Patents by Inventor Sang Joon Kim

Sang Joon Kim 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 WITH NEAR-FIELD COMMUNICATION
    Publication number: 20200212961
    Abstract: Disclosed is a near-field communication (NFC) system that includes an NFC supporting apparatus. The NFC supporting apparatus includes a dual coil and a first switch. The dual coil includes an NFC band coil and a radio frequency (RF) band coil. An RF amplitude modulation signal is generated at the RF band coil in response to a transmission from an implantable device. The first switch is configured to switch the NFC band coil based on the RF amplitude modulation signal. The NFC band coil is configured to generate an NFC amplitude modulation signal at an NFC band coil of an NFC reader in response to the first switch.
    Type: Application
    Filed: June 5, 2019
    Publication date: July 2, 2020
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Wonseok LEE, Seok Ju YUN, Sang Joon KIM, Jaechun LEE
  • BIOIMPEDANCE MEASUREMENT METHOD AND APPARATUS WITH ELECTRICAL STIMULATION PERFORMANCE
    Publication number: 20200188676
    Abstract: A method and apparatus for measuring a bioimpedance and performing an electrical stimulation is provided. The method includes generating a first current corresponding to a first high-frequency, generating a second current corresponding to a second high-frequency, generating a low-frequency current based on a beat phenomenon of the first current and the second current, and calculating an impedance of a target part based on a voltage induced to the target part by a high-frequency current corresponding to at least one of the first current and the second current and the low-frequency current.
    Type: Application
    Filed: October 17, 2019
    Publication date: June 18, 2020
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Hyungwoo LEE, Sang Joon KIM, Jongpal KIM
  • CONVERTER DEVICE AND METHOD
    Publication number: 20200195036
    Abstract: A converter and a circuit device including the converter are disclosed. The converter includes an inductor including a first end and a second end, and a switching circuit connected to the inductor. The switching circuit includes a first switch to control a connection between the first end and a battery connected to the converter, a second switch to control a connection between the second end and a current output end configured to output a current generated through the inductor from the battery, a third switch to control a connection between the second end and a voltage output end configured to output a voltage generated from the battery, and a fourth switch to control a connection between the second end and a voltage input end configured to receive a voltage to charge the battery.
    Type: Application
    Filed: October 18, 2019
    Publication date: June 18, 2020
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Seungchul JUNG, Sang Joon KIM, Hankyu LEE, Hyungwoo LEE
  • Wireless power and data transmission system
    Patent number: 10658871
    Abstract: Provided is a wireless power data transmission system that may transmit wireless power and may transmit data using wireless power. A wireless power transmitter may include capacitors, and may convert an electrical connection of the capacitors to a parallel connection for charging. The wireless power transmitter may also convert the electrical connection of at least two of the capacitors to a series connection for discharging.
    Type: Grant
    Filed: May 26, 2016
    Date of Patent: May 19, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ui Kun Kwon, Sang Joon Kim
  • Device, method, and system to recognize motion using gripped object
    Patent number: 10649549
    Abstract: A device, a method, and a system recognize a motion using a gripped object. The motion recognition device may estimate a state of a wrist of a user according to a writing action using the gripped object and may estimate a joint motion of a body part related to the wrist according to the writing action. The device may then estimate a state of the gripped object according to the state of the wrist and the joint motion. Additionally, the motion recognition device may control an external device by using a control signal generated by continuously tracking the state of the object.
    Type: Grant
    Filed: June 6, 2018
    Date of Patent: May 12, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sang Joon Kim, Seung Keun Yoon, Chang Mok Choi
  • Wearable device and communication method using the wearable device
    Patent number: 10652724
    Abstract: A wearable device and a communication method using the wearable device may include recognizing a gesture of a user by sensing at least one of a motion and a biosignal that occur in or around a portion of the user to which the wearable device is attached. A wireless communication connection is established for the wearable device with at least one of an external device, an internal device, or another wearable device based on the recognized gesture. Wireless communication is performed with at least one of the external device and the internal device with which the wireless communication connection is established.
    Type: Grant
    Filed: March 18, 2019
    Date of Patent: May 12, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Seung Keun Yoon, Sang Joon Kim, Chang Mok Choi
  • SIGNAL FILTERING AND SIGNAL PROCESSING APPARATUS AND METHOD
    Publication number: 20200145034
    Abstract: A signal processing method, a signal filtering apparatus, and a signal processing apparatus are provided. An input signal may be input into a filter having a passband, a superfluous signal of the passband may be output from the filter, and a target signal may be obtained by subtracting the superfluous signal from the input signal.
    Type: Application
    Filed: January 3, 2020
    Publication date: May 7, 2020
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ui Kun KWON, Chang Soon PARK, Seungkeun YOON, Sang Joon KIM, Jaechun LEE, Changmok CHOI
  • Wearable biosignal interface and method thereof
    Patent number: 10642359
    Abstract: A wearable biosignal interface, an apparatus for operating an external device, and an operation method of a wearable biosignal interface are provided. A wearable biosignal interface may include a motion sensor configured to obtain a first signal based on a motion of a target, a biosignal sensor disposed on the target and configured to obtain a second signal from the target, and a determination controller configured to determine a validity of the second signal based on the first signal.
    Type: Grant
    Filed: February 5, 2019
    Date of Patent: May 5, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Chang Mok Choi, Sang Joon Kim, Seung Keun Yoon
  • WIRELESS COMMUNICATION APPARATUS AND METHOD
    Publication number: 20200136676
    Abstract: A wireless communication apparatus may include: an oscillator including a coil assembly exposed to an outside of the wireless communication apparatus, a variable capacitor, and a negative resistor; and a phase locking circuit connected to the coil assembly and the negative resistor. The phase locking circuit may be configured to generate a control signal to lock an oscillation frequency of the oscillator based on an oscillation signal generated by the oscillator, and provide the generated control signal to the variable capacitor.
    Type: Application
    Filed: September 11, 2019
    Publication date: April 30, 2020
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Seok Ju YUN, Sang Joon KIM, Joonseong KANG
  • Antenna device including mutually coupled antenna elements
    Patent number: 10629991
    Abstract: An antenna device is disclosed. The antenna device includes a main antenna element and a sub antenna element, the sub antenna element being configured to form a mutual coupling with the main antenna element where a central axis of the sub antenna element forms an angle different from a right angle with a central axis of the main antenna element.
    Type: Grant
    Filed: May 14, 2018
    Date of Patent: April 21, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: JaeChun Lee, Sang Joon Kim, Joonseong Kang, Junyeub Suh, Wonseok Lee
  • FILTER UNIT AND PLATING APPARATUS INCLUDING SAME
    Publication number: 20200086330
    Abstract: Provided is a filter unit including: a cyclone body member which receives fluid introduced thereinto in one direction and has a circular internal sectional shape to form a rotational flow of the fluid; and a discharge member which is disposed on a central upper end portion of the cyclone body member and has a cross section, at least a part of which has a noncircular shape, so as to reduce the rotational flow and then discharge the fluid.
    Type: Application
    Filed: May 23, 2017
    Publication date: March 19, 2020
    Inventors: Kyung-Hoon NAM, Sang-Joon KIM, Kyoung-Pil KO, Tae-Yeob KIM, Mun-Jong EOM
  • SYSTEM AND METHOD FOR ESTIMATING WHEEL SPEED OF VEHICLE
    Publication number: 20200088756
    Abstract: A system and method for estimating a wheel speed of a vehicle are provided. The system includes a wheel speed sensor that detects a rotation speed of a wheel of the vehicle and a longitudinal acceleration sensor that detects a longitudinal acceleration of the vehicle. A controller converts the longitudinal acceleration to a wheel acceleration, compensates for the converted wheel acceleration based on a compensation value obtained using wheel speed information, integrates the compensated wheel acceleration, and calculates a wheel speed estimation value based on the integrated wheel acceleration.
    Type: Application
    Filed: April 26, 2019
    Publication date: March 19, 2020
    Inventors: Ji Won Oh, Jeong Soo Eo, Sang Joon Kim, Lee Hyoung Cho
  • CAMERA MODULE
    Publication number: 20200077000
    Abstract: A camera module includes a housing having a lens module, an aperture module provided above the lens module and including blades that form incident holes having different sizes in multiple stages or successively, a moving part configured to linearly reciprocate to drive the blades, including a driving magnet facing a driving coil, a position sensor configured to sense a position of the moving part according to interaction with the driving magnet, and a controller configured to receive a signal from the position sensor and confirm or correct the position of the moving part.
    Type: Application
    Filed: February 22, 2019
    Publication date: March 5, 2020
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Kyung Hun LEE, Jae Kyung KIM, Bo Sung SEO, Sang Joon KIM, Sung Ryung PARK, Ho Young JOO, Sang Eun PARK, Hwan Jun KANG
  • SINGLE-INDUCTOR MULTIPLE-OUTPUT (SIMO) CONVERTER AND CONTROL METHOD OF SIMO CONVERTER
    Publication number: 20200076298
    Abstract: A single-inductor multiple-output (SIMO) converter includes a converter configured to provide respective voltages of a plurality of channels with a single inductor and a control logic configured to control switches of the converter based on clocks corresponding to the plurality of channels, wherein the control logic is configured to compare an output voltage of a selected channel of the plurality of channels that corresponds to a control target to a reference voltage of the selected channel based on a clock of the selected channel and operate in one of a first mode that adaptively adjusts a number of times that a pulse triggering a power transfer to the channel is generated, and a second mode that blocks a generation of the pulse.
    Type: Application
    Filed: August 28, 2019
    Publication date: March 5, 2020
    Applicants: SAMSUNG ELECTRONICS CO., LTD., Korea Advanced Institute of Science and Technology
    Inventors: Seungchul JUNG, Kye-Seok YOON, Gyu-Hyeong CHO, Sang Joon KIM, Sang Jin LIM
  • User authentication method and apparatus based on electrocardiogram (ECG) signal
    Patent number: 10572637
    Abstract: A user authentication apparatus includes an electrocardiogram (ECG) waveform acquirer configured to acquire an authentication ECG waveform of a user to authenticate the user; a filter configured to filter the authentication ECG waveform using a Kalman filter by applying a reference model parameter extracted from a reference ECG waveform to the Kalman filter; and an authenticator configured to compare the filtered ECG waveform and the reference ECG waveform, and determine whether the filtered authentication ECG waveform corresponds to the reference ECG waveform based on a result of the comparing.
    Type: Grant
    Filed: June 30, 2015
    Date of Patent: February 25, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Chisung Bae, Sang Joon Kim
  • Wireless power transmission system and method based on transmission schedule
    Patent number: 10567038
    Abstract: A wireless power transmission system and method thereof are provided. A power transmission apparatus includes a processor configured to classify reception (RX) nodes into a subset, and to determine a transmission schedule based on the subset; and a transmission (TX) resonator configured to wirelessly transmit energy to an RX node corresponding to the subset, based on the transmission schedule.
    Type: Grant
    Filed: April 14, 2015
    Date of Patent: February 18, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sang Joon Kim, Ui Kun Kwon, Vahid Tarokh
  • Receiver and reception method based on pulse
    Patent number: 10554457
    Abstract: A receiver includes an antenna configured to receive a radio signal, a pulse generator configured to generate a pulse, an oscillator configured to be driven based on the pulse to generate an oscillation signal based on the radio signal, and a measurer configured to be driven by the pulse to measure an oscillation degree of the oscillation signal, wherein the radio signal is received based on the oscillation degree of the oscillation signal.
    Type: Grant
    Filed: August 8, 2018
    Date of Patent: February 4, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Seok Ju Yun, Sang Joon Kim
  • Communication system using wireless power
    Patent number: 10541729
    Abstract: Provided are a devices, systems and methods for performing communication using wireless power. According to one general aspect, a communication device using wireless power may include: a controller configured to control mutual resonance between a target resonator and a source resonator; a demodulator configured to demodulate information transmitted from the source resonator based on an amount of energy received from the source resonator; and a modulator configured to modulate information based on the mutual resonance.
    Type: Grant
    Filed: October 17, 2016
    Date of Patent: January 21, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ui Kun Kwon, Sang Joon Kim
  • Signal filtering and signal processing apparatus and method
    Patent number: 10530404
    Abstract: A signal processing method, a signal filtering apparatus, and a signal processing apparatus are provided. An input signal may be input into a filter having a passband, a superfluous signal of the passband may be output from the filter, and a target signal may be obtained by subtracting the superfluous signal from the input signal.
    Type: Grant
    Filed: July 16, 2019
    Date of Patent: January 7, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ui Kun Kwon, Chang Soon Park, Seungkeun Yoon, Sang Joon Kim, Jaechun Lee, Changmok Choi
  • Method and apparatus for authenticating user using electrocardiogram signal
    Patent number: 10528714
    Abstract: A method and apparatus to authenticate a registered user are described. The method and apparatus include a processor configured to identify a first electrocardiogram (ECG) signal measured from the user, and determine a similarity between the first ECG signal and a second ECG signal based on the identified first ECG signal and the second ECG signal included in a reference ECG signal set. The processor is also configured to determine an authentication threshold corresponding to the reference ECG signal set, and determine whether to authenticate the first ECG signal measured from the user by comparing the determined similarity and the authentication threshold.
    Type: Grant
    Filed: January 10, 2018
    Date of Patent: January 7, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Chao Zhang, Haixiao Liu, Yang Liu, Chisung Bae, Sang Joon Kim