Patents by Inventor Masato Sorimachi

Masato Sorimachi 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).

  • Flat speaker
    Patent number: 7912239
    Abstract: A flat speaker comprising a vibrating plate including a spiral voice coil, a lead portion extracted from the vice coil and reinforced by the reinforcing member, and an electric supply line; an edge portion supporting the vibrating plate; and a yoke, supporting the edge portion, on which the permanent magnet arranged to face the voice coil. The flat speaker 1 of the invention includes a vibrating membrane 2 of an insulating base film 3 with a spiral or meandering voice coil 4 formed on one or both faces thereof, a permanent magnet 5 arranged on corresponding location facing the voice coil 4; and a yoke 6 on which the permanent magnet 5 is arranged. The vibrating membrane 2 is avoided from hitting the permanent magnet by providing a perforated sheet on the back face of the yoke to control acoustic resistance.
    Type: Grant
    Filed: June 6, 2006
    Date of Patent: March 22, 2011
    Assignees: The Furukawa Electric Co., Ltd., Fujitsu Ten Limited
    Inventors: Takeshi Nishimura, Masato Sorimachi, Yuuzo Nakajima, Hiroshi Ikeda, Kiyoshi Ootani, Akira Nishikawa, Yuichi Nakajima, Kiyosei Shibata
  • Flat speaker
    Publication number: 20060291688
    Abstract: A flat speaker comprising a vibrating plate including a spiral voice coil, a lead portion extracted from the vice coil and reinforced by the reinforcing member, and an electric supply line; an edge portion supporting the vibrating plate; and a yoke, supporting the edge portion, on which the permanent magnet arranged to face the voice coil. The flat speaker 1 of the invention includes a vibrating membrane 2 of an insulating base film 3 with a spiral or meandering voice coil 4 formed on one or both faces thereof, a permanent magnet 5 arranged on corresponding location facing the voice coil 4; and a yoke 6 on which the permanent magnet 5 is arranged. The vibrating membrane 2 is avoided from hitting the permanent magnet by providing a perforated sheet on the back face of the yoke to control acoustic resistance.
    Type: Application
    Filed: June 6, 2006
    Publication date: December 28, 2006
    Applicants: THE FURUKAWA ELECTRIC CO., LTD., FUJITSU TEN LIMITED
    Inventors: Takeshi Nishimura, Masato Sorimachi, Yuuzou Nakajima, Hiroshi Ikeda, Kiyoshi Ootani, Akira Nishikawa, Yuichi Nakajima, Kiyosei Shibata