Patents by Inventor Eun Cha

Eun Cha 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).

  • VEHICLE CONNECTED TO BUILDING AND VEHICLE-BUILDING CONNECTION SYSTEM
    Publication number: 20200338994
    Abstract: A vehicle connected to a building and a vehicle-building connection system are disclosed. The vehicle includes a door, a vehicle energy storage unit configured to supply driving energy of the vehicle, a vehicle energy connection unit configured to exchange energy between the building and the vehicle energy storage unit, a data connection unit configured to transmit and receive data to and from the building, and a vehicle controller configured to execute any one or more of a connection mode, an energy mode, or a data mode according to an access level with the building.
    Type: Application
    Filed: October 16, 2019
    Publication date: October 29, 2020
    Inventors: Dong Eun CHA, Jin Ho HWANG, Sang Heon LEE
  • MOBILE CARRIER
    Publication number: 20200338993
    Abstract: A mobile carrier includes a carrier controller configured to check an amount of charge of a main battery of a vehicle through communication with a vehicle controller, to check an amount of charge of a carrier battery, to compare the amounts of charge of the main battery and the carrier battery when the carrier is installed in the vehicle and to control mutual charging of the main battery and the carrier battery.
    Type: Application
    Filed: October 2, 2019
    Publication date: October 29, 2020
    Inventors: Jin Ho Hwang, Dong Eun Cha, Sang Heon Lee
  • MOBILITY CONNECTION SYSTEM
    Publication number: 20200338939
    Abstract: A mobility connection system including a left driveshaft and a right driveshaft having an internally hollow shaft shape, and connected to a left wheel portion and a right wheel portion, respectively; a connection shaft having a shaft shape provided inside the left driveshaft or inside the right driveshaft, and slid to the outside of a vehicle to be inserted into and coupled to the inside of the driveshaft of another vehicle which is disposed adjacent to the side thereof when the vehicle is laterally coupled to another vehicle; and a wheel detecting sensor provided at the left side or the right side of the vehicle, and for detecting whether the driveshafts facing each other when the vehicle is coupled to another vehicle have been aligned with each other or the spacing distance therebetween is formed.
    Type: Application
    Filed: November 4, 2019
    Publication date: October 29, 2020
    Applicants: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Sang Heon Lee, Jin Ho Hwang, Dong Eun Cha
  • Method for detecting foreign object, wireless power transfer control apparatus, and wireless power transfer apparatus using the same
    Patent number: 10819162
    Abstract: A method for detecting a foreign object between a transmission pad and a reception pad for wireless power transfer (WPT) may comprise steps of performing a zero phase angle (ZPA) control for a power transfer converter included in or connected to the transmission pad; detecting a characteristic parameter with respect to at least one of an input current and a switching frequency of the power transfer converter; and determining whether or not a foreign object exists between the transmission pad and the reception pad according to whether the characteristic parameter with respect to at least one of the input current and the switching frequency deviates from an allowable range.
    Type: Grant
    Filed: February 26, 2018
    Date of Patent: October 27, 2020
    Assignees: Hyundai Motor Company, Kia Motors Corporation, Research & Business Foundation Sungkyunkwan University
    Inventors: Woo Young Lee, Gyu Yeong Choe, Jae Eun Cha, Byoung Kuk Lee, Min Kook Kim, Min Jung Kim, Dong Myoung Joo, Jong Eun Byun
  • INTEGRATED CONVERTER WITH HIGH VOLTAGE CHARGER AND LOW VOLTAGE CHARGER
    Publication number: 20200336080
    Abstract: An integrated converter is provided. The integrated converter includes a high-voltage charger having a power factor correction (PFC) device configured to compensate a low-frequency ripple and convert an alternating current (AC) voltage of a commercial power source into a direct current (DC) voltage. A first switching module is configured to convert the DC voltage output from the PFC device into an AC voltage and charge a high-voltage battery using the commercial power source and a low-voltage charger that is connected between the PFC device and the first switching module and the high-voltage charger configured to charge a low-voltage battery using the commercial power source or the high-voltage battery.
    Type: Application
    Filed: July 22, 2019
    Publication date: October 22, 2020
    Inventors: Jin Young Yang, Gyu Yeong Choe, Min Seong Choi, Tae Jong Ha, Young Jin Kim, Jae Eun Cha, Dae Woo Lee, In Yong Yeo
  • CONNECTION SYSTEM FOR HOUSE AND VEHICLE
    Publication number: 20200324630
    Abstract: A connection system for a house and a vehicle, may include a vehicle door provided in the vehicle to open or close a vehicle entrance through which a passenger enters or exits the vehicle and allowing an internal space of the vehicle to be exposed into the house when authenticated by the house; and a hatch provided in a house entrance on a side wall of the house to selectively couple the house entrance and the vehicle entrance with each other so that an internal space of the vehicle and an internal space of the house are connected to each other in a state that the vehicle door is open when the authenticated vehicle is parked on a side of the house entrance.
    Type: Application
    Filed: August 14, 2019
    Publication date: October 15, 2020
    Applicants: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Dong Eun Cha, Jin Ho Hwang, Sang Heon Lee
  • Method for detecting foreign object, wireless power transfer control apparatus, and wireless power transfer apparatus using the same
    Patent number: 10804749
    Abstract: A method for detecting a foreign object between a transmission pad and a reception pad for wireless power transfer (WPT) may comprise: performing, by a processor, a zero phase angle (ZPA) control for a power transfer converter included in or connected to the transmission pad; detecting, by the processor, a phase difference between an input current and an input voltage of the power transfer converter; and determining, by the processor, whether or not the foreign object exists between the transmission pad and the reception pad by comparing the phase difference with a reference value.
    Type: Grant
    Filed: March 8, 2018
    Date of Patent: October 13, 2020
    Assignees: Hyundai Motor Company, Kia Motors Corporation, Research & Business Foundation Sungkukwan University
    Inventors: Woo Young Lee, Gyu Yeong Choe, Jae Eun Cha, Min Jung Kim, Byoung Kuk Lee, Min Kook Kim, Sang Joon Ann, Jong Eun Byun
  • MOBILITY UNIT
    Publication number: 20200317280
    Abstract: A mobility unit may include a driving portion connected to a driveshaft of a vehicle for providing driving force to the vehicle, a rear glass portion provided at a rear portion of the vehicle to be operable to isolate the rear portion of the vehicle, a front connection portion or a rear connection portion provided at the front or at the rear of the vehicle to be fastened to another vehicle, and an integrated controller for controlling the operation of the front connection portion or the rear connection portion depending on the direction in which the vehicle is coupled to another vehicle and controlling the operation of the rear glass portion and the driving portion when the vehicle is coupled to another vehicle.
    Type: Application
    Filed: September 27, 2019
    Publication date: October 8, 2020
    Applicants: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Sang Heon LEE, Jin Ho HWANG, Dong Eun CHA
  • Thin film transistor panel and liquid crystal display using the same
    Patent number: 10788692
    Abstract: An LCD device includes a transmissive LCD panel assembly, a backlight assembly for supplying light to the LCD panel assembly, and a selective reflection film provided between the backlight assembly and the LCD panel assembly. A display region of the LCD has a low-resolution area and a high-resolution area, and a pixel formed in the low-resolution area that is larger than a pixel formed in the high-resolution area.
    Type: Grant
    Filed: November 20, 2009
    Date of Patent: September 29, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Kee-Han Uh, Hyung-Guel Kim, Sang-Woo Kim, Seung-Kyu Lee, Bo-Young An, Won-Sang Park, Jae-Hyun Kim, Hae-Young Yun, Jae-Young Lee, Poundaleva Irina, Sung-Eun Cha, Young-Joo Chang, Jae-Ik Lim, Ki-Hun Jeong
  • CONNECTION SYSTEM FOR VEHICLE AND HOUSE
    Publication number: 20200276907
    Abstract: A connection system for a vehicle and a house is provided. The system forms a space in which the interior of the vehicle and the interior of the house are connected, when the vehicle and the house are connected with both a door of the vehicle and an entrance of the house open.
    Type: Application
    Filed: July 23, 2019
    Publication date: September 3, 2020
    Applicants: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Sang Heon Lee, Jin Ho Hwang, Dong Eun Cha
  • Motor driving and battery charging apparatus and vehicle
    Patent number: 10744898
    Abstract: A motor driving and battery charging apparatus is provided. The apparatus includes a motor having a plurality of coils, a rectifier circuit connected to the plurality of coils, and a high voltage battery. An inverter generates a driving current from an output voltage of the high voltage battery and supplies the driving current to the motor while the motor operates. While the high voltage battery is charged, the rectifier circuit rectifies an alternating current (AC) of an external power source, the motor and the inverter compensate for a power factor of the current rectified by the rectifier circuit, and the high voltage battery is charged with an output current of the motor and the inverter.
    Type: Grant
    Filed: November 30, 2017
    Date of Patent: August 18, 2020
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Jin Myeong Yang, Woo Young Lee, Jun Ho Kim, Sihun Yang, Youngjin Kim, Jae Eun Cha, Dae Woo Lee, Inyong Yeo
  • RECOVERY METHOD OF AUTOMOBILE PANEL USING SHAPE MEMORY POLYMER
    Publication number: 20200238643
    Abstract: A method of recovering a vehicle panel using a shape memory polymer, may include: applying an impact load to a panel of a shape memory polymer material at a temperature equal to or lower than a glass transition temperature; removing the impact load from the panel; providing a high-temperature environment at the glass transition temperature or greater than the glass transition temperature to the panel; and cooling the panel to room temperature.
    Type: Application
    Filed: October 10, 2019
    Publication date: July 30, 2020
    Applicants: Hyundai Motor Company, Kia Motors Corporation, Sogang University Research & Business Development Foundation
    Inventors: Dong-Eun CHA, Young-Wan KIM, Dong-Choul KIM
  • Apparatus for detecting defect and method for detecting defect using the same
    Patent number: 10712317
    Abstract: The present disclosure relates to an apparatus for detecting a defect and a method for detecting a defect using the same, and more particularly, to an apparatus for detecting a defect and a method for detecting a defect using the same for detecting a defect inside an inspection object without destructing the inspection object. An apparatus for detecting a defect according to an embodiment of the present invention includes a first probe unit configured to transmit a signal into an inspection object and receive a signal generated inside the inspection object, a second probe unit separately installed from the first probe unit and configured to receive the signal generated inside the inspection object, and a position determining unit configured to detect a defect position inside the inspection object using the signal received by the first probe unit and the signal received by the second probe unit.
    Type: Grant
    Filed: August 8, 2017
    Date of Patent: July 14, 2020
    Inventors: Dong Hwan Shin, Ye Ji Shin, Seung Eun Cha
  • Front active spoiler apparatus for vehicle
    Patent number: 10703424
    Abstract: A front active spoiler apparatus for a vehicle may include a spoiler housing fixed to a front end module and having a duct protruding forwards and configured to guide air flow; a spoiler lip configured to operate to open or close the duct; an actuator configured to connect the spoiler housing and the spoiler lip to operate the spoiler lip; and a controller configured to control the operation of the actuator using vehicle speed information.
    Type: Grant
    Filed: October 10, 2018
    Date of Patent: July 7, 2020
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Jin Young Yoon, Hyun Kyung Kim, Seung Hyeok Chang, Ki Hong Lee, Dong Eun Cha
  • COMBINABLE AND DETACHABLE VEHICLE AND METHOD FOR CONTROLLING THE SAME
    Publication number: 20200189340
    Abstract: A combinable and detachable vehicle includes: a front connecting portion and a rear connecting portion provided at a front portion and a rear portion of a vehicle, respectively, and connected to another vehicle when the vehicle is combined with the other vehicle; a front monitoring portion and a rear monitoring portion monitoring a forward area and a rearward area of the vehicle, respectively; and a controller determining whether the other vehicle is connected to the front connecting portion or the rear connecting portion of the vehicle based on information received from the front connecting portion or the rear connecting portion, or the front monitoring portion or the rear monitoring portion, and controlling whether to operate each of a front component and a rear component of the vehicle depending on a direction of the vehicle is connected to the other vehicle.
    Type: Application
    Filed: May 9, 2019
    Publication date: June 18, 2020
    Inventors: Dong Eun CHA, Jin Ho HWANG, Sang Heon LEE
  • USER-ASSEMBLABLE VEHICLE
    Publication number: 20200180706
    Abstract: A user-assemblable vehicle including: a platform module forming a bottom surface of the vehicle, and including a floor part provided with a power driving part and front and rear wheel parts provided on front and rear parts of the floor part, respectively; a front module coupled to a front part of the platform module to form a front part of the vehicle; a rear module coupled to a rear part of the platform module to form a rear part of the vehicle; and a cabin module having a space for accommodating passengers, being coupled to a rear end of the front module at a front end and coupled to a front end of the rear module at a rear end, and supported by the floor part of the platform module at a lower end when the cabin module slides from a side to an opposite side of the vehicle.
    Type: Application
    Filed: April 2, 2019
    Publication date: June 11, 2020
    Inventors: Dong Eun CHA, Jin Ho HWANG, Sang Heon LEE
  • METHOD OF MANUFACTURING MOLDED PRODUCT AND RADIATOR GRILLE USING THE SAME
    Publication number: 20200157698
    Abstract: A method of manufacturing a molded product includes: performing molding for forming a product; performing insulation for coating an insulation material on a plating-unnecessary region of the product, excluding a plating-necessary region of the product, after mounting the product on a masking jig for plating formed to cover the plating-necessary region of the product and to expose the plating-unnecessary region of the product; and performing plating for forming a plating layer on the plating-necessary region, excluding the plating-unnecessary region coated with the insulation material, by electroplating the product coated with the insulation material.
    Type: Application
    Filed: March 27, 2019
    Publication date: May 21, 2020
    Applicants: Hyundai Motor Company, Kia Motors Corporation, SAM SHIN CHEMICAL CO., LTD.
    Inventors: Jin Young YOON, Hyun Kyung KIM, Dong Eun CHA, Seung Hyeok CHANG, Ki Hong LEE, Hae Chang LEE, Sun Young PARK, Jun Hee CHO
  • APPARATUS FOR DETECTING DEFECT AND METHOD FOR DETECTING DEFECT USING THE SAME
    Publication number: 20200011836
    Abstract: The present disclosure relates to an apparatus for detecting a defect and a method for detecting a defect using the same, and more particularly, to an apparatus for detecting a defect and a method for detecting a defect using the same for detecting a defect inside an inspection object without destructing the inspection object. An apparatus for detecting a defect according to an embodiment of the present invention includes a first probe unit configured to transmit a signal into an inspection object and receive a signal generated inside the inspection object, a second probe unit separately installed from the first probe unit and configured to receive the signal generated inside the inspection object, and a position determining unit configured to detect a defect position inside the inspection object using the signal received by the first probe unit and the signal received by the second probe unit.
    Type: Application
    Filed: August 8, 2017
    Publication date: January 9, 2020
    Inventors: Dong Hwan SHIN, Ye Ji SHIN, Seung Eun CHA
  • FRONT ACTIVE SPOILER APPARATUS FOR VEHICLE
    Publication number: 20190375469
    Abstract: A front active spoiler apparatus for a vehicle may include a spoiler housing fixed to a front end module and having a duct protruding forwards and configured to guide air flow; a spoiler lip configured to operate to open or close the duct; an actuator configured to connect the spoiler housing and the spoiler lip to operate the spoiler lip; and a controller configured to control the operation of the actuator using vehicle speed information.
    Type: Application
    Filed: October 10, 2018
    Publication date: December 12, 2019
    Applicants: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Jin Young YOON, Hyun Kyung KIM, Seung Hyeok CHANG, Ki Hong LEE, Dong Eun CHA
  • METHOD AND APPARATUS FOR CONTROLLING WIRELESS POWER TRANSFER TO ELECTRIC VEHICLE USING BRIDGELESS RECTIFIER
    Publication number: 20190366866
    Abstract: A method for controlling wireless power transfer to an EV using a bridgeless rectifier may include detecting a phase difference between an input voltage of a transmission-side resonance circuit and an output voltage of a reception-side resonance circuit; after detecting the phase difference, predicting a resonance frequency change direction according to a preconfigured design condition; and controlling switching time points of switches included in the bridgeless rectifier in a direction compensating for the predicted change direction.
    Type: Application
    Filed: May 30, 2019
    Publication date: December 5, 2019
    Inventors: Jae Eun Cha, Woo Young Lee, Gyu Yeong Choe, Byoung Kuk Lee, Jong Eun Byun, Sang Joon Ann, Won Jin Son, Jae Han Lee