Patents by Inventor Hang-Seok Choi
Hang-Seok Choi 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: 20240070431Abstract: The present invention relates to a logistics smart label, a smart box, and a logistics system including the same, including: a smart label member that is mounted on a logistics box, provided with at least one bending line, and mounted on an outside and inside of the logistics box through bending along the bending line, in which the smart label member may be partitioned along the bending line into an externally mounted label area that is mounted outside the logistics box and includes at least one first sensor unit and a first antenna, and an internally mounted label area that is bent along the bending line to be mounted inside the logistics box, and includes at least one second sensor unit and a second antenna connected to the first antenna. In addition, the logistics smart label, smart box, and logistics system including the same may be implemented in various ways according to embodiments.Type: ApplicationFiled: December 13, 2022Publication date: February 29, 2024Applicant: Hyunsung Co., Ltd.Inventors: Boung Kang Park, Hang Seok Choi
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Patent number: 11914423Abstract: A flexible display device is provided. A flexible display device according to one embodiment of the present invention comprises a body, a moving plate, a first pulley, a second pulley, a driving track and a flexible display. The flexible display is coupled to outer surfaces of the moving plate and the driving track, and the driving track forms a continuous track shape by itself or together with the moving plate. Therefore, provided is the flexible display device in which a constant tension can be maintained over the entire section of the driving track while the moving plate and the driving track support the flexible display, the occurrence of spring back in the flexible display can be minimized, and damage caused by unevenness of the flexible display, and the like, can be prevented.Type: GrantFiled: April 11, 2019Date of Patent: February 27, 2024Assignee: LG ELECTRONICS INC.Inventors: Min Chul Shin, Hang Seok Kim, Gil Jae Lee, Dong Jun Choi
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Publication number: 20230343164Abstract: A mobile phone purchasing apparatus according to an embodiment comprises: an inspection unit for accommodating a mobile phone and inspecting the mobile phone; a collecting unit arranged under the inspection unit to collect the mobile phone that was inspected; a display unit which is arranged on one outer side surface of the inspection unit for selecting a function related to purchasing the mobile phone or displaying information about the mobile phone; and an unloading unit for unloading the mobile phone from the collecting unit, wherein a plurality of cameras are provided on the upper surface, the lower surface, and the side surfaces of the inspection unit.Type: ApplicationFiled: February 16, 2021Publication date: October 26, 2023Inventors: Sung Lack CHO, Hang Seok CHOI
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Publication number: 20230308751Abstract: An apparatus and a method for photographing an object are disclosed. According to an embodiment, a first button corresponding to a first mode and a second button corresponding to a second mode are exposed on a display, and when a user input for selection of the first button occurs, at least one camera is controlled to obtain a first image of the object; one of a plurality of photographing modes is selected as a photographing mode for the object through a result of object recognition based on the obtained first image; and one or more second images of the object are obtained by controlling the at least one camera and at least one lighting on the basis of the selected photographing mode.Type: ApplicationFiled: February 23, 2021Publication date: September 28, 2023Inventors: Sung Lack CHO, Hang Seok CHOI
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Publication number: 20230230437Abstract: A device for purchasing a mobile phone, according to one embodiment, comprises an inspection unit for accommodating a mobile phone and inspecting same, wherein the inspection unit may comprise: a housing; a base arranged inside the housing and on which the mobile phone is placed; a plurality of cameras arranged on the upper surface, the lower surface, and a side surface of the housing; a plurality of mirrors arranged near the base; and a collecting element which is arranged on the lower side of the housing and collects the mobile phone for which inspection is complete. Here, the plurality of cameras may capture images of the mobile phone and images reflected by the plurality of mirrors.Type: ApplicationFiled: February 16, 2021Publication date: July 20, 2023Inventors: Sung Lack CHO, Hang Seok CHOI
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Publication number: 20230079505Abstract: A self-service stand is disclosed. A self-service stand comprises: a plurality of display cases; a display for displaying items related to product displaying and product purchasing; a communication unit; and a controller for performing a first display procedure for a first product of which online sales have been reserved when a first seller selects a first item from among the displayed items, and performing a second display procedure for the selling of a second product when a second seller selects a second item.Type: ApplicationFiled: February 16, 2021Publication date: March 16, 2023Inventors: Sung Lack CHO, Hang Seok CHOI
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Publication number: 20220383239Abstract: A logistics control system includes a server configured to receive information on signal strengths of the signal, which is transmitted from the logistics device, from the at least three base station, specify a departure area of the logistics device using at least three signal strengths, specify a first travel area to which the logistics device is moved using azimuth and travel distance information received from the logistics device on the basis of the departure area after a certain time elapses, specify a second travel area to which the logistics device is moved using at least three signal strengths, and specify a presence area where the first travel area and the second travel area overlap as a location to which the logistics device is moved.Type: ApplicationFiled: May 31, 2022Publication date: December 1, 2022Applicant: Hyunsung Co., Ltd.Inventors: BYUNG KANG PARK, HANG SEOK CHOI
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Publication number: 20220383715Abstract: Provided are a logistics device that is carried together with freight to detect a state, a logistics control system, and a theft prevention method of the same, wherein thee logistics device which is carried together with freight to detect a state includes a body carried together with freight and a controller configured to measure a speed of the body and vibrations applied to the body and determine whether the freight is stolen using the speed and the vibrations.Type: ApplicationFiled: May 31, 2022Publication date: December 1, 2022Applicant: Hyunsung Co., Ltd.Inventors: BYUNG KANG PARK, HANG SEOK CHOI
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Patent number: 11394225Abstract: An electronic device includes a connector including a plurality of terminals for electrically connecting to a power supply device supplying a power to the electronic device and a control circuit. The control circuit senses a moisture entering the connector, changes an impedance of at least one specified data terminal among the terminals in response to the sensing of the moisture such that the power supply device identifies the impedance of the at least one specified data terminal and changes a level of a voltage depending on the impedance, and receives the voltage whose level is changed from the power supply device. Other various embodiments identified in the specification are also possible.Type: GrantFiled: July 13, 2018Date of Patent: July 19, 2022Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Hang Seok Choi, Ku Chui Jung
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Publication number: 20220136977Abstract: An electronic device valuation system is disclosed. One embodiment comprises: a display; a main body on which an electronic device is placed; a camera for capturing the electronic device by using lighting; and a controller displaying, on the display, the value of the electronic device determined on the basis of visual inspection results of the electronic device and performance inspection results of the electronic device. The visual inspection results are on the basis of an image of the electronic device captured by the camera. In addition, the lighting outputs light, but a portion of the lighting outputs light of different wavelengths so as not to offset the diffuse reflection of visual defects of the electronic device.Type: ApplicationFiled: March 27, 2020Publication date: May 5, 2022Inventors: Sung Lack CHO, Hang Seok CHOI, In Ui SONG
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Publication number: 20210336469Abstract: An electronic device includes a connector including a plurality of terminals for electrically connecting to a power supply device supplying a power to the electronic device and a control circuit. The control circuit senses a moisture entering the connector, changes an impedance of at least one specified data terminal among the terminals in response to the sensing of the moisture such that the power supply device identifies the impedance of the at least one specified data terminal and changes a level of a voltage depending on the impedance, and receives the voltage whose level is changed from the power supply device. Other various embodiments identified in the specification are also possible.Type: ApplicationFiled: July 13, 2018Publication date: October 28, 2021Inventors: Hang Seok CHOI, Ku Chul JUNG
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Patent number: 10608543Abstract: A resonant converter includes a first switch on a primary side and a second switch coupled to the first switch, a first synchronous rectification switch on a secondary side conducted according to a switching operation of the first switch, a second synchronous rectification switch on the secondary side conducted according to a switching operation of the second switch, and a switch control circuit configured to detect a waveform of one end voltage of at least one of the first synchronous rectification switch and the second synchronous rectification switch, determine one of a below region and an above region, and differently control conduction duration of the first and second synchronous rectification switches according to a determined result.Type: GrantFiled: June 8, 2018Date of Patent: March 31, 2020Assignee: SEMICONDUCTOR COMPONENTS INDUSTRIES, LLCInventors: Won-Tae Lee, Hyeong Seok Baek, Ji-Hoon Jang, Hang-Seok Choi, Moon-Ho Choi
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Patent number: 10574128Abstract: A switch control circuit includes a first pin connected to a first voltage, and a second pin connected to another end of a first resistor including an end connected to the first pin and a first capacitor. In the switch control circuit, at least two of first dead time information, second dead time information, and a protection mode are set by using a multi-voltage of the second pin. The first dead time information is information about a dead time of a first switch and a second switch controlling power supply, the second dead time information is information about a dead time for synchronous rectification, and the protection mode includes an auto-restart mode and a latch mode.Type: GrantFiled: January 7, 2019Date of Patent: February 25, 2020Assignee: SEMICONDUCTOR COMPONENTS INDUSTRIES, LLCInventor: Hang-Seok Choi
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Publication number: 20190157965Abstract: A switch control circuit includes a first pin connected to a first voltage, and a second pin connected to another end of a first resistor including an end connected to the first pin and a first capacitor. In the switch control circuit, at least two of first dead time information, second dead time information, and a protection mode are set by using a multi-voltage of the second pin. The first dead time information is information about a dead time of a first switch and a second switch controlling power supply, the second dead time information is information about a dead time for synchronous rectification, and the protection mode includes an auto-restart mode and a latch mode.Type: ApplicationFiled: January 7, 2019Publication date: May 23, 2019Applicant: SEMICONDUCTOR COMPONENTS INDUSTRIES, LLCInventor: Hang-Seok CHOI
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Patent number: 10205376Abstract: A switch control circuit includes a first pin connected to a first voltage, and a second pin connected to another end of a first resistor including an end connected to the first pin and a first capacitor. In the switch control circuit, at least two of first dead time information, second dead time information, and a protection mode are set by using a multi-voltage of the second pin. The first dead time information is information about a dead time of a first switch and a second switch controlling power supply, the second dead time information is information about a dead time for synchronous rectification, and the protection mode includes an auto-restart mode and a latch mode.Type: GrantFiled: March 1, 2017Date of Patent: February 12, 2019Assignee: SEMICONDUCTOR COMPONENTS INDUSTRIES, LLCInventor: Hang-Seok Choi
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Patent number: 10199819Abstract: A resonant converter includes a first switch on the primary side and a second switch coupled to the first switch, a synchronization rectification switch on a secondary side configured to conduct during a conduction period in response to a switching operation of the first switch, and a switch control circuit configured to determine an operating region of the resonant converter to be below resonance based on a result of a comparison between the conduction period and an on period of the first switch.Type: GrantFiled: October 11, 2017Date of Patent: February 5, 2019Assignee: SEMICONDUCTOR COMPONENTS INDUSTRIES, LLCInventors: Won-Tae Lee, Ji-Hoon Jang, Hyeong Seok Baek, Hang-Seok Choi
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Patent number: 10177667Abstract: An exemplary embodiment of an alternating valley switching controller is provided. The alternating valley switching controller includes a valley detection circuit and an alternating circuit. The valley detection circuit is coupled to an auxiliary winding of a transformer to generate a valley-detection signal. The alternating circuit alternates a plurality of switching periods of a switching signal according to a blanking-window signal and the valley-detection signal. The blanking-window signal switches between a first voltage level and a second voltage level in the plurality of switching periods. The plurality of switching periods includes at least two first periods and at least two second periods which occur alternately in response to the first voltage level and the second voltage of the blanking-window signal.Type: GrantFiled: February 9, 2018Date of Patent: January 8, 2019Assignee: SEMICONDUCTOR COMPONENTS INDUSTRIES, LLCInventors: Chien-Tsun Hsu, Hang-Seok Choi, Chih-Hsien Hsieh
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Publication number: 20180294736Abstract: A resonant converter includes a first switch on a primary side and a second switch coupled to the first switch, a first synchronous rectification switch on a secondary side conducted according to a switching operation of the first switch, a second synchronous rectification switch on the secondary side conducted according to a switching operation of the second switch, and a switch control circuit configured to detect a waveform of one end voltage of at least one of the first synchronous rectification switch and the second synchronous rectification switch, determine one of a below region and an above region, and differently control conduction duration of the first and second synchronous rectification switches according to a determined result.Type: ApplicationFiled: June 8, 2018Publication date: October 11, 2018Applicant: SEMICONDUCTOR COMPONENTS INDUSTRIES, LLCInventors: Won-Tae LEE, Hyeong Seok BAEK, Ji-Hoon JANG, Hang-Seok CHOI, Moon-Ho CHOI
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Patent number: 10014789Abstract: A resonant converter includes a first switch on a primary side and a second switch coupled to the first switch, a first synchronous rectification switch on a secondary side conducted according to a switching operation of the first switch, a second synchronous rectification switch on the secondary side conducted according to a switching operation of the second switch, and a switch control circuit configured to detect a waveform of one end voltage of at least one of the first synchronous rectification switch and the second synchronous rectification switch, determine one of a below region and an above region, and differently control conduction duration of the first and second synchronous rectification switches according to a determined result.Type: GrantFiled: July 10, 2017Date of Patent: July 3, 2018Assignee: SEMICONDUCTOR COMPONENTS INDUSTRIES, LLCInventors: Won-Tae Lee, Hyeong Seok Baek, Ji-Hoon Jang, Hang-Seok Choi, Moon-Ho Choi
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Publication number: 20180166993Abstract: An exemplary embodiment of an alternating valley switching controller is provided. The alternating valley switching controller includes a valley detection circuit and an alternating circuit. The valley detection circuit is coupled to an auxiliary winding of a transformer to generate a valley-detection signal. The alternating circuit alternates a plurality of switching periods of a switching signal according to a blanking-window signal and the valley-detection signal. The blanking-window signal switches between a first voltage level and a second voltage level in the plurality of switching periods. The plurality of switching periods includes at least two first periods and at least two second periods which occur alternately in response to the first voltage level and the second voltage of the blanking-window signal.Type: ApplicationFiled: February 9, 2018Publication date: June 14, 2018Applicant: SEMICONDUCTOR COMPONENTS INDUSTRIES, LLCInventors: Chien-Tsun HSU, Hang-Seok CHOI, Chih-Hsien HSIEH