Patents by Inventor Kiyoshi Taninaka

Kiyoshi Taninaka 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: 11561653
    Abstract: A control device that controls an electronic device including a top panel having an operation surface, a position detector that detects a position of operational input performed on the operation surface, and a first vibrating element that generates vibration in the top panel, the control device includes a first processor that outputs a first drive signal to the first vibrating element to drive the first vibrating element; a first capacitor inserted in series between the first vibrating element and the first processor; and a first differential amplifier that detects a first voltage of the first capacitor or the first vibrating element, wherein the first processor is configured to determine whether pressing operation to the top panel has been performed based on the first voltage detected by the first differential amplifier.
    Type: Grant
    Filed: February 29, 2020
    Date of Patent: January 24, 2023
    Assignee: FUJITSU LIMITED
    Inventors: Akinori Miyamoto, Kiyoshi Taninaka, Yuichi Kamata
  • Patent number: 11119609
    Abstract: An electronic device includes: a top panel with an operation surface; a coordinate detector that detects coordinates of operational input performed on the operation surface; a vibrating element that generates vibration on the operation surface; a drive controller that drives the vibrating element with a drive signal that generates natural vibration in an ultrasonic band on the operation surface, the drive controller driving the vibrating element so that intensity of the natural vibration changes depending on a position of the operational input on the operation surface and a degree of temporal change in the position; and a reflector disposed on the operation surface side of the top panel and having a reflective surface that reflects ultrasonic waves radiated from the top panel.
    Type: Grant
    Filed: January 15, 2021
    Date of Patent: September 14, 2021
    Assignee: FUJITSU LIMITED
    Inventors: Akinori Miyamoto, Kiyoshi Taninaka, Yuichi Kamata
  • Patent number: 11086435
    Abstract: A drive control device being configured to provide a signal to an electronic device, the electronic device including a top panel having an operation surface, and a position detection circuit configured to detect a position of an operational input performed on the operation surface, and a vibrating element configured to generate vibration in the operation surface, the drive control device comprising: processor circuitry configured to execute a drive control processing that includes driving the vibrating element of the electronic device with a drive signal, the drive signal being configured to cause the vibrating element to generate natural vibration in the operation surface and being obtained by modulating a waveform signal of a first frequency in an ultrasonic band with a modulation signal of a second frequency having a difference from the first frequency, the difference being able to be sensed by a tactile receptor of a human.
    Type: Grant
    Filed: December 26, 2019
    Date of Patent: August 10, 2021
    Assignee: FUJITSU LIMITED
    Inventors: Kiyoshi Taninaka, Akinori Miyamoto, Sachihiro Youoku, Yuichi Kamata, Yasuhiro Endo
  • Publication number: 20210141473
    Abstract: An electronic device includes: a top panel with an operation surface; a coordinate detector that detects coordinates of operational input performed on the operation surface; a vibrating element that generates vibration on the operation surface; a drive controller that drives the vibrating element with a drive signal that generates natural vibration in an ultrasonic band on the operation surface, the drive controller driving the vibrating element so that intensity of the natural vibration changes depending on a position of the operational input on the operation surface and a degree of temporal change in the position; and a reflector disposed on the operation surface side of the top panel and having a reflective surface that reflects ultrasonic waves radiated from the top panel.
    Type: Application
    Filed: January 15, 2021
    Publication date: May 13, 2021
    Applicant: FUJITSU LIMITED
    Inventors: Akinori Miyamoto, KIYOSHI TANINAKA, Yuichi Kamata
  • Patent number: 11003250
    Abstract: An electronic device includes a top panel configured to have an operation surface; a detection circuit configured to detect a position of an operation input on the operation surface; a vibrating circuit configured to be attached to the top panel to generate vibration on the operation surface; a control circuit configured to drive the vibrating circuit by a driving signal for generating natural vibration of an ultrasonic wave band on the operation surface, in which the driving of the vibrating circuit is performed such that an intensity of the natural vibration changes in accordance with the position of the operation input to the operation surface and a temporal change degree of the position; and a damping member configured to abut against a position that corresponds to a node of a standing wave generated by the natural vibration on a surface opposite to the operation surface of the top panel.
    Type: Grant
    Filed: June 28, 2019
    Date of Patent: May 11, 2021
    Assignee: FUJITSU LIMITED
    Inventors: Akinori Miyamoto, Kiyoshi Taninaka, Yuichi Kamata, Yasuhiro Endo
  • Patent number: 10963058
    Abstract: A drive controller includes a pulse generator configured to generate a pulse width modulation signal by modifying a period of at least one cycle of a plurality of cycles of the pulse width modulation signal for synchronizing the plurality of cycles of the pulse width modulation signal with one cycle of a drive signal, and a drive circuit configured to generate the drive signal based on the pulse width modulation signal generated by the pulse generator, and drive a vibration element coupled to a panel of an electronic device on a basis of the generated drive signal for generating vibration in an ultrasonic band on the panel.
    Type: Grant
    Filed: December 16, 2019
    Date of Patent: March 30, 2021
    Assignee: FUJITSU LIMITED
    Inventors: Akinori Miyamoto, Kiyoshi Taninaka, Yuichi Kamata, Sachihiro Youoku, yasuhiro endo
  • Publication number: 20200264705
    Abstract: An information processing device includes: a memory; and a processor coupled to the memory and configured to: drive a vibrating element of an electronic device, which includes a top panel that has an operation surface, a position detection circuit that detects a position of an operational input performed on the operation surface, and the vibrating element that generates vibration on the operation surface, with a first drive signal that generates a first natural vibration in an ultrasonic band on the operation surface when the operational input is performed on the operation surface; and drive the vibrating element with a second drive signal that generates vibration in a frequency band perceivable by a human sensory organ on the operation surface when the vibrating element is driven for a predetermined time.
    Type: Application
    Filed: May 5, 2020
    Publication date: August 20, 2020
    Applicant: FUJITSU LIMITED
    Inventors: Kiyoshi TANINAKA, Akinori MIYAMOTO, Sachihiro YOUOKU
  • Publication number: 20200201461
    Abstract: A control device that controls an electronic device including a top panel having an operation surface, a position detector that detects a position of operational input performed on the operation surface, and a first vibrating element that generates vibration in the top panel, the control device includes a first processor that outputs a first drive signal to the first vibrating element to drive the first vibrating element; a first capacitor inserted in series between the first vibrating element and the first processor; and a first differential amplifier that detects a first voltage of the first capacitor or the first vibrating element, wherein the first processor is configured to determine whether pressing operation to the top panel has been performed based on the first voltage detected by the first differential amplifier.
    Type: Application
    Filed: February 29, 2020
    Publication date: June 25, 2020
    Applicant: FUJITSU LIMITED
    Inventors: Akinori MIYAMOTO, Kiyoshi TANINAKA, Yuichi KAMATA
  • Publication number: 20200133425
    Abstract: A drive control device being configured to provide a signal to an electronic device, the electronic device including a top panel having an operation surface, and a position detection circuit configured to detect a position of an operational input performed on the operation surface, and a vibrating element configured to generate vibration in the operation surface, the drive control device comprising: processor circuitry configured to execute a drive control processing that includes driving the vibrating element of the electronic device with a drive signal, the drive signal being configured to cause the vibrating element to generate natural vibration in the operation surface and being obtained by modulating a waveform signal of a first frequency in an ultrasonic band with a modulation signal of a second frequency having a difference from the first frequency, the difference being able to be sensed by a tactile receptor of a human.
    Type: Application
    Filed: December 26, 2019
    Publication date: April 30, 2020
    Applicant: FUJITSU LIMITED
    Inventors: Kiyoshi TANINAKA, Akinori MIYAMOTO, Sachihiro YOUOKU, Yuichi KAMATA, Yasuhiro ENDO
  • Publication number: 20200117281
    Abstract: A drive controller includes a pulse generator configured to generate a pulse width modulation signal by modifying a period of at least one cycle of a plurality of cycles of the pulse width modulation signal for synchronizing the plurality of cycles of the pulse width modulation signal with one cycle of a drive signal, and a drive circuit configured to generate the drive signal based on the pulse width modulation signal generated by the pulse generator, and drive a vibration element coupled to a panel of an electronic device on a basis of the generated drive signal for generating vibration in an ultrasonic band on the panel.
    Type: Application
    Filed: December 16, 2019
    Publication date: April 16, 2020
    Applicant: FUJITSU LIMITED
    Inventors: Akinori Miyamoto, KIYOSHI TANINAKA, Yuichi Kamata, Sachihiro YOUOKU, Yasuhiro Endo
  • Patent number: 10592019
    Abstract: An electronic device includes: a top panel having a manipulation surface; a position detector configured to detect a position of a manipulation input performed on the manipulation surface; a vibrating element; and a drive controlling part configured to drive the vibrating element for generating a natural vibration in an ultrasound frequency band at the manipulation surface such that an intensity of the natural vibration is changed in accordance with the position of the manipulation input performed on the manipulation surface and a time change degree of the position, wherein a width of the vibrating element in a direction in which an amplitude of the natural vibration changes is set based on a ratio between a flexural rigidity of the top panel and a flexural rigidity of the top panel and the vibrating element at a portion where the vibrating element is attached to the top panel.
    Type: Grant
    Filed: May 30, 2018
    Date of Patent: March 17, 2020
    Assignee: FUJITSU LIMITED
    Inventors: Akinori Miyamoto, Yuichi Kamata, Kiyoshi Taninaka, Yasuhiro Endo
  • Patent number: 10576369
    Abstract: A game controller includes a housing; a top panel disposed on an opening portion of the housing and having a manipulation input surface; a position detector configured to detect a position of a manipulation input performed on the manipulation input surface; a vibrating element configured to generate a vibration in the manipulation input surface of the top panel; and a drive controlling part configured to drive the vibrating element by using a driving signal causing the vibrating element to generate a natural vibration in an ultrasound-frequency-band in the manipulation input surface.
    Type: Grant
    Filed: August 3, 2016
    Date of Patent: March 3, 2020
    Assignee: FUJITSU LIMITED
    Inventors: Akinori Miyamoto, Yasuhiro Endo, Yuichi Kamata, Kiyoshi Taninaka
  • Patent number: 10545576
    Abstract: An electronic device can provide a satisfactory tactile sensation by Fourier-transforming a first image including brightness information, to obtain a first spatial-frequency distribution of the brightness, obtaining a second spatial-frequency distribution by multiplying the first spatial-frequency distribution by a coefficient depending on the first image size, obtaining a first time-frequency distribution based on the second spatial-frequency distribution and an input operation speed, filtering the first time-frequency distribution through a filter in which the transmittance for a frequency band detectable by Pacini's corpuscles is reduced, to obtain a second time-frequency distribution, converting the second time-frequency distribution into a third spatial-frequency distribution, based on the coefficient and the predetermined speed, inverse-Fourier-transforming the third spatial-frequency distribution, to obtain a second image, and driving a vibration element by a drive signal that has an amplitude accordin
    Type: Grant
    Filed: July 3, 2018
    Date of Patent: January 28, 2020
    Assignee: FUJITSU LIMITED
    Inventors: Kiyoshi Taninaka, Yuichi Kamata, Yasuhiro Endo
  • Publication number: 20190391654
    Abstract: A tactile sensation providing apparatus includes: a housing; N (N is an integer equal to or greater than 2) vibrators attached to the housing, having resonance frequencies different from each other and configured to vibrate the housing; and a drive controller configured to simultaneously drive the N vibrators with N drive signals that vibrate the N respective vibrators in a resonance state, wherein the N drive signals cause the housing to generate reciprocating vibration by simultaneously driving the N respective vibrators, the reciprocating vibration having different speeds in a first direction and a second direction opposite to the first direction.
    Type: Application
    Filed: September 4, 2019
    Publication date: December 26, 2019
    Applicant: FUJITSU LIMITED
    Inventors: KIYOSHI TANINAKA, Tsukasa Itani, Yasuhiro Endo
  • Publication number: 20190324545
    Abstract: An electronic device includes a top panel configured to have an operation surface; a detection circuit configured to detect a position of an operation input on the operation surface; a vibrating circuit configured to be attached to the top panel to generate vibration on the operation surface; a control circuit configured to drive the vibrating circuit by a driving signal for generating natural vibration of an ultrasonic wave band on the operation surface, in which the driving of the vibrating circuit is performed such that an intensity of the natural vibration changes in accordance with the position of the operation input to the operation surface and a temporal change degree of the position; and a damping member configured to abut against a position that corresponds to a node of a standing wave generated by the natural vibration on a surface opposite to the operation surface of the top panel.
    Type: Application
    Filed: June 28, 2019
    Publication date: October 24, 2019
    Applicant: FUJITSU LIMITED
    Inventors: Akinori MIYAMOTO, Kiyoshi TANINAKA, Yuichi KAMATA, Yasuhiro ENDO
  • Patent number: 10216338
    Abstract: An electronic device includes a top panel having a manipulation surface; a coordinate detector configured to detect coordinates of a manipulation input performed on the manipulation surface; a first vibrating element; and a drive controlling part configured to drive the first vibrating element by using a driving signal for generating a natural vibration in an ultrasound frequency band of the manipulation surface, the drive controlling part being configured to drive the vibrating element such that an intensity of the natural vibration changes in accordance with a position of the manipulation input and in accordance with a degree of time change of the position, wherein the top panel has a periodic structure whose thickness changes in a periodic manner in accordance with a period of a standing wave in a direction in which antinodes and nodes of the standing wave generated by the natural vibration are arrayed.
    Type: Grant
    Filed: October 13, 2017
    Date of Patent: February 26, 2019
    Assignee: FUJITSU LIMITED
    Inventors: Akinori Miyamoto, Yuichi Kamata, Kiyoshi Taninaka, Yasuhiro Endo
  • Publication number: 20180329499
    Abstract: An electronic device can provide a satisfactory tactile sensation by Fourier-transforming a first image including brightness information, to obtain a first spatial-frequency distribution of the brightness, obtaining a second spatial-frequency distribution by multiplying the first spatial-frequency distribution by a coefficient depending on the first image size, obtaining a first time-frequency distribution based on the second spatial-frequency distribution and an input operation speed, filtering the first time-frequency distribution through a filter in which the transmittance for a frequency band detectable by Pacini's corpuscles is reduced, to obtain a second time-frequency distribution, converting the second time-frequency distribution into a third spatial-frequency distribution, based on the coefficient and the predetermined speed, inverse-Fourier-transforming the third spatial-frequency distribution, to obtain a second image, and driving a vibration element by a drive signal that has an amplitude accordin
    Type: Application
    Filed: July 3, 2018
    Publication date: November 15, 2018
    Applicant: FUJITSU LIMITED
    Inventors: Kiyoshi TANINAKA, Yuichi KAMATA, Yasuhiro ENDO
  • Patent number: 10120484
    Abstract: A drive control apparatus that drives a vibrating element of an electronic device including a touch panel and the vibrating element generating a vibration in a manipulation input surface of the touch panel, including, a drive controller being configured to drive the vibrating element by using a drive signal causing the vibrating element to generate a natural vibration in an ultrasound-frequency-band in the manipulation input surface, the drive controller being configured to drive the vibrating element so as to switch the natural vibration between a strong level and a weak level in accordance with a travel distance of a position of a manipulation input performed onto the manipulation input surface.
    Type: Grant
    Filed: March 24, 2016
    Date of Patent: November 6, 2018
    Assignee: FUJITSU LIMITED
    Inventors: Yasuhiro Endo, Yuichi Kamata, Kiyoshi Taninaka, Akinori Miyamoto
  • Publication number: 20180314401
    Abstract: An electronic device include a top panel including an operation surface; a position detector to detect the position of an input operation; first and second vibration elements placed in first and second areas of an operation surface to generate a natural vibration selectively in the first and second areas, respectively; a memory to store first data in which coordinates of the first area, the first vibration element, the first drive signal, and a first voice guidance are associated, and coordinates of the second area, the second vibration element, the second drive signal, and a second voice guidance are associated; and a controller, in response to multiple input operations, to drive the first vibration element by the first drive signal such that a strength of the natural vibration varies depending on a change rate of a position of the input operation, and to output the first voice guidance.
    Type: Application
    Filed: July 5, 2018
    Publication date: November 1, 2018
    Applicant: FUJITSU LIMITED
    Inventors: Yasuhiro ENDO, Yuichi KAMATA, Kiyoshi TANINAKA, Akinori MIYAMOTO, Koji YOSHIMOTO
  • Publication number: 20180275786
    Abstract: An electronic device includes: a top panel having a manipulation surface; a position detector configured to detect a position of a manipulation input performed on the manipulation surface; a vibrating element; and a drive controlling part configured to drive the vibrating element for generating a natural vibration in an ultrasound frequency band at the manipulation surface such that an intensity of the natural vibration is changed in accordance with the position of the manipulation input performed on the manipulation surface and a time change degree of the position, wherein a width of the vibrating element in a direction in which an amplitude of the natural vibration changes is set based on a ratio between a flexural rigidity of the top panel and a flexural rigidity of the top panel and the vibrating element at a portion where the vibrating element is attached to the top panel.
    Type: Application
    Filed: May 30, 2018
    Publication date: September 27, 2018
    Applicant: FUJITSU LIMITED
    Inventors: Akinori MIYAMOTO, Yuichi KAMATA, Kiyoshi TANINAKA, Yasuhiro ENDO