Patents by Inventor Kyu Min

Kyu Min 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).

  • BATTERY CHARGING CIRCUIT
    Publication number: 20130249489
    Abstract: A battery charging circuit includes a plurality of unit batteries that are connected in series; a current path forming unit that is connected between the unit batteries and forms a charging current path to one or more unit batteries selected by one or more selection signals; a control unit that senses the charging status of each of the plurality of the unit batteries, and generates the selection signals and controls the duty ratio according to the sensing results; and a charging electricity providing unit that controls the charging voltage provided to the charging current path forming unit according to the duty ratio of the charging control pulse.
    Type: Application
    Filed: June 28, 2012
    Publication date: September 26, 2013
    Inventor: Kyu Min HWANG
  • DEPTH CAMERA, MULTI-DEPTH CAMERA SYSTEM AND METHOD OF SYNCHRONIZING THE SAME
    Publication number: 20130242058
    Abstract: A depth camera includes a sensor unit receiving a reflected light and in response thereto outputting an electrical sensing signal; and a synchronization information calculation unit calculating a performance index with reference to the sensing signal, and with reference to the performance index, generating synchronization information for synchronizing a demodulation clock for sensing the received reflected light. The sensor unit adjusts the frequency and/or phase of the demodulation clock with reference to the synchronization information.
    Type: Application
    Filed: February 14, 2013
    Publication date: September 19, 2013
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: KWANGHYUK BAE, KYU-MIN KYUNG, TAE-CHAN KIM, SEUNGHEE LEE
  • Test mode control circuit in semiconductor memory device and test mode entering method thereof
    Patent number: 8537628
    Abstract: A test mode control circuit is provided to strictly allow entry into a test mode or prevent a boot failure from occurring during a boot operation for a built-in parallel bit test. The test mode control circuit includes a latch, a real entry signal detector, an entry determinator, and a mode control signal generator. When a real entry signal is detected, the entry signal determinator generates an entry determination signal and a test mode control signal is obtained from the mode control signal generator.
    Type: Grant
    Filed: June 22, 2011
    Date of Patent: September 17, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Byoungsul Kim, Hakyong Lee, Jun-Ho Jo, Kyu-Min Park
  • PHASE SYNCHRONIZATION CIRCUIT FOR AC VOLTAGE
    Publication number: 20130234764
    Abstract: A phase synchronization circuit for AC voltage includes an optical phase detection unit that outputs a phase detection signal by detecting an externally provided first AC voltage; a power failure detection unit that outputs a power failure signal by detecting the power failure condition of the first AC voltage; a control unit that selectively activates a selection signal according to the control of the power failure detection signal and outputs a phase control signal according to the control of the phase detection signal; a second AC voltage generation unit that generates a second AC voltage to have the same phase of the first AC voltage when outputting a second AC voltage according to the control of the phase control signal; and a selection unit that outputs either the first AC voltage or the second AC voltage according to the control of the selection signal.
    Type: Application
    Filed: June 28, 2012
    Publication date: September 12, 2013
    Inventor: Kyu Min HWANG
  • TIME OF FLIGHT SENSOR, CAMERA USING TIME OF FLIGHT SENSOR, AND RELATED METHOD OF OPERATION
    Publication number: 20130235364
    Abstract: A time of flight (ToF) sensor comprises a light source configured to irradiate light on a subject, a sensing unit comprising a sensing pixel array configured to sense light reflected from the subject and to generate a distance data signal, and a control unit comprising a view angle control circuit. The view angle control circuit is configured to detect movement of the subject based on the distance data signal received from the sensing unit and to control a view angle of the sensing unit to increase a number of sensing pixels in the sensing pixel array that are used to sense a region in which the detected movement occurs.
    Type: Application
    Filed: February 7, 2013
    Publication date: September 12, 2013
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: KYU-MIN KYUNG, TAE-CHAN KIM, KWANG-HYUK BAE, SEUNG-HEE LEE
  • METHOD AND DEVICE FOR SENSING FREQUENCY FOR OFDM SYSTEMS
    Publication number: 20130223575
    Abstract: Provided is a frequency sensing method and apparatus in an orthogonal frequency division multiplexing (OFDM) system. Provided is a method of sensing a frequency of a received signal that is received from an outside in order to perform one of a plurality of radio communications. An OFDM apparatus may need to inspect a required frequency band before or after performing one of the plurality of radio communications, and to determine whether the frequency band is being used by another radio communication.
    Type: Application
    Filed: October 25, 2011
    Publication date: August 29, 2013
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Sang In Cho, Kyu Min Kang
  • BATTERY CHARGE CIRCUIT
    Publication number: 20130221900
    Abstract: Provided is a battery charge circuit including a charging power supply unit configured to generate an internal voltage using an external power supply; a charging unit configured to measure voltages of first to fourth batteries, output measurement signals, and selectively charge at least one among the first to fourth batteries in response to charge control signals; and a control unit configured to select charging methods corresponding to the measurement signals among a plurality of charging methods stored therein, and generate the control signals corresponding to the charging methods.
    Type: Application
    Filed: August 24, 2012
    Publication date: August 29, 2013
    Inventor: Kyu Min HWANG
  • METHOD AND APPARATUS FOR GENERATING DEPTH INFORMATION FROM IMAGE
    Publication number: 20130222543
    Abstract: An apparatus for generating depth information includes a sensing unit and a final depth providing unit. The sensing unit is configured to sense light received from multiple subjects, and to provide initial depth data having distance information about the subjects and two-dimensional (2D) image data having 2D image information about an image obtained from the subjects. The final depth providing unit is configured to generate estimated depth data having estimated distance information about the subjects by transforming the 2D image data into three-dimensional (3D) data, and to provide final depth data based on the initial depth data and the estimated depth data.
    Type: Application
    Filed: August 30, 2012
    Publication date: August 29, 2013
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Kwang-Hyuk BAE, Kyu-Min KYUNG, Tae-Chan KIM
  • OVER CURRENT PROTECTION APPARATUS
    Publication number: 20130222960
    Abstract: Provided is an over-current protection apparatus including a current sensor configured to transform input current into a voltage signal, and output the voltage signal; an over-current sensing unit driven according to the voltage signal output from the current sensor; and an over-current determination unit configured to generate a switching unit driving signal, the logic level of which is determined according to a duration of an output signal of the over-current sensing unit.
    Type: Application
    Filed: August 24, 2012
    Publication date: August 29, 2013
    Inventor: Kyu Min HWANG
  • BATTERY CHARGE CIRCUIT
    Publication number: 20130221899
    Abstract: Provided is a battery charge circuit including a charging power supply unit configured to generate an internal voltage using an external power supply; a charging unit configured to measure voltages of a plurality of batteries, output measurement signals, and selectively charge at least one among the plurality of batteries in response to charge control signals; and a control unit configured to select charging methods corresponding to the measurement signals, and generate the control signals corresponding to the charging methods.
    Type: Application
    Filed: August 24, 2012
    Publication date: August 29, 2013
    Inventor: Kyu Min HWANG
  • Template derivative for forming ultra-low dielectric layer and method of forming ultra-low dielectric layer using the same
    Patent number: 8507665
    Abstract: A reactive cyclodextrin derivative or a reactive glucose derivative is used as a template derivative for forming an ultra-low dielectric layer. A layer is formed of the reactive cyclodextrin derivative or the reactive glucose derivative capped with Si—H and then cured in an atmosphere of hydrogen peroxide to form the ultra-low dielectric layer.
    Type: Grant
    Filed: May 18, 2012
    Date of Patent: August 13, 2013
    Assignee: Hynix Semiconductor Inc.
    Inventors: Sung Kyu Min, Ja Chun Ku, Sang Tae Ahn, Chai O Chung, Hyeon Ju An, Hyo Seok Lee, Eun Jeong Kim, Chan Bae Kim
  • Apparatus and method for detecting signal in common frequency band
    Patent number: 8503955
    Abstract: An apparatus for detecting a signal in a common frequency band includes: a signal processor configured to extract a selected band signal from received wireless signals by filtering the received wireless signal based on a frequency selection control signal, convert the extracted signal to a baseband signal, and detect a predetermined signal; a sensing signal determiner configured to determine existence of the signal, output a determination result, and outputs a frequency selection generating signal when the predetermined signal is absent; and a frequency selection controller configured to output the frequency selection control signal by selecting a target band among a plurality of previously decided bands.
    Type: Grant
    Filed: July 20, 2010
    Date of Patent: August 6, 2013
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Kyu-Min Kang, Sang-In Cho, Heon-Jin Hong
  • DC/DC CONVERTER AND DRIVING APPARATUS HAVING THE SAME
    Publication number: 20130169180
    Abstract: There are provided a DC/DC converter and a driving apparatus having the same. The DC/DC converter includes a DC/DC converter part converting an input power into a predetermined DC power by switching the input power to thereby supply the converted DC power to a light emitting device; and a control part controlling switching of the DC/DC converter part in accordance with a driving signal applied to the light emitting device to thereby control a voltage level of the DC power.
    Type: Application
    Filed: March 14, 2012
    Publication date: July 4, 2013
    Inventors: Sang Gab PARK, Nam Jin PARK, Heung Gyoon CHOI, Han Hee LEE, Hyo Joong AN, Kyu Min PARK, Su Hun JO
  • Electro-Optic Device and Method for Manufacturing Same
    Publication number: 20130168661
    Abstract: According to the present invention, an electro-optic device comprises: a substrate which is split into a light emitting unit and a non-light emitting unit, wherein said light emitting unit is divided into a plurality of driving regions; an electrode pad which is formed in the non-light emitting unit of the substrate; and an electrode unit which comprises a plurality of supplementary electrodes each of which has one end connected to the electrode pad and has the other end connected to the centers of each of the plurality of driving regions, and transparent electrodes formed on the upper sides of the plurality of supplementary electrodes in the light emitting unit, wherein the area of each of the plurality of driving regions is set to an area in which no voltage drop occurs, and the plurality of supplementary electrodes are manufactured in the same length.
    Type: Application
    Filed: June 15, 2011
    Publication date: July 4, 2013
    Inventors: Chon Kyu Min, Hyung Il Jeon
  • SYSTEM AND METHOD FOR MANAGING RESOURCES IN A COMMUNICATION SYSTEM
    Publication number: 20130165136
    Abstract: The present invention relates to a system and method for managing resources, which involve managing a plurality of frequency resources in a communication system including a plurality of systems not having rights to use a first frequency band.
    Type: Application
    Filed: September 9, 2011
    Publication date: June 27, 2013
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Kyu-Min Kang, Sang-In Cho, Hyunduk Kang, Heon-Jin Hong, Chang-Joo Kim
  • Apparatus for providing grayscale voltages and display device using the same
    Patent number: 8471796
    Abstract: An apparatus for providing grayscale voltages and a display device using the same are provided. The display device includes a grayscale voltage provider that provides grayscale voltages using a first reference voltage and a second reference voltage in accordance with a selection signal. A data driver applies data voltages to data lines using the grayscale voltages and an image signal. A gate driver successively provides a gate-on voltage to the gate lines. A display panel displays an image for each frame using the data voltages and the gate-on voltage.
    Type: Grant
    Filed: April 24, 2009
    Date of Patent: June 25, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Kyu-Min Kwon, Ho-Sup Choi, Sang-Youn Kim, Byoung-Haw Park, Cheal-Gi Kim, Heung-Sik Tae
  • Backlight unit driver
    Patent number: 8373354
    Abstract: There is provided a backlight unit driver capable of driving multi-channel lamps of a backlight unit, especially LED lamps, by supplying a driving power to the lamps using a single transformer and maintaining the current balance of the driving power supplied to each of the lamps.
    Type: Grant
    Filed: February 7, 2011
    Date of Patent: February 12, 2013
    Assignee: Samsung Electro-Mechanics, Co., Ltd.
    Inventors: Sang Kyoo Han, Sung Soo Hong, Chung Wook Roh, Sang Gab Park, Kyu Min Park, Young Seung Roh, Heung Gyoon Choi, Nam Jin Park
  • APPARATUS AND METHOD FOR EXECUTING SHORTCUT FUNCTION IN A PORTABLE TERMINAL
    Publication number: 20130019199
    Abstract: An apparatus and method for executing a shortcut function in a portable terminal are provided, in which a display is included, a memory stores at least one drag pattern, a hold screen shortcut list, and a volume control menu, and a controller displays a hold screen by executing a hold function, recognizes a drag pattern received from a user, compares the recognized drag pattern with the stored at least one drag pattern, and executes the hold screen shortcut function for executing the shortcut function during executing the hold function when the recognized drag pattern is identical to a first drag pattern among the stored at least one drag pattern.
    Type: Application
    Filed: July 10, 2012
    Publication date: January 17, 2013
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Myung-Geun KO, Tae-Youn KWON, Yi-Kyu MIN, Kyung-Goo LEE, Byoung-Il SON
  • Template derivative for forming ultra-low dielectric layer and method of forming ultra-low dielectric layer using the same
    Patent number: 8354350
    Abstract: A reactive cyclodextrin derivative or a reactive glucose derivative is used as a template derivative for forming an ultra-low dielectric layer. A layer is formed of the reactive cyclodextrin derivative or the reactive glucose derivative capped with Si—H and then cured in an atmosphere of hydrogen peroxide to form the ultra-low dielectric layer.
    Type: Grant
    Filed: May 18, 2012
    Date of Patent: January 15, 2013
    Assignee: Hynix Semiconductor Inc.
    Inventors: Sung Kyu Min, Ja Chun Ku, Sang Tae Ahn, Chai O Chung, Hyeon Ju An, Hyo Seok Lee, Eun Jeong Kim, Chan Bae Kim
  • FIR filter of DS-CDMA UWB modem transmitter and control method thereof
    Patent number: RE44413
    Abstract: An FIR filter of a DS-CDMA UWB modem transmitter and a control method thereof are disclosed. The FIR filter includes an LUT control device for outputting a resultant value of “0” to all adders if data values corresponding to upper three chips H2, M2 and L2 and lower three chips H, M and L are “000000”, and discriminating which group between a first group and a second group the upper/lower data values belong to if the upper/lower data values are not“000000”. The LUT control device provides upper or lower LUT values to the adders using the upper or lower LUT values as they are, or converts the upper or lower LUT values into 2's complements and provides the converted values to the adders according to the discriminated first or second group.
    Type: Grant
    Filed: October 14, 2010
    Date of Patent: August 6, 2013
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Kyu Min Kang, Bub Joo Kang, Sangsung Choi, Kwang Roh Park