Patents by Inventor Akio Idel

Akio Idel 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).

  • Sound absorbing structure of electronic equipment
    Patent number: 7712576
    Abstract: In order to provide sound absorbing structure capable of reducing the noise of electronic equipment while maintaining the cooling capability of the electronic equipment, there is provided sound absorbing structure in which a plurality of penetrating openings are provided by arranging a plurality of acoustic materials having a predetermined shape at predetermined intervals in a flow channel of cooling fluid from a blower, and the plurality of acoustic materials are arranged so that the sound vertically incident on a penetrating plane of the penetrating openings from the blower does not directly go out of the electronic equipment.
    Type: Grant
    Filed: February 28, 2008
    Date of Patent: May 11, 2010
    Assignee: Hitachi, Ltd.
    Inventors: Akira Goto, Akio Idel, Shigeyasu Tsubaki
  • Sound absorbing structure of electronic equipment
    Publication number: 20080230305
    Abstract: In order to provide sound absorbing structure capable of reducing the noise of electronic equipment while maintaining the cooling capability of the electronic equipment, there is provided sound absorbing structure in which a plurality of penetrating openings are provided by arranging a plurality of acoustic materials having a predetermined shape at predetermined intervals in a flow channel of cooling fluid from a blower, and the plurality of acoustic materials are arranged so that the sound vertically incident on a penetrating plane of the penetrating openings from the blower does not directly go out of the electronic equipment.
    Type: Application
    Filed: February 28, 2008
    Publication date: September 25, 2008
    Applicant: Hitachi, Ltd.
    Inventors: Akira Goto, Akio Idel, Shigeyasu Tsubaki