Patents Assigned to Shima System Co., Ltd.
  • Patent number: 7162048
    Abstract: A compact lightweight speaker system without a resonance box that can reproduce the original sound with high fidelity. A speaker unit is located on a baffle board with a vibration absorbing member between a frame of the speaker unit and the baffle board. Furthermore, an acoustic resonance reflecting board of a vertical flat board type based on the operating principle of a passive radiator is formed by the baffle board and a flat board being similar to the baffle board. As a result, a compact smart design will be produced. It is applicable to an electric or electronic apparatus which produces sound.
    Type: Grant
    Filed: July 19, 2004
    Date of Patent: January 9, 2007
    Assignee: Shima System Co., Ltd.
    Inventor: Yoshiharu Shima
  • Patent number: 6904157
    Abstract: A compact lightweight speaker system without a resonance box that can reproduce the original sound with high fidelity. A speaker unit is located on a baffle board with a vibration absorbing member between a frame of the speaker unit and the baffle board. Furthermore, an acoustic resonance reflecting board of a vertical flat board type based on the operating principle of a passive radiator is formed by the baffle board and a flat board being similar to the baffle board. As a result, a compact smart design will be produced. It is applicable to an electric or electronic apparatus which produces sound.
    Type: Grant
    Filed: July 31, 2001
    Date of Patent: June 7, 2005
    Assignee: Shima System Co., Ltd.
    Inventor: Yoshiharu Shima
  • Publication number: 20040258270
    Abstract: A compact lightweight speaker system without a resonance box that can reproduce the original sound with high fidelity. A speaker unit is located on a baffle board with a vibration absorbing member between a frame of the speaker unit and the baffle board. Furthermore, an acoustic resonance reflecting board of a vertical flat board type based on the operating principle of a passive radiator is formed by the baffle board and a flat board being similar to the baffle board. As a result, a compact smart design will be produced. It is applicable to an electric or electronic apparatus which produces sound.
    Type: Application
    Filed: July 19, 2004
    Publication date: December 23, 2004
    Applicant: SHIMA SYSTEM CO., LTD.
    Inventor: Yoshiharu Shima