Patents by Inventor Ki Hwan Jin

Ki Hwan Jin 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).

  • Patent number: 8276280
    Abstract: The present invention provides electric pruning shears which can improve operation convenience by increasing the operating speed and eliminating hand fatigue during pruning of fruit trees. For this purpose, the present invention provides electric pruning shears which can improve safety during handling by implementing a new type of switching means having a separate safety switch capable of being separated from a main body and put on a user's finger and reduce the volume and weight by reducing the number of parts associated with the safety switch. Moreover, the present invention provides electric pruning shears which control a motor to be reversely rotated when there is an abnormality in blades of the electric pruning shears during a pruning operation, thus escaping from the overall abnormality including motor damage.
    Type: Grant
    Filed: August 11, 2009
    Date of Patent: October 2, 2012
    Assignee: Republic of Korea (Management: Rural Development Administration)
    Inventors: Kyung Suk Lee, Hyo Cher Kim, Hye Seon Chae, U Suk Park, Kyung Ran Kim, Ki Hwan Jin, Kwan Woo Kim, Yoon Jeong Baek, Dae Sop Lim, Soon Yean Jung
  • Publication number: 20100064527
    Abstract: The present invention provides electric pruning shears which can improve operation convenience by increasing the operating speed and eliminating hand fatigue during pruning of fruit trees. For this purpose, the present invention provides electric pruning shears which can improve safety during handling by implementing a new type of switching means having a separate safety switch capable of being separated from a main body and put on a user's finger and reduce the volume and weight by reducing the number of parts associated with the safety switch. Moreover, the present invention provides electric pruning shears which control a motor to be reversely rotated when there is an abnormality in blades of the electric pruning shears during a pruning operation, thus escaping from the overall abnormality including motor damage.
    Type: Application
    Filed: August 11, 2009
    Publication date: March 18, 2010
    Inventors: Kyung Suk LEE, Hyo Cher KIM, Hye Seon CHAE, U Suk PARK, Kyung Ran KIM, Ki Hwan JIN, Kwan Woo KIM, Yoon Jeong BAEK, Dae Sop LIM, Soon Yean JUNG
  • Patent number: 5984424
    Abstract: Two methods of calibrating Fax machines are disclosed. The first method utilizes a pre-printed calibration chart and a computer connected to the Fax machine to be calibrated. The calibration chart is fed into the Fax machine which sends the resultant data to the computer. This data is analyzed by the computer to determine when the Fax machine started to scan the calibration chart. If the scan process did not occur at an optimum point, the computer sends a correction value back to the Fax machine to cause the Fax machine to begin scanning subsequent documents at an optimum point. In the second method, a calibration chart is printed by the Fax machine and then fed back into the machine. A copy of the scanned calibration chart is made to determine at what point the Fax machine began scanning the chart. If the Fax machine did not begin scanning at an optimum point, a user reads the copy and manually enters a corrective offset in to the Fax machine such that subsequent documents are scanned properly.
    Type: Grant
    Filed: December 4, 1997
    Date of Patent: November 16, 1999
    Inventor: Ki Hwan Jin