Patents by Inventor Jin Ji

Jin Ji 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).

  • Publication number: 20180112757
    Abstract: The present disclosure relates to a torque converter for vehicle. The torque converter includes a front cover, an impeller configured to rotate and being coupled to the front cover, a turbine disposed to face the impeller, a turbine shell provided in the turbine, a stator disposed between the impeller and the turbine, and a lockup clutch provided with a drive hub connected to the front cover. The lock-up clutch has a drive disc provided in the drive hub, a driven disc coaxially disposed to the drive disc, and a driven hub provided with the driven disc, and a torsional damper comprising a retaining plate disposed between the lock-up clutch and the turbine. Engine torque is transmitted to the retaining plate through the front cover by a frictional contact between the drive disc and the driven disc.
    Type: Application
    Filed: December 8, 2016
    Publication date: April 26, 2018
    Applicant: HYUNDAI MOTOR COMPANY
    Inventors: Jin Mo Park, Pan Seok We, Ho Jin Ji, Myoung Chui Lee, Young Seok Son
  • Patent number: 9876374
    Abstract: A device for controlling a charging voltage, includes: a voltage drop unit configured to drop a voltage by a preset magnitude; a voltage comparison unit configured to compare a charging voltage of a battery with a first reference voltage and to output a path selection signal through an output terminal; a first path configured to connect the battery to a charging power supply; a second path configured to connect the battery to the charging power supply, with the voltage drop unit being interposed between the battery and the charging power supply; and a path selector configured to select one from the first path and the second path according to the path selection signal.
    Type: Grant
    Filed: June 16, 2015
    Date of Patent: January 23, 2018
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Woon-Seong Baek, Kwan-Il Oh, Buang-Ho Park, Se-Jin Ji, Hyeon-Cheol Jeong, Sang-Kyou Kim
  • Publication number: 20180010675
    Abstract: A damper of a torque converter for a vehicle may include a front cover, an impeller rotatably coupled to the front cover, a turbine disposed facing the impeller, a reactor disposed between the impeller and the turbine for changing flow of oil transferred from the turbine toward the impeller, a driving disk assembled to a driving hub connected to the front cover, a driven hub to which a driven disk is assembled, a turbine shell connected to a turbine hub transferring torque to a transmission, and a driven plate connected to the turbine shell.
    Type: Application
    Filed: December 8, 2016
    Publication date: January 11, 2018
    Applicant: Hyundai Motor Company
    Inventors: Jin Mo PARK, Kang Soo SEO, Young Seok SON, Ho Jin JI, Myoung Chul LEE, Pan Seok WE
  • Patent number: 9812104
    Abstract: An electronic device is provided. The electronic device includes a display; a memory for storing at least one audio signal; a communication circuit configured to establish wireless communication with an external device; and a processor electrically connected with the display, the memory, and the communication circuit, wherein the memory stores instructions for, when executed, causing the processor to: produce the at least one audio signal, receive data associated with a gesture through the communication circuit from the external device apply a sound effect, selected based at least in part on the data associated with the gesture, to the produced at least one audio source, and output or store a resulting audio signal, wherein the resulting audio signal represents application of the sound effect to the produced at least one audio signal.
    Type: Grant
    Filed: August 1, 2016
    Date of Patent: November 7, 2017
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Eun Jung Seo, Se Jin Ji, Dong Guen Hong, Tae Min Cho, In Su Park, Hye In Park, Du Yeol Lee, Bo Ra Lee, Eun Yeung Lee, Cheong Jae Lee
  • Patent number: 9787125
    Abstract: A battery management system and a method of driving the same are provided. When the output signal of a charger is higher than a first voltage, a battery cell is charged with a first current by a first charge circuit. When the output signal of the charger is higher than a second voltage, a battery cell is charged with a second current by a second charge circuit. The second voltage is higher than the first voltage and second current is higher than the first current.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: October 10, 2017
    Assignee: SAMSUNG SDI CO., LTD.
    Inventor: Se-Jin Ji
  • Patent number: 9691940
    Abstract: A nitride semiconductor structure including a substrate, a cap layer, a nucleation layer, a transition layer and a composite buffer structure is provided. The cap layer is located on the substrate. The nucleation layer is located between the substrate and the cap layer. The transition layer is located between the nucleation layer and the cap layer, wherein the transition layer is an AlxGaN layer. The composite buffer structure is located between the transition layer and the cap layer. The composite buffer structure includes a first composite buffer layer, wherein the first composite buffer layer includes a plurality of first AlyGaN layers and a plurality of first GaN layers alternately stacking with each other, and the x is equal to the y.
    Type: Grant
    Filed: May 6, 2016
    Date of Patent: June 27, 2017
    Assignee: Episil-Precision Inc.
    Inventors: Chih-Wei Hu, Jin-Ji Dai, Jung Hsuan
  • Publication number: 20170047053
    Abstract: An electronic device is provided. The electronic device includes a display; a memory for storing at least one audio signal; a communication circuit configured to establish wireless communication with an external device; and a processor electrically connected with the display, the memory, and the communication circuit, wherein the memory stores instructions for, when executed, causing the processor to: produce the at least one audio signal, receive data associated with a gesture through the communication circuit from the external device apply a sound effect, selected based at least in part on the data associated with the gesture, to the produced at least one audio source, and output or store a resulting audio signal, wherein the resulting audio signal represents application of the sound effect to the produced at least one audio signal.
    Type: Application
    Filed: August 1, 2016
    Publication date: February 16, 2017
    Inventors: Eun Jung SEO, Se Jin JI, Dong Guen HONG, Tae Min CHO, In Su PARK, Hye In PARK, Du Yeol LEE, Bo Ra LEE, Eun Yeung LEE, Cheong Jae LEE
  • Publication number: 20160329462
    Abstract: A nitride semiconductor structure including a substrate, a cap layer, a nucleation layer, a transition layer and a composite buffer structure is provided. The cap layer is located on the substrate. The nucleation layer is located between the substrate and the cap layer. The transition layer is located between the nucleation layer and the cap layer, wherein the transition layer is an AlxGaN layer. The composite buffer structure is located between the transition layer and the cap layer. The composite buffer structure includes a first composite buffer layer, wherein the first composite buffer layer includes a plurality of first AlyGaN layers and a plurality of first GaN layers alternately stacking with each other, and the x is equal to the y.
    Type: Application
    Filed: May 6, 2016
    Publication date: November 10, 2016
    Inventors: Chih-Wei Hu, Jin-Ji Dai, Jung Hsuan
  • Patent number: 9462432
    Abstract: A terminal device includes a message generation unit configured to generate an instant message according to a user command and a communication unit configured to transmit the instant message to another terminal device. A header of the instant message includes a field in which is inserted display identification information indicating whether or not to display the instant message on a display screen.
    Type: Grant
    Filed: June 3, 2014
    Date of Patent: October 4, 2016
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Byung Wuk Jeon, Myoung Jin Ji
  • Patent number: 9461294
    Abstract: A battery pack including: a plurality of battery cells; a case configured to accommodate the battery cells spaced from one another at an interval; and at least one tab configured to electrically connect the plurality of battery cells, and a terminal coupling portion is formed at a side of the tab.
    Type: Grant
    Filed: September 4, 2014
    Date of Patent: October 4, 2016
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Woon-Seong Baek, Sang-Il Yi, Se-Jin Ji
  • Publication number: 20160284345
    Abstract: Disclosed are a system for grasping keyword extraction based speech content on recorded voice data, an indexing method using the system, and a method for grasping speech content. An indexing unit receives voice data, performs per-frame voice recognition with reference to a phoneme to form a phoneme lattice, generates divided indexing information for a frame of a limited time configured with a plurality of frames, and stores the same in an indexing database, the divided indexing information including a phoneme lattice formed for each frame of the limited time.
    Type: Application
    Filed: September 18, 2014
    Publication date: September 29, 2016
    Applicant: SYSTRAN INTERNATIONAL CO., LTD.
    Inventor: Chang Jin JI
  • Publication number: 20160261121
    Abstract: A device for controlling a charging voltage, includes: a voltage drop unit configured to drop a voltage by a preset magnitude; a voltage comparison unit configured to compare a charging voltage of a battery with a first reference voltage and to output a path selection signal through an output terminal; a first path configured to connect the battery to a charging power supply; a second path configured to connect the battery to the charging power supply, with the voltage drop unit being interposed between the battery and the charging power supply; and a path selector configured to select one from the first path and the second path according to the path selection signal.
    Type: Application
    Filed: June 16, 2015
    Publication date: September 8, 2016
    Inventors: Woon-Seong Baek, Kwan-Il Oh, Buang-Ho Park, Se-Jin Ji, Hyeon-Cheol Jeong, Sang-Kyou Kim
  • Patent number: 9416567
    Abstract: A mortise structure of a digital door lock is applicable to a left handed door and a right handed door. The mortise structure is an improved two-way releasable mortise structure which can unlock a latch bolt and a dead bolt by finally converting a rotary force of actuating means into a one-way rotary force even though the actuating means is rotated in an arbitrary direction.
    Type: Grant
    Filed: April 18, 2013
    Date of Patent: August 16, 2016
    Assignees: ELENSYS CO., LTD., SAMSUNG SDS CO., LTD.
    Inventors: Hyoung Jin Ji, Sang Han Lee
  • Publication number: 20160217122
    Abstract: Disclosed is a device for generating an aligned corpus based on unsupervised-learning alignment, and a method thereof, a device for analyzing a destructive expression morpheme using an aligned corpus, and a method for analyzing a morpheme thereof. The morpheme analyzing device includes a knowledge database and an analyzer. The knowledge database includes an aligned corpus for storing a plurality of knowledge information sets used for a per-language morpheme analysis, and stores a morpheme dictionary for storing morpheme information corresponding to a normal expression and normal expression information corresponding to a destructive expression (here, the destructive expression represents an expression that is erroneous in orthography or is not normalized and standardized).
    Type: Application
    Filed: August 27, 2014
    Publication date: July 28, 2016
    Inventor: Chang Jin JI
  • Patent number: 9387775
    Abstract: A system for controlling driving of an electric vehicle including a motor and a method of the same are disclosed. In one aspect, the system includes a battery configured to output a driving current to the motor and a battery capacity calculator configured to determine the remaining battery capacity of the battery. The system also includes a controller configured to limit the driving current to a predetermined current limit value or less when the remaining battery capacity reaches a first predetermined value.
    Type: Grant
    Filed: April 2, 2015
    Date of Patent: July 12, 2016
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Woon-Seong Baek, Se-Jin Ji, Sang-Kyou Kim, Hyeon-Cheol Jeong
  • Publication number: 20160059704
    Abstract: An electric transportation system is disclosed. In one aspect, the system includes a wheel, a rechargeable battery having positive and negative poles, and a motor mechanically connected to the wheel and configured to generate a regeneration charge current, the motor including a coil. The system also includes a motor driver connected to the motor and the battery. The motor driver is configured to discharge the battery during a supply period so as to drive the motor and charge the battery with the regeneration charge current, wherein the motor driver includes a plurality of transistors electrically connected to the negative pole during a break period. The system further includes a controller connected to the motor driver and configured to control the motor driver so as to drive the motor during the supply period and control the motor driver so as to charge the battery during the break period.
    Type: Application
    Filed: September 2, 2015
    Publication date: March 3, 2016
    Inventors: Hyeon-Cheol Jeong, Sang-Kyou Kim, Se-Jin Ji, Woon-Seong Baek
  • Patent number: 9212057
    Abstract: A method for controlling a fuel reformer, capable of generating hydrogen by reforming fuel, comprises: heating a catalyst of the fuel reformer by operating an electric heater formed to enclose the catalyst; supplying fuel and air to the catalyst under a condition of complete combustion; flame-combusting the fuel by igniting an ignition plug installed near a rear end of the catalyst; and shifting the position of the flame combustion to inside of the catalyst, by reducing a supply amount of the fuel and the air, such that temperature of the catalyst is drastically increased.
    Type: Grant
    Filed: June 24, 2013
    Date of Patent: December 15, 2015
    Assignee: AGENCY FOR DEFENSE DEVELOPMENT
    Inventors: Hyun Jin Ji, Sang Hyeon Ha, Sung Baek Cho
  • Publication number: 20150283919
    Abstract: A system for controlling driving of an electric vehicle including a motor and a method of the same are disclosed. In one aspect, the system includes a battery configured to output a driving current to the motor and a battery capacity calculator configured to determine the remaining battery capacity of the battery. The system also includes a controller configured to limit the driving current to a predetermined current limit value or less when the remaining battery capacity reaches a first predetermined value.
    Type: Application
    Filed: April 2, 2015
    Publication date: October 8, 2015
    Inventors: Woon-Seong BAEK, Se-Jin Ji, Sang_Kyou Kim, Hyeon-Cheol Jeong
  • Patent number: 9136543
    Abstract: A battery system (100) having a heating element (124), a thermal switch (130), a battery module (140), and a pin structure (170) is disclosed. The battery system (100) comprises: a battery case (110) forming an internal space; a battery module (140) located in the battery case and including a battery; a heating element structure (120) located in the battery case (110) and increasing the temperature of the battery System by heat generated by an impact; and a pin structure (170) for concentrating and transferring an external impact to a pre determined region of the heating element structure.
    Type: Grant
    Filed: April 24, 2008
    Date of Patent: September 15, 2015
    Assignees: GS Energy Corporation, Agency for Defense Development
    Inventors: Sang-Cheol Nam, Ho-Young Park, Young-Chang Lim, Ki-Chang Lee, Kyu-Gil Choi, Ho-Sung Hwang, Gi-Back Park, Sung-Back Cho, Seung-Ho Kang, Hyun-Jin Ji
  • Publication number: 20150171481
    Abstract: A battery pack includes a bare cell; a case accommodating the bare cell; and a circuit having at least one portion located on a surface of the case adjacent the bare cell, the circuit being electrically coupled to the bare cell.
    Type: Application
    Filed: November 11, 2014
    Publication date: June 18, 2015
    Inventors: Sang-Il Yi, Woon-Seong Baek, Se-Jin Ji