Patents by Inventor Seok Hwang

Seok 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: 10355645
    Abstract: A power amplifier includes an amplifying circuit configured to amplify an input signal and comprising transistors, which may be disposed in parallel with one another and divided into a first group of transistors and a second group of transistors. The power amplifier also includes a bias circuit configured to supply bias power to one of the transistors of the first group and the transistors of the second group.
    Type: Grant
    Filed: November 1, 2017
    Date of Patent: July 16, 2019
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Hyeon Seok Hwang, Jong Soo Lee, Seung Chul Pyo
  • Publication number: 20190206826
    Abstract: An apparatus and method for reducing the volume of a resource allocation information message in a broadband wireless communication system are provided. The method includes transmitting a message including information indicating a periodicity of an uplink control channel for an initial network entry; and receiving an uplink signal for the initial network entry through the uplink control channel.
    Type: Application
    Filed: February 22, 2019
    Publication date: July 4, 2019
    Inventors: Hee-Kwun CHO, ln-Seok HWANG, June MOON, Chung-Ryul CHANG, Jae-Ho JEON, Soon-Young YOON
  • Patent number: 10341679
    Abstract: Provided are an encoding system using motion estimation and an encoding method using motion estimation for achieving high-speed motion estimation according to a multi-processing unit. The encoding system using motion estimation, comprises a multi-processing unit calculating motion estimation on many macroblocks of an input image, a motion estimator estimating motion vectors of the macroblocks of the input image using the motion estimation on the plurality of macroblocks, previously calculated by the multi-processing unit, and an encoder encoding the image based on the motion vectors of the macroblocks, estimated by the motion estimator. According to the present invention, motion estimation to be used for motion estimation can be calculated in advance according to the multi-processing unit capable of processing high-speed parallel processing to reduce an image encoding time and improve an encoding speed.
    Type: Grant
    Filed: November 20, 2015
    Date of Patent: July 2, 2019
    Assignee: SK PLANET CO., LTD.
    Inventors: Tae Meon Bae, Joong Yun Lee, Kyung Min Kim, Byung Seok Hwang
  • Publication number: 20190196683
    Abstract: An electronic device may include a display, and a processor. The processor may display an execution screen of a first application in the display, may change the execution screen of the first application to an execution screen of a second application, and may display a first object provided by the first application on the execution screen of the second application.
    Type: Application
    Filed: April 13, 2017
    Publication date: June 27, 2019
    Inventors: Mi Youn WON, Na Young KOH, Hyun Jee KWAK, Ji Hyae KIM, Seung Min LEE, Won Hee LEE, Woo Seok HWANG
  • Publication number: 20190194792
    Abstract: Disclosed are a hot-rolled galvanized steel sheet having excellent galling resistance and formability, and a method for manufacturing the same. The hot-rolled galvanized steel sheet, includes: a base steel; and a hot-rolled galvanizing layer formed on the surface of the base steel, wherein the hot-rolled galvanizing layer provides a hot-rolled galvanized steel sheet having a Mn crystallite having a size of 10 ?m or less between the resin dendrites of zinc that form sequins.
    Type: Application
    Filed: August 22, 2017
    Publication date: June 27, 2019
    Inventors: Sang-Heon KIM, Hyeon-Seok HWANG, Suk-Kyu LEE, Sun-Ho JEON, Yon-Kyun SONG, Bong-Hwan YOO
  • Patent number: 10334271
    Abstract: Provided are an encoding system using motion estimation and an encoding method using motion estimation for achieving high-speed motion estimation according to a multi-processing unit. The encoding system using motion estimation, comprises a multi-processing unit calculating motion estimation on many macroblocks of an input image, a motion estimator estimating motion vectors of the macroblocks of the input image using the motion estimation on the plurality of macroblocks, previously calculated by the multi-processing unit, and an encoder encoding the image based on the motion vectors of the macroblocks, estimated by the motion estimator. According to the present invention, motion estimation to be used for motion estimation can be calculated in advance according to the multi-processing unit capable of processing high-speed parallel processing to reduce an image encoding time and improve an encoding speed.
    Type: Grant
    Filed: November 20, 2015
    Date of Patent: June 25, 2019
    Assignee: SK PLANET CO., LTD.
    Inventors: Tae Meon Bae, Joong Yun Lee, Kyung Min Kim, Byung Seok Hwang
  • Patent number: 10305946
    Abstract: Disclosed is a method and apparatus for providing a group call service using mobile voice over Internet protocol (mVolP). According to one embodiment, an interface is provided to transmit a request signal for a group call to members of a group chat room, and from among the group chat room members, it may be determined which members are able to participate in a group call as group call members. A new group call chat room may be created and include the group call members. The request signal may be transmitted in the created new group call chat room.
    Type: Grant
    Filed: September 4, 2018
    Date of Patent: May 28, 2019
    Assignee: KAKAO CORP.
    Inventors: Young Joon Ryu, Hyang Deok Yim, Choon Taek Kim, Jung Taek Kim, Se Jong Seo, Dae Gil Kim, Dong Kuk Woo, Seok Kyoo Lee, Ki Yong Sim, Jun Jae Kim, Chang Ho Park, Hyun Seok Hwang, Seong Hark Kang
  • Publication number: 20190157653
    Abstract: Provided is a battery protection circuit module package capable of easily achieving high integration and size reduction. The battery protection circuit module package includes a terminal lead frame including a first internal connection terminal lead and a second internal connection terminal lead provided at two edges of the terminal lead frame and electrically connected to electrode terminals of a battery bare cell, and a plurality of external connection terminal leads provided between the first and second internal connection terminal leads and serving as a plurality of external connection terminals, and a device package including a substrate mounted on the terminal lead frame to be electrically connected to the terminal lead frame, and providing a battery protection circuit device thereon.
    Type: Application
    Filed: January 22, 2019
    Publication date: May 23, 2019
    Inventors: Ho-seok HWANG, Young-Seok KIM, Seong-beom PARK, Sang-hoon AHN, Tae Hwan JUNG, Seung-uk PARK, Jae-ku PARK, Myoung-Ki MOON, Hyun-suck LEE, Da-Woon JUNG
  • Patent number: 10298868
    Abstract: An image sensing device includes: a pixel array suitable for generating a plurality of pixel signals corresponding to incident light; a comparison block suitable for comparing the pixel signals with a ramp signal to generate a plurality of comparison signals; a logic block suitable for adjusting slew rates of the respective comparison signals to generate a plurality of logic signals; a global count block suitable for generating a global count signal; and a storing block suitable for storing counted values of the global count signal based on the logic signals received from the logic block.
    Type: Grant
    Filed: January 27, 2017
    Date of Patent: May 21, 2019
    Assignee: SK hynix Inc.
    Inventor: Won-Seok Hwang
  • Publication number: 20190141269
    Abstract: An image sensing device includes a pixel array; a plurality of lines coupled to the pixel array; a readout circuit coupled to the plurality of lines and structured to output a readout reset signal and a readout data; first readout lines coupled to the readout circuit and structured to transfer readout reset signals and readout data signals; a global counter coupled to count the readout reset signals and the readout data signals; a first storing circuit coupled to the first readout lines to receive the readout reset signals and the readout data signals; a line control circuit coupled to the first storing circuit; second readout lines coupled to the line control circuit and structured to transfer the readout control signals received from the line control circuit; and a second storing circuit coupled to the second readout lines to receive the readout control signals.
    Type: Application
    Filed: October 1, 2018
    Publication date: May 9, 2019
    Inventor: Won-Seok Hwang
  • Publication number: 20190136386
    Abstract: The present invention relates to a plated steel sheet for hot press forming, a hot-press forming member manufactured using the same, and a manufacturing method thereof. The plated steel sheet comprises: a base steel sheet and a composite plated layer that is formed on at least one surface of the base steel sheet, and has a Mn-based plated layer and an Al-based plated layer alternately formed therein, an Al-based plated layer being formed on the uppermost layer thereof, wherein the composite plated layer has a total thickness of 5 to 30 ?m, and in this case, the Mn-based plated layer accounts for 5 to 60% of the total thickness.
    Type: Application
    Filed: December 28, 2018
    Publication date: May 9, 2019
    Inventors: Myung-Soo KIM, Hyeon-Seok HWANG, Young-Jin KWAK
  • Patent number: 10283981
    Abstract: A protection IC includes a bias output terminal connected to a back gate of a MOS transistor, a load side terminal connected to a power supply path between a load and the MOS transistor, a load side switch inserted in an electric current path connecting the bias output terminal and the load side terminal, and a control circuit configured to control the load side switch based on a state of a secondary battery and thereby cause a back gate control signal for controlling a voltage of the back gate to be output from the bias output terminal. The load side switch is formed on an N-type silicon substrate and includes at least two NMOS transistors whose drains are connected to each other, and the control circuit is configured to simultaneously turn on or turn off the two NMOS transistors based on the state of the secondary battery.
    Type: Grant
    Filed: July 3, 2017
    Date of Patent: May 7, 2019
    Assignees: MITSUMI ELECTRIC CO., LTD., ITM Semiconductor Co., Ltd.
    Inventors: Shuhei Abe, Hyuk Hwi Na, Ho Seok Hwang, Young Seok Kim, Sang Hoon Ahn
  • Patent number: 10244254
    Abstract: Provided are an encoding system using motion estimation and an encoding method using motion estimation for achieving high-speed motion estimation according to a multi-processing unit. The encoding system using motion estimation, comprises a multi-processing unit calculating motion estimation on many macroblocks of an input image, a motion estimator estimating motion vectors of the macroblocks of the input image using the motion estimation on the plurality of macroblocks, previously calculated by the multi-processing unit, and an encoder encoding the image based on the motion vectors of the macroblocks, estimated by the motion estimator. According to the present invention, motion estimation to be used for motion estimation can be calculated in advance according to the multi-processing unit capable of processing high-speed parallel processing to reduce an image encoding time and improve an encoding speed.
    Type: Grant
    Filed: November 12, 2008
    Date of Patent: March 26, 2019
    Assignee: SK PLANET CO., LTD.
    Inventors: Tae Meon Bae, Joong Yun Lee, Kyung Min Kim, Byung Seok Hwang
  • Publication number: 20190086282
    Abstract: Provided is a pressure sensor apparatus including a lead frame, a pressure sensing element mounted on the lead frame to measure a relative pressure between a first part and a second part, and a housing including a reference medium inlet hole to apply a pressure of a reference medium to the first part, and including a target medium inlet hole to apply a pressure of a target medium to the second part, wherein the reference medium inlet hole is provided in a first surface of the housing, wherein the target medium inlet hole is provided in a second surface of the housing other than the first surface, and wherein the lead frame includes one or more insertion terminals configured to be inserted into and electrically connected to terminal holes of a wire connector.
    Type: Application
    Filed: March 9, 2017
    Publication date: March 21, 2019
    Inventors: Hyuk Hwi NA, Ho Seok HWANG, Ja Guen GU, Dong Hee LEE, Hyang Won KANG, Hyung Jin LIM, Yeong Seol KWON
  • Patent number: 10221196
    Abstract: Described herein are crystalline forms of a compound of formula (II?), including toluene solvates off A TD-CLE, as well as processes for the preparation thereof and use thereof in the preparation of cephalosporin compounds such as ceftolozane. Provided herein is a crystalline form of a compound of formula (II?): wherein X is CI, Br, or I; and R1 and R2 are each independently an oxygen protecting group; processes for making the crystalline form, and use of said form in the synthesis of antibacterial cephalosporins such as ceftolozane.
    Type: Grant
    Filed: August 14, 2015
    Date of Patent: March 5, 2019
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: Kristos Adrian Moshos, Valdas Jurkauskas, Giovanni Fogliato, Manuel Scanu, You Seok Hwang
  • Patent number: 10198541
    Abstract: A circuit modeling system includes a store a first net list. The first net list includes a plurality of semiconductor devices, a first power distribution network (PDN) connected to the plurality of semiconductor devices, and a signal network connected to the plurality of semiconductor devices that transmits signals to the plurality of semiconductor devices. A circuit simulation unit is configured to identify first semiconductor devices and second semiconductor devices from among the plurality of semiconductor devices. The first semiconductor devices are activated by receiving a signal through the signal network, and the second semiconductor devices are inactive. The circuit simulation unit is configured to reduce the first PDN to a second PDN based on the identified first semiconductor devices, and to generate a second net list including the signal network, the second PDN, and the first semiconductor devices.
    Type: Grant
    Filed: December 18, 2014
    Date of Patent: February 5, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Soo-Yung Ahn, Young-Hoe Cheon, Chan-Seok Hwang
  • Patent number: 10190221
    Abstract: The present invention relates to a plated steel sheet for hot press forming, a hot-press forming member manufactured using the same, and a manufacturing method thereof. The plated steel sheet comprises: a base steel sheet and a composite plated layer that is formed on at least one surface of the base steel sheet, and has a Mn-based plated layer and an Al-based plated layer alternately formed therein, an Al-based plated layer being formed on the uppermost layer thereof, wherein the composite plated layer has a total thickness of 5 to 30 ?m, and in this case, the Mn-based plated layer accounts for 5 to 60% of the total thickness.
    Type: Grant
    Filed: December 12, 2014
    Date of Patent: January 29, 2019
    Assignee: POSCO
    Inventors: Myung-Soo Kim, Hyeon-Seok Hwang, Young-Jin Kwak
  • Publication number: 20190010597
    Abstract: Provided is a high-manganese hot-dip aluminum-coated steel sheet comprising: a base steel sheet containing, by weight, 5% to 35% of Mn, 0.3 to 6% of Al, 0.1 to 1.2% of Si, the balanced amount of Fe, and inevitable impurities; a hot-dip aluminum-coated layer, formed on a surface of the base steel sheet, containing, by weight, 3 to 12% of Si and the balanced amount of Al, and inevitable impurities; and an alloy layer, 0.1 to 10 ?m in thickness with a Fe—Al—Si—Mn-based alloy phase on an interface between the base steel sheet and the hot-dip aluminum-coated layer, containing, by weight, 40 to 70% of Al, 2 to 13% of Si, 3 to 9% of Mn, the balance amount of Fe, and inevitable impurities.
    Type: Application
    Filed: December 23, 2016
    Publication date: January 10, 2019
    Inventors: Heung-Yun KIM, Hyeon-Seok HWANG, Young-Ha KIM
  • Publication number: 20190003031
    Abstract: Provided are a hot press-formed article and a method for manufacturing the same. The article is manufactured by hot press forming a galvanized steel sheet comprising a base steel plate and a zinc-based coat layer formed on a surface of the base steel plate, wherein the zinc-based coat layer contains at least one element selected from the group consisting of Sb, Sn, and Bi in a total amount of 0.05% to 2.0% by weight, and a balanced amount of Zn and inevitable impurities, at least 70% by weight of the at least one element selected from the group consisting of Sb, Sn, Bi being concentrated in a region 3 ?m or less distant from the surface of an alloyed zinc-based coat layer, formed by alloying the zinc-based coat layer, of the hot press-formed article.
    Type: Application
    Filed: December 21, 2016
    Publication date: January 3, 2019
    Inventors: Hyeon-Seok HWANG, Il-Ryoung SOHN, Jong-Sang KIM
  • Publication number: 20180375911
    Abstract: Disclosed is a method for operating an application providing a group call service using mobile voice over internet protocol (mVoIP). According to one embodiment, a request signal for a group call is received, and regardless of participation in the corresponding the group call, meta information for the group chat room corresponding to the group call can be received from a server. The meta information can comprise at least the group call connection status for each member of the group chat room.
    Type: Application
    Filed: September 4, 2018
    Publication date: December 27, 2018
    Inventors: Young Joon Ryu, Hyang Deok Yim, Choon Taek Kim, Jung Taek Kim, Se Jong Seo, Dae Gil Kim, Dong Kuk Woo, Seok Kyoo Lee, Ki Yong Sim, Jun Jae Kim, Chang Ho Park, Hyun Seok Hwang, Seong Hark Kang