Patents by Inventor Seung-Ok Lim
Seung-Ok 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).
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Patent number: 10581491Abstract: The present invention relates to a wireless power transmission apparatus and a method therefor. The present invention provides a wireless power transmission apparatus including: a power transmission module; a first communication module; a second communication module; and a controller for searching out a first wireless power reception device performing wireless power transmission/reception, transmitting a second magnetic field signal of a second frequency band through the power transmission module, sensing a second response signal to the second magnetic field signal through the second communication module, and searching out a second wireless power reception device performing wireless power transmission/reception by means of the second frequency band according to whether the second response signal is received.Type: GrantFiled: February 28, 2019Date of Patent: March 3, 2020Assignee: INTELLECTUAL DISCOVERY CO., LTD.Inventors: Yun Jae Won, Seung Ok Lim
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Patent number: 10536192Abstract: The present invention relates to a wireless power transmission apparatus and a method therefor. The present invention provides a wireless power transmission apparatus including: a power transmission module; a first communication module; a second communication module; and a controller for searching out a first wireless power reception device performing wireless power transmission/reception, transmitting a second magnetic field signal of a second frequency band through the power transmission module, sensing a second response signal to the second magnetic field signal through the second communication module, and searching out a second wireless power reception device performing wireless power transmission/reception by means of the second frequency band according to whether the second response signal is received.Type: GrantFiled: February 28, 2019Date of Patent: January 14, 2020Assignee: INTELLECTUAL DISCOVERY CO., LTD.Inventors: Yun Jae Won, Seung Ok Lim
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Publication number: 20190199403Abstract: The present invention relates to a wireless power transmission apparatus and a method therefor. The present invention provides a wireless power transmission apparatus including: a power transmission module; a first communication module; a second communication module; and a controller for searching out a first wireless power reception device performing wireless power transmission/reception, transmitting a second magnetic field signal of a second frequency band through the power transmission module, sensing a second response signal to the second magnetic field signal through the second communication module, and searching out a second wireless power reception device performing wireless power transmission/reception by means of the second frequency band according to whether the second response signal is received.Type: ApplicationFiled: February 28, 2019Publication date: June 27, 2019Applicant: INTELLECTUAL DISCOVERY CO., LTD.Inventors: Yun Jae WON, Seung Ok LIM
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Patent number: 10243620Abstract: The present invention relates to a wireless power transmission apparatus and a method therefor. The present invention provides a wireless power transmission apparatus including: a power transmission module; a first communication module; a second communication module; and a controller for searching out a first wireless power reception device performing wireless power transmission/reception, transmitting a second magnetic field signal of a second frequency band through the power transmission module, sensing a second response signal to the second magnetic field signal through the second communication module, and searching out a second wireless power reception device performing wireless power transmission/reception by means of the second frequency band according to whether the second response signal is received.Type: GrantFiled: January 8, 2018Date of Patent: March 26, 2019Assignee: INTELLECTUAL DISCOVERY CO., LTD.Inventors: Yun Jae Won, Seung Ok Lim
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Patent number: 9985695Abstract: The present invention relates to a wireless power transmission apparatus and a method therefor, and more particularly to a wireless power transmission apparatus for supplying wirelessly power to a plurality of wireless power reception devices using different wireless power transmission/reception means. A wireless power transmission apparatus according the present invention includes: a power transmission module for transmitting wirelessly power by means of the magnetic field of one of a plurality of predetermined frequency bands; a communication module for communicating with a wireless power reception device; and a controller for setting a power transmission mode based on a plurality of device profiles reflecting the frequency bands used for wireless power transmission/reception received from a plurality of wireless power reception devices.Type: GrantFiled: April 17, 2014Date of Patent: May 29, 2018Assignee: INTELLECTUAL DISCOVERY CO., LTD.Inventors: Yun Jae Won, Seung Ok Lim
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Publication number: 20180131413Abstract: The present invention relates to a wireless power transmission apparatus and a method therefor. The present invention provides a wireless power transmission apparatus including: a power transmission module; a first communication module; a second communication module; and a controller for searching out a first wireless power reception device performing wireless power transmission/reception, transmitting a second magnetic field signal of a second frequency band through the power transmission module, sensing a second response signal to the second magnetic field signal through the second communication module, and searching out a second wireless power reception device performing wireless power transmission/reception by means of the second frequency band according to whether the second response signal is received.Type: ApplicationFiled: January 8, 2018Publication date: May 10, 2018Applicant: INTELLECTUAL DISCOVERY CO., LTD.Inventors: Yun Jae WON, Seung Ok LIM
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Patent number: 9923603Abstract: This invention defines management protocols for wireless power transfer to multiple devices in Multi-device Wireless Power Management System. Various functions of Multi-device Wireless Power Management System are justified from this invention. The WPT frames and messages which work between the management block of a charger and the management block or the coupler block of a device, or the coupler block of a charger are defined as well to execute various functions. Also the procedures for each functionality are described based on its frames and messages.Type: GrantFiled: April 17, 2014Date of Patent: March 20, 2018Assignee: Korea Electronics Technology InstituteInventors: Yun Jae Won, Seung Ok Lim
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Patent number: 9866281Abstract: The present invention relates to a wireless power transmission apparatus and a method therefor. The present invention provides a wireless power transmission apparatus including: a power transmission module; a first communication module; a second communication module; and a controller for searching out a first wireless power reception device performing wireless power transmission/reception, transmitting a second magnetic field signal of a second frequency band through the power transmission module, sensing a second response signal to the second magnetic field signal through the second communication module, and searching out a second wireless power reception device performing wireless power transmission/reception by means of the second frequency band according to whether the second response signal is received.Type: GrantFiled: April 17, 2014Date of Patent: January 9, 2018Assignee: INTELLECTUAL DISCOVERY CO., LTD.Inventors: Yun Jae Won, Seung Ok Lim
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Patent number: 9812891Abstract: This invention defines management protocols for wireless power transfer to multiple devices in Multi-device Wireless Power Management System. Various functions of Multi-device Wireless Power Management System are justified from this invention. The WPT frames and messages which work between the management block of a charger and the management block or the coupler block of a device, or the coupler block of a charger are defined as well to execute various functions. Also the procedures for each functionality are described based on its frames and messages.Type: GrantFiled: May 17, 2016Date of Patent: November 7, 2017Assignee: Korea Electronics Technology InstituteInventors: Yun Jae Won, Seung Ok Lim
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Patent number: 9543779Abstract: This invention defines management protocols for wireless power transfer to multiple devices in Multi-device Wireless Power Management System. Various functions of Multi-device Wireless Power Management System are justified from this invention. The WPT frames and messages which work between the management block of a charger and the management block or the coupler block of a device, or the coupler block of a charger are defined as well to execute various functions. Also the procedures for each functionality are described based on its frames and messages.Type: GrantFiled: April 17, 2014Date of Patent: January 10, 2017Assignee: Korea Electronics Technology InstituteInventors: Yun Jae Won, Seung Ok Lim
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Publication number: 20160261140Abstract: This invention defines management protocols for wireless power transfer to multiple devices in Multi-device Wireless Power Management System. Various functions of Multi-device Wireless Power Management System are justified from this invention. The WPT frames and messages which work between the management block of a charger and the management block or the coupler block of a device, or the coupler block of a charger are defined as well to execute various functions. Also the procedures for each functionality are described based on its frames and messages.Type: ApplicationFiled: May 17, 2016Publication date: September 8, 2016Applicant: Korea Electronics Technology InstituteInventors: Yun Jae WON, Seung Ok LIM
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Publication number: 20160087686Abstract: The present invention relates to a wireless power transmission apparatus and a method therefor, and more particularly to a wireless power transmission apparatus for supplying wirelessly power to a plurality of wireless power reception devices using different wireless power transmission/reception means. A wireless power transmission apparatus according the present invention includes: a power transmission module for transmitting wirelessly power by means of the magnetic field of one of a plurality of predetermined frequency bands; a communication module for communicating with a wireless power reception device; and a controller for setting a power transmission mode based on a plurality of device profiles reflecting the frequency bands used for wireless power transmission/reception received from a plurality of wireless power reception devices.Type: ApplicationFiled: April 17, 2014Publication date: March 24, 2016Applicant: INTELLECTUAL DISCOVERY CO., LTD.Inventors: Yun Jae WON, Seung Ok LIM
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Publication number: 20160065005Abstract: The present invention relates to a wireless power transmission apparatus and a method therefor. The present invention provides a wireless power transmission apparatus including: a power transmission module; a first communication module; a second communication module; and a controller for searching out a first wireless power reception device performing wireless power transmission/reception, transmitting a second magnetic field signal of a second frequency band through the power transmission module, sensing a second response signal to the second magnetic field signal through the second communication module, and searching out a second wireless power reception device performing wireless power transmission/reception by means of the second frequency band according to whether the second response signal is received.Type: ApplicationFiled: April 17, 2014Publication date: March 3, 2016Applicant: INTELLECTUAL DISCOVERY CO., LTD.Inventors: Yun Jae WON, Seung Ok LIM
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Publication number: 20150194838Abstract: The present invention relates to a method for wirelessly charging a multi-node wireless power transmitting system which can efficiently perform charging using wireless communication. According to the method, a wireless power supply apparatus detects a change in a power transmission environment on the basis of a current/voltage change to accordingly perform rematching or reschedule, and combines and uses a power transmission method through time division for the simultaneous charging of a plurality of devices and a simultaneous power transmission method through multi-matching.Type: ApplicationFiled: July 31, 2013Publication date: July 9, 2015Applicant: INTELLECTUAL DISCOVERY CO., LTD.Inventors: Yun Jae Won, Seung Ok Lim
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Patent number: 9059599Abstract: A wireless multi charging method and system are disclosed. The wireless charging method selects a portion of mobile devices located in a charging region as a group, and provides energy for wireless charging to the selected group of mobile devices. Accordingly, group charging is possible, and thus it is also possible to selectively charge mobile devices which allow charging.Type: GrantFiled: April 24, 2012Date of Patent: June 16, 2015Assignee: Korea Electronics Technology InstituteInventors: Yun Jae Won, Seung Ok Lim, Yeon Kug Moon, Yong Seok Lim, Young Han Kim
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Patent number: 9036721Abstract: Disclosed herein is a wireless communication method for a magnetic field communication network. The wireless communication method is performed by a coordinator on the magnetic field communication network. The wireless communication method includes transmitting a request signal used to request response to each of sensor nodes; selecting any one of response signals received from the sensor nodes; transmitting an acknowledgement signal to a sensor node corresponding to the response signal; selecting any one of response signals transmitted again from sensor nodes which did not receive the acknowledgement signal; and transmitting an acknowledgement signal to a sensor node corresponding to the selected response signal.Type: GrantFiled: May 27, 2009Date of Patent: May 19, 2015Assignee: Korea Electronics Technology InstituteInventors: Yun-jae Won, Seung-ok Lim, Sun-hee Kim
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Patent number: 9030160Abstract: Disclosed is a charging method of a multi-node wireless charging system using magnetic field communication capable of effectively charging a plurality of nodes using the magnetic field communication. The magnetic field communication protocol for wireless charging is prepared and thus, an appropriate wireless charging device may be selected and charged for an appropriate time. The wireless charging method of the present invention includes: transmitting an association request frame; receiving an association response frame from the wireless charging devices; transmitting a charging requirement request frame; receiving a charging requirement response frame from the wireless charging devices; transmitting a charging preparation request frame; and transmitting power during a receiving period of the charging preparation response frame for the charging preparation request frame.Type: GrantFiled: November 30, 2011Date of Patent: May 12, 2015Assignee: Korea Electronics Technology InstituteInventors: Yun Jae Won, Seung Ok Lim, Yeon Kug Moon, Sun Hee Kim, Kyu Sung Hwang
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Publication number: 20140312833Abstract: This invention defines management protocols for wireless power transfer to multiple devices in Multi-device Wireless Power Management System. Various functions of Multi-device Wireless Power Management System are justified from this invention. The WPT frames and messages which work between the management block of a charger and the management block or the coupler block of a device, or the coupler block of a charger are defined as well to execute various functions. Also the procedures for each functionality are described based on its frames and messages.Type: ApplicationFiled: April 17, 2014Publication date: October 23, 2014Applicant: KOREA ELECTRONICS TECHNOLOGY INSTITUTEInventors: Yun Jae WON, Seung Ok LIM
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Publication number: 20140312852Abstract: This invention defines management protocols for wireless power transfer to multiple devices in Multi-device Wireless Power Management System. Various functions of Multi-device Wireless Power Management System are justified from this invention. The WPT frames and messages which work between the management block of a charger and the management block or the coupler block of a device, or the coupler block of a charger are defined as well to execute various functions. Also the procedures for each functionality are described based on its frames and messages.Type: ApplicationFiled: April 17, 2014Publication date: October 23, 2014Applicant: KOREA ELECTRONIC TECHNOLOGY INSTITUTEInventors: Yun Jae WON, Seung Ok LIM
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Publication number: 20130278206Abstract: A wireless multi charging method and system are disclosed. The wireless charging method selects a portion of mobile devices located in a charging region as a group, and provides energy for wireless charging to the selected group of mobile devices. Accordingly, group charging is possible, and thus it is also possible to selectively charge mobile devices which allow charging.Type: ApplicationFiled: April 24, 2012Publication date: October 24, 2013Applicant: KOREA ELECTRONICS TECHNOLOGY INSTITUTEInventors: Yun Jae WON, Seung Ok LIM, Yeon Kug MOON, Yong Seok LIM, Young Han KIM