Patents by Inventor Jong-Cheul Seo

Jong-Cheul Seo 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).

  • Electronic system and refresh method
    Patent number: 6883061
    Abstract: An electronic system having a plurality of dynamic semiconductor memory devices and a refresh method for the same. The system comprises a plurality of dynamic semiconductor memory devices and a controller. Each of the dynamic semiconductor memory devices includes a storage device for storing a designated number designating an order for performing a refresh operation, a refresh enable signal generating circuit for generating a refresh enable signal in response to a refresh control command supplied from the controller and a delaying circuit for delaying the refresh enable signal by different time intervals determined by the designated number.
    Type: Grant
    Filed: January 17, 2003
    Date of Patent: April 19, 2005
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jong-Cheul Seo, Jin-Ho So, Hui-Chong Shin, Meoung-Cheol Nam
  • Electronic system and refresh method
    Publication number: 20030145163
    Abstract: An electronic system having a plurality of dynamic semiconductor memory devices and a refresh method for the same. The system comprises a plurality of dynamic semiconductor memory devices and a controller. Each of the dynamic semiconductor memory devices includes a storage device for storing a designated number designating an order for performing a refresh operation, a refresh enable signal generating circuit for generating a refresh enable signal in response to a refresh control command supplied from the controller and a delaying circuit for delaying the refresh enable signal by different time intervals determined by the designated number.
    Type: Application
    Filed: January 17, 2003
    Publication date: July 31, 2003
    Inventors: Jong-Cheul Seo, Jin-Ho So, Hui-chong Shin, Meoung-Cheol Nam