Patents by Inventor Sung Wook Choi

Sung Wook 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: 20150189362
    Abstract: A display apparatus, including a microphone configured to receive a voice signal and a controller configured to generate a resulting screen corresponding to the voice signal different from a first displayed screen and according to a status of the content of the first displayed screen; to display the resulting screen on the display. Accordingly, the display apparatus provides a different resulting screen according to a status of the display apparatus.
    Type: Application
    Filed: December 29, 2014
    Publication date: July 2, 2015
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hee-ran LEE, Hee-Seob Ryu, Sung-wook CHOI, Sung-pil HWANG
  • Publication number: 20150172770
    Abstract: A display apparatus and control method thereof are provided. The display apparatus includes: a processor configured to process image data of image contents; a display configured to display the image data processed by the processor as an image; a user interface configured to sense a reaction of a user to the image displayed by the display; and a controller configured to determine a preference of the user for the image contents based on the reaction sensed by the user interface. The controller is configured to determine the preference based on an accumulated value of each reaction among a plurality of kinds of reactions generated while the image is displayed and a weight set up corresponding to the reaction. The weight corresponding to the reaction is set up according to genres of the image contents.
    Type: Application
    Filed: December 1, 2014
    Publication date: June 18, 2015
    Applicants: TOKYO INSTITUTE OF TECHNOLOGY, SAMSUNG ELECTRONICS CO., LTD.
    Inventors: In-ji KIM, Yoshihiro MIYAKE, Jinhwan KWON, Sang-on CHOI, Sung-wook CHOI
  • Publication number: 20150139078
    Abstract: A method and apparatus for supporting Non-Access Stratum (NAS) communication between a User Equipment (UE) and a Mobility Management Entity (MME) efficiently by addressing the signaling problems occurring between the UE and the MME in a situation where it is necessary for a network node to identify the UE and acquire UE information, if there is any, from another network node to which the UE has been attached, are provided. The method for communication between the UE and network based on the NAS protocol messages and operations is implemented with the involvement a UE, an MME, and an old MME or an old Serving General Packet Radio Service (GPRS) Support Node (SGSN) to which the UE has been attached before so as to facilitate discovering a best node using the UE information acquired from the old MME or old SGSN during the communication between the UE and the network, resulting in a reduction of a communication delay between the UE and network and an improvement of communication efficiency.
    Type: Application
    Filed: January 30, 2015
    Publication date: May 21, 2015
    Inventors: Kyung Joo SUH, Ho Gun LIM, Kyung Hun JUNG, Sung Wook CHOI, Sang Soo JEONG
  • Publication number: 20150106090
    Abstract: A voice control method and display apparatus are provided. The voice control method includes converting a voice of a user into text in response to the voice being input during a voice input mode; performing a control operation corresponding to the text; determining whether speech of the user has finished based on a result of the performing the control operation; awaiting input of a subsequent voice of the user during a predetermined standby time in response to determining that the speech of the user has not finished; and releasing the voice input mode in response to determining that the speech of the user has finished.
    Type: Application
    Filed: May 1, 2014
    Publication date: April 16, 2015
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sung-wook CHOI, Hee-seob RYU, Hee-ran LEE, Sung-pil HWANG
  • Patent number: 8964377
    Abstract: An electronic device includes a first body and a second body that may be disposed in a first position in which the second body overlaps the first body, a second position in which the second body is slid from the first body, and a third position in which the second body is tilted with respect to the first body, and includes an exposure prevention member that prevents a flexible connection member that electrically connects the first and second bodies from being externally exposed when the first and second bodies are disposed in the third position.
    Type: Grant
    Filed: July 31, 2012
    Date of Patent: February 24, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Sung-wook Choi
  • Publication number: 20150041658
    Abstract: An object inspection apparatus includes a terahertz wave supplying unit for generating a terahertz wave and moving a path of the terahertz wave according to time so that the terahertz wave is supplied to an object to be inspected, a focusing lens located between the terahertz wave supplying unit and the object to be inspected to focus the terahertz wave supplied by the terahertz wave supplying unit, a rotating plate having a plate shape and including a plurality of the focusing lenses with different distances from the center thereof, the rotating plate rotating in the circumferential direction so that one of the focusing lenses is located at a path of the terahertz wave according to the path movement of the terahertz wave, and a terahertz wave detecting unit for collecting and detecting a terahertz wave incident to the object to be inspected.
    Type: Application
    Filed: April 10, 2012
    Publication date: February 12, 2015
    Applicant: KOREA FOOD RESEARCH INSTITUTE
    Inventors: Hyang-Sook Chun, Sung-Wook Choi, Hyun-Joo Chang, Na-Ri Lee, Gyeong-Sik Ok
  • Publication number: 20150043255
    Abstract: A high voltage generator includes a voltage converting device configured to increase a level of an input voltage and output an output voltage having a level higher than the level of the input voltage. The high voltage generator also includes a precharge controller configured to gradually increase the level of the input voltage up to a level of an external voltage based on a reference voltage and the output voltage.
    Type: Application
    Filed: July 21, 2014
    Publication date: February 12, 2015
    Inventors: Young-Il KIM, Sang-Sun LEE, Sung-Wook CHOI
  • Patent number: 8953264
    Abstract: Position detecting apparatus that has a high detecting precision and a lens barrel assembly including the same are disclosed. A position detecting apparatus is provided that includes a base; a magnetic scale spaced apart from the base by a first predetermined distance and movable in a first direction; a first adjustment portion coupled to the base to adjust a second distance from the base; and a sensor rotatably coupled to the first adjustment portion and that senses a change in a position of the magnetic scale.
    Type: Grant
    Filed: April 16, 2012
    Date of Patent: February 10, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Cheol-eun Jang, Sung-wook Choi
  • Publication number: 20150023297
    Abstract: A method and apparatus for supporting Non-Access Stratum (NAS) communication between a User Equipment (UE) and a Mobility Management Entity (MME) efficiently by addressing the signaling problems occurring between the UE and the MME in a situation where it is necessary for a network node to identify the UE and acquire UE information, if there is any, from another network node to which the UE has been attached, are provided. The method for communication between the UE and network based on the NAS protocol messages and operations is implemented with the involvement a UE, an MME, and an old MME or an old Serving General Packet Radio Service (GPRS) Support Node (SGSN) to which the UE has been attached before so as to facilitate discovering a best node using the UE information acquired from the old MME or old SGSN during the communication between the UE and the network, resulting in a reduction of a communication delay between the UE and network and an improvement of communication efficiency.
    Type: Application
    Filed: October 6, 2014
    Publication date: January 22, 2015
    Inventors: Kyung Joo SUH, Ho Gun LIM, Kyung Hun JUNG, Sung Wook CHOI, Sang Soo JEONG
  • Publication number: 20150012280
    Abstract: A system includes a server and an image processing apparatus, and the server is provided that includes a communication interface, a storage, and a processor. The communication interface is configured to communicate with the image processing apparatus. The storage is configured to store data. The processor may provide a result of processing a first event that includes a speech of a user to the image processing apparatus in response to the first event being received from the image processing apparatus, store a record of the first event in the storage according to processing of the first event, determine a relation between the first and second events that includes a user input by a non-speech method in response to the second event being received from the image processing apparatus, and process the second event based on the record of the first event stored in the storage in response to the relation.
    Type: Application
    Filed: May 7, 2014
    Publication date: January 8, 2015
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Yong-wook SHIN, Ji-hye CHUNG, Seung-min SHIN, Hee-ran LEE, Sung-wook CHOI
  • Publication number: 20140369128
    Abstract: A semiconductor memory device includes a memory cell suitable for having a predetermined cell state based on a data stored therein, a control signal generation unit suitable for generating a control signal for changing the cell state of the memory cell during a reading operation, an information storage unit suitable for storing a variation status information of the control signal to which a moment when the cell state of the memory cell changes is reflected, and an output unit suitable for outputting the variation status information of the control signal stored in the information storage unit as a signal corresponding to the data stored in the memory cell.
    Type: Application
    Filed: December 13, 2013
    Publication date: December 18, 2014
    Applicants: Industry-University Cooperation Foundation Hanyang University, SK hynix Inc.
    Inventors: Sung-Wook CHOI, Jung-Hoon HAM, Young-Il KIM, Sang-Sun LEE
  • Patent number: 8867296
    Abstract: A regulator includes a variable resistance unit coupled between an input node to which a pumping voltage is inputted and a control node and configured to adjust resistance of the variable resistance unit in response to a control signal varied depending on a target voltage, a voltage output unit configured to adjust the pumping voltage according to potential of the control node and output the adjusted pumping voltage, and a regulation unit configured to control the potential of the control node according to the adjusted pumping voltage, to output the target voltage. The regulator adjusts the resistance of an internal resistor according to the target voltage, thereby reducing current consumption.
    Type: Grant
    Filed: March 16, 2013
    Date of Patent: October 21, 2014
    Assignee: SK Hynix Inc.
    Inventor: Sung Wook Choi
  • Patent number: 8855051
    Abstract: A method and apparatus for supporting Non-Access Stratum (NAS) communication between a User Equipment (UE) and a Mobility Management Entity (MME) efficiently by addressing signaling problems occurring between the UE and the MME in a situation where it is necessary for a network node to identify the UE information, from another network node to which the UE has been attached, are provided. The method is implemented with a UE, an MME, and an old MME or an old Serving General Packet Radio Service Support Node (SGSN) to which the UE has been attached before so as to facilitate discovering a best node using the UE information acquired from the old MME or old SGSN during communication between the UE and the network, resulting in a reduction of a communication delay between the UE and network and an improvement of communication efficiency.
    Type: Grant
    Filed: September 9, 2011
    Date of Patent: October 7, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Kyung Joo Suh, Ho Gun Lim, Kyung Hun Jung, Sung Wook Choi, Sang Soo Jeong
  • Publication number: 20140196091
    Abstract: A display apparatus and a server which implements an interactive system are disclosed. The server includes a communicator which receives text information corresponding to a user voice collected at the display apparatus from the display apparatus, and a controller which extracts an utterance component from the text information and controls so that a query to search contents is generated using the extracted utterance component and transmitted to an external server which categorizes metadata of the content under each item and stores the same, in which the controller generates the query by adding a preset item to a criteria to search a content, when a number of criteria to categorize the content under an item corresponding to the extracted utterance component is less than a preset number.
    Type: Application
    Filed: January 7, 2014
    Publication date: July 10, 2014
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Yong-wook SHIN, Seung-min SHIN, Sung-wook CHOI, Hye-jeong LEE, Ji-hye CHUNG
  • Patent number: 8771165
    Abstract: Provided is a ventricular assist device cannula, and more particularly, a ventricular assist device cannula with electrodes. An exemplary embodiment of the present invention provides a ventricular assist device cannula with electrodes, including: a connecting tube connecting an incision of a body tissue and a ventricular assist device so that blood can flow; and electrodes connected with the connecting tube and contacting the incision of the body tissue to transfer an electric signal to the body tissue. The ventricular assist device cannula with electrodes according to the exemplary embodiment of the present invention has effects as follows. First, a bio-signal of a patient wearing the ventricular assist device through the electrode attached to the conduit can be easily measured without a separate electrode implant and an electric stimulus can also be measured.
    Type: Grant
    Filed: October 21, 2013
    Date of Patent: July 8, 2014
    Assignee: Libraheart, Inc.V
    Inventors: Sung Wook Choi, Byoung Goo Min
  • Publication number: 20140168373
    Abstract: A light path adjustment apparatus includes: a support plate with a first through hole through which light passes; a plurality of optical units, including first and second optical units, that move between an open location where the first through hole is opened by the optical units moving toward an outside of the first through hole and a closing location where the first through hole is divided into a plurality of regions by the plurality of optical units moving toward the first through hole and blocking at least a part of the light; and a rotation plate that has a second through hole corresponding to the first through hole and is rotatably disposed with respect to the support plate. The first and second optical units correspond to first and second regions of the first through hole, respectively, and are coupled to the support plate and the rotation plate, respectively.
    Type: Application
    Filed: February 25, 2014
    Publication date: June 19, 2014
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ki-oh Jung, Cheol-eun Jang, Sung-wook Choi, Woo-jong Cho
  • Publication number: 20140169064
    Abstract: A regulator includes a variable resistance unit coupled between an input node to which a pumping voltage is inputted and a control node and configured to adjust resistance of the variable resistance unit in response to a control signal varied depending on a target voltage, a voltage output unit configured to adjust the pumping voltage according to potential of the control node and output the adjusted pumping voltage, and a regulation unit configured to control the potential of the control node according to the adjusted pumping voltage, to output the target voltage. The regulator adjusts the resistance of an internal resistor according to the target voltage, thereby reducing current consumption.
    Type: Application
    Filed: March 16, 2013
    Publication date: June 19, 2014
    Applicant: SK HYNIX INC.
    Inventor: Sung Wook CHOI
  • Patent number: 8749118
    Abstract: A vibrating actuator assembly includes a diaphragm, at least one vibrator at the diaphragm and that vibrates when an electric signal is applied thereto, a vibration shaft having one end connected to the diaphragm, a rotor on an outer side of the vibration shaft to contact an outer surface of the vibration shaft and that moves by vibration of the vibration shaft, and an elastic presser at another end of the vibration shaft and that elastically presses the rotor toward the diaphragm.
    Type: Grant
    Filed: July 29, 2011
    Date of Patent: June 10, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Cheol-eun Jang, Chan-young Moon, Sung-wook Choi, Woo-jong Cho
  • Publication number: 20140062429
    Abstract: A rectifier circuit capable of attenuating an offset voltage wherein the rectifier circuit includes an amplification unit configured to generate an output voltage through an output terminal in response to a reference voltage and a voltage at a feedback node, a plurality of first unit resistors connected between the output terminal and the feedback node, and a plurality of second unit resistors connected between the feedback node and a ground terminal, and wherein each of the first unit resistors and each of the second unit resistors are designed to have different resistance values.
    Type: Application
    Filed: March 18, 2013
    Publication date: March 6, 2014
    Applicant: SK HYNIX INC.
    Inventor: Sung Wook CHOI
  • Patent number: 8662766
    Abstract: A light path adjustment apparatus includes a support plate that has a first through hole through which light passes and optical units that move between an open location where the first through hole is opened by the optical units moving toward an outside of the first through hole and a closing location where the first through hole is divided into a plurality of regions by the plurality of optical units moving toward the first through hole. The optical units block at least a part of the light in the closing location.
    Type: Grant
    Filed: June 1, 2011
    Date of Patent: March 4, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ki-oh Jung, Cheol-eun Jang, Sung-wook Choi, Woo-jong Cho