Patents by Inventor Chang-hwan Hwang
Chang-hwan Hwang 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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Publication number: 20240134185Abstract: Provided is a laser scanner. The laser scanner includes a laser transmitter configured to output a laser radiated towards an object, a laser receiver configured to receive a laser reflected from the object, and an oscillating mirror of which a mirror surface is coated with a thin metal film to reflect the received laser reflected from the object and be penetrated by an electromagnetic wave incident from an outside the laser scanner. The received laser reflected from the object is reflected by the mirror surface of the oscillating mirror coated with the thin metal film and received by a laser receiver, and the electromagnetic wave incident from the outside the laser scanner penetrates the mirror surface of the oscillating mirror and then dissipates.Type: ApplicationFiled: January 6, 2023Publication date: April 25, 2024Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Jung Hwan HWANG, Jong Hwa KWON, Chang Hee HYOUNG
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Patent number: 11546389Abstract: An electronic device and method are provided for registering a device in a server through an application installed in an external device different from the device. The method includes providing a first user interface for inputting a user ID; causing, through the application, the external device to connect to the server using the user ID; providing a second user interface for receiving a user input to select a function to identify the device; causing the external device to connect to the device, in response to a message received from the device; obtaining, from the device, identification information of the device; controlling to transmit a registration request message, to the server, for requesting registration of the device in the server, the registration request message including the identification information of the device; and in response to registration of the device in the server, providing a third user interface including a visual indication of the device being registered in the server.Type: GrantFiled: September 29, 2021Date of Patent: January 3, 2023Inventors: Chang Hwan Hwang, Sahng Hee Bahn, Sung Soo Hong
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Publication number: 20220021714Abstract: An electronic device and method are provided for registering a device in a server through an application installed in an external device different from the device. The method includes providing a first user interface for inputting a user ID; causing, through the application, the external device to connect to the server using the user ID; providing a second user interface for receiving a user input to select a function to identify the device; causing the external device to connect to the device, in response to a message received from the device; obtaining, from the device, identification information of the device; controlling to transmit a registration request message, to the server, for requesting registration of the device in the server, the registration request message including the identification information of the device; and in response to registration of the device in the server, providing a third user interface including a visual indication of the device being registered in the server.Type: ApplicationFiled: September 29, 2021Publication date: January 20, 2022Inventors: Chang Hwan HWANG, Sahng Hee BAHN, Sung Soo HONG
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Patent number: 11190555Abstract: An electronic device and method are provided for registering a device in a server. The method includes establishing a connection between a first device and the server; searching for a second device disposed in a home network in which the first device is disposed; establishing a connection between the first device and the second device, in response to a message transmitted by the second device; receiving identification information of the second device from the second device; and requesting registration of the second device with the server by transmitting the identification information of the second device to the server.Type: GrantFiled: September 20, 2018Date of Patent: November 30, 2021Inventors: Chang Hwan Hwang, Sahng Hee Bahn, Sung Soo Hong
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Patent number: 10845986Abstract: Provided is a method of controlling an electronic device by using a remote control device comprising a touch screen, the method including selecting one of a plurality of functions supported by the electronic device via the touch screen, sequentially displaying a plurality of user interfaces, usable for controlling the function selected with an input detected by the touch screen, one-by-one, and controlling the electronic device by using one of the plurality of user interfaces that are sequentially displayed.Type: GrantFiled: September 6, 2019Date of Patent: November 24, 2020Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Dae-Hyun Kim, Seung-dong Yu, Woo-yong Chang, Eun-hee Park, Chang-hwan Hwang
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Patent number: 10797903Abstract: A control device which controls the power of a plurality of apparatuses in a home network, and a method thereof are provided. The control device includes an input unit which receives a power off command, and a control unit which concurrently turns off apparatuses which are currently turned on among the plurality of apparatuses in response to the power off command received by the input unit. Therefore, it is possible for a user to concurrently turn off currently running apparatuses so user convenience can increase.Type: GrantFiled: August 28, 2015Date of Patent: October 6, 2020Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Eun-hee Park, Seung-dong Yu, Woo-yong Chang, Ju-il Eom, Chang-hwan Hwang
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Patent number: 10750234Abstract: A display device and a method are provided. The display device includes a network interface connected to a network; an internal storage configured to store at least one content; a display; and a processor configured to control the display to display, in a first area of a user interface (UI) screen, a category list, including a video category and a photo category, to enable selection of one category from the list, and control the display to display, in a second area of the UI screen, at least one thumbnail image corresponding to at least one content stored in at least one external device connected through the network interface and at least one thumbnail image corresponding to the at least one content stored in the internal storage.Type: GrantFiled: June 27, 2016Date of Patent: August 18, 2020Assignee: Samsung Electronics Co., LtdInventors: Ray Hong, Sahng-hee Bahn, Chang-hwan Hwang
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Publication number: 20190391722Abstract: Provided is a method of controlling an electronic device by using a remote control device comprising a touch screen, the method including selecting one of a plurality of functions supported by the electronic device via the touch screen, sequentially displaying a plurality of user interfaces, usable for controlling the function selected with an input detected by the touch screen, one-by-one, and controlling the electronic device by using one of the plurality of user interfaces that are sequentially displayed.Type: ApplicationFiled: September 6, 2019Publication date: December 26, 2019Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Dae-Hyun KIM, Seung-dong Yu, Woo-yong Chang, Eun-hee Park, Chang-hwan Hwang
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Patent number: 10423324Abstract: Provided is a method of controlling an electronic device by using a remote control device comprising a touch screen, the method including selecting one of a plurality of functions supported by the electronic device via the touch screen, sequentially displaying a plurality of user interfaces, usable for controlling the function selected with an input detected by the touch screen, one-by-one, and controlling the electronic device by using one of the plurality of user interfaces that are sequentially displayed.Type: GrantFiled: March 20, 2018Date of Patent: September 24, 2019Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Dae-Hyun Kim, Seung-dong Yu, Woo-yong Chang, Eun-hee Park, Chang-hwan Hwang
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Publication number: 20190028519Abstract: An electronic device and method are provided for registering a device in a server. The method includes establishing a connection between a first device and the server; searching for a second device disposed in a home network in which the first device is disposed; establishing a connection between the first device and the second device, in response to a message transmitted by the second device; receiving identification information of the second device from the second device; and requesting registration of the second device with the server by transmitting the identification information of the second device to the server.Type: ApplicationFiled: September 20, 2018Publication date: January 24, 2019Inventors: Chang Hwan HWANG, Sahng Hee BAHN, Sung Soo HONG
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Publication number: 20180210625Abstract: Provided is a method of controlling an electronic device by using a remote control device comprising a touch screen, the method including selecting one of a plurality of functions supported by the electronic device via the touch screen, sequentially displaying a plurality of user interfaces, usable for controlling the function selected with an input detected by the touch screen, one-by-one, and controlling the electronic device by using one of the plurality of user interfaces that are sequentially displayed.Type: ApplicationFiled: March 20, 2018Publication date: July 26, 2018Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Dae-Hyun KIM, Seung-dong YU, Woo-yong CHANG, Eun-hee PARK, Chang-hwan HWANG
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Patent number: 9940011Abstract: Provided is a method of controlling an electronic device by using a remote control device comprising a touch screen, the method including selecting one of a plurality of functions supported by the electronic device via the touch screen, sequentially displaying a plurality of user interfaces, usable for controlling the function selected with an input detected by the touch screen, one-by-one, and controlling the electronic device by using one of the plurality of user interfaces that are sequentially displayed.Type: GrantFiled: May 21, 2014Date of Patent: April 10, 2018Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Dae-Hyun Kim, Seung-dong Yu, Woo-yong Chang, Eun-hee Park, Chang-hwan Hwang
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Patent number: 9793020Abstract: Disclosed is an automatic welding apparatus for an end plug of a nuclear fuel rod, which is used to perform resistance welding on a cladding tube and the end plug in a welding chamber. The automatic welding apparatus includes a welding chamber configured to perform resistance welding on an end plug and a cladding tube, a cladding tube transfer unit that has a cladding tube clamp fixedly clamping the cladding tube and a first servo motor for driving the cladding tube clamp in a horizontal direction and that horizontally transfers the cladding tube to the welding chamber, end plug welding electrodes gripping the end plug fed from an end plug feeder, an end plug transfer driver for driving the end plug welding electrodes toward the welding chamber in a forward/backward direction, and a position control module for controlling driving of the first servo motor and the end plug transfer driver.Type: GrantFiled: April 17, 2013Date of Patent: October 17, 2017Assignee: KEPCO NUCLEAR FUEL CO., LTD.Inventors: Young Choon Cho, Chang Hwan Hwang, Hung Soon Chang, Sang Pil Kong, Tae Hyung Na, Young Seok Yoon
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Patent number: 9734538Abstract: Provided are a Social Network Service (SNS) function integration operation method and a system supporting the same. The SNS function integration operation system, includes a plurality of SNS servers providing a plurality of SNS information; and a portable terminal for subscribing to the plurality of SNS servers in order to receive the plurality of SNS information and provide a plurality of SNS functions corresponding to the plurality of SNS information, and providing at least one of an SNS integration operation user interface that integrates a list of the plurality of SNS functions and the plurality of SNS information, and for providing an SNS information screen corresponding to a detailed view of SNS information selected from the plurality of SNS information.Type: GrantFiled: August 22, 2012Date of Patent: August 15, 2017Assignee: Samsung Electronics Co., LtdInventors: Sung Soo Hong, Sahng Hee Bahn, Chang Hwan Hwang
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Patent number: 9697918Abstract: A method for loading fuel pellets for manufacturing a nuclear fuel rod is provided. The method includes arranging fuel pellets in a row on a tray, aligning the fuel pellets in the row on the tray such that the fuel pellets are closely in contact with one another, obtaining a total length of the pellets in the row by measuring the fuel pellets in the row on the tray, and comparing the total length with a predetermined length. When the total length is smaller than the predetermined length by a difference greater than an average unit length of the pellet, one or more fuel pellets are added in the row until to increase the total length until the difference becomes smaller than the average unit length of the fuel pellet.Type: GrantFiled: May 4, 2016Date of Patent: July 4, 2017Assignee: KEPCO NUCLEAR FUEL CO., LTD.Inventors: Se Yong Shin, Chang Hwan Hwang, Hung Soon Chang, Tae Hyung Na, Bong Sik Moon, Young Seok Yoon
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Patent number: 9659675Abstract: Disclosed is a fuel rod auto-loading apparatus for a nuclear fuel assembly, which disposes fuel rods in a fuel rod case in a bundle to assemble the fuel rods into the nuclear fuel assembly. The fuel rod auto-loading apparatus includes a fuel rod storage unit having a plurality of stacked racks for fuel rods, a fuel rod loading unit raised/lowered to the racks and transferring the fuel rods, a feeding unit placing the fuel rods in rows and loading the fuel rods into the fuel rod case, a fuel rod unloading unit selectively unloading some of the fuel rods stored in the fuel rod storage unit and transferring the fuel rods to the feeding unit, a fuel rod assembly lifter which is disposed parallel to the feeding unit, and a controller controlling driving of the fuel rod loading unit, the feeding unit, and the fuel rod unloading unit.Type: GrantFiled: January 8, 2014Date of Patent: May 23, 2017Assignee: KEPCO NUCLEAR FUEL CO., LTD.Inventors: Ju Young Lee, Chang Hwan Hwang, Hung Soon Chang, Soon Ki Guk, Yeon Doo Jung, Ui Jea Lee
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Patent number: 9646728Abstract: Disclosed is a plasma welding apparatus for a guide thimble and guide thimble end plug of a nuclear fuel assembly, which includes: a welding chamber (100) includes an end-plug inserting part (110) into which the end plug (10) is inserted, a guide-thimble inserting part (120) which is provided on the same axis as the end-plug inserting part (110) and into which the guide thimble (20) is inserted and fixed, a torch assembling part (130) to which a plasma welding torch (131) is assembled so as to make a right angle with the end-plug inserting part (110) and the guide-thimble inserting part (120), and argon inflow and outflow ports (141, 142) through which argon is supplied or discharged; an end-plug transfer unit (210) supplying the end plug (10) to the end-plug inserting part (110); and an guide-thimble transfer unit (220) transferring the guide thimble (20) to the guide-thimble inserting part (120).Type: GrantFiled: January 7, 2014Date of Patent: May 9, 2017Assignee: KEPCO NUCLEAR FUEL CO., LTD.Inventors: Ju Young Lee, Chang Hwan Hwang, Hung Soon Chang, Soon Ki Guk, Tae Hyung Na, Yeong Seon Oh
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Patent number: 9526124Abstract: Provided are wireless communication method and apparatus. The wireless communication method includes: receiving wireless communication module information of a second terminal from the second terminal through a first communicator of a first terminal; and performing a wireless communication with the second terminal using the wireless communication module information through a second communicator of the first terminal.Type: GrantFiled: December 23, 2009Date of Patent: December 20, 2016Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Sung-soo Hong, Chang-seog Ko, Pil-seung Yang, Chang-hwan Hwang
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Publication number: 20160309220Abstract: A display device and a method are provided. The display device includes a network interface connected to a network; an internal storage configured to store at least one content; a display; and a processor configured to control the display to display, in a first area of a user interface (UI) screen, a category list, including a video category and a photo category, to enable selection of one category from the list, and control the display to display, in a second area of the UI screen, at least one thumbnail image corresponding to at least one content stored in at least one external device connected through the network interface and at least one thumbnail image corresponding to the at least one content stored in the internal storage.Type: ApplicationFiled: June 27, 2016Publication date: October 20, 2016Inventors: RAY HONG, SAHNG-HEE BAHN, CHANG-HWAN HWANG
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Publication number: 20160307654Abstract: A method for loading fuel pellets for manufacturing a nuclear fuel rod comprises arranging fuel pellets in a row on a plurality of trays, measuring a whole length of the fuel pellets in the row on each of the plurality of trays and obtaining a total length of the pellets by accumulating the whole length of the fuel pellets one after another for the plurality of trays, comparing the total length with a predetermined length, and increasing or decreasing one or more fuel pellets in the row of a last tray of the plurality of the trays such that the total length of the pellets is less than the predetermined length and a length difference between the total length of the pellets and the predetermined length is within a length of one fuel pellet.Type: ApplicationFiled: May 4, 2016Publication date: October 20, 2016Applicant: KEPCO NUCLEAR FUEL CO., LTD.Inventors: Se Yong SHIN, Chang Hwan HWANG, Hung Soon CHANG, Tae Hyung NA, Bong Sik MOON, Young Seok YOON