Patents by Inventor Kyung-Chul Woo

Kyung-Chul Woo 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).

  • Washing and drying machine and method for controlling drying process thereof
    Publication number: 20030051370
    Abstract: Method for controlling a drying process of a washing and drying machine including a preheating step for tightly closing and heating an inner tub for preparing an environment favorable for vaporization of water by elevating a temperature of the inner tub within a short time period, and a drying step for supplying heated air to the inner tub, to make heat exchange between the heated air and laundry, for drying the laundry, whereby improving a drying performance and reducing occurrence of environmental problem.
    Type: Application
    Filed: August 22, 2002
    Publication date: March 20, 2003
    Inventors: In Chul Jeong, Kyung Chul Woo, Kyeong Hwan Kim, Choon Myun Chung, Mu Yong Choi
  • Temperature sensor
    Publication number: 20020131475
    Abstract: The present invention relates a water temperature sensor of indirect/direct contact types for measuring a water temperature by using a chamber cap formed don the one side of a water gauge chamber of an automatic washing machine. The water temperature sensor includes a temperature measuring part for measuring a temperature of water; and a hollow chamber cap located at the bottom edge of a water gauge chamber within a washing machine, having a scating portion on a predetermined place for installing the temperature measuring part.
    Type: Application
    Filed: January 31, 2002
    Publication date: September 19, 2002
    Inventors: Kyung Chul Woo, Byung Keol Choi
  • Water level measuring apparatus for washing machine
    Patent number: 5755118
    Abstract: A water level measuring apparatus for a washing machine which is capable of sensing the water level depending on a level of a sound made by a falling water when water is supplied, includes a microphone disposed at an interval from a water supply inlet to sense the sound of the falling water, a microphone amplifier for amplifying the sound sensed through the microphone, and a microcomputer for determining a water level by using an output signal from the microphone amplifier.
    Type: Grant
    Filed: November 14, 1996
    Date of Patent: May 26, 1998
    Assignee: L.G. Electronics Inc.
    Inventor: Kyung-Chul Woo