Patents by Inventor Jun-Pil Song

Jun-Pil Song 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).

  • Transparency having printing surface discriminating area method for discriminating printing surface of transparency in thermal printer and device appropriate therefor
    Patent number: 6121989
    Abstract: A transparency having a printing surface discriminating region includes an activating region for activating an optical sensor and a nonactivating region so that whether a printing paper is properly supplied can be detected by the sensor.
    Type: Grant
    Filed: May 15, 1997
    Date of Patent: September 19, 2000
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Jun-pil Song
  • Apparatus and method for controlling ribbon motor for color printing based on time not used following printing
    Patent number: 5911528
    Abstract: A method of controlling the operation of a ribbon motor for a color printing system, including the stop of rotating a ribbon in reverse by one color pitch so as to prevent the deterioration of print quality due to dust particulates on a surface of the ribbon after the completion of the printing operation. The above method further includes the steps of counting the time that the printing system is in a standby mode after the printing operation; and presetting a critical point in the printing system in order to compare the time that the printing system is in the standby mode with the critical point.
    Type: Grant
    Filed: January 22, 1997
    Date of Patent: June 15, 1999
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Jun-Pil Song
  • Printing system and method automatically detecting paper length and control method thereof
    Patent number: 5890708
    Abstract: A printing system which can automatically detect the length of paper fed into the system and control the system based upon the detected length of the paper.
    Type: Grant
    Filed: January 10, 1997
    Date of Patent: April 6, 1999
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Jun-Pil Song