Patents by Inventor Gunmmun Ryu

Gunmmun Ryu 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).

  • Stepping motor control device capable of reducing load on CPU
    Patent number: 8804212
    Abstract: A stepping motor control device comprises a plurality of buffers for storing data for driving a stepping motor, a read unit for reading the data from the buffer, and a write unit for writing the data in the buffer. The write unit includes a first mode for writing the data in the buffer in a process performed in a predetermined order, and a second mode for writing the data in the buffer in response to a request from the read unit to write the data.
    Type: Grant
    Filed: May 22, 2008
    Date of Patent: August 12, 2014
    Assignee: KYOCERA Document Solutions Inc.
    Inventor: Gunmmun Ryu
  • STEPPING MOTOR CONTROL DEVICE CAPABLE OF REDUCING LOAD ON CPU
    Publication number: 20080291513
    Abstract: A stepping motor control device comprises a plurality of buffers for storing data for driving a stepping motor, a read unit for reading the data from the buffer, and a write unit for writing the data in the buffer. The write unit includes a first mode for writing the data in the buffer in a process performed in a predetermined order, and a second mode for writing the data in the buffer in response to a request from the read unit to write the data.
    Type: Application
    Filed: May 22, 2008
    Publication date: November 27, 2008
    Applicant: KYOCERA MITA CORPORATION
    Inventor: Gunmmun Ryu