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).

  • Electrocardiographic biometric authentication
    Patent number: 10827952
    Abstract: Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for obtaining an electrocardiographic (ECG) signal of a user; obtaining a feature vector of the ECG signal of the user with neural network based feature extraction. Comparing the feature vector of the ECG signal with a stored feature vector of a registered user. Authenticating the user in response to determining that a similarity of the ECG feature vector of the ECG signal and the stored ECG feature vector of the registered user exceeds a pre-defined threshold value.
    Type: Grant
    Filed: April 28, 2017
    Date of Patent: November 10, 2020
    Assignee: Arizona Board of Regents on behalf of Arizona State University
    Inventors: Shihui Yin, Jae-sun Seo, Sang Joon Kim, Chisung Bae
  • Hybrid electric vehicle and method of controlling engine operation for the same
    Patent number: 10829108
    Abstract: Disclosed are a hybrid electric vehicle, which is capable of controlling engine starting in consideration of entry into a specific area, and method of controlling the same. A method of controlling engine starting of a hybrid vehicle includes determining whether catalyst heating is necessary, determining whether a current location corresponds to a specific area associated with exhaust emissions, determining whether a first mode driving is possible, when it is determined that the current position corresponds to the specific area and the catalyst heating is necessary, and performing the first mode driving when the first mode driving is determined to be possible, or a second mode driving when the first mode driving is determined to be impossible. Here, the first mode driving is performed by using an electric motor, and the second mode driving is performed by using at least an engine.
    Type: Grant
    Filed: December 20, 2017
    Date of Patent: November 10, 2020
    Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Sang Joon Kim, Lee Hyoung Cho, Young Chul Kim, Jea Mun Lee, Dong Ho Yang
  • Signal filtering and signal processing apparatus and method
    Patent number: 10826544
    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: January 3, 2020
    Date of Patent: November 3, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ui Kun Kwon, Chang Soon Park, Seungkeun Yoon, Sang Joon Kim, Jaechun Lee, Changmok Choi
  • Camera module
    Patent number: 10812697
    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: Grant
    Filed: February 22, 2019
    Date of Patent: October 20, 2020
    Assignee: 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
  • Method and apparatus for updating reference verification information used for electrocardiogram signal verification
    Patent number: 10791947
    Abstract: A method to update reference verification information used for electrocardiogram (ECG) signal verification includes: identifying a first ECG signal measured from a user; verifying the first ECG signal by comparing a second ECG signal included in a reference ECG signal set with the first ECG signal; in response to the first ECG signal being successfully verified, setting the successfully verified first ECG signal to be a third ECG signal, and adding the third ECG signal to a verified ECG signal set; and updating the reference ECG signal set by setting the third ECG signal added to the verified ECG signal set to be an additional second ECG signal, based on the reference ECG signal set and the verified ECG signal set.
    Type: Grant
    Filed: January 11, 2018
    Date of Patent: October 6, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Zhang Chao, Liu Yang, Chisung Bae, Sang Joon Kim, Liu Haixiao
  • Apparatus and method for controlling transmission of vehicle
    Patent number: 10759434
    Abstract: An apparatus for controlling a transmission of a vehicle includes a controller which is configured to: set a target vehicle speed of an own vehicle; determine whether to permit a kick down of the transmission of the own vehicle based on the target vehicle speed and a current vehicle speed; determine a target shift stage of the transmission of the own vehicle according to a predetermined transmission pattern based on the current vehicle speed and an open value of an accelerator pedal of the own vehicle; and control the transmission to maintain a current shift stage or to kick down the current shift stage to the target shift stage according to whether to permit the kick down determined by the kick down determination controller when the target shift stage is lower than the current shift stage of the own vehicle.
    Type: Grant
    Filed: December 5, 2017
    Date of Patent: September 1, 2020
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventor: Sang Joon Kim
  • Biosignal processing apparatus and method
    Patent number: 10751002
    Abstract: A biosignal processing apparatus includes a communication interface configured to receive a biosignal, and a processor configured to set a target interval of the biosignal, calculate a quality metric corresponding to the target interval based on a target component that is a frequency component of the target interval corresponding to a set value and a non-target component that is a frequency component of the target interval not corresponding to the set value, and estimate a quality of the biosignal based on the quality metric.
    Type: Grant
    Filed: July 18, 2016
    Date of Patent: August 25, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Chang Soon Park, Ui Kun Kwon, Sang Joon Kim, Changmok Choi
  • Method and apparatus for measuring biosignal
    Patent number: 10743820
    Abstract: A biosignal measuring method and apparatus are provided. The biosignal measuring method includes verifying whether a measured biosignal is in a range, and controlling an operation of the biosignal measuring apparatus when the measured biosignal deviates from the range based on a result of the verifying.
    Type: Grant
    Filed: December 15, 2017
    Date of Patent: August 18, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ui Kun Kwon, Sang Joon Kim, Jong Wook Lee
  • Hybrid vehicle and method of controlling response to driving load for the same
    Patent number: 10710571
    Abstract: A method for controlling a response to driving load of a hybrid vehicle includes: estimating an optimum speed for a current driving situation, estimating a target driving load based on the optimum speed, determining an eco-level corresponding to the target driving load from among a plurality of eco-levels, and changing at least some of an eco-gauge according to the determined eco-level.
    Type: Grant
    Filed: December 19, 2017
    Date of Patent: July 14, 2020
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Sang Joon Kim, Young Chul Kim, Lee Hyoung Cho, Dong Ho Yang
  • Vehicle and method for automatically selecting driving mode of the same
    Patent number: 10703355
    Abstract: A vehicle is controlled such that a driving mode of the vehicle is automatically selected, where the vehicle can be a Plug-In Hybrid Electric Vehicle (PHEV). The vehicle automatically selects an optimum driving mode from among various driving modes capable of being selected by the PHEV according to a driving situation based on a destination established by a driver who uses a navigation system, or recommends various driving modes to the driver, resulting in increased convenience of use. Through selection of an appropriate driving mode, the vehicle can be driven with superior fuel efficiency, resulting in increased driving efficiency.
    Type: Grant
    Filed: June 15, 2018
    Date of Patent: July 7, 2020
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventor: Sang Joon Kim
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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