Patents by Inventor Keiko Asai

Keiko Asai 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).

  • Starter circuit
    Patent number: 6833742
    Abstract: The present invention is relative to a starter circuit for starting and re-starting a main circuit (20) in startup and during the unusual operation of the main circuit. The starter circuit includes a startup signal supplying unit (11) for supplying a stop signal for stopping the operation of the main circuit when the standby signal is at a standby level, supplying a startup signal to a circuit startup node (22) of the main circuit when the standby signal is changed from the standby level to the startup level and for halting the supply of the stop signal.
    Type: Grant
    Filed: June 9, 2003
    Date of Patent: December 21, 2004
    Assignee: Sony Corporation
    Inventors: Yasuhide Shimizu, Keiko Asai
  • Start circuit
    Publication number: 20040004501
    Abstract: The present invention is relative to a starter circuit for starting and re-starting a main circuit (20) in startup and during the unusual operation of the main circuit. The starter circuit includes a startup signal supplying unit (11) for supplying a stop signal for stopping the operation of the main circuit when the standby signal is at a standby level, supplying a startup signal to a circuit startup node (22) of the main circuit when the standby signal is changed from the standby level to the startup level and for halting the supply of the stop signal.
    Type: Application
    Filed: June 9, 2003
    Publication date: January 8, 2004
    Inventors: Yasuhide Shimizu, Keiko Asai