Patents by Inventor Hiroaki Maeshiba

Hiroaki Maeshiba 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: 11579833
    Abstract: A display apparatus according to an embodiment of the present disclosure includes: a thin plate-like display cell that displays an image; M exciters that are disposed on a back surface side of the display cell, and vibrate the display cell; and a driving section that drives the display cell and the M exciters.
    Type: Grant
    Filed: November 29, 2018
    Date of Patent: February 14, 2023
    Inventors: Hiroaki Maeshiba, Daisuke Yamaoka
  • Patent number: 11516425
    Abstract: A display apparatus according to an embodiment of the present disclosure includes: a display cell that displays an image and has a thin-plate shape; one or more vibration exciters that are disposed on rear-surface side of the display cell and cause the display cell to vibrate; and an opposing plate opposed to the display cell with an air gap in between. The display apparatus further includes a sound-spreading adjustment member that is disposed between the display cell and the two or more vibration exciters, and controls spreading of a sound generated by vibration caused by the two or more vibration exciters.
    Type: Grant
    Filed: December 6, 2018
    Date of Patent: November 29, 2022
    Inventors: Hiroaki Maeshiba, Daisuke Yamaoka, Shinpei Kondo, Hiroki Matsuoka
  • Publication number: 20220369032
    Abstract: Provided is a signal processing device including a control unit configured to control each of a plurality of actuators configured to drive a display unit on the basis of an acoustic signal, in which the plurality of the actuators is provided for respective regions of the display unit, and the control unit executes low band component reduction processing of reducing a low band component of an acoustic signal of the region for driving the actuator on the basis of luminance of an image to be displayed in the region of the display unit.
    Type: Application
    Filed: October 30, 2020
    Publication date: November 17, 2022
    Inventors: HIROAKI MAESHIBA, HIROSHI YOSHIOKA
  • Patent number: 11457298
    Abstract: Provided is a display device that includes a display on which an image is displayed on a display surface, a rear cover arranged on a back surface side of the display, and an upper speaker and a lower speaker arranged between the display and the rear cover and located so as to be separated vertically from each other, in which an upper slit functioning as a passage hole for sound output from the upper speaker is located above the display, a lower slit functioning as a passage hole for sound output from the lower speaker is located below the display, and a vertical width of the lower slit is larger than a vertical width of the upper slit.
    Type: Grant
    Filed: November 6, 2019
    Date of Patent: September 27, 2022
    Assignee: SONY GROUP CORPORATION
    Inventors: Tatsuya Sakata, Hiroaki Maeshiba, Daisuke Yamaoka, Junji Hagio, Hiroshi Masuda
  • Publication number: 20220053253
    Abstract: A sound image localization effect is enhanced to ensure a preferable viewing state in which a sense of unity between an image or video and sound is generated. A display device includes: a display on which an image is displayed on a display surface; a rear cover arranged on a back surface side of the display; and an upper speaker and a lower speaker arranged between the display and the rear cover and located so as to be separated vertically from each other, in which an upper slit functioning as a passage hole for sound output from the upper speaker is located above the display, a lower slit functioning as a passage hole for sound output from the lower speaker is located below the display, and a vertical width of the lower slit is larger than a vertical width of the upper slit.
    Type: Application
    Filed: November 6, 2019
    Publication date: February 17, 2022
    Inventors: TATSUYA SAKATA, HIROAKI MAESHIBA, DAISUKE YAMAOKA, JUNJI HAGIO, HIROSHI MASUDA
  • Publication number: 20210089257
    Abstract: A display apparatus according to an embodiment of the present disclosure includes: a thin plate-like display cell that displays an image; M exciters that are disposed on a back surface side of the display cell, and vibrate the display cell; and a driving section that drives the display cell and the M exciters.
    Type: Application
    Filed: November 29, 2018
    Publication date: March 25, 2021
    Applicant: Sony Corporation
    Inventors: Hiroaki Maeshiba, Daisuke Yamaoka
  • Publication number: 20210014449
    Abstract: A display apparatus according to an embodiment of the present disclosure includes: a display cell that displays an image and has a thin-plate shape; one or more vibration exciters that are disposed on rear-surface side of the display cell and cause the display cell to vibrate; and an opposing plate opposed to the display cell with an air gap in between. The display apparatus further includes a sound-spreading adjustment member that is disposed between the display cell and the two or more vibration exciters, and controls spreading of a sound generated by vibration caused by the two or more vibration exciters.
    Type: Application
    Filed: December 6, 2018
    Publication date: January 14, 2021
    Applicant: Sony Corporation
    Inventors: Hiroaki Maeshiba, Daisuke Yamaoka, Shinpei Kondo, Hiroki Matsuoka