Patents by Inventor Hyun Jin YOO
Hyun Jin YOO 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: 11228337Abstract: An apparatus for switching a transmission route of a radio frequency signal is provided. The apparatus may include a first inductor electrically connected to first and second ports; a second inductor electrically connected to the third and fourth ports and disposed to have mutual inductance with the first inductor; first, second, third, and fourth switches configured to switch an electrical connection between the first, second, third, and fourth ports and a ground, respectively; wherein the first and second inductors are electrically connected to the ground through one of the first and second switches and one of the third and fourth switches such that a radio frequency signal pass between one of the first and second ports an one of the third and fourth ports.Type: GrantFiled: July 15, 2020Date of Patent: January 18, 2022Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Hyun Jin Yoo, Young Sik Hur, Hyeon Seok Hwang, Si Heon Kwak, Yoo Sam Na, Ju Yeon Lee
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Publication number: 20210306025Abstract: An apparatus for switching a transmission route of a radio frequency signal is provided. The apparatus may include a first inductor electrically connected to first and second ports; a second inductor electrically connected to the third and fourth ports and disposed to have mutual inductance with the first inductor; first, second, third, and fourth switches configured to switch an electrical connection between the first, second, third, and fourth ports and a ground, respectively; wherein the first and second inductors are electrically connected to the ground through one of the first and second switches and one of the third and fourth switches such that a radio frequency signal pass between one of the first and second ports an one of the third and fourth ports.Type: ApplicationFiled: July 15, 2020Publication date: September 30, 2021Applicant: Samsung Electro-Mechanics Co., Ltd.Inventors: Hyun Jin YOO, Young Sik HUR, Hyeon Seok HWANG, Si Heon KWAK, Yoo Sam NA, Ju Yeon LEE
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Patent number: 10979007Abstract: An amplifying device includes: an amplifying circuit connected between an input terminal and an output terminal and amplifying a signal input in an amplification mode; and a bypass circuit including a filter connected to a bypass path for bypassing the amplifying circuit, wherein the bypass path is in an off-state in the amplification mode and is in an on-state in a bypass mode, and the filter bypasses an input high-frequency signal to ground, in the amplification mode.Type: GrantFiled: February 22, 2019Date of Patent: April 13, 2021Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Hyung Jun Cho, Hyun Jin Yoo, Jong Mo Lim, Hyun Hwan Yoo, Yoo Sam Na, Yoo Hwan Kim
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Patent number: 10903799Abstract: An amplifying apparatus includes a variable gain amplifying circuit configured to operate in a gain mode selected from a plurality of gain modes in response to a first control signal during operation in an amplification mode, a variable attenuation circuit configured to have an attenuation value that is adjusted in response to a second control signal, and a phase compensation value which compensates for a phase distortion in the selected gain mode, and a control circuit configured to control the selecting of the gain mode, the adjusting of the attenuation value and the phase compensation value, based on the first and second control signals.Type: GrantFiled: October 24, 2018Date of Patent: January 26, 2021Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Hyun Jin Yoo, Jong Mo Lim, Yoo Sam Na, Hyung Jun Cho, Yoo Hwan Kim, Hyun Hwan Yoo
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Patent number: 10886058Abstract: An inductor includes a substrate, and a first coil pattern disposed on one surface of the substrate and having a spiral shape comprising a plurality of turns, wherein as the first coil pattern extends inwardly towards a center of the first coil pattern, a pattern width of the first coil pattern decreases while a center-to-center distance between two adjacent turns of the first coil pattern increases.Type: GrantFiled: July 24, 2019Date of Patent: January 5, 2021Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Hyung Jun Cho, Jong Mo Lim, Hyun Hwan Yoo, Hyun Jin Yoo, Yoo Hwan Kim, Yoo Sam Na
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Patent number: 10826151Abstract: A directional coupler circuit includes a signal line disposed between a first terminal and a second terminal; a coupling line comprising a first end terminal and a second end terminal, and disposed to be coupled to the signal line; a switching circuit connecting the first end terminal and a coupling port to each other to extract a first coupling signal in a first coupling mode, and connecting the second end terminal and the coupling port to extract a second coupling signal in a second coupling mode; and a phase compensating circuit configured to compensate for a phase difference between the coupling port and a first isolation port in the first coupling mode, or compensate for a phase difference between the coupling port and a second isolation port in the second coupling mode.Type: GrantFiled: May 24, 2019Date of Patent: November 3, 2020Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Jong Mo Lim, Yoo Sam Na, Hyun Hwan Yoo, Hyun Jin Yoo, Hyung Jun Cho, Yoo Hwan Kim
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Patent number: 10826442Abstract: An apparatus includes an amplifying circuit configured to include stacked first and second transistors, and to amplify a signal input from an input terminal during an operation in an amplifying mode, and provide the amplified signal to an output terminal, and a negative feedback circuit comprising first to nth sub-negative feedback circuits, each corresponding to a separate gain mode included in the amplifying mode, wherein the negative feedback circuit is configured to provide a variable resistance value to determine a negative feedback gain based on each of the separate gain modes.Type: GrantFiled: November 20, 2018Date of Patent: November 3, 2020Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Hyun Jin Yoo, Jong Mo Lim, Yoo Hwan Kim, Hyung Jun Cho, Hyun Hwan Yoo, Yoo Sam Na
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Patent number: 10778175Abstract: A coupler circuit includes: a signal line disposed between a first terminal and a second terminal; a coupling line disposed between a coupling port and an isolation port such that the coupling line is coupled to the signal line and is configured to extract a coupling signal from the signal line; and a coupling adjusting circuit connected to the coupling port and the isolation port, and configured to reduce changes in an amount of coupling according to a change in a frequency band of a signal passing through the signal line.Type: GrantFiled: October 26, 2018Date of Patent: September 15, 2020Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Jong Mo Lim, Hyun Jin Yoo, Yoo Sam Na, Hyun Hwan Yoo, Hyung Jun Cho, Yoo Hwan Kim
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Patent number: 10752718Abstract: The present invention relates to a photocurable resin composition usable in a nanoimprint process which is capable of overcoming low productivity of conventional semiconductor processes for optical devices and electronic devices, and a method of forming patterns using the same. Specifically, the present invention relates to a photocurable resin composition including a specific perfluorinated acrylic compound for improving release property between a nanoimprint mold and the photocurable resin composition, and a method of forming patterns using the same.Type: GrantFiled: October 5, 2016Date of Patent: August 25, 2020Assignee: CHEM OPTICS INC.Inventors: Hyung-Jong Lee, Nam Seob Baek, Jonghwi Lee, Yun Jung Seo, Hyun Jin Yoo
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Publication number: 20200227201Abstract: An inductor includes a substrate, and a first coil pattern disposed on one surface of the substrate and having a spiral shape comprising a plurality of turns, wherein as the first coil pattern extends inwardly towards a center of the first coil pattern, a pattern width of the first coil pattern decreases while a center-to-center distance between two adjacent turns of the first coil pattern increases.Type: ApplicationFiled: July 24, 2019Publication date: July 16, 2020Applicant: Samsung Electro-Mechanics Co., Ltd.Inventors: Hyung Jun CHO, Jong Mo LIM, Hyun Hwan YOO, Hyun Jin YOO, Yoo Hwan KIM, Yoo Sam NA
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Patent number: 10686413Abstract: A low noise amplifier circuit includes a first low noise amplifier including a common gate structure cascoded with a parallel common source structure to selectively amplify a band signal among first and second band signals; a second low noise amplifier including a common gate structure cascoded with a parallel common source structure to selectively amplify a band signal among third and fourth band signals; an output DPDT circuit including a first input terminal connected to the first low noise amplifier, a second input terminal connected to the second low noise amplifier, and a first output terminal and a second output terminal for selectively outputting signals input through the first input terminal and the second input terminal; and a control circuit performing an amplification control and a switching control for the first and second low noise amplifiers and the output DPDT circuit in response to a predetermined communications scheme.Type: GrantFiled: October 22, 2018Date of Patent: June 16, 2020Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Hyun Hwan Yoo, Jong Mo Lim, Yoo Sam Na, Hyun Jin Yoo, Hyung Jun Cho, Yoo Hwan Kim
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Publication number: 20200119424Abstract: A directional coupler circuit includes a signal line disposed between a first terminal and a second terminal; a coupling line comprising a first end terminal and a second end terminal, and disposed to be coupled to the signal line; a switching circuit connecting the first end terminal and a coupling port to each other to extract a first coupling signal in a first coupling mode, and connecting the second end terminal and the coupling port to extract a second coupling signal in a second coupling mode; and a phase compensating circuit configured to compensate for a phase difference between the coupling port and a first isolation port in the first coupling mode, or compensate for a phase difference between the coupling port and a second isolation port in the second coupling mode.Type: ApplicationFiled: May 24, 2019Publication date: April 16, 2020Applicant: Samsung Electro-Mechanics Co., Ltd.Inventors: Jong Mo LIM, Yoo Sam NA, Hyun Hwan YOO, Hyun Jin YOO, Hyung Jun CHO, Yoo Hwan KIM
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Publication number: 20200059210Abstract: An amplifying device includes: an amplifying circuit connected between an input terminal and an output terminal and amplifying a signal input in an amplification mode; and a bypass circuit including a filter connected to a bypass path for bypassing the amplifying circuit, wherein the bypass path is in an off-state in the amplification mode and is in an on-state in a bypass mode, and the filter bypasses an input high-frequency signal to ground, in the amplification mode.Type: ApplicationFiled: February 22, 2019Publication date: February 20, 2020Applicant: Samsung Electro-Mechanics Co., Ltd.Inventors: Hyung Jun CHO, Hyun Jin Yoo, Jong Mo Lim, Hyun Hwan Yoo, Yoo Sam Na, Yoo Hwan Kim
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Patent number: 10505517Abstract: A radio frequency switch circuit is described including a radio frequency switch and a coupler. The radio frequency switch includes a first band switch circuit connected between a first signal port and a common port, and configured to switch a first band signal. The coupler includes a first coupling wiring, disposed adjacent to a signal wiring formed between the common port of the radio frequency switch and an antenna port, and configured to form a first coupling signal with the signal wiring. A resonant frequency of the first coupling wiring is based on an inductance of the first coupling wiring and a capacitance of the radio frequency switch.Type: GrantFiled: July 6, 2018Date of Patent: December 10, 2019Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Yoo Sam Na, Jong Mo Lim, Yoo Hwan Kim, Hyun Hwan Yoo, Hyun Jin Yoo, Seong Jong Cheon
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Publication number: 20190363680Abstract: An amplifying apparatus includes a variable gain amplifying circuit configured to operate in a gain mode selected from a plurality of gain modes in response to a first control signal during operation in an amplification mode, a variable attenuation circuit configured to have an attenuation value that is adjusted in response to a second control signal, and a phase compensation value which compensates for a phase distortion in the selected gain mode, and a control circuit configured to control the selecting of the gain mode, the adjusting of the attenuation value and the phase compensation value, based on the first and second control signals.Type: ApplicationFiled: October 24, 2018Publication date: November 28, 2019Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Hyun Jin YOO, Jong Mo LIM, Yoo Sam NA, Hyung Jun CHO, Yoo Hwan KIM, Hyun Hwan YOO
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Publication number: 20190348961Abstract: A coupler circuit includes: a signal line disposed between a first terminal and a second terminal; a coupling line disposed between a coupling port and an isolation port such that the coupling line is coupled to the signal line and is configured to extract a coupling signal from the signal line; and a coupling adjusting circuit connected to the coupling port and the isolation port, and configured to reduce changes in an amount of coupling according to a change in a frequency band of a signal passing through the signal line.Type: ApplicationFiled: October 26, 2018Publication date: November 14, 2019Applicant: Samsung Electro-Mechanics Co., Ltd.Inventors: Jong Mo LIM, Hyun Jin YOO, Yoo Sam NA, Hyun Hwan YOO, Hyung Jun CHO, Yoo Hwan KIM
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Publication number: 20190341891Abstract: An apparatus includes an amplifying circuit configured to include stacked first and second transistors, and to amplify a signal input from an input terminal during an operation in an amplifying mode, and provide the amplified signal to an output terminal, and a negative feedback circuit comprising first to nth sub-negative feedback circuits, each corresponding to a separate gain mode included in the amplifying mode, wherein the negative feedback circuit is configured to provide a variable resistance value to determine a negative feedback gain based on each of the separate gain modes.Type: ApplicationFiled: November 20, 2018Publication date: November 7, 2019Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Hyun Jin YOO, Jong Mo LIM, Yoo Hwan KIM, Hyung Jun CHO, Hyun Hwan YOO, Yoo Sam NA
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Publication number: 20190334488Abstract: A low noise amplifier circuit includes a first low noise amplifier including a common gate structure cascoded with a parallel common source structure to selectively amplify a band signal among first and second band signals; a second low noise amplifier including a common gate structure cascoded with a parallel common source structure to selectively amplify a band signal among third and fourth band signals; an output DPDT circuit including a first input terminal connected to the first low noise amplifier, a second input terminal connected to the second low noise amplifier, and a first output terminal and a second output terminal for selectively outputting signals input through the first input terminal and the second input terminal; and a control circuit performing an amplification control and a switching control for the first and second low noise amplifiers and the output DPDT circuit in response to a predetermined communications scheme.Type: ApplicationFiled: October 22, 2018Publication date: October 31, 2019Applicant: Samsung Electro-Mechanics Co., Ltd.Inventors: Hyun Hwan YOO, Jong Mo LIM, Yoo Sam NA, Hyun Jin YOO, Hyung Jun CHO, Yoo Hwan KIM
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Patent number: 10305467Abstract: A radio frequency switch circuit includes: a radio frequency switch configured to control a radio frequency signal passing between a signal port and an antenna port; a first buffer configured to generate the first control voltage in response to a second control voltage; a second buffer configured to receive a third control voltage and configured to generate the second control voltage in response to the third control voltage; a first power supplier configured to supply a first high voltage to the first buffer and configured to supply a second high voltage to the second buffer; and a second power supplier configured to supply a first low voltage to the first buffer and configured to supply a second low voltage to the second buffer.Type: GrantFiled: September 1, 2017Date of Patent: May 28, 2019Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Yoo Hwan Kim, Jong Mo Lim, Yoo Sam Na, Hyun Jin Yoo, Hyun Hwan Yoo
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Patent number: 10274981Abstract: A voltage dropping apparatus may include: a voltage dropping unit receiving an input voltage, outputting the input voltage in a first mode, and dropping a level of the input voltage in a second mode; a voltage output unit connected to the voltage dropping unit, receiving and outputting the input voltage in the first mode, and receiving and outputting the dropped voltage in the second mode; and a control unit receiving a mode signal and controlling a mode change of the voltage dropping unit and the voltage output unit based on a value of the mode signal.Type: GrantFiled: November 14, 2017Date of Patent: April 30, 2019Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Hyun Hwan Yoo, Jong Myeong Kim, Yoo Hwan Kim, Yoo Sam Na, Dae Seok Jang, Hyun Jin Yoo