Patents by Inventor Toshiaki ATSUTA

Toshiaki ATSUTA 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: 9874971
    Abstract: A display device is configured in a display state to allow the common electrode to function as an electrode for display and a scanning electrode for a touch panel, to which a common voltage and a first scanning pulse voltage are supplied, and to allow a detection circuit to detect a touched position based on the voltage detected by the first and the second detection electrodes. In a display stop state, the first detection electrode is configured to function as a temporary scanning electrode, and the detection circuit is configured to supply a second scanning pulse voltage to the first detection electrode so as to detect existence of a swipe based on the voltage detected by the second detection electrode.
    Type: Grant
    Filed: July 10, 2017
    Date of Patent: January 23, 2018
    Assignee: Japan Display Inc.
    Inventors: Masahiro Tokita, Toshiaki Atsuta
  • Publication number: 20170308231
    Abstract: A display device is configured in a display state to allow the common electrode to function as an electrode for display and a scanning electrode for a touch panel, to which a common voltage and a first scanning pulse voltage are supplied, and to allow a detection circuit to detect a touched position based on the voltage detected by the first and the second detection electrodes. In a display stop state, the first detection electrode is configured to function as a temporary scanning electrode, and the detection circuit is configured to supply a second scanning pulse voltage to the first detection electrode so as to detect existence of a swipe based on the voltage detected by the second detection electrode.
    Type: Application
    Filed: July 10, 2017
    Publication date: October 26, 2017
    Inventors: Masahiro TOKITA, Toshiaki ATSUTA
  • Patent number: 9740329
    Abstract: A display device is configured in a display state to allow the common electrode to function as an electrode for display and a scanning electrode for a touch panel, to which a common voltage and a first scanning pulse voltage are supplied, and to allow a detection circuit to detect a touched position based on the voltage detected by the first and the second detection electrodes. In a display stop state, the first detection electrode is configured to function as a temporary scanning electrode, and the detection circuit is configured to supply a second scanning pulse voltage to the first detection electrode so as to detect existence of a swipe based on the voltage detected by the second detection electrode.
    Type: Grant
    Filed: August 5, 2016
    Date of Patent: August 22, 2017
    Assignee: Japan Display Inc.
    Inventors: Masahiro Tokita, Toshiaki Atsuta
  • Publication number: 20160342268
    Abstract: A display device is configured in a display state to allow the common electrode to function as an electrode for display and a scanning electrode for a touch panel, to which a common voltage and a first scanning pulse voltage are supplied, and to allow a detection circuit to detect a touched position based on the voltage detected by the first and the second detection electrodes. In a display stop state, the first detection electrode is configured to function as a temporary scanning electrode, and the detection circuit is configured to supply a second scanning pulse voltage to the first detection electrode so as to detect existence of a swipe based on the voltage detected by the second detection electrode.
    Type: Application
    Filed: August 5, 2016
    Publication date: November 24, 2016
    Inventors: Masahiro TOKITA, Toshiaki ATSUTA
  • Patent number: 9436314
    Abstract: A display device is configured in a display state to allow the common electrode to function as an electrode for display and a scanning electrode for a touch panel, to which a common voltage and a first scanning pulse voltage are supplied, and to allow a detection circuit to detect a touched position based on the voltage detected by the first and the second detection electrodes. In a display stop state, the first detection electrode is configured to function as a temporary scanning electrode, and the detection circuit is configured to supply a second scanning pulse voltage to the first detection electrode so as to detect existence of a swipe based on the voltage detected by the second detection electrode.
    Type: Grant
    Filed: March 15, 2016
    Date of Patent: September 6, 2016
    Assignee: Japan Display Inc.
    Inventors: Masahiro Tokita, Toshiaki Atsuta
  • Publication number: 20160195996
    Abstract: A display device is configured in a display state to allow the common electrode to function as an electrode for display and a scanning electrode for a touch panel, to which a common voltage and a first scanning pulse voltage are supplied, and to allow a detection circuit to detect a touched position based on the voltage detected by the first and the second detection electrodes. In a display stop state, the first detection electrode is configured to function as a temporary scanning electrode, and the detection circuit is configured to supply a second scanning pulse voltage to the first detection electrode so as to detect existence of a swipe based on the voltage detected by the second detection electrode.
    Type: Application
    Filed: March 15, 2016
    Publication date: July 7, 2016
    Inventors: Masahiro TOKITA, Toshiaki ATSUTA
  • Patent number: 9317169
    Abstract: A display device is configured in a display state to allow the common electrode to function as an electrode for display and a scanning electrode for a touch panel, to which a common voltage and a first scanning pulse voltage are supplied, and to allow a detection circuit to detect a touched position based on the voltage detected by the first and the second detection electrodes. In a display stop state, the first detection electrode is configured to function as a temporary scanning electrode, and the detection circuit is configured to supply a second scanning pulse voltage to the first detection electrode so as to detect existence of a swipe based on the voltage detected by the second detection electrode.
    Type: Grant
    Filed: December 9, 2014
    Date of Patent: April 19, 2016
    Assignee: Japan Display Inc.
    Inventors: Masahiro Tokita, Toshiaki Atsuta
  • Publication number: 20150161954
    Abstract: A display device is configured in a display state to allow the common electrode to function as an electrode for display and a scanning electrode for a touch panel, to which a common voltage and a first scanning pulse voltage are supplied, and to allow a detection circuit to detect a touched position based on the voltage detected by the first and the second detection electrodes. In a display stop state, the first detection electrode is configured to function as a temporary scanning electrode, and the detection circuit is configured to supply a second scanning pulse voltage to the first detection electrode so as to detect existence of a swipe based on the voltage detected by the second detection electrode.
    Type: Application
    Filed: December 9, 2014
    Publication date: June 11, 2015
    Inventors: Masahiro TOKITA, Toshiaki ATSUTA
  • Patent number: 8922522
    Abstract: Provided is a display device equipped with a touch panel, including a front panel arranged above a capacitive touch panel at a predetermined distance away therefrom, in which the touch panel includes a plurality of X electrodes and a plurality of Y electrodes, and the X electrodes are sequentially applied with pulse signals and the Y electrodes receive the pulse signals. When an arbitrary point on the front panel is touched, the touch panel computes a touched point on the touch panel by using both the received pulse signals obtained from the Y electrodes in a case where the front panel is not deformed and the received pulse signals obtained from the Y electrodes in a case where the front panel is deformed. With this, an erroneous operation in which a measurement value is lowered to finally disappear is prevented.
    Type: Grant
    Filed: September 22, 2011
    Date of Patent: December 30, 2014
    Assignees: Japan Display Inc., Panasonic Liquid Crystal Display Co., Ltd.
    Inventors: Toshiaki Atsuta, Koji Nagata, Koji Doi
  • Patent number: 8847914
    Abstract: A static capacitance type touch panel, a control unit electrically connected with X and Y electrodes for detecting a touch position based on a measured value of a static capacitance between the X and Y electrodes. The control unit includes a predetermined touch threshold for detecting a peak, a near-peak range and a non-near-peak range, a first parameter for determining a value of the near peak range, and a second parameter for determining a value of the non-near-peak range. The first and second parameters are respectively predetermined for reduction of a noise influence from the measured value of the static capacitance between the X electrode and the Y electrode.
    Type: Grant
    Filed: September 13, 2013
    Date of Patent: September 30, 2014
    Assignees: Japan Display Inc., Panasonic Liquid Crystal Display Co. Ltd.
    Inventors: Koji Doi, Norio Mamba, Koji Nagata, Toshiyuki Kumagai, Koji Hayakawa, Toshiaki Atsuta
  • Patent number: 8542213
    Abstract: In a touched position detection method for a touch panel for detecting a touched position, based on measured values by a plurality of sensors, presence of a touch is determined when a measured value by a sensor exceeds a touch threshold. As a touch threshold, a value which cannot be attained due to a mere noise but can due to presence of a touch is set. With respect to sensors located in the vicinity of a sensor showing a high measured value, a higher weighted value is applied to modify a measured value in a touched position calculation process than that to be applied to other sensors.
    Type: Grant
    Filed: July 2, 2009
    Date of Patent: September 24, 2013
    Assignees: Hitachi Displays, Ltd., Panasonic Liquid Crystal Display Co., Ltd.
    Inventors: Koji Doi, Norio Mamba, Koji Nagata, Toshiyuki Kumagai, Koji Hayakawa, Toshiaki Atsuta
  • Publication number: 20120081332
    Abstract: Provided is a display device equipped with a touch panel, including a front panel arranged above a capacitive touch panel at a predetermined distance away therefrom, in which the touch panel includes a plurality of X electrodes and a plurality of Y electrodes, and the X electrodes are sequentially applied with pulse signals and the Y electrodes receive the pulse signals. When an arbitrary point on the front panel is touched, the touch panel computes a touched point on the touch panel by using both the received pulse signals obtained from the Y electrodes in a case where the front panel is not deformed and the received pulse signals obtained from the Y electrodes in a case where the front panel is deformed. With this, an erroneous operation in which a measurement value is lowered to finally disappear is prevented.
    Type: Application
    Filed: September 22, 2011
    Publication date: April 5, 2012
    Inventors: Toshiaki Atsuta, Koji Nagata, Koji Doi
  • Publication number: 20100060609
    Abstract: In a touched position detection method for a touch panel for detecting a touched position, based on measured values by a plurality of sensors, presence of a touch is determined when a measured value by a sensor exceeds a touch threshold. As a touch threshold, a value which cannot be attained due to a mere noise but can due to presence of a touch is set. With respect to sensors located in the vicinity of a sensor showing a high measured value, a higher weighted value is applied to modify a measured value in a touched position calculation process than that to be applied to other sensors.
    Type: Application
    Filed: July 2, 2009
    Publication date: March 11, 2010
    Inventors: Koji DOI, Norio MAMBA, Koji NAGATA, Toshiyuki KUMAGAI, Koji HAYAKAWA, Toshiaki ATSUTA