Patents by Inventor Ha Sun SONG

Ha Sun SONG 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: 9823790
    Abstract: Provided are a touch sensing apparatus and a method of driving the same. The touch sensing apparatus includes a signal source configured to output a driving signal, a touch panel configured to be driven by the driving signal output by the signal source and output a current signal generated using the driving signal, a charge amplifier configured to convert the current signal output by the touch panel into a voltage signal, and a controller configured to control the charge amplifier to be periodically reset.
    Type: Grant
    Filed: October 2, 2014
    Date of Patent: November 21, 2017
    Assignee: ANAPASS INC.
    Inventors: Jong Hwa Lee, Woo Hyoung Seo, Ha Sun Song
  • Patent number: 9727170
    Abstract: Provided are a method of removing common noise and a method of detecting touch information. The method of removing common noise includes acquiring base lines, acquiring raw data, calculating touch strengths (TSs) using the base lines and the raw data, calculating a difference representative value between the TSs and a reference level, and removing influence of common noise from the TSs using the difference representative value.
    Type: Grant
    Filed: October 2, 2014
    Date of Patent: August 8, 2017
    Assignee: ANAPASS INC.
    Inventors: Jong Hwa Lee, Woo Hyoung Seo, Ha Sun Song
  • Patent number: 9274663
    Abstract: Disclosed are an apparatus for detecting touch and a method for detecting touch with reduced effect of noise. The apparatus includes a signal source configured to generate a variable frequency signal changed from a starting frequency to an ending frequency, a touch panel including a plurality of driving electrodes and a plurality of sensing electrodes, wherein the variable phase signal is applied to one of the plurality of driving electrodes, and the sensing electrode outputs a touch signal that is modulated by the variable frequency signal, a demodulation unit configured to demodulate the touch signal using the variable frequency signal, and an accumulation unit configured to accumulate the demodulated touch signal to detect the touch.
    Type: Grant
    Filed: April 23, 2014
    Date of Patent: March 1, 2016
    Assignee: ANAPASS INC.
    Inventors: Joon Bae Park, Jong Hwa Lee, Ha Sun Song, Woo Hyoung Seo
  • Patent number: 9182867
    Abstract: Provided are an apparatus and method for detecting an adjacent object, and a method of driving an electronic device. The apparatus includes a substrate, a plurality of first electrodes including a plurality of first electrodes disposed to extend in a first direction on one surface of the substrate, a plurality of second electrodes disposed alternately and in parallel with the first electrodes on the surface of the substrate to form capacitors together with the first electrodes, a signal source configured to generate electrical signals, a detector configured to detect current signals output when the electrical signals are applied to the capacitors, and a controller configured to connect the signal source to the first electrodes and the detector to the second electrodes.
    Type: Grant
    Filed: April 23, 2014
    Date of Patent: November 10, 2015
    Assignee: ANAPASS INC.
    Inventors: Jong Hwa Lee, Ha Sun Song, Woo Hyoung Seo
  • Publication number: 20150103042
    Abstract: Provided are a method of removing common noise and a method of detecting touch information. The method of removing common noise includes acquiring base lines, acquiring raw data, calculating touch strengths (TSs) using the base lines and the raw data, calculating a difference representative value between the TSs and a reference level, and removing influence of common noise from the TSs using the difference representative value.
    Type: Application
    Filed: October 2, 2014
    Publication date: April 16, 2015
    Inventors: Jong Hwa LEE, Woo Hyoung SEO, Ha Sun SONG
  • Publication number: 20150103041
    Abstract: Provided are a touch sensing apparatus and a method of driving the same. The touch sensing apparatus includes a signal source configured to output a driving signal, a touch panel configured to be driven by the driving signal output by the signal source and output a current signal generated using the driving signal, a charge amplifier configured to convert the current signal output by the touch panel into a voltage signal, and a controller configured to control the charge amplifier to be periodically reset.
    Type: Application
    Filed: October 2, 2014
    Publication date: April 16, 2015
    Inventors: Jong Hwa LEE, Woo Hyoung SEO, Ha Sun SONG
  • Publication number: 20140320451
    Abstract: Provided are an apparatus and method for detecting an adjacent object, and a method of driving an electronic device. The apparatus includes a substrate, a plurality of first electrodes including a plurality of first electrodes disposed to extend in a first direction on one surface of the substrate, a plurality of second electrodes disposed alternately and in parallel with the first electrodes on the surface of the substrate to form capacitors together with the first electrodes, a signal source configured to generate electrical signals, a detector configured to detect current signals output when the electrical signals are applied to the capacitors, and a controller configured to connect the signal source to the first electrodes and the detector to the second electrodes.
    Type: Application
    Filed: April 23, 2014
    Publication date: October 30, 2014
    Applicant: Anapass Inc.
    Inventors: Jong Hwa LEE, Ha Sun SONG, Woo Hyoung SEO
  • Publication number: 20140320450
    Abstract: A touch detecting apparatus includes a signal source configured to generate a variable phase signal including a reference phase signal and an out-of-phase signal that is out of phase with the reference phase signal, a touch panel including a plurality of driving electrodes and a plurality of sensing electrodes, wherein, if the variable phase signal is applied to one of the plurality of driving electrodes, the sensing electrode outputs a touch signal that is modulated using the variable phase signal, a signal conversion circuit unit configured to detect the touch signal modulated using the variable phase signal, and output the touch signal in the form of a voltage signal, a demodulation circuit unit configured to demodulate the signal output from the signal conversion circuit unit using the variable phase signal, and an accumulator configured to accumulatively output the signal output from the demodulation circuit unit.
    Type: Application
    Filed: April 23, 2014
    Publication date: October 30, 2014
    Applicant: Anapass Inc.
    Inventors: Jong Hwa LEE, Ha Sun Song, Woo Hyoung Seo
  • Publication number: 20140320449
    Abstract: Disclosed are an apparatus for detecting touch and a method for detecting touch with reduced effect of noise. The apparatus includes a signal source configured to generate a variable frequency signal changed from a starting frequency to an ending frequency, a touch panel including a plurality of driving electrodes and a plurality of sensing electrodes, wherein the variable phase signal is applied to one of the plurality of driving electrodes, and the sensing electrode outputs a touch signal that is modulated by the variable frequency signal, a demodulation unit configured to demodulate the touch signal using the variable frequency signal, and an accumulation unit configured to accumulate the demodulated touch signal to detect the touch.
    Type: Application
    Filed: April 23, 2014
    Publication date: October 30, 2014
    Applicant: Anapass Inc.
    Inventors: Joon Bae PARK, Jong Hwa LEE, Ha Sun SONG, Woo Hyoung SEO