Patents by Inventor Jun-gu Kim
Jun-gu Kim 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: 20240124077Abstract: A vehicle configured for container-swapping, includes: a main frame including a pair of drive modules spaced in a forward/backward direction of the vehicle, and a connecting portion extending in the forward/backward direction of the vehicle to connect the pair of drive modules so that a coupling space is formed therebetween; a container module selectively inserted into the coupling space of the main frame; and a coupling portion configured to couple the main frame and the container to each other while the container module is inserted into the coupling space of the main frame, wherein a driving portion operates and moves the main frame so that the container module is inserted into the coupling space of the main frame.Type: ApplicationFiled: May 8, 2023Publication date: April 18, 2024Applicants: Hyundai Motor Company, Kia CorporationInventors: Dong Eun CHA, Han Sam KIM, Tae Kyung LEE, Dae Hee LEE, Jin Ho HWANG, Jun Gu LEE, Sang Heon LEE
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Patent number: 11911749Abstract: Provided are a chromium catalyst precursor, an ethylene oligomerization catalyst including the same, and a method of preparing an ethylene oligomer using the same. More particularly, a chromium catalyst precursor which may oligomerize ethylene with high activity and high selectivity in spite of not using methylaluminoxane (MAO) or modified-methylaluminoxane (MMAO), an oligomerization catalyst including the same, and a method of preparing an ethylene oligomer using the same are provided.Type: GrantFiled: August 18, 2022Date of Patent: February 27, 2024Assignee: SK Innovation Co., Ltd.Inventors: Il Gu Jung, Hyo Seung Park, Jun Soo Son, Myung Jin Kim, Jong Chan Kim
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Publication number: 20220001727Abstract: The present invention relates to a car wing type rainwater shield device that is configured to have bat wing-like shields unfolded to the outsides of a car when it rains, while the shields are being controlled in such a manner as to be moved up and down according to the amount of rain. The car wing type rainwater shield device includes: shield bodies located on both top sides of a car; a rainwater sensor located on one side of the car to sense changes in an outside environment of the car; and a controller adapted to produce a driving signal for the shield bodies according to a signal inputted by a user's terminal or a signal value measured by the rainwater sensor and to control upward and downward movements of the shield bodies and a degree of unfolding of the shield bodies according to the signal value measured by the rainwater sensor in a state where the shield bodies are driven.Type: ApplicationFiled: July 2, 2020Publication date: January 6, 2022Inventor: Jun Gu KIM
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Patent number: 10737523Abstract: Disclosed is a stapler including: a body including a fixed plate provided on a top portion of one end thereof and formed with a needle insertion hole, and a lower thread supplier provided below the fixed plate to feed a lower thread through the needle insertion hole; and a presser which is connected to the other end of the body at one end thereof by a rotating shaft, includes a fastening needle installed to the other end to stitch an object, and penetrates the needle insertion hole together with an upper thread, in which the object is stitched with the upper thread and the lower thread when pressure is applied to the presser. Since the sheets of paper are bound with the thread, it is possible to prevent the paper from being discolored or crumbed.Type: GrantFiled: November 3, 2016Date of Patent: August 11, 2020Inventor: Jun Gu Kim
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Patent number: 10173591Abstract: A laser-based warning system for a vehicle, the system including: a laser device located on an inner face of a ceiling of a vehicle frame; and a controller configured to generate an emergency message and send the message to the laser device, wherein the laser device is configured to receive the emergency message and to shape a laser based on the message to irradiate the laser-based message onto a front, left, right, rear glasses of the vehicle selectively.Type: GrantFiled: November 30, 2017Date of Patent: January 8, 2019Inventor: Jun-Gu Kim
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Publication number: 20180201189Abstract: A laser-based warning system for a vehicle, the system including: a laser device located on an inner face of a ceiling of a vehicle frame; and a controller configured to generate an emergency message and send the message to the laser device, wherein the laser device is configured to receive the emergency message and to shape a laser based on the message to irradiate the laser-based message onto a front, left, right, rear glasses of the vehicle selectively.Type: ApplicationFiled: November 30, 2017Publication date: July 19, 2018Inventor: Jun-Gu KIM
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Publication number: 20180015767Abstract: Disclosed is a stapler including: a body including a fixed plate provided on a top portion of one end thereof and formed with a needle insertion hole, and a lower thread supplier provided below the fixed plate to feed a lower thread through the needle insertion hole; and a presser which is connected to the other end of the body at one end thereof by a rotating shaft, and includes a fastening needle installed to the other end to stitch an object and penetrating the needle insertion hole together with an upper thread, in which the object is stitched with the upper thread and the lower thread when pressure is applied to the presser. Since the sheets of paper are bound with the thread, it is possible to prevent the paper from being discolored or crumbed.Type: ApplicationFiled: November 3, 2016Publication date: January 18, 2018Inventor: Jun Gu Kim
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Publication number: 20140301113Abstract: There are provided a solar power supply apparatus switching a synchronous rectifying switch instead of a snubber switch to increase power conversion efficiency, and a method of controlling power supply thereof. The solar power supply apparatus includes a power supply unit switching power input by a photovoltaic cell to convert power, synchronously rectifying and outputting the power converted depending on the power conversion switching, and suppressing surplus power generated by the power conversion switching in a snubbing operation; and a control unit controlling the synchronous rectification operation and the snubbing operation of the power supply unit depending on a spike voltage generated by the power conversion switching.Type: ApplicationFiled: July 12, 2013Publication date: October 9, 2014Inventors: Tae Won LEE, Jin Woo JANG, Young Hyok JI, Young Ho KIM, Chung Yuen WON, Min Ho HEO, Jun Gu KIM
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Patent number: 8736111Abstract: There is provided an apparatus for the anti-islanding of a power conditioning system. The apparatus for the anti-islanding of a power conditioning system according to the present invention is applied to a power conditioning system including a DC/DC converter and a DC/AC inverter in order to transfer power from a solar cell array to a grid. The apparatus for the anti-islanding of a power conditioning system may include an injection signal generator generating an injection signal, an adder generating a final fundamental wave command value, a main controller performing the power control according to the final fundamental wave command value and stopping the operation of the power conditioning system when the level of the detected injection signal has reached the predetermined reference level or more, and an injection signal detector detecting the injection signal included in voltage and providing them to the main controller.Type: GrantFiled: November 19, 2010Date of Patent: May 27, 2014Assignees: Samsung Electro-Mechanics Co., Ltd., Sungkyunkwan University Foundation for Corporate CollaborationInventors: Doo Young Song, Tae Hoon Kim, Tae Won Lee, Don Sik Kim, Jin Wook Kim, Jae Hyung Kim, Jun Gu Kim, Yong Hyok Ji, Chung Yuen Won, Byoung Kuk Lee
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Publication number: 20140085944Abstract: There are provided a DC-AC power converting apparatus including no capacitor or a small capacity capacitor for removing a ripple in an input terminal thereof by charging or discharging power according to a difference between output power and instantaneous system power of a photovoltaic cell, and a solar power supplying apparatus including the same, the DC-AC power converting apparatus including a DC-AC power converting unit converting DC power into AC power, and a charging and discharging unit charging surplus power induced when a level of the DC power is higher than that of the AC power and discharging the charged power when the level of the DC power is lower than that of the AC power.Type: ApplicationFiled: February 19, 2013Publication date: March 27, 2014Applicants: Research & Business Foundation Sungkyunkwan University, SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Tae Won LEE, Min Ho HEO, Jun Gu KIM, Chung Yuen WON, Yong Hyok JI, Young Ho KIM, Doo Young SONG, Gyu Dong KIM
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Publication number: 20130286698Abstract: There are provided a power converting apparatus and an operating method thereof, and a solar power generation system. The power converting apparatus for a solar power generation system includes: a power converting unit converting an input signal generated by a solar cell module into an output signal; and a control circuit unit controlling an operation of the power converting unit, wherein the power converting unit includes at least one transformer, and a current sensor and a switching circuit connected to a primary winding of the at least one transformer, and the control circuit unit calculates a voltage and a current of the input signal using a current of the primary winding of the at least one transformer sensed by the current sensor and performs a maximum power point tracking (MPPT) control so that the power converting unit is operated at a maximum power point.Type: ApplicationFiled: August 24, 2012Publication date: October 31, 2013Inventors: Tae Won Lee, Min Ho Heo, Doo Young Song, Ju Suk Kang, Yong Hyok Ji, Jun Gu Kim, Young Ho Kim, Chun Yuen Won
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Patent number: 8406022Abstract: There are provided an apparatus and a method for controlling the power quality of a power generation system. According to the present invention, there is provided an apparatus for controlling the power quality of a power generation system including a DC/AC inverter converting DC voltage into AC voltage and supplying inverter current to a grid, including: a grid voltage phase follower generating a grid signal; a fundamental extractor extracting a magnitude of a fundamental wave of a load current introduced into a non-linear load connected between the DC/AC inverter and the grid; a first calculator subtracting a preset current compensation value from the magnitude of the fundamental wave from the fundamental extractor; and a second calculator generating an inverter current instruction value for the DC/AC inverter by using the output value of the first calculator and the grid signal and the load current from the grid voltage phase follower.Type: GrantFiled: October 18, 2010Date of Patent: March 26, 2013Assignees: Samsung Electro-Mechanics Co., Ltd., Sungkyunkwan University Foundation for Corporate CollaborationInventors: Tae Hoon Kim, Jae Hyung Kim, Jun Gu Kim, Yong Hyok Ji, Chung Yuen Won, Doo Young Song, Byoung Kuk Lee, Dong Seong Oh, Tae Won Lee, Jin Wook Kim
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Publication number: 20110309684Abstract: There is provided an apparatus for the anti-islanding of a power conditioning system. The apparatus for the anti-islanding of a power conditioning system according to the present invention is applied to a power conditioning system including a DC/DC converter and a DC/AC inverter in order to transfer power from a solar cell array to a grid. The apparatus for the anti-islanding of a power conditioning system may include an injection signal generator generating an injection signal, an adder generating a final fundamental wave command value, a main controller performing the power control according to the final fundamental wave command value and stopping the operation of the power conditioning system when the level of the detected injection signal has reached the predetermined reference level or more, and an injection signal detector detecting the injection signal included in voltage and providing them to the main controller.Type: ApplicationFiled: November 19, 2010Publication date: December 22, 2011Applicants: SUNGKYUNKWAN UNIVERSITY Foundation for Corporate Collaboration, SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Doo Young SONG, Tae Hoon KIM, Tae Won LEE, Don Sik KIM, Jin Wook KIM, Jae Hyung KIM, Jun Gu KIM, Yong Hyok JI, Chung Yuen WON, Byoung Kuk LEE
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Publication number: 20110255307Abstract: There are provided an apparatus and a method for controlling the power quality of a power generation system. According to the present invention, there is provided an apparatus for controlling the power quality of a power generation system including a DC/AC inverter converting DC voltage into AC voltage and supplying inverter current to a grid, including: a grid voltage phase follower generating a grid signal; a fundamental extractor extracting a magnitude of a fundamental wave of a load current introduced into a non-linear load connected between the DC/AC inverter and the grid; a first calculator subtracting a preset current compensation value from the magnitude of the fundamental wave from the fundamental extractor; and a second calculator generating an inverter current instruction value for the DC/AC inverter by using the output value of the first calculator and the grid signal and the load current from the grid voltage phase follower.Type: ApplicationFiled: October 18, 2010Publication date: October 20, 2011Applicants: SUNGKYUNKWAN UNIVERSITY Foundation for Corporate Collaboration, SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Tae Hoon KIM, Jae Hyung KIM, Jun Gu KIM, Yong Hyok JI, Chung Yuen WON, Doo Young SONG, Byoung Kuk LEE, Dong Seong OH, Tae Won LEE, Jin Wook KIM
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Patent number: 5933022Abstract: An input pad (4) is adapted to include a input signal terminal for receiving input signal (A), an enable terminal for receiving power-down signal (P-), and a logic gate (such as a NOR Boolean arithmetic unit) to perform logical arithmetic upon receiving the input signal (A) and the power-down signal (P-) from the input terminal and the enable terminal, respectively. Such input pad (A) is employed in a low-current consuming integrated circuit having a limited number of input pads for increasing the number of available input pads for receiving input signal thus increasing the process speed.Type: GrantFiled: October 10, 1997Date of Patent: August 3, 1999Assignee: Samsung Electronics Co., LtdInventors: Jun-gu Kim, Heung-jig Lee