Patents by Inventor Chang Kwon Park
Chang Kwon Park 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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Patent number: 11942181Abstract: A semiconductor device comprises: a first or a second path configured to transmit a first signal which swings between a ground level and a first level, a third path configured to transmit a second signal which swings between the ground level and a second level lower than the first level, a transmitter configured to output received the first signal through the first or second path as the second signal to the third path, and initialize in response to an enable signal, and a receiver configured to output received the second signal through the third path as the first signal through the first or second path, determine level of the second signal through a reference level that is regulated according to a fed-back level of an output terminal thereof, and initialize in response to the enable signal.Type: GrantFiled: December 17, 2021Date of Patent: March 26, 2024Assignee: SK hynix Inc.Inventors: Jinhyung Lee, Myeong Jae Park, Su Hyun Oh, Chang Kwon Lee
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Patent number: 9453299Abstract: The present invention relates to a home appliance, to a home appliance system, and to a method for operating same, wherein the home appliance and a mobile terminal are connected to one another to add or update data in the home appliance through the mobile terminal connected thereto, diagnose the state of the home appliance by means of the mobile terminal, and supplement the function of the home appliance by means of the mobile terminal, thus expanding the functions of the home appliance to enable the easy control of the home appliance, and more conveniently controlling the home appliance.Type: GrantFiled: May 17, 2011Date of Patent: September 27, 2016Assignee: LG ELECTRONICS INC.Inventors: Chang Kwon Park, Mi Kyung Ha, Min Hwan Hong, Woon Je Choe, Jong Hye Han, Pyoung Hwan Kim, Sang Su Lee
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Patent number: 9422658Abstract: The present invention relates to a home appliance, to a home appliance system, and to a method for operating same, wherein the home appliance and a mobile terminal are connected to one another to add or update data in the home appliance through the mobile terminal connected thereto, diagnose the state of the home appliance by means of the mobile terminal, and supplement the function of the home appliance by means of the mobile terminal, thus expanding the functions of the home appliance to enable the easy control of the home appliance, and more conveniently controlling the home appliance.Type: GrantFiled: May 17, 2011Date of Patent: August 23, 2016Assignee: LG ELECTRONICS INC.Inventors: Chang Kwon Park, Mi Kyung Ha, Min Hwan Hong, Woon Je Choe, Jong Hye Han, Pyoung Hwan Kim, Sang Su Lee
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Patent number: 9347167Abstract: The present invention relates to a home appliance, to a home appliance system, and to a method for operating same, wherein the home appliance and a mobile terminal are connected to one another to add or update data in the home appliance through the mobile terminal connected thereto, diagnose the state of the home appliance by means of the mobile terminal, and supplement the function of the home appliance by means of the mobile terminal, thus expanding the functions of the home appliance to enable the easy control of the home appliance, and more conveniently controlling the home appliance.Type: GrantFiled: May 17, 2011Date of Patent: May 24, 2016Assignee: LG ELECTRONICS INC.Inventors: Chang Kwon Park, Mi Kyung Ha, Min Hwan Hong, Woon Je Choe, Jong Hye Han, Pyoung Hwan Kim, Sang Su Lee
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Patent number: 9051675Abstract: A washing machine is disclosed. The washing machine has a function of rotating a drum (130) at a low speed when a user pulls out laundry, enabling the user to easily search through the laundry. The washing machine includes a cabinet (100) defining an exterior appearance of the washing machine, a tub (120) mounted in the cabinet (100) and configured to receive wash water therein, a drum (130) rotatably mounted in the tub (120) and configured to receive laundry therein, an independent drive input unit (200) to send a drum rotating signal, so as to allow a user to operate the drum (130) independently of a washing process, and a control unit to control rotation of the drum (130) in response to a signal received from the independent drive input unit (200).Type: GrantFiled: September 11, 2009Date of Patent: June 9, 2015Assignee: LG Electronics Inc.Inventors: Sang Wook Hong, Ji Hee Kim, Sang Su Lee, Sun Young Park, Bon Kwon Koo, Jae Won Chang, Ki Young Kang, Chang Kwon Park
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Patent number: 9027516Abstract: A domestic combined heat and power system including a power unit, a heat-storage tank which receives waste heat of the power unit for storing heat in direct water, and a main heat exchanger connected to the heat-storage tank, being heated by a burner so as to use the water as hot water. A waste-heat heat exchanger filled with a heat-transfer medium is installed between the power unit and the heat-storage tank such that a waste-heat pipe is arranged in the form of a coil at one side inside the waste-heat heat exchanger, and a heat-storage pipe of the heat-storage tank is arranged in the form of a coil at the other side. Waste heat of the power unit is indirectly heat exchanged to the heat-storage tank through the heat-transfer medium. Costs and waste of energy consumption are reduced, and there is sharing of functions that are duplicated across the heat-storage tank.Type: GrantFiled: July 19, 2011Date of Patent: May 12, 2015Assignee: Kyungdong Navien Co., Ltd.Inventor: Chang Kwon Park
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Patent number: 8869568Abstract: A washing machine is disclosed, which includes a receiving part (2) to receive laundry, a supply path (4) to supply outside air of the receiving part (2) into the receiving part (2), a heating member (41) to heat the air introduced in the supply path (4), an exhaust path (5) through which the air in the receiving part (2) is exhausted to the outside, and a heat transfer part (6) to transfer heat of the air flowing through the exhaust path (5) to the air flowing in through the supply path (4).Type: GrantFiled: September 11, 2009Date of Patent: October 28, 2014Assignee: LG Electronics Inc.Inventors: Sang Wook Hong, Ji Hee Kim, Sang Su Lee, Sun Young Park, Bon Kwon Koo, Jae Won Chang, Ki Young Kang, Chang Kwon Park
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Publication number: 20130291809Abstract: The present invention relates to a domestic combined heat and power system, and the domestic combined heat and power system includes a power unit, a heat-storage tank which receives waste heat of the power unit and stores heat in direct water, and a main heat exchanger which is connected to the heat-storage tank and is heated by a burner so as to use the water as hot water or heating water, in which a waste-heat heat exchanger filled with a heat-transfer medium is installed between the power unit and the heat-storage tank such that a waste-heat pipe of the power unit is arranged in the form of a coil at one side inside the waste-heat heat exchanger, and a heat-storage pipe of the heat-storage tank is arranged in the form of a coil at the other side, so that waste heat of the power unit is indirectly heat exchanged to the heat-storage tank through the heat-transfer medium; in which hot-water piping coming out from the heat-storage tank is arranged so as to be indirectly heat exchanged via a hot-water heat exchType: ApplicationFiled: July 19, 2011Publication date: November 7, 2013Applicant: KYUNGDONG NAVIEN CO., LTD.Inventor: Chang Kwon Park
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Publication number: 20130185079Abstract: The present invention relates to a home appliance, to a home appliance system, and to a method for operating same, wherein the home appliance and a mobile terminal are connected to one another to add or update data in the home appliance through the mobile terminal connected thereto, diagnose the state of the home appliance by means of the mobile terminal, and supplement the function of the home appliance by means of the mobile terminal, thus expanding the functions of the home appliance to enable the easy control of the home appliance, and more conveniently controlling the home appliance.Type: ApplicationFiled: May 17, 2011Publication date: July 18, 2013Inventors: Chang Kwon Park, Mi Kyung Ha, Min Hwan Hong, Woon Je Choe, Jong Hye Han, Pyoung Hwan Kim, Sang Su Lee
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Publication number: 20120137739Abstract: A washing machine is disclosed. The washing machine has a function of rotating a drum (130) at a low speed when a user pulls out laundry, enabling the user to easily search through the laundry. The washing machine includes a cabinet (100) defining an exterior appearance of the washing machine, a tub (120) mounted in the cabinet (100) and configured to receive wash water therein, a drum (130) rotatably mounted in the tub (120) and configured to receive laundry therein, an independent drive input unit (200) to send a drum rotating signal, so as to allow a user to operate the drum (130) independently of a washing process, and a control unit to control rotation of the drum (130) in response to a signal received from the independent drive input unit (200).Type: ApplicationFiled: September 11, 2009Publication date: June 7, 2012Applicant: LG ELECTRONICS INC.Inventors: Sang Wook Hong, Ji Hee Kim, Sang Su Lee, Sun Young Park, Bon Kwon Koo, Jae Won Chang, Ki Young Kang, Chang Kwon Park
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Publication number: 20120036900Abstract: A washing machine is disclosed which washes laundry using a mechanical force. The washing machine includes a display unit (60) formed at a door (40) to display information on washing, accordingly expanding the installation space for the display unit (60). In addition, when the display unit comprises a touch screen, not only input and display of the washing information but also visual inspection of laundry in a drum can be achieved by the display unit.Type: ApplicationFiled: September 11, 2009Publication date: February 16, 2012Applicant: LG ELECTRONICS INC.Inventors: Sang Wook Hong, Ji Hee Kim, Sang Su Lee, Sun Young Park, Jae Won Chang, Ki Young Kang, Chang Kwon Park, Bon Kwon Koo
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Publication number: 20120036902Abstract: A washing machine is disclosed, which includes a receiving part (2) to receive laundry, a supply path (4) to supply outside air of the receiving part (2) into the receiving part (2), a heating member (41) to heat the air introduced in the supply path (4), an exhaust path (5) through which the air in the receiving part (2) is exhausted to the outside, and a heat transfer part (6) to transfer heat of the air flowing through the exhaust path (5) to the air flowing in through the supply path (4).Type: ApplicationFiled: September 11, 2009Publication date: February 16, 2012Applicant: LG ELECTRONICS INC.Inventors: Sang Wook Hong, Ji Hee Kim, Sang Su Lee, Sun Young Park, Bon Kwon Koo, Jae Won Chang, Ki Young Kang, Chang Kwon Park
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Publication number: 20120019114Abstract: A washing machine is disclosed. A washing machine includes a cabinet defining an exterior appearance thereof and a detergent storage box detachably installed to the cabinet, the detergent box having transparent appearance for a user to identify the amount of detergent introduced into the washing machine.Type: ApplicationFiled: September 11, 2009Publication date: January 26, 2012Applicant: LG ELECTRONICS INC.Inventors: Sang Wook Hong, Ji Hee Kim, Sang Su Lee, Sun Young Park, Bon Kwon Koo, Jae Won Chang, Ki Young Kang, Chang Kwon Park
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Publication number: 20120011735Abstract: The present invention relates to a dryer (100), including a cabinet (110) which forms an exterior of the dryer (100), a drum (120, 120a, 120b, 120c) rotatably mounted in the cabinet (110), the drum (120, 120a, 120b, 120c) having a plurality of lifters (127, 127a, 127b, 127c), and a partition unit (200, 200a, 200b, 200c) slidably movable along the lifters (127, 127a, 127b, 127c) in a direction of a rotation axis of the drum (120, 120a, 120b, 120c) for partitioning a drying space of the drum (120, 120a, 120b, 120c), thereby permitting to use a space in the drum (120, 120a, 120b, 120c) of the dryer (100) effectively according to an amount of clothes.Type: ApplicationFiled: September 11, 2009Publication date: January 19, 2012Inventors: Sang Wook Hong, Ji Hee Kim, Sang Su Lee, Sun Young Park, Bon Kwon Koo, Jae Won Chang, Ki Young Kang, Chang Kwon Park
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Publication number: 20080168805Abstract: Disclosed is laundry device having a steam generator (200), which prevents water from being excessively supplied to a case and steam generated from the case from adversely flowing toward a water supply valve (104), and removes overpressure due to steam generated in the case. A water oversupply prevention unit (220) for preventing the water from being excessively supplied to the case is a hollow floater, which moves vertically according to the amount of the water supplied to the case to open and close a water supply hole (211a). A backflow prevention unit (230) for preventing steam generated from the case from adversely flowing toward the water supply hole (211a) is a check valve, which allows the water to be supplied only to the inside of the case, prevents the steam generated from the case from flowing toward the water supply valve (104), and in installed between a water supply hole (211a) and the water supply valve (104).Type: ApplicationFiled: May 18, 2006Publication date: July 17, 2008Inventors: Dong An Kim, Chang Kwon Park