Patents by Inventor Jung-il An

Jung-il An 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).

  • Patent number: 10931383
    Abstract: A system for enhancing isolation in coexisting time-division duplexed (TDD) transceivers includes: a blocker canceller that transforms a transmit signal of a TDD transceiver into a blocker cancellation signal configured to remove transmit-band interference in a receive signal; a first filter that filters the blocker cancellation signal; a second filter that filters the transmit signal; and a transmit-noise canceller that transforms the filtered transmit signal into a transmit noise cancellation signal configured to remove receive-band interference in the receive signal.
    Type: Grant
    Filed: October 15, 2019
    Date of Patent: February 23, 2021
    Assignee: Kumu Networks, Inc.
    Inventors: Mayank Jain, Wilhelm Steffen Hahn, Jung-Il Choi, Jeffrey Mehlman
  • Publication number: 20210050877
    Abstract: A system for interference mitigation includes: a first transmit coupler; a receive-band noise cancellation system; a first transmit-band filter; a second transmit coupler; a first receive coupler; a transmit-band noise cancellation system; a first receive-band filter; and a second receive coupler.
    Type: Application
    Filed: November 3, 2020
    Publication date: February 18, 2021
    Inventors: Jung-il Choi, Mayank Jain, Wilhelm Steffen Hahn, Alfred Riddle
  • Patent number: 10894941
    Abstract: A microfluidic multi-well-based cell culture testing device is provided. The multi-well-based cell culture testing device has an array structure of a plurality of aligned microfluidic well units. Each of the microfluidic well units comprises an inlet through which a first fluid enters, an accommodation compartment adapted to accommodate a second fluid therein, a microfluidic channel through which the first fluid flows, and an air outlet adapted to facilitate the entering of the first fluid.
    Type: Grant
    Filed: May 2, 2014
    Date of Patent: January 19, 2021
    Assignee: QUANTAMATRIX INC.
    Inventors: Yong Gyun Jung, Eun Geun Kim, Sung hoon Kwon, Jung Il Choi
  • Publication number: 20200395966
    Abstract: A system for self-interference cancellation includes a frequency downconverter that decomposes a sampled RF transmit signal into an in-phase transmit signal and a quadrature transmit signal; a first analog vector modulator that scales the transmit signals to generate first scaled transmit signals; a second analog vector modulator that scales delayed transmit signals to generate second scaled transmit signals; a frequency upconverter that recomposes the scaled transmit signals into an RF self-interference cancellation signal; and a receive coupler that that combines the RF self-interference cancellation signal with a RF receive signal to reduce self-interference.
    Type: Application
    Filed: August 28, 2020
    Publication date: December 17, 2020
    Inventors: Wilhelm Steffen Hahn, Alfred Riddle, Ernie Landi, Dai Sieh, Jung-Il Choi, Mayank Jain
  • Patent number: 10862528
    Abstract: A system for interference mitigation includes: a first transmit coupler; a receive-band noise cancellation system; a first transmit-band filter; a second transmit coupler; a first receive coupler; a transmit-band noise cancellation system; a first receive-band filter; and a second receive coupler.
    Type: Grant
    Filed: March 4, 2020
    Date of Patent: December 8, 2020
    Assignee: Kumu Networks, Inc.
    Inventors: Jung-il Choi, Mayank Jain, Wilhelm Steffen Hahn, Alfred Riddle
  • Patent number: 10861625
    Abstract: An electronic component and a manufacturing method thereof are disclosed. An electronic component includes a substrate, a conductor pattern portion disposed on the substrate, a first electrode pattern and a second electrode pattern disposed on the conductor pattern portion, and at least one dummy electrode pattern disposed to be spaced apart from the first electrode pattern and the second electrode pattern and disposed on the substrate. A width of the first electrode pattern is substantially the same as a width of a portion of the conductor pattern portion in contact with the first electrode pattern, and a width of the second electrode pattern is substantially the same as a width of a portion of the conductor pattern portion in contact with the second electrode pattern.
    Type: Grant
    Filed: March 12, 2019
    Date of Patent: December 8, 2020
    Assignee: SAMSUNG ELECTRO-MECHANICS CO LTD
    Inventors: Jong Pil Lee, Ichiro Tanaka, Doo Ho Yoo, Hyun Jun Choi, Hyung Gon Kim, Hyung Seok Roh, Jung Il Kim
  • Patent number: 10845882
    Abstract: The present invention relates to a method, an apparatus, and a computer-readable medium for providing an internet browsing service through a tactile interface device, and more particularly, to a method, an apparatus, and a computer-readable medium for providing an internet browsing service through a tactile interface device, which allow a visually impaired person to intuitively use, interact, and control the tactile interface device that corresponds to a multi-array tactile cell-based smart braille device in order to increase the efficiency of the use of a smart device (smart phone, smart pad, etc.) or a smart braille device and to improve the level of informatization of the visually impaired person, so that the visually impaired person may intuitively use the content of a web page.
    Type: Grant
    Filed: March 25, 2019
    Date of Patent: November 24, 2020
    Assignees: Power Contents Technology Co., Ltd., GACHON UNIVERSITY-INDUSTRY FOUNDATION
    Inventors: Jung il Jung, Jin soo Cho
  • Patent number: 10840024
    Abstract: A multilayer capacitor includes: a first internal electrode layer including first and second internal electrodes disposed to face each other with an insulating portion interposed therebetween; a second internal electrode layer including a third internal electrode and a lead portion connected to the third internal electrode; a body including the first and second internal electrode layers alternately disposed with respective dielectric layers interposed therebetween; first and second external electrodes disposed on the body to be connected to the first and second internal electrodes, respectively; and a third external electrode disposed on the body to be connected to the lead portion.
    Type: Grant
    Filed: June 18, 2018
    Date of Patent: November 17, 2020
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Jong Pil Lee, Jung Il Kim, Jin Man Jung, Young Key Kim, Jin Kyung Joo
  • Patent number: 10839994
    Abstract: A varistor includes a substrate; first and second electrodes disposed on an upper side and a lower side of the substrate, respectively; a core varistor body surrounded by the substrate and disposed between the first and second electrodes; first and second terminals having at least portions disposed on one side and the other side of the substrate, respectively, and electrically connected to the first and second electrodes, respectively; and a cover varistor body covering the core varistor body and disposed in a level higher than an upper surface of the substrate or disposed in a level lower than a lower surface of the substrate.
    Type: Grant
    Filed: September 13, 2019
    Date of Patent: November 17, 2020
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Ic Seob Kim, Jung Il Kim, Yong Sung Kim, Hae In Kim
  • Patent number: 10804943
    Abstract: A system for self-interference cancellation includes a frequency downconverter that decomposes a sampled RF transmit signal into an in-phase transmit signal and a quadrature transmit signal; a first analog vector modulator that scales the transmit signals to generate first scaled transmit signals; a second analog vector modulator that scales delayed transmit signals to generate second scaled transmit signals; a frequency upconverter that recomposes the scaled transmit signals into an RF self-interference cancellation signal; and a receive coupler that that combines the RF self-interference cancellation signal with a RF receive signal to reduce self-interference.
    Type: Grant
    Filed: August 13, 2019
    Date of Patent: October 13, 2020
    Assignee: Kumu Networks, Inc.
    Inventors: Wilhelm Steffen Hahn, Alfred Riddle, Ernie Landi, Dai Sieh, Jung-Il Choi, Mayank Jain
  • Publication number: 20200312187
    Abstract: Provided is a tactile display tablet capable of stably and fast driving a braille display, which includes: a control unit generating a tactile map including information on entire tactile pixels based on output data of a connected user terminal or output data of a self-driven application; a tactile divider unit extracting differential data on the tactile map based on a difference between a tactile map currently received from the control unit and a previously received tactile map, and generating first division differential maps by dividing the differential data; a first slave unit configured to generate second division differential maps by dividing the first division differential maps; a second slave unit generating third division differential maps by dividing the second division differential maps; and a third slave unit for implementing a tactile display according to the entire tactile pixels based on the third division differential maps.
    Type: Application
    Filed: February 13, 2020
    Publication date: October 1, 2020
    Applicants: Power Contents Technology Co., Ltd., GACHON UNIVERSITY-INDUSTRY FOUNDATION
    Inventors: Jung Il JUNG, Jin Soo CHO
  • Patent number: 10777238
    Abstract: A calibration circuit includes a reference resistor leg, a calibration code generation circuit, and an emphasis circuit. The reference resistor leg is coupled to an external reference resistor through a reference resistor node, and changes a voltage level of the reference resistor node based on a calibration code. The emphasis circuit accelerates a voltage level change of the reference resistor node based on the calibration code.
    Type: Grant
    Filed: September 20, 2019
    Date of Patent: September 15, 2020
    Assignee: SK hynix Inc.
    Inventor: Jung Il Ahn
  • Publication number: 20200281047
    Abstract: The heating film including: a transparent substrate; a coating layer provided on the transparent substrate and having a refractive index of 1.450 to 1.485; and a metal foil pattern provided on the coating layer, in which a ten-point average roughness (Rz) of a surface of the metal foil pattern is more than 0.9 ?m.
    Type: Application
    Filed: December 5, 2018
    Publication date: September 3, 2020
    Inventors: Jiehyun SEONG, Jung Il YOON, Sang Hoon SON, Kiseok LEE, Yong Goo SON, Jooyeon KIM, Jong Sung PARK, Seung Heon LEE
  • Publication number: 20200265878
    Abstract: A calibration circuit includes a reference resistor leg, a calibration code generation circuit, and an emphasis circuit. The reference resistor leg is coupled to an external reference resistor through a reference resistor node, and changes a voltage level of the reference resistor node based on a calibration code. The emphasis circuit accelerates a voltage level change of the reference resistor node based on the calibration code.
    Type: Application
    Filed: September 20, 2019
    Publication date: August 20, 2020
    Applicant: SK hynix Inc.
    Inventor: Jung Il AHN
  • Publication number: 20200259555
    Abstract: An optically-enhanced relay including a first transmitter that converts a first digital transmit signal to a first analog transmit signal, a first receiver that converts a first analog receive signal to a first digital receive signal, a second transmitter that converts a second digital transmit signal to a second analog transmit signal, a second receiver that converts a second analog receive signal to a second digital receive signal, and an optically-enhanced analog self-interference canceller that generates a first self-interference cancellation signal based on at least one of the first digital transmit signal and the first analog transmit signal, and combines the first self-interference cancellation signal with at least one of the first digital receive signal and the first analog receive signal.
    Type: Application
    Filed: April 27, 2020
    Publication date: August 13, 2020
    Inventors: Steven Hong, Jeffrey Mehlman, Joel Brand, Jung-Il Choi, Mayank Jain
  • Patent number: 10734141
    Abstract: An electronic component and a manufacturing method thereof are disclosed. The electronic component includes a substrate, a conductor pattern portion disposed on the substrate, a first electrode pattern and a second electrode pattern disposed on the conductor pattern portion, at least one dummy conductor pattern disposed to be spaced apart from the conductor pattern portion and disposed on the substrate, and at least one dummy electrode pattern disposed on the at least one dummy conductor pattern. A width of the first electrode pattern is substantially the same as a width of a portion of the conductor pattern portion in contact with the first electrode pattern, and a width of the second electrode pattern is substantially the same as a width of a portion of the conductor pattern portion in contact with the second electrode pattern.
    Type: Grant
    Filed: March 11, 2019
    Date of Patent: August 4, 2020
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Jong Pil Lee, Doo Ho Yoo, Hyung Gon Kim, Jung Il Kim, Hyun Jun Choi, Hyung Seok Roh
  • Publication number: 20200233464
    Abstract: A display device is capable of substantially preventing damage to a display panel and a hinge portion, the display device including: a panel support portion including a first support portion, a second support portion, and a third support portion; a first hinge portion connecting the first support portion and the second support portion; a second hinge portion connecting the second support portion and the third support portion; a flexible display panel disposed on the panel support portion; and a hinge controller controlling each of the first hinge portion and the second hinge portion to be rotatable or unrotatable based on a first angle between the second support portion and the first support portion and a second angle between the second support portion and the third support portion.
    Type: Application
    Filed: January 3, 2020
    Publication date: July 23, 2020
    Inventor: Jung-il LEE
  • Patent number: 10706994
    Abstract: A varistor includes a varistor body, a first terminal disposed on one side of the varistor body, a second terminal disposed on the other side of the varistor body, a first electrode disposed on an upper portion of the varistor body, electrically connected to the first terminal, and extending towards the other side of the varistor body, and a second electrode disposed on a lower portion of the varistor body, electrically connected to the second terminal, and extending towards the one side of the varistor body.
    Type: Grant
    Filed: August 8, 2019
    Date of Patent: July 7, 2020
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Ic Seob Kim, Jung Il Kim, Yong Sung Kim, Eun Ju Oh, Su Rim Bae, Hae In Kim
  • Publication number: 20200204206
    Abstract: A system for interference mitigation includes: a first transmit coupler; a receive-band noise cancellation system; a first transmit-band filter; a second transmit coupler; a first receive coupler; a transmit-band noise cancellation system; a first receive-band filter; and a second receive coupler.
    Type: Application
    Filed: March 4, 2020
    Publication date: June 25, 2020
    Inventors: Jung-il Choi, Mayank Jain, Wilhelm Steffen Hahn, Alfred Riddle
  • Publication number: 20200185748
    Abstract: The present exemplary embodiments disclose a redox flow battery. The present exemplary embodiments disclose a redox flow battery which forms a mixing space for mixing an active material in a porous electrode to improve a ununiform concentration of the active material, thereby improving an energy efficiency by reducing an over-potential and increasing an area of the stack and an output thereof.
    Type: Application
    Filed: February 14, 2019
    Publication date: June 11, 2020
    Inventors: Jung Il CHOI, Yun Young CHOI, Min Gyu YANG