Patents by Inventor Yong Il Kwon

Yong Il Kwon 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: 20130127773
    Abstract: There are provided a touch sensing apparatus and a touch sensing method. The touch sensing apparatus includes a driving circuit unit applying a driving signal to at least one of a plurality of first electrodes; a sensing circuit unit generating an analog signal by detecting variations in capacitance in second electrodes intersecting the at least one of first electrodes to which the driving signal is applied; and a signal converting unit converting the analog signal into a digital signal, wherein the driving circuit unit controls a frequency of the driving signal according to electric noise and determines a level of the driving signal according to a dynamic range of the signal converting unit.
    Type: Application
    Filed: January 27, 2012
    Publication date: May 23, 2013
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Yong Il KWON, Sang Ho Lee, Gyung Hee Hong, Tah Joon Park
  • Publication number: 20130113722
    Abstract: There are provided a touch sensing apparatus and an operating method thereof. The touch sensing apparatus includes: a panel unit including a plurality of first electrodes and a plurality of second electrodes, the first and second electrodes intersecting each other; a circuit unit applying first driving signals to the first electrodes and detecting sensed signals from the second electrodes; and a control unit controlling an operation of the circuit unit, wherein the control unit controls the circuit unit to simultaneously apply the first driving signals to the first electrodes during a first duration corresponding to a sleep mode and detect first sensed signals from the second electrodes, and determines whether a valid touch has occurred during the first duration to determine whether to cancel the sleep mode.
    Type: Application
    Filed: January 10, 2012
    Publication date: May 9, 2013
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Sang Ho LEE, Tah Joon PARK, Yong Il KWON, Gyung Hee HONG
  • Publication number: 20130113721
    Abstract: There are provided a touch sensing method and a touch sensing apparatus that can minimize the influence of noise due to a driving signal of a display apparatus. The touch sensing method includes generating an analog signal by sensing variations in capacitance generated from a plurality of electrodes; measuring a first time required for a level of the analog signal to reach a first reference value; determining whether the first time is included in a noise generation period of a driving signal of a display apparatus; and measuring a second time required for a level of the analog signal to reach a second reference value when the first time is included in the noise generation period.
    Type: Application
    Filed: January 10, 2012
    Publication date: May 9, 2013
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Hyun Suk Lee, Yong Il Kwon, Tah Joon Park
  • Publication number: 20130106768
    Abstract: There are provided a touch sensing apparatus and method. The touch sensing apparatus includes: a plurality of first electrodes; a plurality of second electrodes; and a controlling unit, wherein the controlling unit applies a first driving signal to at least one of the plurality of first electrodes, sequentially obtains sensed signals from the plurality of second electrodes intersecting with the at least one first electrode to which the first driving signal is applied, and applies a second driving signal having the same potential as that of the first driving signal to other second electrodes adjacent to the second electrode from which the controlling unit obtains the sensed signal while the controlling unit obtains the sensed signal from any one of the plurality of second electrodes.
    Type: Application
    Filed: January 9, 2012
    Publication date: May 2, 2013
    Applicant: Samsung Electro-Mechanics, Co., Ltd.
    Inventors: Gyung Hee HONG, Sang Ho Lee, Yong Il Kwon, Tah Joon Park
  • Publication number: 20130100069
    Abstract: There are provided a touch sensing device and a method thereof. The touch sensing device, including: a plurality of sensing circuit units measuring capacitance variations from a plurality of sensing electrodes; at least one TDC circuit connected with the plurality of sensing circuit units to convert the capacitance variations into digital signals; a calculating unit judging a touch from the digital signals; and a delay circuit sequentially receiving the capacitance variations from the plurality of sensing circuit units.
    Type: Application
    Filed: December 22, 2011
    Publication date: April 25, 2013
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Yong Il Kwon, Hyun Suk Lee, Tah Joon Park
  • Publication number: 20130100068
    Abstract: There are provided a touch input sensing device and a method thereof. The touch input sensing device includes a panel integrally provided with a display device and including a plurality of sensing electrodes; a sensing circuit unit generating an analog signal from capacitance variations generated in the plurality of sensing electrodes; a signal converting unit generating a digital signal from the analog signal; and a calculating unit judging a touch input from the digital signal, wherein the signal converting unit generates the digital signal by measuring a time required for the analog signal to reach a predetermined reference signal level and controls a time at which the sensing circuit unit generates the analog signal by judging whether the measured time is included in an activation time period of a clock signal of the display device.
    Type: Application
    Filed: December 22, 2011
    Publication date: April 25, 2013
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Yong Il KWON, Tah Joon Park, Hyun Suk Lee
  • Patent number: 8427397
    Abstract: The present disclosure relates to a light emitting diode display device which can prevent a drive switching device from degrading.
    Type: Grant
    Filed: July 7, 2009
    Date of Patent: April 23, 2013
    Assignee: LG Display Co., Ltd.
    Inventors: Yong-Il Kwon, Kyoung-Don Woo, Jae-Do Lee
  • Publication number: 20130063390
    Abstract: There are a touch input sensing device and a touch input sensing method. The touch input sensing device includes: a plurality of sensing electrodes; and a controller obtaining sensing signals generated from the plurality of sensing electrodes through a plurality of sensing channels electrically connected to the plurality of sensing electrodes, wherein the controller calculates a difference value between the sensing signals obtained from the plurality of sensing channels connected to the mutually adjacent sensing electrodes among the plurality of sensing electrodes to determine a touch input. A weighting value is assigned to a difference value between sensing signals obtained from mutually adjacent sensing electrodes, based on which the coordinates, or the like, of a touch input are determined, thus significantly reducing the influence of noise and accurately determining a touch input.
    Type: Application
    Filed: December 21, 2011
    Publication date: March 14, 2013
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Yong Il Kwon, Sang Ho Lee, Gyung Hee Hong, Tah Joon Park
  • Patent number: 8374565
    Abstract: An antenna diversity receiver includes a plurality of antennas, an antenna selector unit, an RF module unit, a logic gate unit, a power detector unit, and a selection controller unit. The antenna selector unit selects one of the antennas. The RF module unit converts an RF RX signal received from the antenna selector unit into a baseband RX signal. The logic gate unit controls a power detection mode for detecting the power levels of RX signals and an operation mode for selecting one of the antennas. The power detector unit detects the power level of the RX signal. The selection controller unit controls the antenna selector unit to sequentially select the antennas in the power detection mode, and controls the antenna selector unit to select the antenna with a relatively good RX sensitivity among the antennas.
    Type: Grant
    Filed: August 8, 2008
    Date of Patent: February 12, 2013
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Yong Il Kwon, Myeung Su Kim, Tah Joon Park
  • Publication number: 20120324490
    Abstract: An apparatus and a method for providing an adaptive multimedia service in a mobile communication system are provided. The method of providing a multimedia service includes collecting user-preference-aware information, device-capability-aware information, and network-aware information, generating a packet according to a correlation among the user-preference-aware information, the device-capability-aware information, and the network-aware information, and providing a multimedia service according to the generated packet.
    Type: Application
    Filed: June 13, 2012
    Publication date: December 20, 2012
    Applicants: UNIVERSITY-INDUSTRY COOPERATION GROUP OF KYUNG HEE UNIVERSITY, SAMSUNG ELECTRONICS CO. LTD.
    Inventors: Sung-Oh HWANG, Doug-Young SUH, Kyung-Mo PARK, Yong-Hun LEE, Jun-Oh KIM, Jae-Yeon SONG, Yong-Il KWON
  • Publication number: 20120268197
    Abstract: Disclosed herein is a pad controlling apparatus controlling current and voltage applied to a pad, the pad controlling apparatus including: a voltage drop unit dropping the voltage applied to the pad; a switching unit connected in parallel with the voltage drop unit; and a control unit comparing a level of the dropped voltage and first reference voltage with each other and turning on the switching unit on when the level of the dropped voltage is larger than the first reference voltage. According to the present invention, even though interrupt occurs from the outside, a chip may be normally operated.
    Type: Application
    Filed: April 5, 2012
    Publication date: October 25, 2012
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Yong Il Kwon, Han Jin Cho, Tah Joon Park, Koon Shik Cho
  • Publication number: 20120235801
    Abstract: A wireless apparatus having a non-electric power-type wake-up function that operates a wake-up circuit waking-up a microprocessor for communications without power. There is provided a wireless apparatus having a wake-up function, including: a wake-up unit that has a rectifying circuit having elements configured as passive elements and rectifies preset first wireless signals to transmit wake-up signals; and a wireless communications unit that is woken-up by the wake-up signals from the wake-up unit to perform communications using preset second wireless signals, in a sleep mode.
    Type: Application
    Filed: July 13, 2011
    Publication date: September 20, 2012
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Han Jin Cho, Joon Hyung Lim, Gyung Hee Hong, Yong Il Kwon, Tah Joon Park, Myeung Su Kim
  • Publication number: 20120169305
    Abstract: Disclosed herein is a multi-voltage regulator. The multi-voltage regulator includes an error amplifier amplifying a difference voltage between a predetermined reference voltage and a received feedback voltage; a first voltage adjusting part connected to an output terminal of the error amplifier, the first voltage adjusting part regulating a level of a voltage at a power input terminal to output the regulated voltage to a first output terminal; a second voltage adjusting part connected to the output terminal of the error amplifier, the second voltage adjusting part regulating the level of the voltage at the power input terminal to output the regulated voltage to a second output terminal; and a voltage detector detecting a voltage according to a voltage at the first output terminal and a voltage at the second output terminal to supply the detected voltage as the feedback voltage.
    Type: Application
    Filed: December 19, 2011
    Publication date: July 5, 2012
    Inventors: Yong Il KWON, Tah Joon Park, Koon Shik Cho
  • Publication number: 20120160693
    Abstract: An apparatus for manufacturing bichromal balls including first and second supply containers; a pair of microchannels for moving the first and second liquids; a pair of nozzles at which the microchannels contact each other; and an actuator, and a method for manufacturing bichromal balls using the same.
    Type: Application
    Filed: December 13, 2011
    Publication date: June 28, 2012
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Yong-Il KWON, Hwansoo Lee, Subong Jang, Seungjoo Shin, Younghoon Kwak
  • Patent number: 8188801
    Abstract: Disclosed herein is a delay circuit for a low power ring oscillator. The delay circuit includes: a pair of N type transistors that receive first differential input signals Vin1+ and Vin1?; a pair of P type transistors that receive second differential input signals Vin2+ and Vin2?; a differential output terminal that outputs differential output signals Vout+ and Vout? generated from the pair of N type transistors and the pair of P type transistors; an N type detector that supplies a body voltage to the pair of N type transistors; and a P type detector that supplies a body voltage to the pair of P type transistors.
    Type: Grant
    Filed: September 9, 2010
    Date of Patent: May 29, 2012
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Myeung Su Kim, Han Jin Cho, Joon Hyung Lim, Kyung Hee Hong, Yong Il Kwon
  • Patent number: 8184565
    Abstract: Disclosed is a wireless communication apparatus having a self sensing function, which can detect an object by use of a wake-up function without employing a separate sensor. The wireless communication apparatus includes a communication unit wirelessly communicating with a server forming a wireless network, and a wake-up unit waking up the communication unit under the control of the server when the communication unit is in sleep mode, and sensing the presence of an object within a preset communication range according to a reflection signal, which is a signal reflected by the object after being transmitted from the communication unit.
    Type: Grant
    Filed: April 27, 2009
    Date of Patent: May 22, 2012
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Joon Hyung Lim, Tah Joon Park, Han Jin Cho, Myeung Su Kim, Sang Hoon Hwang, Kyung Hee Hong, Yong Il Kwon
  • Publication number: 20120111029
    Abstract: Disclosed herein is an AC powered thermoelectric device, including: a power supplier outputting AC power; a plurality of thermoelectric modules; and a plurality of rectifiers connected to each of the plurality of thermoelectric modules in series and applying the AC power having different polarities to each of the plurality of thermoelectric modules, whereby the positions of the hot side and the cold side are fixed to function as a heater and a cooler, while using the AC power.
    Type: Application
    Filed: March 24, 2011
    Publication date: May 10, 2012
    Inventors: Yong-Il KWON, Su Bong Jang
  • Patent number: 8164489
    Abstract: In a key scanning circuit, a key input unit has a parallel connection of a plurality of circuits having a series connection of resistors and switches between a power supply input terminal and a key scanning terminal. The resistors connected in parallel have different resistances. A current mirror has a first terminal connected to the key scanning terminal. A reference current source is connected between a second terminal of the current mirror and the power supply input terminal.
    Type: Grant
    Filed: April 13, 2009
    Date of Patent: April 24, 2012
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Yong Il Kwon, Kyung Hee Hong, Sang Hoon Hwang, Tah Joon Park
  • Patent number: 8095812
    Abstract: Provided is a low-power ZigBee device provided with a sleeping mode and an active mode including a power supplying unit for supplying a power; a Medium Access Control (MAC) processing unit for receiving a wake-up packet and for controlling a modem unit and an Radio Frequency (RF) unit; and a Central Processing Unit (CPU) for receiving and processing a data packet, wherein the MAC processing unit makes the power supplying unit apply a power to the CPU based on a result of checking an identification (ID) of the wake-up packet.
    Type: Grant
    Filed: December 31, 2008
    Date of Patent: January 10, 2012
    Assignee: Samsung Electro-Mechnics Co., Ltd.
    Inventors: Koon Shik Cho, Tah Joon Park, Yong Il Kwon, Sang Hyun Min, Bo Il Seo
  • Patent number: 8095100
    Abstract: There is provided a receiver with a sigma-delta structure, the receiver including: a low noise amplifier amplifying a received signal according to a detection signal; a mixer converting an RF signal of the low noise amplifier into an IF signal; a sigma-delta A/D converter converting the IF signal from the mixer 200 into a digital signal; a 1 bit detector determining whether a voltage of the output signal of the mixer is greater than that of a predetermined reference voltage and outputting the detection signal including a result of the determination; and a demodulator obtaining an FFT result with respect to the signal from the sigma-delta A/D converter and adding or subtracting a predetermined gain value to or from the FFT result to calculate received signal strength indication (RSSI).
    Type: Grant
    Filed: June 11, 2008
    Date of Patent: January 10, 2012
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Yong Il Kwon, Sang Hyun Min, Tah Joon Park