Patents by Inventor Jung-hwan Na
Jung-hwan Na 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: 20240116882Abstract: The present invention relates to a novel benzotriazole derivative compound, a tautomer thereof, a pharmaceutically acceptable salt thereof, a hydrate thereof, or a stereoisomer thereof, which are related to a compound for inhibiting ENPP1, a composition for inhibiting ENPP1, and a method for inhibiting ENPP1.Type: ApplicationFiled: January 28, 2022Publication date: April 11, 2024Applicant: TXINNO BIOSCIENCE INC.Inventors: Chan Sun Park, Sung Joon Kim, Ali Imran, Yoo Jin Na, So Ra Paik, Jung Hwan Choi, Sun Woo Lee, Yong Yea Park, Ah Ran Yu, Sun Young Park
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Publication number: 20230027941Abstract: A charging system for an electric vehicle that receives electric power from external charging equipment to charge a battery includes an inlet including a plurality of ports. The inlet is connectable to the external charging equipment. A charging management part includes a control pilot (CP) terminal for receiving a charging signal indicating information related to a charging power source of the external charging equipment through the inlet. The CP terminal includes a CP plus terminal connected to a CP port among the plurality of ports of the inlet. The CP plus terminal is configured to receive the charging signal. A CP minus terminal is directly connected to a ground port among the plurality of ports of the inlet. The CP minus terminal is configured to receive a ground potential of the external charging equipment.Type: ApplicationFiled: April 27, 2022Publication date: January 26, 2023Inventors: Myoung Seok Lee, Soung Han Noh, Tae Hee Jung, Jung Hwan Na
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Patent number: 10744893Abstract: A locking mechanism includes a drive motor; a locking member configured to perform a linear reciprocating motion along a predetermined movement path by the drive motor, and selectively locking or unlocking a predetermined object to be locked according to a position of the locking member on the movement path; a position sensor including a sensor gear rotatably driven by the drive motor and a variable resistor of which a resistance value is varied according to a rotation angle of the sensor gear; and a controller configured to determine an operating state of the locking member on the basis of a voltage value applied to the variable resistor.Type: GrantFiled: June 19, 2018Date of Patent: August 18, 2020Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Jung Hwan Na, Myoung Seok Lee, Jee Hye Jeong
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Patent number: 10712081Abstract: The present invention relates to a smart repository that can be used as a refrigerator or the like, the smart repository being characterized by comprising: a repository body having a door installed in an entrance/exit formed in a side surface thereof, the repository body containing an outer column that faces the entrance/exit and an inner column that communicates with the outer column through the upper and lower end portions thereof; multiple storing boxes provided to be contained and stacked inside the outer and inner columns; a plurality of vertical driving devices installed on the outer and inner columns, respectively, and driven so as to lift/lower the multiple storing boxes; an imaging portion comprising a plurality of push means for moving a box on the upper end portion of the inner column toward the outer column and moving a box on the lower end portion of the outer column toward the inner column, the imaging portion being configured to take an image of a to-be-stored object introduced through the doorType: GrantFiled: October 6, 2016Date of Patent: July 14, 2020Assignee: SUNKANG EGS CO., LTDInventor: Jung-Hwan Na
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Publication number: 20190316836Abstract: The present invention relates to a smart repository that can be used as a refrigerator or the like, the smart repository being characterized by comprising: a repository body having a door installed in an entrance/exit formed in a side surface thereof, the repository body containing an outer column that faces the entrance/exit and an inner column that communicates with the outer column through the upper and lower end portions thereof; multiple storing boxes provided to be contained and stacked inside the outer and inner columns; a plurality of vertical driving devices installed on the outer and inner columns, respectively, and driven so as to lift/lower the multiple storing boxes; an imaging portion comprising a plurality of push means for moving a box on the upper end portion of the inner column toward the outer column and moving a box on the lower end portion of the outer column toward the inner column, the imaging portion being configured to take an image of a to-be-stored object introduced through the doorType: ApplicationFiled: October 6, 2016Publication date: October 17, 2019Inventor: Jung-Hwan NA
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Publication number: 20190176634Abstract: A locking mechanism includes a drive motor; a locking member configured to perform a linear reciprocating motion along a predetermined movement path by the drive motor, and selectively locking or unlocking a predetermined object to be locked according to a position of the locking member on the movement path; a position sensor including a sensor gear rotatably driven by the drive motor and a variable resistor of which a resistance value is varied according to a rotation angle of the sensor gear; and a controller configured to determine an operating state of the locking member on the basis of a voltage value applied to the variable resistor.Type: ApplicationFiled: June 19, 2018Publication date: June 13, 2019Inventors: Jung Hwan Na, Myoung Seok Lee, Jee Hye Jeong
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Patent number: 10232726Abstract: A control pilot (CP) signal detection method for a vehicle charger includes: counting CP signals based on signal levels of the CP signals during a set period of time, when an input of the CP signals is detected while an ignition of a vehicle is turned off; determining whether a count of high-level CP signals among the CP signals is within a reference range, when the set period of time elapses; and outputting state information of the CP signals based on the determination of whether the count of high-level CP signals is within the reference range.Type: GrantFiled: June 17, 2015Date of Patent: March 19, 2019Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Jae Won Lee, Jung Hwan Na, Tae Hwan Chung
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Patent number: 9878627Abstract: An apparatus for detecting a level of a control pilot signal includes: a switch controller configured to output a switch control signal using a control pilot input signal, which was outputted from an electric vehicle supply equipment; and a sample and hold logic unit configured to sample and hold the control pilot input signal, based on the outputted switch control signal, in order to output a control pilot output signal.Type: GrantFiled: February 14, 2015Date of Patent: January 30, 2018Assignee: Hyundai Motor CompanyInventors: Jee Hye Jeong, Jae Won Lee, Jung Hwan Na
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Patent number: 9544990Abstract: An analog control system configured to operate a converter in an electric vehicle battery charging system is provided. The analog control system includes a pulse width modulation (PWM) output unit that is configured to output a PWM signal to the converter and an integrated control unit that is configured to sense an input voltage and an output voltage of the converter. The analog control system may be implemented on a printed circuit board having a first ground voltage stage connected to the PWM output unit, a second ground voltage stage separated from the first ground voltage stage by a first predetermined interval and connected to the integrated control unit. A filtering unit is disposed between the first ground voltage stage and the second ground voltage stage to pass an output signal of a predetermined band from the PWM unit to the integrated control unit.Type: GrantFiled: November 25, 2014Date of Patent: January 10, 2017Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Jung Hwan Na, Sang Hoon Kwak, Tae Hwan Chung, Gun Soo Kang
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Patent number: 9400293Abstract: A voltage sensing circuit of a converter senses input and output voltages of a converter with only one sensing circuit. The voltage sensing circuit is capable of reducing the number of the components for a controller and the volume thereof to save cost, and detecting whether the discontinuous mode (DCM) is entered or not, thereby to apply a separate control algorithm thereto when the DCM is entered.Type: GrantFiled: October 14, 2013Date of Patent: July 26, 2016Assignee: HYUNDAI MOTOR COMPANYInventors: Jung Hwan Na, Tae Hwan Chung, Sang Hoon Kwak, Hyun Wook Seong
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Publication number: 20160114689Abstract: An apparatus for detecting a level of a control pilot signal includes: a switch controller configured to output a switch control signal using a control pilot input signal, which was outputted from an electric vehicle supply equipment; and a sample and hold logic unit configured to sample and hold the control pilot input signal, based on the outputted switch control signal, in order to output a control pilot output signal.Type: ApplicationFiled: February 14, 2015Publication date: April 28, 2016Inventors: Jee Hye Jeong, Jae Won Lee, Jung Hwan Na
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Publication number: 20160105164Abstract: An apparatus for generating a switching signal for an analog controller includes: a voltage setting unit configured to set voltages Vref_high and Vref_low of a triangular wave; a period adjuster configured to adjust a period of the triangular wave; a triangular wave generator configured to generate the triangular wave at the period based on the voltages set by the voltage setting unit; and an AC component passing unit configured to pass an AC component of the triangular wave through a low voltage DC-DC converter (LDC) analog controller.Type: ApplicationFiled: March 21, 2015Publication date: April 14, 2016Inventors: Jung Hwan Na, Jee Hye Jeong, Jae Won Lee, Tae Hwan Chung
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Publication number: 20160096442Abstract: A control pilot (CP) signal detection method for a vehicle charger includes: counting CP signals based on signal levels of the CP signals during a set period of time, when an input of the CP signals is detected while an ignition of a vehicle is turned off; determining whether a count of high-level CP signals among the CP signals is within a reference range, when the set period of time elapses; and outputting state information of the CP signals based on the determination of whether the count of high-level CP signals is within the reference range.Type: ApplicationFiled: June 17, 2015Publication date: April 7, 2016Applicants: KIA MOTORS CORPORATION, HYUNDAI MOTOR COMPANYInventors: Jae Won Lee, Jung Hwan Na, Tae Hwan Chung
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Publication number: 20160023561Abstract: An analog control system configured to operate a converter in an electric vehicle battery charging system is provided. The analog control system includes a pulse width modulation (PWM) output unit that is configured to output a PWM signal to the converter and an integrated control unit that is configured to sense an input voltage and an output voltage of the converter. The analog control system may be implemented on a printed circuit board having a first ground voltage stage connected to the PWM output unit, a second ground voltage stage separated from the first ground voltage stage by a first predetermined interval and connected to the integrated control unit. A filtering unit is disposed between the first ground voltage stage and the second ground voltage stage to pass an output signal of a predetermined band from the PWM unit to the integrated control unit.Type: ApplicationFiled: November 25, 2014Publication date: January 28, 2016Inventors: Jung Hwan Na, Sang Hoon Kwak, Tae Hwan Chung, Gun Soo Kang
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Patent number: 8955000Abstract: A disc drive that includes: a housing configured to receive a tray, a pickup mounted on the tray; a connector installed on the housing for outputting signals obtained from the optical pickup; a ribbon cable that includes a first end which is connected to the connector, including a plurality of wire layers, and a part installed adjacent to a side of a body of the housing; and at least one penetration hole formed in a side of the body of the housing so as to reduce a capacitive coupling between the ribbon cable and the body of the housing.Type: GrantFiled: November 14, 2011Date of Patent: February 10, 2015Assignee: Toshiba Samsung Storage Technology Korea CorporationInventors: Sang-hun Kim, Jung-hwan Na, Sang-hum Cho
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Publication number: 20140354265Abstract: A voltage sensing circuit of a converter senses input and output voltages of a converter with only one sensing circuit. The voltage sensing circuit is capable of reducing the number of the components for a controller and the volume thereof to save cost, and detecting whether the discontinuous mode (DCM) is entered or not, thereby to apply a separate control algorithm thereto when the DCM is entered.Type: ApplicationFiled: October 14, 2013Publication date: December 4, 2014Applicant: HYUNDAI MOTOR COMPANYInventors: Jung Hwan NA, Tae Hwan CHUNG, Sang Hoon KWAK, Hyun Wook SEONG
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Publication number: 20120174127Abstract: A disc drive that includes: a housing configured to receive a tray, a pickup mounted on the tray; a connector installed on the housing for outputting signals obtained from the optical pickup; a ribbon cable that includes a first end which is connected to the connector, including a plurality of wire layers, and a part installed adjacent to a side of a body of the housing; and at least one penetration hole formed in a side of the body of the housing so as to reduce a capacitive coupling between the ribbon cable and the body of the housing.Type: ApplicationFiled: November 14, 2011Publication date: July 5, 2012Inventors: Sang-hun Kim, Jung-hwan Na, Sang-hum Cho
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Publication number: 20120174125Abstract: An optical disc drive is provided. The optical disc drive may include a housing, a tray that is received in the housing, an optical pickup device that is operatively coupled to the tray, connector that is installed in the housing and outputs a signal obtained from the optical pickup device, and a ribbon cable having an end portion connected to the connector, a fixed portion, and a movable portion folded so as not to be disposed parallel to the fixed portion.Type: ApplicationFiled: September 23, 2011Publication date: July 5, 2012Inventors: Sang-hun KIM, Jung-hwan Na, Sang-hum Cho