Patents by Inventor Kyu-Sub Kwak
Kyu-Sub Kwak 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: 11360305Abstract: An optical system is provided which includes a light source which outputs light; a first waveguide; a transmissive reflective layer provided on a top surface of the first waveguide and configured to reflect some light and transmit the remaining light incident thereon; a second waveguide provided on a top surface of the transmissive reflective layer; an in-coupler provided on the first waveguide and configured to allow the light output by the light source to enter the first waveguide; and an out-coupler provided on one of the first waveguide and the second waveguide and configured to emit light from the optical system.Type: GrantFiled: October 16, 2018Date of Patent: June 14, 2022Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Myong-jo Choi, Kyu-sub Kwak, Jae-eun Kang
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Patent number: 11119571Abstract: Provided is a virtual image display device including: an image generator outputting a virtual image; a filter transmitting light in a first polarization state in the output virtual image; a multipath optical element guiding the transmitted light in the first polarization state; a first optical element arranged on a first side of the multipath optical element and allowing the guided light in the first polarization state and real-world light to pass therethrough; a second optical element arranged on a second side opposite to the first side of the multipath optical element and allowing the real-world light to pass therethrough; and a processor controlling the image generator, the first optical element, and the second optical element.Type: GrantFiled: July 11, 2018Date of Patent: September 14, 2021Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Chi-yul Yoon, Jae-woo Ko, Ji-woon Yeom, Kyu-sub Kwak, Jae-Eun Kang
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Patent number: 11019149Abstract: A hub apparatus and a method are provided for selecting a device. The method includes receiving a service request; determining a sensor based on the received service request; receiving state information from a device including the determined sensor; and selecting the device based on the received state information.Type: GrantFiled: July 11, 2016Date of Patent: May 25, 2021Inventors: Sung-jin Kim, Kwang-min Byeon, Ho-chul Shin, Hee-bum Ahn, Doo-woong Lee, Kyu-sub Kwak, Jae-keun Na, Sun-min Park, Taik-heon Rhee, Jae-hyuck Shin, Sang-wook Lee, Hyun-jung Kim
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Patent number: 10819160Abstract: A wireless power transmitter for wirelessly transmitting power to a wireless power receiver is provided. A wireless power transmitter according to various embodiments may include: a driving unit that provides power; and a power transmission unit that wirelessly transmits power to the wireless power receiver based on the power received from the driving unit, wherein the power transmission unit may include at least one capacitor; a first coil connected to the at least one capacitor, and a second coil connected to the at least one capacitor and disposed parallel to the first coil.Type: GrantFiled: March 4, 2016Date of Patent: October 27, 2020Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jae-Hyun Park, Chang-Yeong Kim, Young-Ho Ryu, Kyu-Sub Kwak, Dong-Zo Kim
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Publication number: 20200201428Abstract: Provided is a virtual image display device including: an image generator outputting a virtual image; a filter transmitting light in a first polarization state in the output virtual image; a multipath optical element guiding the transmitted light in the first polarization state; a first optical element arranged on a first side of the multipath optical element and allowing the guided light in the first polarization state and real-world light to pass therethrough; a second optical element arranged on a second side opposite to the first side of the multipath optical element and allowing the real-world light to pass therethrough; and a processor controlling the image generator, the first optical element, and the second optical element.Type: ApplicationFiled: July 11, 2018Publication date: June 25, 2020Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Chi-yul YOON, Jae-woo KO, Ji-woon YEOM, Kyu-sub KWAK, Jae-eun KANG
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Publication number: 20190187472Abstract: An optical system is provided which includes a light source which outputs light; a first waveguide; a transmissive reflective layer provided on a top surface of the first waveguide and configured to reflect some light and transmit the remaining light incident thereon; a second waveguide provided on a top surface of the transmissive reflective layer; an in-coupler provided on the first waveguide and configured to allow the light output by the light source to enter the first waveguide; and an out-coupler provided on one of the first waveguide and the second waveguide and configured to emit light from the optical system.Type: ApplicationFiled: October 16, 2018Publication date: June 20, 2019Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Myong-jo CHOI, Kyu-sub KWAK, Jae-eun KANG
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Patent number: 10218205Abstract: Apparatuses, systems, and methods of wireless power transmission/reception are described. In one wireless power transmission/reception device, a planar resonator capable of generating magnetic fields has one or more ferrite members mounted thereon such that the magnetic fields generated by the planar resonator have an overall direction substantially tilted or parallel to its opening/face, i.e., to the plane of the planar resonator. In a wireless power reception device, the planar resonator generates magnetic fields and an induced current when being resonated by external magnetic fields; in a wireless power transmission device, the planar resonator generates magnetic fields when being supplied with power.Type: GrantFiled: September 30, 2015Date of Patent: February 26, 2019Assignee: Samsung Electronics Co., LtdInventors: Jae-Hyun Park, Young-Ho Ryu, Kyu-Sub Kwak, Sang-Wook Kwon, Do-Won Kim, Dong-Zo Kim, Keum-Su Song, Chi-Hyung Ahn
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Patent number: 9973024Abstract: A wireless power transmitter and a method for detecting a change in load during wireless charging in the wireless power transmitter is provided. The wireless power transmitter includes a power transmission unit configured to transmit power to a wireless power receiver, a current detection unit configured to measure a voltage value corresponding to a current that is output to the power transmission unit while the power is transmitted from the power transmission unit, and a controller configured to adjust the power transmitted by the power transmission unit based on the measured voltage value.Type: GrantFiled: March 13, 2015Date of Patent: May 15, 2018Assignees: Samsung Electronics Co., Ltd, Kwangwoon University Industry-Academic Collaboration FoundationInventors: Sung-Ku Yeo, Yun-Seong Eo, Kyu-Sub Kwak, Sung-Bum Park, Hyun-Jun Ahn
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Patent number: 9960632Abstract: Disclosed are a method and apparatus for controlling a booster circuit such that maximum power is extracted from a power supply while power consumption for monitoring power generated by the power supply is reduced, and an apparatus for extracting maximum power by using the method and apparatus for controlling a booster circuit.Type: GrantFiled: March 9, 2015Date of Patent: May 1, 2018Assignees: Samsung Electronics Co., Ltd, Korea Advanced Institute of Science and TechnologyInventors: Je-in Yu, Gyu-hyeong Cho, Kyu-sub Kwak, Hui-dong Gwon, June-hyeon Ahn, Young-sub Yuk
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Publication number: 20170013062Abstract: A hub apparatus and a method are provided for selecting a device. The method includes receiving a service request; determining a sensor based on the received service request; receiving state information from a device including the determined sensor; and selecting the device based on the received state information.Type: ApplicationFiled: July 11, 2016Publication date: January 12, 2017Inventors: Sung-jin KIM, Kwang-min BYEON, Ho-chul SHIN, Hee-bum AHN, Doo-woong LEE, Kyu-sub KWAK, Jae-keun NA, Sun-min PARK, Taik-heon RHEE, Jae-hyuck SHIN, Sang-wook LEE, Hyun-jung KIM
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Publication number: 20160261142Abstract: A wireless power transmitter for wirelessly transmitting power to a wireless power receiver is provided. A wireless power transmitter according to various embodiments may include: a driving unit that provides power; and a power transmission unit that wirelessly transmits power to the wireless power receiver based on the power received from the driving unit, wherein the power transmission unit may include at least one capacitor; a first coil connected to the at least one capacitor, and a second coil connected to the at least one capacitor and disposed parallel to the first coil.Type: ApplicationFiled: March 4, 2016Publication date: September 8, 2016Inventors: Jae-Hyun PARK, Chang-Yeong KIM, Young-Ho RYU, Kyu-Sub KWAK, Dong-Zo KIM
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Patent number: 9413432Abstract: Provided is a near field wireless communication apparatus that uses magnetic coupling and a method for operation of the apparatus, in which the magnetic coupling is used to transmit data or clock information with low power and high efficiency. A pulse generator of the near field wireless communication apparatus generates a pulse signal corresponding to transmission digital data to be transmitted. When the transmission digital data is “1,” the near field wireless communication apparatus modulates the data into the pulse signal and transmits the pulse signal. When the data is “0,” the near field wireless communication apparatus does not output the pulse.Type: GrantFiled: August 16, 2013Date of Patent: August 9, 2016Assignees: Samsung Electronics Co., Ltd, Korea Advanced Institute of Science and TechnologyInventors: Jae-Young Huh, Hoi-Jun Yoo, Dong-Churl Kim, Kyu-Sub Kwak, Jea-Hyuck Lee, Hyun-Woo Cho, Tae-Hwan Roh, Un-Soo Ha
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Publication number: 20160118845Abstract: A wireless power transmitter and a method for detecting a change in load during wireless charging in the wireless power transmitter is provided. The wireless power transmitter includes a power transmission unit configured to transmit power to a wireless power receiver, a current detection unit configured to measure a voltage value corresponding to a current that is output to the power transmission unit while the power is transmitted from the power transmission unit, and a controller configured to adjust the power transmitted by the power transmission unit based on the measured voltage value.Type: ApplicationFiled: March 13, 2015Publication date: April 28, 2016Inventors: Sung-Ku YEO, Yun-Seong Eo, Kyu-Sub Kwak, Sung-Bum Park, Hyun-Jun Ahn
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Publication number: 20160099577Abstract: Apparatuses, systems, and methods of wireless power transmission/reception are described. In one wireless power transmission/reception device, a planar resonator capable of generating magnetic fields has one or more ferrite members mounted thereon such that the magnetic fields generated by the planar resonator have an overall direction substantially tilted or parallel to its opening/face, i.e., to the plane of the planar resonator. In a wireless power reception device, the planar resonator generates magnetic fields and an induced current when being resonated by external magnetic fields; in a wireless power transmission device, the planar resonator generates magnetic fields when being supplied with power.Type: ApplicationFiled: September 30, 2015Publication date: April 7, 2016Inventors: Jae-Hyun PARK, Young-Ho RYU, Kyu-Sub KWAK, Sang-Wook KWON, Do-Won KIM, Dong-Zo KIM, Keum-Su SONG, Chi-Hyung AHN
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Publication number: 20150263621Abstract: Disclosed are a method and apparatus for controlling a booster circuit such that maximum power is extracted from a power supply while power consumption for monitoring power generated by the power supply is reduced, and an apparatus for extracting maximum power by using the method and apparatus for controlling a booster circuit.Type: ApplicationFiled: March 9, 2015Publication date: September 17, 2015Inventors: Je-in YU, Gyu-hyeong Cho, Kyu-sub Kwak, Hui-dong Gwon, June-hyeon Ahn, Young-sub Yuk
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Publication number: 20140152405Abstract: A coupler structure of a mobile terminal having a repeater applied thereto is provided. The coupler structure includes a first substrate having a reception coupler, a second substrate having a transmission coupler, and a repeater disposed between the first substrate and the second substrate.Type: ApplicationFiled: December 4, 2013Publication date: June 5, 2014Applicant: Samsung Electronics Co., Ltd.Inventors: Jae-Young HUH, Kyu-Sub KWAK, Dong-Churl KIM, In-Kuk YUN, Jea-Hyuck LEE
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Publication number: 20140086345Abstract: A near field wireless communication apparatus using a magnetic coupling to transmit data or clock information with low power and high efficiency is provided. Thus, when data to be transmitted is “1,” the near field wireless communication apparatus modulates the data into a pulse signal and transmits the pulse signal, and when the data is “0,” the near field wireless communication apparatus does not generate a signal at all.Type: ApplicationFiled: August 16, 2013Publication date: March 27, 2014Applicants: Korea Advanced Institute of Science and Technology, Samsung Electronics Co., Ltd.Inventors: Jae-Young HUH, Hoi-Jun Yoo, Dong-Churl Kim, Kyu-Sub Kwak, Jea-Hyuck Lee, Hyun-Woo Cho, Tae-Hwan Roh, Un-Soo Ha
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Patent number: 8630096Abstract: A large capacity memory module mounting device employed in a portable terminal is provided, including a large capacity memory module including a plurality of first contact pads; and a flexible circuit board including a plurality of second contact pads and electrically connected to the large capacity memory module by forming solder pads in a heating process after the first and second contact pads are positioned in a face-to-face manner. Accordingly, the large capacity memory module can be advantageously mounted to the portable terminal and an electromagnetic field can be effectively shielded.Type: GrantFiled: March 17, 2011Date of Patent: January 14, 2014Assignee: Samsung Electronics Co., LtdInventors: Yu-Su Kim, Kyu-Sub Kwak, Young-Min Lee, Shi-Yun Cho, Jae-Hyuck Lee, Se-Ho Park, Youn-Ho Choi, Seung-Woo Han, Ji-Hyun Jung
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Publication number: 20130042904Abstract: A solar cell module includes a window unit integrally formed with a transparent substrate unit, a plurality of solar cells, and an electrode unit electrically connected to the solar cells. The solar cells and the electrode unit are provided in the transparent substrate unit.Type: ApplicationFiled: August 8, 2012Publication date: February 21, 2013Applicant: Samsung Electronics Co., Ltd.Inventors: June-Hyeon AHN, Kyu-Sub Kwak, Ji-Hoon Jung, Shin-Hee Cho
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Patent number: D747268Type: GrantFiled: April 22, 2014Date of Patent: January 12, 2016Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Do-Won Kim, Kyu-Sub Kwak, Sung-Bum Park, Keum-Su Song, Kyung-Woo Lee