Patents Assigned to AFUR CO., LTD.
  • Speaker unit
    Patent number: 11979711
    Abstract: A speaker unit that has a housing, a lower substrate that is fixed to the housing, a plurality of first ultrasonic vibrators that are arranged on the lower substrate, an upper substrate that is fixed to the housing and has a plurality of openings (OP) formed therein at locations that correspond to the first ultrasonic vibrators, and a plurality of second ultrasonic vibrators that are arranged on the upper substrate.
    Type: Grant
    Filed: October 26, 2020
    Date of Patent: May 7, 2024
    Assignee: AFUR CO., LTD.
    Inventor: Akihiro Furuhira
  • SPEAKER UNIT
    Publication number: 20220386037
    Abstract: A speaker unit that has a housing, a lower substrate that is fixed to the housing, a plurality of first ultrasonic vibrators that are arranged on the lower substrate, an upper substrate that is fixed to the housing and has a plurality of openings (OP) formed therein at locations that correspond to the first ultrasonic vibrators, and a plurality of second ultrasonic vibrators that are arranged on the upper substrate.
    Type: Application
    Filed: October 26, 2020
    Publication date: December 1, 2022
    Applicant: AFUR CO., LTD.
    Inventor: Akihiro FURUHIRA