Patents by Inventor Chang Hyeon

Chang Hyeon 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).

  • TERMINAL AND SERVER FOR APPLYING SECURITY POLICY, AND METHOD OF CONTROLLING THE SAME
    Publication number: 20140245397
    Abstract: A method of operating a terminal using Mobile Device Management (MDM) solution includes: installing an application, requesting for registration by a license key received from an Enterprise License Management (ELM) server, receiving a Right Object (R/O) that corresponds to the license key and comprises a permission list, setting at least one permission based on the permission list comprised in the received R/O, and performing the set permission. A terminal using MDM comprises an MDM application configured to control an installed application to acquire a required permission, a ELM agent configured to request for registration by a license key from an ELM server, and receive a R/O that corresponds to the license key and comprises a permission list, and an ELM permission enforcer configured to set at least one permission based on the permission list comprised in the received R/O.
    Type: Application
    Filed: February 24, 2014
    Publication date: August 28, 2014
    Applicant: Samsung Electronics Co., Ltd
    Inventors: Chang-Hyeon Lim, Seok-Man Yoo, Suk-Joon Hwang, Young-Kyoo Kim, Jong-Seung Baek, Dong-Ho Jang
  • Image forming apparatus, universal interface device, and method of using option unit
    Patent number: 8803368
    Abstract: An image forming apparatus includes a control unit to identify a type of an option unit using pre-stored ID information including information regarding a universal interface to which at least one type of option unit can be connected, a power supply unit, and an option unit connected to the universal interface. A plurality of switches is located along a power supply path between the option unit and the power supply unit. The pre-stored ID information includes the type of the option unit and level of power allowed for the type of option unit. The control unit controls on/off states of the plurality of switches so that power corresponding to the identified type of option unit can be supplied to the option unit. Accordingly, possible damage to the image forming apparatus due to inappropriate connection between the option unit and the image forming apparatus is prevented.
    Type: Grant
    Filed: October 28, 2009
    Date of Patent: August 12, 2014
    Assignee: Samsung Electronics Co., Ltd
    Inventor: Chang-hyeon Shim
  • Apparatus and method for managing data in portable terminal
    Patent number: 8738091
    Abstract: A portable terminal is capable of managing data. The portable terminal includes a controller, a display, a memory and a data management unit. The data management unit can sort pre-stored data in the memory as keyword-related data. The data management unit also can sort the pre-stored data depending on frequency of user's use, and outputting, to the display, the sorted data by layer.
    Type: Grant
    Filed: January 11, 2013
    Date of Patent: May 27, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jung-Nyun Kim, Young-Jip Kim, Jin-Woo Jeon, Chang-Hyeon Lim
  • METHOD, APPARATUS, AND SYSTEM TO RECOMMEND MULTIMEDIA CONTENTS USING METADATA
    Publication number: 20140074879
    Abstract: A method, apparatus, and system are configured to recommend content using metadata including an event metadata unit, a searching unit, and a control unit. The event metadata generating unit is configured to generate event metadata regarding content selected by a user. The searching unit which, on the basis of the generated event metadata and social metadata regarding content uploaded to an SNS server associated with the user, is configured to search the content uploaded to the SNS server to recommend content to be provided to the user. The control unit is configured to provide the recommended content to the user using the social metadata regarding the searched recommended content.
    Type: Application
    Filed: November 30, 2012
    Publication date: March 13, 2014
    Inventors: Yong-Moo KWON, Chang Hyeon LEE, Fathoni Arief MUSYAFFA
  • XTAL oscillator
    Publication number: 20140062609
    Abstract: Resistor bias circuitry is included in components of an XTAL oscillator system to reduce 1/f noise. An XTAL oscillator includes a resistor bias circuit attached to the XTAL core. A common mode feedback OP amp connected to the XTAL core also includes a resistor bias circuit. An XTAL oscillator chain includes an XTAL core, common mode feedback OP amp, common mode logic buffer (CML BF), and differential to CMOS converter (D2C) each with resistor bias circuitry.
    Type: Application
    Filed: August 31, 2012
    Publication date: March 6, 2014
    Applicant: BROADCOM CORPORATION
    Inventors: Chang-Hyeon Lee, Lindel Kabalican
  • BATTERY HAVING ELECTRODE STRUCTURE INCLUDING METAL FIBER AND PREPARATION METHOD OF ELECTRODE STRUCTURE
    Publication number: 20140030605
    Abstract: The present invention relates to a battery having an electrode structure using metal fiber and a preparation method of an electrode structure. A preparation method of an electrode structure, according to one embodiment of the present invention, includes a step for providing one or more metal fibers forming a conductive network; a step for providing particle compositions including electrical active materials of a particle shape; a step for mixing the metal fibers and the particle compositions; and a step for compressing the mixed metal fibers and the particle compositions.
    Type: Application
    Filed: April 4, 2012
    Publication date: January 30, 2014
    Applicant: SHINE CO., LTD
    Inventors: Chang Hyeon Kim, Lee Hyun Shin, Chul Hwan Kim
  • Method for removing noise, switching circuit for performing the same and display device having the switching circuit
    Patent number: 8610655
    Abstract: A method for removing noise of a gate signal that is outputted from a gate driving circuit including a plurality of stages, the method includes electrically connecting two terminals of two adjacent stages that have noise components opposite in phase to each other during a first period, and electrically disconnecting the two terminals of the two adjacent stages that have the noise components opposite in phase to each other during a second period.
    Type: Grant
    Filed: March 27, 2008
    Date of Patent: December 17, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Soo-Wan Yoon, Sung-Hoon Yang, Chong-Chul Chai, So-Woon Kim, Chang-Hyeon Shin
  • CACHE SYSTEM AND CACHE SERVICE PROVIDING METHOD USING NETWORK SWITCH
    Publication number: 20130254325
    Abstract: A cache system configured to provide a cache service includes a network switch and a cache device. The network switch is configured to route data associated with a plurality of servers. The cache device is disposed in association with the network switch. The cache device is configured to cache, in at least one memory available to the network switch, data published by the plurality of servers via the network switch. The cache device is also configured to transmit at least some of the cached data in response to a request received from at least one of the plurality of servers. The network switch provides the cache service via the cache device.
    Type: Application
    Filed: March 12, 2013
    Publication date: September 26, 2013
    Applicant: NHN Corporation
    Inventors: Chang-Hyeon Song, Hoonmin Kim
  • Display apparatus including a gate driving part having a transferring stage and an output stage and method for driving the same
    Patent number: 8514163
    Abstract: In a display apparatus and a method for driving the display apparatus, the display apparatus includes a display panel and a gate driving part. The display panel has a gate line, and a gate driving part has a plurality of stages and a plurality of signal lines. At least one of the stages includes a transferring stage sequentially driving the stage, and an output stage partially driving the gate line, in response to a signal outputted from the transferring stage and a driving area selection signal. Accordingly, the display apparatus is partially driven, so that current consumption may be decreased, the display apparatus may be more safely driven, and a position, a size and the number of a non-display area may be more easily controlled.
    Type: Grant
    Filed: October 2, 2007
    Date of Patent: August 20, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sang-Jin Pak, Chang-Hyeon Shin, Joo-Seok Yeom, Myung-Woo Lee, Hyung-Guel Kim, Kee-Han Uh
  • Apparatus and method for managing data in portable terminal
    Patent number: 8364135
    Abstract: A portable terminal is capable of managing data. The portable terminal includes a controller, a display, a memory and a data management unit. The data management unit can sort pre-stored data in the memory as keyword-related data. The data management unit also can sort the pre-stored data depending on frequency of user's use, and outputting, to the display, the sorted data by layer.
    Type: Grant
    Filed: January 13, 2010
    Date of Patent: January 29, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jung-Nyun Kim, Young-Jip Kim, Jin-Woo Jeon, Chang-Hyeon Lim
  • CACHE SYSTEM AND METHOD FOR PROVIDING CACHING SERVICE
    Publication number: 20120191834
    Abstract: Provided are a cache system and a caching service providing method using a cache cloud structure. The cache system may include a plurality of cache servers, each, configured to be independently driven, and configured to be registered to a corresponding virtual layer among a plurality of virtual layers that are managed by a management server, and the management server operating on a storage device and configured to transmit information about at least one registered cache server to at least one client that is connected to the corresponding virtual layer. The at least one client is configured to generate or update a server list in response to the transmitted information, and the registered cache server and the at least one client are configured to be connected to each other based on the server list.
    Type: Application
    Filed: January 19, 2012
    Publication date: July 26, 2012
    Applicant: NHN CORPORATION
    Inventor: Chang Hyeon Song
  • Disc wound transformer with improved cooling
    Patent number: 8111123
    Abstract: A method of manufacturing a transformer that includes forming a disc-wound coil using a plurality of pre-formed cooling ducts. Each cooling duct may be supported by a support pipe secured between walls of the cooling duct, or by a removable insert. First and second conductor layers are formed, each of which include plurality of disc windings arranged in an axial direction of the disc-wound coil. A spacer layer is formed between the first and second conductor layers to form a plurality of axially-extending passages. The cooling ducts are slid into the axially-extending passages so as to be disposed between the first and second conductor layers.
    Type: Grant
    Filed: September 10, 2010
    Date of Patent: February 7, 2012
    Assignee: ABB Technology AG
    Inventors: Jong-Yun Lim, Chang-Yeol Lim, Young-Jin Ha, Chang-Hyeon Lee, Charles W. Johnson, Hae-Sun Yang, Rafael Murillo, Robert C. Ballard
  • Multifunctional video apparatus and method of providing user interface thereof
    Patent number: 8059166
    Abstract: A multifunctional video apparatus and a method of providing a user interface (UI) thereof. The multifunctional video apparatus has diverse functions such as image capturing, image reproduction, image editing, image input/output from/to an external device, etc., and provides a UI capable of performing the above-described functions more conveniently.
    Type: Grant
    Filed: October 11, 2007
    Date of Patent: November 15, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Chang-hyeon Lee, Han-kon Kim
  • METHOD AND APPARATUS FOR PROVIDING ALARM SERVICE IN A MOBILE DIGITAL BROADCASTING SYSTEM
    Publication number: 20110228706
    Abstract: A method and apparatus for providing an alarm service in a mobile digital broadcasting system are provided. A method of a server for providing an alarm service includes configuring a Service Map Table (SMT) that indicates provision or non-provision of an alarm service, transmitting the SMT, and transmitting an alarm service signal through at least one frequency channel. A method of a Mobile Station (MS) for receiving an alarm service includes receiving an SMT from a broadcasting server, analyzing the received SMT and determining alarm service provision or non-provision, and, when the alarm service provision is determined, receiving an alarm service through a corresponding frequency channel.
    Type: Application
    Filed: March 22, 2011
    Publication date: September 22, 2011
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Chang-Hyeon LIM, Byoung-Dai LEE, Young-Jip KIM
  • DISC WOUND TRANSFORMER WITH IMPROVED COOLING
    Publication number: 20110063062
    Abstract: A method of manufacturing a transformer that includes forming a disc-wound coil using a plurality of pre-formed cooling ducts. Each cooling duct may be supported by a support pipe secured between walls of the cooling duct, or by a removable insert. First and second conductor layers are formed, each of which include plurality of disc windings arranged in an axial direction of the disc-wound coil. A spacer layer is formed between the first and second conductor layers to form a plurality of axially-extending passages. The cooling ducts are slid into the axially-extending passages so as to be disposed between the first and second conductor layers.
    Type: Application
    Filed: September 10, 2010
    Publication date: March 17, 2011
    Applicant: ABB TECHNOLOGY AG
    Inventors: Jong-Yun Lim, Chang-Yeol LIM, Young-Jin HA, Chang-Hyeon Lee, Charles W. Johnson, Hae-Sun Yang, Rafael Murillo, Robert C. Ballard
  • Member for windows and doors
    Patent number: D664267
    Type: Grant
    Filed: August 2, 2011
    Date of Patent: July 24, 2012
    Assignee: LG Hausys, Ltd
    Inventors: Jeong-Hyeon Kim, Hag-Gyu Park, Ju-Han Lee, Chang-Hyeon Ji
  • Member for windows and doors
    Patent number: D664678
    Type: Grant
    Filed: August 2, 2011
    Date of Patent: July 31, 2012
    Assignee: LG Hausys, Ltd.
    Inventors: Jeong-Hyeon Kim, Hag-Gyu Park, Ju-Han Lee, Chang-Hyeon Ji
  • Member for windows and doors
    Patent number: D664679
    Type: Grant
    Filed: August 2, 2011
    Date of Patent: July 31, 2012
    Assignee: LG Hausys, Ltd.
    Inventors: Jeong-Hyeon Kim, Hag-Gyu Park, Ju-Han Lee, Chang-Hyeon Ji
  • Member for windows and doors
    Patent number: D664680
    Type: Grant
    Filed: August 2, 2011
    Date of Patent: July 31, 2012
    Assignee: LG Hausys, Ltd.
    Inventors: Jeong-Hyeon Kim, Hag-Gyu Park, Ju-Han Lee, Chang-Hyeon Ji
  • Member for windows and doors
    Patent number: D664681
    Type: Grant
    Filed: August 5, 2011
    Date of Patent: July 31, 2012
    Assignee: LG Hausys, Ltd.
    Inventors: Jeong-Hyeon Kim, Hag-Gyu Park, Ju-Han Lee, Chang-Hyeon Jl