Patents by Inventor Hyun-suk ROH
Hyun-suk ROH 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: 9952821Abstract: A screen position sensing method in a multi display system, a content configuring method, a watermark image generating method for sensing a screen position, a server, and a display terminal are provided. A screen position sensing method in a multi display system performed by a sensing server may include receiving identification information of display terminals from a display server, receiving an image output by each of the display terminals from a camera, and determining a screen position of each of the display terminals based on a watermark included in the image of the display terminals and the received identification information.Type: GrantFiled: August 25, 2016Date of Patent: April 24, 2018Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Il Hong Shin, Eun Jun Rhee, Hyun Suk Roh, Sung Hee Lee, Hyun Woo Lee
-
Patent number: 9786217Abstract: An organic light emitting display device includes a scan driving unit that supplies scan signals to scan lines, a data conversion unit that receives a first data signal for displaying an image and converts the first data signal to create a second data signal; a data driving unit that supplies the first data signal and the second data signal to data lines; a pixel unit including pixels positioned at intersections of the scan lines with the data lines, the pixels emitting light having a luminance corresponding to the first data signal during an image display subperiod and having a luminance corresponding to the second data signal during a compensation subperiod; and an image selection unit that transmits an image corresponding to the first data signal and blocking an image corresponding to the second data signal.Type: GrantFiled: January 29, 2013Date of Patent: October 10, 2017Assignee: SAMSUNG DISPLAY CO., LTD.Inventor: Hyun-Suk Roh
-
Publication number: 20170061628Abstract: A screen position sensing method in a multi display system, a content configuring method, a watermark image generating method for sensing a screen position, a server, and a display terminal are provided. A screen position sensing method in a multi display system performed by a sensing server may include receiving identification information of display terminals from a display server, receiving an image output by each of the display terminals from a camera, and determining a screen position of each of the display terminals based on a watermark included in the image of the display terminals and the received identification information.Type: ApplicationFiled: August 25, 2016Publication date: March 2, 2017Applicant: Electronics and Telecommunications Research InstituteInventors: Il Hong SHIN, Eun Jun RHEE, Hyun Suk ROH, Sung Hee LEE, Hyun Woo LEE
-
Publication number: 20160218979Abstract: The present disclosure relates to a communication path control technology, and more specifically, to technology for selecting a network and scheduling packets for multi-homing based transmission. The objective of the present disclosure is to reduce a packet loss by determining the number of packets to be transmitted based on the degree of congestion on each network path for a multi-homing based transmission technology. A packet transmission apparatus selects a network path to be used to transmit a packet based on congestion information, which is calculated based on state information of each network path, and then allocates the number of packets to be transmitted and sequence numbers of the packets to the selected network path.Type: ApplicationFiled: January 14, 2016Publication date: July 28, 2016Applicant: Electronics and Telecommunications Research InstituteInventor: Hyun Suk ROH
-
Publication number: 20150156096Abstract: Disclosed herein is a virtualization service apparatus including: a network monitoring unit receiving a virtualization service request for a content and network delay time information from a terminal; a content monitoring unit setting a delay limitation depending on a type of the content; a transmission rate controlling unit setting a transmission rate depending on an available bandwidth of a network; a content bit rate controlling unit setting a content bit rate depending on the transmission rate, the delay limitation, and the network delay time; an encoding configuration controlling unit setting a resolution and a frame rate depending on the content bit rate and the type of the content; a content quality controlling unit encoding the content depending on the resolution and the frame rate; and a transmitting unit transmitting the encoded content to the terminal.Type: ApplicationFiled: June 19, 2014Publication date: June 4, 2015Inventor: Hyun-Suk ROH
-
Patent number: 8711794Abstract: Disclosed are a system and a method for receiving an MBMS broadcasting service. In the present invention, in a mobile communication/wireless communication system, an MBMS service is provided by synchronizing a unicast bearer with a multicast bearer through scheduling information mapping at the time of transmitting a broadcast/multicast service through a unicast. Further, the present invention presents even a method for improving quality of experience (QoE) of the service by providing the MBMS service through the multicast bearer and the unicast bearer simultaneously. According to the present invention, MBMS services of various service qualities can be provided depending on wireless quality of a terminal or the capability of the terminal at the time of providing the MBMS service.Type: GrantFiled: December 22, 2011Date of Patent: April 29, 2014Assignee: Electronics and Telecommunications Research InstituteInventors: Mi Young Yun, Jung Mo Moon, Sang Ho Lee, Eun Hee Hyun, Jai Hyung Cho, Jee Hyeon Na, Chul Park, Sun Hwa Lim, Hyun Suk Roh, Dae Ik Kim, Jae Ho Kim, Yeong Jin Kim, Dae Sik Kim
-
Publication number: 20140104326Abstract: An organic light emitting display device includes a scan driving unit that supplies scan signals to scan lines, a data conversion unit that receives a first data signal for displaying an image and converts the first data signal to create a second data signal; a data driving unit that supplies the first data signal and the second data signal to data lines; a pixel unit including pixels positioned at intersections of the scan lines with the data lines, the pixels emitting light having a luminance corresponding to the first data signal during an image display subperiod and having a luminance corresponding to the second data signal during a compensation subperiod; and an image selection unit that transmits an image corresponding to the first data signal and blocking an image corresponding to the second data signal.Type: ApplicationFiled: January 29, 2013Publication date: April 17, 2014Inventor: Hyun-Suk ROH
-
Patent number: 8650592Abstract: Provided is a method and apparatus for reducing zapping delay, which may transmit base layer data for each burst in a time-slicing scheme, and output the base layer data of a channel to be changed at the time of changing the channel, thereby reducing the zapping delay.Type: GrantFiled: June 4, 2010Date of Patent: February 11, 2014Assignee: Electronics and Telecommunications Research InstituteInventors: Jai Hyung Cho, Sang Ho Lee, Yeong Jin Kim, Jee Hyeon Na, Jung Mo Moon, Dae Ik Kim, Jae Ho Kim, Eun Hee Hyun, Hyun Suk Roh, Chul Park, Sun Hwa Lim, Mi Young Yun, Ho Choong Cho, Doug Young Suh, Chul Keun Kim, Eun Ju Park
-
Publication number: 20130219418Abstract: A method of selecting a predicted channel in mobile IPTV services by an expected channel selection function (ECSF) device linked with a gateway is provided. The method includes acquiring channel connection history information of a terminal user, selecting a channel predicted to be connected next by the terminal user in accordance with the acquired channel connection history information, and setting a bearer of the selected channel.Type: ApplicationFiled: August 15, 2012Publication date: August 22, 2013Applicant: Electronics and Telecommunications Research InstituteInventor: Hyun-Suk ROH
-
Publication number: 20130002960Abstract: A display device includes a display unit including a plurality of pixels, and a signal controller for generating a compensation image data signal for offsetting a difference of a deterioration degree of a pixel from among the plurality of pixels, based on a data accumulation value of an input video signal of the pixel for displaying a normal image to the display unit, wherein the signal controller is configured to generate the compensation image data signal for offsetting a difference between a maximum data accumulation value of a maximum light emitting pixel from among the plurality of pixels and each data accumulation value of remaining pixels from among the plurality of pixels.Type: ApplicationFiled: February 8, 2012Publication date: January 3, 2013Inventors: Jae-Woo Ryu, Hyun-Suk Roh
-
Publication number: 20120163274Abstract: Disclosed are a system and a method for receiving an MBMS broadcasting service. In the present invention, in a mobile communication/wireless communication system, an MBMS service is provided by synchronizing a unicast bearer with a multicast bearer through scheduling information mapping at the time of transmitting a broadcast/multicast service through a unicast. Further, the present invention presents even a method for improving quality of experience (QoE) of the service by providing the MBMS service through the multicast bearer and the unicast bearer simultaneously. According to the present invention, MBMS services of various service qualities can be provided depending on wireless quality of a terminal or the capability of the terminal at the time of providing the MBMS service.Type: ApplicationFiled: December 22, 2011Publication date: June 28, 2012Applicant: Electronics and Telecommunications Research InstituteInventors: Mi Young YUN, Jung Mo MOON, Sang Ho LEE, Eun Hee HYUN, Jai Hyung CHO, Jee Hyeon NA, Chul PARK, Sun Hwa LIM, Hyun Suk ROH, Dae Ik KIM, Jae Ho KIM, Yeong Jin KIM, Dae Sik KIM
-
Publication number: 20120158538Abstract: Disclosed is a terminal system including: a first terminal, which is installed on a first indoor transport unit of shopping products, to be connected to a server through a first wireless LAN device installed on a first display stand and generates first product information of products arranged on the first display stand in connection with the server; and a second terminal, which is installed on a second indoor transport unit of the shopping products, to be connected to the server though a second wireless LAN device installed on a second display stand and generates a second product information of products arranged on the second display stand in connection with the server, wherein the first and the second terminals inter-exchange the first product information and the second product information through the first wireless LAN device, the second wireless LAN device and the server.Type: ApplicationFiled: December 14, 2011Publication date: June 21, 2012Applicant: Electronics and Telecommunications Research InstituteInventor: Hyun Suk ROH
-
Publication number: 20120072955Abstract: Provided is a method and apparatus for reducing zapping delay, which may transmit base layer data for each burst in a time-slicing scheme, and output the base layer data of a channel to be changed at the time of changing the channel, thereby reducing the zapping delay.Type: ApplicationFiled: June 4, 2010Publication date: March 22, 2012Applicant: Electronics and Telecommunications Research InstituteInventors: Jai Hyung Cho, Sang Ho Lee, Yeong Jin Kim, Jee Hyeon Na, Jung Mo Moon, Dae Ik Kim, Jae Ho Kim, Eun Hee Hyun, Hyun Suk Roh, Chul Park, Sun Hwa Lim, Mi Young Yun, Ho Choong Cho, Doug Young Suh, Chul Keun Kim, Eun Ju Park
-
Publication number: 20100142430Abstract: A multimedia data service apparatus of a mobile communication system for supporting multicast and multicast service activation and deactivation methods for a multimedia data service used by the mobile communication system are provided. Information for mobility management is searched for according to a multimedia data service join request from a packet data network gateway of the mobile communication system, and multimedia data is multicasted to a user equipment. Accordingly, a multicast service can be provided in a system of 3rd Generation Partnership Project (3GPP) Release 7 or later.Type: ApplicationFiled: December 3, 2009Publication date: June 10, 2010Applicant: Electronics and Telecommunications Research InstituteInventors: Ho-choong CHO, Eun-hee HYUN, Dae-ik KIM, Hyun-suk ROH, Sang-ho LEE
-
Publication number: 20100093312Abstract: Provided is a multicast-based push-to-everything (PTx) service. The method of providing a PTx service using a multimedia broadcast/multicast service (MBMS) server includes: generating a PTx service session at the request of a user equipment (UE); subscribing UEs, which desire to subscribe to the generated PTx service session, to the generated PTx service session; providing a PTx service to the UEs, which subscribed to the PTX service session, in a multicast manner; and unsubscribing a UE from the PTx service session at the request of the UE. Therefore, a multicast-based PTx service can be provided in a long-term evolution advanced (LTE-Adv) network.Type: ApplicationFiled: October 13, 2009Publication date: April 15, 2010Applicant: Electronics and Telecommunications Research InstituteInventors: Hyun-suk ROH, Jung-mo MOON, Sang-ho LEE