Patents by Inventor Yonghwan Hwang
Yonghwan Hwang 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: 20240001864Abstract: A vehicle and a controlling method of the same include a speaker outputting virtual engine sound integrated with a head lamp. The vehicle includes the head lamp; a head lamp case in which the head lamp is provided; a speaker for outputting a virtual engine sound, and provided inside the head lamp case; and a temperature sensor configured to sense an internal temperature of the head lamp case; where an internal cross-sectional area of the head lamp case may increase in a direction toward a front of the vehicle based on a position where the speaker is provided.Type: ApplicationFiled: September 18, 2023Publication date: January 4, 2024Inventor: Yonghwan Hwang
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Patent number: 11807170Abstract: A vehicle and a controlling method of the same include a speaker outputting virtual engine sound integrated with a head lamp. The vehicle includes the head lamp; a head lamp case in which the head lamp is provided; and a speaker for outputting a virtual engine sound, and provided inside the head lamp case, where an internal cross-sectional area of the head lamp case may increase in a direction toward a front of the vehicle based on a position where the speaker is provided.Type: GrantFiled: October 31, 2022Date of Patent: November 7, 2023Assignees: Hyundai Motor Company, Kia CorporationInventor: Yonghwan Hwang
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Publication number: 20230125786Abstract: A speaker includes a housing including a front housing provided in a conductive material; a driver including a diaphragm; a magnetic circuit including a permanent magnet; and an electric circuit including a voice coil to which current is applied based on an input electrical signal, and a first electric circuit configured to vibrate the driver based on the voice coil and a magnetic field formed by the magnetic circuit; wherein the diaphragm include a coating that is surface-coated with a conductive material so as to have a capacitance with the front housing.Type: ApplicationFiled: August 17, 2022Publication date: April 27, 2023Applicants: Hyundai Motor Company, KIA CORPORATIONInventor: Yonghwan HWANG
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Publication number: 20230049494Abstract: A vehicle and a controlling method of the same include a speaker outputting virtual engine sound integrated with a head lamp. The vehicle includes the head lamp; a head lamp case in which the head lamp is provided; and a speaker for outputting a virtual engine sound, and provided inside the head lamp case, where an internal cross-sectional area of the head lamp case may increase in a direction toward a front of the vehicle based on a position where the speaker is provided.Type: ApplicationFiled: October 31, 2022Publication date: February 16, 2023Inventor: Yonghwan Hwang
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Patent number: 11560102Abstract: A vehicle and a controlling method of the same include a speaker outputting virtual engine sound integrated with a head lamp. The vehicle includes the head lamp; a head lamp case in which the head lamp is provided; and a speaker for outputting a virtual engine sound, and provided inside the head lamp case, where an internal cross-sectional area of the head lamp case may increase in a direction toward a front of the vehicle based on a position where the speaker is provided.Type: GrantFiled: September 21, 2020Date of Patent: January 24, 2023Assignees: Hyundai Motor Company, Kia Motors CorporationInventor: Yonghwan Hwang
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Patent number: 11523222Abstract: A flat speaker includes a plurality of horizontal frames provided on a substrate and dividing the substrate into a plurality of rows, a plurality of vertical frames provided on the substrate and dividing each of the plurality of rows into a plurality of columns, a plurality of piezoelectric elements provided on each side of the plurality of vertical frames and configured to contract and expand according to a voltage signal, a plurality of electrodes configured to apply the voltage signal to the piezoelectric elements, and a controller configured to control the voltage signal applied to the plurality of electrodes.Type: GrantFiled: April 30, 2021Date of Patent: December 6, 2022Assignees: Hyundai Motor Company, Kia CorporationInventor: Yonghwan Hwang
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Patent number: 11381916Abstract: A vehicle speaker system uses a speaker system of a personal mobility device including a main body configured to generate power with a battery, a steering unit connected to the main body to regulate a driving direction and in which a speaker is installed, wheels installed on the main body and the steering unit and rotated by power generated from the main body, and a controller configured to control the speaker, wherein the speaker generates a virtual engine sound when driving.Type: GrantFiled: September 30, 2020Date of Patent: July 5, 2022Assignees: Hyundai Motor Company, Kia Motors CorporationInventor: Yonghwan Hwang
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Patent number: 11323821Abstract: A vibration speaker may include a vibration plate fixed to a housing, a vibrator mounted in the housing to vibrate in a vibration direction of the vibration plate and having a magnet forming a magnetic field, a voice coil member configured to vibrate the vibration plate through interaction of the magnet with the vibrator, and a vibration transmission member configured to support the voice coil member in a state of being fixed to an internal surface of the vibration plate and transmit vibration of the voice coil member to the vibration plate, wherein the vibration transmission member includes a spacing support portion fixed to the voice coil member to be spaced from the internal surface of the vibration plate, and a vibration transmission portion protruding from the spacing support portion to be fixed to the internal surface of the vibration plate.Type: GrantFiled: September 30, 2020Date of Patent: May 3, 2022Assignees: Hyundai Motor Company, Kia Motors Corporation, Postech Academy-Industry FoundationInventors: Youngbeom Kim, Minsik Yang, Yonghwan Hwang, Won Kyu Moon, Ingyu Lee
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Publication number: 20220109937Abstract: A flat speaker includes a plurality of horizontal frames provided on a substrate and dividing the substrate into a plurality of rows, a plurality of vertical frames provided on the substrate and dividing each of the plurality of rows into a plurality of columns, a plurality of piezoelectric elements provided on each side of the plurality of vertical frames and configured to contract and expand according to a voltage signal, a plurality of electrodes configured to apply the voltage signal to the piezoelectric elements, and a controller configured to control the voltage signal applied to the plurality of electrodes.Type: ApplicationFiled: April 30, 2021Publication date: April 7, 2022Inventor: Yonghwan Hwang
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Patent number: 11272291Abstract: A multilayer panel speaker includes a yoke having a bottom portion and a side portion, a first vibration panel fixed to the bottom portion and supported by a frame, and a second vibration panel fixed to the side portion. By using a multilayer panel, it is possible to improve high frequency and low frequency sensitivity in the multilayer panel speaker.Type: GrantFiled: September 30, 2020Date of Patent: March 8, 2022Assignees: Hyundai Motor Company, Kia Motors CorporationInventor: Yonghwan Hwang
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Patent number: 11183053Abstract: A vehicle may include a speaker; a display; a plurality of microphones configured to receive sound waves outside the vehicle; and a controller connected to the speaker, the display, and the plurality of microphones, and configured to determine sound wave characteristics of a terrain around a road on which the vehicle travels, based on map information, to determine a direct wave and a reflected wave of the received sound waves based on the terrain, the determined sound wave characteristics of the terrain, and the received sound waves, to determine a position and a velocity of an object that has generated the received sound waves based on the direct wave and the reflected wave, and to control at least one of the speaker and the display to output information on the position and the velocity of the object.Type: GrantFiled: July 25, 2019Date of Patent: November 23, 2021Assignees: Hyundai Motor Company, Kia Motors CorporationInventor: Yonghwan Hwang
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Patent number: 11180087Abstract: A vehicle and a method of controlling the vehicle are provided. The vehicle may include: a speaker configured to output a sound into the vehicle; a detector configured to measure internal environment information representing an environment inside the vehicle and a noise factor determining a noise generated in the vehicle; and a controller configured to determine a tuning value based on a type of sound, to adjust the tuning value to correspond to at least one of the internal environment information or the noise factor, to adjust the sound by adjusting at least one of a size or a phase based on the adjusted tuning value, and to control the speaker to output the adjusted sound.Type: GrantFiled: October 8, 2019Date of Patent: November 23, 2021Assignees: Hyundai Motor Company, Kia Motors CorporationInventor: Yonghwan Hwang
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Patent number: 11153679Abstract: A broadband speaker includes: a first vibration plate configured to operate in a high frequency band, a second vibration plate disposed coaxially outside the first vibration plate, a first voice coil connected to the first vibration plate to vibrate the first vibration plate, a second voice coil disposed coaxially outside the first voice coil and connected to the second vibration plate, a magnet assembly configured to form a magnetic field, an amplifier configured to apply a first output signal of a high frequency band to the first voice coil and a second output signal of a frequency band lower than that of the first output signal to the second voice coil, and a controller configured to control the amplifier to apply a signal for suppressing vibration of the second vibration plate to the second voice coil when the first output signal is applied to the first voice coil.Type: GrantFiled: November 5, 2020Date of Patent: October 19, 2021Assignees: Hyundai Motor Company, Kia Motors CorporationInventor: Yonghwan Hwang
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Publication number: 20210321195Abstract: A vehicle speaker system uses a speaker system of a personal mobility device including a main body configured to generate power with a battery, a steering unit connected to the main body to regulate a driving direction and in which a speaker is installed, wheels installed on the main body and the steering unit and rotated by power generated from the main body, and a controller configured to control the speaker, wherein the speaker generates a virtual engine sound when driving.Type: ApplicationFiled: September 30, 2020Publication date: October 14, 2021Inventor: Yonghwan Hwang
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Publication number: 20210321200Abstract: A vibration speaker may include a vibration plate fixed to a housing, a vibrator mounted in the housing to vibrate in a vibration direction of the vibration plate and having a magnet forming a magnetic field, a voice coil member configured to vibrate the vibration plate through interaction of the magnet with the vibrator, and a vibration transmission member configured to support the voice coil member in a state of being fixed to an internal surface of the vibration plate and transmit vibration of the voice coil member to the vibration plate, wherein the vibration transmission member includes a spacing support portion fixed to the voice coil member to be spaced from the internal surface of the vibration plate, and a vibration transmission portion protruding from the spacing support portion to be fixed to the internal surface of the vibration plate.Type: ApplicationFiled: September 30, 2020Publication date: October 14, 2021Applicants: Hyundai Motor Company, Kia Motors Corporation, Postech Academy-Industry FoundationInventors: Youngbeom KIM, Minsik YANG, Yonghwan HWANG, Won Kyu MOON, Ingyu LEE
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Publication number: 20210314709Abstract: A multilayer panel speaker includes a yoke having a bottom portion and a side portion, a first vibration panel fixed to the bottom portion and supported by a frame, and a second vibration panel fixed to the side portion. By using a multilayer panel, it is possible to improve high frequency and low frequency sensitivity in the multilayer panel speaker.Type: ApplicationFiled: September 30, 2020Publication date: October 7, 2021Inventor: Yonghwan Hwang
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Patent number: 11102598Abstract: A personal air vehicle (PAV) and a control method thereof are provided for compensating for distortion in a speaker due to changes in altitude. The. PAV provides communication through a speaker in an emergency. In particular, the PAV includes an air pressure sensor that is configured to sense external air pressure and a propulsion device that is configured to supply propulsion for flight. A speaker is provided and includes an enclosure having a preset internal air pressure. A controller is configured to adjust an acoustic signal supplied to the speaker based on a difference value between the external air pressure and the internal air pressure changing according to altitude.Type: GrantFiled: September 22, 2020Date of Patent: August 24, 2021Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Youngbeom Kim, Yonghwan Hwang
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Publication number: 20210253036Abstract: A vehicle and a controlling method of the same include a speaker outputting virtual engine sound integrated with a head lamp. The vehicle includes the head lamp; a head lamp case in which the head lamp is provided; and a speaker for outputting a virtual engine sound, and provided inside the head lamp case, where an internal cross-sectional area of the head lamp case may increase in a direction toward a front of the vehicle based on a position where the speaker is provided.Type: ApplicationFiled: September 21, 2020Publication date: August 19, 2021Inventor: Yonghwan Hwang
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Publication number: 20210250714Abstract: A personal air vehicle (PAV) and a control method thereof are provided for compensating for distortion in a speaker due to changes in altitude. The. PAV provides communication through a speaker in an emergency. In particular, the PAV includes an air pressure sensor that is configured to sense external air pressure and a propulsion device that is configured to supply propulsion for flight. A speaker is provided and includes an enclosure having a preset internal air pressure. A controller is configured to adjust an acoustic signal supplied to the speaker based on a difference value between the external air pressure and the internal air pressure changing according to altitude.Type: ApplicationFiled: September 22, 2020Publication date: August 12, 2021Inventors: Youngbeom Kim, Yonghwan Hwang
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Publication number: 20210001781Abstract: A vehicle and a method of controlling the vehicle are provided. The vehicle may include: a speaker configured to output a sound into the vehicle; a detector configured to measure internal environment information representing an environment inside the vehicle and a noise factor determining a noise generated in the vehicle; and a controller configured to determine a tuning value based on a type of sound, to adjust the tuning value to correspond to at least one of the internal environment information or the noise factor, to adjust the sound by adjusting at least one of a size or a phase based on the adjusted tuning value, and to control the speaker to output the adjusted sound.Type: ApplicationFiled: October 8, 2019Publication date: January 7, 2021Applicants: Hyundai Motor Company, Kia Motors CorporationInventor: Yonghwan Hwang