Patents by Inventor Chang-hyun Park
Chang-hyun 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).
-
Publication number: 20240082095Abstract: Disclosed is an exoskeleton-type rehabilitation robot system, including: a body part provided on a chair in which a user sits and provided with a robot arm capable of moving left or right based on the user seated on the chair; a conversion part configured to convert a position of the robot arm with respect to the body part; a driving part configured to articulate the robot arm with respect to the body part; and a controller configured to detect a change in a position of the robot arm and control a left or right driving mode of the driving part according to the position of the robot arm. In accordance with such a configuration, the exoskeleton-type rehabilitation robot system of the present invention is provided integrally with a chair, thereby having excellent space utilization. In addition, the user's initial preparation for rehabilitation training is simple, which can improve efficiency.Type: ApplicationFiled: December 27, 2021Publication date: March 14, 2024Applicant: HEXARHUMANCAR CO., LTDInventors: Chang Soo HAN, Ho Jun KIM, Su Hyun PARK, Young Hoon JI, Jeong Ho CHO, Byung Gab RYU, Jeong Gyu PARK, Dong Eun CHOI
-
Patent number: 11918981Abstract: The present invention relates to a perovskite metal oxide catalyst substituted with metal ions for reducing carbon deposition, a method for producing the same, and a process for performing a methane reforming reaction using this catalyst. According to the present invention, a novel type of catalyst is produced in which Ni, iron or cobalt in ionic form is substituted at a portion of the Ti site (B-site) of SrTiO3, MgTiO3, CaTiO3 or BaTiO3, which is a multicomponent metal oxide having a perovskite (ABO3) structure. Then, various methane reforming reactions (e.g., steam-methane reforming (SMR), dry reforming of methane (DRM), catalytic partial oxidation of methane (CPOM), etc.) may be efficiently and economically performed using this catalyst. The nickel-substituted perovskite metal oxide catalyst according to the present invention has a structure in which Ni2+, Co2+, Fe2+, Co3+ or Fe3+ is substituted in the perovskite lattice structure.Type: GrantFiled: November 6, 2017Date of Patent: March 5, 2024Assignee: INDUSTRY FOUNDATION OF CHONNAM NATIONAL UNIVERSITYInventors: Chang Hyun Ko, Ji Yoon Jeon, Jeong Woo Yun, Eun Gyong Park
-
Patent number: 11919688Abstract: According to an embodiment of the present disclosure, a content container is provided. The content container may include: a container part configured to accommodate a liquid content; an upper cap that is detachably coupled to the container part and includes a first accommodation part configured to accommodate a solid content and a pressing part moved by being pressed; and a lower cap that is inserted into the container part, and includes an accommodation tube forming a second accommodation part and a plurality of communication holes formed in the outside of the accommodation tube to communicate with the container part, wherein, by pressing the upper cap, the solid content is moved from the first accommodation part to the second accommodation part.Type: GrantFiled: March 18, 2021Date of Patent: March 5, 2024Assignee: KOLMAR BNH CO., LTDInventors: Chang Soo Lee, Koo Sup Ahn, Jong Hyun Park, Sang In Han, Hye Jin Jung
-
Patent number: 11923610Abstract: In various embodiments, an antenna array may comprise a dielectric; a first patch antenna disposed on a first region of the dielectric; a second patch antenna disposed on a second region of the dielectric; and a ground layer including a first sub-ground layer in contact with a lower portion of the first region of the dielectric, a third sub-ground layer in contact with a lower portion of the second region of the dielectric, and a second sub-ground layer spaced apart from a lower portion between the first region and the second region of the dielectric.Type: GrantFiled: May 24, 2017Date of Patent: March 5, 2024Assignees: Samsung Electronics Co., Ltd., HONGIK UNIVERSITY INDUSTRY-ACADEMIA COOPERATION FOUNDATIONInventors: Jae-Hyun Park, Jeong-Hae Lee, Min-Seo Park, Young-Ho Ryu, Sung-Bum Park, Kwi-Seob Um, Chong-Min Lee, Chang-Hyun Lee
-
Publication number: 20240072423Abstract: An antenna assembly for use with a wireless communication wearable device. The antenna assembly includes a circuit board with components extending from a surface thereof. The antenna assembly has a first radiator antenna and a second radiator antenna which extends about the perimeter of the first antenna. A first slot is provided between the first radiator antenna and the second radiator antenna. The first slot separates the first radiator antenna from the second radiator antenna.Type: ApplicationFiled: August 29, 2022Publication date: February 29, 2024Applicants: TE Connectivity Solutions GmbH, Tyco Electronics AMP Korea Co., Ltd.Inventors: Chang Hyun LEE, Jung-Hoon Kim, Dong Wook Park, Kiran Vanjani
-
Patent number: 11915790Abstract: A memory system includes a memory device including an interface circuit and a semiconductor memory, and a controller to generate a command for controlling the memory device. The interface circuit receives the command from the controller; determines whether the command is for the semiconductor memory or the interface circuit; and when it is determined that the command is for the interface circuit, performs a blocking operation to block transfer of the command between the interface circuit and the semiconductor memory and performs an internal operation of the interface circuit. The internal operation includes a signal controlling operation, a training operation, a read operation, an on-die termination operation, a ZQ calibration operation, or a driving force control operation.Type: GrantFiled: May 26, 2022Date of Patent: February 27, 2024Assignee: SK hynix Inc.Inventors: Chang Kyun Park, Young Sik Koh, Seung Jin Park, Dong Hyun Lee
-
Publication number: 20240035477Abstract: An integrated water pump and valve device in which a water pump and a valve are integrally controlled by a single controller, and the water pump and the valve are integrated, thereby reducing an overall size.Type: ApplicationFiled: February 9, 2022Publication date: February 1, 2024Inventors: Kyung Hwan KIM, Chang Hyun PARK, Jae Sung BAE
-
Patent number: 11870325Abstract: The present disclosure provides a motor router comprising: an annular body having a first coil guide; and a guide part formed to protrude from the body, and having a second coil guide to which the first coil guide is connected, and thus the present invention reduces the number of parts and has a simplified configuration, thereby providing an advantageous effect of reducing manufacturing processes and manufacturing costs.Type: GrantFiled: January 17, 2023Date of Patent: January 9, 2024Assignees: LG INNOTEK CO., LTD., MANDO CORPORATIONInventors: Kyung Sang Park, Seong Jin Kim, Jung Woo Jo, Chang Hyun Park
-
Publication number: 20230417799Abstract: A multi-channel analog-digital converter (ADC) subsystem for test device such as a spectrum analyzer may include multiple multi-channel ADCs to receive down-converted signals and convert the received signals to digital output signals, a field programmable gate array (FPGA) to select one or more ADCs based on a frequency, a bandwidth, and/or a signal type of each received signal and a characteristic of each ADC, and an ADC sample clock to provide a clock signal to the selected ADCs. Characteristics of the ADCs may include a resolution, a signal-to-noise-and-distortion ratio (SINAD), an effective number of bits (ENOB), a signal-to-noise ratio (SNR), a total harmonic distortion (THD), a total harmonic distortion plus noise (THD+N), and/or a spurious free dynamic range (SFDR).Type: ApplicationFiled: June 27, 2022Publication date: December 28, 2023Applicant: VIAVI SOLUTIONS INC.Inventors: Chang-Hyun PARK, Bon-Jin KU, Seung-Gon HONG
-
Publication number: 20230398838Abstract: An integrated device of a pump and a valve is disclosed. The integrated device of a pump and a valve includes a drive unit, a valve assembly mounted on the drive unit and configured to be switchable to a first position or a second position by the drive unit, a pump mounted on the drive unit, and a controller configured to control operation of the drive unit and the pump. The valve assembly includes a plurality of inlets and a plurality of outlets. At the first position and the second position of the valve assembly, different fluid passages are formed in the valve assembly. The pump is configured to communicate with the valve assembly to allow a flow of fluid through the valve assembly.Type: ApplicationFiled: December 20, 2022Publication date: December 14, 2023Inventors: Ji Woong JUNG, Seung Woo YANG, Gun Goo LEE, Kyung Hwan KIM, Chang Hyun PARK, Jae Sung BAE
-
Publication number: 20230342046Abstract: The present technology relates to an electronic device. According to the present technology, a memory controller may include an attribute determiner configured to determine an attribute of each of a plurality of pages included in a first external device to indicate one of a hot page and a cold page, based on an access interval which is an interval from a time at which data is stored in each of the pages to a time at which access to the data is requested, a page analyzer configured to determine a ratio of hot pages having a hot page attribute to the plurality of pages, and a memory allocator configured to control one of the first external device and the second external device to store therein externally provided data based on the ratio of hot pages.Type: ApplicationFiled: October 4, 2022Publication date: October 26, 2023Inventors: Jun Hee RYU, Chang Hyun PARK, Kwang Jin KO, Young Pyo JOO
-
Patent number: 11774108Abstract: The present disclosure relates to a cooking apparatus, a method of controlling the cooking apparatus, and a knob of the cooking apparatus. An aspect of the present disclosure is to provide a display on a knob for setting a function of a cooking apparatus and to display status information of the cooking apparatus through the display of the knob, so that a user can easily and conveniently check the status information of the cooking apparatus. The cooking apparatus includes a knob comprising a fixing member fixed to a main body of the cooking apparatus, a rotating member supported by the fixing member and rotatably installed on the main body, and a display provided on the fixing member to display status information of the cooking apparatus; and a controller configured to transmit the status information of the cooking apparatus displayed on the display through a wireless communication network.Type: GrantFiled: December 19, 2018Date of Patent: October 3, 2023Assignee: Samsung Electronics Co., Ltd.Inventors: Chang Hyun Park, Hwa-Sung Kim, Su-Ho Jo, Jae Hoon Cha
-
Publication number: 20230305743Abstract: Provided herein may be a memory controller and a memory system including the same. The memory controller includes a scanning period controller configured to reset, whenever scanning points sequentially arrive, access information indicating whether each of a plurality of pages is accessed, and set a scanning interval for each of the pages between the scanning points for the page based on an attribute of the page, an attribute determiner configured to determine, as a hot page or a cold page, the attribute of each of the pages based on an access interval for the page from the first scanning point among the scanning points for the page to time at which access to data stored in the page is requested, and a memory allocator configured to control first and second memory devices based on the attributes of the pages.Type: ApplicationFiled: August 16, 2022Publication date: September 28, 2023Inventors: Jun Hee RYU, Kwang Jin Ko, Chang Hyun Park, Young Pyo Joo
-
Patent number: 11678194Abstract: A method performed by an electronic apparatus to provide information associated with activation of a portable terminal according to various embodiments includes acquiring order information associated with the portable terminal, acquiring information associated with delivery of the portable terminal corresponding to the order information from a server, and, based on the order information and the information associated with the delivery of the portable terminal, providing the information associated with the activation of the portable terminal, and the information associated with the activation comprises information on whether the portable terminal has been shipped out.Type: GrantFiled: October 12, 2021Date of Patent: June 13, 2023Assignee: Coupang Corp.Inventors: Cho Rong Kim, Jung Hun Lee, Min Jung Lee, Han Sol Kim, Young Jin Kim, Chang Hyun Park, Sang Won Seo, Hye Jin Kim, So Yeon Son, Mi Seon Lim, Yoo Jin Yang, Yoo Jeong Jo
-
Publication number: 20230155450Abstract: The present disclosure provides a motor router comprising: an annular body having a first coil guide; and a guide part formed to protrude from the body, and having a second coil guide to which the first coil guide is connected, and thus the present invention reduces the number of parts and has a simplified configuration, thereby providing an advantageous effect of reducing manufacturing processes and manufacturing costs.Type: ApplicationFiled: January 17, 2023Publication date: May 18, 2023Inventors: Kyung Sang PARK, Seong Jin KIM, Jung Woo JO, Chang Hyun PARK
-
Publication number: 20230155439Abstract: The present invention may provide a motor including a housing, a stator disposed in the housing, a rotor disposed in the stator, a busbar disposed on the stator, a plate disposed on the busbar, and a terminal part including a body part in contact with the plate and a protruding part protruding from the body part and disposed on the plate, wherein a part of the body part is disposed between the housing and the plate in a radial direction.Type: ApplicationFiled: March 19, 2021Publication date: May 18, 2023Applicant: LG INNOTEK CO., LTD.Inventors: Chang Hyun PARK, Dong Hyun SHIN
-
Publication number: 20230125238Abstract: The present invention can provide a motor including a housing, a stator disposed in the housing, a rotor disposed inside the stator, and a shaft coupled to the rotor, wherein the stator includes a stator core in contact with the housing, the stator core includes a first region and a second region having different outer diameters, the housing includes a third region and a fourth region having different inner diameters, the outer diameter of the first region is smaller than the outer diameter of the second region, the inner diameter of the third region is greater than the inner diameter of the fourth region, and the first region and the third region are disposed to overlap in a radial direction of the shaft.Type: ApplicationFiled: March 18, 2021Publication date: April 27, 2023Applicant: LG INNOTEK CO., LTD.Inventors: Hee Chul JUNG, Chang Hyun PARK
-
Patent number: 11634819Abstract: Provided is a solution composition for steel sheet surface treatment, comprising 30 wt % to 60 wt % of a trivalent chromium compound containing chromium phosphate (A) and chromium nitrate (B); 0.2 wt % to 0.4 wt % of a rust-inhibiting and corrosion-resisting agent; 0.1 wt % to 0.3 wt % of a molybdenum-based compound; 5 wt % to 10 wt % of a water-soluble cationic urethane resin; 0.5 wt % to 2.0 wt % of a silane coupling agent; and 27.3 wt % to 64.2 wt % of water, a zinc-based plated steel sheet surface-treated with the same, and a manufacturing method therefor, the zinc-based plated steel sheet surface-treated with the solution composition for steel sheet surface treatment containing trivalent chromium may have an excellent effect on corrosion resistance, blackening resistance, fingerprint resistance, oil resistance, and alkali resistance.Type: GrantFiled: April 28, 2022Date of Patent: April 25, 2023Assignees: POSCO, NOROO COIL COATINGS CO., LTD.Inventors: Soo-Hyoun Cho, Dae-Chul Bae, Dong-Yun Kim, Chang-Hyun Park
-
Patent number: 11632477Abstract: An apparatus for reading an image executes operations including receiving a plurality of images for a same subject from a photographing device, obtaining a screen division value related to the plurality of images, checking focused sections of the plurality of images based on the obtained screen division value, and determining type of the plurality of images based on a result of checking the focused sections. According to the apparatus, it can be determined whether an image is actually photographed without a separate ToF module.Type: GrantFiled: November 3, 2022Date of Patent: April 18, 2023Assignee: SAMSUNG SDS CO., LTD.Inventors: Min Ki Hong, Chang Hyun Park, Do Yeon Kim, Se Hyeon Park, Kwan Sik Yoon, Sol Bi Hwang, Jae Hyeon Lee, Yong Hyun Jeong, Hyun Chul Park
-
Patent number: D1018323Type: GrantFiled: January 28, 2022Date of Patent: March 19, 2024Assignee: KOLMAR KOREA CO., LTD.Inventors: Chang Soo Yi, Jong Hyun Park, Hye Jin Jung, Hee Yoon Kim