Patents by Inventor Chul Hwang

Chul Hwang 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: 10539525
    Abstract: A method for operation of an electronic device and an electronic device are provided. The method includes determining if an object is detected at a first terminal and a second terminal among a plurality of terminals of an ear jack. If the object is detected, the impedance of the second terminal is calculated, and a type of the object is determined according to the calculated impedance.
    Type: Grant
    Filed: March 26, 2018
    Date of Patent: January 21, 2020
    Assignee: Samsung Electronics Co., Ltd
    Inventors: Hyun-Jong Roh, Min-Woo Oh, Jin-Hee Won, Dong-Yup Lee, Ho-Chul Hwang
  • Patent number: 10521723
    Abstract: The present disclosure relates to an artificial intelligence (AI) system that utilizes a machine learning algorithm such as deep learning and the like, and an application thereof. In particular, an electronic apparatus, a guide providing method thereof, and a non-transitory computer-readable recording medium are provided. An electronic apparatus includes an input interface configured to receive a user input, a display configured to display a guide, and a processor configured to determine whether a task corresponding to the received user input is performable by the electronic apparatus, in response to determining that the task is performable, perform the task corresponding to the received user input, and in response to determining that the task is not performable, determine a candidate task related to the received user input and control the display to provide a guide for guiding the determined candidate task.
    Type: Grant
    Filed: December 14, 2017
    Date of Patent: December 31, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: In-chul Hwang, Jae-deok Kim, Young-bin Shin, Jeong-su Seol, Jin-he Jung
  • Publication number: 20190393220
    Abstract: A FINFET includes a first fin extending in a first direction on a substrate and, a second fin extending in the first direction and spaced apart from the first fin in the first direction. A third fin is provided with a long side shorter than long sides of the first fin and the second fin and is disposed between the first fin and the second fin. A first gate structure extends in a second direction different from the first direction and crosses the first fin. A device isolation layer is disposed on a lower sidewall of each of the first, second and third fins and is formed to extend in the first direction. An electrically insulating diffusion break region includes a first portion crossing between the first fin and the third fin, a second portion crossing between the second fin and the third fin, and a third portion disposed between the first portion and the second portion on the third fin. The diffusion break region extends in the second direction on the device isolation layer.
    Type: Application
    Filed: November 29, 2018
    Publication date: December 26, 2019
    Inventors: Hyung Joo Na, Ju Youn Kim, Bong Seok Suh, Sang Min Yoo, Joo Ho Jung, Eui Chul Hwang, Sung Moon Lee
  • Publication number: 20190379086
    Abstract: Provided is a lithium secondary battery. The lithium secondary battery of the present invention uses an electrolyte including the following compound, and a cathode active material including at least one metal of which a concentration at a central portion of the lithium-metal oxide particle is different from that at a surface portion of the lithium-metal oxide particle, and has improved lifetime characteristics and high temperature storage characteristics: wherein R1 is hydrogen or C1-C4alkyl, R2 to R4 are each independently hydrogen, C1-C4alkyl, or -OPF2, a, b, and c are each independently an integer of 0 to 4, and d is an integer of 1 to 3, and when a, b, and c are 2 or more, R2 to R4 may be identical to or different from each other.
    Type: Application
    Filed: June 11, 2019
    Publication date: December 12, 2019
    Inventors: Kyung Bin YOO, In Haeng CHO, Jin Haek YANG, Duck Chul HWANG, Joo Hyun LEE
  • Publication number: 20190376907
    Abstract: A light-scattering dust sensor includes: a light scattering region; a light emitter configured to emit light to the light scattering region; a light receiver configured to receive scattered light generated in the light scattering region; and an emitted light limiter located between the light emitter and the light scattering region, wherein the light emitted by the light emitter includes: peripheral light; and central light having an intensity that is more uniform than an intensity of the peripheral light, wherein the emitted light limiter is configured to block part of the emitted light, wherein the part of the emitted light blocked by the emitted light limiter includes the peripheral light.
    Type: Application
    Filed: December 12, 2018
    Publication date: December 12, 2019
    Inventors: Sang Ick Park, Do Hoon Kim, Hyun Chul Hwang, Myeong Yong Lee, Dong Ju Kim
  • Publication number: 20190379361
    Abstract: A flip-flop includes a first node charging circuit configured to charge a first node with inverted input data generated by inverting input data, a second node charging circuit configured to charge a second node with the input data, and first through eighth NMOS transistors. The flip-flop is configured to latch the input data at rising edges of a clock signal and output latched input data as output data. The flip-flop includes an internal circuit configured to charge a sixth node with inverted input data generated by inverting the latched input data.
    Type: Application
    Filed: July 29, 2019
    Publication date: December 12, 2019
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Hyun-Chul HWANG, Min-Su Kim, Dae-Seong Lee
  • Patent number: 10502587
    Abstract: The present invention provides a shifting range rotary sensing device for a vehicle, comprising: a housing; a substrate accommodated and disposed in the housing; a rotary hinge rod rotatably disposed within the housing and contactingly connected to a lever cooperating unit operated in cooperation with a vehicle gearshift lever so that the rotary hinge rod is rotated cooperatively with the vehicle gearshift lever when the vehicle gearshift lever is rotated; a sensing unit comprising a magnetic sensor disposed on the substrate and a magnet disposed at the rotary hinge rod to correspond to the magnetic sensor; and a rotary hinge rod torsion unit disposed within the housing in a manner to be supportingly contacted at one end thereof with the rotary hinge rod and at the other end thereof with the inside of the housing to elastically support the rotary hinge rod when the rotary hinge rod is rotated.
    Type: Grant
    Filed: October 18, 2017
    Date of Patent: December 10, 2019
    Assignee: LS AUTOMOTIVE TECHNOLOGIES CO., LTD.
    Inventors: Won Lee, In Chul Hwang
  • Patent number: 10487014
    Abstract: Equipment for manufacturing ceramic wires is disclosed. The manufacturing equipment can comprise a deposition unit for depositing the ceramic wire on a wire substrate, a loading/unloading unit having a release reel for providing the wire substrate to the deposition unit and a coiling reel for discharging the wire substrate from the deposition unit, and at least one buffer unit arranged between the loading/unloading unit and the deposition unit. The buffer unit may continuously be providing the wire substrate to the deposition unit or continuously winding the wire substrate from the deposition unit when the release reel or the coiling reel is replaced.
    Type: Grant
    Filed: September 3, 2014
    Date of Patent: November 26, 2019
    Assignee: Sunam Co., Ltd.
    Inventors: KyuHan Choi, Seung Hyun Moon, Soon Chul Hwang, Hun-Ju Lee
  • Patent number: 10490851
    Abstract: A lithium secondary battery includes a positive electrode, a negative electrode, and a non-aqueous electrolyte, and more particularly, the positive electrode includes a positive active material including lithium-metal oxide in which at least one metal has the continuous concentration gradient from the center to the surface, and the non-aqueous electrolyte includes a lithium salt, a multinitrile compound, and an organic solvent, thereby improving storage characteristics at a high voltage and lifetime characteristics.
    Type: Grant
    Filed: June 2, 2015
    Date of Patent: November 26, 2019
    Assignee: SK INNOVATION CO., LTD.
    Inventors: Duck-Chul Hwang, Jin-Sub Lim, Kook-Hyun Han
  • Publication number: 20190354738
    Abstract: Disclosed is an electronic device. The electronic device according to an embodiment may include an ultrasonic sensor and a processor electrically connected to the ultrasonic sensor. The processor may be configured to obtain a noise signal at a periphery of the electronic device, via the ultrasonic sensor, to determine an attribute of a first ultrasonic signal oscillated by the ultrasonic sensor, based on the obtained noise signal, and to obtain fingerprint information based on the second ultrasonic signal obtained via the ultrasonic sensor and the determined attribute. Moreover, various embodiment found through the disclosure are possible.
    Type: Application
    Filed: February 7, 2018
    Publication date: November 21, 2019
    Inventors: Seung Geol BAEK, Moon Soo KIM, Jae Hyung PARK, Chi Hyun CHO, Yun Jang JIN, Ho Chul HWANG
  • Patent number: 10476079
    Abstract: A lithium secondary battery comprises a cathode, an anode and a non-aqueous electrolyte. The cathode includes a cathode active material containing lithium-metal oxide of which at least one of metals has a continuous concentration gradient from a core part to a surface part thereof, and is doped with transitional metal. The lithium-metal oxide includes elements M1, M2 and M3. One of M1, M2 and M3 has a concentration gradient range in which a concentration increases from the core part to the surface part.
    Type: Grant
    Filed: November 20, 2015
    Date of Patent: November 12, 2019
    Assignee: SK Innovation Co., Ltd.
    Inventors: Kyung-Bin Yoo, Duck-Chul Hwang, Jin-Sub Lim, Kook-Hyun Han
  • Patent number: 10476037
    Abstract: Disclosed is a flexible display apparatus. The flexible display apparatus includes a display part, a first adhesive film, an optical film, a second adhesive film, and a window film sequentially stacked, and the second adhesive film has a water-vapor permeability of about 200 g/m2ยท24 hr or less, and the first adhesive film has a lower restoration force than the second adhesive film, as calculated by the Equation B set forth herein.
    Type: Grant
    Filed: April 19, 2017
    Date of Patent: November 12, 2019
    Assignees: Samsung SDI Co., Ltd., Samsung Electronics Co., Ltd.
    Inventors: Sung Hyun Mun, Byeong Do Kwak, Ji Won Kang, Il Jin Kim, Ji Ho Kim, Hyung Rang Moon, Seon Hee Shin, Gwang Hwan Lee, Jin Young Lee, Ik Hwan Cho, Jae Hyun Han, In Chul Hwang
  • Publication number: 20190335274
    Abstract: An electronic device comprising: a microphone array including at least three microphones; and at least one processor configured to: identify a kind of an application that is executed; activate one or more of the microphones in the array based on each microphone's respective position within the electronic device and the type of the application; and capture audio using the activated microphones.
    Type: Application
    Filed: July 5, 2019
    Publication date: October 31, 2019
    Inventors: Jong Mo KEUM, Min Ho BAE, Jung Yeol AN, Gang Youl KIM, Jun Tai KIM, Jae Mo YANG, Nam Il LEE, Ho Chul HWANG
  • Patent number: 10455463
    Abstract: The present disclosure proposes a method for supporting a handover by a base station controller in a cellular mobile communication system including a terminal for performing a handover from a serving cell base station to a target cell base station, the method comprising the steps of: determining handover performance of the terminal; checking whether a resource of the same frequency and time slot as a frequency and time slot of a resource in use by the serving cell base station is usable in the target cell base station; and allocating a resource of the same frequency and time slot to the target cell base station, and transmitting a message indicating channel activation of the allocated resource to the target cell base station.
    Type: Grant
    Filed: November 12, 2014
    Date of Patent: October 22, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Keun-Chul Hwang
  • Patent number: 10454134
    Abstract: A lithium secondary battery including a cathode electrode, an anode electrode, and a separation film installed between the cathode electrode and the anode electrode, wherein the cathode electrode includes a cathode active material containing lithium-metal oxide of which at least one of metals has a continuous concentration gradient region between a core part and a surface part thereof, the anode electrode includes a ceramic coating layer on at least one surface thereof, and the separation film includes a base film, and a ceramic coating layer formed on at least one surface of the base film, such that it is possible to achieve a significantly improved effect in both of the lifespan property and penetration durability.
    Type: Grant
    Filed: August 9, 2016
    Date of Patent: October 22, 2019
    Assignee: SK Innovation Co., Ltd.
    Inventors: Kook-Hyun Han, Kyung-Bin Yoo, Duck-Chul Hwang
  • Publication number: 20190320253
    Abstract: An electronic device according to various embodiments of the present invention may comprise: a housing comprising a first surface facing in a first direction and a second surface facing in a second direction that is opposite to the first direction, the first surface comprising an at least partially transparent part and at least one opening formed adjacent to the at least partially transparent part; a camera positioned inside the housing, the camera comprising an image sensor facing in the first direction through the at least partially transparent part of the housing; and an acoustic component arranged between the first surface and the second surface, the acoustic component comprising a vibration plate configured to generate a sound such that the same moves in at least one direction selected from the first and second directions, a first passage formed in a third direction that is substantially perpendicular to the first direction such that the generated sound passes through the same, and a second passage forme
    Type: Application
    Filed: October 25, 2017
    Publication date: October 17, 2019
    Inventors: Young-Bae PARK, Byoung-Hee LEE, Jae-Hee YOU, Tae-Eon KIM, Han-Bom PARK, Sun-Young LEE, Byoung-Uk YOON, Kyung-Hee LEE, Ho-Chul HWANG
  • Publication number: 20190311751
    Abstract: A memory device includes a plurality of latches arranged in a plurality of columns including a first column and a second column and in a plurality of rows, a first flip flop configured to output first data, to first latches arranged in the first column, among the plurality of latches, based on a clock, and a second flip flop configured to output second data, to second latches arranged in the second column, among the plurality of latches, based on the clock. The first flip flop is further configured to, in a lock time section in which the first latches and the second latches maintain an output regardless of an input, block output of the first data to the first latches, and the second flip flop is further configured to, in the lock time section, block output of the second data to the second latches.
    Type: Application
    Filed: April 4, 2019
    Publication date: October 10, 2019
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Young-shin YOO, Min-su KIM, Hyun-chul HWANG
  • Patent number: 10439266
    Abstract: Disclosed is a wideband patch antenna module where two feeding points are formed on a lower patch at a preset angle therebetween, whereby ultra-wideband characteristics receiving both a GPS signal and a GLONASS signal may be realized, and antenna size and manufacturing costs may be minimized. The wideband patch antenna module includes a base layer; a radiation patch provided on a top surface of the base layer; a lower patch provided at a bottom surface of the base layer; a first feeding point provided at a bottom surface of the lower patch; and a second feeding point provided at the bottom surface of the lower patch, wherein an imaginary line connecting the first feeding point and a center point of the lower patch intersects with an imaginary line connecting the second feeding point and the center point of the lower patch.
    Type: Grant
    Filed: December 10, 2014
    Date of Patent: October 8, 2019
    Assignee: Amotech Co., Ltd.
    Inventors: Chul Hwang, In-Jo Jeong, Sang-O Kim, Ki-Hwan You, Dong-Hwan Koh
  • Patent number: 10431876
    Abstract: The disclosed broadband antenna module for LTE includes: a feeding pin and a direct short pin that are spaced apart from each other on one surface of a printed circuit board; a coupling short pin formed of a conductive material on the other surface of the printed circuit board and connected to a ground plane; and a radiation patch antenna including a dielectric and a radiation pattern formed on an outer circumference of the dielectric and mounted on one surface of the printed circuit board, in which the radiation pattern of the radiation patch antenna is directly connected to the feeding pin and direct short pin and coupled to the coupling short pin in an overlapping manner.
    Type: Grant
    Filed: July 22, 2016
    Date of Patent: October 1, 2019
    Assignee: Amotech Co., Ltd.
    Inventors: Chul Hwang, In-Jo Jeong, Sang-O Kim, Dong-Hwan Koh
  • Patent number: D865730
    Type: Grant
    Filed: July 9, 2018
    Date of Patent: November 5, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Bo-Kyung Seong, Sung-Jin Ann, Gil-Jae Lee, Won-Chul Hwang