Patents by Inventor Sang-Hyun Chang

Sang-Hyun Chang 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: 11978602
    Abstract: A switch apparatus, includes: a base module including a base case, and a moving magnet movably mounted in the base case; and a manipulation module including a manipulation case, and a first magnet fixedly mounted in the manipulation case, wherein the moving magnet moves between a hold position and a releasable position, the hold position refers to a position in which the manipulation module is held onto the base module as an attractive force acts between the moving magnet and the first magnet, and the releasable position refers to a position in which the manipulation module is releasable from the base module as a repulsive force acts between the moving magnet and the first magnet.
    Type: Grant
    Filed: June 21, 2022
    Date of Patent: May 7, 2024
    Assignees: Hyundai Motor Company, Kia Corporation, NOVATECH CO., LTD, ALPS ELECTRIC KOREA CO., LTD.
    Inventors: Sang Hoon Shin, Hoo Sang Lee, Jong Hyun Choi, Dae Woo Park, Youn Tak Kim, Nam I Jo, Choon Teak Oh, Hong Jun Choi, Kon Hee Chang, Woo Joo Ahn
  • Publication number: 20240025771
    Abstract: In one aspect, a sterilization apparatus is provided to include a flow channel body comprising an inflow unit configured to provide an inflow channel through which water flows in one direction, a discharge unit configured to provide a discharge channel through which water is discharged, and a bypass channel unit configured to provide a bypass channel through which water bypasses in a different direction from the direction of the water flowing in the inflow unit; a mounting unit formed on the flow channel body and configured to provide an installation space connected to the bypass channel, a UV light emitting unit disposed in the installation space and configured to emit UV light towards the bypass channel; and a holder coupled to the mounting unit and securing the UV light emitting unit inside the mounting unit.
    Type: Application
    Filed: October 2, 2023
    Publication date: January 25, 2024
    Inventors: Woong Ki JUNG, Sang Hyun CHANG
  • Patent number: 11864547
    Abstract: An adhesive-type insect trap includes a body having a hole for insertion of an adhesive sheet; a light source mounting unit disposed on the body; and a cover which is detachably mounted on the body and has a through-hole in at least a part thereof, and an adhesive sheet including a sticky substance and a sheet. The body includes a guide unit by which the adhesive sheet is guided, and the cover comprises a light refraction unit therein or on a surface thereof.
    Type: Grant
    Filed: January 8, 2018
    Date of Patent: January 9, 2024
    Assignee: SEOUL VIOSYS CO., LTD.
    Inventors: Sang Hyun Chang, Hoon Sik Eom, Si Ho Yu, Gwang Ryong Lee, Chung Hoon Lee, Sung Il Park
  • Patent number: 11787707
    Abstract: In one aspect, a sterilization apparatus is provided to include a flow channel body comprising an inflow unit configured to provide an inflow channel through which water flows in one direction, a discharge unit configured to provide a discharge channel through which water is discharged, and a bypass channel unit configured to provide a bypass channel through which water bypasses in a different direction from the direction of the water flowing in the inflow unit; a mounting unit formed on the flow channel body and configured to provide an installation space connected to the bypass channel, a UV light emitting unit disposed in the installation space and configured to emit UV light towards the bypass channel; and a holder coupled to the mounting unit and securing the UV light emitting unit inside the mounting unit.
    Type: Grant
    Filed: January 13, 2022
    Date of Patent: October 17, 2023
    Assignee: SEOUL VIOSYS CO., LTD.
    Inventors: Woong Ki Jung, Sang Hyun Chang
  • Patent number: 11751554
    Abstract: An adhesive-type insect trap includes a main body having an adhesive sheet insertion hole; a light source mounting unit disposed on the main body; a cover which is detachably mounted on the main body and has a through-hole in at least a part thereof; an adhesive sheet including a sticky substance and a sheet. The main body includes a guide unit by which the adhesive sheet is guided, and an adhesive sheet support unit for supporting the adhesive sheet.
    Type: Grant
    Filed: January 5, 2018
    Date of Patent: September 12, 2023
    Assignee: SEOUL VIOSYS CO., LTD.
    Inventors: Sang Hyun Chang, Hoon Sik Eom, Si Ho Yu, Gwang Ryong Lee, Chung Hoon Lee, Sung Il Park
  • Patent number: 11406095
    Abstract: An adhesive-type insect trap includes a body having a hole for insertion of an adhesive sheet; a light source mounting unit disposed on the body; and a cover which is detachably mounted on the body and has a through-hole in at least a part thereof. The body further includes a light source seating unit provided so as to correspond to the light source mounting unit, and a light source may have one side thereof mounted on the light source mounting unit and the other side thereof seated on the light source seating unit.
    Type: Grant
    Filed: January 8, 2018
    Date of Patent: August 9, 2022
    Assignee: SEOUL VIOSYS CO., LTD.
    Inventors: Sang Hyun Chang, Hoon Sik Eom, Si Ho Yu, Gwang Ryong Lee, Sung II Park
  • Publication number: 20220233877
    Abstract: Disclosed is a body-wearable apparatus for treating pain by a principle of complex photo-biochemical actions.
    Type: Application
    Filed: January 27, 2021
    Publication date: July 28, 2022
    Inventors: Sang-Hyun Chang, Sung-Won Lee
  • Publication number: 20220135441
    Abstract: In one aspect, a sterilization apparatus is provided to include a flow channel body comprising an inflow unit configured to provide an inflow channel through which water flows in one direction, a discharge unit configured to provide a discharge channel through which water is discharged, and a bypass channel unit configured to provide a bypass channel through which water bypasses in a different direction from the direction of the water flowing in the inflow unit; a mounting unit formed on the flow channel body and configured to provide an installation space connected to the bypass channel, a UV light emitting unit disposed in the installation space and configured to emit UV light towards the bypass channel; and a holder coupled to the mounting unit and securing the UV light emitting unit inside the mounting unit.
    Type: Application
    Filed: January 13, 2022
    Publication date: May 5, 2022
    Inventors: Woong Ki JUNG, Sang Hyun CHANG
  • Patent number: 11264714
    Abstract: A method and apparatus for beamforming in a wireless communication system are provided. The method of supporting beamforming in a wireless communication device includes detecting a direction change of the wireless communication device while communicating with a peer device. The method of supporting beamforming in a wireless communication device also includes adjusting a beam direction for communication with the peer device based on information indicating a direction change of the wireless communication device.
    Type: Grant
    Filed: August 31, 2018
    Date of Patent: March 1, 2022
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ohyun Jo, Jae-Hwa Kim, Sang-Hyun Chang, Chang-Yeul Kwon, Dong-Hwi Roh, Ji-Sung Oh
  • Patent number: 11225419
    Abstract: In one aspect, a sterilization apparatus is provided to include a flow channel body comprising an inflow unit configured to provide an inflow channel through which water flows in one direction, a discharge unit configured to provide a discharge channel through which water is discharged, and a bypass channel unit configured to provide a bypass channel through which water bypasses in a different direction from the direction of the water flowing in the inflow unit; a mounting unit formed on the flow channel body and configured to provide an installation space connected to the bypass channel, a UV light emitting unit disposed in the installation space and configured to emit UV light towards the bypass channel; and a holder coupled to the mounting unit and securing the UV light emitting unit inside the mounting unit.
    Type: Grant
    Filed: February 3, 2020
    Date of Patent: January 18, 2022
    Assignee: SEOUL VIOSYS CO., LTD.
    Inventors: Woong Ki Jung, Sang Hyun Chang
  • Patent number: 11102971
    Abstract: The present invention relates to an insect trap for attracting insects using a UV LED and sucking and capturing the attracted insects with a fan. The insect trap of the present invention comprises: a body; a suction part provided on one side of the body; a fan installed behind the suction part; at least one UV LED, provided on the body at least around the fan, for irradiating ultraviolet rays forward; a discharge part for discharging air sucked in by the suction part in a direction different from the air suction direction of the suction part; a duct which is an air passage from the suction part to the discharge part; a first streamlined inner surface, provided on an inner wall side opposite to a direction in which the duct extends on the basis of the suction part, for guiding air sucked into the suction part toward the duct; and an insect net, installed in the discharge part, for passing the air therethrough and capturing insects being sucked in together with the air.
    Type: Grant
    Filed: August 10, 2018
    Date of Patent: August 31, 2021
    Assignee: SEOUL VIOSYS CO., LTD.
    Inventors: Mi So Ko, Chung Hoon Lee, Hoon Sik Eom, Sang Hyun Chang
  • Patent number: 10827738
    Abstract: The present invention relates to an insect trap and, more specifically, to an insect trap which uses UV LEDs as light sources for luring insects and is capable of efficiently radiating luring light. The insect trap according to the present invention comprises a UV LED installation part having a plurality of UV LED light sources installed at intervals on the edge of the outer side surface thereof, and a trap part disposed adjacent to the UV LED installation part. The center lines of the ultraviolet light radiation areas of the UV LED light sources installed on the UV LED installation part are arranged substantially radially, extending outward from the center of the insect trap.
    Type: Grant
    Filed: January 2, 2018
    Date of Patent: November 10, 2020
    Assignee: SEOUL VIOSYS CO., LTD.
    Inventors: Jong Rack Kim, Chung Hoon Lee, Kyu Won Han, Sang Hyun Chang
  • Patent number: 10732275
    Abstract: The present disclosure relates to a sensor network, Machine Type Communication (MTC), Machine-to-Machine (M2M) communication, and technology for Internet of Things (IoT). The present disclosure may be applied to intelligent services based on the above technologies, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. A device for measuring a distance, according to one embodiment of the present invention, includes a transceiver configured to transmit, to another device, a signal and receive, from the another device, another signal according to the signal, and a controller configured to determine a first interval based on the signal and the another signal and determine a distance between the device and the another device based on the first interval, a second interval regarding the another device, and a delay regarding an internal circuit of the device.
    Type: Grant
    Filed: February 16, 2015
    Date of Patent: August 4, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jong-Ho Oh, Jae-Hwa Kim, Jung-Min Yoon, Sung-Rok Yoon, Sang-Hyun Chang, Kil-Sik Ha
  • Patent number: 10720989
    Abstract: The present disclosure relates to a 5th-Generation (5G) or pre-5G communication system to be provided to support a higher data rate than a 4th-Generation (4G) communication system like Long Term Evolution (LTE). A method for transmitting a signal in a communication system according to an embodiment of the present disclosure includes generating a Golay sequence for a weight value in which a correlation peak value is less than a preset threshold value, configuring a Short Training Field (STF) including the generated Golay sequence, and transmitting a signal for a Physical layer convergence procedure Protocol Data Unit (PPDU) including the STF.
    Type: Grant
    Filed: August 15, 2016
    Date of Patent: July 21, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jong-Ho Oh, Jung-Min Yoon, Hyun-Kyu Yu, Sang-Hyun Chang, Kil-Sik Ha
  • Patent number: 10698102
    Abstract: A code reading method and a radar system using a short-range millimeter wave (mmWave) radar are provided. The method includes transmitting a mmWave radar signal to a target object from a radar system and receiving a reflection wave signal reflected on the target object, extracting reflection signal strengths for a plurality of line codes constituting the target object from the reflection wave signal, compensating for the reflection signal strengths considering a difference in antenna gain between the plurality of line codes as per an antenna radiation pattern of the radar system, forming a radar image using the compensated reflection signal strengths, and reading a binary code from the radar image.
    Type: Grant
    Filed: March 11, 2019
    Date of Patent: June 30, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Joo-Sung Park, Ki-Taek Bae, Dae-Hyun Kim, Seung-Ku Han, Tae-Sik Yang, Sang-Hyun Chang
  • Publication number: 20200172413
    Abstract: In one aspect, a sterilization apparatus is provided to include a flow channel body comprising an inflow unit configured to provide an inflow channel through which water flows in one direction, a discharge unit configured to provide a discharge channel through which water is discharged, and a bypass channel unit configured to provide a bypass channel through which water bypasses in a different direction from the direction of the water flowing in the inflow unit; a mounting unit formed on the flow channel body and configured to provide an installation space connected to the bypass channel, a UV light emitting unit disposed in the installation space and configured to emit UV light towards the bypass channel; and a holder coupled to the mounting unit and securing the UV light emitting unit inside the mounting unit.
    Type: Application
    Filed: February 3, 2020
    Publication date: June 4, 2020
    Inventors: Woong Ki JUNG, Sang Hyun CHANG
  • Publication number: 20200146273
    Abstract: An adhesive-type insect trap includes a body having a hole for insertion of an adhesive sheet; a light source mounting unit disposed on the body; and a cover which is detachably mounted on the body and has a through-hole in at least a part thereof, and an adhesive sheet including a sticky substance and a sheet. The body includes a guide unit by which the adhesive sheet is guided, and the cover comprises a light refraction unit therein or on a surface thereof.
    Type: Application
    Filed: January 8, 2018
    Publication date: May 14, 2020
    Applicant: SEOUL VIOSYS CO., LTD.
    Inventors: Sang Hyun CHANG, Hoon Sik EOM, Si Ho YU, Gwang Ryong LEE, Chung Hoon LEE, Sung Il PARK
  • Patent number: 10602544
    Abstract: A 5th generation (5G) or a pre-5G communication system to support a higher data transmission rate than a system after a 4th generation (4G) communication system such as long-term evolution (LTE) is provided. A method of determining a carrier sense threshold by one source terminal in a wireless communication system is provided. The method includes identifying whether one or more interferer terminals and one or more destination terminals exist for one source terminal, and if the terminals exist, determining a carrier sense threshold of each of the one or more interferer terminals and the one or more destination terminals based on an interference intensity received from the one or more destination terminals and a feedback link margin.
    Type: Grant
    Filed: July 27, 2016
    Date of Patent: March 24, 2020
    Assignees: Samsung Electronics Co., Ltd., Seoul National University R&DB Foundation
    Inventors: Sang-Hyun Chang, Byoung-Hoon Jung, Seongwon Kim, Youngwook Son, Seungmin Yoo, Jaehong Yi, Sunghyun Choi, Soo-Young Jang
  • Patent number: 10550011
    Abstract: In one aspect, a sterilization apparatus is provided to include a flow channel body comprising an inflow unit configured to provide an inflow channel through which water flows in one direction, a discharge unit configured to provide a discharge channel through which water is discharged, and a bypass channel unit configured to provide a bypass channel through which water bypasses in a different direction from the direction of the water flowing in the inflow unit; a mounting unit formed on the flow channel body and configured to provide an installation space connected to the bypass channel, a UV light emitting unit disposed in the installation space and configured to emit UV light towards the bypass channel; and a holder coupled to the mounting unit and securing the UV light emitting unit inside the mounting unit.
    Type: Grant
    Filed: March 26, 2018
    Date of Patent: February 4, 2020
    Assignee: SEOUL VIOSYS CO., LTD.
    Inventors: Woong Ki Jung, Sang Hyun Chang
  • Publication number: 20190357516
    Abstract: An adhesive-type insect trap includes a main body having an adhesive sheet insertion hole; a light source mounting unit disposed on the main body; a cover which is detachably mounted on the main body and has a through-hole in at least a part thereof; an adhesive sheet including a sticky substance and a sheet. The main body includes a guide unit by which the adhesive sheet is guided, and an adhesive sheet support unit for supporting the adhesive sheet.
    Type: Application
    Filed: January 5, 2018
    Publication date: November 28, 2019
    Applicant: SEOUL VIOSYS CO., LTD.
    Inventors: Sang Hyun CHANG, Hoon Sik EOM, Si Ho YU, Gwang Ryong LEE, Chung Hoon LEE, Sung Il PARK