Patents by Inventor Yu Heon Yi

Yu Heon Yi 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: 11679543
    Abstract: This application relates to an imprinting apparatus and method. In one aspect, the imprinting apparatus applies pressure between a master substrate and a polymer film to transfer a pattern formed on the master substrate to the polymer film. The imprinting apparatus includes a plurality of coils and the surface of the master substrate is heated by an electromagnetic field induced by the plurality of coils. Through holes are defined in each of the plurality of coils, and support bars are inserted into the through holes. The positions of the plurality of coils are changed corresponding to the master substrate.
    Type: Grant
    Filed: September 10, 2019
    Date of Patent: June 20, 2023
    Assignee: ITED INC.
    Inventors: Jee-Hoon Seo, Kum-Pyo Yoo, Yu-Heon Yi
  • Publication number: 20220032532
    Abstract: This application relates to an imprinting apparatus and method. In one aspect, the imprinting apparatus applies pressure between a master substrate and a polymer film to transfer a pattern formed on the master substrate to the polymer film. The imprinting apparatus includes a plurality of coils and the surface of the master substrate is heated by an electromagnetic field induced by the plurality of coils. Through holes are defined in each of the plurality of coils, and support bars are inserted into the through holes. The positions of the plurality of coils are changed corresponding to the master substrate.
    Type: Application
    Filed: September 10, 2019
    Publication date: February 3, 2022
    Inventors: Jee-Hoon SEO, Kum-Pyo YOO, Yu-Heon YI
  • Patent number: 9673796
    Abstract: A signal processing apparatus includes: a clock generator configured to generate a clock signal having a phase based on a phase of an input signal; a phase modulator configured to shift the phase of the clock signal to generate a phase-shifted clock signal; and a signal synthesizer configured to synthesize the phase-shifted clock signal and the input signal to generate a synthesized signal, wherein the phase modulator is configured to determine a value by which to shift the phase of the clock signal based on an amplitude of the input signal and an amplitude of noise included in the input signal.
    Type: Grant
    Filed: March 15, 2016
    Date of Patent: June 6, 2017
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Jae Hyoung Gil, Jun Lim, Yu Heon Yi
  • Publication number: 20160277011
    Abstract: A signal processing apparatus includes: a clock generator configured to generate a clock signal having a phase based on a phase of an input signal; a phase modulator configured to shift the phase of the clock signal to generate a phase-shifted clock signal; and a signal synthesizer configured to synthesize the phase-shifted clock signal and the input signal to generate a synthesized signal, wherein the phase modulator is configured to determine a value by which to shift the phase of the clock signal based on an amplitude of the input signal and an amplitude of noise included in the input signal.
    Type: Application
    Filed: March 15, 2016
    Publication date: September 22, 2016
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Jae Hyoung GIL, Jun LIM, Yu Heon YI
  • Publication number: 20160076890
    Abstract: A vibration unit includes: a first vibration member configured to be extended from a body member and vibrated on a first plane based on a first driving signal; and a second vibration member configured to be extended from the body member, disposed to be non-parallel with respect to the first vibration member, and vibrated on the first plane based on a second driving signal.
    Type: Application
    Filed: March 16, 2015
    Publication date: March 17, 2016
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventor: Yu Heon YI
  • Patent number: 9157926
    Abstract: Disclosed herein is an angular velocity sensor including: first and second mass bodies; a first frame provided at an outer side of the first and second mass bodies; a first flexible part respectively connecting the first and second mass bodies to the first frame; a second flexible part respectively connecting the first and second mass bodies to the first frame; a second frame provided at an outer side of the first frame; a third flexible part connecting the first and second frames to each other; and a fourth flexible part connecting the first and second frames to each other.
    Type: Grant
    Filed: September 10, 2013
    Date of Patent: October 13, 2015
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Jong Woon Kim, Yu Heon Yi, Jae Sang Lee, Won Kyu Jeung
  • Publication number: 20150260755
    Abstract: Disclosed herein is a gyro sensor driving apparatus including a driving displacement signal processing unit processing a driving displacement signal input from a gym sensor and a driving signal formed by using the driving displacement signal to the gym sensor, a sensing signal processing unit converting a sensing signal input from the gyro sensor into a voltage signal and subsequently detecting a direct current (DC)-type gyro signal value through a demodulation process (mixing) using the driving displacement signal; and a quadrature signal correcting unit detecting a DC-type quadrature signal value and subsequently applying a DC-type correction signal corresponding to an integrated value of the quadrature signal value to the gyro sensor.
    Type: Application
    Filed: February 23, 2015
    Publication date: September 17, 2015
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Chang Hyun KIM, Yu Heon Yi, Sung Tae Kim
  • Patent number: 9035400
    Abstract: Disclosed herein is a micro electro mechanical systems (MEMS) device including: a mass body; a first fixed part provided at an outer side of the mass body; and a first flexible part having one end connected to a distal end of the mass body and the other end connected to the first fixed part, wherein the mass body is rotatably connected to the first flexible part.
    Type: Grant
    Filed: September 18, 2013
    Date of Patent: May 19, 2015
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Jong Woon Kim, Po Chul Kim, Yu Heon Yi, Jun Lim
  • Publication number: 20150052998
    Abstract: Disclosed herein is an angular velocity sensor including: a mass body part including a plurality of mass bodies; an internal frame supporting the mass body part; a flexible part for sensing connecting the mass body part to the internal frame so that the mass body part is rotatable and provided with a sensing unit; an external frame supporting the internal frame; and a flexible part for vibrating connecting the internal frame to the external frame so that the internal frame is rotatable and provided with a driving unit, wherein the flexible part for vibrating provided with the driving unit is disposed at an outer side of the internal frame in a displacement direction of the mass body part depending on rotation of the mass body part.
    Type: Application
    Filed: April 9, 2014
    Publication date: February 26, 2015
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Won HAN, Jong Woon KIM, Yu Heon YI
  • Publication number: 20140084393
    Abstract: Disclosed herein is a micro electro mechanical systems (MEMS) device including: a mass body; a first fixed part provided at an outer side of the mass body; and a first flexible part having one end connected to a distal end of the mass body and the other end connected to the first fixed part, wherein the mass body is rotatably connected to the first flexible part.
    Type: Application
    Filed: September 18, 2013
    Publication date: March 27, 2014
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Jong Woon Kim, Po Chul Kim, Yu Heon Yi, Jun Lim
  • Publication number: 20140069189
    Abstract: Disclosed herein is an angular velocity sensor including: first and second mass bodies; a first frame provided at an outer side of the first and second mass bodies; a first flexible part respectively connecting the first and second mass bodies to the first frame; a second flexible part respectively connecting the first and second mass bodies to the first frame; a second frame provided at an outer side of the first frame; a third flexible part connecting the first and second frames to each other; and a fourth flexible part connecting the first and second frames to each other.
    Type: Application
    Filed: September 10, 2013
    Publication date: March 13, 2014
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Jong Woon Kim, Yu Heon Yi, Jae Sang Lee, Won Kyu Jeung
  • Publication number: 20130255383
    Abstract: Disclosed herein is an inertial sensor. The inertial sensor includes a sensor unit provided with an electrode layer and including piezo-electric elements so as to detect a movement of a driving unit supported to be able to be displaced to detect inertial force; an IC electrically connected to the sensor unit; and a switch connected between the sensor unit and an IC so as to control electrical connection between the sensor unit and the IC.
    Type: Application
    Filed: February 26, 2013
    Publication date: October 3, 2013
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Yu Heon Yi, Jun Lim
  • Publication number: 20130255376
    Abstract: Disclosed herein is an inertial sensor. The inertial sensor according to a preferred embodiment of the present invention includes: a plate-shaped membrane; a mass body provided under the membrane; posts provided under an outside edge of the membrane and surrounding the mass body; a piezoelectric body formed on the membrane; sensing electrodes formed on the piezoelectric body; driving electrodes formed on an outer circumference of the sensing electrodes, wherein tri-axis angular velocity can be measured without time division by a driving control unit continuously applying first driving voltage and second driving voltage that are is AC driving voltage having a phase difference of 90°.
    Type: Application
    Filed: June 25, 2012
    Publication date: October 3, 2013
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Seung Heon Han, Jung Eun Noh, Yu Heon Yi, Jong Woon Kim, Byoung Won Hwang, Kyung Rin Kim, Chang Hyun Kim
  • Publication number: 20120227488
    Abstract: Disclosed herein is an inertial sensor including: a driving body displaceably supported on a flexible substrate part in a floating state; a displacement detection unit having a sensing electrode detecting displacement of the driving body; a vibrating part having a vibrating electrode vibrating the driving body; a differential amplifier connected to the sensing electrode and the vibrating electrode, and a circuit unit connected to the differential amplifier to calculate acceleration and angular velocity, wherein the acceleration is calculated by using the sensing electrode and the vibrating electrode.
    Type: Application
    Filed: December 2, 2011
    Publication date: September 13, 2012
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Jun Lim, Yu Heon Yi