventors: Hwanyong KIM, Kyunghwan KIM, Hyoung Seok KIM, Gyunghwan YUK, Seong Hun LEE
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Patent number: 10892825Abstract: An optical wireless power transfer system includes a transmission module, which includes a main light source configured to output a main light; a transmitting processor configured to modulate the main light to have a first modulation; a beam splitter configured to pass the main light as a power light; and a reception module. The reception module includes a retro-reflector configured to retro-reflect the main light back to the transmission module; and a receiving processor configured to control the retro-reflector to reflect the main light to have a second modulation based on a power generated by the main light. Further, the beam splitter is further configured to reflect the main light having the second modulation to a first photodiode included in the transmission module.Type: GrantFiled: June 18, 2020Date of Patent: January 12, 2021Assignee: LG ELECTRONICS INC.Inventors: Kyunghwan Kim, Gyunghwan Yuk, Byungsang Jung
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Publication number: 20200322049Abstract: An optical wireless power transfer system includes a transmission module, which includes a main light source configured to output a main light; a transmitting processor configured to modulate the main light to have a first modulation; a beam splitter configured to pass the main light as a power light; and a reception module. The reception module includes a retro-reflector configured to retro-reflect the main light back to the transmission module; and a receiving processor configured to control the retro-reflector to reflect the main light to have a second modulation based on a power generated by the main light. Further, the beam splitter is further configured to reflect the main light having the second modulation to a first photodiode included in the transmission module.Type: ApplicationFiled: June 18, 2020Publication date: October 8, 2020Applicant: LG ELECTRONICS INC.Inventors: Kyunghwan KIM, Gyunghwan YUK, Byungsang JUNG
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Patent number: 10727942Abstract: An optical wireless power transfer system including a transmission module having a power light source configured to output power light; a communication light source configured to output communication light; a mirror disposed in a light path of the power light source and the communication light source and configured to pass the power light and reflect the communication light; and a transmitting processor configured to modulate the communication light to have a first modulation. The wireless power transfer system also includes a reception module having a photoelectric cell configured to receive the power light from the transmission module and generate power; a retro-reflector configured to retro-reflect the communication light back to the transmission module; and a receiving processor configured to control the retro-reflector to reflect the communication light to have a second modulation based on the power generated by the photoelectric cell.Type: GrantFiled: August 29, 2019Date of Patent: July 28, 2020Assignee: LG ELECTRONICS INC.Inventors: Kyunghwan Kim, Gyunghwan Yuk, Byungsang Jung
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Publication number: 20200076506Abstract: An optical wireless power transfer system including a transmission module having a power light source configured to output power light; a communication light source configured to output communication light; a mirror disposed in a light path of the power light source and the communication light source and configured to pass the power light and reflect the communication light; and a transmitting processor configured to modulate the communication light to have a first modulation. The wireless power transfer system also includes a reception module having a photoelectric cell configured to receive the power light from the transmission module and generate power; a retro-reflector configured to retro-reflect the communication light back to the transmission module; and a receiving processor configured to control the retro-reflector to reflect the communication light to have a second modulation based on the power generated by the photoelectric cell.Type: ApplicationFiled: August 29, 2019Publication date: March 5, 2020Applicant: LG ELECTRONICS INC.Inventors: Kyunghwan KIM, Gyunghwan YUK, Byungsang JUNG
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Patent number: 10367368Abstract: The present relates to a wireless power transmitter performing communication with a wireless power receiver, and a wireless power transfer method thereof. The wireless power transmitter includes a power conversion unit configured to transmit a wireless power signal transferred in a form of an energy field, such as an electric field, a magnetic field or an electromagnetic field, and a power transmission control unit configured to transfer power to the wireless power receiver using the wireless power signal, wherein the power transmission control unit is configured to control the power conversion unit to transmit a near-field communication (NFC) detection signal, other than the wireless power signal, when a preset condition is satisfied, and wherein the power transmission control unit controls the wireless conversion unit in a different manner according to whether or not a response signal to the NFC detection signal is detected.Type: GrantFiled: April 11, 2017Date of Patent: July 30, 2019Assignee: LG ELECTRONIC INC.Inventors: Gyunghwan Yuk, Jaesung Lee, Jaesoon Kwon, Jinsup Park, Jeongkyo Seo, Byungsang Jung, Youngchan Cho
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Publication number: 20170294798Abstract: The present relates to a wireless power transmitter performing communication with a wireless power receiver, and a wireless power transfer method thereof. The wireless power transmitter includes a power conversion unit configured to transmit a wireless power signal transferred in a form of an energy field, such as an electric field, a magnetic field or an electromagnetic field, and a power transmission control unit configured to transfer power to the wireless power receiver using the wireless power signal, wherein the power transmission control unit is configured to control the power conversion unit to transmit a near-field communication (NFC) detection signal, other than the wireless power signal, when a preset condition is satisfied, and wherein the power transmission control unit controls the wireless conversion unit in a different manner according to whether or not a response signal to the NFC detection signal is detected.Type: ApplicationFiled: April 11, 2017Publication date: October 12, 2017Applicant: LG ELECTRONICS INC.Inventors: Gyunghwan YUK, Jaesung LEE, Jaesoon KWON, Jinsup PARK, Jeongkyo SEO, Byungsang JUNG, Youngchan CHO
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Patent number: 9433552Abstract: An electromotive walking assistance device includes a drive unit including a plurality of wheels and a motor for driving at least on portion of the plurality of wheels, a sensor unit sensing a distance from a user, a manipulation unit sensing a user's manipulation, and a controller controlling the motor based on a signal of the distance from the user and a signal of the user's manipulation.Type: GrantFiled: January 16, 2014Date of Patent: September 6, 2016Assignee: LG ELECTRONICS INC.Inventors: Yoonyoung Chang, Honggul Jun, Jaehark Park, Duksang Kim, Eulpyo Hong, Gyunghwan Yuk, Jungsik Kim, Byungju Dan, Hongsoo Park, Byeongrim Jo, Byunghoon Min, Sangho Yoon, Heuisik Seo
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Publication number: 20150359699Abstract: An electromotive walking assistance device includes a drive unit including a plurality of wheels and a motor for driving at least on portion of the plurality of wheels, a sensor unit sensing a distance from a user, a manipulation unit sensing a user's manipulation, and a controller controlling the motor based on a signal of the distance from the user and a signal of the user's manipulation.Type: ApplicationFiled: January 16, 2014Publication date: December 17, 2015Applicant: LG ELECTRONICS INC.Inventors: Yoonyoung CHANG, Honggul JUN, Jaehark PARK, Duksang KIM, Eulpyo HONG, Gyunghwan YUK, Jungsik KIM, Byungju DAN, Hongsoo PARK, Byeongrim JO, Byunghoon MIN, Sangho YOON, Heuisik SEO