Patents by Inventor Choong Seob Park

Choong Seob Park 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: 11451183
    Abstract: The present disclosure provides a brushless direct current (BLDC) motor overload detection apparatus. The BLDC motor overload detection apparatus includes a measurer for measuring an electrical angle of the BLDC motor, a determiner for determining whether a difference between the electrical angle measured by the measurer and a mechanical angle of the BLDC motor, estimated through current supplied to the BLDC motor, is within a predetermined range, and a driving controller for control of driving of the BLDC motor according to whether the BLDC motor stalls, determined by the determiner.
    Type: Grant
    Filed: June 20, 2019
    Date of Patent: September 20, 2022
    Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventor: Choong Seob Park
  • Patent number: 11395395
    Abstract: A system for driving a multi-functional light emitting diode (LED) lamp includes a first light source group and a second light source group classified depending on lamp functions, a single LED lamp driving device to regulate an input voltage to a voltage necessary for each lamp function and to apply the voltage to the first light source group and the second light source group, a switching device to control an On/Off state of the first light source group and the second light source group, and a control device to time-division control a time to turn on/off the switching device by internetworking with the LED lamp driving device and to control a light quantity of the first light source group and the second light source group.
    Type: Grant
    Filed: July 7, 2021
    Date of Patent: July 19, 2022
    Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATION, SL CORPORATION
    Inventors: Choong Seob Park, Jin Hyun Kim, So Jeong Kang, Chul Sung Lee, Ga Hee Lee
  • Publication number: 20220117063
    Abstract: A system for driving a multi-functional light emitting diode (LED) lamp includes a first light source group and a second light source group classified depending on lamp functions, a single LED lamp driving device to regulate an input voltage to a voltage necessary for each lamp function and to apply the voltage to the first light source group and the second light source group, a switching device to control an On/Off state of the first light source group and the second light source group, and a control device to time-division control a time to turn on/off the switching device by internetworking with the LED lamp driving device and to control a light quantity of the first light source group and the second light source group.
    Type: Application
    Filed: July 7, 2021
    Publication date: April 14, 2022
    Inventors: Choong Seob Park, Jin Hyun Kim, So Jeong Kang, Chul Sung Lee, Ga Hee Lee
  • Publication number: 20210179015
    Abstract: A device for controlling a vehicle is provided. The device includes an input device for receiving a user input, a state sensing device for sensing a vehicle state change in response to the user input, and a controller configured to determine whether to apply a driving current of an actuator to a switching device based on the vehicle state change.
    Type: Application
    Filed: May 11, 2020
    Publication date: June 17, 2021
    Inventors: Choong Seob Park, Min Jung Bae
  • Patent number: 11031892
    Abstract: The present disclosure provides a brushless direct current (BLDC) motor overload detection apparatus. The BLDC motor overload detection apparatus includes a measurer for measuring a 3-phase current value applied to the BLDC motor to derive a sector value matched with the 3-phase current value, a determiner for determining whether the sector value is normal by comparing the sector value derived by the measurer with a previous sector value that is previously measured, and a driving controller for controlling driving of the BLDC motor according to whether the BLDC motor has a fault, determined by the determiner.
    Type: Grant
    Filed: July 11, 2019
    Date of Patent: June 8, 2021
    Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventor: Choong Seob Park
  • Publication number: 20200169203
    Abstract: The present disclosure provides a brushless direct current (BLDC) motor overload detection apparatus. The BLDC motor overload detection apparatus includes a measurer for measuring a 3-phase current value applied to the BLDC motor to derive a sector value matched with the 3-phase current value, a determiner for determining whether the sector value is normal by comparing the sector value derived by the measurer with a previous sector value that is previously measured, and a driving controller for controlling driving of the BLDC motor according to whether the BLDC motor has a fault, determined by the determiner.
    Type: Application
    Filed: July 11, 2019
    Publication date: May 28, 2020
    Inventor: Choong Seob Park
  • Publication number: 20200169213
    Abstract: The present disclosure provides a brushless direct current (BLDC) motor overload detection apparatus. The BLDC motor overload detection apparatus includes a measurer for measuring an electrical angle of the BLDC motor, a determiner for determining whether a difference between the electrical angle measured by the measurer and a mechanical angle of the BLDC motor, estimated through current supplied to the BLDC motor, is within a predetermined range, and a driving controller for control of driving of the BLDC motor according to whether the BLDC motor stalls, determined by the determiner.
    Type: Application
    Filed: June 20, 2019
    Publication date: May 28, 2020
    Inventor: Choong Seob Park
  • Patent number: 10662887
    Abstract: A fuel mixing occurrence detection device is provided. The device includes a fuel-type identification unit that identifies a type of fuel injected into a vehicle by comparing a fuel pump drive RPM for achieving target fuel pressure with a predetermined reference value upon starting of the vehicle. A communication unit transmits a fuel mixing occurrence to an in-vehicle controller in response to determining that the fuel mixing has occurred.
    Type: Grant
    Filed: December 7, 2018
    Date of Patent: May 26, 2020
    Assignees: Hyundai Motor Company, Kia Motors Company
    Inventors: Il-O Yoon, Min-Jung Bae, Choong-Seob Park
  • Publication number: 20190257262
    Abstract: A fuel mixing occurrence detection device is provided. The device includes a fuel-type identification unit that identifies a type of fuel injected into a vehicle by comparing a fuel pump drive RPM for achieving target fuel pressure with a predetermined reference value upon starting of the vehicle. A communication unit transmits a fuel mixing occurrence to an in-vehicle controller in response to determining that the fuel mixing has occurred.
    Type: Application
    Filed: December 7, 2018
    Publication date: August 22, 2019
    Inventors: Il-O Yoon, Min-Jung Bae, Choong-Seob Park
  • Patent number: 9657668
    Abstract: An injector driver and an operating method thereof are provided in which a driving semiconductor directly controls a brake signal when a brake error occurs in driving an injector, to thus secure a safety function. The injector driver a driving semiconductor configured to transmit an interrupt signal for acknowledging whether a brake signal has been received to a micro-control unit (MCU) when a brake signal is applied. In addition, the driving semiconductor receives a brake signal recognition acknowledgement response signal from the MCU and detects whether the MCU has an error based on the brake signal recognition acknowledgement response signal reception result. Further, the driving semiconductor operates an injector driving signal when the response signal is not received from the MCU for a predetermined period of time.
    Type: Grant
    Filed: January 30, 2014
    Date of Patent: May 23, 2017
    Assignees: Hyundai Motor Company, Kia Motors Corporation, Hyundai Autron Company Ltd.
    Inventors: Choong Seob Park, Ji Haeng Lee, Kang Hee Cho, Doo Jin Jang
  • Patent number: 9458791
    Abstract: A device for correcting injector characteristics includes: an injector-characteristic detection unit that outputs a selection signal by detecting drive characteristics of injectors in response to a selection control signal; a selection control unit that outputs the selection control signal for selecting a factor for deviation correction to the injector-characteristic detection unit; a selection confirmation unit that confirms a variation value of the factor corresponding to the selection signal; a deviation correction unit that calculates a deviation compensation value corresponding to the injector characteristics in response to an output signal of the selection confirmation unit, and thus output a correction signal; a control unit that generates a correction clock in response to the correction signal; and an output drive unit that controls driving of the injectors in response to the correction clock.
    Type: Grant
    Filed: July 25, 2014
    Date of Patent: October 4, 2016
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Choong Seob Park, Ji Haeng Lee, Kang Hee Cho, Doo Jin Jang
  • Patent number: 9458787
    Abstract: A technique for correcting injector characteristics is provided. In particular, a micro control unit is configured to generate a control pulse for controlling the operation of an injector; and a driving semiconductor is configured to detect and calculate a driving characteristic of the injector and compensating for injection timing of the control pulse in accordance with a deviation in injection timing of the injector.
    Type: Grant
    Filed: December 31, 2013
    Date of Patent: October 4, 2016
    Assignees: Hyundai Motor Company, Kia Motors Corporation, Hyundai Autron Company, Ltd.
    Inventors: Choong Seob Park, Hyung Ju Lee, Hak Mo Yoo, Ji Haeng Lee, Doo Jin Jang, Kang Hee Cho, Si Kwang Lee
  • Patent number: 9458788
    Abstract: An injector driver and a method of controlling the injector driver are provided. A defect of a driving channel is detected by enabling an identification of safety inspection for each channel in a driving semiconductor during an idle mode. The injector driver includes a plurality of driving switches that operate an injector and a driving semiconductor that drives of the driving switches. In addition, the driving semiconductor determines a short defect of the injector during an idle mode and detects and stores the defective short in a channel unit.
    Type: Grant
    Filed: March 6, 2014
    Date of Patent: October 4, 2016
    Assignees: Hyundai Motor Company, Kia Motors Corporation, Hyundai Autron Company, Ltd.
    Inventors: Choong Seob Park, Ji Haeng Lee, Kang Hee Cho, Doo Jin Jang
  • Patent number: 9391548
    Abstract: A motor driving device for a vehicle includes a brushless DC (BLDC) motor driving device for optimizing electromagnetic compatibility (EMC). The motor driving device includes: a motor controller that controls driving of a motor in response to an operation of a switching element; and a drive semiconductor that controls a drive current of the motor controller in response to a predetermined register value, and controls electromagnetic compatibility (EMC) tuning by adjusting a switching time of the switching element in response to a drive current that is charged or discharged in or from the motor controller.
    Type: Grant
    Filed: July 11, 2014
    Date of Patent: July 12, 2016
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Choong Seob Park, Ho Deuk Song
  • Publication number: 20160186683
    Abstract: A method for controlling a injector driving of the present invention may include the steps of: blocking fuel supply when it is a first start or first ignition-on of a vehicle, driving an injector for a predetermined time; and studying and controlling an opening time of the injector such that the opening time of the injector according to the properties of the injector follows a reference opening time.
    Type: Application
    Filed: November 9, 2015
    Publication date: June 30, 2016
    Applicant: Hyundai Motor Company
    Inventors: Hyung Ju LEE, Choong Seob PARK, Ji Haeng LEE, Doo Jin JANG, Kang Hee CHO
  • Patent number: 9378076
    Abstract: A serial communication test device, a system including the same, and a method thereof are provided, which relate to a technology that allows a master chip and a slave ship for Serial Peripheral Interface (SPI) communication to double-check data to increase reliability. The serial communication test device includes an interface that is configured to transmit and receive data to and from an external chip. A controller is configured to store data to be error-checked in a register to output the stored data to the external chip through the interface and to store data received from the external chip through the interface in a data storage unit. The controller compares the data stored in the register with the data stored in the data storage unit and determines whether the data stored in the register is substantially similar to data to be error-checked.
    Type: Grant
    Filed: March 11, 2014
    Date of Patent: June 28, 2016
    Assignees: Hyundai Motor Company, Kia Motors Corporation, Hyundai Autron Company Ltd.
    Inventors: Choong Seob Park, Ji Haeng Lee, Kang Hee Cho, Doo Jin Jang
  • Patent number: 9367377
    Abstract: An apparatus and method for monitoring multiple micro-cores enable one watchdog to monitor a plurality of micro-cores. The multiple micro-core monitoring apparatus includes: a plurality of micro-cores that periodically output clear signals having different pulse waves; and a watchdog that respectively receives the clear signals having different pulse waves so as to determine presence or absence of an error in the micro-cores, and reset an erroneous micro-core.
    Type: Grant
    Filed: April 18, 2014
    Date of Patent: June 14, 2016
    Assignees: Hyundai Motor Company, Kia Motors Corporation, Hyundai Autron Company, Ltd.
    Inventors: Choong Seob Park, Hyung Ju Lee, Hak Mo Yoo, Ji Haeng Lee, Doo Jin Jang, Kang Hee Cho, Si Kwang Lee
  • Publication number: 20150361918
    Abstract: A device for controlling a fuel injector driving is disclosed, which relates to a technology for enabling a drive semiconductor to actively control a drive current in response to a load condition of an output terminal of an injector when an injector for fuel injection is driven. The device for controlling a fuel injector includes: a micro control unit (MCU) configured to generate a drive signal for controlling a fuel injector operation; a drive semiconductor configured to sense a current flowing in the fuel injector, to measure a time period at which the sensed current arrives at a target current value, and to change a drive current setting value of a current driver in response to a result of a comparison between the measured time period and a predetermined time period; and an injector driver configured to operate the fuel injector in response to an output current of the current driver.
    Type: Application
    Filed: October 6, 2014
    Publication date: December 17, 2015
    Inventors: Choong Seob PARK, Hyung Ju LEE, Hak Mo YOO, Ji Haeng LEE, Doo Jin JANG, Kang Hee CHO, Young Jae KIM
  • Publication number: 20150275814
    Abstract: A device for correcting injector characteristics includes: an injector-characteristic detection unit that outputs a selection signal by detecting drive characteristics of injectors in response to a selection control signal; a selection control unit that outputs the selection control signal for selecting a factor for deviation correction to the injector-characteristic detection unit; a selection confirmation unit that confirms a variation value of the factor corresponding to the selection signal; a deviation correction unit that calculates a deviation compensation value corresponding to the injector characteristics in response to an output signal of the selection confirmation unit, and thus output a correction signal; a control unit that generates a correction clock in response to the correction signal; and an output drive unit that controls driving of the injectors in response to the correction clock.
    Type: Application
    Filed: July 25, 2014
    Publication date: October 1, 2015
    Inventors: Choong Seob Park, Ji Haeng Lee, Kang Hee Cho, Doo Jin Jang
  • Publication number: 20150249407
    Abstract: A motor driving device for a vehicle includes a brushless DC (BLDC) motor driving device for optimizing electromagnetic compatibility (EMC). The motor driving device includes: a motor controller that controls driving of a motor in response to an operation of a switching element; and a drive semiconductor that controls a drive current of the motor controller in response to a predetermined register value, and controls electromagnetic compatibility (EMC) tuning by adjusting a switching time of the switching element in response to a drive current that is charged or discharged in or from the motor controller.
    Type: Application
    Filed: July 11, 2014
    Publication date: September 3, 2015
    Inventors: Choong Seob Park, Ho Deuk Song