Patents by Inventor Sang-uk Ryu
Sang-uk Ryu 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).
-
Patent number: 11962990Abstract: In general, disclosed is a device that includes one or more processors, coupled to the memory, configured to perform an energy analysis with respect to one or more audio objects, in the ambisonics domain, in the first time segment. The one or more processors are also configured to perform a similarity measure between the one or more audio objects, in the ambisonics domain, in the first time segment, and the one or more audio objects, in the ambisonics domain, in the second time segment. In addition, the one or more processors are configured to perform a reorder of the one or more audio objects, in the ambisonics domain, in the first time segment with the one or more audio objects, in the ambisonics domain, in the second time segment, to generate one or more reordered audio objects in the first time segment.Type: GrantFiled: October 11, 2021Date of Patent: April 16, 2024Assignee: QUALCOMM IncorporatedInventors: Dipanjan Sen, Sang-Uk Ryu
-
Publication number: 20240098444Abstract: In one aspect, a computer-implemented method, includes obtaining object audio and metadata that spatially describes the object audio, converting the object audio to Ambisonics audio based on the metadata, encoding, in a first bit stream, the Ambisonics audio, and encoding, in a second bit stream, at least a subset of the metadata.Type: ApplicationFiled: August 23, 2023Publication date: March 21, 2024Inventors: Sina Zamani, Moo Young Kim, Dipanjan Sen, Sang Uk Ryu, Juha O. Merimaa, Symeon Delikaris Manias
-
Publication number: 20240096335Abstract: In one aspect, a computer-implemented method, includes obtaining object audio and metadata that spatially describes the object audio, converting the object audio to time-frequency domain Ambisonics audio based on the metadata, and encoding the time-frequency domain Ambisonics audio and a subset of the metadata as one or more bitstreams to be stored in computer-readable memory or transmitted to a remote device.Type: ApplicationFiled: August 23, 2023Publication date: March 21, 2024Inventors: Sina Zamani, Moo Young Kim, Dipanjan Sen, Sang Uk Ryu, Juha O. Merimaa, Symeon Delikaris Manias
-
Publication number: 20230344080Abstract: Disclosed is a separator for a lithium secondary battery including a porous polymer substrate and a hydrophilic modification layer disposed inside of the porous polymer substrate, or disposed inside of the porous polymer substrate and on at least one surface of the porous polymer substrate, the hydrophilic modification layer including a polymer compound represented by the disclosed Chemical Formula 1 and a surfactant. According to an embodiment of the present disclosure, it is possible to increase the electrolyte wettability and lithium-ion transport rate in a separator by using a polymer compound having a specific structure and a surfactant. Therefore, a battery using the separator may provide improved output characteristics and cycle characteristics.Type: ApplicationFiled: September 27, 2021Publication date: October 26, 2023Applicant: LG Chem, Ltd.Inventors: Kong-Kyeom Kim, Hyok-Joon Kwon, A-Young Lee, Joo-Sung Lee, Sang-Uk Ryu, Min-Choon Park
-
Publication number: 20230283977Abstract: A data structure stored in memory includes a scene description that defines a hierarchy of scene components that are in digital audio content received from a producer. The hierarchy has several stages including a fourth stage in which a scene composition is defined that contains all scene components needed to render the digital audio content in a single presentation, for instance as intended by the producer, and for input to a spatial audio renderer, wherein the scene composition contains one or more composition selection groups. Other aspects are also described and claimed.Type: ApplicationFiled: February 14, 2023Publication date: September 7, 2023Inventors: Frank BAUMGARTE, Moo Young KIM, Dipanjan SEN, Sang Uk RYU
-
Publication number: 20230108378Abstract: A method includes receiving first data associated with a first power amplifier and second data associated with a second power amplifier. The method also includes generating a first amplitude limiting signal having gain parameters that are based on the first data and the second data. The first data includes at least one of a temperature measurement associated with the first power amplifier, a supply voltage measurement associated with the first power amplifier, a load resistance associated with the first power amplifier, or a gain associated with the first power amplifier. The method further includes modifying an audio signal based at least in part on the first amplitude limiting signal to generate a first gain-adjusted audio signal. The method also includes providing a first output audio signal to the first power amplifier for amplification. The first output audio signal is based at least in part on the first gain-adjusted audio signal.Type: ApplicationFiled: September 21, 2021Publication date: April 6, 2023Inventors: Earl Schreyer, Sherif Galal, Sang-Uk Ryu, Hui-ya Liao Nelson, Subbarao Surendra Chakkirala, Shreyas Srikanth Payal
-
Patent number: 11450305Abstract: Aspects of the disclosure relate to using a display as a sound emitter and may relate to an electronic device including a display. In particular a vibration sensor such as an accelerometer is physically coupled to the display and senses display vibration to provide a high accuracy feedback loop with respect to representing actual audio output from the display. The electronic device includes an actuator physically coupled to the display and configured to cause vibration of the display in response to an audio signal. The electronic device further includes a vibration sensor physically coupled to the display and configured to output a vibration sensor signal proportional to the vibration of the display due to the actuator. The electronic device further includes a processor operably coupled to the vibration sensor. The processor is configured to adjust the audio signal based on the vibration sensor signal from the vibration sensor.Type: GrantFiled: February 20, 2020Date of Patent: September 20, 2022Assignee: QUALCOMM IncorporatedInventors: Ricardo De Jesus Bernal Castillo, Wade Heimbigner, Andre Gustavo Schevciw, Sang-Uk Ryu
-
Patent number: 11348567Abstract: Aspects of the disclosure relate to using a display as a sound emitter and may relate to an electronic device including a display. In particular a vibration sensor such as an accelerometer is physically coupled to the display and senses display vibration to provide a high accuracy feedback loop with respect to representing actual audio output from the display. The electronic device includes an actuator physically coupled to the display and configured to cause vibration of the display in response to an audio signal. The electronic device further includes a vibration sensor physically coupled to the display and configured to output a vibration sensor signal proportional to the vibration of the display due to the actuator.Type: GrantFiled: February 20, 2020Date of Patent: May 31, 2022Assignee: QUALCOMM IncorporatedInventors: Ricardo De Jesus Bernal Castillo, Wade Heimbigner, Dinesh Ramakrishnan, Andre Schevciw, Sang-Uk Ryu
-
Publication number: 20220030372Abstract: In general, disclosed is a device that includes one or more processors, coupled to the memory, configured to perform an energy analysis with respect to one or more audio objects, in the ambisonics domain, in the first time segment. The one or more processors are also configured to perform a similarity measure between the one or more audio objects, in the ambisonics domain, in the first time segment, and the one or more audio objects, in the ambisonics domain, in the second time segment. In addition, the one or more processors are configured to perform a reorder of the one or more audio objects, in the ambisonics domain, in the first time segment with the one or more audio objects, in the ambisonics domain, in the second time segment, to generate one or more reordered audio objects in the first time segment.Type: ApplicationFiled: October 11, 2021Publication date: January 27, 2022Inventors: Dipanjan Sen, Sang-Uk Ryu
-
Patent number: 11194194Abstract: An optical device is disclosed herein. In some embodiments, an optical device includes an active liquid crystal element, wherein the active liquid crystal element comprises two base layers, an active liquid crystal layer disposed between the two base layers, wherein the active liquid crystal layer includes a liquid crystal compound and is capable of switching between first and second oriented states, and a hard coating layer formed on one of the base layers, wherein the hard coating layer is formed on an active liquid crystal layer-facing surface or an opposite surface of the base layer, and wherein the hard coating layer having a thickness of 2 ?m or more. The optical device is capable of varying transmittance, and can be used for various applications such as eyewear, for example, sunglasses or AR (augmented reality) or VR (virtual reality) eyewear, an outer wall of a building or a vehicle sunroof.Type: GrantFiled: August 29, 2018Date of Patent: December 7, 2021Inventors: Jung Woon Kim, Su Young Ryu, Tae Yong Kim, Doo Young Huh, Byoung Kun Jeon, Sang Uk Ryu
-
Patent number: 11146903Abstract: In general, techniques are described for compressing decomposed representations of a sound field. A device comprising one or more processors may be configured to perform the techniques. The one or more processors may be configured to obtain a bitstream comprising a compressed version of a spatial component of a sound field, the spatial component generated by performing a vector based synthesis with respect to a plurality of spherical harmonic coefficients.Type: GrantFiled: May 28, 2014Date of Patent: October 12, 2021Assignee: Qualcomm IncorporatedInventors: Dipanjan Sen, Sang-Uk Ryu
-
Publication number: 20210223865Abstract: Various aspects of the present disclosure generally relate to haptic feedback. In some aspects, a device may receive an input identifying a one-cycle induced acceleration waveform associated with a haptic device, a resonant frequency associated with the haptic device, and a target acceleration waveform for the haptic device. The device may determine a plurality of weights based at least in part on the input. The device may generate a playback waveform based at least in part on the plurality of weights. The device may provide the playback waveform as input to the haptic device. Numerous other aspects are provided.Type: ApplicationFiled: January 20, 2020Publication date: July 22, 2021Inventors: Van NGUYEN, Sang-Uk RYU, Shreyas Srikanth PAYAL, Hui-ya Liao NELSON
-
Patent number: 10882275Abstract: A gas barrier film with a protective layer including inorganic particles is provided. A gas barrier effect of the gas barrier film is improved by including inorganic nanoparticles in a protective layer when a protective coating is performed to protect a gas barrier layer.Type: GrantFiled: November 29, 2013Date of Patent: January 5, 2021Assignee: LG CHEM, LTD.Inventors: Sang Uk Ryu, Dong Ryul Kim, Jong Min Moon
-
Patent number: 10858537Abstract: The present application relates to gas barrier film having excellent adhesive strength and a method of manufacturing the same. Particularly, the present application is directed to providing a gas barrier film having excellent adhesion performance between an inorganic layer and a protective coating layer under harsh conditions by protective coating layer including inorganic nano particles surface-modified with organic silane on the inorganic layer.Type: GrantFiled: November 26, 2014Date of Patent: December 8, 2020Assignee: LG CHEM, LTD.Inventors: Sang Uk Ryu, Dong Ryul Kim, Seung Lac Ma, Jang Yeon Hwang, Jong Min Moon
-
Publication number: 20200275222Abstract: Aspects of the disclosure relate to using a display as a sound emitter and may relate to an electronic device including a display. In particular a vibration sensor such as an accelerometer is physically coupled to the display and senses display vibration to provide a high accuracy feedback loop with respect to representing actual audio output from the display. The electronic device includes an actuator physically coupled to the display and configured to cause vibration of the display in response to an audio signal. The electronic device further includes a vibration sensor physically coupled to the display and configured to output a vibration sensor signal proportional to the vibration of the display due to the actuator. The electronic device further includes a processor operably coupled to the vibration sensor. The processor is configured to adjust the audio signal based on the vibration sensor signal from the vibration sensor.Type: ApplicationFiled: February 20, 2020Publication date: August 27, 2020Inventors: Ricardo De Jesus BERNAL CASTILLO, Wade HEIMBIGNER, Andre Gustavo SCHEVCIW, Sang-Uk RYU
-
Publication number: 20200275221Abstract: Aspects of the disclosure relate to using a display as a sound emitter and may relate to an electronic device including a display. In particular a vibration sensor such as an accelerometer is physically coupled to the display and senses display vibration to provide a high accuracy feedback loop with respect to representing actual audio output from the display. The electronic device includes an actuator physically coupled to the display and configured to cause vibration of the display in response to an audio signal. The electronic device further includes a vibration sensor physically coupled to the display and configured to output a vibration sensor signal proportional to the vibration of the display due to the actuator.Type: ApplicationFiled: February 20, 2020Publication date: August 27, 2020Inventors: Ricardo De Jesus BERNAL CASTILLO, Wade HEIMBIGNER, Dinesh RAMAKRISHNAN, Andre Gustavo SCHEVCIW, Sang-Uk RYU
-
Publication number: 20200241338Abstract: The present application relates to an optical device. The present application provides an optical device capable of varying transmittance, and such an optical device can be used for various applications such as eyewear, for example, sunglasses or AR (augmented reality) or VR (virtual reality) eyewear, an outer wall of a building or a vehicle sunroof.Type: ApplicationFiled: August 29, 2018Publication date: July 30, 2020Applicant: LG Chem, Ltd.Inventors: Jung Woon Kim, Su Young Ryu, Tae Yong Kim, Doo Young Huh, Byoung Kun Jeon, Sang Uk Ryu
-
Patent number: 10499176Abstract: In general, techniques are described for identifying a codebook to be used when compressing spatial components of a sound field. A device comprising one or more processors may be configured to perform the techniques. The one or more processors may be configured to identify a Huffman codebook to use when compressing a spatial component of a plurality of spatial components based on an order of the spatial component relative to remaining ones of the plurality of spatial components, the spatial component generated by performing a vector based synthesis with respect to a plurality of spherical harmonic coefficients.Type: GrantFiled: May 28, 2014Date of Patent: December 3, 2019Assignee: Qualcomm IncorporatedInventors: Dipanjan Sen, Sang-Uk Ryu
-
Patent number: 9980074Abstract: In general, techniques are described for determining quantization step sizes for compression of spatial components of a sound field. A device comprising one or more processors may be configured to perform the techniques. In other words, the one or more processors may be configured to determine a quantization step size to be used when compressing a spatial component of a sound field, where the spatial component generated by performing a vector based synthesis with respect to a plurality of spherical harmonic coefficients.Type: GrantFiled: May 28, 2014Date of Patent: May 22, 2018Assignee: QUALCOMM IncorporatedInventors: Dipanjan Sen, Sang-Uk Ryu
-
Patent number: 9884469Abstract: The present invention provides a multilayered plastic substrate that simultaneously satisfies improvement in high temperature thermal deformation according to low linear expansion coefficient and excellent dimensional stability and excellent gas barrier property, and is capable of being used instead of a glass substrate that has brittleness and heavy disadvantages without a problem caused by a difference in linear expansion coefficient between layers, and a method for manufacturing the same.Type: GrantFiled: November 19, 2009Date of Patent: February 6, 2018Assignee: LG CHEM, LTD.Inventors: Seung-Lac Ma, Dong-Ryul Kim, Gi-Cheul Kim, Sang-Uk Ryu, Ho-Jun Lee, Eun-Sil Lee, Jang-Yeon Hwang