Patents by Inventor Si Pung Seong

Si Pung Seong 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).

  • Communication module and initialization method for multi-air conditioner system
    Patent number: 6290141
    Abstract: The communication module for a multi-air conditioner system, which has a plurality of indoor units and one outdoor unit for controlling the indoor units, includes a power circuit in each of the indoor units and outdoor unit. The power circuit is connected to a non-polarized two-wire power line to supply a drive power to a corresponding one of the indoor units and outdoor unit. A transmitter/receiver circuit is also included in each of the indoor units and outdoor unit, and is connected to the power line to convert information to be transmitted into a pulse form, which carries the converted result in an alternating current voltage to transmit the information through the power line and receive information from the power line. A microcomputer included in each of the indoor units and outdoor unit controls an associated system operation according to the information from the power line received by the transmitter/receiver circuit.
    Type: Grant
    Filed: October 12, 1999
    Date of Patent: September 18, 2001
    Assignee: LG Electronics Inc.
    Inventors: Jun Hyoung Park, Si Pung Seong