Patents by Inventor Tae Seok Ko
Tae Seok Ko 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: 20240097860Abstract: Provided is a data transmission system using a carrier aggregation. The data transmission system may assign a radio resource based on a correspondence relationship between a downlink and an uplink, and may transmit data using the assigned radio resource.Type: ApplicationFiled: October 26, 2023Publication date: March 21, 2024Applicant: Electronics and Telecommunications Research InstituteInventors: Young Jo KO, Tae Gyun NOH, Kyoung Seok LEE, Bang Won SEO, Byung Jang JEONG, Heesoo LEE
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Patent number: 11916831Abstract: A reference signal (RS) transmission system to transmit a channel state information (CSI) RS for extraction of CSI to a relay and a macro terminal is disclosed. The base station transmits information on a sub frame containing the CSI RS to the relay or the macro terminal. The macro terminal and the relay receive the CSI RS using the information on the sub frame. The macro terminal and the relay extract the CSI using the CSI RS and transmit the extracted CSI to the base station.Type: GrantFiled: February 2, 2023Date of Patent: February 27, 2024Assignee: Electronics and Telecommunications Research InstituteInventors: Hee Soo Lee, Tae Gyun Noh, Jae Young Ahn, Kyoung Seok Lee, Young Jo Ko
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Publication number: 20230072892Abstract: A radio frequency (RF) extractor includes: a first bandpass filter electrically connected between a shared antenna port and a first RF port, disposed in a first chip, and having a first passband; a second bandpass filter electrically connected between the shared antenna port and a second RF port, and disposed in a second chip, and having a second passband; a first notch filter electrically connected to the shared antenna port, disposed in the first chip, and having a first stopband partially overlapping the first passband; and a second notch filter electrically connected to the shared antenna port, disposed in the second chip, and having a second stopband partially overlapping the second passband.Type: ApplicationFiled: February 11, 2022Publication date: March 9, 2023Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Sung Tae KIM, Bo Hyun SEO, Tae Seok KO, Sang Heon HAN
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Patent number: 10892647Abstract: A wireless power transmitter having a data transmission and reception capability is disclosed. The wireless power transmitter includes a main coil to transmit power, an inverter to apply an alternating current (AC) signal to the main coil, a communication module to output a transmission signal including transmission data to be wirelessly transmitted the wireless power transmitter, and/or receive a reception signal including received data wirelessly received by the wireless power transmitter, a first connecting circuitry to prevent a power signal of the main coil from being input to the communication module, and the auxiliary coil to connect to the main coil and connected to the first connecting circuitry. The main coil or the auxiliary coil may be configured to transmit the transmission data and receive the reception signal, and the auxiliary coil may be wiredly connected to the main coil or not wiredly connected to the main coil.Type: GrantFiled: September 20, 2018Date of Patent: January 12, 2021Assignee: WITS Co., Ltd.Inventors: Se Joo Kim, Jung Woo Choi, Tae Seok Ko, Byoung Woo Ryu
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Patent number: 10886783Abstract: A wireless power transmission apparatus includes: an alternating current (AC) power output to convert input power into AC power and output the AC power; and a power transmitter including a plurality of resonators. The power transmitter receives the AC power and wirelessly transmits the AC power in a first operating mode in which two of the resonators are connected in series and the two resonators transmit the AC power, and in a second operating mode in which one of the resonators transmits the AC power.Type: GrantFiled: October 15, 2018Date of Patent: January 5, 2021Assignee: WITS Co., Ltd.Inventors: Se Joo Kim, Tae Seok Ko, Young Woon Choi, Joung Ho Son, Doo Young Song
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Patent number: 10833539Abstract: A mobile terminal includes a communication controller configured to detect a wireless tag in a mobile environment and a wireless charging controller configured to receive power wirelessly, and control the communication controller to determine whether the wireless tag is in the mobile environment, in response to receiving a wake-up power signal from a wireless power transfer apparatus.Type: GrantFiled: June 21, 2018Date of Patent: November 10, 2020Assignee: WITS Co., Ltd.Inventors: Ji Hoon Kim, Tae Seok Ko, Dong Yeol Lee, Ju Hyoung Park, Sang Beom Lee
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Patent number: 10447346Abstract: An inverter includes a pulse generator configured to generate a reference pulse signal having a first frequency; and a gate signal generator configured to apply a pulse width modulation control having a variable duty rate, based on a second frequency, to the reference pulse signal to generate a gate signal.Type: GrantFiled: July 19, 2017Date of Patent: October 15, 2019Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Tae Seok Ko, Young Su Jang
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Publication number: 20190222065Abstract: A wireless power transmission apparatus includes: an alternating current (AC) power output to convert input power into AC power and output the AC power; and a power transmitter including a plurality of resonators. The power transmitter receives the AC power and wirelessly transmits the AC power in a first operating mode in which two of the resonators are connected in series and the two resonators transmit the AC power, and in a second operating mode in which one of the resonators transmits the AC power.Type: ApplicationFiled: October 15, 2018Publication date: July 18, 2019Applicant: Samsung Electro-Mechanics Co., Ltd.Inventors: Se Joo KIM, Tae Seok KO, Young Woon CHOI, Joung Ho SON, Doo Young SONG
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Publication number: 20190148966Abstract: A wireless power transmitter includes: a near field communications (NFC) controller configured to communicate with a wireless power receiver in an NFC method using an NFC coil; and a wireless charging controller configured to wirelessly supply power to the wireless power receiver using a power transmitting coil, and to determine whether a cross connection has occurred for the wireless power receiver by comparing first identification information transmitted to the wireless power receiver in the NFC method with second identification information received from the wireless power receiver in a communications method different from the NFC method.Type: ApplicationFiled: June 26, 2018Publication date: May 16, 2019Applicant: Samsung Electro-Mechanics Co., Ltd.Inventors: Jung Woo CHOI, Tae Seok KO, Byoung Woo RYU
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Publication number: 20190148980Abstract: A wireless power transmitter having a data transmission and reception capability is disclosed. The wireless power transmitter includes a main coil to transmit power, an inverter to apply an alternating current (AC) signal to the main coil, a communication module to output a transmission signal including transmission data to be wirelessly transmitted the wireless power transmitter, and/or receive a reception signal including received data wirelessly received by the wireless power transmitter, a first connecting circuitry to prevent a power signal of the main coil from being input to the communication module, and the auxiliary coil to connect to the main coil and connected to the first connecting circuitry. The main coil or the auxiliary coil may be configured to transmit the transmission data and receive the reception signal, and the auxiliary coil may be wiredly connected to the main coil or not wiredly connected to the main coil.Type: ApplicationFiled: September 20, 2018Publication date: May 16, 2019Applicant: Samsung Electro-Mechanics Co., Ltd.Inventors: Se Joo KIM, Jung Woo CHOI, Tae Seok KO, Byoung Woo RYU
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Publication number: 20190097468Abstract: A mobile terminal includes a communication controller configured to detect a wireless tag in a mobile environment and a wireless charging controller configured to receive power wirelessly, and control the communication controller to determine whether the wireless tag is in the mobile environment, in response to receiving a wake-up power signal from a wireless power transfer apparatus.Type: ApplicationFiled: June 21, 2018Publication date: March 28, 2019Applicant: Samsung Electro-Mechanics Co., Ltd.Inventors: Ji Hoon KIM, Tae Seok KO, Dong Yeol LEE, Ju Hyoung PARK, Sang Beom LEE
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Patent number: 10205349Abstract: A wireless power transmitter includes a wireless power controller configured to receive an alternating current (AC) voltage, to convert the AC voltage into a direct current (DC) voltage, and to generate an induced current from the DC voltage according to a switching control for a transformer; and a resonator configured to be resonated by the induced current to wirelessly output charging power.Type: GrantFiled: November 9, 2016Date of Patent: February 12, 2019Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Sang Ho Cho, In Wha Jeong, Tae Seok Ko, Hyo Young Kim
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Patent number: 10170941Abstract: A non-contact type power transfer apparatus includes a power converter configured to convert input power into transmission power; a power transmitter configured to transmit the transmission power in a non-contact manner; and a controller configured to provide a power conversion control signal to control a power conversion operation of the power converter according to a state of the transmission power, and to output an input power control signal to control a power level of the input power according to the power conversion control signal.Type: GrantFiled: July 8, 2016Date of Patent: January 1, 2019Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Sang Ho Cho, Tae Seok Ko
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Publication number: 20180152050Abstract: An apparatus for transmitting power wirelessly includes a transmission coil circuit including a single coil including a plurality of turns; a high power transmitter configured to transmit a high power transmission signal for transmitting first power through the transmission coil circuit; a low power transmitter configured to transmit a low power transmission signal for transmitting second power lower than the first power through the transmission coil circuit; and a switching circuit configured to electrically connect either the high power transmitter or the low power transmitter to the transmission coil circuit in response to operations of the high power transmitter and the low power transmitter.Type: ApplicationFiled: April 27, 2017Publication date: May 31, 2018Inventors: Tae Seok KO, Ji Hoon KIM
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Publication number: 20180102813Abstract: An inverter includes a pulse generator configured to generate a reference pulse signal having a first frequency; and a gate signal generator configured to apply a pulse width modulation control having a variable duty rate, based on a second frequency, to the reference pulse signal to generate a gate signal.Type: ApplicationFiled: July 19, 2017Publication date: April 12, 2018Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Tae Seok KO, Young Su JANG
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Publication number: 20170279307Abstract: A wireless power transmitter includes a wireless power controller configured to receive an alternating current (AC) voltage, to convert the AC voltage into a direct current (DC) voltage, and to generate an induced current from the DC voltage according to a switching control for a transformer; and a resonator configured to be resonated by the induced current to wirelessly output charging power.Type: ApplicationFiled: November 9, 2016Publication date: September 28, 2017Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Sang Ho CHO, In Wha JEONG, Tae Seok KO, Hyo Young KIM
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Publication number: 20170187240Abstract: A non-contact type power transfer apparatus includes a power converter configured to convert input power into transmission power; a power transmitter configured to transmit the transmission power in a non-contact manner; and a controller configured to provide a power conversion control signal to control a power conversion operation of the power converter according to a state of the transmission power, and to output an input power control signal to control a power level of the input power according to the power conversion control signal.Type: ApplicationFiled: July 8, 2016Publication date: June 29, 2017Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Sang Ho CHO, Tae Seok KO
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Publication number: 20160028316Abstract: A power converter having a wide range of an output voltage may include a power supply unit supplying a driving current to a load, a sensing unit sensing a magnitude of the driving current, a first switch controlling an on/off time to control a flow of the driving current, and a control unit operated by being divided into constant current driving and average current driving corresponding to the magnitude of the driving current sensed by the sensing unit. The control unit may controls the power supply unit in the constant current driving so as to make the magnitude of driving current be a predetermined value, and control an on/off time in the average current driving to make an average magnitude of the driving current be the predetermined value.Type: ApplicationFiled: July 20, 2015Publication date: January 28, 2016Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Tae Seok KO, Young Su JANG
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Patent number: 9231485Abstract: A power supply may include a driving power supply unit converting input power to supply driving power to a load, and a power supply control unit performing a control to detect a change in a voltage level of the driving power and cut off the input power when the detected voltage level of the driving power is equal to or more than a preset voltage level, in a preset standby mode.Type: GrantFiled: December 24, 2014Date of Patent: January 5, 2016Assignee: Samsung Electro-Mechanics Co., LtdInventors: Byoung Woo Ryu, Tae Seok Ko
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Publication number: 20150207421Abstract: A power supply may include a driving power supply unit converting input power to supply driving power to a load, and a power supply control unit performing a control to detect a change in a voltage level of the driving power and cut off the input power when the detected voltage level of the driving power is equal to or more than a preset voltage level, in a preset standby mode.Type: ApplicationFiled: December 24, 2014Publication date: July 23, 2015Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Byoung Woo RYU, Tae Seok Ko