Patents by Inventor Lee Jesuk

Lee Jesuk 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: 7212724
    Abstract: A jitter correcting apparatus and method for a video signal in a video signal reproduction system includes a digital video decoder for demodulating an externally-applied video signal and a phase-locked loop for generating a first clock signal synchronized with the video signal. The system includes an address generator, a comparator and a dual port memory device. The address generator generates a write address for writing the video signal in response to the first clock signal, generates a read address for reading the video signal in response to a second clock signal having a fixed frequency, and corrects the write and read addresses in response to a head switching signal and first and second comparison signals. The comparator compares the write address with the read address and generates the first comparison signal and the second comparison signal according to a result of the comparison.
    Type: Grant
    Filed: June 22, 2004
    Date of Patent: May 1, 2007
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Lee Jesuk
  • Publication number: 20040234233
    Abstract: A jitter correcting apparatus and method for a video signal in a video signal reproduction system includes a digital video decoder for demodulating an externally-applied video signal and a phase-locked loop for generating a first clock signal synchronized with the video signal. The system includes an address generator, a comparator and a dual port memory device. The address generator generates a write address for writing the video signal in response to the first clock signal, generates a read address for reading the video signal in response to a second clock signal having a fixed frequency, and corrects the write and read addresses in response to a head switching signal and first and second comparison signals. The comparator compares the write address with the read address and generates the first comparison signal and the second comparison signal according to a result of the comparison.
    Type: Application
    Filed: June 22, 2004
    Publication date: November 25, 2004
    Applicant: Samsung Electronics Co., Ltd.
    Inventor: Lee Jesuk
  • Patent number: 6801706
    Abstract: A jitter correcting apparatus and method for a video signal in a video signal reproduction system includes a digital video decoder for demodulating an externally-applied video signal and a phase-locked loop for generating a first clock signal synchronized with the video signal. The system includes an address generator, a comparator and a dual port memory device. The address generator generates a write address for writing the video signal in response to the first clock signal, generates a read address for reading the video signal in response to a second clock signal having a fixed frequency, and corrects the write and read addresses in response to a head switching signal and first and second comparison signals. The comparator compares the write address with the read address and generates the first comparison signal and the second comparison signal according to a result of the comparison.
    Type: Grant
    Filed: March 20, 2000
    Date of Patent: October 5, 2004
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Lee Jesuk