Patents by Inventor Cheol Jeong

Cheol Jeong 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).

  • METHOD OF CONTROLLING ELECTRIC COMPRESSOR
    Publication number: 20190242629
    Abstract: A method of controlling an electric compressor, includes aligning a position of a rotor after an electric compressor is powered on; determining whether a refrigerant is in a liquid phase or in a gas phase; preheating the refrigerant by applying power to the electric compressor according to the phase of the refrigerant; and controlling the electric compressor wherein the electric compressor is operated after the refrigerant is preheated.
    Type: Application
    Filed: April 19, 2019
    Publication date: August 8, 2019
    Inventors: Jeong Gil Heo, Soo Cheol Jeong, Gun Woong Park, Chan Ho Baek, Jae Sik Son
  • Synchronization method and apparatus for D2D communication
    Patent number: 10368261
    Abstract: A synchronization method and an apparatus for Device-to-Device (D2D) communication in a User Equipment (UE) are provided. The method includes comparing a reception power of a signal received from an evolved Node B (eNB) with a first reference power, if the reception power is less than the first reference power, generating and transmitting a synchronization signal for D2D communication by operating as a synchronization reference UE, comparing the reception power of a signal received from the eNB with a second reference power, and if the reception power is greater than or equal to the first reference power and less than the second reference power, relaying a synchronization signal received from the eNB by operating as a synchronization relaying UE.
    Type: Grant
    Filed: May 8, 2015
    Date of Patent: July 30, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Seung-Hoon Park, Hyun-Seok Ryu, Peng Xue, Hyun-Kyu Yu, Cheol Jeong, Sang-Won Choi
  • LYOCELL MATERIAL FOR CIGARETTE FILTER AND METHOD FOR PREPARING SAME
    Publication number: 20190223493
    Abstract: Disclosed are a lyocell material for a cigarette filter and a method of preparing the same, wherein a crimped tow is manufactured using a lyocell multifilament including low-strength lyocell monofilaments, and thus the ultimately prepared lyocell material for a cigarette filter can exhibit low strength, thereby increasing processing efficiency during the manufacture of the cigarette filter.
    Type: Application
    Filed: March 29, 2019
    Publication date: July 25, 2019
    Applicants: KOLON INDUSTRIES, INC., KT&G CORPORATION
    Inventors: Jong Cheol JEONG, Sang Woo JIN, Sang Mok LEE, Woo Chul KIM, Sang Yoel LEE, Jong Yeol KIM, Soo Ho KIM, Bong Su CHEONG, Hyun Suk CHO, Sung Jong KI
  • Apparatus and method for performing measurement
    Patent number: 10355766
    Abstract: The present disclosure relates to a pre-5th-Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4th-Generation (4G) communication system such as Long Term Evolution (LTE). According to various embodiments, an apparatus of a user equipment (UE) in a wireless environment comprises at least one transceiver; and at least one processor operably coupled to the at least one transceiver. The at least one transceiver is configured to receive a reference signal configuration comprising information for indicating whether a reference signal of a transmission and reception point (TRP) is transmitted through beam sweeping from the TRP, and receive the reference signal from the TRP based on the received reference signal configuration.
    Type: Grant
    Filed: September 29, 2017
    Date of Patent: July 16, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Namjeong Lee, Jung-Min Moon, Hyunseok Ryu, Peng Xue, Hyunil Yoo, Cheol Jeong, Taeyoung Kim
  • Device and method for controlling transmission power in wireless communication system
    Patent number: 10349359
    Abstract: The present disclosure relates to a pre-5th-Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4th-Generation (4G) communication system such as Long Term Evolution (LTE). According to various exemplary embodiments, a terminal may include a controller for deciding whether interference to a second base station occurs due to a signal to be transmitted to a first base station and for determining transmission power in response to the decision, and a transceiver for transmitting a signal to the first base station based on the determined transmission power.
    Type: Grant
    Filed: July 20, 2016
    Date of Patent: July 9, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sungho Chae, Cheol Jeong, Hyunseok Ryu, Peng Xue, Namjeong Lee
  • DISPLAY DEVICE
    Publication number: 20190196632
    Abstract: A display device may include a display panel, an input sensing unit, and a driving circuit board. The display panel includes a base substrate and a driving pad, and the input sensing unit includes an encapsulation substrate and an input pad. The driving circuit board may be provided on one of side surfaces of the base substrate adjacent to the driving pad and on one of connection surfaces of the encapsulation substrate adjacent to the input pad and may be electrically connected to the driving pad and the input pad, respectively.
    Type: Application
    Filed: November 28, 2018
    Publication date: June 27, 2019
    Inventors: Seung-soo RYU, Seung-hwan CHO, Byoungyong KIM, Daeyoung JOUNG, Young-cheol JEONG, Jeongho HWANG
  • APPARATUS AND METHOD FOR SIGNALING CONTROL INFORMATION RELATED TO TRANSMISSION SCHEME IN WIRELESS COMMUNICATION SYSTEM
    Publication number: 20190200348
    Abstract: The present disclosure relates to a pre-5th-Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4th-Generation (4G) communication system such as Long Term Evolution (LTE). The objective of the present disclosure is to signal control information necessary for selecting a transmission scheme in a wireless communication system. An method for operating a transmitting end includes, receiving capability information related to a receiver of a receiving end; transmitting control information related to a transmission scheme used for processing data determined based on the capability information; and transmitting a generated data signal by using the transmission scheme. The capability information comprises a rule for combining channel coding and a modulation and/or a rule for bit and symbol mapping.
    Type: Application
    Filed: August 21, 2017
    Publication date: June 27, 2019
    Inventors: Sungho CHAE, Cheol JEONG, Seok-Ki AHN, Min JANG
  • Uplink synchronization device and method of wireless communication system
    Patent number: 10334540
    Abstract: The present disclosure relates to a pre-5th-Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4th-Generation (4G) communication system such as Long Term Evolution (LTE). Embodiments of the present invention are to provide a method and apparatus for performing uplink synchronization in a wireless communication system. According to an embodiment of the present invention, a method of operating a terminal in a wireless communication system includes the processes of: receiving an adjustment message including a first timing advance (TA) value from a first base station; and transmitting an uplink signal to a second base station based on a second TA value for the second base station that is determined based on the first TA value.
    Type: Grant
    Filed: July 17, 2015
    Date of Patent: June 25, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Cheol Jeong, Jeong-Ho Park, Jae-Won Kim, Hyun-Kyu Yu
  • FUEL CELL FAILURE DIAGNOSTIC APPARATUS AND METHOD THEREOF
    Publication number: 20190190043
    Abstract: A fuel cell failure diagnostic apparatus is provided. The apparatus includes a water-level sensor that senses a water-level of water generated at an anode side of a fuel cell stack and stored in a water trap and a drain valve for the drain control of the generated water. A drain valve position sensor senses a position of the drain valve. A controller detects a failure situation by performing failure diagnosis based on the sensing information generated from the water-level sensor and the drain valve position sensor, and performs a corresponding control depending upon the failure situation.
    Type: Application
    Filed: November 9, 2018
    Publication date: June 20, 2019
    Inventors: Seong-Cheol Jeong, Dae-Jong Kim
  • METHOD AND SYSTEM FOR DIAGNOSING FAILURE OF TEMPERATURE SENSOR FOR FUEL CELL
    Publication number: 20190190045
    Abstract: A method and a system for diagnosing a failure of a temperature sensor for a fuel cell are provided. The method includes calculating a heating value that is generated at a fuel cell stack during a predetermined diagnosis time and then calculating a temperature variation of the fuel cell stack from the calculated heating value. A failure of a temperature sensor configured to measure a temperature of the fuel cell stack is then detected based on the calculated temperature variation of the fuel cell stack.
    Type: Application
    Filed: June 29, 2018
    Publication date: June 20, 2019
    Inventors: Kyung Won Suh, Jae Yeong Yoo, Seong Cheol Jeong
  • FUEL CELL THERMAL MANAGEMENT SYSTEM AND CONTROL METHOD OF THE SAME
    Publication number: 20190181476
    Abstract: A thermal management system for a fuel cell includes: a fuel cell stack; a heater connected with the fuel cell stack in parallel through a coolant channel and configured to heat coolant; a pump circulating the coolant; a bypass valve controlling a flow rate of the coolant to be supplied to the fuel cell stack or the heater; a radiator allowing the coolant to exchange heat with external air; a heat dissipation fan supplying the external air to the radiator; a temperature control valve controlling the flow rate of the coolant flowing through the radiator; a temperature sensor disposed at an outlet of the fuel cell stack or an outlet of the heater; and a controller controlling the heater, the pump, the bypass valve, the heat dissipation fan, or the temperature control valve on the basis of temperature sensed by the temperature sensor.
    Type: Application
    Filed: June 1, 2018
    Publication date: June 13, 2019
    Inventor: Seong Cheol Jeong
  • Eccentric bush assembly structure of scroll compressor
    Patent number: 10309403
    Abstract: An eccentric bush assembly structure of a scroll compressor, in which an orbiting scroll is eccentrically coupled to a rotary shaft of a drive motor, including a bush body rotatably coupled to the orbiting scroll while being pinned to the rotary shaft of the drive motor by an eccentric shaft, the bush body having a friction prevention groove formed in a surface facing a tip surface of the rotary shaft so as not to come into frictional contact with the tip surface.
    Type: Grant
    Filed: January 26, 2016
    Date of Patent: June 4, 2019
    Assignee: HANON SYSTEMS
    Inventors: In Guk Hwang, Kweon Soo Lim, Soo Cheol Jeong
  • Electric compressor and method for controlling same
    Patent number: 10309699
    Abstract: An electric compressor and a method of controlling the same, the electric compressor including a detection unit for detecting a phase of refrigerant in the electric compressor, a connection unit wound at a position adjacent to a passage of a housing for movement of a refrigerant in the electric compressor, and a control unit for performing control according to the phase of refrigerant by differently controlling power applied to the connection unit in response to data detected by the detection unit. The method including aligning a position of a rotor after an electric compressor is turned on, determining whether a refrigerant is in liquid phase or in gas phase, preheating the refrigerant by applying power to the electric compressor according to the phase of refrigerant, and controlling the electric compressor such that the electric compressor is normally operated after the refrigerant is preheated.
    Type: Grant
    Filed: April 10, 2015
    Date of Patent: June 4, 2019
    Assignee: HANON SYSTEMS
    Inventors: Jeong Gil Heo, Soo Cheol Jeong, Gun Woong Park, Chan Ho Baek, Jae Sik Son
  • Lyocell material for cigarette filter and method for preparing same
    Patent number: 10306919
    Abstract: Disclosed are a lyocell material for a cigarette filter and a method of preparing the same, wherein a crimped tow is manufactured using a lyocell multifilament including low-strength lyocell monofilaments, and thus the ultimately prepared lyocell material for a cigarette filter can exhibit low strength, thereby increasing processing efficiency during the manufacture of the cigarette filter.
    Type: Grant
    Filed: September 26, 2014
    Date of Patent: June 4, 2019
    Assignees: KOLON INDUSTRIES, INC., KT&G CORPORATION
    Inventors: Jong Cheol Jeong, Sang Woo Jin, Sang Mok Lee, Woo Chul Kim, Sang Yoel Lee, Jong Yeol Kim, Soo Ho Kim, Bong Su Cheong, Hyun Suk Cho, Sung Jong Ki
  • COMPRESSOR
    Publication number: 20190160915
    Abstract: Disclosed herein is a compressor that includes a casing, a fastening part disposed at a portion corresponding to a support bracket provided in a compressor mounting part of a vehicle on the casing, and a fastener connecting the support bracket to the fastening part, wherein a compressor's center of gravity and a compressor's point of support supported by the fastener are positioned in a longitudinal direction of the fastener. The present disclosure has an effect of relieving rotational moment and fatigue stress occurring in the compressor when the compressor is mounted to the vehicle.
    Type: Application
    Filed: February 14, 2018
    Publication date: May 30, 2019
    Inventors: In Cheol SHIN, Chi Myeong MOON, Hyun Seong AHN, Kweon Soo LIM, Jae Hoon LIM, Soo Cheol JEONG
  • Operation control method of fuel cell system
    Patent number: 10297846
    Abstract: An operation control method of a fuel cell system is provided that increases the output of a fuel cell stack by detecting and overcoming the cause of a performance limit when the stack reaches the performance limit during high-altitude operation of a fuel cell vehicle, thereby achieving higher stack performance and vehicle power performance. The method includes determining whether an operation state of the stack corresponds to a predetermined condition in which a stack output limit occurs by determining current operation state information of the stack. Additionally, operating pressure of an air pole is adjusted by changing an opening degree of an air pressure adjusting valve to a control command value based on the operation state of the stack when the operation state corresponds to the predetermined condition in which the stack output limit occurs.
    Type: Grant
    Filed: November 19, 2015
    Date of Patent: May 21, 2019
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Hyo Jin Park, Bon Yong Koo, Sang Soo Eun, Ki Chang Kim, Seong Cheol Jeong
  • Flexible display device
    Patent number: 10295818
    Abstract: A flexible display device includes a flexible display panel and a window member. The flexible display device includes a folding area and a peripheral area disposed adjacent to the folding area. The window member includes at least first and second base layers. The second base layer is overlapped with the first base layer and has a modulus of elasticity that is higher than that of the first base layer. A thickness of a first portion of the first base layer, which is overlapped with the folding area, is greater than a thickness of a second portion of the first base layer, which is overlapped with the peripheral area.
    Type: Grant
    Filed: March 24, 2014
    Date of Patent: May 21, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: SeungWook Nam, Kyu Young Kim, Ahyoung Kim, Gui-Nam Min, Kyu-taek Lee, Yong Cheol Jeong, Soyeon Han
  • Electric transportation system
    Patent number: 10286784
    Abstract: An electric transportation system is disclosed. In one aspect, the system includes a wheel, a rechargeable battery having positive and negative poles, and a motor mechanically connected to the wheel and configured to generate a regeneration charge current, the motor including a coil. The system also includes a motor driver connected to the motor and the battery. The motor driver is configured to discharge the battery during a supply period so as to drive the motor and charge the battery with the regeneration charge current, wherein the motor driver includes a plurality of transistors electrically connected to the negative pole during a non-driving period. The system further includes a controller connected to the motor driver and configured to control the motor driver so as to drive the motor during the supply period and control the motor driver so as to charge the battery during the non-driving period.
    Type: Grant
    Filed: September 2, 2015
    Date of Patent: May 14, 2019
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Hyeon-Cheol Jeong, Sang-Kyou Kim, Se-Jin Ji, Woon-Seong Baek
  • SEMICONDUCTOR DEVICE HAVING ASYMMETRIC FIN-SHAPED PATTERN
    Publication number: 20190131300
    Abstract: Semiconductor devices are provided including a first fin-shaped pattern having first and second sidewalls facing one another and a field insulating film contacting at least a portion of the first fin-shaped pattern. The first fin-shaped pattern includes a lower portion of the first fin-shaped pattern contacting the field insulating film; an upper portion of the first fin-shaped pattern not contacting the field insulating film; a first boundary between the lower portion of the first fin-shaped pattern and the upper portion of the first fin-shaped pattern; and a first fin center line perpendicular to the first boundary and meeting the top of the upper portion of the first fin-shaped pattern. The first sidewall of the upper portion of the first fin-shaped pattern and the second sidewall of the upper portion of the first fin-shaped pattern are asymmetric with respect to the first fin center line.
    Type: Application
    Filed: December 27, 2018
    Publication date: May 2, 2019
    Inventors: JUNG-GUN YOU, Se-wan Park, Baik-Min Sung, Bo-Cheol Jeong
  • Remote controller for bidet
    Patent number: D855585
    Type: Grant
    Filed: January 30, 2018
    Date of Patent: August 6, 2019
    Assignee: IS DONGSEO CO., LTD.
    Inventors: Ji Cheol Jeong, Dal Won Yi