Patents by Inventor Hiroshi Haga
Hiroshi Haga 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).
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Patent number: 11353961Abstract: A tactile presentation device comprising: a contact face; a plurality of electrodes arranged along the contact face; a first control unit controlling operations of the electrodes for detecting contact or approach of an object toward the contact face; a second control unit controlling operations of the electrodes for presenting a tactile sense to the contact face; and a third control unit causing a part of the plurality of the electrodes to be controlled by the first control unit, sequentially changing the electrode to be controlled by the first control unit to another electrode among the plurality of the electrodes, and causing electrodes other than the electrode that is controlled by the first control unit to be controlled by the second control unit.Type: GrantFiled: December 23, 2020Date of Patent: June 7, 2022Assignee: TIANMA MICROELECTRONICS CO., LTD.Inventors: Hiroshi Haga, Daisuke Sugimoto
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Patent number: 11347315Abstract: An electronic device having a display screen that displays a user interface including at least one object, comprising a display mechanism that displays the user interface; a coordinate detection mechanism that detects coordinates of a user touch point on the display screen; a first feedback presentation mechanism that presents tactile feedback at a prescribed point to make the user perceive the presence of an object; a measurement mechanism that measures a force generated by the user pressing the display screen; and a second feedback presentation mechanism that detects an operation trigger based on the force and generates mechanical vibration.Type: GrantFiled: March 17, 2021Date of Patent: May 31, 2022Assignees: TIANMA JAPAN, LTD., Wuhan Tianma Micro-Electronics Co., Ltd.Inventors: Yiping Yang, Hiroshi Haga, Harue Sasaki, Daisuke Sugimoto, Takuya Asai, Koji Shigemura
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Patent number: 11334167Abstract: A tactile presentation device includes a touch surface fixed in orientation, an actuator configured to vibrate the touch surface along one axis within the plane of the touch surface, and a controller configured to control vibration of the actuator along the one axis to present tactile stimulus to a finger in contact with the touch surface. The controller is configured to control the actuator in such a manner that direction to start vibration for presenting tactile stimulus to the finger is within a range from minus 43° to plus 43° with respect to a direction of gravity projected on the touch surface or the opposite direction thereof.Type: GrantFiled: December 30, 2020Date of Patent: May 17, 2022Assignees: Wuhan Tianma Micro-Electronics Co., Ltd., TIANMA JAPAN, LTD.Inventors: Harue Sasaki, Hiroshi Haga, Koji Shigemura, Hirotsugu Yamamoto
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Publication number: 20220129112Abstract: An electronic apparatus includes an electrode substrate that has a transparent first electrode and a transparent second electrode that are provided on one surface of a transparent insulating substrate, and an insulating film that electrically insulates the first electrode from the second electrode, the electrode substrate being configured so as to cover a surface of a display medium where an image is displayed; and a driver circuit that is connected to the electrode substrate and generates an electric field between the first electrode and the second electrode by applying a voltage to the first electrode and the second electrode.Type: ApplicationFiled: October 25, 2021Publication date: April 28, 2022Inventors: Tetsushi SATO, Hiroshi HAGA, Daisuke SUGIMOTO
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Patent number: 11275440Abstract: The electronic apparatus is provided with: a visual sense display unit which displays an operation screen; a touch coordinate detection unit which detects an operation content done on displayed objects; and a tactual sense presenting unit which presents a tactual sense. The electronic apparatus includes: a tactual sense presentation control module which presents a tactual sense corresponding to the displayed objects on the operation screen via the tactual sense presenting unit; an operation content acquiring module which detects whether or not a temporal change in the touch position detected on the displayed object by the touch coordinate detection unit is equal to or less than a preset threshold value and that state continues for a preset time or longer; and a sense stimulus information output control module which outputs to outside sense stimulus information corresponding to the displayed object when that state continues for the prescribed time or longer.Type: GrantFiled: November 5, 2015Date of Patent: March 15, 2022Assignee: TIANMA MICROELECTRONICS CO., LTD.Inventors: Hiroshi Haga, Yuji Yamaguchi
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Patent number: 11169643Abstract: A touch panel device includes a touch panel and a controller for the touch panel. The touch panel includes a support substrate, a plurality of X electrodes disposed on the support substrate, a plurality of Y electrodes disposed on the support substrate in such a manner that each of the plurality of Y electrodes intersects the plurality of X electrodes and is isolated from the plurality of X electrodes, and an insulating layer covering the plurality of X electrodes and the plurality of Y electrodes. A mutual capacitance generated between an X electrode and a Y electrode decreases when a surface of the second insulating layer is touched by a pointer.Type: GrantFiled: September 9, 2020Date of Patent: November 9, 2021Assignees: XIAMEN TIANMA MICRO ELECTRONICS CO., LTD., TIANMA JAPAN, LTD.Inventors: Hiroshi Haga, Daisuke Sugimoto
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Patent number: 11086437Abstract: A capacitance detection circuit includes an excitation signal source configured to supply an AC driving voltage to drive the detection electrode, a high-pass filter configured to cause a current signal input from the detecting electrode to be output after being attenuated in a prescribed frequency region that is lower than a frequency of the excitation signal source, and a current signal measurement circuit connected between the high-pass filter and the excitation signal source. The current signal measurement circuit is configured to measure a current signal from the high-pass filter. The high-pass filter includes a first passive circuit element connected in series between the detection electrode and the current signal measurement circuit, and a second passive circuit element connected in series between the excitation signal source and a node between the detection electrode and the first passive circuit element.Type: GrantFiled: January 11, 2019Date of Patent: August 10, 2021Assignees: Wuhan Tianma Micro-Electronics Co., Ltd., Tianma Japan, Ltd.Inventors: Daisuke Sugimoto, Hiroshi Haga
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Publication number: 20210202556Abstract: A light ray direction control element includes a base, a plurality of light transmitting layers arranged on a main surface of the base, a light absorbing layer disposed among the plurality of light transmitting layers, and a tilt prevention layer provided on the main surface of the base and disposed on an outer periphery of a region in which the plurality of light transmitting layers is disposed.Type: ApplicationFiled: December 18, 2020Publication date: July 1, 2021Applicants: TIANMA JAPAN, LTD., Wuhan Tianma Micro-Electronics Co., Ltd.Inventors: Kunihiro SHIOTA, Ken Sumiyoshi, Hiroshi Haga
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Publication number: 20210200319Abstract: An electronic device having a display screen that displays a user interface including at least one object, comprising: a display mechanism that displays the user interface; a coordinate detection mechanism that detects coordinates of a user touch point on the display screen; a first feedback presentation mechanism that presents tactile feedback at a prescribed point to make the user perceive the presence of an object; a measurement mechanism that measures a force generated by the user pressing the display screen; and a second feedback presentation mechanism that detects an operation trigger based on the force and generates mechanical vibration.Type: ApplicationFiled: March 17, 2021Publication date: July 1, 2021Applicants: TIANMA JAPAN, LTD., Wuhan Tianma Micro-Electronics Co., Ltd.Inventors: Yiping YANG, Hiroshi HAGA, Harue SASAKI, Daisuke SUGIMOTO, Takuya ASAI, Koji SHIGEMURA
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Publication number: 20210200320Abstract: An electronic device having a display screen that displays a user interface including at least one object, comprising a display mechanism that displays the user interface; a coordinate detection mechanism that detects coordinates of a user touch point on the display screen; a first feedback presentation mechanism that presents tactile feedback at a prescribed point to make the user perceive the presence of an object; a measurement mechanism that measures a force generated by the user pressing the display screen; and a second feedback presentation mechanism that detects an operation trigger based on the force and generates mechanical vibration.Type: ApplicationFiled: March 17, 2021Publication date: July 1, 2021Applicants: TIANMA JAPAN, LTD., Wuhan Tianma Micro-Electronics Co., Ltd.Inventors: Yiping YANG, Hiroshi HAGA, Harue SASAKI, Daisuke SUGIMOTO, Takuya ASAI, Koji SHIGEMURA
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Publication number: 20210117004Abstract: A tactile presentation device includes a touch surface fixed in orientation, an actuator configured to vibrate the touch surface along one axis within the plane of the touch surface, and a controller configured to control vibration of the actuator along the one axis to present tactile stimulus to a finger in contact with the touch surface. The controller is configured to control the actuator in such a manner that direction to start vibration for presenting tactile stimulus to the finger is within a range from minus 43° to plus 43° with respect to a direction of gravity projected on the touch surface or the opposite direction thereof.Type: ApplicationFiled: December 30, 2020Publication date: April 22, 2021Applicants: Wuhan Tianma Micro-Electronics Co., Ltd., TIANMA JAPAN, LTD.Inventors: Harue Sasaki, Hiroshi Haga, Koji Shigemura, Hirotsugu Yamamoto
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Publication number: 20210117006Abstract: A tactile presentation device comprising: a contact face; a plurality of electrodes arranged along the contact face; a first control unit controlling operations of the electrodes for detecting contact or approach of an object toward the contact face; a second control unit controlling operations of the electrodes for presenting a tactile sense to the contact face; and a third control unit causing a part of the plurality of the electrodes to be controlled by the first control unit, sequentially changing the electrode to be controlled by the first control unit to another electrode among the plurality of the electrodes, and causing electrodes other than the electrode that is controlled by the first control unit to be controlled by the second control unit.Type: ApplicationFiled: December 23, 2020Publication date: April 22, 2021Inventors: Hiroshi HAGA, Daisuke SUGIMOTO
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Patent number: 10976823Abstract: An electronic device having a display screen that displays a user interface including at least one object, comprising: a display mechanism that displays the user interface; a coordinate detection mechanism that detects coordinates of a user touch point on the display screen; a first feedback presentation mechanism that presents tactile feedback at a prescribed point to make the user perceive the presence of an object; a measurement mechanism that measures a force generated by the user pressing the display screen; and a second feedback presentation mechanism that detects an operation trigger based on the force and generates mechanical vibration.Type: GrantFiled: April 25, 2019Date of Patent: April 13, 2021Assignees: TIANMA JAPAN, LTD., Wuhan Tianma Micro-Electronics Co., Ltd.Inventors: Yiping Yang, Hiroshi Haga, Harue Sasaki, Daisuke Sugimoto, Takuya Asai, Koji Shigemura
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Patent number: 10908693Abstract: A tactile presentation device includes a touch surface fixed in orientation, an actuator configured to vibrate the touch surface along one axis within the plane of the touch surface, and a controller configured to control vibration of the actuator along the one axis to present tactile stimulus to a finger in contact with the touch surface. The controller is configured to control the actuator in such a manner that direction to start vibration for presenting tactile stimulus to the finger is within a range from minus 43° to plus 43° with respect to a direction of gravity projected on the touch surface or the opposite direction thereof.Type: GrantFiled: February 20, 2020Date of Patent: February 2, 2021Assignees: Wuhan Tianma Micro-Electronics Co., Ltd., TIANMA JAPAN, LTD.Inventors: Harue Sasaki, Hiroshi Haga, Koji Shigemura, Hirotsugu Yamamoto
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Patent number: 10908688Abstract: A tactile presentation device comprising: a contact face; a plurality of electrodes arranged along the contact face; a first control unit controlling operations of the electrodes for detecting contact or approach of an object toward the contact face; a second control unit controlling operations of the electrodes for presenting a tactile sense to the contact face; and a third control unit causing a part of the plurality of the electrodes to be controlled by the first control unit, sequentially changing the electrode to be controlled by the first control unit to another electrode among the plurality of the electrodes, and causing electrodes other than the electrode that is controlled by the first control unit to be controlled by the second control unit.Type: GrantFiled: October 20, 2017Date of Patent: February 2, 2021Assignee: TIANMA MICROELECTRONICS CO., LTD.Inventors: Hiroshi Haga, Daisuke Sugimoto
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Publication number: 20200409493Abstract: A touch panel device includes a touch panel and a controller for the touch panel. The touch panel includes a support substrate, a plurality of X electrodes disposed on the support substrate, a plurality of Y electrodes disposed on the support substrate in such a manner that each of the plurality of Y electrodes intersects the plurality of X electrodes and is isolated from the plurality of X electrodes, and an insulating layer covering the plurality of X electrodes and the plurality of Y electrodes. A mutual capacitance generated between an X electrode and a Y electrode decreases when a surface of the second insulating layer is touched by a pointer.Type: ApplicationFiled: September 9, 2020Publication date: December 31, 2020Applicants: XIAMEN TIANMA MICRO-ELECTRONICS CO., LTD., TIANMA JAPAN, LTD.Inventors: Hiroshi HAGA, Daisuke SUGIMOTO
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Patent number: 10840905Abstract: A tactile presentation device includes a panel having a tactile presentation region including a plurality of electrodes, and a controller configured to control the panel. The controller is configured to supply a first sinusoidal signal and a second sinusoidal signal simultaneously to a first region in the tactile presentation region. The first sinusoidal signal and the second sinusoidal signal are supplied to different electrodes in the first region. The first sinusoidal signal and the second sinusoidal signal have the same frequency and different phases. The controller is configured to supply a reference signal having an amplitude smaller than the first sinusoidal signal and the second sinusoidal signal to a peripheral region surrounding the first region.Type: GrantFiled: September 4, 2019Date of Patent: November 17, 2020Assignees: TIANMA JAPAN, LTD., Wuhan Tianma Micro-Electronics Co., Ltd.Inventors: Takuya Asai, Hiroshi Haga
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Patent number: 10802655Abstract: A touch panel includes X electrodes and Y electrodes disposed on a support substrate in such a manner that each of the Y electrodes intersects the X electrodes, X floating electrodes laminated on a first insulating layer at places opposed to the X electrodes, Y floating electrodes laminated on the first insulating layer at places opposed to the Y electrodes, and a second insulating layer covering the X floating electrodes and the Y floating electrodes. The area of X electrodes is smaller than the area of X floating electrodes and the area of Y electrodes is smaller than the area of Y floating electrodes in a unit lattice region of a lattice formed of the X electrodes and the Y electrodes. A mutual capacitance generated between an X electrode and a Y electrode decreases when a surface of the second insulating layer is touched by a pointer.Type: GrantFiled: December 27, 2018Date of Patent: October 13, 2020Assignees: TIANMA JAPAN, LTD., XIAMEN TIANMA MICRO-ELECTRONICS CO., LTD.Inventors: Hiroshi Haga, Daisuke Sugimoto
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Patent number: 10788933Abstract: A tactile presentation panel includes a support substrate, a drive electrode located on the support substrate, a first insulating film located on the support substrate and covering the drive electrode, a plurality of floating electrodes electrically independent from one another disposed on the first insulating film, and a second insulating film covering the plurality of floating electrodes.Type: GrantFiled: June 22, 2017Date of Patent: September 29, 2020Assignee: TIANMA MICROELECTRONICS CO., LTD.Inventors: Daisuke Sugimoto, Hiroshi Haga
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Publication number: 20200278752Abstract: A tactile sense presentation device includes a panel that includes a support substrate, a plurality of electrodes, which are formed on the support substrate, extending in a predetermined direction, and an insulating layer covering the plurality of electrodes; and a drive unit that drives the panel, wherein a tactile sense is presented to an operator based on an electrostatic force generated between the electrodes and the operator by the drive unit applying a signal of a voltage to the electrode, a contact face of the insulating layer that is in contact with the operator has a surface roughness Ra of a predetermined range, and the voltage applied to the electrodes corresponding to an area in which the tactile sense is presented to the operator is a voltage corresponding to the surface roughness Ra of the contact face.Type: ApplicationFiled: March 20, 2020Publication date: September 3, 2020Applicant: TIANMA MICROELECTRONICS CO., LTD.Inventors: Hiroshi HAGA, Daisuke SUGIMOTO