Patents by Inventor Dukhyun CHANG

Dukhyun CHANG 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: 11965939
    Abstract: Disclosed are an electronic device for compensating for geomagnetic sensing data and a method for controlling the same. According to an embodiment of the disclosure, an electronic device may include a processor configured to store, in a memory, a temperature of each of a plurality of heating areas and a variation in a geomagnetic value sensed by a geomagnetic sensor, perform linear fitting using the temperature and the variation in the geomagnetic value, compute an error between the variation in the geomagnetic value and an estimated value for the variation in the geomagnetic value, based on a result of the linear fitting, determine a scheme for compensating for the geomagnetic value based on the computed error, and compensate for the geomagnetic value sensed by the geomagnetic sensor using the determined scheme when a variation in temperature is detected for at least one heating area in the plurality of heating areas.
    Type: Grant
    Filed: April 12, 2022
    Date of Patent: April 23, 2024
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hyeonggeon Lee, Taeyoon Kim, Youngpo Lee, Dukhyun Chang, Chaiman Lim
  • Publication number: 20230417547
    Abstract: An electronic device according to various embodiments comprises: a geomagnetic sensor; a posture sensor configured to measure a posture of the electronic device; and a processor operatively connected to the geomagnetic sensor and the posture sensor, wherein the processor may be configured to: obtain a plurality of magnetic field vectors from the geomagnetic sensor; obtain posture information about the electronic device from the posture sensor; correct, on the basis of the posture information about the electronic device, the plurality of magnetic field vectors so that the posture of the electronic device reaches a designated posture; identify a plurality of interference vectors on the basis of the plurality of corrected magnetic field vectors and a magnetic north vector; rotate a straight line connecting a plurality of magnetic field measurement points measured by the geomagnetic sensor to identify a rotation angle in which extending lines of the plurality of interference vectors converge at one point; and ide
    Type: Application
    Filed: September 8, 2023
    Publication date: December 28, 2023
    Inventors: Dukhyun CHANG, Hyoungjoo LEE, Taeyoon KIM, Chaeman LIM
  • Patent number: 11778419
    Abstract: Disclosed is a location detecting method of an electronic device including determining whether the electronic device enters a first region including a first location that is a specific path and/or specific region, when the electronic device enters the first region, selecting a signal type capable of being supported by the electronic device among a signal type list of items defined as moving path data corresponding to the first location, distinguishing the first data, in which a parameter feature is present, and second data having a maintenance pattern for a moving path, among the signal type, comparing first data of the moving path data with first data of measurement data measured by the electronic device, and when the first data of the moving path data corresponds to the first data of the measurement data, comparing patterns after pre-processing both second data of the moving path data and second data of the measurement data to determine whether to enter the first location.
    Type: Grant
    Filed: October 26, 2020
    Date of Patent: October 3, 2023
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Youngpo Lee, Taeyoon Kim, Dukhyun Chang, Hyeonggeon Lee, Chaiman Lim
  • Publication number: 20230003529
    Abstract: An electronic device may include a magnetic sensor and at least one processor operatively connected with the magnetic sensor, wherein the at least one processor may be configured to: collect a plurality of pieces of path data based on first magnetic data related to a plurality of movements of the electronic device, by using the magnetic sensor; identify a plurality of pieces of second magnetic data, which have at least a predetermined level of mutual similarity, from among the plurality of pieces of path data; determine, to be an intersection area related to the plurality of movements of the electronic device, an area range in which the plurality of pieces of second magnetic data are collected; determine, on the basis of the intersection area, a first space and a second space related to the plurality of movements of the electronic device; and determine, on the basis of the third magnetic data acquired by using the magnetic sensor, the space in which the electronic device is located from among the first space
    Type: Application
    Filed: September 6, 2022
    Publication date: January 5, 2023
    Inventors: Youngpo LEE, Taeyoon KIM, Dukhyun CHANG, Hyeonggeon LEE, Hyoungjoo LEE, Chaeman LIM
  • Publication number: 20230007442
    Abstract: An electronic device is provided.
    Type: Application
    Filed: September 8, 2022
    Publication date: January 5, 2023
    Inventors: Dukhyun CHANG, Taeyoon KIM, Youngpo LEE, Hyeonggeon LEE, Hyoungjoo LEE, Chaeman LIM
  • Publication number: 20220326317
    Abstract: Disclosed are an electronic device for compensating for geomagnetic sensing data and a method for controlling the same. According to an embodiment of the disclosure, an electronic device may include a processor configured to store, in a memory, a temperature of each of a plurality of heating areas and a variation in a geomagnetic value sensed by a geomagnetic sensor, perform linear fitting using the temperature and the variation in the geomagnetic value, compute an error between the variation in the geomagnetic value and an estimated value for the variation in the geomagnetic value, based on a result of the linear fitting, determine a scheme for compensating for the geomagnetic value based on the computed error, and compensate for the geomagnetic value sensed by the geomagnetic sensor using the determined scheme when a variation in temperature is detected for at least one heating area in the plurality of heating areas.
    Type: Application
    Filed: April 12, 2022
    Publication date: October 13, 2022
    Inventors: Hyeonggeon LEE, Taeyoon KIM, Youngpo LEE, Dukhyun CHANG, Chaiman LIM
  • Publication number: 20220319118
    Abstract: An electronic device is provided. The electronic device includes a display, a camera, and a processor operatively connected to the display and the camera. The processor may display an augmented reality on the display on the basis of an image captured by the camera, may display a point on the display so as to move on the augmented reality while interworking with the movement of the electronic device, may recognize a selected spot on the augmented reality, may display a guide area on the augmented reality, the guide area including the selected spot such that the point moves within a specific area, may store sensor information including a geomagnetic value measured while the point moves within the guide area, may store radio signal intensity information measured while the point moves within the guide area, and may correct a geomagnetic value included in the sensor information.
    Type: Application
    Filed: June 22, 2022
    Publication date: October 6, 2022
    Inventors: Hyeonggeon LEE, Taeyoon KIM, Youngpo LEE, Dukhyun CHANG, Hyoungjoo LEE, Chaeman LIM
  • Publication number: 20220284596
    Abstract: According to certain embodiments, an electronic device comprises: a sensor module configured to sense sensing data; a wireless communication module configured to transmit and/or receive a wireless signal; a memory configured to store a virtual marker platform; and a processor operatively connected with the sensor module and the memory, wherein the processor is configured to perform a plurality of operations, the plurality of operations comprising: estimating a moving direction of the electronic device; performing first alignment of aligning a direction of a coordinate axis of measurement data, obtained to determine whether the electronic device enters a first region where a virtual marker is registered, with respect to the moving direction; performing second alignment of aligning the direction of the coordinate axis of the measurement data in a direction of a coordinate axis of the electronic device when generating a registered virtual marker; and determining entry of the electronic device into a specific reg
    Type: Application
    Filed: May 23, 2022
    Publication date: September 8, 2022
    Inventors: Dukhyun CHANG, Taeyoon KIM, Youngpo LEE, Hyeonggeon LEE, Chaiman LIM
  • Publication number: 20210211839
    Abstract: Disclosed is a location detecting method of an electronic device including determining whether the electronic device enters a first region including a first location that is a specific path and/or specific region, when the electronic device enters the first region, selecting a signal type capable of being supported by the electronic device among a signal type list of items defined as moving path data corresponding to the first location, distinguishing the first data, in which a parameter feature is present, and second data having a maintenance pattern for a moving path, among the signal type, comparing first data of the moving path data with first data of measurement data measured by the electronic device, and when the first data of the moving path data corresponds to the first data of the measurement data, comparing patterns after pre-processing both second data of the moving path data and second data of the measurement data to determine whether to enter the first location.
    Type: Application
    Filed: October 26, 2020
    Publication date: July 8, 2021
    Inventors: Youngpo LEE, Taeyoon KIM, Dukhyun CHANG, Hyeonggeon LEE, Chaiman LIM
  • Publication number: 20210123746
    Abstract: Disclosed is an electronic device including: a sensor module comprising at least one sensor configured to detect sensing data including a magnetic signal, movement of the electronic device, acceleration of the electronic device, and/or an angle orientation of the electronic device with respect to a ground, a memory configured to store a virtual marker platform, and a processor operatively connected to the sensor module and the memory, wherein the processor is configured to control the electronic device to: receive the sensing data from the sensor module, generate a first virtual marker corresponding to a first location corresponding to a current location of the electronic device using the sensing data, store the first virtual marker in the memory, detect an arbitrary virtual marker, load the first virtual marker from the memory, and request a specified service and/or perform an event designated to be performed in the first location by the electronic device based on the arbitrary virtual marker matching the fi
    Type: Application
    Filed: September 4, 2020
    Publication date: April 29, 2021
    Inventors: Dukhyun CHANG, Taeyoon KIM, Youngpo LEE, Hyeonggeon LEE, Chaiman LIM
  • Patent number: 10244425
    Abstract: An electronic device and a method for controlling transmission control protocol are provided. The electronic device includes a communication circuit, a processor electrically connected to the communication circuit, and a memory electrically connected to the processor. The processor is configured to control for setting a receive window size reference value based on a measured packet round trip time (RTT), identifying a physical layer parameter related to a wireless channel of another electronic device that is different from the electronic device, determining the receive window size based on the physical layer parameter and the reference value, and transmitting the determined receive window size to the other electronic device during transmission of a response message in accordance with data reception.
    Type: Grant
    Filed: September 13, 2016
    Date of Patent: March 26, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Dukhyun Chang, Taeyoon Kim, Chaiman Lim
  • Patent number: 10156888
    Abstract: A method and apparatus are provided for controlling multiple processors in order to reduce current consumption in electronic device. An electronic device includes an application processor (AP) configured to control a plurality of functions; a communication processor (CP) electronically connected to the AP; and a sensor module or a communication module electronically connected to the CP. When the AP enters a sleep state, the CP is configured to control at least one function among the plurality of functions based on information collected from the sensor module or the communication module according to a discontinuous reception (DRX) operating period.
    Type: Grant
    Filed: December 9, 2015
    Date of Patent: December 18, 2018
    Assignee: Samsung Electronics Co., Ltd
    Inventors: Hyoungjoo Lee, Taeyoon Kim, Mingyu Kang, Youngpo Lee, Chaiman Lim, Dukhyun Chang
  • Patent number: 9794874
    Abstract: An electronic device, a gateway device, and signal transmission and reception methods thereof are provided. The electronic device includes a communication unit and a control unit. The communication unit is configured to transmit and to receive a signal to and from another communication entity. The control unit is configured to determine whether to activate a wireless local area network (WLAN), and to transmit information about activation or deactivation of the WLAN to a packet data network so as to maintain a created channel and authentication for data transmission and reception.
    Type: Grant
    Filed: October 26, 2015
    Date of Patent: October 17, 2017
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Dukhyun Chang, Chaeman Lim, Jungwoo Lee, Hyoungjoo Lee
  • Publication number: 20170078913
    Abstract: An electronic device and a method for controlling transmission control protocol are provided. The electronic device includes a communication circuit, a processor electrically connected to the communication circuit, and a memory electrically connected to the processor. The processor is configured to control for setting a receive window size reference value based on a measured packet round trip time (RTT), identifying a physical layer parameter related to a wireless channel of another electronic device that is different from the electronic device, determining the receive window size based on the physical layer parameter and the reference value, and transmitting the determined receive window size to the other electronic device during transmission of a response message in accordance with data reception.
    Type: Application
    Filed: September 13, 2016
    Publication date: March 16, 2017
    Inventors: Dukhyun CHANG, Taeyoon KIM, Chaiman LIM
  • Publication number: 20160162016
    Abstract: A method and apparatus are provided for controlling multiple processors in order to reduce current consumption in electronic device. An electronic device includes an application processor (AP) configured to control a plurality of functions; a communication processor (CP) electronically connected to the AP; and a sensor module or a communication module electronically connected to the CP. When the AP enters a sleep state, the CP is configured to control at least one function among the plurality of functions based on information collected from the sensor module or the communication module according to a discontinuous reception (DRX) operating period.
    Type: Application
    Filed: December 9, 2015
    Publication date: June 9, 2016
    Inventors: Hyoungjoo LEE, Taeyoon Kim, Mingyu Kang, Youngpo Lee, Chaiman Lim, Dukhyun Chang
  • Publication number: 20160119870
    Abstract: An electronic device, a gateway device, and signal transmission and reception methods thereof are provided. The electronic device includes a communication unit and a control unit. The communication unit is configured to transmit and to receive a signal to and from another communication entity. The control unit is configured to determine whether to activate a wireless local area network (WLAN), and to transmit information about activation or deactivation of the WLAN to a packet data network so as to maintain a created channel and authentication for data transmission and reception.
    Type: Application
    Filed: October 26, 2015
    Publication date: April 28, 2016
    Inventors: Dukhyun CHANG, Chaeman LIM, Jungwoo LEE, Hyoungjoo LEE