Patents by Inventor Hiroshi Maebashi

Hiroshi Maebashi 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).

  • Transformerless charger with terminal safety features
    Patent number: 7023176
    Abstract: It is an object of the present invention to provide a transformerless charger capable of preventing a human body from receiving an electric shock from a charging terminal, and of making it easy to clean the charging terminal. In order to achieve this object, the transformerless charger of the present invention comprises: a charging terminal for supplying charging voltage to rechargeable electronic equipment; a transformerless power supply circuit for supplying charging voltage to the charging terminal; a flip cover that covers the charging terminal to prevent the charging terminal from being exposed; and a switch that allows or blocks the passage of a current between the charging terminal and the transformerless power supply circuit in synchronization with an opening or closing motion of the flip cover.
    Type: Grant
    Filed: June 20, 2003
    Date of Patent: April 4, 2006
    Assignee: Uniden Corporation
    Inventors: Hiroshi Maebashi, Kenji Nagai, Satoru Yamamoto
  • Transformerless charger
    Publication number: 20040257032
    Abstract: It is an object of the present invention to provide a transformerless charger capable of preventing a human body from receiving an electric shock from a charging terminal, and of making it easy to clean the charging terminal. In order to achieve this object, the transformerless charger of the present invention comprises: a charging terminal for supplying charging voltage to rechargeable electronic equipment; a transformerless power supply circuit for supplying charging voltage to the charging terminal; a flip cover that covers the charging terminal to prevent the charging terminal from being exposed; and a switch that allows or blocks the passage of a current between the charging terminal and the transformerless power supply circuit in synchronization with an opening or closing motion of the flip cover.
    Type: Application
    Filed: June 20, 2003
    Publication date: December 23, 2004
    Applicant: Uniden Corporation
    Inventors: Hiroshi Maebashi, Kenji Nagai, Satoru Yamamoto