Patents by Inventor Chul-Woo Kim

Chul-Woo Kim 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: 9780802
    Abstract: Provided is a time-interleaved analog-digital converter including: a plurality of analog-digital converters which is located in each of a plurality of channels and converts an input analog signal into a plurality of partial digital signals; a plurality of sampling bandwidth adjusting units which is located in each of the plurality of channels and adjusts a plurality of sampling bandwidths of the plurality of channels in accordance with a plurality of bandwidth adjusting signals; and a sampling bandwidth control unit which estimates the plurality of sampling bandwidths and generates the plurality of bandwidth adjusting signals by which the plurality of sampling bandwidths matches each other.
    Type: Grant
    Filed: November 28, 2016
    Date of Patent: October 3, 2017
    Assignee: Korea University Research and Business Foundation
    Inventors: Chul Woo Kim, Yun Soo Park
  • Publication number: 20170221456
    Abstract: An electronic device is provided. The electronic device includes a display positioned on at least a surface of a housing of the electronic device, at least one sensor configured to sense a bend of the display and a mount of the electronic device, and a processor configured to control a running of an application, obtain information relating to a shape of the bend of the display and a form of the mount of the electronic device based on information sensed by the at least one sensor, determine a transformation type of the display based on the information relating to the shape of the bend and the form of the mount, when the electronic device is mounted in the determined transformation type, determine at least one display area in the display according to a first function of the application corresponding to the transformation type, and perform control to display an object relating to the first function on the determined display area.
    Type: Application
    Filed: January 25, 2017
    Publication date: August 3, 2017
    Inventors: Hee-Jin KIM, Kyu-Ok CHOI, Dong-Jun SHIN, Chul-Woo KIM
  • Publication number: 20170185289
    Abstract: An electronic device having a flexible display and a method for operating the same are provided. The method includes displaying a first graphic user interface (GUI) for character input on a flexible display and detecting a change in a bending state of the flexible display. Changing the first GUI to a second GUI based on the detected change of the bending state of the flexible display, and then displaying the second GUI. In some embodiments, the method may include determining a moved area among the first area and the second area and displaying the second GUI based on the determined moved area and the angle between the first area and the second area. Determining the moved area may include detecting a first pressure corresponding to the first area and a second pressure corresponding to the second area, and then determining the moved area based on the first and second pressures.
    Type: Application
    Filed: December 19, 2016
    Publication date: June 29, 2017
    Inventors: Chul-Woo Kim, Sung-Youn An, Hang-Kyu Park
  • Publication number: 20170112172
    Abstract: Provided is a kelp chip manufacturing method which does not require frying with no transformation of the shape of kelp but has high preference. The kelp chip manufacturing method includes: a kelp braising process of braising kelp using one of starch syrup, soy source, olive oil or mixture of starch syrup, soy source and olive oil; a kelp heating process of heating the braised kelp in a retort-pouched state; and a kelp freeze-drying process of freeze-drying the heated kelp. The kelp chip manufacturing method can manufacture kelp chips with high preference in texture, taste and so on through the kelp braising process and the kelp heating process.
    Type: Application
    Filed: October 26, 2015
    Publication date: April 27, 2017
    Inventor: Chul-Woo KIM
  • Patent number: 9505821
    Abstract: Disclosed herein are nucleic acid sequences that encode pro-apoptotic polypeptides. Also disclosed are polypeptides encoded by these nucleic acid sequences, and antibodies, which immunospecifically-bind to the polypeptide, as well as derivatives, variants, mutants, or fragments of the aforementioned polypeptide, polynucleotide, or antibody. The invention further discloses therapeutic, diagnostic and research methods for diagnosis, treatment, and prevention of proliferative disorders and bacterial infections using the nucleic acids and proteins of the invention.
    Type: Grant
    Filed: October 3, 2007
    Date of Patent: November 29, 2016
    Assignee: Rutgers, The State University of New Jersey
    Inventors: Jianjie Ma, Jae-Kyun Ko, Chul-Woo Kim, Noah Weisleder
  • Patent number: 9496856
    Abstract: Provided is a ramp signal generating apparatus. The ramp signal generating apparatus includes N (N is a natural number) ramp signal generating cells that are connected in series to each other. Each of the ramp signal generating cells includes a power voltage unit for supplying current source, a latch unit for latching an output voltage of the power voltage unit, and a switch unit for outputting the voltage latched by the latch unit as an output voltage in response to an input signal.
    Type: Grant
    Filed: April 16, 2015
    Date of Patent: November 15, 2016
    Assignee: Korea University Research and Business Foundation
    Inventors: Chul Woo Kim, Min Seob Shim, Jun Won Jung, Jung Moon Kim, Jun Young Maeng
  • Patent number: 9467161
    Abstract: Provided is a low-power, high-speed successive approximation register (SAR) analog-to-digital converter (ADC). The low-power, high-speed SAR ADC includes a bootstrapping unit configured to receive inputs of first and second analog signals, a double-bit output SAR analog-to-digital conversion unit configured to output a two-bit digital signal for each clock cycle section with respect to the first and second analog signals applied through the bootstrapping unit, and a single-bit output SAR analog-to-digital conversion unit configured to output a one-bit digital signal for each clock cycle section with respect to the first and second analog signals applied through the bootstrapping unit.
    Type: Grant
    Filed: January 27, 2016
    Date of Patent: October 11, 2016
    Assignee: Korea University Research and Business Foundation
    Inventors: Chul Woo Kim, Se Jin Park
  • Publication number: 20160079791
    Abstract: Disclosed is an energy harvesting apparatus. The energy harvesting apparatus includes a rectifier for rectifying an alternating current (AC) voltage supplied from an energy source into a direct current (DC) voltage, a charging unit for storing an output voltage of the rectifier, and a maximum power point tracker selectively connected between the rectifier and the charging unit, for differentiating the output voltage of the rectifier in a first connection state, and for controlling the output voltage of the rectifier based on a differentiation result.
    Type: Application
    Filed: January 7, 2015
    Publication date: March 17, 2016
    Inventors: Chul Woo KIM, Min Seob SHIM, Jun Won JUNG, Jung Moon KIM
  • Publication number: 20160079963
    Abstract: Provided is a ramp signal generating apparatus. The ramp signal generating apparatus includes N (N is a natural number) ramp signal generating cells that are connected in series to each other. Each of the ramp signal generating cells includes a power voltage unit for supplying current source, a latch unit for latching an output voltage of the power voltage unit, and a switch unit for outputting the voltage latched by the latch unit as an output voltage in response to an input signal.
    Type: Application
    Filed: April 16, 2015
    Publication date: March 17, 2016
    Inventors: Chul Woo KIM, Min Seob SHIM, Jun Won JUNG, Jung Moon KIM, Jun Young MAENG
  • Patent number: 9140483
    Abstract: A refrigerator may allow the inner space of a storage box to be sealed by a gasket disposed between the shelf and the storage box and adjust humidity of the sealed inner space of the storage box by disposing a moisture-permeable membrane on the shelf. The refrigerator includes a body, a storage compartment arranged in the body, a shelf arranged in the storage compartment and provided with an extension portion, a storage box coupled to a lower portion of the shelf, the storage box being provided with an edge portion, a plurality of rails provided at sidewalls of the storage compartment to guide the storage box, the rails being provided with an inclined portion, a gasket coupled to the extension portion of the shelf to seal an inner space of the storage box, and a moisture-permeable membrane arrange at the shelf.
    Type: Grant
    Filed: April 4, 2014
    Date of Patent: September 22, 2015
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Kyoung Sun Park, Sung Cheul Park, Chul Woo Kim, Hong Joo Mun
  • Patent number: 9007039
    Abstract: Provided is a single inductor multiple output (SIMO) direct current-to-direct current (DC/DC) converter that may perform DC/DC conversion by transferring, to output nodes, input current that is input and thereby stored in a single inductor. An output selection unit of the SIMO DC/DC converter may select, from output nodes, a first output node to be supplied with current from a driving unit, and provide output voltage of the first output node and reference voltage of the first output node to a hysteresis comparison unit. The hysteresis comparison unit may control on-time and/or inductor peak current by determining whether the output voltage of the first output node is higher than the reference voltage of the first output node by at least a first threshold, and whether the output voltage of the first output voltage is lower than the reference voltage of the first output voltage by at least a second threshold.
    Type: Grant
    Filed: June 13, 2012
    Date of Patent: April 14, 2015
    Assignee: Korea University Research and Business Foundation
    Inventors: Chul Woo Kim, Jung Moon Kim
  • Patent number: 8989662
    Abstract: A method of automatically connecting to a peripheral Bluetooth device and service in a mobile communication terminal having a Bluetooth module is provided. Upon input of a key, it is determined whether the key includes a Bluetooth mode key. If the key includes the Bluetooth mode key, the terminal transitions to a Bluetooth mode. A Bluetooth device or service corresponding to the key as a short key is detected and connected.
    Type: Grant
    Filed: October 19, 2006
    Date of Patent: March 24, 2015
    Assignee: Samsung Electronics Co., Ltd
    Inventor: Chul-Woo Kim
  • Patent number: 8970042
    Abstract: A circuit board is provided including a core insulation film having a thickness and including a first surface and an opposite second surface, an upper stack structure and a lower stack structure. The upper stack structure has a thickness and has an upper conductive pattern having a thickness and an overlying upper insulation film stacked on the first surface of the core insulation film. The lower stack structure has a thickness and has a lower conductive pattern having a thickness and an overlying lower insulation film stacked on the second surface of the core insulation film. A ratio P of a sum of the thicknesses of the upper conductive pattern and the lower conductive pattern to a sum of the thicknesses of the core insulation film, the upper stack structure and the lower stack structure is in a range from about 0.05 to about 0.2.
    Type: Grant
    Filed: November 12, 2012
    Date of Patent: March 3, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Bok-Sik Myung, Chul-Woo Kim, Kyung-Tae Na, Young-Bae Kim, Yong-Hoon Kim, Hee-Seok Lee
  • Publication number: 20150022985
    Abstract: A package substrate includes a core layer having a core top surface and a core bottom surface, and a build-up layer having a stacked structure in which a plurality of interconnection layers and a plurality of insulating layers are alternately stacked on the core top surface. The core bottom surface includes a board connecting area. A surface of the build-up layer includes a chip mounting area. The core layer includes at least one cavity defined by recess sidewalls extending upward from the core bottom surface and a recessed surface located at a higher level than or the same level as the core top surface, at least one device mounted in the at least one cavity, and through-electrodes electrically connecting the core top surface and the core bottom surface.
    Type: Application
    Filed: July 15, 2014
    Publication date: January 22, 2015
    Inventors: KYUNG-TAE NA, CHUL-WOO KIM, BOK-SIK MYUNG, SEUNG-HWAN LEE
  • Patent number: 8882211
    Abstract: A refrigerator having an improved structure of a storage box and a shelf thereof so as to achieve increased space utilization of a storage compartment. The storage box may have slide protrusions respectively formed on both of outer side-faces of the storage box at a lower portion thereof to allow the storage box to be slidably retracted in or extended from the storage compartment. The shelf may have a support structure to support food thereon and slide grooves respectively formed above both sides of the support structure, each groove receiving the corresponding slide protrusion of the storage box. When the storage box is mounted on the shelf, food may be put in the inner space of the storage box, whereas when the storage box is dismounted from the shelf, a food storage space may be present on the support structure of the shelf.
    Type: Grant
    Filed: October 10, 2012
    Date of Patent: November 11, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Myoung Jin Jang, Chul Woo Kim, Sung Cheul Park
  • Publication number: 20140300264
    Abstract: A refrigerator may allow the inner space of a storage box to be sealed by a gasket disposed between the shelf and the storage box and adjust humidity of the sealed inner space of the storage box by disposing a moisture-permeable membrane on the shelf. The refrigerator includes a body, a storage compartment arranged in the body, a shelf arranged in the storage compartment and provided with an extension portion, a storage box coupled to a lower portion of the shelf, the storage box being provided with an edge portion, a plurality of rails provided at sidewalls of the storage compartment to guide the storage box, the rails being provided with an inclined portion, a gasket coupled to the extension portion of the shelf to seal an inner space of the storage box, and a moisture-permeable membrane arrange at the shelf.
    Type: Application
    Filed: April 4, 2014
    Publication date: October 9, 2014
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Kyoung Sun PARK, Sung Cheul Park, Chul Woo Kim, Hong Joo Mun
  • Patent number: 8854118
    Abstract: A charge pumping apparatus includes a voltage pumping unit for pumping an input voltage, a voltage pumping control unit for controlling the voltage pumping unit according to a comparison result between the input voltage and an input criterion voltage and a comparison result between an output voltage output from the voltage pumping unit and an output criterion voltage, and an optimum power point tracking unit for tracking an optimum power point in the case of detecting that the output voltage decreases lower than the output criterion voltage, and adjusting an input impedance to change the input criterion voltage to a voltage corresponding to the optimum power point, wherein the optimum power point is a power point where an input power according to the input voltage becomes a maximum. Since the optimum power point is tracked by measuring only a voltage without a current sensor, a power loss is small.
    Type: Grant
    Filed: August 24, 2012
    Date of Patent: October 7, 2014
    Assignee: Korea University Research and Business Foundation
    Inventors: Chul-Woo Kim, Jungmoon Kim, Jihwan Kim
  • Patent number: 8836370
    Abstract: A semiconductor apparatus includes a power supply changing unit. The power supply changing unit is configured to receive an enable signal and power supply voltage, generate first voltage or second voltage according to the enable signal, change a voltage level of the second voltage according to a level signal, and supply the first voltage or the second voltage as a driving voltage of an internal circuit, wherein the internal circuit receives a first input signal to output a second input signal.
    Type: Grant
    Filed: September 12, 2012
    Date of Patent: September 16, 2014
    Assignee: SK Hynix Inc.
    Inventors: Ki Han Kim, Hyun Woo Lee, Dae Han Kwon, Chul Woo Kim, Soo Bin Lim
  • Publication number: 20140117536
    Abstract: A wiring substrate includes a base film, a plurality of first wirings and a plurality of second wirings. The base film has a chip-mounting region configured for mounting a semiconductor chip thereon. The first wirings extend in a first direction from inside the chip-mounting region to outside the chip-mounting region, and include first connection end portions extending in a second direction different from the first direction. The first connection end portions may be formed inside the chip-mounting region and configured to electrically connect to the semiconductor chip. The second wirings extend in the first direction from inside the chip-mounting region to outside the chip-mounting region, and include second connection end portions extending in the opposite direction to the second direction in which the first connection end portions extend, and the second connection end portions may be formed inside the chip-mounting region and configured to electrically connect to the semiconductor chip.
    Type: Application
    Filed: December 4, 2012
    Publication date: May 1, 2014
    Applicant: Samsung Electronics Co., Ltd
    Inventors: Ji-Hwan HWANG, Dong-Han Kim, Chul-Woo Kim, Chung-Ye Chung, Kwang-Jin Bae
  • Patent number: 8690422
    Abstract: The present invention provides a method for measuring the temperature of a motor for a hybrid electric vehicle. In preferred embodiments, the method of the present invention can preferably ensure the stability and reliability of motor control by extending the linearity of a temperature sensor attached to the motor within a required measurement range. The present invention preferably provides a method for measuring the temperature of a motor for a hybrid electric vehicle, in which a required measurement range of motor temperature is divided into high and low temperature ranges and a hardware gain circuit is divided into first and second gain blocks such that the first gain block measures the temperature of the high temperature range and the second gain block measures the temperature of the low temperature range.
    Type: Grant
    Filed: June 9, 2010
    Date of Patent: April 8, 2014
    Assignee: Hyundai Motor Company
    Inventors: Chul Woo Kim, Bum Sik Kim, Tae Hwan Chung, Young Kook Lee, Jin Hwan Jung, Sang Hyeon Moon, Sung Kyu Kim, Jae Won Lee