Patents by Inventor Jae-Sung Rieh
Jae-Sung Rieh 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: 11616546Abstract: Disclosed is a high frequency beam forming device. The high frequency beam forming device includes a 2D radiation array structure unit in which oscillators coupled to antennas are arranged in 2D; and a plurality of phase difference detectors coupled between the oscillators formed in the 2D radiation array structure unit to detect a phase difference between the coupled oscillators.Type: GrantFiled: March 11, 2021Date of Patent: March 28, 2023Assignee: Korea University Research and Business FoundationInventors: Jae-Sung Rieh, Jung-Hwan Yoo
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Publication number: 20220069875Abstract: Disclosed is a high frequency beam forming device. The high frequency beam forming device includes a 2D radiation array structure unit in which oscillators coupled to antennas are arranged in 2D; and a plurality of phase difference detectors coupled between the oscillators formed in the 2D radiation array structure unit to detect a phase difference between the coupled oscillators.Type: ApplicationFiled: March 11, 2021Publication date: March 3, 2022Applicant: KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATIONInventors: Jae-Sung RIEH, Jung-Hwan YOO
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Patent number: 11205534Abstract: Disclosed is an ultra low power transimpedance amplifier based on spintronics. According to the present invention, provided is an ultra low power transimpedance amplifier based on spintronics, which includes: a spintronics based oscillator receiving current and outputting an alternating signal by using spin transfer torque or spin orbit torque; a bandpass filter passing a signal in a predetermined frequency band of the alternating signal output by the spintronics based oscillator; and a spintronics based detector outputting voltage by inputting the signal in the predetermined frequency band, which is output by the bandpass filter.Type: GrantFiled: June 3, 2020Date of Patent: December 21, 2021Assignee: Korea University Research and Business FoundationInventors: Jae-Sung Rieh, Kyung Jin Lee, Do Yoon Kim, Jae Hyeon Park
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Patent number: 10930620Abstract: The present invention relates to a multi-chip detector apparatus composed of multiple single detectors. An embodiment of the invention provides a multi-chip detector apparatus having a multiple number of single chips arranged in inter-chip connection on a substrate, where the multi-chip detector apparatus includes: a first single chip that has a multiple number of single detectors formed in m rows and n columns; a second single chip that is positioned at either a left side or a right side of the first single chip and is connected row-wise with the first single chip; and a third single chip that is positioned at either an upper side or a lower side of the first single chip and is connected column-wise with the first single chip, and where the second single chip and the third single chip also have multiple numbers of single detectors formed in m rows and n columns.Type: GrantFiled: July 9, 2019Date of Patent: February 23, 2021Assignee: Korea University Research and Business FoundationInventors: Jae-Sung Rieh, Ki Ryong Song, Jai Heon Cho, DoYoon Kim
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Publication number: 20200388424Abstract: Disclosed is an ultra low power transimpedance amplifier based on spintronics. According to the present invention, provided is an ultra low power transimpedance amplifier based on spintronics, which includes: a spintronics based oscillator receiving current and outputting an alternating signal by using spin transfer torque or spin orbit torque; a bandpass filter passing a signal in a predetermined frequency band of the alternating signal output by the spintronics based oscillator; and a spintronics based detector outputting voltage by inputting the signal in the predetermined frequency band, which is output by the bandpass filter.Type: ApplicationFiled: June 3, 2020Publication date: December 10, 2020Applicant: KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATIONInventors: Jae-Sung RIEH, Kyung Jin LEE, Do Yoon KIM, Jae Hyeon PARK
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Patent number: 10581535Abstract: A device and a method for reducing an influence of interference between signals using an aperture array in chip-to-chip wireless communication are provided. The device includes a transmitter including at least one transmission antenna for transmitting a signal, a receiver including at least one reception antenna for receiving the signal, a guide structure including at least one opening for guiding a path of the signal, and the at least one transmission antenna, the at least one reception antenna, and the at least one opening are arranged to correspond to one another.Type: GrantFiled: December 27, 2016Date of Patent: March 3, 2020Assignees: Samsung Electronics Co., Ltd., Korea University Research and Business FoundationInventors: Jae-Sung Rieh, Daekeun Yoon, Jungsoo Kim
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Publication number: 20200043898Abstract: The present invention relates to a multi-chip detector apparatus composed of multiple single detectors. An embodiment of the invention provides a multi-chip detector apparatus having a multiple number of single chips arranged in inter-chip connection on a substrate, where the multi-chip detector apparatus includes: a first single chip that has a multiple number of single detectors formed in m rows and n columns; a second single chip that is positioned at either a left side or a right side of the first single chip and is connected row-wise with the first single chip; and a third single chip that is positioned at either an upper side or a lower side of the first single chip and is connected column-wise with the first single chip, and where the second single chip and the third single chip also have multiple numbers of single detectors formed in m rows and n columns.Type: ApplicationFiled: July 9, 2019Publication date: February 6, 2020Applicant: KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATIONInventors: Jae-Sung RIEH, Ki Ryong SONG, Jai Heon CHO, DoYoon KIM
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Patent number: 10523217Abstract: A frequency locked loop is disclosed. The disclosed frequency locked loop may include: a voltage-controlled oscillator configured to output a LO signal; a mixer configured to mix an RF signal with the LO signal to output an IF signal; a first IF path part configured to transfer the IF signal; a second IF path part configured to transfer the IF signal; and an error amplifier configured to receive output signals of the first IF path part and output signals of the second IF part as input, where the voltage-controlled oscillator adjusts a frequency of the LO signal based on an output signal of the error amplifier, the first IF path part has the conversion gain decreased according to an increase in the frequency of the IF signal, and the second IF path part has the conversion gain increased according to an increase in the frequency of the IF signal.Type: GrantFiled: December 27, 2018Date of Patent: December 31, 2019Assignee: KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATIONInventors: Jae-Sung Rieh, Jung Soo Kim
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Patent number: 10381980Abstract: The apparatus comprises a first coupler configured to receive two output signals, having 180° phase difference, outputted from a first differential generator as two input signals, and output a first voltage signal generated by adding the two input signals and a second voltage signal corresponding to subtraction of the two input signals, a second coupler configured to receive two output signals, having 180° phase difference, outputted from a second differential generator as two input signals, and output a third voltage signal generated by adding the two input signals and a fourth voltage signal corresponding to subtraction of the two input signals, a coupling network connected to the first differential generator and the second differential generator and a third coupler configured to output a signal generated by adding the voltage signal outputted from the first coupler and corresponding voltage signal outputted from the second coupler.Type: GrantFiled: December 31, 2014Date of Patent: August 13, 2019Assignee: KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATIONInventors: Jae Sung Rieh, Jong Won Yun
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Publication number: 20190238140Abstract: A frequency locked loop is disclosed. The disclosed frequency locked loop may include: a voltage-controlled oscillator configured to output a LO signal; a mixer configured to mix an RF signal with the LO signal to output an IF signal; a first IF path part configured to transfer the IF signal; a second IF path part configured to transfer the IF signal; and an error amplifier configured to receive output signals of the first IF path part and output signals of the second IF part as input, where the voltage-controlled oscillator adjusts a frequency of the LO signal based on an output signal of the error amplifier, the first IF path part has the conversion gain decreased according to an increase in the frequency of the IF signal, and the second IF path part has the conversion gain increased according to an increase in the frequency of the IF signal.Type: ApplicationFiled: December 27, 2018Publication date: August 1, 2019Inventors: Jae-Sung RIEH, Jung Soo Kim
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Publication number: 20170257062Abstract: The apparatus comprises a first coupler configured to receive two output signals, having 180° phase difference, outputted from a first differential generator as two input signals, and output a first voltage signal generated by adding the two input signals and a second voltage signal corresponding to subtraction of the two input signals, a second coupler configured to receive two output signals, having 180° phase difference, outputted from a second differential generator as two input signals, and output a third voltage signal generated by adding the two input signals and a fourth voltage signal corresponding to subtraction of the two input signals, a coupling network connected to the first differential generator and the second differential generator and a third coupler configured to output a signal generated by adding the voltage signal outputted from the first coupler and corresponding voltage signal outputted from the second coupler.Type: ApplicationFiled: December 31, 2014Publication date: September 7, 2017Inventors: Jae Sung RIEH, Jong Won YUN
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Publication number: 20170201333Abstract: A device and a method for reducing an influence of interference between signals using an aperture array in chip-to-chip wireless communication are provided. The device includes a transmitter including at least one transmission antenna for transmitting a signal, a receiver including at least one reception antenna for receiving the signal, a guide structure including at least one opening for guiding a path of the signal, and the at least one transmission antenna, the at least one reception antenna, and the at least one opening are arranged to correspond to one another.Type: ApplicationFiled: December 27, 2016Publication date: July 13, 2017Inventors: Jae-Sung RIEH, Daekeun YOON, Jungsoo KIM
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Patent number: 9692355Abstract: An oscillator for high-frequency signal generation is disclosed. Provided according to the present invention is an oscillator for high-frequency signal generation comprising: a first transistor comprising a first collector for receiving a power supply voltage from a load, a first base connected to a ground, and a first emitter connected to the first base; and a second transistor comprising a second collector for receiving a power supply voltage from the load, a second base connected to a ground, and a second emitter connected to the second base, the oscillator having a common-base cross-coupled structure in which the first collector and the second emitter are cross-coupled and the second collector and the first emitter are cross-coupled.Type: GrantFiled: December 10, 2014Date of Patent: June 27, 2017Assignee: KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATIONInventors: Jae Sung Rieh, Jong Won Yun, Nam Hyung Kim
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Patent number: 9617146Abstract: A method of fabricating a nano resonator, includes forming a line pattern in a first substrate, and transferring the line pattern to a second substrate including a gate electrode. The method further includes forming a source electrode and a drain electrode on the transferred line pattern.Type: GrantFiled: December 2, 2013Date of Patent: April 11, 2017Assignees: Samsung Electronics Co., Ltd., KOREA UNIVERSITY INDUSTRIAL & ACADEMIC COLLABORATION FOUNDATIONInventors: Duck Hwan Kim, In Sang Song, Jea Shik Shin, Ho Soo Park, Jae-Sung Rieh, Byeong Kwon Ju
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Publication number: 20160294324Abstract: An oscillator for high-frequency signal generation is disclosed. Provided according to the present invention is an oscillator for high-frequency signal generation comprising: a first transistor comprising a first collector for receiving a power supply voltage from a load, a first base connected to a ground, and a first emitter connected to the first base; and a second transistor comprising a second collector for receiving a power supply voltage from the load, a second base connected to a ground, and a second emitter connected to the second base, the oscillator having a common-base cross-coupled structure in which the first collector and the second emitter are cross-coupled and the second collector and the first emitter are cross-coupled.Type: ApplicationFiled: December 10, 2014Publication date: October 6, 2016Inventors: Jae Sung RIEH, Jong Won YUN, Nam Hyun KIM
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Patent number: 9397229Abstract: A nano resonance apparatus includes a gate electrode configured to generate a magnetic field, and a nanowire connecting a source electrode to a drain electrode and configured to vibrate in the presence of the magnetic field. The nanowire includes a protruding portion extending in a direction of the gate electrode.Type: GrantFiled: October 18, 2013Date of Patent: July 19, 2016Assignees: Samsung Electronics Co., Ltd., Korea University Industrial & Academic Collaboration FoundationInventors: In Sang Song, Ho Soo Park, Duck Hwan Kim, Sang Uk Son, Jae Shik Shin, Jae-Sung Rieh, Byeong Kwon Ju, Dong Hoon Hwang
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Patent number: 9312333Abstract: A resonator and a method for manufacturing a resonator are provided. The method may include doping a wafer, and forming on the wafer a substrate, a drain electrode, a source electrode, a gate electrode, and at least one nanowire.Type: GrantFiled: November 22, 2011Date of Patent: April 12, 2016Assignees: Samsung Electronics Co., Ltd., Korea University Industrial & Academic Collaboration FoundationInventors: In Sang Song, Sung Woo Hwang, Yun Kwon Park, Byeong Kwon Ju, Jae Sung Rieh, Jea Shik Shin, Hee Tae Kim
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Patent number: 9054673Abstract: A resonator fabrication method is provided. A method includes providing a plurality of electrode patterns disposed apart from each other on a substrate using a nano-imprint technique; and forming an extended electrode pattern connected to a plurality of electrode patterns, and forming a nano structure laid across an extended electrode patterns. Therefore, a nano-electromechanical system (NEMS) resonator is easily fabricated at a nanometer level.Type: GrantFiled: November 1, 2013Date of Patent: June 9, 2015Assignees: Samsung Electronics Co., Ltd., Korea University Industrial and Academic Collaboration FoundationInventors: Yun-kwon Park, Byeoung-ju Ha, Byeong-Kwon Ju, Jae-sung Rieh, In-sang Song, Jin-woo Lee, Jea-shik Shin, Young-min Park
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Publication number: 20140191185Abstract: A method of fabricating a nano resonator, includes forming a line pattern in a first substrate, and transferring the line pattern to a second substrate including a gate electrode. The method further includes forming a source electrode and a drain electrode on the transferred line pattern.Type: ApplicationFiled: December 2, 2013Publication date: July 10, 2014Applicants: Korea University Industrial & Academic Collaboration Foundation, SAMSUNG ELECTRONICS CO., LTD.Inventors: Duck Hwan KIM, In Sang SONG, Jea Shik SHIN, Ho Soo PARK, Jae-Sung RIEH, Byeong Kwon JU
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Publication number: 20140110763Abstract: A nano resonance apparatus includes a gate electrode configured to generate a magnetic field, and a nanowire connecting a source electrode to a drain electrode and configured to vibrate in the presence of the magnetic field. The nanowire includes a protruding portion extending in a direction of the gate electrode.Type: ApplicationFiled: October 18, 2013Publication date: April 24, 2014Applicants: Korea University Industrial & Academic Collaboration Foundation, SAMSUNG ELECTRONICS CO., LTD.Inventors: In Sang Song, Ho Soo Park, Duck Hwan Kim, Sang Uk Son, Jae Shik Shin, Jae-Sung Rieh, Byeong Kwon Ju, Dong Hoon Hwang