Patents by Inventor Chang-bok Lee
Chang-bok Lee 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: 20240069875Abstract: Disclosed herein are a neural network model deployment method and apparatus for providing a deep learning service. The neural network model deployment method may include providing a specification wizard to a user, searching for and training a neural network based on a user requirement specification that is input through the specification wizard, generating a neural network template code based on the user requirement specification and the trained neural network, converting the trained neural network into a deployment neural network that is usable in a target device based on the user requirement specification, and deploying the deployment neural network to the target device.Type: ApplicationFiled: June 14, 2023Publication date: February 29, 2024Inventors: Jae-Bok PARK, Chang-Sik CHO, Kyung-Hee LEE, Ji-Young KWAK, Seon-Tae KIM, Hong-Soog KIM, Jin-Wuk SEOK, Hyun-Woo CHO
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Patent number: 11912804Abstract: A core-shell copolymer, a method of making the same, and a thermoplastic resin composition including the same are disclosed herein. In some embodiments, a core-shell copolymer includes a core and a shell surrounding the core, the core includes a conjugated diene-based monomer-derived repeating unit and a phosphate-based cross-linking agent-derived cross-linking part represented by Formula 1, and the shell includes a first alkyl (meth)acrylate monomer-derived repeating unit, a second alkyl (meth)acrylate monomer-derived repeating unit, and a sulfonate-based ionic monomer-derived repeating unit represented by Formula 2. The core is 68 parts to 92 parts and the shell is 8 parts to 32 parts, based on 100 parts of the core-shell copolymer, the core has a swell index of 2.7 to 10.9, the shell includes 1 wt % to 16 wt % of the sulfonate-based ionic monomer-derived repeating unit, and the shell has a weight average molecular weight of 105,000 g/mol to 645,000 g/mol.Type: GrantFiled: October 11, 2019Date of Patent: February 27, 2024Assignee: LG Chem, Ltd.Inventors: Kwang Jin Lee, Yoon Ho Kim, Sang Il Nam, Kyung Bok Sun, Chang No Lee, Sang Hoon Han
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Patent number: 11835585Abstract: A battery current measuring device includes a switching element configured to control charging and discharging of a battery, an A/D converter configured to convert a voltage value across the switching element into a digital value, a temperature compensation unit having a diode structure capable of compensating for a resistance change according to a change of temperature of the switching element, and a current calculation unit configured to calculate a current flowing through the switching element based on the digital value of the voltage value, and the A/D converter converts the voltage value of the switching element into the digital value using a reference voltage inputted from the temperature compensation unit.Type: GrantFiled: January 3, 2020Date of Patent: December 5, 2023Inventors: Won Tae Lee, Chang Bok Lee, Sung Tack Hwang
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Patent number: 11804723Abstract: A relay switch device installed on a transmission line of a battery pack to electrically connect or disconnect the battery pack and a load includes a relay assembly including: a contact member configured to apply a current to or release a current from the transmission line and a coil unit configured to function as an electromagnet for opening and closing the contact member; a control unit configured to supply or block a relay power applied to the coil unit; and an operating voltage sensing unit configured to sense an operating voltage applied to the coil unit from the control unit. The operating voltage sensing unit is further configured to transmit an error message to the control unit when the operating voltage is lower than a preset reference operating voltage or out of a preset normal operating voltage range.Type: GrantFiled: November 7, 2019Date of Patent: October 31, 2023Inventors: Jin-Hyung Lee, Chang-Bok Lee
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Publication number: 20220082629Abstract: A battery current measuring device includes a switching element configured to control charging and discharging of a battery, an A/D converter configured to convert a voltage value across the switching element into a digital value, a temperature compensation unit having a diode structure capable of compensating for a resistance change according to a change of temperature of the switching element, and a current calculation unit configured to calculate a current flowing through the switching element based on the digital value of the voltage value, and the A/D converter converts the voltage value of the switching element into the digital value using a reference voltage inputted from the temperature compensation unit.Type: ApplicationFiled: January 3, 2020Publication date: March 17, 2022Applicant: LG Energy Solution, Ltd.Inventors: Won Tae Lee, Chang Bok Lee, Sung Tack Hwang
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Patent number: 11264146Abstract: Disclosed is a flat cable with an improved function of preventing a short phenomenon that may occur when the flat cable is incorrectly inserted into a connector. The flat cable according to an embodiment of the present disclosure is a flat cable extending straight in a direction and having a front end that is inserted and connected to an external connector, and includes a plurality of conductors extending straight along a lengthwise direction of the flat cable, spaced apart a predetermined distance in a widthwise direction of the flat cable, and a cable body made of an insulating material, and extending straight along the lengthwise direction of the flat cable, wherein the conductors are mounted on at least one surface.Type: GrantFiled: January 25, 2019Date of Patent: March 1, 2022Inventors: Kyu-Hwan Oh, Bo-Sung Kim, Chang-Bok Lee, Yang-Lim Choi
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Publication number: 20210234383Abstract: A relay switch device installed on a transmission line of a battery pack to electrically connect or disconnect the battery pack and a load includes a relay assembly including: a contact member configured to apply a current to or release a current from the transmission line and a coil unit configured to function as an electromagnet for opening and closing the contact member; a control unit configured to supply or block a relay power applied to the coil unit; and an operating voltage sensing unit configured to sense an operating voltage applied to the coil unit from the control unit. The operating voltage sensing unit is further configured to transmit an error message to the control unit when the operating voltage is lower than a preset reference operating voltage or out of a preset normal operating voltage range.Type: ApplicationFiled: November 7, 2019Publication date: July 29, 2021Applicant: LG Chem, Ltd.Inventors: Jin-Hyung Lee, Chang-Bok Lee
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Publication number: 20200203038Abstract: Disclosed is a flat cable with an improved function of preventing a short phenomenon that may occur when the flat cable is incorrectly inserted into a connector. The flat cable according to an embodiment of the present disclosure is a flat cable extending straight in a direction and having a front end that is inserted and connected to an external connector, and includes a plurality of conductors extending straight along a lengthwise direction of the flat cable, spaced apart a predetermined distance in a widthwise direction of the flat cable, and a cable body made of an insulating material, and extending straight along the lengthwise direction of the flat cable, wherein the conductors are mounted on at least one surface.Type: ApplicationFiled: January 25, 2019Publication date: June 25, 2020Applicant: LG Chem, Ltd.Inventors: Kyu-Hwan Oh, Bo-Sung Kim, Chang-Bok Lee, Yang-Lim Choi
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Patent number: 10511005Abstract: Disclosed is a battery pack, which includes a pack case forming an appearance of the battery pack, a battery module assembly provided in the pack case and having at least one battery module, and a service plug configured to electrically connect the battery module assembly or cut off the electric connection of the battery module assembly, the service plug having a plug bus bar directly connected to the battery module assembly.Type: GrantFiled: May 12, 2016Date of Patent: December 17, 2019Assignee: LG CHEM, LTD.Inventors: Chang-Bok Lee, Jin-Hyung Lee
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Patent number: 10382659Abstract: A surveillance camera system includes a camera portion; a base portion supporting the camera portion to be rotatable, and including a main circuit board; a flexible printed circuit board (FPCB) connecting the camera portion to the main circuit board, and including a first end portion connected to the camera portion, a second end portion connected to the main circuit board, and a conductive line extension portion disposed between the first end portion and the second end portion, wherein a plurality of slits are arranged in the conductive line extension portion; and a first binding member and a second binding member respectively surrounding a part of the conductive line extension portion and being spaced apart from each other.Type: GrantFiled: May 12, 2017Date of Patent: August 13, 2019Assignee: HANWHA TECHWIN CO., LTD.Inventors: Youn Sik Choi, Chang Bok Lee, Mee Jee Jeong
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Patent number: 10315942Abstract: This invention relates to a resource-recycling type method and apparatus for treating industrial wastewater using an oxidizing agent produced from wastewater, wherein, in the treatment of industrial wastewater containing nitrogen compounds and refractory COD-causing pollutants, an oxidizing agent is autonomously produced using ammonia gas stripped from wastewater and is then added back to the wastewater, thus economically treating the wastewater without the need to purchase an expensive oxidizing agent.Type: GrantFiled: December 23, 2016Date of Patent: June 11, 2019Assignee: Techwin Co, Ltd.Inventors: Boong Ik Jung, Jung Sik Kim, Do Won Jung, Chang Bok Lee, Seong Cheol Han, Sung Hwan Jang
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Patent number: 10204565Abstract: Disclosed are an organic light emitting display panel, an organic light emitting display device, and a method of driving the organic light emitting display device. The organic light emitting display panel, the organic light emitting display device, and the method of driving the organic light emitting display device having a subpixel structure and a gate line connection structure in which two types of scan transistors within each subpixel can be individually turned on and off and image driving and various types of sensing driving can be performed while the aperture ratio increases through the individual on and off of the scan transistors.Type: GrantFiled: December 23, 2016Date of Patent: February 12, 2019Assignee: LG Display Co., Ltd.Inventors: Yong Kyu Park, Seokyu Jang, Chang Bok Lee
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Publication number: 20180205058Abstract: Disclosed is a battery pack, which includes a pack case forming an appearance of the battery pack, a battery module assembly provided in the pack case and having at least one battery module, and a service plug configured to electrically connect the battery module assembly or cut off the electric connection of the battery module assembly, the service plug having a plug bus bar directly connected to the battery module assembly.Type: ApplicationFiled: May 12, 2016Publication date: July 19, 2018Applicant: LG Chem, Ltd.Inventors: Chang-Bok LEE, Jin-Hyung LEE
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Publication number: 20180013938Abstract: A surveillance camera system includes a camera portion; a base portion supporting the camera portion to be rotatable, and including a main circuit board; a flexible printed circuit board (FPCB) connecting the camera portion to the main circuit board, and including a first end portion connected to the camera portion, a second end portion connected to the main circuit board, and a conductive line extension portion disposed between the first end portion and the second end portion, wherein a plurality of slits are arranged in the conductive line extension portion; and a first binding member and a second binding member respectively surrounding a part of the conductive line extension portion and being spaced apart from each other.Type: ApplicationFiled: May 12, 2017Publication date: January 11, 2018Applicant: Hanwha Techwin Co., Ltd.Inventors: Youn Sik CHOI, Chang Bok LEE, Mee Jee JEONG
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Publication number: 20170193923Abstract: Disclosed are an organic light emitting display panel, an organic light emitting display device, and a method of driving the organic light emitting display device. The organic light emitting display panel, the organic light emitting display device, and the method of driving the organic light emitting display device having a subpixel structure and a gate line connection structure in which two types of scan transistors within each subpixel can be individually turned on and off and image driving and various types of sensing driving can be performed while the aperture ratio increases through the individual on and off of the scan transistors.Type: ApplicationFiled: December 23, 2016Publication date: July 6, 2017Inventors: Yong Kyu PARK, Seokyu JANG, Chang Bok LEE
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Publication number: 20170107137Abstract: This invention relates to a resource-recycling type method and apparatus for treating industrial wastewater using an oxidizing agent produced from wastewater, wherein, in the treatment of industrial wastewater containing nitrogen compounds and refractory COD-causing pollutants, an oxidizing agent is autonomously produced using ammonia gas stripped from wastewater and is then added back to the wastewater, thus economically treating the wastewater without the need to purchase an expensive oxidizing agent.Type: ApplicationFiled: December 23, 2016Publication date: April 20, 2017Inventors: Boong Ik Jung, Jung Sik Kim, Do Won Jung, Chang Bok Lee, Seong Cheol Han, Sung Hwan Jang
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Patent number: 8027595Abstract: A method and apparatus to store information on an amount of toner used. The method includes determining whether a customer replaceable unit monitor (CRUM) memory to store information on an amount of used toner is included in a cartridge of an image forming device; storing the information on the amount of used toner in a non-volatile memory of the image forming device when the CRUM memory is not included in the cartridge of the image forming device; and storing the information on the amount of used toner in the CRUM memory when the CRUM memory is included in the cartridge.Type: GrantFiled: January 4, 2008Date of Patent: September 27, 2011Assignee: Samsung Electronics Co., Ltd.Inventors: Il-su Lee, Yong-geun Kim, Hae-seog Jo, Chang-bok Lee, Young-kak Lim
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Patent number: 7834332Abstract: A thin film pattern forming device includes a chamber case having an inner space communicated with the outside, a first fixing unit provided in the chamber case, a pattern electrode plate having a certain shape and fixed to the first fixing unit, and a second fixing unit provided in the chamber case and spaced apart from the pattern electrode plate. A substrate on which an inked metallic nano-material is deposited is received on the second fixing unit. The device also includes a power supply unit for supplying power to the first fixing unit and the second fixing unit, and a drying unit for drying the inked metallic nano-material patterned on the substrate.Type: GrantFiled: November 3, 2006Date of Patent: November 16, 2010Assignee: Top Engineering Co., Ltd.Inventors: Chang-Bok Lee, Jung-Woong Son
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Patent number: 7450143Abstract: An electro-photographic image forming device that is capable of controlling a print speed and a method for controlling the same, wherein the electro-photographic image forming device has an engine mechanism including a laser scanning unit, a developing unit, a transfer roller, and a fixing unit. The electro-photographic image forming device further includes a first driving unit for driving the laser scanning unit, a second driving unit for driving the photosensitive medium, the developing unit, the transfer roller, and the fixing unit, and a controller for controlling the first and second driving units so as to have the laser scanning unit driven at a first driving speed and to have the photosensitive medium, the developing unit, the transfer roller, and the fixing unit, driven at a second driving speed in the engine mechanism when it is determined that a print mode for printing desired print data is set to a draft mode.Type: GrantFiled: July 14, 2005Date of Patent: November 11, 2008Assignee: Samsung Electronics Co., Ltd.Inventor: Chang-bok Lee
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Patent number: D879128Type: GrantFiled: September 4, 2018Date of Patent: March 24, 2020Assignee: ROBORUS CO., LTD.Inventors: Dae Hoon Kim, Tae Hyun Lee, Sang Ki Lee, Sang In Lee, Jun Sung Park, Hee Jeong Jeong, Chang Bok Lee