Patents by Inventor Seung-Hwan SHIN
Seung-Hwan SHIN 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: 20180266420Abstract: Disclosed herein is a motor-driven compressor with an inverter that is connected with an external power source via a connector part and controls a driving part which drives a compressing part to compress fluid. A printed circuit board is provided between the connector part and the driving part. Thus, noise transmitted from the driving part to the connector part is reduced, so that it is possible to minimize the transmission of the noise to an external power source.Type: ApplicationFiled: August 22, 2016Publication date: September 20, 2018Applicant: Hanon SystemsInventors: Young Hun LEE, Eun Seok KANG, Tae Hyeong KIM, Sung Jun PARK, Hee Kwon PARK, Seung Hwan SHIN, Min Gyo JUNG
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Publication number: 20180023568Abstract: An electric compressor includes a cover. The cover is reinforced by forming straight ribs, ring ribs, connection ribs, or hexagonal ribs having a honeycomb structure. The straight ribs, rings ribs, connection ribs, or hexagonal ribs are formed on the inner side or the outer side of a body of the cover on a side of an inverter.Type: ApplicationFiled: June 19, 2015Publication date: January 25, 2018Inventors: Eun Seok Kang, Jung Seon Kim, Sung Jun Park, Seung Hwan Shin, Young Hun Lee
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Publication number: 20170374758Abstract: Disclosed herein is an apparatus for cooling an inverter of a vehicle which receives power supplied from a vehicle battery and controls the rotation speed of a motor. The apparatus includes an inverter housing configured to support the inverter, and a heat dissipation unit provided at a predetermined position in the inverter housing and configured to come into contact with an outer circumferential surface of the capacitor so that heat of the capacitor is transferred to the inverter housing.Type: ApplicationFiled: March 20, 2015Publication date: December 28, 2017Inventors: Sung Jun Park, Young Hun Lee, Seung Hwan Shin, Hee Kwon Park, Sae Won Oh, Kyung Hun Jung
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Patent number: 9757999Abstract: The present invention relates to an apparatus and a method for monitoring a tire pressure using a speed section. The tire pressure monitoring apparatus using a speed section of the present invention includes a frequency measuring unit which measures frequency data for every wheel mounted on a vehicle; a frequency calculating unit which calculates a mean frequency for every speed section by accumulating the measured frequency data for every predetermined speed section to obtain a mean; a frequency calibration unit which performs the frequency calibration by calculating a deviation of the mean frequency for every adjacent speed section and comparing the calculated deviation of the mean frequency with the predetermined frequency range; and a low pressure determining unit which determines a low pressure by performing the frequency analysis in accordance with the speed section in which the frequency calibration is completed.Type: GrantFiled: July 13, 2016Date of Patent: September 12, 2017Assignee: Hyundai Autron Co., LTD.Inventors: Seung-Hwan Shin, Seung-Geun Ham
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Patent number: 9757993Abstract: A tire pressure monitoring apparatus includes a frequency detection unit configured to detect a resonant frequency according to a tire pressure; a calculation unit configured to accumulate the resonant frequency and calculate an average frequency and a frequency variance; a coordinate system setting unit configured to locate a first average variance point corresponding to the average frequency and the frequency variance, on an average-variance plane, and locate second average variance points corresponding to average frequencies and frequency variances of resonant frequencies measured for types of tires, on the average-variance plane; a tire determination unit configured to determine a type of a tire in consideration of distances between the first and second average variance points; and a low-pressure frequency setting unit configured to set a low-pressure frequency according to the determined type of the tire, as a reference low-pressure frequency for determining whether the tire pressure is a low pressure.Type: GrantFiled: December 4, 2014Date of Patent: September 12, 2017Assignee: HYUNDAI AUTRON CO., LTD.Inventors: Tae-Hun Kim, Seung-Hwan Shin
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Publication number: 20170167480Abstract: Disclosed herein is an electric compressor including: a main housing (4) having therein a suction chamber into which low-temperature refrigerant is drawn; an inverter housing (1) including an internal seating surface (1a) formed adjacent to the suction chamber, with at least one inverter element (2) fixed at a surface thereof to the internal seating surface (1a) while making contact with the internal seating surface (1a), the at least one inverter element (2) conducting heat to the main housing (4); and at least one heat dissipation cover (6) disposed toward the main housing (4) while facing another surface of the inverter element (2) and enclosing the inverter element (2), the at least one heat dissipation cover (6) having therein a receiving space (64) in which the inverter element (2) is received.Type: ApplicationFiled: August 27, 2015Publication date: June 15, 2017Inventors: Min Gyo Kim, Tae Hyoung Kim, Sung Jun Park, Hee Kwon Park, Seung Hwan Shin, Young Hun Lee
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Publication number: 20170015150Abstract: The present invention relates to an apparatus and a method for monitoring a tire pressure using a speed section. The tire pressure monitoring apparatus using a speed section of the present invention includes a frequency measuring unit which measures frequency data for every wheel mounted on a vehicle; a frequency calculating unit which calculates a mean frequency for every speed section by accumulating the measured frequency data for every predetermined speed section to obtain a mean; a frequency calibration unit which performs the frequency calibration by calculating a deviation of the mean frequency for every adjacent speed section and comparing the calculated deviation of the mean frequency with the predetermined frequency range; and a low pressure determining unit which determines a low pressure by performing the frequency analysis in accordance with the speed section in which the frequency calibration is completed.Type: ApplicationFiled: July 13, 2016Publication date: January 19, 2017Inventors: Seung-Hwan SHIN, Seung-Geun HAM
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Publication number: 20170015154Abstract: The present invention relates to an apparatus for monitoring a tire pressure using a mass of a vehicle. Provided is a tire pressure monitoring apparatus using a mass of a vehicle including: a radius analyzing unit; a frequency analyzing unit; a mass estimating unit; a calibration unit; and a low pressure determining unit.Type: ApplicationFiled: July 13, 2016Publication date: January 19, 2017Inventors: Seung-Hwan SHIN, Dong-Jin NA
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Publication number: 20170015153Abstract: The present invention relates to an apparatus for monitoring a tire pressure. Provided is a tire pressure monitoring apparatus including: a radius analyzing unit which calculates a radius analysis value using a relative speed difference and an average speed calculated from wheel speeds of the wheels mounted on the vehicle; a regression equation calculating unit which calculates a first regression equation for the calculated radius analysis value and first driving information and a second regression equation for the calculated radius analysis value and second driving information; a mass calculating unit which calculates an additional mass of the vehicle; a calibration unit which corrects the calculated radius analysis value using a combination of the calculated first and second regression equations and the calculated additional mass; and a low pressure determining unit which determines a low voltage of a tire mounted on the vehicle using the corrected radius analysis value.Type: ApplicationFiled: July 13, 2016Publication date: January 19, 2017Inventors: Seung-Hwan SHIN, Tae-Rim CHOI
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Publication number: 20160318358Abstract: Disclosed are a method and a system for monitoring the pressure of a tire. The system measures frequencies of multiple tires mounted on the vehicle, sets a first average frequency for a normal pressure state and a second average frequency for determination of a low pressure state, wherein the first average frequency is calculated by accumulating the measured frequencies for each speed interval in a stop mode and the second average frequency is calculated by accumulating the measured frequencies for each speed interval in a driving mode, calculates low-pressure probabilities for each speed interval of the tire by using the second frequency, a predetermined low-pressure reference frequency, and a predetermined frequency determination interval for determining low-pressure, and determines whether each tire is at low pressure state by aggregating the low-pressure probabilities for each speed interval of the tire.Type: ApplicationFiled: July 14, 2016Publication date: November 3, 2016Inventors: Seung-Hwan SHIN, Tae-Hun KIM
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Patent number: 9415641Abstract: Disclosed are a method and a system for monitoring the pressure of a tire. The system measures frequencies of multiple tires mounted on the vehicle, sets a first average frequency for a normal pressure state and a second average frequency for determination of a low pressure state, wherein the first average frequency is calculated by accumulating the measured frequencies for each speed interval in a stop mode and the second average frequency is calculated by accumulating the measured frequencies for each speed interval in a driving mode, calculates low-pressure probabilities for each speed interval of the tire by using the second frequency, a predetermined low-pressure reference frequency, and a predetermined frequency determination interval for determining low-pressure, and determines whether each tire is at low pressure state by aggregating the low-pressure probabilities for each speed interval of the tire.Type: GrantFiled: December 9, 2014Date of Patent: August 16, 2016Assignee: HYUNDAI AUTRON CO., LTD.Inventors: Seung-Hwan Shin, Tae-Hun Kim
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Publication number: 20160209052Abstract: The present invention relates to a method for determining whether hot water is used during heating of an air handler system which uses a water heater as a heat source and supplies hot air through a duct for heating, the method includes: (a) detecting a flow rate change of tap water supplied to the water heater; (b) detecting a temperature change of the tap water supplied to the water heater; and (c) determining that hot water is used during heating when the flow rate change of the tap water in step (a) and the temperature change of the tap water in step (b) are detected at the same time. The present invention is capable of detecting whether the hot water is used during the heating while using a conventional air handler system as it is, which uses a water heater as a heat source without additional flow rate sensor, etc.Type: ApplicationFiled: July 22, 2014Publication date: July 21, 2016Applicant: KYUNGDONG NAVIEN CO., LTD.Inventors: Chang Heoi HEO, Seung Hwan SHIN
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Publication number: 20160153827Abstract: Provided are an apparatus for estimating vehicle mass using tire air pressure and a method thereof, the apparatus for estimating the vehicle mass including: an air pressure determining unit; a speed measuring unit; a data storing unit; an error calculating unit; and a mass calculating unit.Type: ApplicationFiled: November 25, 2015Publication date: June 2, 2016Inventors: Seung-Geun HAM, Seung-Hwan SHIN
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Patent number: 9299300Abstract: Disclosed are an LCD device and a driving method thereof. The LCD device includes at least one source driving ICs configured to drive a plurality of data lines formed in a panel, a timing controller configured to generate a power control signal used to change a level of a driving voltage applied to the source driving ICs according to a pattern of an image output to the panel, and a driving voltage generator configured to generate a first driving voltage or a second driving voltage according to the power control signal to drive the source driving ICs. The first and second driving voltages have different levels.Type: GrantFiled: December 19, 2013Date of Patent: March 29, 2016Assignee: LG DISPLAY CO., LTD.Inventors: Dae Seok Oh, Bo Gun Seo, Seung Hwan Shin
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Publication number: 20160082790Abstract: A tire pressure monitoring apparatus includes a frequency detection unit configured to detect a resonant frequency according to a tire pressure; a calculation unit configured to accumulate the resonant frequency and calculate an average frequency and a frequency variance; a coordinate system setting unit configured to locate a first average variance point corresponding to the average frequency and the frequency variance, on an average-variance plane, and locate second average variance points corresponding to average frequencies and frequency variances of resonant frequencies measured for types of tires, on the average-variance plane; a tire determination unit configured to determine a type of a tire in consideration of distances between the first and second average variance points; and a low-pressure frequency setting unit configured to set a low-pressure frequency according to the determined type of the tire, as a reference low-pressure frequency for determining whether the tire pressure is a low pressure.Type: ApplicationFiled: December 4, 2014Publication date: March 24, 2016Applicant: HYUNDAI AUTRON CO., LTD.Inventors: Tae-Hun Kim, Seung-Hwan Shin
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Patent number: 9256100Abstract: A transflective liquid crystal display device including, according to one embodiment, a liquid crystal display panel including first and second substrates, a plurality of gate lines and data lines on the first substrate defining a plurality of pixel regions, a thin film transistor at each pixel region, a black matrix and a color filter layer on the second substrate, and a liquid crystal layer between the first an second substrates; a first polarizer and a second polarizer; a backlight unit; a selective reflection film between the liquid crystal display panel and the second polarizer; and a first reflecting layer on at least one of the gate line and the data line of the liquid crystal display panel. The black matrix and the color filter layer include opened areas corresponding to the first reflecting layer so that the light reflected from the first reflecting layer is transmitted through the black matrix and the color filter layer through the opened portions.Type: GrantFiled: March 30, 2015Date of Patent: February 9, 2016Assignee: LG DISPLAY CO., LTD.Inventors: Seung-Hwan Shin, Ju-Han Kim
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Publication number: 20160001613Abstract: Disclosed are a method and a system for monitoring the pressure of a tire. The system measures frequencies of multiple tires mounted on the vehicle, sets a first average frequency for a normal pressure state and a second average frequency for determination of a low pressure state, wherein the first average frequency is calculated by accumulating the measured frequencies for each speed interval in a stop mode and the second average frequency is calculated by accumulating the measured frequencies for each speed interval in a driving mode, calculates low-pressure probabilities for each speed interval of the tire by using the second frequency, a predetermined low-pressure reference frequency, and a predetermined frequency determination interval for determining low-pressure, and determines whether each tire is at low pressure state by aggregating the low-pressure probabilities for each speed interval of the tire.Type: ApplicationFiled: December 9, 2014Publication date: January 7, 2016Applicant: HYUNDAI AUTRON CO., LTD.Inventors: Seung-Hwan SHIN, Tae-Hun KIM
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Publication number: 20150348633Abstract: A nonvolatile memory device includes a memory cell array, a page buffer unit which output a verify-read result, a reference current generating unit which generates a reference current signal, a page buffer decoding unit which outputs currents according to the verify-read result. The nonvolatile memory device further includes an analog bit counting unit which counts the currents, a digital adding unit which calculates an accumulated sum of the counting result, a pass/fail checking unit which outputs a pass signal or fail signal according to the calculation result, and a control unit controlling a program operation.Type: ApplicationFiled: June 23, 2015Publication date: December 3, 2015Inventors: YOUNGSUN SONG, BOGEUN KIM, OHSUK KWON, KITAE PARK, SEUNG-HWAN SHIN, SANGYONG YOON, MOOSUNG KIM, HYUNJUN YOON
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Publication number: 20150205163Abstract: A transflective liquid crystal display device including, according to one embodiment, a liquid crystal display panel including first and second substrates, a plurality of gate lines and data lines on the first substrate defining a plurality of pixel regions, a thin film transistor at each pixel region, a black matrix and a color filter layer on the second substrate, and a liquid crystal layer between the first an second substrates; a first polarizer and a second polarizer; a backlight unit; a selective reflection film between the liquid crystal display panel and the second polarizer; and a first reflecting layer on at least one of the gate line and the data line of the liquid crystal display panel. The black matrix and the color filter layer include opened areas corresponding to the first reflecting layer so that the light reflected from the first reflecting layer is transmitted through the black matrix and the color filter layer through the opened portions.Type: ApplicationFiled: March 30, 2015Publication date: July 23, 2015Applicant: LG DISPLAY CO., LTD.Inventors: Seung-Hwan SHIN, Ju-Han KIM
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Publication number: 20150177274Abstract: An apparatus for pretreating a wheel speed includes a tone wheel having a plurality of teeth, a hall sensor configured to detect a measurement angle including an offset of each of the teeth, an offset correcting unit configured to correct the measurement angle with a corrective offset when disturbance is generated and a frequency estimating unit configured to estimate a frequency based on a result value calculated from the offset correcting unit.Type: ApplicationFiled: November 25, 2014Publication date: June 25, 2015Applicant: HYUNDAI AUTRON CO., LTD.Inventors: Tae-Hun KIM, Seung-Hwan SHIN, Byung-Koo CHOI, Young-Taek CHO