Patents by Inventor In Cheol Park

In Cheol 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).

  • Patent number: 11726573
    Abstract: A method for providing haptic feedback includes sensing a user's input through a display panel, determining haptic feedback corresponding to the input, and controlling a voltage applied to each of the plurality of actuators to provide the determined haptic feedback to a location where the input is sensed, wherein the controlling of the voltage applied to each of the plurality of actuators includes adjusting the voltage applied to each of the plurality of actuators to reduce the magnitude of radiation noise of the panel due to excitation of the plurality of actuators and to uniformize the magnitude of the noise for each location of the panel.
    Type: Grant
    Filed: January 11, 2022
    Date of Patent: August 15, 2023
    Assignee: Industry-Academic Cooperation Foundation, Yonsei University
    Inventors: No Cheol Park, Whee Jae Kim, Dong Joon Kim, Sang Won Park
  • Publication number: 20230251704
    Abstract: This application relates to an information output apparatus. In one aspect, the apparatus includes a casing including an expression surface and an expression hole formed in the expression surface. The apparatus also includes a protrusion provided to reciprocate such that at least a part thereof protrudes out of the expression hole and information is expressed on the expression surface. The apparatus also includes a driving module located inside the casing and connected to the protrusion to move the protrusion.
    Type: Application
    Filed: March 29, 2023
    Publication date: August 10, 2023
    Inventors: Ju Yoon KIM, Ji Ho KIM, Hyeon Cheol PARK
  • Publication number: 20230246416
    Abstract: An optical resonance structure is provided. For example, an optical resonator may operate based on a single-material double-layer HCG resonance structure. The optical resonator includes a first member and a second member. Each of the first member and the second member has a high contrast grating (HCG) structure, and a refractive index of the first member and a refractive index of the second member are the same.
    Type: Application
    Filed: August 18, 2022
    Publication date: August 3, 2023
    Inventor: Gyeong Cheol PARK
  • Patent number: 11713925
    Abstract: A sagger for firing an object to be fired includes an active material for a secondary battery. Carbon dioxide that is a reaction by-product produced during a positive electrode active material firing process can be smoothly discharged from the sagger, and such a smooth discharge of carbon dioxide can lower a residual lithium concentration of a positive electrode active material and thus can improve dispersibility of a positive electrode active material slurry and also improve capacity of a battery.
    Type: Grant
    Filed: September 28, 2018
    Date of Patent: August 1, 2023
    Assignees: POSCO HOLDINGS INC., RESEARCH INSTITUTE OF INDUSTRIAL SCIENCE & TECHNOLOGY, POSCO FUTURE M CO., LTD.
    Inventors: Young-Min Park, Woo-Taek Kim, Hyeon-Woo Kim, Soon-Cheol Hwang, Choong-Mo Yang, Yoon-Cheol Park, Keeyoung Jung
  • Patent number: 11705137
    Abstract: Provided is an encoding apparatus for integrally encoding and decoding a speech signal and a audio signal, and may include: an input signal analyzer to analyze a characteristic of an input signal; a stereo encoder to down mix the input signal to a mono signal when the input signal is a stereo signal, and to extract stereo sound image information; a frequency band expander to expand a frequency band of the input signal; a sampling rate converter to convert a sampling rate; a speech signal encoder to encode the input signal using a speech encoding module when the input signal is a speech characteristics signal; a audio signal encoder to encode the input signal using a audio encoding module when the input signal is a audio characteristic signal; and a bitstream generator to generate a bitstream.
    Type: Grant
    Filed: July 10, 2020
    Date of Patent: July 18, 2023
    Assignees: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE, KWANGWOON UNIVERSITY INDUSTRY-ACADEMIC COLLABORATION FOUNDATION
    Inventors: Tae Jin Lee, Seung-Kwon Baek, Min Je Kim, Dae Young Jang, Jeongil Seo, Kyeongok Kang, Jin-Woo Hong, Hochong Park, Young-Cheol Park
  • Publication number: 20230223330
    Abstract: In the present invention, in order to reduce parasitic inductances of a gate line and a source line of a power module to reduce a current deviation (current balancing) which is a problem when the power module composed of a plurality of parallel chips is driven, in a power module including a plurality of power semiconductor chips connected to gate lines and source lines extending from gate pins and source pins in parallel by different distances, a current area of each of the gate lines and the source lines connected to chips other than a first chip closest to the gate pin and the source pin is formed larger than a current area of each of the gate line and the source line connected to the first chip.
    Type: Application
    Filed: January 13, 2022
    Publication date: July 13, 2023
    Applicant: HYUNDAI MOBIS Co., Ltd.
    Inventor: Yu Cheol PARK
  • Publication number: 20230224284
    Abstract: A control method of a vehicle by a first controller and a second controller, the control method includes: generating, by the first controller, an Ea(B) in which a second symmetric key is encrypted based on a first symmetric key, and assigning a first random number to the Ea(B); receiving, by the second controller, the Ea(B) and the first random number, generating a fourth symmetric key in which the Ea(B) is decrypted based on a third symmetric key, and generating an Eb(N(MASTER)) in which the first random number is encrypted based on the fourth symmetric key; receiving, by the first controller, the Eb(N(MASTER)), and decrypting the Eb(N(MASTER)) to generate a second random number; and updating the second symmetric key based on a comparison between the first random number and the second random number.
    Type: Application
    Filed: December 9, 2022
    Publication date: July 13, 2023
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION
    Inventors: Soon Myung KWON, Aram CHO, Seong Cheol PARK, Taehwan PARK
  • Patent number: 11694848
    Abstract: There is provided a multilayered ceramic capacitor, including: a ceramic body; an active layer including a plurality of first and second internal electrodes; an upper cover layer; a lower cover layer formed below the active layer, the lower cover layer being thicker than the upper cover layer; first and second external electrodes; at least one pair of first and second internal electrodes repeatedly formed inside the lower cover layer, wherein, when A is defined as ½ of an overall thickness of the ceramic body, B is defined as a thickness of the lower cover layer, C is defined as ½ of an overall thickness of the active layer, and D is defined as a thickness of the upper cover layer, a ratio of deviation between a center of the active layer and a center of the ceramic body, (B+C)/A, satisfies 1.063?(B+C)/A?1.745.
    Type: Grant
    Filed: April 14, 2022
    Date of Patent: July 4, 2023
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Young Ghyu Ahn, Sang Soo Park, Min Cheol Park, Byoung Hwa Lee
  • Publication number: 20230206426
    Abstract: Disclosed are a semiconductor manufacturing facility and a teaching method of the semiconductor manufacturing facility, which prevent partial whitening of image information for obtaining a teaching reference point of a teaching target during a teaching operation of a transfer device that transfers a wafer or a mask, thereby improving readability. The semiconductor manufacturing facility includes: a teaching target in which a first teaching reference point and a second teaching reference point are formed; a transfer device on which the teaching target is mounted; and a teaching inspection unit for image-analyzing the first teaching reference point and the second teaching reference point of the teaching target, calculating center coordinates of each of the first teaching reference point and the second teaching reference point, and teaching the transfer device with an angle value of a line connecting the respective center coordinates.
    Type: Application
    Filed: December 27, 2022
    Publication date: June 29, 2023
    Applicant: SEMES CO., LTD.
    Inventors: Seung Won KIM, Ji Soo PARK, Jun Cheol PARK, Yong Hun SIM
  • Publication number: 20230195219
    Abstract: Provided is a method of controlling an intelligent barrier-free kiosk including: recognizing a moving object, which is within a preset distance from the kiosk and is approaching the kiosk; learning characteristic information of the recognized moving object; determining, based on a result of the learning, whether a user related to the moving object intends to use the kiosk; and, based on determining that the user intends to use the kiosk, changing a height of the kiosk.
    Type: Application
    Filed: October 31, 2022
    Publication date: June 22, 2023
    Applicant: DOT INCORPORATION
    Inventors: Ju Yoon KIM, Ji Ho Kim, Hyeon Cheol Park
  • Publication number: 20230197347
    Abstract: A capacitor component includes a body having first surface and second surfaces opposing each other and including through-holes penetrating through the first surface and the second surface, a first electrode covering an inner wall of each of the plurality of through-holes, a first common electrode covering the first surface and connected to the first electrode, a dielectric layer surrounded by the first electrode in the through-hole, a second electrode surrounded by the dielectric layer in the through-hole, a second common electrode layer covering the second surface and connected to the second electrode, a first external electrode disposed on at least one of a plurality of side surfaces of the body and connected to the first common electrode layer, and a second external electrode disposed on at least one of the plurality of side surfaces of the body and connected to the second common electrode layer.
    Type: Application
    Filed: April 4, 2022
    Publication date: June 22, 2023
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Sang Jong LEE, Su Bong JANG, Min Cheol PARK, Tae Ho YUN, Han KIM
  • Publication number: 20230189610
    Abstract: A display device includes a lower panel including a display element layer and an encapsulation layer disposed on the display element layer, an upper panel including a partition pattern including a first opening and a second opening, and a light control layer including a light control part disposed in the first opening, a protective layer disposed between the upper panel and the lower panel to overlap at least one of the first opening or the second opening and the partition pattern in a plan view, and a filling layer disposed between the protective layer and the lower panel.
    Type: Application
    Filed: September 16, 2022
    Publication date: June 15, 2023
    Applicant: Samsung Display Co., Ltd.
    Inventors: DOKYUNG YOUN, KEUNCHAN OH, SUN-KYU JOO, MIN-JAE KIM, JAE CHEOL PARK, CHANG-HUN LEE, WOO-MAN JI
  • Patent number: 11675562
    Abstract: Provided is a data output method including: receiving unit-time or unit-size auditory data which are generated around a user and detected via a first apparatus; removing noises from the auditory data; extracting a frequency component included in the auditory data from which the noises have been removed; measuring at least one frequency of the auditory data on the basis of the frequency component; searching a database on the basis of the at least one frequency to find reference data oscillating at the at least one frequency; generating first output data providing semantic data included in the reference data; and generating and providing an output control signal for transmitting the first output data.
    Type: Grant
    Filed: April 2, 2021
    Date of Patent: June 13, 2023
    Assignee: DOT INCORPORATION
    Inventors: Ju Yoon Kim, Ji Ho Kim, Hyeon Cheol Park
  • Publication number: 20230158545
    Abstract: A piezo actuator module capable of haptic feedback in a wide frequency range comprises an actuator layer including a piezo actuator having one surface coupled to an object to be excited and vibrating by an electric signal and an inertial mass layer having a certain mass and coupled to the other surface of the actuator layer. The inertial mass layer supports the other surface of the actuator layer when the piezo actuator vibrates.
    Type: Application
    Filed: November 23, 2022
    Publication date: May 25, 2023
    Inventors: No-Cheol PARK, Whee Jae KIM, Young Jin PARK
  • Publication number: 20230157103
    Abstract: A display device includes: a substrate including a first display area, a second display area including a light-transmitting part, and a third display area between the first and second display areas; a first subpixel including a first TFT on the first display area and a first light-emitting element on and electrically connected to the first TFT; a second subpixel including a second TFT on the third display area and a second light-emitting element, which is on the second display area and does not overlap with the second TFT in a plan view; a thin-film encapsulation layer on the first and second subpixels,; and a first transparent conductive layer between the second TFT and the second light-emitting element to electrically connect the second TFT and the second light-emitting element. The thin-film encapsulation layer has a refractive index of about 1.5 to about 1.7.
    Type: Application
    Filed: September 14, 2022
    Publication date: May 18, 2023
    Inventors: Jeong Seok LEE, Woo Cheol PARK, Kwan Hyuck YOON, Hye Kyun LEE
  • Publication number: 20230156795
    Abstract: Disclosed are a method and apparatus for transmitting and receiving data in a communication system supporting multiple links. A method for operation of a first device comprises the steps of: transmitting, in a first link from among multiple links, a first RTS frame to a second device; receiving, from the second device in the first link, a first CTS frame that is a response to the first RTS frame; when the first CTS frame is received, transmitting, in the first link, a first data frame to the second device; and transmitting, in a second link during transmission of the first data frame, a second RTS frame to the second device.
    Type: Application
    Filed: April 2, 2021
    Publication date: May 18, 2023
    Applicants: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE, KOREA NATIONAL UNIVERSITY OF TRANSPORTATION INDUSTRY-ACADEMIC COOPERATION FOUNDATION
    Inventors: Sung Hyun HWANG, Kyu Min KANG, Jae Cheol PARK, Jin Hyung OH, Dong Woo LIM, Su Na CHOI, Yong Ho KIM, Han Seul HONG
  • Publication number: 20230154727
    Abstract: Provided are an apparatus and method for processing a substrate, in which different types of plasmas are used simultaneously to complement each other's shortcomings and maximize their advantages. The apparatus for processing a substrate includes: a housing; a substrate support unit disposed inside the housing and configured to support a substrate; a shower head unit disposed inside the housing and configured to supply a process gas onto the substrate; an antenna unit disposed outside the housing; and a plasma generating unit configured to generate, inside the housing, a plasma for use in processing the substrate on the basis of the process gas, wherein the plasma generating unit generates both a first plasma and a second plasma using the antenna unit and the shower head unit as electrodes.
    Type: Application
    Filed: August 3, 2022
    Publication date: May 18, 2023
    Inventor: Jin Cheol PARK
  • Publication number: 20230154679
    Abstract: Provided are a dielectric, a device including the same, and a method of preparing the dielectric. The dielectric material includes a NaNbO3 ternary material including a perovskite phase with a Sm element substituted into a Na site such that the NaNbO3 ternary material has a permittivity of 600 or more at 1 kHz, and a temperature coefficient of capacitance (TCC) of about -15% to about 15% in a range of about -55° C. to about +200° C.
    Type: Application
    Filed: July 6, 2022
    Publication date: May 18, 2023
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Hyeon Cheol PARK, Daejin YANG, Doh Won JUNG, Taewon JEONG, Giyoung JO
  • Patent number: 11642651
    Abstract: The present disclosure relates to a cucurbituril-polyethylenimine-silica complex, a method for preparing the same and a carbon dioxide absorbent containing the same. According to the present disclosure, a cucurbituril-polyethylenimine-silica complex may be prepared by forming a complex wherein a cucurbituril is bound to polyethylenimine and including the same inside silica, and it may be used as a carbon dioxide absorbent with superior thermal stability and prevented formation of urea.
    Type: Grant
    Filed: October 24, 2019
    Date of Patent: May 9, 2023
    Assignee: KOREA INSTITUTE OF ENERGY RESEARCH
    Inventors: Hyun-uk Kim, Young Cheol Park, Jong-ho Moon, Hoon Beom Park, Muhammad Sohail
  • Publication number: 20230134905
    Abstract: Disclosed is a method for preparing silver-copper mixed powder having a core-shell structure. The method includes: dissolving silver (Ag) and copper (Cu) in an aqueous nitric acid solution; adding a reducing agent to the solution; and preparing silver-copper mixed powder having a core-shell structure by performing plasma post-treatment, after performing the adding the reducing agent to the solution.
    Type: Application
    Filed: July 15, 2020
    Publication date: May 4, 2023
    Applicant: POWERPACK CO., LTD
    Inventors: Seong Cheol PARK, Seong Ho LEE, Mun Hwan LEE, Sang Uk CHO, Yong Hyuk LEE