Patents by Inventor Seung J. Choi

Seung J. 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: 7589789
    Abstract: A video converting device and method for a digital TV is disclosed. The present invention is capable of detecting whether a conversion is being processed and displaying a previous video or a predetermined pattern for a predetermined time during which the conversion is being processed. If there is no video signal, the present invention displays a predetermined pattern, thereby outputting a pleasant screen to a user. Also, the present invention reduces the conversion time by structuring the bit streams into a GOP.
    Type: Grant
    Filed: June 6, 2005
    Date of Patent: September 15, 2009
    Assignee: LG Electronics Inc.
    Inventor: Seung J. Choi
  • Patent number: 5454083
    Abstract: A selection response circuit according to SCSI (small computer system interface), where a selection response device is designed with a digital logic having a simple structure. The present circuit comprises a bus checking unit for checking the status of an SCSI bus, an ID bit checking units for checking whether a bit corresponding to the ID of itself is active on the bus, and a bus free checking unit for checking the status of a BSY signal and an SEL signal on the SCSI bus to determine whether all SCSI units are using the bus.
    Type: Grant
    Filed: December 29, 1992
    Date of Patent: September 26, 1995
    Assignee: Goldstar Co., Ltd.
    Inventor: Seung J. Choi