Patents by Inventor Hun-Tae Ro
Hun-Tae Ro 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).
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Patent number: 11145941Abstract: A battery module is disclosed. In one aspect, the battery module includes a plurality of battery cells arranged in a first direction, and a circuit board placed on upper portions of the battery cells. The battery module also includes a bus bar electrically connecting the battery cells and electrically connected to the circuit board, and a pair of end plates respectively positioned at opposite ends of the battery cells in the first direction. The circuit board includes a connector located at one end of the circuit board and exposed to the exterior of the battery module. The connector is configured to be electrically connected to an external device. At least one of the pair of end plates is formed of a metallic material and includes a connector grounding portion enclosing the connector. The circuit board further includes a connection portion connected to the connector grounding portion.Type: GrantFiled: August 1, 2019Date of Patent: October 12, 2021Assignee: Samsung SDI Co., Ltd.Inventor: Hun Tae Ro
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Publication number: 20190355959Abstract: A battery module is disclosed. In one aspect, the battery module includes a plurality of battery cells arranged in a first direction, and a circuit board placed on upper portions of the battery cells. The battery module also includes a bus bar electrically connecting the battery cells and electrically connected to the circuit board, and a pair of end plates respectively positioned at opposite ends of the battery cells in the first direction. The circuit board includes a connector located at one end of the circuit board and exposed to the exterior of the battery module. The connector is configured to be electrically connected to an external device. At least one of the pair of end plates is formed of a metallic material and includes a connector grounding portion enclosing the connector. The circuit board further includes a connection portion connected to the connector grounding portion.Type: ApplicationFiled: August 1, 2019Publication date: November 21, 2019Inventor: Hun Tae RO
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Patent number: 10128545Abstract: A battery pack has a case which includes accommodating areas for battery cells located between and printed circuit boards (PCBs). Each PCB has openings that correspond to respective accommodating areas. The battery pack also has tabs connected to the battery cells through the openings in the PCBs. First ends of pattern portions of a first PCB are connected to respective tabs of the first PCB, and second ends of the pattern portions are at a first pattern collecting portion in the case. First ends of pattern portions of a second PCB are connected to respective tabs corresponding to the second PCB, and second ends of the pattern portions of the second PCB are at a second pattern collecting portion in the case. A battery management system is connected to the batteries through the first and second PCBs.Type: GrantFiled: December 1, 2015Date of Patent: November 13, 2018Assignee: SAMSUNG SDI CO., LTD.Inventors: Hun Tae Ro, Su Sang Cho
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Patent number: 10059220Abstract: An electric transfer apparatus includes a controller that maintains power to a user interface of an electronic device when a contact failure occurs for a battery pack used to power the electronic device. The power may be maintained by connecting an auxiliary storage to the user interface when the contact failure occurs. A controller may control a switch to selectively connect the user interface to the battery pack or auxiliary storage.Type: GrantFiled: December 2, 2015Date of Patent: August 28, 2018Assignee: SAMSUNG SDI CO., LTD.Inventor: Hun Tae Ro
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Patent number: 9647257Abstract: A battery pack is disclosed. In one aspect, the battery pack includes a plurality of battery cells and a monitoring portion including a plurality of lines respectively electrically connected to the battery cells. The lines include a positive current line, a negative current line, and at least one monitoring line. The battery pack further includes a connector including a plurality of connector pins formed therein, wherein the connector pins are respectively electrically connected to the lines of the monitoring portion, and a protective circuit module accommodating the connector therein. The connector pins have different lengths.Type: GrantFiled: January 21, 2015Date of Patent: May 9, 2017Assignee: Samsung SDI Co., Ltd.Inventors: Hun-Tae Ro, Ji-Hwan Seol
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Publication number: 20160332532Abstract: An electric transfer apparatus includes a driver connected to a battery pack, a user interface connected to the battery pack, an auxiliary storage connected to the user interface, a switch connected between the auxiliary storage and the driver, and a controller to control the battery pack and the switch. The controller controls the switch to be turned off when a contact failure of the battery pack occurs.Type: ApplicationFiled: December 2, 2015Publication date: November 17, 2016Inventor: Hun Tae RO
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Publication number: 20160329606Abstract: A battery pack has a case which includes accommodating areas for battery cells located between and printed circuit boards (PCBs). Each PCB has openings that correspond to respective accommodating areas. The battery pack also has tabs connected to the battery cells through the openings in the PCBs. First ends of pattern portions of a first PCB are connected to respective tabs of the first PCB, and second ends of the pattern portions are at a first pattern collecting portion in the case. First ends of pattern portions of a second PCB are connected to respective tabs corresponding to the second PCB, and second ends of the pattern portions of the second PCB are at a second pattern collecting portion in the case. A battery management system is connected to the batteries through the first and second PCBs.Type: ApplicationFiled: December 1, 2015Publication date: November 10, 2016Inventors: Hun Tae RO, Su Sang CHO
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Publication number: 20150243958Abstract: A battery pack is disclosed. In one aspect, the battery pack includes a plurality of battery cells and a monitoring portion including a plurality of lines respectively electrically connected to the battery cells. The lines include a positive current line, a negative current line, and at least one monitoring line. The battery pack further includes a connector including a plurality of connector pins formed therein, wherein the connector pins are respectively electrically connected to the lines of the monitoring portion, and a protective circuit module accommodating the connector therein. The connector pins have different lengths.Type: ApplicationFiled: January 21, 2015Publication date: August 27, 2015Inventors: Hun-Tae RO, Ji-Hwan Seol
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Publication number: 20150180009Abstract: A battery pack is disclosed. In one aspect, the batter pack includes a core pack including a plurality of secondary batteries, a protection circuit module electrically connected to the core pack, and first and second pieces accommodating the core pack and the protection circuit module, wherein the protection circuit module includes a first connection terminal, a second connection terminal, and a plurality of blocks placed adjacent to each of the first and second connection terminals, and wherein each of the blocks contacts one of the connection terminals so as to force the first and second connection terminals towards each other.Type: ApplicationFiled: November 13, 2014Publication date: June 25, 2015Inventor: Hun-Tae Ro
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Patent number: 9054537Abstract: An Electric tool with a controller for a battery pack and a control method thereof. The electric tool includes a battery pack, an operator and a controller The battery pack includes a plurality of battery cells and a protection circuit module detects and controls a state of charge and discharge of a plurality of battery cells. The operator receives power from the battery pack and converts the received power into physical energy. The controller controls the protection circuit module so as to perform a protection process of the battery pack in a state similar to over-discharge caused in the case in which the power is transferred from the battery pack to the operator and at the same time, the operator does not continuously operate.Type: GrantFiled: August 21, 2012Date of Patent: June 9, 2015Assignee: Samsung SDI Co., Ltd.Inventor: Hun-Tae Ro
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Patent number: 9041359Abstract: A battery pack and an electronic device are disclosed. The battery pack includes a battery for storing electric energy, and a non-contacting discharging unit for receiving the stored electric energy from the battery and for transferring the stored electric energy to a power receiving unit in a non-electrically contacting manner. The electronic device includes a main body and the battery pack. The main body includes a power receiving unit. The battery pack is for mounting to and supplying power to the main body.Type: GrantFiled: February 14, 2012Date of Patent: May 26, 2015Assignee: Samsung SDI Co., Ltd.Inventor: Hun-Tae Ro
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Patent number: 8847552Abstract: A battery pack blocks a current flowing between battery cells coupled in parallel among a plurality of battery cells coupled in series and in parallel while measuring voltages so as to prevent a battery cell in a low-voltage state from being automatically charged through a battery cell coupled in parallel to the battery cell in a low-voltage state, and the battery pack accurately determines whether there is an abnormal battery cell by detecting voltages of battery cells coupled in series, thereby performing accurate measurement.Type: GrantFiled: December 3, 2010Date of Patent: September 30, 2014Assignee: Samsung SDI Co., Ltd.Inventor: Hun-Tae Ro
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Publication number: 20140220403Abstract: A battery pack assembly includes a battery pack and an attachable-detachable portion. The battery pack has a first magnetic portion. The attachable-detachable portion has a second magnetic portion magnetically coupled to the first magnetic portion and attaches and detaches the battery pack. Accordingly, it is possible to provide a battery pack assembly and an electronic device having the same, in which the attachable-detachable portion and the battery pack are coupled to each other using the magnetic coupling between the first and second magnetic portions, so that it is possible to firmly perform coupling between the attachable-detachable portion and the battery pack and to easily separate the battery pack from the electronic device.Type: ApplicationFiled: July 3, 2013Publication date: August 7, 2014Inventor: Hun-Tae Ro
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Publication number: 20140212706Abstract: An apparatus and method of welding a tab of a battery pack, is disclosed. Batteries are placed on a main body of a jig, having a wing unit attached to the jig. A tab is attached to the wing unit, the wing unit being rotatably connected to the main body of the jig. The method includes attaching the tab to a wing unit of the jig by using an adhesive member, welding the terminals of the batteries to the tab, and separating the wing unit from the tab.Type: ApplicationFiled: June 18, 2013Publication date: July 31, 2014Inventors: Hun-Tae Ro, Kwang-Soo Bae
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Patent number: 8679673Abstract: Provided are a cap assembly and a can, and a secondary battery. The secondary battery includes a plurality of bare cells, each of which includes a cap-up used as an electrode terminal; and a conductive plate installed on top of the cap-ups and connecting a plurality of adjacent bare cells in series or in parallel, wherein a plurality of embossments are formed on the cap-up, a slit is formed in the conductive plate, and the conductive plate is welded to the embossments. Therefore, since a cap-up may be properly welded to a desired position on a conductive plate, bad welding may be reduced, and welding strength may be improved.Type: GrantFiled: August 2, 2010Date of Patent: March 25, 2014Assignee: Samsung SDI Co., Ltd.Inventor: Hun-Tae Ro
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Publication number: 20130200853Abstract: An Electric tool with a controller for a battery pack and a control method thereof. The electric tool includes a battery pack, an operator and a controller The battery pack includes a plurality of battery cells and a protection circuit module detects and controls a state of charge and discharge of a plurality of battery cells. The operator receives power from the battery pack and converts the received power into physical energy. The controller controls the protection circuit module so as to perform a protection process of the battery pack in a state similar to over-discharge caused in the case in which the power is transferred from the battery pack to the operator and at the same time, the operator does not continuously operate.Type: ApplicationFiled: August 21, 2012Publication date: August 8, 2013Applicant: SAMSUNG SDI CO., LTD.Inventor: Hun-Tae RO
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Publication number: 20120229092Abstract: A battery pack and an electronic device are disclosed. The battery pack includes a battery for storing electric energy, and a non-contacting discharging unit for receiving the stored electric energy from the battery and for transferring the stored electric energy to a power receiving unit in a non-electrically contacting manner. The electronic device includes a main body and the battery pack. The main body includes a power receiving unit. The battery pack is for mounting to and supplying power to the main body.Type: ApplicationFiled: February 14, 2012Publication date: September 13, 2012Inventor: Hun-Tae Ro
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Publication number: 20110305925Abstract: A battery pack blocks a current flowing between battery cells coupled in parallel among a plurality of battery cells coupled in series and in parallel while measuring voltages so as to prevent a battery cell in a low-voltage state from being automatically charged through a battery cell coupled in parallel to the battery cell in a low-voltage state, and the battery pack accurately determines whether there is an abnormal battery cell by detecting voltages of battery cells coupled in series, thereby performing accurate measurement.Type: ApplicationFiled: December 3, 2010Publication date: December 15, 2011Inventor: Hun-Tae Ro
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Publication number: 20110076543Abstract: Provided are a cap assembly and a can, and a secondary battery. The secondary battery includes a plurality of bare cells, each of which includes a cap-up used as an electrode terminal; and a conductive plate installed on top of the cap-ups and connecting a plurality of adjacent bare cells in series or in parallel, wherein a plurality of embossments are formed on the cap-up, a slit is formed in the conductive plate, and the conductive plate is welded to the embossments. Therefore, since a cap-up may be properly welded to a desired position on a conductive plate, bad welding may be reduced, and welding strength may be improved.Type: ApplicationFiled: August 2, 2010Publication date: March 31, 2011Applicant: SAMSUNG SDI CO., LTD.Inventor: Hun-Tae Ro