Patents by Inventor Kee hoon Kim
Kee hoon 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).
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Publication number: 20240147570Abstract: An electronic device is provided. The electronic device includes a plurality of antennas, a radio frequency (RF) circuit configured to electrically connect with the plurality of antennas, and a processor. The plurality of antennas include a first main antenna, a first sub-antenna, a second main antenna, and a second sub-antenna. The processor controls the RF circuit to operate in a first mode of receiving a signal using the first main antenna and the first sub-antenna. The processor controls the RF circuit to operate in a second mode different from the first mode to receive the signal based on a signal state.Type: ApplicationFiled: January 10, 2024Publication date: May 2, 2024Inventors: Hyoungjoo Lee, Kee Hoon Kim, Byung Gil Lee, Chaiman Lim
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Publication number: 20240085482Abstract: The present invention relates to a power bank having a function of providing a chargeable range of a battery pack, a battery pack charging system including the same, and a method therefor, and more particularly, to a battery pack charging system that provides information on how far the battery pack can be charged with charging power of the power bank through data communication between the power bank and the battery pack charged by receiving charging power from the power bank.Type: ApplicationFiled: October 26, 2022Publication date: March 14, 2024Applicant: LG ENERGY SOLUTION, LTD.Inventors: Kee Hoon SONG, Jun Suk KIM, Hyo Seong AN
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Patent number: 11903077Abstract: An electronic device is provided. The electronic device includes a plurality of antennas, a radio frequency (RF) circuit configured to electrically connect with the plurality of antennas, and a processor. The plurality of antennas include a first main antenna, a first sub-antenna, a second main antenna, and a second sub-antenna. The processor controls the RF circuit to operate in a first mode of receiving a signal using the first main antenna and the first sub-antenna. The processor controls the RF circuit to operate in a second mode different from the first mode to receive the signal based on a signal state.Type: GrantFiled: June 3, 2022Date of Patent: February 13, 2024Assignee: Samsung Electronics Co., Ltd.Inventors: Hyoungjoo Lee, Kee Hoon Kim, Byung Gil Lee, Chaiman Lim
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Publication number: 20220295593Abstract: An electronic device is provided. The electronic device includes a plurality of antennas, a radio frequency (RF) circuit configured to electrically connect with the plurality of antennas, and a processor. The plurality of antennas include a first main antenna, a first sub-antenna, a second main antenna, and a second sub-antenna. The processor controls the RF circuit to operate in a first mode of receiving a signal using the first main antenna and the first sub-antenna. The processor controls the RF circuit to operate in a second mode different from the first mode to receive the signal based on a signal state.Type: ApplicationFiled: June 3, 2022Publication date: September 15, 2022Inventors: Hyoungjoo Lee, Kee Hoon Kim, Byung Gil Lee, Chaiman Lim
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Patent number: 11357072Abstract: An electronic device is provided. The electronic device includes a plurality of antennas, a radio frequency (RF) circuit configured to electrically connect with the plurality of antennas, and a processor. The plurality of antennas include a first main antenna, a first sub-antenna, a second main antenna, and a second sub-antenna. The processor controls the RF circuit to operate in a first mode of receiving a signal using the first main antenna and the first sub-antenna. The processor controls the RF circuit to operate in a second mode different from the first mode to receive the signal based on a signal state.Type: GrantFiled: June 8, 2020Date of Patent: June 7, 2022Assignee: Samsung Electronics Co., Ltd.Inventors: Hyoungjoo Lee, Kee Hoon Kim, Byung Gil Lee, Chaiman Lim
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Publication number: 20200305221Abstract: An electronic device is provided. The electronic device includes a plurality of antennas, a radio frequency (RF) circuit configured to electrically connect with the plurality of antennas, and a processor. The plurality of antennas include a first main antenna, a first sub-antenna, a second main antenna, and a second sub-antenna. The processor controls the RF circuit to operate in a first mode of receiving a signal using the first main antenna and the first sub-antenna. The processor controls the RF circuit to operate in a second mode different from the first mode to receive the signal based on a signal state.Type: ApplicationFiled: June 8, 2020Publication date: September 24, 2020Inventors: Hyoungjoo Lee, Kee Hoon Kim, Byung Gil Lee, Chaiman Lim
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Patent number: 10681769Abstract: An electronic device is provided. The electronic device includes a plurality of antennas, a radio frequency (RF) circuit configured to electrically connect with the plurality of antennas, and a processor. The plurality of antennas include a first main antenna, a first sub-antenna, a second main antenna, and a second sub-antenna. The processor controls the RF circuit to operate in a first mode of receiving a signal using the first main antenna and the first sub-antenna. The processor controls the RF circuit to operate in a second mode different from the first mode to receive the signal based on a signal state.Type: GrantFiled: March 11, 2019Date of Patent: June 9, 2020Assignee: Samsung Electronics Co., Ltd.Inventors: Hyoungjoo Lee, Kee Hoon Kim, Byung Gil Lee, Chaiman Lim
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Publication number: 20190208569Abstract: An electronic device is provided. The electronic device includes a plurality of antennas, a radio frequency (RF) circuit configured to electrically connect with the plurality of antennas, and a processor. The plurality of antennas include a first main antenna, a first sub-antenna, a second main antenna, and a second sub-antenna. The processor controls the RF circuit to operate in a first mode of receiving a signal using the first main antenna and the first sub-antenna. The processor controls the RF circuit to operate in a second mode different from the first mode to receive the signal based on a signal state.Type: ApplicationFiled: March 11, 2019Publication date: July 4, 2019Inventors: Hyoungjoo Lee, Kee Hoon Kim, Byung Gil Lee, Chaiman Lim
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Patent number: 10231280Abstract: An electronic device is provided. The electronic device includes a plurality of antennas, a radio frequency (RF) circuit configured to electrically connect with the plurality of antennas, and a processor. The plurality of antennas include a first main antenna, a first sub-antenna, a second main antenna, and a second sub-antenna. The processor controls the RF circuit to operate in a first mode of receiving a signal using the first main antenna and the first sub-antenna. The processor controls the RF circuit to operate in a second mode different from the first mode to receive the signal based on a signal state.Type: GrantFiled: February 17, 2017Date of Patent: March 12, 2019Assignee: Samsung Electronics Co., Ltd.Inventors: Hyoungjoo Lee, Kee Hoon Kim, Byung Gil Lee, Chaiman Lim
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Patent number: 10038486Abstract: An electronic device is provided. The electronic device includes a plurality of antennas and a communication circuit configured to electrically connect with at least one of the plurality of antennas, wherein the communication circuit is configured to obtain information of a level of a transmit power and transmit a signal based on a designated antenna among the plurality of antennas if the level of the transmit power is less than a level, determine an antenna for signal transmission among the plurality of antennas if the level of the transmit power is greater than or equal to the level, and perform an antenna switching operation of selecting the determined antenna.Type: GrantFiled: February 17, 2017Date of Patent: July 31, 2018Assignee: Samsung Electronics Co., Ltd.Inventors: Kee Hoon Kim, Hyoungjoo Lee, Byung Gil Lee, Chaiman Lim
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Publication number: 20170244456Abstract: An electronic device is provided. The electronic device includes a plurality of antennas and a communication circuit configured to electrically connect with at least one of the plurality of antennas, wherein the communication circuit is configured to obtain information of a level of a transmit power and transmit a signal based on a designated antenna among the plurality of antennas if the level of the transmit power is less than a level, determine an antenna for signal transmission among the plurality of antennas if the level of the transmit power is greater than or equal to the level, and perform an antenna switching operation of selecting the determined antenna.Type: ApplicationFiled: February 17, 2017Publication date: August 24, 2017Inventors: Kee Hoon KIM, Hyoungjoo LEE, Byung Gil LEE, Chaiman LIM
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Publication number: 20170245317Abstract: An electronic device is provided. The electronic device includes a plurality of antennas, a radio frequency (RF) circuit configured to electrically connect with the plurality of antennas, and a processor. The plurality of antennas include a first main antenna, a first sub-antenna, a second main antenna, and a second sub-antenna. The processor controls the RF circuit to operate in a first mode of receiving a signal using the first main antenna and the first sub-antenna. The processor controls the RF circuit to operate in a second mode different from the first mode to receive the signal based on a signal state.Type: ApplicationFiled: February 17, 2017Publication date: August 24, 2017Inventors: Hyoungjoo Lee, Kee Hoon Kim, Byung Gil Lee, Chaiman Lim
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Patent number: 9340902Abstract: The present invention provides a magnetoelectric material in which an electric property is capable of being controlled by a magnetic field or a magnetic property is capable of being controlled by an electric field, and a method of manufacturing the same. Particularly, the present invention provides a magnetoelectric material in which a distance between magnetic ions interacting with each other is controlled by using non-magnetic ions or alkaline earth metal ions, and a method of manufacturing the same.Type: GrantFiled: November 18, 2013Date of Patent: May 17, 2016Assignee: SNU R&DB FOUNDATIONInventors: Kee Hoon Kim, Sae Hwan Chun, Yi Sheng Chai, Kwang Woo Shin
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Publication number: 20140138571Abstract: The present invention provides a magnetoelectric material in which an electric property is capable of being controlled by a magnetic field or a magnetic property is capable of being controlled by an electric field, and a method of manufacturing the same. Particularly, the present invention provides a magnetoelectric material in which a distance between magnetic ions interacting with each other is controlled by using non-magnetic ions or alkaline earth metal ions, and a method of manufacturing the same.Type: ApplicationFiled: November 18, 2013Publication date: May 22, 2014Applicant: SNU R&DB FOUNDATIONInventors: Kee Hoon KIM, Sae Hwan CHUN, Yi Sheng CHAI, Kwang Woo SHIN
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Patent number: 8597533Abstract: The present invention relates to a multiferroic material capable of freely controlling magnetic field size at room temperature, and to a method of manufacturing the same. Said multiferroic material includes hexaferrites containing magnetic iron ions partially substituted by non-magnetic ions. Said non-magnetic ions act to change the magnetic anisotropy of said hexaferrites.Type: GrantFiled: October 1, 2009Date of Patent: December 3, 2013Assignee: SNU R&DB FoundationInventors: Kee-Hoon Kim, Yisheng Chai, Sae-Hwan Chun
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Patent number: 8275427Abstract: Disclosed herein is a method and system for measuring magnetoelectric susceptibility. The system includes a magnet supplying a DC magnetic bias to a magnetoelectric sample, an AC drive coil applying an AC magnetic field to the magnetoelectric sample, a charge amplifier amplifying an electric charge signal of the magnetoelectric sample oscillating by the AC magnetic field, and a phase sensitive detector detecting the voltage signal produced by the charge amplifier while supplying induction current to the AC drive coil. Accordingly, it is possible to provide a highly sensitive system for measuring magnetoelectric susceptibility, which is essential for research on multiferroic and magnetoelectric bulk and thin film materials at room temperature, and can also operate in the physical property measurement system (PPMS, manufactured by Quantum Design Co., Ltd.) for measurements under low temperature and high magnetic field environments.Type: GrantFiled: October 5, 2007Date of Patent: September 25, 2012Assignee: Seoul National University Industry FoundationInventors: Kee hoon Kim, Yoon seok Oh
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Publication number: 20110031434Abstract: The present invention relates to a multiferroic material capable of freely controlling magnetic field size at room temperature, and to a method of manufacturing the same. Said multiferroic material includes hexaferrites containing magnetic iron ions partially substituted by non-magnetic ions. Said non-magnetic ions act to change the magnetic anisotropy of said hexaferrites.Type: ApplicationFiled: October 1, 2009Publication date: February 10, 2011Applicant: SNU R&DB FOUNDATIONInventors: Kee-Hoon Kim, Yisheng Chai, Sae-Hwan Chun
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Publication number: 20090270262Abstract: Disclosed herein is a method and system for measuring magnetoelectric susceptibility. The system includes a magnet supplying a DC magnetic bias to a magnetoelectric sample, an AC drive coil applying an AC magnetic field to the magnetoelectric sample, a charge amplifier amplifying an electric charge signal of the magnetoelectric sample oscillating by the AC magnetic field, and a phase sensitive detector detecting the voltage signal produced by the charge amplifier while supplying induction current to the AC drive coil. Accordingly, it is possible to provide a highly sensitive system for measuring magnetoelectric susceptibility, which is essential for research on multiferroic and magnetoelectric bulk and thin film materials at room temperature, and can also operate in the physical property measurement system (PPMS, manufactured by Quantum Design Co., Ltd.) for measurements under low temperature and high magnetic field environments.Type: ApplicationFiled: October 5, 2007Publication date: October 29, 2009Inventors: Kee hoon Kim, Yoon seok Oh