Patents by Inventor Jingu CHOI

Jingu 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).

  • Publication number: 20170223579
    Abstract: The present invention relates to a method and an apparatus for establishing a Wi-Fi Direct connection through Bluetooth low energy (LE) technology.
    Type: Application
    Filed: May 8, 2015
    Publication date: August 3, 2017
    Applicant: LG ELECTRONICS INC.
    Inventors: Jaeho LEE, Jingu CHOI
  • Publication number: 20170215030
    Abstract: Disclosed are a method and apparatus for forming, by a first device, forming a Wi-Fi connection with a second device using Bluetooth LE in a wireless communication system, including receiving an advertising message from the second device, forming a Bluetooth LE connection with the second device based on the advertising message, transmitting a first write request message to the second device requesting writing of authentication information necessary for performing Wi-Fi authentication with the third device, wherein the first write request message including the authentication information, receiving a write response message from the second device as a response to the first write request message, and sending a second write request message to request the writing of Opcode indicating a Wi-Fi connection with the third device to the second device.
    Type: Application
    Filed: January 23, 2017
    Publication date: July 27, 2017
    Applicant: LG ELECTRONICS INC.
    Inventors: Jingu CHOI, Byungjoo LEE, Younghwan KWON, Minsoo LEE, Hyeonjae LEE
  • Publication number: 20170215213
    Abstract: The present invention is related to a method and an apparatus for avoiding collision in a Bluetooth reconnection procedure. A method and an apparatus according to the present invention comprises measuring energy level of a received signal transmitted through a first channel; changing the first channel to the second channel when the energy level is larger than a predetermined threshold value; transmitting a trigger packet to a second device through the second channel; receiving a beacon packet through the second channel from the second device; and establishing a connection with the second device, wherein the first device stores information related to Bluetooth connection with the second device.
    Type: Application
    Filed: May 11, 2015
    Publication date: July 27, 2017
    Applicant: LG ELECTRONICS INC.
    Inventors: Jaeho LEE, Minsoo LEE, Younghwan KWON, Jingu CHOI
  • Publication number: 20170215113
    Abstract: The present invention relates to a method and an apparatus for discovering and connecting an alternative communication means by using Bluetooth low energy (LE) technology. According to the present invention, provided are a method including: receiving an advertising message from a second device; requesting additional information of the alternative communication means based on the advertising message to the second device; receiving the additional information of the alternative communication means from the second device in response to the request message; and performing handover to the second device and the alternative communication means based on the additional information, and the advertising message includes at least one of an alternative communication means ID, location information of the additional information, or available information of the alternative communication means, and an apparatus.
    Type: Application
    Filed: May 8, 2015
    Publication date: July 27, 2017
    Applicant: LG ELECTRONICS INC.
    Inventors: Jaeho LEE, Jingu CHOI
  • Publication number: 20170208639
    Abstract: Disclosed are a method and apparatus for forming, by a first device, a Bluetooth BR/EDR connection with a second device using Bluetooth LE. In an aspect, the method and apparatus transmitting an advertising message to a plurality of devices through Bluetooth LE, wherein the advertising message includes a target address indicating a device which receives the advertising message; receiving a first request message including first control information instructing a Bluetooth BR/EDR connection from the first device indicated by the target address; transmitting a first response message to the first device in response to the first request message; and forming the Bluetooth BR/EDR connection with the first device for providing a specific service.
    Type: Application
    Filed: January 17, 2017
    Publication date: July 20, 2017
    Applicant: LG ELECTRONICS INC.
    Inventors: Minsoo LEE, Jingu CHOI
  • Publication number: 20170208428
    Abstract: Disclosed is a method for connecting, by a first device, with a second device using Bluetooth communication. The method includes transmitting a request message to request user information for identifying a user of the second device to the second device, receiving a response message including the user information from the second device, registering the second device to a first authority policy or a second authority policy based on the user information, and establishing a Bluetooth connection with the second device registered to the first authority policy or the second authority policy.
    Type: Application
    Filed: January 13, 2017
    Publication date: July 20, 2017
    Applicant: LG ELECTRONICS INC.
    Inventors: Jinkwon LIM, Jingu CHOI, Minsoo LEE
  • Publication number: 20170201854
    Abstract: Disclosed is a method of a first device being controlled by a control device in a group including the first device and a plurality of devices in a Bluetooth mesh network and a device performing the method. The method includes joining the Bluetooth mesh network, receiving a control message instructing the execution of a specific operation from the control device, and performing the specific operation based on the control message. The specific operation may be sequentially performed by the first device and the plurality of devices.
    Type: Application
    Filed: January 13, 2017
    Publication date: July 13, 2017
    Applicant: LG ELECTRONICS INC.
    Inventors: Jingu CHOI, Jangwoong PARK, Younghwan KWON, Taeyoung SONG, Hyeonjae LEE, Jinkwon LIM
  • Publication number: 20170154522
    Abstract: The present invention relates to a method for a first device being controlled by a control device using a Bluetooth Lowe Energy (LE). The present invention provides a method and apparatus including establishing a Bluetooth LE connection with the control device; receiving a write request message requesting a specific operation with the second device from the control device; transmitting a write response message in response to the request message; transmitting a request message to the second device in order to perform the specific operation; and transmitting an error message indicating that a performance of the specific operation is failed to the control device, when failing to perform the specific operation with the second device within a specific time, where the request message includes time information indicating the specific time.
    Type: Application
    Filed: September 30, 2016
    Publication date: June 1, 2017
    Applicant: LG ELECTRONICS INC.
    Inventors: Jinkwon LIM, Younghwan KWON, Jingu CHOI
  • Publication number: 20170134227
    Abstract: The present invention relates to a method and apparatus for transmitting and receiving a data packet in a Bluetooth mesh network performed by a node, the method includes participating in the Bluetooth mesh network; receiving a first data packet from a previous node in a relay state, where the relay state is a state for relaying the data packet in a flooding technique in the mesh network; and transmitting the first data packet to at least one adjacent node, where the first data packet includes information of number of times that represents a number of retransmission of the first data packet, where the relay state is maintained for a first specific time, and wherein the first specific time is determined based on the information of number of times.
    Type: Application
    Filed: November 11, 2016
    Publication date: May 11, 2017
    Applicant: LG ELECTRONICS INC.
    Inventors: Taeyoung SONG, Minsoo LEE, Younghwan KWON, Jinkwon LIM, Jingu CHOI
  • Patent number: 9641963
    Abstract: A wireless communication system plays multimedia content using Bluetooth communication. The wireless communication system includes receiving a request message related to allowing streaming of second multimedia content of a second source device from the sink device by a first source device streaming first multimedia content; determining whether to allow streaming of the second multimedia content of the second source device; transmitting a response message including a determination result for whether to allow streaming of the second multimedia content to the sink device in response to the request message; transmitting a message for stopping streaming of the second multimedia content to the sink device, when the first source device allows streaming of the second multimedia content; and receiving a streaming stop response message from the sink device responsive to the streaming stop message. The request message includes one of a name, MAC address, and ID of the second source device.
    Type: Grant
    Filed: June 20, 2014
    Date of Patent: May 2, 2017
    Assignee: LG Electronics Inc.
    Inventors: Jangwoong Park, Jingu Choi, Hyeonjae Lee, Minsoo Lee
  • Publication number: 20170099597
    Abstract: The present invention relates to a method for controlling a first device performed by a control device using the Bluetooth. The present invention provides a method and apparatus including receiving a first advertising message from a first device; calculating a first distance value that indicates a distance with the first device based on the first advertising message; receiving a second advertising message from a second device when the first distance value is smaller than a threshold value preconfigured to determine a proximity with the control device; and calculating a second distance value that indicates a distance with the second device based on the second advertising message, where a Bluetooth connection is established between the first device and the second device when the second distance value is smaller than the threshold value.
    Type: Application
    Filed: September 30, 2016
    Publication date: April 6, 2017
    Applicant: LG ELECTRONICS INC.
    Inventors: Jingu CHOI, Younghwan KWON, Hyunsik YANG
  • Publication number: 20170054787
    Abstract: Disclosed herein is a method for performing communication using Bluetooth low energy (BLE) in a wireless communication system including a server device and a client device. The client device receives object changed indication information including object identification information indicative of a changed object from the server device. The object identification information includes the name of the changed object or the identifier (ID) of the changed object.
    Type: Application
    Filed: June 5, 2014
    Publication date: February 23, 2017
    Applicant: LG ELECTRONICS INC.
    Inventors: Younghwan KWON, Minsoo LEE, Jingu CHOI, Jaeho LEE, Hyeonjae LEE, Jangwoong PARK
  • Publication number: 20170048655
    Abstract: The present invention is related to a method and an apparatus for transmitting and receiving data by using Bluetooth LE. A method and an apparatus according to the present invention comprises transmitting a first request message for requesting data to a second device; receiving a first response message including data in response to the first request message; if size of the data is equal to the maximum data transmission size, transmitting a second request message for transmitting additional data; and receiving a second response message including the additional data in response to the second request message, wherein the first request message or the second request message includes at least one of ID information, index information, or index range information of the data; and the first response message or the second response message includes at least one of length information or ID information.
    Type: Application
    Filed: April 21, 2015
    Publication date: February 16, 2017
    Applicant: LG ELECTRONICS INC.
    Inventors: Younghwan KWON, Minsoo LEE, Hyeonjae LEE, Jangwoong PARK, Jingu CHOI, Jaeho LEE
  • Publication number: 20160360345
    Abstract: The present invention relates to Bluetooth connection methods and apparatuses. An embodiment of the present invention provides a Bluetooth connection method, including transmitting, by a Bluetooth LE module, a packet to request device information, receiving a packet related to the device information from at least one connectable Bluetooth LE module, and discovering the at least one connectable Bluetooth LE module; transmitting, by the Bluetooth LE module, a packet indicative of connection with the discovered at least one connectable Bluetooth LE module and connecting the discovered at least one connectable Bluetooth LE module; and transmitting data to the discovered at least one connectable Bluetooth LE module or at least one Bluetooth BR/EDR module corresponding to the discovered at least one connectable Bluetooth LE module.
    Type: Application
    Filed: November 6, 2014
    Publication date: December 8, 2016
    Applicant: LG ELECTRONICS INC.
    Inventors: Dokyun KIM, Younghwan KWON, Jingu CHOI, Jangwoong PARK, Minsoo LEE, Hyeonjae LEE, Seungryul YANG, Jaeho LEE
  • Publication number: 20160323012
    Abstract: A method for transmitting data from a first device to a second device over a Bluetooth mesh network, includes receiving a first message from at least one device among the second device and a relay device included in the Bluetooth mesh network, in order to calculate the number of hops between the first and second devices, calculating the number of hops based on the first message, and transmitting a second message containing the number of hops and data to at least one device among the second device and the relay device, wherein the first message contains at least one between a maximum hop value indicating the maximum number of hops in the mesh network or a relay value indicating the number of relays for the first message.
    Type: Application
    Filed: April 29, 2016
    Publication date: November 3, 2016
    Applicant: LG ELECTRONICS INC.
    Inventors: Younghwan KWON, Jinkwon LIM, Jingu CHOI
  • Publication number: 20160286341
    Abstract: The present invention relates to a method and device for performing a Bluetooth reconnection procedure. In accordance with embodiments of the present invention, there are provided a method and device, including sending a first message notifying a second device of the activation of a first device to the second device through a specific channel, receiving a beacon message through the specific channel from the second device as a response to the first message, sending a request message requesting a connection with the second device using Bluetooth to the second device through the specific channel, and receiving a confirm message through the specific channel from the second device as a response to the request message. The first device stores information related to the Bluetooth connection with the second device.
    Type: Application
    Filed: November 11, 2014
    Publication date: September 29, 2016
    Applicant: LG ELECTRONICS INC.
    Inventors: Jaeho LEE, Hyeonjae LEE, Minsoo LEE, Jangwoong PARK, Seungryul YANG, Younghwan KWON, Jingu CHOI
  • Publication number: 20160173947
    Abstract: A method for managing license information for playback of content, includes transmitting certificate information of a storage device to a license serve, updating a certificate revision list received from the license server on the basis of the certificate information, receiving encrypted license information allowing the content to be played through a first session established between the storage device and the license server, the first session being identified by session identification information, and decrypting the encrypted license information and storing the decrypted license information to a secure region.
    Type: Application
    Filed: July 10, 2014
    Publication date: June 16, 2016
    Applicant: LG ELECTRONICS INC.
    Inventors: Sunghyun CHO, Jingu CHOI, Youngjun JO, Soyoung KIM, Youngwook KANG
  • Publication number: 20160165397
    Abstract: The present invention relates to a method and apparatus of calculating a location of an electronic device. The present invention comprises receiving a common packet from a host device, the common packet containing at least any one of frequency-related information or information on a time when a data packet is transmitted; receiving the data packet based on the information contained in the common packet, the data packet containing at least any one of location-related information or antenna-related information of the host device; obtaining angle information indicating a location relation with the host device using at least any one of the location-related information or the antenna-related information of the received data packet; and calculating the location of the electronic device based on the angle information.
    Type: Application
    Filed: July 3, 2014
    Publication date: June 9, 2016
    Applicant: LG ELECTRONICS INC.
    Inventors: Seungryul YANG, Minsoo LEE, Jangwoong PARK, Jingu CHOI, Younghman KWON, Jaeho LEE, Hyeonjae LEE
  • Publication number: 20160142865
    Abstract: A wireless communication system plays multimedia content using Bluetooth communication. The wireless communication system includes receiving a request message related to allowing streaming of second multimedia content of a second source device from the sink device by a first source device streaming first multimedia content; determining whether to allow streaming of the second multimedia content of the second source device; transmitting a response message including a determination result for whether to allow streaming of the second multimedia content to the sink device in response to the request message; transmitting a message for stopping streaming of the second multimedia content to the sink device, when the first source device allows streaming of the second multimedia content; and receiving a streaming stop response message from the sink device responsive to the streaming stop message. The request message includes one of a name, MAC address, and ID of the second source device.
    Type: Application
    Filed: June 20, 2014
    Publication date: May 19, 2016
    Applicant: LG ELECTRONICS INC.
    Inventors: Jangwoong PARK, Jingu CHOI, Hyeonjae LEE, Minsoo LEE
  • Publication number: 20160007363
    Abstract: Provided are a method of allocating a resource in a wireless communication system and an apparatus using the method. The method includes: measuring a variation of a data usage pattern or density of user equipments located in a region for providing a service; determining whether the variation is greater than or equal to a threshold; and determining a resource allocation type of the region for providing the service on the basis of the determination result.
    Type: Application
    Filed: January 7, 2014
    Publication date: January 7, 2016
    Applicants: LG ELECTRONICS INC., INDUSTRY-ACADEMIC COOPERATION FOUNDATION, YONSEI UNIVERSITY
    Inventors: Genebeck HAHN, Jingu CHOI, Seonglyun KIM, Beomhee LEE, Jaehoon CHUNG, Eunjong LEE