Patents by Inventor Won-Suk Choi

Won-Suk Choi 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: 20150257104
    Abstract: A method for operating an electronic device and an electronic device thereof are provided. The method for operating the electronic device includes receiving sensor information of the electronic device. Further, the method includes controlling, by the electronic device a beacon signal based on the sensor information.
    Type: Application
    Filed: March 10, 2015
    Publication date: September 10, 2015
    Inventors: Won-Suk CHOI, Kwang-Sub SON, Sung-Ho SON, Young-Eun HAN
  • Publication number: 20150243157
    Abstract: A cradle having an anti-theft device of a wearable device is provided. The cradle includes a cradle body, a cradle head that supports a wearable device and is detachable from the cradle body, such that the cradle head is exchangeable, and an anti-theft device that connects the cradle body and the wearable device.
    Type: Application
    Filed: December 23, 2014
    Publication date: August 27, 2015
    Inventors: Sang-Wook CHOI, Won-Suk CHOI, Jong-Chul CHOI
  • Publication number: 20150245186
    Abstract: A function operating method of an electronic device is provided. The method includes receiving, by a first electronic device, information relating to a second electronic device; and deactivating at least one of a function or a component of the first electronic device based on the received information. A communication method of an electronic device is also provided. The method includes comparing, by a first electronic device including a first communication module, resource states of the first electronic device and a second electronic device including a second communication module; providing information relating to a state change of the second communication module based on at least the comparison result; and receiving a communication signal for the first electronic device or the second electronic device via the first communication module.
    Type: Application
    Filed: February 23, 2015
    Publication date: August 27, 2015
    Inventors: Ji Hyun PARK, Kwang Sub Son, Dong II Son, Sung Ho Son, Su Ha Yoon, Sun Kee Lee, Won Suk Choi, Sun Min Hwang, Sung Hyuk Shin
  • Publication number: 20150237462
    Abstract: The present disclosure relates to a beacon relay method for an electronic device. A method to operate an electronic device is provided. The method includes receiving a beacon signal. The method also includes analyzing information in the received beacon signal. The method further includes determining whether to relay the beacon signal based on the analyzed information.
    Type: Application
    Filed: February 19, 2015
    Publication date: August 20, 2015
    Inventors: Young-Eun Han, Kwang-Sub Son, Sung-Ho Son, Won-Suk Choi
  • Publication number: 20150230349
    Abstract: A foldable display is disclosed. In one aspect, the foldable display includes a flexible display panel having first and second ends opposing each other, a first plate connected to the first end of the flexible display panel, and a second plate facing the first plate. The foldable display further includes a third plate configured to slide in and out of the second plate, wherein the third plate is connected to the second end of the flexible display panel. The foldable display also includes a first rotary plate hinged to at least one of the first and second plates.
    Type: Application
    Filed: June 5, 2014
    Publication date: August 13, 2015
    Inventors: Sang-Jo LEE, Cheol-Su KIM, Won-Suk CHOI
  • Patent number: 9100842
    Abstract: A method for calibration for a Radio Frequency (RF) circuit in a communication device is provided. The method includes performing an independent RF-circuit calibration, storing calibration data generated through the calibration, in an external storage unit, and downloading, to the communication device, partial calibration data among the calibration data stored in the external storage unit.
    Type: Grant
    Filed: February 13, 2013
    Date of Patent: August 4, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Won-Suk Choi, In-Yup Kang, Si-Bun Jun
  • Patent number: 9089817
    Abstract: A system for denitrifying exhaust gas, including a urea water injection unit for supplying urea water and air to a reaction chamber, wherein the urea water injection unit includes: an air supply unit for supplying external air to an injector through an air supply line; a urea water supply unit for supplying urea water to the injector through a urea water supply line; a water supply unit for supplying water to the injector through a water supply line connected to one side of the urea water supply line; a flow control valve for selectively supplying water or urea water to the injector through the urea water supply line; and the injector respectively connected to the air supply unit and the urea water supply unit to selectively discharge air, urea water or water to the reaction chamber through an injection nozzle.
    Type: Grant
    Filed: October 28, 2010
    Date of Patent: July 28, 2015
    Assignees: Panasia Co., Ltd., Korea Power Engineering Company, Inc.
    Inventors: Soo-Tae Lee, Won-Suk Choi, Sung-Ho Hong, Gyeong-Woo Kang, Chang-Hoon Shin
  • Publication number: 20150156676
    Abstract: The present disclosure relates to an electronic apparatus for determining a relay apparatus and a method thereof. An electronic apparatus according to various embodiments includes a communication unit that transmits and receives data. The electronic apparatus also includes a controller that determines whether disconnection between an electronic apparatus operating as a relay apparatus and at least one client apparatus is expected. The control also, if the disconnection is expected, informs the at least one client apparatus of the expected disconnection. The control also determines whether a status of the electronic apparatus satisfies a condition for a change to a new relay apparatus and informs the at least one client apparatus that the electronic apparatus no longer operates as the relay apparatus if the condition for a change to a new relay apparatus is satisfied. The control also determines any one of the at least one client apparatus as the new relay apparatus.
    Type: Application
    Filed: April 21, 2014
    Publication date: June 4, 2015
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: In-Su Yoon, Su-Ha Yoon, Won-Suk Choi
  • Publication number: 20150141074
    Abstract: A foldable calling device includes a body which is foldable; a speaker at a first side of the body, in an unfolded state of the body; a first microphone at the first side of the body, in the unfolded state of the body; and a second microphone at a second side of the body opposite to the first side, in the unfolded state of the body.
    Type: Application
    Filed: March 3, 2014
    Publication date: May 21, 2015
    Applicant: Samsung Display Co., Ltd.
    Inventors: Jin-Bo Shim, Yoon-Jee Shin, Seung-Rok Lee, Won-Suk Choi
  • Publication number: 20140225794
    Abstract: A wireless communication system provides an antenna apparatus for the wireless communication system. The antenna apparatus includes a base, a plurality of Yagi-Uda antenna modules disposed in a specific arrangement, a plurality of floating metal modules correspondingly installed in upper portions of the Yagi-Uda antenna modules and selectively connected to a corresponding Yagi-Uda module among the plurality of Yagi-Uda antenna modules, a switching element for selectively switching the floating metal module and the Yagi-Uda antenna module, and a controller for controlling the Yagi-Uda antenna module to comprise a directivity in a desired direction by selectively switching the switching element.
    Type: Application
    Filed: December 9, 2013
    Publication date: August 14, 2014
    Applicants: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY, SAMSUNG ELECTRONICS CO., LTD
    Inventors: Won-Suk Choi, Chul-Soon Park, In-Sang Song, Inn-Yeal Oh, Joong-Ho Lee, Chae-Jun Lee
  • Publication number: 20140211891
    Abstract: A signal reception apparatus in a communication system supporting a beam forming scheme is provided. The signal reception apparatus includes a Low Noise Amplifier (LNA) configured to generate a second signal by amplifying a first signal according to a first gain value, a Variable Gain Amplifier (VGA) configured to generate a third signal by amplifying the second signal according to a second gain value, and an Automatic Gain Controller (AGC) configured to control the first gain value and the second gain value by considering a plurality of beam types supported in a signal transmission apparatus.
    Type: Application
    Filed: January 27, 2014
    Publication date: July 31, 2014
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Jeong-Ho PARK, Won-Suk CHOI, Hyun-Kyu YU, Jae-Weon CHO
  • Patent number: 8787847
    Abstract: A method and an apparatus for calibration of a transmitter not having a Surface Acoustic Wave (SAW) filter are provided. The apparatus includes a calibration unit for outputting a detuning signal by which a resonance frequency of a Radio Frequency (RF) circuit is detuned with respect to a transmit operating frequency, and an RF unit for changing the resonance frequency according to the detuning signal and for outputting an out-of-band noise and a transmit signal having a relatively lower power than that of a case where the resonance frequency and the transmit operating frequency are tuned to each other.
    Type: Grant
    Filed: July 16, 2012
    Date of Patent: July 22, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Si-Bum Jun, In-Yup Kang, Min-Goo Kim, Chang-Joon Park, Won-Suk Choi
  • Patent number: 8778600
    Abstract: A method of forming a high resolution organic thin film pattern, the method including forming a first organic layer on a substrate; selectively removing the first organic layer by selectively irradiating light energy onto the first organic layer, and forming a remaining part of the first organic layer as a sacrifice layer; forming a second organic layer on the substrate and the entire surface of the sacrifice layer; and lifting off the second organic layer formed on the sacrifice layer by removing the sacrifice layer using a solvent, and forming the remaining second organic layer as a second organic layer pattern.
    Type: Grant
    Filed: December 27, 2010
    Date of Patent: July 15, 2014
    Assignees: Samsung Display Co., Ltd., SNU R&DB Foundation
    Inventors: Min-Chul Suh, Sin-Doo Lee, Won-Suk Choi, Min-Hoi Kim
  • Patent number: 8606280
    Abstract: A resource allocation in a broadband wireless communication system is provided. An apparatus for a base station in a broadband wireless communication system includes a manager for managing resources by dividing the resources into a plurality of regions based on a maximum supportable error vector magnitude (EVM) in a frequency axis; and an allocator for allocating resources of a region other than a first region, the region having the smallest maximum supportable EVM, to a service to which a maximum modulation and coding scheme (MCS) level is not applied.
    Type: Grant
    Filed: September 16, 2008
    Date of Patent: December 10, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Joo-Hyun Lee, Young-Hoon Kwon, Sang-Boh Yun, Won-Suk Choi
  • Patent number: 8537844
    Abstract: Provided is an Ethernet-to-serial gateway apparatus including: a buffer manager to verify a characteristic of a data packet received via an Ethernet interface, and to thereby select a buffer for storing the data packet, and to store the data packet in the selected buffer; a packet scheduler to extract a data packet from the buffer according to a predetermined policy; a packet distributor to verify a destination address of the extracted data packet, and to thereby obtain serial interface information associated with at least one target apparatus to which the extracted data packet is transmitted; and a serial communication unit to transmit the extracted data packet to the at least one target apparatus via a corresponding serial interface based on the serial interface information.
    Type: Grant
    Filed: October 6, 2010
    Date of Patent: September 17, 2013
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Kwang-Il Lee, Jun-Hee Park, Won-Suk Choi, Kyeong-Deok Moon
  • Patent number: 8508557
    Abstract: Exemplary embodiments of the present invention relate to an organic light emitting diode (OLED) display and a method of driving the same. The OLED display includes a driving circuit for generating a plurality of data signals and a plurality of scan signals based on image information stored in a memory. The driving circuit receives an inactive state signal generated when the image information is a still image, generates only a plurality of scan signals and a plurality of data signals corresponding to a light emitting region in which the still image is displayed, and transfers the generated scan and data signals to a plurality of corresponding data lines and a plurality of corresponding scan lines, respectively.
    Type: Grant
    Filed: August 20, 2010
    Date of Patent: August 13, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Bong-Oh Park, Sung-Un Park, Won-Suk Choi
  • Publication number: 20130163695
    Abstract: A method and an apparatus for calibration of a transmitter not having a Surface Acoustic Wave (SAW) filter are provided. The apparatus includes a calibration unit for outputting a detuning signal by which a resonance frequency of a Radio Frequency (RF) circuit is detuned with respect to a transmit operating frequency, and an RF unit for changing the resonance frequency according to the detuning signal and for outputting an out-of-band noise and a transmit signal having a relatively lower power than that of a case where the resonance frequency and the transmit operating frequency are tuned to each other.
    Type: Application
    Filed: July 16, 2012
    Publication date: June 27, 2013
    Applicant: SAMSUNG ELECTRONICS CO. LTD.
    Inventors: Si-Bum JUN, In-Yup KANG, Min-Goo KIM, Chang-Joon PARK, Won-Suk CHOI
  • Publication number: 20130101472
    Abstract: This invention relates to a reducing agent supply device and an exhaust gas denitrification system using the same. The reducing agent supply device includes a reducing agent supply unit for supplying a reducing agent to a selective supply unit, a water supply unit for supplying water to the selective supply unit, the selective supply unit for selectively supplying any one of the reducing agent and water supplied from the reducing agent supply unit and the water supply unit to a spray unit, and the spray unit for spraying the reducing agent or water supplied from the selective supply unit, wherein the selective supply unit supplies water to the spray unit when the spray unit is blocked due to solidification of the reducing agent which remains behind therein because of a process in which the spray unit continuously sprays the reducing agent or a temporary malfunction of the device, thereby preventing blockage of the spray unit. Also an exhaust gas denitrification system using the device is provided.
    Type: Application
    Filed: June 20, 2011
    Publication date: April 25, 2013
    Applicant: PANASIA CO., LTD.
    Inventors: Soo-Tae Lee, Won-Suk Choi, Gyeong-Woo Kang
  • Patent number: D705728
    Type: Grant
    Filed: June 28, 2013
    Date of Patent: May 27, 2014
    Assignee: LSIS Co., Ltd.
    Inventor: Won Suk Choi
  • Patent number: D707176
    Type: Grant
    Filed: June 21, 2013
    Date of Patent: June 17, 2014
    Assignee: LSIS Co., Ltd.
    Inventor: Won Suk Choi