Patents by Inventor Jong Ryong Choi

Jong Ryong Choi 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: 5726871
    Abstract: A power supply circuit for a video display appliance capable of reducing even the unnecessary power consumption caused by a power factor correction circuit when a display control for power saving is performed. The power supply circuit includes a rectifying section, a power factor correction section, an SMPS, a control section for determining whether to perform a display control for power saving of the video display appliance to provide a control signal, and a switching section for controlling the operation of the power factor correction section according to the control signal provided from the control section.
    Type: Grant
    Filed: January 13, 1997
    Date of Patent: March 10, 1998
    Assignee: LG Electronics Inc.
    Inventor: Jong Ryong Choi