Patents by Inventor Jong-In Lim

Jong-In Lim 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 for searching multimedia data based on metadata
    Patent number: 7698262
    Abstract: Provided are an apparatus and method for searching multimedia data based on metadata. The apparatus for searching multimedia data includes: a mapping information storing unit for storing and managing mapping information between a Moving Picture Experts Group 7 (MPEG-7) query attribute and an MPEG-7 metadata property; and a query attribute mapping unit for acquiring the MPEG-7 metadata property to be mapped with the MPEG-7 query attribute according to a user query based on the mapping information.
    Type: Grant
    Filed: February 2, 2007
    Date of Patent: April 13, 2010
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Hee-Cheol Seo, Soo-Jun Park, Myung-Gil Jang, Hyun-Ki Kim, Yi-Gyu Hwang, Soo-Jong Lim, Jeong Heo
  • Battery management system and driving method thereof
    Patent number: 7684942
    Abstract: A battery management system and a driving method thereof includes a sensing unit and a micro control unit (MCU). The sensing unit measures a battery temperature and a battery current. The MCU receives the battery temperature and current, detects battery internal resistance corresponding to an estimated state of charge (SOC) and the battery temperature when the estimated SOC is included within an SOC area corresponding to the transmitted battery temperature, and estimates a battery state of health (SOH) by using the battery internal resistance. In the SOC area, a variation of the battery internal resistance is minimized.
    Type: Grant
    Filed: September 6, 2007
    Date of Patent: March 23, 2010
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Han-Seok Yun, Soo-Seok Choi, Young-Jo Lee, Yong-Jun Tae, Se-Wook Seo, Gye-Jong Lim, Beom-Gyu Kim, Ho-Young Park
  • Battery management system and driving method thereof
    Patent number: 7684941
    Abstract: A battery management system to estimate a state of charge of a battery and a driving method thereof includes a sensing unit and a micro control unit. The sensing unit measures a battery voltage. The MCU measures a first time and a second time, detects first and second battery voltages that respectively correspond to the first and second times from the battery voltage, estimates an open circuit voltage by the first and second voltages, and establishes the SOC that corresponds to the OCV.
    Type: Grant
    Filed: September 6, 2007
    Date of Patent: March 23, 2010
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Se-Wook Seo, Soo-Seok Choi, Young-Jo Lee, Yong-Jun Tae, Han-Seok Yun, Gye-Jong Lim, Beom-Gyu Kim
  • Method of color image display for a field sequential liquid crystal display device
    Patent number: 7683880
    Abstract: A method of displaying a color image for a field sequential liquid crystal display device is provided. The method includes dividing a liquid crystal panel into n numbers of driving areas and turning on each of light sources Red, Green and Blue sequentially for every divided driving area. Furthermore, the method includes providing a time interval between driving sections of a previous light source and a next light source.
    Type: Grant
    Filed: March 3, 2006
    Date of Patent: March 23, 2010
    Assignee: LG Display Co., Ltd.
    Inventors: Moo-Jong Lim, Hyung-Ki Hong
  • Battery management system (BMS) and driving method thereof
    Patent number: 7680613
    Abstract: A Battery Management System (BMS) includes a sensing unit and a Micro Control Unit (MCU). The sensing unit measures a battery current, a battery voltage, and a battery temperature. The MCU determines a State of Charge (SOC) reset point based on the measured battery current and voltage. The BMS determines a battery overcharge state using a current integration result after the SOC reset point is reached. The MCU includes an SOC calculator and a full charge determining unit. The SOC calculator transmits a present current integration value upon detecting the SOC reset point. The full charge determining unit receives the present current integration value, integrates the current using the measured battery current, and determines that the battery is being overcharged when the current integration value reaches a predetermined battery rating capacity.
    Type: Grant
    Filed: August 1, 2007
    Date of Patent: March 16, 2010
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Gye-Jong Lim, Soo-Seok Choi, Young-Jo Lee, Yong-Jun Tae, Han-Seok Yun, Se-Wook Seo, Beom-Gyu Kim, Ho-Young Park
  • Method for compensating state of charge of battery, battery management system using the method, and hybrid vehicle having the battery management system
    Patent number: 7679329
    Abstract: In an SOC compensation method, a first SOC having at least two sections is detected, and a first OCV corresponding to the first SOC is calculated; a second OCV is calculated by using the measured pack current and voltage, and an internal resistance, and a second SOC corresponding to the second OCV is calculated; when a difference between the first and second OCVs is greater than a first reference, a first compensation value corresponding to the first SOC among at least two first compensation values corresponding to the two sections is used to compensate the first SOC; and when a difference between the first and second OCVs is less than a second reference, a second compensation value corresponding to the first SOC among at least two second compensation values corresponding to the two sections is used to compensate the first SOC value.
    Type: Grant
    Filed: December 15, 2006
    Date of Patent: March 16, 2010
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Gye-Jong Lim, Han-Seok Yun, Se-Wook Seo
  • BATTERY MANAGEMENT SYSTEM AND DRIVING METHOD THEREOF
    Publication number: 20100055543
    Abstract: A battery management system (BMS) includes at least one sub-BMS and a main BMS. The at least one sub-BMS measures information about a battery, and generates an activation signal according to operating state. The main BMS receives the activation signal and determines the operating state of the at least two sub-BMSs. If the at least two sub-BMSs normally operate, the main BMS generates a synchronization signal and transfers the same to the sub-BMSs. The at least one sub-BMS measures the information about the battery according to the synchronization signal.
    Type: Application
    Filed: December 23, 2008
    Publication date: March 4, 2010
    Applicant: Samsung SDI Co., Ltd.
    Inventors: Yong-Jun TAE, Yusai MURAKAMI, Gye-Jong LIM
  • Battery management system and driving method thereof
    Patent number: 7652449
    Abstract: In a battery management system and a driving method thereof, the system includes a sensor and a micro control unit (MCU). The sensor senses a voltage and a current of a battery, and generates an estimation current of the battery using a result of cumulatively calculating the battery current by a unit of a predetermined period. The MCU receives the battery voltage and the estimation current, sets a voltage of the battery in a key-on state as a first voltage, sets a voltage of the battery after a first period as a second voltage, and calculates an internal resistance of the battery using a difference between the first and second voltages and an average value of the estimation current.
    Type: Grant
    Filed: September 20, 2007
    Date of Patent: January 26, 2010
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Yong-Jun Tae, Soo-Seok Choi, Young-Jo Lee, Han-Seok Yun, Se-Wook Seo, Gye-Jong Lim, Beom-Gyu Kim, Ho-Young Park
  • Method for compensating state of charge of battery and battery management system using the same
    Patent number: 7649338
    Abstract: The present invention relates to a state of charge (SOC) compensation method of a battery and a battery management system using the SOC compensation method. The charge and discharge current of the battery is used to calculate a first SOC and a first voltage corresponding to the first SOC, the charge and discharge current of the battery, the battery pack voltage, and an internal resistance of the battery are used to calculate a rheobasic voltage of the battery, an integration error corresponding to a difference between the first voltage and the rheobasic voltage is calculated, and a SOC compensation factor corresponding to the error is added to or subtracted from the first SOC to determine a more accurate SOC of the battery.
    Type: Grant
    Filed: December 19, 2006
    Date of Patent: January 19, 2010
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Se-Wook Seo, Han-Seok Yun, Gye-Jong Lim
  • CONTROL SIGNAL GENERATION CIRCUIT AND BATTERY MANAGEMENT SYSTEM USING THE SAME
    Publication number: 20100001694
    Abstract: A control signal generating circuit used in a battery management system may stably generate a control signal. The control signal generating circuit includes a first signal line transmitting a first control signal having an on-level or an off-level, a second signal line transmitting a second control signal having an on-level or an off-level, and a third signal line transmitting a third control signal having an on-level or an off-level. In addition, the control signal generating circuit includes a transistor including a first electrode coupled to the first signal line and a second electrode applied with the off-level. The transistor electrically connects the first and second electrodes and converts the first control signal into a fourth control signal by being turned on based on the second and third control signals.
    Type: Application
    Filed: August 14, 2009
    Publication date: January 7, 2010
    Applicant: Samsung SDI Co., Ltd.
    Inventors: Han-Seok Yun, Se-Wook Seo, Gye-Jong Lim
  • BATTERY MANAGEMENT SYSTEM AND DRIVING METHOD THEREOF
    Publication number: 20090319209
    Abstract: A battery management system, and a driving method thereof, includes a sensing unit and an MCU. The sensing unit stores a detection voltage that corresponds to a cell voltage of a first battery among a plurality of battery cells, and measures a current of the battery at an end point of storing of the detection voltage. The MCU controls the sensing unit to measure the battery current at the end point of storing of the detection voltage.
    Type: Application
    Filed: June 24, 2009
    Publication date: December 24, 2009
    Applicant: Samsung SDI Co., Ltd.
    Inventor: Gye-Jong LIM
  • Battery management system (BMS) and driving method thereof
    Patent number: 7634369
    Abstract: A Battery Management System (BMS) and a battery management method include a sensing unit to measure a battery terminal voltage, current, and temperature, and a Main Control Unit (MCU) to compare the measured battery terminal voltage, current, and temperature to a State of Charge (SOC) reset condition and to reset a battery estimate SOC according to the comparison result. The MCU resets the battery estimate SOC to a first reset SOC when the SOC reset condition corresponds to a first SOC and reset the battery estimate SOC at a second reset SOC when the SOC reset condition corresponds to a second SOC.
    Type: Grant
    Filed: August 1, 2007
    Date of Patent: December 15, 2009
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Gye-Jong Lim, Soo-Seok Choi, Young-Jo Lee, Yong-Jun Tae, Han-Seok Yun, Se-Wook Seo, Beom-Gyu Kim, Ho-Young Park
  • Method for compensating state of charge of battery, battery management system using the method, and hybrid vehicle having the battery management system
    Patent number: 7602149
    Abstract: In an SOC compensation method, a first SOC having at least two sections is detected, and a first OCV corresponding to the first SOC is calculated; a second OCV is calculated by using the measured pack current and voltage, and an internal resistance, and a second SOC corresponding to the second OCV is calculated; when a difference between the first and second OCVs is greater than a first reference, a first compensation value corresponding to the first SOC among at least two first compensation values corresponding to the two sections is used to compensate the first SOC; and when a difference between the first and second OCVs is less than a second reference, a second compensation value corresponding to the first SOC among at least two second compensation values corresponding to the two sections is used to compensate the first SOC value.
    Type: Grant
    Filed: December 15, 2006
    Date of Patent: October 13, 2009
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Gye-Jong Lim, Han-Seok Yun, Se-Wook Seo
  • Control signal generation circuit and battery management system using the same
    Patent number: 7593199
    Abstract: A control signal generating circuit used in a battery management system may stably generate a control signal. The control signal generating circuit includes a first signal line transmitting a first control signal having an on-level or an off-level, a second signal line transmitting a second control signal having an on-level or an off-level, and a third signal line transmitting a third control signal having an on-level or an off-level. In addition, the control signal generating circuit includes a transistor including a first electrode coupled to the first signal line and a second electrode applied with the off-level. The transistor electrically connects the first and second electrodes and converts the first control signal into a fourth control signal by being turned on based on the second and third control signals.
    Type: Grant
    Filed: September 7, 2006
    Date of Patent: September 22, 2009
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Han-Seok Yun, Se-Wook Seo, Gye-Jong Lim
  • Battery management system and driving method thereof
    Patent number: 7548821
    Abstract: The present invention relates to a battery management system and method. In some embodiments the battery management system includes a sensing unit and a micro controller unit (MCU). The sensing unit measures the current, the voltage and the temperature of a battery. The MCU receives the voltages, the currents, and the temperatures, calculates an estimated cell voltage, by applying a pack voltage sensing error and the cell voltage deviation to the cell voltages, and calculates an estimated cell resistance, by adding a pack assembly resistance to an internal resistance of the cell, and calculates an pack output of the battery by using the estimated cell voltage and the estimated cell resistance.
    Type: Grant
    Filed: June 29, 2007
    Date of Patent: June 16, 2009
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Yong-Jun Tae, Soo-Seok Choi, Young-Jo Lee, Han-Seok Yun, Se-Wook Seo, Gye-Jong Lim, Beom-Gyu Kim, Ho-Young Park
  • Battery pack
    Publication number: 20080231232
    Abstract: A battery pack is constructed with a plurality of secondary batteries or a plurality of battery assemblies, each having a plurality of unit batteries, and at least one safety switch, which can facilitate precise measurement of the voltages of the plurality of secondary batteries or battery assemblies. The battery pack is constructed with a plurality of secondary batteries, at least one safety switch electrically connected between two adjacent batteries among the plurality of secondary batteries, and a plurality of sensing lines for measuring voltages of the plurality of secondary batteries. The quantity of the sensing lines is equals to a sum of the number of the secondary batteries, and the number of the safety switches, and plus one.
    Type: Application
    Filed: March 18, 2008
    Publication date: September 25, 2008
    Inventors: Se-Wook Seo, Young-Jo Lee, Yong-Jun Tae, Han-Seok Yun, Gye-Jong Lim, Beom-Gyu Kim
  • Battery management system and driving method thereof
    Publication number: 20080224709
    Abstract: In a battery management system and a driving method thereof, the system includes a sensor and a micro control unit (MCU). The sensor senses a voltage and a current of a battery, and generates an estimation current of the battery using a result of cumulatively calculating the battery current by a unit of a predetermined period. The MCU receives the battery voltage and the estimation current, sets a voltage of the battery in a key-on state as a first voltage, sets a voltage of the battery after a first period as a second voltage, and calculates an internal resistance of the battery using a difference between the first and second voltages and an average value of the estimation current.
    Type: Application
    Filed: September 20, 2007
    Publication date: September 18, 2008
    Inventors: Yong-Jun Tae, Soo-Seok Choi, Young-Jo Lee, Han-Seok Yun, Se-Wook Seo, Gye-Jong Lim, Beom-Gyu Kim, Ho-Young Park
  • BROADCAST ENCRYPTION METHOD AND BROADCAST DECRYPTION METHOD THEREOF
    Publication number: 20080152132
    Abstract: A broadcast encryption method and a broadcast decryption method. The broadcast encryption method includes generating a message encryption key using a public key and a secret key generated by using a Strong Diffie-Hellman tuple; encrypting a message by the message encryption key; and generating a message header using a sum of a plurality of Strong Diffie-Hellman tuples corresponding to an authorized user group. Accordingly, a transmission amount and a storage amount can be reduced when a broadcast encryption message is transmitted.
    Type: Application
    Filed: October 12, 2007
    Publication date: June 26, 2008
    Applicants: Samsung Electronics Co., Ltd., Korea University Industrial & Academic Collaboration Foundation
    Inventors: Maeng Hee SUNG, Weon Il Jin, Heejean Kim, Baeeun Jung, Tae-Chul Jung, Jong Hwan Park, Dong Hoon Lee, Jong In Lim, Kyu Young Ohoi, Jung Yeon Hwang
  • Battery management system and driving method thereof
    Publication number: 20080100268
    Abstract: A battery management system of a vehicle utilizing electrical energy and a driving method thereof is provided. The battery management system includes a sensing unit and a main control unit (MCU). The sensing unit detects voltage of a battery cell. MCU determines an operation state of a vehicle, and generates a sampling signal depending on the operation state of the vehicle. The sampling control signal transmits to the sensing unit, and controls the detection of the voltage of the battery cell. The operation state of the vehicle includes a running state and a stopping state.
    Type: Application
    Filed: August 30, 2007
    Publication date: May 1, 2008
    Inventors: Gye-Jong Lim, Soo-Seok Choi, Young-Jo Lee, Yong-Jun Tae, Han-Seok Yun, Se-Wook Seo, Beom-Gyu Kim, Ho-Young Park
  • BATTERY MANAGEMENT SYSTEM AND DRIVING METHOD THEREOF
    Publication number: 20080100265
    Abstract: A battery management system to set an OCV setting of a battery, and a driving method thereof. The battery management system includes a sensing unit and a main control unit (MCU). The sensing unit measures a voltage of a battery. The MCU controls charging/discharging of the voltage of the battery, generates charge/discharge pulse pattern waveforms, measures and stores maximum and minimum voltages value of at least one pulse pattern among the charge/discharge pulse pattern waveforms, and sets an average of the measured voltage to an OCV setting from which an SOC is determined. The battery management system estimates the SOC while a vehicle is operating.
    Type: Application
    Filed: September 10, 2007
    Publication date: May 1, 2008
    Applicant: Samsung SDI Co., Ltd.
    Inventors: Gye-Jong LIM, Soo-Seok Choi, Young-Jo Lee, Yong-Jun Tae, Beom-Gyu Kim, Ho-Young Park, Han-Seok Yun