Patents by Inventor Cheol-Sun YOO

Cheol-Sun YOO 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).

  • Apparatus and method for providing digital multimedia broadcast service using an external device and a digital TV
    Patent number: 9049401
    Abstract: An apparatus and a method for providing a Digital Multimedia Broadcasting (DMB) service using a digital TeleVision (TV) and an external device are provided. It is determined whether a received broadcast channel supports a Multi Mode Service (MMS), and if so, one of subchannels included in the broadcast channel is set to a main channel. The digital TV reproduces a broadcast signal via the main channel, and broadcast signals of subchannels excluding the main channel are transmitted to at least one external device in communication with the digital TV.
    Type: Grant
    Filed: June 3, 2013
    Date of Patent: June 2, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Cheol-Sun Yoo
  • APPARATUS AND METHOD FOR PROVIDING DIGITAL MULTIMEDIA BROADCAST SERVICE USING AN EXTERNAL DEVICE AND A DIGITAL TV
    Publication number: 20130258196
    Abstract: An apparatus and a method for providing a Digital Multimedia Broadcasting (DMB) service using a digital TeleVision (TV) and an external device are provided. It is determined whether a received broadcast channel supports a Multi Mode Service (MMS), and if so, one of subchannels included in the broadcast channel is set to a main channel. The digital TV reproduces a broadcast signal via the main channel, and broadcast signals of subchannels excluding the main channel are transmitted to at least one external device in communication with the digital TV.
    Type: Application
    Filed: June 3, 2013
    Publication date: October 3, 2013
    Inventor: Cheol-Sun YOO
  • Apparatus and method for providing digital multimedia broadcast service using an external device and a digital TV
    Patent number: 8456573
    Abstract: An apparatus and a method for providing a Digital Multimedia Broadcasting (DMB) service using a digital TeleVision (TV) and an external device are provided. It is determined whether a received broadcast channel supports a Multi Mode Service (MMS), and if so, one of subchannels included in the broadcast channel is set to a main channel. The digital TV reproduces a broadcast signal via the main channel, and broadcast signals of subchannels excluding the main channel are transmitted to at least one external device in communication with the digital TV.
    Type: Grant
    Filed: January 29, 2010
    Date of Patent: June 4, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Cheol-Sun Yoo
  • MOBILE DEVICE AND METHOD FOR CUTOFF-BASED POWER CONTROL
    Publication number: 20120058805
    Abstract: A mobile device and its control method allow a system booting in an emergency mode to operate by redefining a reference cutoff voltage when the mobile device enters into the power-off state in a cutoff mode, wherein the mobile device can support an emergency call service through a minimum booting procedure although other non-essential functions have been curtailed.
    Type: Application
    Filed: September 7, 2011
    Publication date: March 8, 2012
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventor: Cheol Sun YOO
  • APPARATUS AND METHOD FOR PROVIDING DIGITAL MULTIMEDIA BROADCAST SERVICE USING AN EXTERNAL DEVICE AND A DIGITAL TV
    Publication number: 20100201877
    Abstract: An apparatus and a method for providing a Digital Multimedia Broadcasting (DMB) service using a digital TeleVision (TV) and an external device are provided. It is determined whether a received broadcast channel supports a Multi Mode Service (MMS), and if so, one of subchannels included in the broadcast channel is set to a main channel. The digital TV reproduces a broadcast signal via the main channel, and broadcast signals of subchannels excluding the main channel are transmitted to at least one external device in communication with the digital TV.
    Type: Application
    Filed: January 29, 2010
    Publication date: August 12, 2010
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventor: Cheol-Sun YOO