Patents by Inventor Hyung Hwan An
Hyung Hwan An 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: 20240128915Abstract: Disclosed is a motor driving apparatus including: a motor; an inverter including a switching element for driving the motor; a controller for controlling the switching element; a resolver including an excitation winding and a detection winding; and a resolver chip applying an excitation signal to the excitation winding by inputting a periodic signal from the controller, and receiving a feedback signal from the detection winding, wherein the resolver chip determines the number of rotations of the motor based on a change in a pulse width of a detection signal resulting from a comparison between a voltage of the feedback signal and a preset voltage, and output a signal to the inverter for setting an inertial driving control mode according to the number of rotations of the motor in a failure state of the controller.Type: ApplicationFiled: October 17, 2023Publication date: April 18, 2024Applicant: HYUNDAI MOBIS CO., LTD.Inventors: Tae Hwan KANG, Hyung Min PARK, Joo Won PARK, Beom Cheol CHO, Yun Ho CHOI, Yeon Ho KIM, Won Hee JO
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Publication number: 20240097799Abstract: Disclosed is an amplification circuit, which includes a first amplifier that receives an external signal and performs first band pass filtering on the external signal to output a first filter signal, and a second amplifier that receives the first filter signal and performs second band pass filtering on the first filter signal to output a second filter signal, and a frequency pass bandwidth of the second band pass filtering is narrower than a frequency pass bandwidth of the first band pass filtering.Type: ApplicationFiled: June 26, 2023Publication date: March 21, 2024Applicant: Electronics and Telecommunications Research InstituteInventors: Sung Eun KIM, Tae Wook KANG, Hyuk KIM, Kyung Hwan PARK, Mi Jeong PARK, Hyung-IL PARK, Kyung Jin BYUN, Kwang IL OH, Jae-Jin LEE, In Gi LIM
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Publication number: 20240075810Abstract: Disclosed are an apparatus for distributing power of an electric vehicle and a method thereof capable of optimally improving the energy consumption efficiency of the electric vehicle by predicting a vehicle speed for a predetermined time using a learned vehicle speed prediction model, determining wheel power based on the vehicle speed, and distributing the wheel power to a front wheel drive motor and a rear wheel drive motor. The apparatus includes a storage that stores a vehicle speed prediction model in which learning is completed, and a controller that predicts a vehicle speed for a preset time using the vehicle speed prediction model, determines wheel power based on the vehicle speed, and distributes the wheel power to a front wheel drive motor and a rear wheel drive motor.Type: ApplicationFiled: January 26, 2023Publication date: March 7, 2024Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATIONInventors: Dong Hoon Won, Hyung Seuk Ohn, Dong Hoon Jeong, Won Seok Jeon, Ki Sang Kim, Byeong Wook Jeon, Jung Hwan Bang, Hee Yeon Nah
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Patent number: 11923882Abstract: A hybrid communication device, an operation method thereof, and a communication system including the same are provided. The hybrid communication device includes a contact unit that includes an antenna for receiving a first communication signal and an electrode for receiving a second signal, a switch controller that includes a first switch and a second switch and controls the first switch and the second switch based on a change in capacitance of the electrode, and a signal processing unit that receives at least one of the first communication signal and the second communication signal from the contact unit via the first switch and processes the received signal. The first switch is connected to the contact unit, and the signal processing unit is connected to the first switch.Type: GrantFiled: March 25, 2021Date of Patent: March 5, 2024Assignee: Electronics and Telecommunications Research InstituteInventors: Tae Wook Kang, Sung Eun Kim, Hyung-Il Park, Jae-Jin Lee, Hyuk Kim, Kyung Hwan Park, Mi Jeong Park, Kyung Jin Byun, Kwang Il Oh, In Gi Lim
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Patent number: 11922723Abstract: Provided is a mouth shape synthesis device and a method using an artificial neural network. To this end, an original video encoder that encodes original video data which is a target of a mouth shape synthesis as a video including a face of a synthesis target; an audio encoder that encodes audio data that is a basis for the mouth shape synthesis and outputs an audio embedding vector; and a synthesized video decoder that uses the original video embedding vector and the audio embedding vector as input data, and outputs synthesized video data in which a mouth shape corresponding to the audio data is synthesized on the synthesis target face may be provided.Type: GrantFiled: September 8, 2021Date of Patent: March 5, 2024Assignee: LIONROCKET INC.Inventors: Seung Hwan Jeong, Hyung Jun Moon, Jun Hyung Park
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Publication number: 20240069524Abstract: Disclosed is an apparatus for excitation signal generation for a resolver. The apparatus includes a sine wave generator that generates a sine wave based on a square wave, an amplifier that amplifies the sine wave, a differential signal generator that converts, into a differential signal, the amplified sine wave, a driver that inputs the differential signal to a coil, and a processor that generates an excitation signal by increasing a voltage of the sine wave from a start voltage to a target voltage through at least one of the sine wave generator and the amplifier based on a transient current that flows into the coil in a transient response interval.Type: ApplicationFiled: December 27, 2022Publication date: February 29, 2024Applicant: HYUNDAI MOBIS CO., LTD.Inventors: Yun Ho CHOI, Hyung Min PARK, Joo Won PARK, Yeon Ho KIM, Won Hee JO, Tae Hwan KANG, Beom Cheol CHO
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Publication number: 20230295424Abstract: The present invention relates to a composition for hydrogel formation, a hydrogel formed by photo-crosslinking same, and a method for preparing the hydrogel and, more specifically, to a composition which comprises a photo-initiator and a polyglutamic acid polymer having a photo-crosslinkable functional group introduced thereto and is capable of forming a hydrogel in real time through photo-crosslinking, to a hydrogel which is formed by photo-crosslinking the composition and can be utilized as a tissue adhesive, a surgical sealant, anti-adhesive agent, or the like due to excellent biocompatibility, superior adhesive strength in wet environments, flexibility, and ease of use, and to a method for preparing the hydrogel.Type: ApplicationFiled: August 5, 2021Publication date: September 21, 2023Applicant: SAMYANG HOLDINGS CORPORATIONInventors: Ji Hyun CHANG, Hyung Hwan KIM, Hye Sung YOON
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Patent number: 11638782Abstract: A sealant syringe assembly includes a first syringe including a plurality of chambers and discharging a first solution which is a mixture of a buffer solution and compound powder; a reaction solution syringe including at least one chamber and discharging a reaction solution capable of reacting with the first solution; and a connector for connecting the first syringe and the reaction solution syringe to mix and discharge the first solution and the reaction solution. The first syringe includes three packing members provided inside the first syringe; a passage provided in the inner circumferential surface of the first syringe; and a plunger for providing a pressure to one of the packing members.Type: GrantFiled: August 7, 2018Date of Patent: May 2, 2023Assignee: SAMYANG HOLDINGS CORPORATIONInventors: Young Joo Koh, Hyung Hwan Kim, Jung Ha Park
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Publication number: 20200316020Abstract: The present invention relates to a pharmaceutical composition for the prevention and treatment of blood-brain barrier disorder and central nervous system diseases containing fluoxetine and vitamin C as active ingredients.Type: ApplicationFiled: June 19, 2020Publication date: October 8, 2020Applicant: UNIVERSITY-INDUSTRY COOPERATION GROUP OF KYUNG HEE UNIVERSITYInventors: Tae Young Yune, Hyung-Hwan Baik, Jee Youn Lee, Sam Kim
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Patent number: 10772866Abstract: The present invention relates to a pharmaceutical composition for the prevention and treatment of blood-brain barrier disorder and central nervous system diseases containing fluoxetine and vitamin C as active ingredients.Type: GrantFiled: April 28, 2016Date of Patent: September 15, 2020Assignee: UNIVERSITY-INDUSTRY COOPERATION GROUP OF KYUNG HEE UNIVERSITYInventors: Tae Young Yune, Hyung-Hwan Baik, Jee Youn Lee, Sam Kim
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Publication number: 20200238009Abstract: The present invention relates to a sealant syringe assembly.Type: ApplicationFiled: August 7, 2018Publication date: July 30, 2020Applicant: SAMYANG BIOPHARMACEUTICALS CORPORATIONInventors: Young Joo KOH, Hyung Hwan KIM, Jung Ha PARK
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Patent number: 10683599Abstract: Provided is a washing machine including: a washing tub connected with an outer rotor and an outer shaft; a pulsator connected with an inner rotor and an inner shaft; and a planetary gear set mounted between the inner rotor and the pulsator and between the outer rotor and the washing tub, to thus reduce a rotational force of the inner shaft, wherein at least one of the pulsator and the washing tub is rotated during performing a washing stroke by allowing the washing tub to be rotated for a period of time when the pulsator is stopping, to thus minimize a washing machine stop time during performing a washing stroke to thereby enhance a running rate and improve washing efficiency.Type: GrantFiled: June 15, 2015Date of Patent: June 16, 2020Assignee: AMOTECH CO., LTD.Inventors: Byung Soo Kim, Hyung Hwan Ko, Hak Rok Kim, Se Ki Lee
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Publication number: 20190319498Abstract: Provided is a stator including: a plurality of stator cores; a bobbin wrapped around an outer circumferential surface of the stator core; and a coil wound around an outer circumferential surface of the bobbin, wherein each of the plurality of stator cores includes a first core portion that is formed by laminating a plurality of iron pieces, and around which a coil is wound, and a second core portion coupled to one end of the first core portion and disposed to face a magnet of a rotor and formed to be wider than an end surface area of the first core portion, and a motor having the same, to thus improve the efficiency of the motor.Type: ApplicationFiled: June 26, 2019Publication date: October 17, 2019Inventors: Byung Soo KIM, Hyung Hwan KO, Se Ki LEE
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Patent number: 10385498Abstract: Provided is a washing machine including: a washing tub connected with an outer rotor and an outer shaft; a pulsator connected with an inner rotor and an inner shaft; and a planetary gear set mounted between the inner rotor and the pulsator and between the outer rotor and the washing tub, to thus reduce a rotational force of the inner shaft, wherein the rotational force of the inner rotor is transmitted to the washing tub by the planetary gear set when a load is applied to the pulsator at the time of an initial start of the inner rotor, to thus lower a starting current and lower an end current at a time when the inner rotor is stopped, to thereby reduce power consumption.Type: GrantFiled: June 15, 2015Date of Patent: August 20, 2019Assignee: AMOTECH CO., LTD.Inventors: Byung Soo Kim, Hyung Hwan Ko, Hak Rok Kim, Se Ki Lee
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Patent number: 10362881Abstract: A foldable mattress support includes a headboard, a central hinge portion and first and second portions of a bedboard frame. The first and second portions are pivotally attached to the central hinge. A longer first strut is pivotally attached at a first location to a side bar of the first portion and at a third location to a post of the headboard. A shorter second strut is pivotally attached at a second location to the side bar and at a fourth location to the post. The second location is closer to the head end of the first portion than is the first location, and the fourth location is closer to the top of the post than is the third location. The struts rotate the headboard from an unfolded state that is perpendicular to the first portion down to being parallel and adjacent to the first portion in a collapsed state.Type: GrantFiled: January 20, 2018Date of Patent: July 30, 2019Assignee: Best Price Mattress Inc.Inventor: Hyung Hwan An
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Patent number: 10323350Abstract: Provided is a washing machine motor including: an inner rotor connected with an outer shaft; an outer rotor connected with an inner shaft; and a stator disposed with an air gap between the inner rotor and the outer rotor, wherein the outer shaft is rotated at the same speed as that of the inner rotor, and the rotational speed of the inner shaft is decelerated compared to that of the outer rotor so as to increase a torque, and wherein a first bearing and a second bearing are disposed on an outer surface of the outer shaft in order to rotatably support the outer shaft, and the first bearing is mounted in the stator. The washing machine motor includes a planetary gear set that decelerates the rotational speed of the inner shafts and increases the torque, to thereby implement a large-capacity washing machine.Type: GrantFiled: July 18, 2014Date of Patent: June 18, 2019Assignee: AMOTECH CO., LTD.Inventors: Byung Soo Kim, Hyung Hwan Ko
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Patent number: 10301761Abstract: A washing machine driving apparatus comprises: a drive motor of a double rotor-double stator structure where the drive motor comprises an inner rotor and an outer rotor controllable independently by a double stator, and optionally generating inner rotor output and outer rotor output; a first inner shaft transferring the inner rotor output as a first input; a first outer shaft rotatably coupled to an outer periphery of the first inner shaft, and transferring the outer rotor output as a second input; a planetary gear unit where a gear ratio of a transmission output generated from a carrier is controlled by the second input applied to a ring gear through the first outer shaft, when the first input is applied to a sun gear through the first inner shaft; and a protection unit protecting the inner rotor where an outer peripheral portion of protection unit is supported by the double stator.Type: GrantFiled: April 29, 2015Date of Patent: May 28, 2019Assignee: AMOTECH CO., LTD.Inventors: Byung Soo Kim, Hyung Hwan Ko, Hak Rok Kim, Se Ki Lee
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Patent number: 10050502Abstract: A double stator includes: a stator core; a bobbin wrapped on an outer circumferential surface of the stator core; and a first coil wound on one side of the stator core and a second coil wound on the other side of the stator core. The stator core includes: a lamination type core portion formed by laminating a plurality of iron pieces, on an outer surface of which a first press-fit groove is formed, and on an inner surface of which a second press-fit groove is formed; a first integration type core portion fixed to the first press-fit groove of the lamination type core portion, integrally formed by metal powders, and on which a first coil is wound; and a second integration type core portion fixed to the second press-fit groove of the lamination type core portion, integrally formed by metal powders, and on which a second coil is wound.Type: GrantFiled: February 3, 2016Date of Patent: August 14, 2018Assignee: AMOTECH CO., LTD.Inventors: Byung Soo Kim, Hak Rok Kim, Hyung Hwan Ko
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Patent number: 9988752Abstract: Provided are a washing machine motor including: an outer shaft connected to a washing tub; an inner shaft rotatably disposed inside the outer shaft and connected to a pulsator; an inner rotor connected to the outer shaft; an outer rotor connected to the inner shaft; a stator disposed between the inner rotor and the outer rotor with an air gap; and a planetary gear setmounted on the inner shaft so as to reduce a rotational speed. The washing machine motor includes the planetary gear set which increases a torque by reducing a rotational speed in the inner shaft connected to the pulsator to thereby allow implementation of a large-capacity washing machine.Type: GrantFiled: July 18, 2014Date of Patent: June 5, 2018Assignee: AMOTECH CO., LTD.Inventors: Byung Soo Kim, Hyung Hwan Ko
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Publication number: 20180140104Abstract: A foldable mattress support includes a headboard, a central hinge portion and first and second portions of a bedboard frame. The first and second portions are pivotally attached to the central hinge. A longer first strut is pivotally attached at a first location to a side bar of the first portion and at a third location to a post of the headboard. A shorter second strut is pivotally attached at a second location to the side bar and at a fourth location to the post. The second location is closer to the head end of the first portion than is the first location, and the fourth location is closer to the top of the post than is the third location. The struts rotate the headboard from an unfolded state that is perpendicular to the first portion down to being parallel and adjacent to the first portion in a collapsed state.Type: ApplicationFiled: January 20, 2018Publication date: May 24, 2018Inventor: Hyung Hwan An