Patents by Inventor Chul-Hyun Park

Chul-Hyun Park 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: 9924357
    Abstract: A method for providing mobile communication provider information and a device for performing the same are disclosed. A terminal having an eUICC receives data, in which mobile communication provider information is capsulized and included, and stores the received data in the eUICC. Therefore, the mobile communication provider information can be transferred by applying the highest security scheme, and duplication of the eUICC due to the exposure of an authentication key by external hacking attacks can be prevented.
    Type: Grant
    Filed: May 23, 2013
    Date of Patent: March 20, 2018
    Assignee: KT Corporation
    Inventors: Hyung Jin Lee, Kwan Lae Kim, Joo Young Kim, Chul Hyun Park, Jin Hyoung Lee, Youn Pil Jeung
  • Publication number: 20180014190
    Abstract: A method for providing mobile communication provider information and a device for performing the same are disclosed. A terminal having an eUICC receives data, in which mobile communication provider information is capsulized and included, and stores the received data in the eUICC. Therefore, the mobile communication provider information can be transferred by applying the highest security scheme, and duplication of the eUICC due to the exposure of an authentication key by external hacking attacks can be prevented.
    Type: Application
    Filed: September 6, 2017
    Publication date: January 11, 2018
    Applicant: KT Corporation
    Inventors: Hyung Jin LEE, Kwan Lae KIM, Joo Young KIM, Chul Hyun PARK, Jin Hyoung LEE, Youn Pil JEUNG
  • Publication number: 20180013759
    Abstract: A method of managing a file of a subscriber authenticating module embedded in a terminal device and a module for authenticating a subscriber by using the method. The method of managing the file includes configuring a file structure for one or more profiles and managing one or more files included in the file structure in response to a request. Thus, the method is efficient for a multiple-profile environment.
    Type: Application
    Filed: September 6, 2017
    Publication date: January 11, 2018
    Applicant: KT Corporation
    Inventors: Myoung Hee SEO, Jin Hyoung LEE, Kwan Lae KIM, Chul Hyun PARK, Hyung Jin LEE
  • Publication number: 20170366972
    Abstract: A terminal device having a subscriber identity device and a method for selecting a profile thereof, are disclosed. A mobile communication terminal device comprises: a subscriber identity module including a profile, a network authenticator which performs an authentication procedure for a communication network on the basis of a provisioning profile among profiles, and which receives authentication completion information from an operator server of the communication network; and a network access unit which accesses the communication network on the basis of the authentication completion information, and which receives a service from the operator server on the basis of an operational profile corresponding to an operator of the communication network among the profiles.
    Type: Application
    Filed: August 30, 2017
    Publication date: December 21, 2017
    Applicant: KT Corporation
    Inventors: Hyung Jin LEE, Kwan Lae KIM, Chul Hyun PARK, Myoung Hee SEO, Jin Hyoung LEE, Youn Pil JEUNG
  • Publication number: 20170318465
    Abstract: A method for configuring a profile of a subscriber authenticating module embedded and installed in a terminal device, and an apparatus using same, are disclosed. The subscriber authenticating module embedded and installed in the terminal device according to an exemplary embodiment includes one or more network access application related data sets and one or more profiles having unique identifiers. The present invention enables an eco-system provider such as a network service provider, a eUICC manufacturer, or a terminal manufacturer to develop an efficient and rapid eUICC and provide a eUICC service.
    Type: Application
    Filed: July 10, 2017
    Publication date: November 2, 2017
    Applicant: KT Corporation
    Inventors: Myoung Hee SEO, Kwan Lae KIM, Chul Hyun PARK, Jin Hyoung LEE, Hyung Jin LEE, Youn Pil JEUNG
  • Patent number: 9733588
    Abstract: An exposure device capable of precisely focusing light on a scanned surface to accomplish a good image quality is provided. The exposure device includes a substrate on which a plurality of light sources are arranged along a main-scanning direction, a lens array including a plurality of lenses configured to focus light emitted by the plurality of light sources on a scanned surface, and a housing configured to support the substrate and the lens array such that a certain spacing is maintained between the plurality of light sources and the plurality of lenses. At least a portion of the substrate is spaced apart from the housing along a sub-scanning direction.
    Type: Grant
    Filed: May 16, 2016
    Date of Patent: August 15, 2017
    Assignee: S-PRINTING SOLUTION CO., LTD.
    Inventors: In-sung Lee, Chul-hyun Park
  • Patent number: 9730060
    Abstract: A system for transferring a profile that is stored at an authentication module includes: a first terminal that includes a first authentication module and that operates based on a user profile that is stored at the first authentication module; a second terminal that includes a second authentication module and that requests the user profile by transmitting a first message including user identification information; and a management server that receives the first terminal and that acquires a profile that is stored at the first terminal based on user identification information and that transmits the acquired profile to the second terminal, wherein the first terminal exports the stored profile, and the second terminal installs a profile, having received from the management server at the second authentication module.
    Type: Grant
    Filed: June 14, 2013
    Date of Patent: August 8, 2017
    Assignee: KT Corporation
    Inventors: Kwanlae Kim, Chul-Hyun Park, Jin-Hyoung Lee, Hyung-Jin Lee
  • Publication number: 20170208452
    Abstract: A method and apparatus for backing up a profile of in a repository are disclosed. The method of backing up a profile is a method of backing up a profile in a subscriber management server, and includes receiving a backup request for a profile stored in an authentication module from the authentication module, providing information for at least one repository to the authentication module, the information being generated by confirming a state of the at least one repository to back up the profile according to the backup request, and storing the profile in a repository selected by the authentication module based on the information for at least one repository. Therefore, the user can directly select a reliable repository and back up the profile of the authentication module.
    Type: Application
    Filed: March 30, 2017
    Publication date: July 20, 2017
    Applicant: KT Corporation
    Inventors: Kwan Lae KIM, Chul Hyun PARK, Jin Hyoung LEE, Hyung Jin LEE
  • Patent number: 9706407
    Abstract: A method for configuring a profile of a subscriber authenticating module embedded and installed in a terminal device, and an apparatus using same, are disclosed. The subscriber authenticating module embedded and installed in the terminal device according to an exemplary embodiment includes one or more network access application related data sets and one or more profiles having unique identifiers. The present invention enables an eco-system provider such as a network service provider, a eUICC manufacturer, or a terminal manufacturer to develop an efficient and rapid eUICC and provide a eUICC service.
    Type: Grant
    Filed: November 6, 2013
    Date of Patent: July 11, 2017
    Assignee: KT Corporation
    Inventors: Myoung Hee Seo, Kwan Lae Kim, Chul Hyun Park, Jin Hyoung Lee, Hyung Jin Lee, Youn Pil Jeung
  • Patent number: 9678994
    Abstract: A method and apparatus for backing up a profile of in a repository are disclosed. The method of backing up a profile is a method of backing up a profile in a subscriber management server, and includes receiving a backup request for a profile stored in an authentication module from the authentication module, providing information for at least one repository to the authentication module, the information being generated by confirming a state of the at least one repository to back up the profile according to the backup request, and storing the profile in a repository selected by the authentication module based on the information for at least one repository. Therefore, the user can directly select a reliable repository and back up the profile of the authentication module.
    Type: Grant
    Filed: June 14, 2013
    Date of Patent: June 13, 2017
    Assignee: KT Corporation
    Inventors: Kwan Lae Kim, Chul Hyun Park, Jin Hyoung Lee, Hyung Jin Lee
  • Patent number: 9674181
    Abstract: The disclosure is related to a surveillance camera renting service. A service server may provide the surveillance camera renting service through receiving an image having an authentication pattern, captured by and transmitted from a surveillance camera and transmitting a video stream, produced by and transmitted from the surveillance camera, to user equipment authenticated based on the authentication pattern included in the received image.
    Type: Grant
    Filed: August 7, 2014
    Date of Patent: June 6, 2017
    Assignee: KT CORPORATION
    Inventor: Chul-Hyun Park
  • Publication number: 20170135812
    Abstract: Disclosed is an artificial valved conduit that is a composite valved graft comprising double sewing cuffs, which can be easily used in aortic root replacement. The composite valved graft comprises a valve and a conduit part connected to the valve. The conduit part comprises a sewing cuff positioned on the outer circumference thereof. The sewing cuff comprises a first sewing cuff and a second sewing cuff positioned below the first sewing cuff. Accordingly, a double suture is easily performed, so that it is possible to prevent the loss of blood after a surgery and to reduce surgical time at the same time.
    Type: Application
    Filed: October 10, 2014
    Publication date: May 18, 2017
    Inventor: Chul Hyun Park
  • Patent number: 9599922
    Abstract: Provided are a light scanning apparatus and an image forming apparatus including the same. The light scanning apparatus includes a housing, which includes a space therein; a light source module, which is installed at the housing and emits a light beam; a light deflector, which is installed on the bottom surface of the housing and deflects the light beam emitted by the light source module; an image forming optical system, which is installed in the space inside the housing and forms an image of the light beam deflected by the light deflector on a surface to be scanned; a flow restricting unit, which is arranged in the space inside the housing and restricts air flows formed as the light deflector is driven; and a cover, which covers the housing.
    Type: Grant
    Filed: September 4, 2015
    Date of Patent: March 21, 2017
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Chul-hyun Park, In-sung Lee
  • Patent number: 9585000
    Abstract: There is provided a method of providing a subscriber profile of an embedded universal circuit card (eUICC) that is performed in a terminal equipped with the eUICC. The method includes determining whether the terminal having a first subscriber profile stored therein has left a first mobile network operator (MNO) area corresponding the first subscriber profile, and when it is determined that the terminal has left the first mobile network operator area and moved into a second mobile network operator area, receiving a second subscriber profile corresponding to a second mobile network operator from a predetermined subscriber management server. In this way, it is possible to support mobile communication service by changing the mobile network operator even in the eUICC environment.
    Type: Grant
    Filed: May 24, 2013
    Date of Patent: February 28, 2017
    Assignee: KT Corporation
    Inventors: Chul Hyun Park, Kwan Lae Kim, Joo Young Kim, Jin Hyoung Lee, Hyung Jin Lee
  • Publication number: 20160363885
    Abstract: An exposure device capable of precisely focusing light on a scanned surface to accomplish a good image quality is provided. The exposure device includes a substrate on which a plurality of light sources are arranged along a main-scanning direction, a lens array including a plurality of lenses configured to focus light emitted by the plurality of light sources on a scanned surface, and a housing configured to support the substrate and the lens array such that a certain spacing is maintained between the plurality of light sources and the plurality of lenses. At least a portion of the substrate is spaced apart from the housing along a sub-scanning direction.
    Type: Application
    Filed: May 16, 2016
    Publication date: December 15, 2016
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: In-sung LEE, Chul-hyun Park
  • Patent number: 9467187
    Abstract: Disclosed are a method for selecting a specific provisioning profile from among a plurality of provisioning profiles and an apparatus using same. In a terminal to which an embedded UICC (eUICC) is mounted, the eUICC includes at least one provisioning profile wherein each of the one or more provisioning profile enables a user terminal to communicate with a subscriber management entity supporting at least one network provider. Accordingly, a specific provisioning profile can be selected from among the one or more provisioning profiles, and a network can be connected with a specific mobile communication provider using the selected provisioning profile.
    Type: Grant
    Filed: December 5, 2013
    Date of Patent: October 11, 2016
    Assignee: KT Corporation
    Inventors: Hyung Jin Lee, Kwan Lae Kim, Chul Hyun Park, Myoung Hee Seo, Jin Hyoung Lee, Youn Pil Jeung
  • Patent number: 9465314
    Abstract: A light scanning unit includes a light source unit emitting a light beam according to an image signal, a light deflector scanning the light beam that is deflectively emitted by the light source unit, a housing having a side portion where the light source unit is provided and a base surface on which the light deflector is provided, and a deformation prevention member connecting opposite sides of the housing across an upper side of the base surface. The light scanning unit is employed by an image forming apparatus.
    Type: Grant
    Filed: February 17, 2016
    Date of Patent: October 11, 2016
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Chul-hyun Park, Han-sung Lee
  • Publication number: 20160161882
    Abstract: A light scanning unit includes a light source unit emitting a light beam according to an image signal, a light deflector scanning the light beam that is deflectively emitted by the light source unit, a housing having a side portion where the light source unit is provided and a base surface on which the light deflector is provided, and a deformation prevention member connecting opposite sides of the housing across an upper side of the base surface. The light scanning unit is employed by an image forming apparatus.
    Type: Application
    Filed: February 17, 2016
    Publication date: June 9, 2016
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Chul-hyun PARK, Han-sung Lee
  • Patent number: 9306914
    Abstract: A system for backing up a profile includes: a management server that stores and manages received information and a terminal that generates a plurality of division profiles by dividing a profile that is stored at an embedded authentication module and that transmits backup request information including the plurality of division profiles to the management server, wherein the management server stores the plurality of division profiles based on the backup request information.
    Type: Grant
    Filed: June 14, 2013
    Date of Patent: April 5, 2016
    Assignee: KT Corporation
    Inventors: Kwanlae Kim, Chul-Hyun Park, Jin-Hyoung Lee, Hyung-Jin Lee
  • Patent number: 9296221
    Abstract: A light scanning unit includes a light source unit emitting a light beam according to an image signal, a light deflector scanning the light beam that is deflectively emitted by the light source unit, a housing having a side portion where the light source unit is provided and a base surface on which the light deflector is provided, and a deformation prevention member connecting opposite sides of the housing across an upper side of the base surface. The light scanning unit is employed by an image forming apparatus.
    Type: Grant
    Filed: June 18, 2014
    Date of Patent: March 29, 2016
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Chul-hyun Park, Han-sung Lee