Patents by Inventor Jin-wan Kim

Jin-wan 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).

  • Patent number: 8907597
    Abstract: A battery pack includes: a first battery cell group including at least one high capacity battery cell; and a second battery cell group including at least one high output battery cell and being coupled in parallel to the first battery cell group, wherein the high output battery cell is configured to output a greater current than the high capacity battery cell, the high capacity battery cell is configured to store a greater amount of electric energy compared to the high output battery cell, and the battery pack is configured to operate in one of operational modes including: a high capacity mode for outputting electric energy stored in the first battery cell group; a high output mode for outputting electric energy stored in the second battery cell group; and a mutual charge mode for charging the first battery cell group or the second battery cell group.
    Type: Grant
    Filed: February 3, 2011
    Date of Patent: December 9, 2014
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Jin-Wan Kim, Jong-Woon Yang, Susumu Segawa, Eui-Jeong Hwang, Se-Sub Sim, Han-Seok Yun, Beom-Gyu Kim
  • Patent number: 8865328
    Abstract: A battery pack is disclosed. The battery pack has an analog front end which senses if a failure occurs in a microcontroller, and interrupts charging and discharging of the battery in response to the failure.
    Type: Grant
    Filed: February 28, 2011
    Date of Patent: October 21, 2014
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Beom-Gyu Kim, Susumu Segawa, Eui-Jeong Hwang, Se-Sub Sim, Jong-Woon Yang, Han-Seok Yun, Jin-Wan Kim
  • Patent number: 8854007
    Abstract: A protection circuit of a battery pack capable of detecting the error of a charging device from the battery pack. The protection circuit of the battery pack having a battery cell charged by a charging device, the protection circuit including a charge switch coupled to a high current path (HCP), the charge switch disposed between the battery cell and the charging device charging the battery cell and a controller sensing a voltage or a current of the charging device during a charge stop period stopping a charging of the battery cell and determining whether an error of the charging device occurs according to the voltage or the current of the charging device.
    Type: Grant
    Filed: December 3, 2010
    Date of Patent: October 7, 2014
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Jin-Wan Kim, Susumu Segawa, Eui-Jeong Hwang, Se-Sub Sim, Jong-Woon Yang, Han-Seok Yun, Beom-Gyu Kim
  • Patent number: 8810067
    Abstract: A power supply apparatus is disclosed. The power supply apparatus includes a rechargeable battery and a battery management system (BMS) for managing charging and discharging of the battery. The power supply apparatus is configured to supply an operating power to the BMS from an external power of an external power source when the external power source is in a normal state and is capable of supplying the external power to a load through the power supply apparatus. The power supply apparatus is further configured to supply the operating power to the BMS from electric energy stored in the battery when the external power source is in a state different from the normal state and not capable of supplying the external power to the load through the power supply apparatus.
    Type: Grant
    Filed: January 31, 2011
    Date of Patent: August 19, 2014
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Beom-Gyu Kim, Susumu Segawa, Eui-Jeong Hwang, Se-Sub Sim, Jong-Woon Yang, Han-Seok Yun, Jin-Wan Kim
  • Patent number: 8723479
    Abstract: A battery pack, a charger, and a charging system. The battery pack includes a rechargeable battery, and a protection circuit to control charging and discharging of the battery, wherein the protection circuit includes a micom to output an operating state signal representing an operating state of the micom and a malfunction transferring unit to transfer information on whether the battery is malfunctioning based on the operating state signal. Accordingly, when an error is detected by the protection circuit of the battery pack, charging is stopped, and thus the battery pack may be stably charged.
    Type: Grant
    Filed: February 23, 2011
    Date of Patent: May 13, 2014
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Beom-Gyu Kim, Susumu Segawa, Eui-Jeong Hwang, Se-Sub Sim, Jong-Woon Yang, Han-Seok Yun, Jin-Wan Kim
  • Patent number: 8704488
    Abstract: A battery pack and a method of controlling the same is disclosed. The battery pack determines a cell deviation after the battery pack is fully charged or over-discharged, and thus the battery pack can reduce the cell deviation by performing cell balancing.
    Type: Grant
    Filed: January 21, 2011
    Date of Patent: April 22, 2014
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Han-Seok Yun, Segawa Susumu, Eui-Jeong Hwang, Se-Sub Sim, Jong-Woon Yang, Beom-Gyu Kim, Jin-Wan Kim
  • Publication number: 20140084873
    Abstract: A battery pack includes a secondary battery; and a protection device including: a measurement unit coupled to the secondary battery and configured to measure a temperature and a voltage of the secondary battery; a temperature estimation unit coupled to the measurement unit and configured to estimate a future temperature of the secondary battery; and a charging/discharging unit coupled to the secondary battery and configured to adjust a current or an input voltage applied to the secondary battery based on the future temperature and the voltage of the secondary battery.
    Type: Application
    Filed: August 1, 2013
    Publication date: March 27, 2014
    Applicant: Samsung SDI Co., Ltd.
    Inventors: Se-Sub Sim, Susumu Segawa, Masami Omagari, Yong-Dai Lee, Jin-Wan Kim
  • Patent number: 8669742
    Abstract: A battery pack, a charging system including the battery pack, and a method of controlling the charging system are disclosed. The battery pack includes a plurality of rechargeable battery cells and a protection circuit for protecting the battery cells. The protection circuit includes an analog front end (AFE) integrated circuit (IC) and a microcomputer. The AFE IC is for supplying an operating voltage of a microcomputer to the microcomputer and to a charging device. Thus, when the battery pack is charged, an abnormal operation of the AFE IC can be detected by the charging device and the charging of the battery pack stopped, thereby preventing an explosion of the battery pack.
    Type: Grant
    Filed: February 23, 2011
    Date of Patent: March 11, 2014
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Han-Seok Yun, Segawa Susumu, Eui-Jeong Hwang, Se-Sub Sim, Jong-Woon Yang, Beom-Gyu Kim, Jin-Wan Kim
  • Publication number: 20140055095
    Abstract: A battery pack includes at least one battery cell, a microcomputer having a first voltage measuring terminal, a second voltage measuring terminal, and a reference voltage output terminal, the microcomputer being configured to control recharge and discharge of the at least one battery cell by detecting an abnormality of a reference voltage at the reference voltage output terminal in accordance with first and second voltages at respective first and second voltage measuring terminals, a voltage distribution unit connected between the reference voltage output terminal and a ground, the voltage distribution unit being configured to distribute voltage and to output to the microcomputer a medium voltage as the first voltage, and a voltage measuring unit connected between the reference voltage output terminal and the ground, the voltage measuring unit being configured to output to the microcomputer a forwarding direction voltage of a diode as the second voltage.
    Type: Application
    Filed: January 4, 2013
    Publication date: February 27, 2014
    Applicant: SAMSUNG SDI CO., LTD.
    Inventors: Jin-Wan KIM, Susumu SEGAWA, Se-Sub SIM
  • Publication number: 20130221924
    Abstract: A battery pack and a power generation circuit in the battery pack are disclosed. The battery pack includes a battery cell unit including battery cells connected in series, a charge/discharge switch connected between the battery cell unit and charge/discharge terminals, a charge/discharge controller controlling the charge/discharge switch to charge or discharge the battery cell unit, and a voltage converter electrically connected in parallel to the charge/discharge switch and dropping a voltage of the battery cell unit, and outputting the dropped voltage as power of the charge/discharge controller.
    Type: Application
    Filed: August 14, 2012
    Publication date: August 29, 2013
    Applicant: Samsung SDI Co., Ltd.
    Inventors: Se-Sub Sim, Susumu Segawa, Masami Omagari, Jin-Wan Kim, Young-Shin Cho
  • Patent number: 8513922
    Abstract: A battery pack includes a battery cell, a charge-blocking unit, a voltage sensing and balancing circuit, and a microcomputer, the microcomputer including a controller that detects at least one selected from the group of abnormal analog-to-digital conversion, abnormal voltage, and abnormal temperature of the battery cell, the controller outputting a charge control signal to the charge-blocking unit to inhibit charging of the battery cell.
    Type: Grant
    Filed: November 16, 2010
    Date of Patent: August 20, 2013
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Jong-Woon Yang, Susumu Segawa, In-Kyu Park, Tetsuya Okada, Jin-Wan Kim
  • Patent number: 8498764
    Abstract: An electric vehicle and a method of controlling the electric vehicle are disclosed. In one embodiment, the electric vehicle includes i) a battery configured to provide electric energy to the motor, ii) a remaining energy-amount detector configured to detect a remaining energy-amount of the battery and iii) a manipulation unit configured to receive target information from a user. The vehicle also includes a guide information generator configured to generate driving guide information based at least in part on the remaining energy-amount of the battery and the target information and a display unit configured to display the driving guide information.
    Type: Grant
    Filed: January 21, 2011
    Date of Patent: July 30, 2013
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Han-Seok Yun, Susumu Segawa, Eui-Jeong Hwang, Se-Sub Sim, Jong-Woon Yang, Beom-Gyu Kim, Jin-Wan Kim
  • Publication number: 20120328721
    Abstract: The present invention relates to aloe vera sprout concentrate or extract having cell growth promotion, antioxidant, and anti-allergy effects, and to a skin cell growth promoting, antioxidant, and anti-allergy pharmaceutical composition and functional health food or cosmetics containing the aloe vera sprout concentrate or extract as an active ingredient.
    Type: Application
    Filed: November 16, 2010
    Publication date: December 27, 2012
    Applicants: Hilltop Gardens Inc.
    Inventors: Tae Hyung Jo, Seon Gil Do, Eun Ju Shin, Hye In Jang, Jin Wan Kim, Ghe Whan Ahn, Seung Won Yang, Jin Hee Im, Jeong Bum Nam, Soo Gyeom Kim, Ken Jones
  • Publication number: 20120056598
    Abstract: A battery pack including a plurality of battery cells and a method of controlling the battery pack are provided. The method includes: permanently cutting off charging and discharging paths of the battery pack; and discharging one or more of the battery cells when a condition of which satisfies a reference condition. Therefore, state of the battery pack changes from its failure state to a stable state.
    Type: Application
    Filed: September 1, 2011
    Publication date: March 8, 2012
    Inventors: Jin-Wan Kim, Susumu Segawa, Eui-Jeong Hwang, Se-Sub Sim, Jong-Woon Yang, Han-Seok Yun, Beom-Gyu Kim
  • Publication number: 20120056586
    Abstract: A secondary battery pack is described that is rechargeable and has a large capacity. The secondary pack has multiple battery units and at least one controller. Each battery unit of the battery pack includes a cell unit and a cell balancing system. In one embodiment, the cell balancing system has at least three detachable connections for connecting the cell balancing system to the cell unit, the controller or to other cell balancing units. The connections allow the cell balancing systems to be detached from the battery units and reused.
    Type: Application
    Filed: June 28, 2011
    Publication date: March 8, 2012
    Applicant: Samsung SDI Co., Ltd.
    Inventors: Se-Sub Sim, Susumu Segawa, Eui-Jeong Hwang, Jong-Woon Yang, Han-Seok Yun, Beom-Gyu Kim, Jin-Wan Kim
  • Publication number: 20120032641
    Abstract: A battery pack and a method of controlling the same is disclosed. The battery pack determines a cell deviation after the battery pack is fully charged or over-discharged, and thus the battery pack can reduce the cell deviation by performing cell balancing.
    Type: Application
    Filed: January 21, 2011
    Publication date: February 9, 2012
    Applicant: Samsung SDI Co., Ltd.
    Inventors: Han-Seok Yun, Segawa Susumu, Eui-Jeong Hwang, Se-Sub Sim, Jong-Woon Yang, Beom-Gyu Kim, Jin-Wan Kim
  • Publication number: 20120032643
    Abstract: A battery pack, a charging system including the battery pack, and a method of controlling the charging system are disclosed. The battery pack includes a plurality of rechargeable battery cells and a protection circuit for protecting the battery cells. The protection circuit includes an analog front end (AFE) integrated circuit (IC) and a microcomputer. The AFE IC is for supplying an operating voltage of a microcomputer to the microcomputer and to a charging device. Thus, when the battery pack is charged, an abnormal operation of the AFE IC can be detected by the charging device and the charging of the battery pack stopped, thereby preventing an explosion of the battery pack.
    Type: Application
    Filed: February 23, 2011
    Publication date: February 9, 2012
    Inventors: Han-Seok Yun, Segawa Susumu, Eui-Jeong Hwang, Se-Sub Sim, Jong-Woon Yang, Beom-Gyu Kim, Jin-Wan Kim
  • Publication number: 20120035874
    Abstract: A battery pack includes a battery cell; a protective circuit for protecting the battery cell; a first analog/digital (A/D) converter for converting a voltage of the battery cell into a digital value and outputting the digital value as a first voltage value; a second A/D converter for converting the voltage of the battery cell into another digital value and outputting the another digital value as a second voltage value; and a comparator for comparing the first voltage value with the second voltage value and determining whether A/D conversion of the battery pack is normal or defective according to the comparison.
    Type: Application
    Filed: February 28, 2011
    Publication date: February 9, 2012
    Inventors: Han-Seok Yun, Segawa Susumu, Eui-Jeong Hwang, Se-Sub Sim, Jong-Woon Yang, Beom-Gyu Kim, Jin-Wan Kim
  • Publication number: 20120032639
    Abstract: A battery pack, a charger, and a charging system. The battery pack includes a rechargeable battery, and a protection circuit to control charging and discharging of the battery, wherein the protection circuit includes a micom to output an operating state signal representing an operating state of the micom and a malfunction transferring unit to transfer information on whether the battery is malfunctioning based on the operating state signal. Accordingly, when an error is detected by the protection circuit of the battery pack, charging is stopped, and thus the battery pack may be stably charged.
    Type: Application
    Filed: February 23, 2011
    Publication date: February 9, 2012
    Applicant: SAMSUNG SDI CO., LTD.
    Inventors: Beom-Gyu Kim, Susumu Segawa, Eui-Jeong Hwang, Se-Sub Sim, Jong-Woon Yang, Han-Seok Yun, Jin-Wan Kim
  • Publication number: 20120029744
    Abstract: An electric vehicle and a method of controlling the electric vehicle are disclosed. In one embodiment, the electric vehicle includes i) a battery configured to provide electric energy to the motor, ii) a remaining energy-amount detector configured to detect a remaining energy-amount of the battery and iii) a manipulation unit configured to receive target information from a user. The vehicle also includes a guide information generator configured to generate driving guide information based at least in part on the remaining energy-amount of the battery and the target information and a display unit configured to display the driving guide information.
    Type: Application
    Filed: January 21, 2011
    Publication date: February 2, 2012
    Applicant: Samsung SDI Co., Ltd.
    Inventors: Han-Seok Yun, Susumu Segawa, Eui-Jeong Hwang, Se-Sub Sim, Jong-Woon Yang, Beom-Gyu Kim, Jin-Wan Kim