Patents by Inventor Sung Chun
Sung Chun 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: 20230054918Abstract: Methods, systems, and apparatus for motion-based human video detection are disclosed. A method includes generating a representation of a difference between two frames of a video; providing, to an object detector, a particular frame of the two frames and the representation of the difference between two frames of the video; receiving an indication that the object detector detected an object in the particular frame; determining that detection of the object in the particular frame was a false positive detection; determining an amount of motion energy where the object was detected in the particular frame; and training the object detector based on penalization of the false positive detection in accordance with the amount of motion energy where the object was detected in the particular frame.Type: ApplicationFiled: November 4, 2022Publication date: February 23, 2023Inventors: Sima Taheri, Gang Qian, Sung Chun Lee, Sravanthi Bondugula, Allison Beach
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Patent number: 11580333Abstract: Methods, systems, an apparatus, including computer programs encoded on a storage device, for training an image classifier. A method includes receiving an image that includes a depiction of an object; generating a set of poorly localized bounding boxes; and generating a set of accurately localized bounding boxes. The method includes training, at a first learning rate and using the poorly localized bounding boxes, an object classifier to classify the object; and training, at a second learning rate that is lower than the first learning rate, and using the accurately localized bounding boxes, the object classifier to classify the object. The method includes receiving a second image that includes a depiction of an object; and providing, to the trained object classifier, the second image. The method includes receiving an indication that the object classifier classified the object in the second image; and performing one or more actions.Type: GrantFiled: November 3, 2020Date of Patent: February 14, 2023Assignee: ObjectVideo Labs, LLCInventors: Sravanthi Bondugula, Gang Qian, Sung Chun Lee, Sima Taheri, Allison Beach
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Publication number: 20230044233Abstract: Methods, systems, and apparatus, including computer programs encoded on computer storage media, for fast user enrollment for facial recognition using face clustering. One of the methods includes identifying, from a set of face images of faces, clusters of face images, where the clusters of face images include a particular cluster; receiving, from a device, an indication that the particular cluster includes a first subcluster of face images that depict a first person and a second subcluster of face images that depict a second person; in response to receiving the indication, determining that a number of face images in the first subcluster of face images that depict the first person does not satisfy an enrollment criteria; identifying another cluster of face images that depict the first person; and enrolling, in a facial recognition database, the first person using the other cluster of face images.Type: ApplicationFiled: August 2, 2022Publication date: February 9, 2023Inventors: Yuanwei Wu, Gang Qian, Sung Chun Lee, Allison Beach
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Publication number: 20230030884Abstract: Methods, systems, an apparatus, including computer programs encoded on a storage device, for tracking human movement in video images. A method includes obtaining a first image of a scene captured by a camera; identifying a bounding box around a human detected in the first image; determining a scale amount that corresponds to a size of the bounding box; obtaining a second image of the scene captured by the camera after the first image was captured; and detecting the human in the second image based on both the first image scaled by the scale amount and the second image scaled by the scale amount. Detecting the human in the second image can include identifying a second scaled bounding box around the human detected in the second image scaled by the scale amount.Type: ApplicationFiled: October 11, 2022Publication date: February 2, 2023Inventors: Sung Chun Lee, Gang Qian, Sima Taheri, Sravanthi Bondugula, Allison Beach
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Publication number: 20230028568Abstract: The present description relates to the field of fabricating microelectronic devices having non-planar transistors. Embodiments of the present description relate to the formation of source/drain contacts within non-planar transistors, wherein a titanium-containing contact interface may be used in the formation of the source/drain contact with a discreet titanium silicide formed between the titanium-containing interface and a silicon-containing source/drain structure.Type: ApplicationFiled: September 30, 2022Publication date: January 26, 2023Applicant: Intel CorporationInventors: Sameer S. Pradhan, Subhash M. Joshi, Jin-Sung Chun
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Patent number: 11551871Abstract: A dielectric composition includes a ceramic powder, a high polymerization binder, and a low polymerization binder type dispersant having a degree of polymerization between 100 and 1,000.Type: GrantFiled: January 14, 2021Date of Patent: January 10, 2023Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Jin Sung Chun, Seul Gi Kim, Hyo Kyong Seo, Hae Suk Chung, Byung Sung Kang
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Patent number: 11544505Abstract: Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for semi-supervised training of an object recognition model. The methods, systems, and apparatus include a monitoring system including a camera located at a property and configured to generate images and one or more computers and one or more storage devices storing instructions that are operable, when executed by the one or more computers, to cause the one or more computers to perform actions of determining a cluster of images meets a threshold for number of included images and a threshold for cluster tightness. A representative image of the cluster is selected and a query including the representative image of the cluster is provided. User feedback responsive to the query is received and an object recognition model is updated based on the user feedback.Type: GrantFiled: March 25, 2020Date of Patent: January 3, 2023Assignee: Alarm.com IncorporatedInventors: Allison Beach, Benjamin Asher Berg, Sung Chun Lee, Sima Taheri, Sravanthi Bondugula, Nafiseh Salmani Niyasar, Gang Qian
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Publication number: 20220416669Abstract: A DC-DC converter including a first power supply including a first converter outputting a first power voltage, a first sensor detecting a panel current from an output of the first converter; and a first output group including a plurality of inverting converters outputting a second power voltage based on the panel current; a second power supply including a second converter outputting the first power voltage, and a second output group including a plurality of inverting converters outputting the second power voltage based on the panel current; and a first phase controller controlling operations of the inverting converters included in each of the first and second output groups based on the detected panel current. The second power supply operates when the panel current exceeds a predetermined enable value.Type: ApplicationFiled: September 1, 2022Publication date: December 29, 2022Applicant: Samsung Display Co., Ltd.Inventor: Sung Chun PARK
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Patent number: 11538630Abstract: A method of producing a core-shell particle includes introducing a barium titanate-based base powder and an additive to a reactor, and exposing the barium titanate-based base powder and the additive to a thermal plasma torch to obtain core-shell particles including a core portion having barium titanate (BaTiO3) and a shell portion including the additive and formed on a surface of the core portion.Type: GrantFiled: May 1, 2020Date of Patent: December 27, 2022Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Jin Sung Chun, Hae Suk Chung, Byung Sung Kang, Yun Jung Park, Young Hoon Song
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Patent number: 11536775Abstract: Disclosed is a system for predicting the lifetime of a battery being chargeable and dischargeable using charge-discharge characteristics in a Battery Management System (BMS). The system includes: a battery state measurement unit measuring a voltage, a State of Charge (SOC), and a Depth of Discharge (DOD) of a battery while charging and discharging the battery with changing charge current and discharge current; an irreversible energy amount deriving unit deriving an irreversible energy amount (Qir) that is generated when the battery is charged/discharged from the voltage and the SOC using enthalpy and entropy theory; and a remaining lifetime prediction unit predicting a remaining lifetime of the battery from the derived irreversible energy amount (Qir), in which the remaining lifetime of the battery is predicted by equation ? k = 1 n Q ir_k min ? ( mQ ir_m · ? k = 1 n Q ir_k ) = N a N p .Type: GrantFiled: December 7, 2020Date of Patent: December 27, 2022Assignee: NASAN ELECTRIC INDUSTRIES CO., LTD.Inventors: Jong Hoon Bae, Su Hyeon Son, Seong Yong Kim, Sung Chun Moon, Han Yeul An, Kyung Jin Bae
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Patent number: 11524394Abstract: Disclosed is a disassembling tool for a secondary battery. The disassembling tool includes a first rotation member configured to be rotatable and to allow a nut to be coupled thereto; a connection shaft coupled to the first rotation member; a second rotation member coupled to the connection shaft to transmit a rotational force to the connection shaft; and a housing, in which the connection shaft is disposed. The housing is inclined with respect to a virtual horizontal line parallel to a ground surface.Type: GrantFiled: November 8, 2018Date of Patent: December 13, 2022Assignee: LG ENERGY SOLUTIONS, LTD.Inventors: Duck-Hee Moon, Do-Hyeon Kim, Sung-Chun Yu, Tae-Young Kang
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Patent number: 11521533Abstract: A direct current-to-direct current (“DC-DC”) converter includes: a first converter which outputs a first power voltage in a normal mode or a power saving mode based on a inductor current generated therein, where the first converter operates in a first driving manner in the normal mode, and operates in a second driving manner in the power saving mode; a second converter which outputs a second power voltage based on a inductor current generated therein, where the second converter operates in a third driving manner in the power saving mode, and a magnitude of the second power voltage in the power saving mode is different from that in the normal mode; and a mode selector which supplies a mode control signal to the first and second converters, where the first and second converters are driven in the normal mode or the power saving mode based on the mode control signal.Type: GrantFiled: August 9, 2021Date of Patent: December 6, 2022Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Sung Chun Park, Yoon Young Lee
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Patent number: 11516932Abstract: A foldable display device includes a hinge, a support plate connected to opposite ends of the hinge and a display panel module disposed on the support plate. The hinge includes a rotation axis module having a rotation axis. A first slider is connected to the rotation axis and includes a first guide line. A second slider is connected to the support plate and includes a second guide line. A link arm includes a link arm body. The link arm body has a link arm rotation axis disposed at a first end of the link arm body and a link arm pin hole disposed at a second end of the link arm body. A link arm pin is configured to extend through the link arm pin hole, the first guide line and the second guide line.Type: GrantFiled: May 21, 2020Date of Patent: November 29, 2022Assignees: SAMSUNG DISPLAY CO., LTD., FINE DNC CO., LTD.Inventors: Jin Yong Sim, Chang Soo Kim, Se Yong Kim, Sung Chun Hong
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Publication number: 20220362819Abstract: A cleaning apparatus, method, and dry chamber are provided for cleaning a wafer carrier that holds wafers as part of a semiconductor fabrication process. The cleaning apparatus includes a wet chamber that receives the wafer carrier to be washed and a reservoir in fluid communication with the wet chamber. The reservoir stores a cleaning liquid that is introduced to the wafer carrier within the wet chamber during a washing operation, and a dry chamber is spaced apart from the wet chamber. The dry chamber receives the wafer carrier after the wafer carrier is washed in the wet chamber and holds the wafer carrier during a drying operation. A transport system transports the wafer carrier between the wet chamber and the dry chamber during a cleaning process.Type: ApplicationFiled: July 27, 2022Publication date: November 17, 2022Inventors: Eason Chen, Yi-Fam Shiu, Sung-Chun Yang, Hsu-Shui Liu, Yang-Ann Chu, Jiun-Rong Pai
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Publication number: 20220357831Abstract: The present disclosure relates to a microcontroller, a readout integrated circuit and a method of driving a circuit, and more particularly, to a microcontroller, a readout integrated circuit and a method of driving a circuit to transmit command signals by using a pair of lines, through which signals are transmitted from the microcontroller which is a master circuit to the readout integrated circuit which is a slave circuit, as two single-ended signal transmission lines and to control power of the readout integrated circuit which is a slave circuit.Type: ApplicationFiled: April 20, 2022Publication date: November 10, 2022Applicant: LX Semicon Co., Ltd.Inventors: Ji Ho KIM, Jun Tak JEON, Kyung Hwan KIM, Sung Chun KIM
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Patent number: 11494935Abstract: Methods, systems, an apparatus, including computer programs encoded on a storage device, for tracking human movement in video images. A method includes obtaining a first image of a scene captured by a camera; identifying a bounding box around a human detected in the first image; determining a scale amount that corresponds to a size of the bounding box; obtaining a second image of the scene captured by the camera after the first image was captured; and detecting the human in the second image based on both the first image scaled by the scale amount and the second image scaled by the scale amount. Detecting the human in the second image can include identifying a second scaled bounding box around the human detected in the second image scaled by the scale amount.Type: GrantFiled: October 13, 2020Date of Patent: November 8, 2022Assignee: ObjectVideo Labs, LLCInventors: Sung Chun Lee, Gang Qian, Sima Taheri, Sravanthi Bondugula, Allison Beach
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Patent number: 11495054Abstract: Methods, systems, and apparatus for motion-based human video detection are disclosed. A method includes generating a representation of a difference between two frames of a video; providing, to an object detector, a particular frame of the two frames and the representation of the difference between two frames of the video; receiving an indication that the object detector detected an object in the particular frame; determining that detection of the object in the particular frame was a false positive detection; determining an amount of motion energy where the object was detected in the particular frame; and training the object detector based on penalization of the false positive detection in accordance with the amount of motion energy where the object was detected in the particular frame.Type: GrantFiled: October 13, 2020Date of Patent: November 8, 2022Assignee: ObjectVideo Labs, LLCInventors: Sima Taheri, Gang Qian, Sung Chun Lee, Sravanthi Bondugula, Allison Beach
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Patent number: 11450531Abstract: The present invention relates to an atomic layer etching method for etching a surface of a substrate by using an atomic layer etching apparatus.Type: GrantFiled: December 17, 2020Date of Patent: September 20, 2022Assignee: WONIK IPS CO., LTD.Inventors: Jun Hyuck Kwon, Jin Sung Chun, Sang Jun Park, Byung Chul Cho, Kwang Seon Jin
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Patent number: 11437912Abstract: A DC-DC converter including a first power supply including a first converter outputting a first power voltage, a first sensor detecting a panel current from an output of the first converter; and a first output group including a plurality of inverting converters outputting a second power voltage based on the panel current; a second power supply including a second converter outputting the first power voltage, and a second output group including a plurality of inverting converters outputting the second power voltage based on the panel current; and a first phase controller controlling operations of the inverting converters included in each of the first and second output groups based on the detected panel current. The second power supply operates when the panel current exceeds a predetermined enable value.Type: GrantFiled: April 21, 2021Date of Patent: September 6, 2022Assignee: SAMSUNG DISPLAY CO., LTD.Inventor: Sung Chun Park
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Publication number: 20220271302Abstract: A close-end fuel cell and an anode bipolar plate thereof are provided. The anode bipolar plate includes an airtight conductive frame and a conductive porous substrate disposed within the airtight conductive frame. In the airtight conductive frame, an edge of a first side has a fuel inlet, and an edge of a second side has a fuel outlet. The conductive porous substrate has at least one flow channel, where a first end of the flow channel communicates with the fuel inlet, a second end of the flow channel communicates with the fuel outlet. The flow channel is provided with a blocking part near the fuel inlet to divide the flow channel into two areas.Type: ApplicationFiled: August 23, 2021Publication date: August 25, 2022Applicant: Industrial Technology Research InstituteInventors: Sung-Chun Chang, Chien-Ming Lai, Chiu-Ping Huang, Li-Duan Tsai, Keng-Yang Chen