Patents by Inventor Yun Sang ON

Yun Sang ON 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).

  • Semiconductor memory device having resistive memory cells and method of testing the same
    Patent number: 9147500
    Abstract: A semiconductor memory device includes a memory cell array, a mode register set and a test circuit. The memory cell array includes a plurality of wordlines, a plurality of bitlines, and a plurality of spin-transfer torque magneto-resistive random access memory (STT-MRAM) cells, and each STT-MRAM cell disposed in a cross area of each wordline and bitline, and the STT-MRAM cell includes a magnetic tunnel junction (MTJ) element and a cell transistor. A gate of the cell transistor is coupled to a wordline, a first electrode of the cell transistor is coupled to a bitline via the MTJ element, and a second electrode of the cell transistor is coupled to a source line. The mode register set is configured to set a test mode, and the test circuit is configured to perform a test operation by using the mode register set.
    Type: Grant
    Filed: July 18, 2013
    Date of Patent: September 29, 2015
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hye-Jin Kim, Hyung-Rok Oh, Dong-Seok Kang, Dong-Hyun Sohn, Sang-Beom Kang, Chul-Woo Park, Yun-Sang Lee
  • STACKED SEMICONDUCTOR APPARATUS, SYSTEM AND METHOD OF FABRICATION
    Publication number: 20150221615
    Abstract: A stacked semiconductor apparatus and method of fabricating same are disclosed. The apparatus includes upper and lower semiconductor devices having a similar pattern of connection elements. When stacked connected the resulting plurality of semiconductor devices includes a serial connection path traversing the stack, and may also include parallel connection paths, back-side mounted large components, and vertical thermal conduits.
    Type: Application
    Filed: April 10, 2015
    Publication date: August 6, 2015
    Inventors: KI-TAE PARK, KANG-WOOK LEE, YOUNG-DON CHOI, YUN-SANG LEE
  • Device and portable storage device which are capable of transferring rights object, and a method of transferring rights object
    Patent number: 9098684
    Abstract: A device and a portable storage device which are capable of transferring a rights object (RO) and a method of transferring an RO are provided. The method includes enabling a device to transmit an installation request message to a portable storage device for installing a copy of an original RO present in the device in the portable storage device, enabling the device to install the copy of the original RO in the portable storage device, and enabling the device to receive an installation response message indicating that the copy of the original RO has been successfully installed in the portable storage device from the portable storage device.
    Type: Grant
    Filed: January 31, 2014
    Date of Patent: August 4, 2015
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Yun-Sang Oh, Sang-Gyoo Sim, Yeo-Jin Kim
  • Memory system having variable operating voltage and related method of operation
    Patent number: 9076542
    Abstract: A magneto-resistive random access memory (MRAM) including an MRAM cell array having an MRAM cell, and a control and voltage generation unit configured to generate a back bias voltage for the MRAM cell. The control and voltage generation unit including a command decoder configured to generate a decoding signal in response to a command output from a memory controller, and a voltage controller and generator configured to generate the back bias voltage with a magnitude based on the decoding signal and a reset signal output from the memory controller.
    Type: Grant
    Filed: November 12, 2013
    Date of Patent: July 7, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Dong Hyun Sohn, Chan Kyung Kim, Yun Sang Lee
  • Stacked semiconductor apparatus, system and method of fabrication
    Patent number: 9030004
    Abstract: A stacked semiconductor apparatus and method of fabricating same are disclosed. The apparatus includes upper and lower semiconductor devices having a similar pattern of connection elements. When stacked connected the resulting plurality of semiconductor devices includes a serial connection path traversing the stack, and may also include parallel connection paths, back-side mounted large components, and vertical thermal conduits.
    Type: Grant
    Filed: October 24, 2012
    Date of Patent: May 12, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ki-Tae Park, Kang-Wook Lee, Young-Don Choi, Yun-Sang Lee
  • METHOD AND APPARATUS FOR IDENTIFYING MICROCELLS IN MACROCELLS IN WIRELESS COMMUNICATION SYSTEMS, AND HANDOVER METHOD AND SYSTEM USING SAME
    Publication number: 20150056989
    Abstract: The present invention relates to a method for identifying a microcell in a macrocell including the steps of: a User Equipment (UE) obtaining a physical identity of the microcell by performing cell search on an adjoining microcell; and the UE identifying the microcell by using a specific pattern of a sub-frame transmitted by the microcell.
    Type: Application
    Filed: February 8, 2013
    Publication date: February 26, 2015
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Kang-Yong Lee, Seong-Joon Kim, Yun-Sang Park, Byoung-Jae Bae, Byeong-Yun Lee
  • Method and apparatus for transmitting rights object information between device and portable storage
    Patent number: 8955158
    Abstract: A method and apparatus for transmitting rights object information between a device and a portable storage are provided. The method includes transmitting a predetermined request from the device to the portable storage, generating a current permission status format including information of a rights object designated by the request, using the portable storage, and transmitting the current permission status format from the portable storage to the device. According to the method and apparatus, overhead is reduced and information transmission speed is increased when the rights object information is transmitted between the device and the portable storage.
    Type: Grant
    Filed: January 6, 2014
    Date of Patent: February 10, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yun-Sang Oh, Tae-sung Kim, Kyung-im Jung, Shin-han Kim
  • Apparatus and method for using secure removable media (SRM) in digital rights management
    Patent number: 8918640
    Abstract: An apparatus and a method for using a Secure Removable Media (SRM) in Digital Rights Management (DRM) are provided. The method for using the SRM in Digital Rights Management (DRM) includes determining, at a plurality of content service providers, an SRM usage rule and providing the determination to a trust authority using an eXtensible Markup Language (XML); receiving messages comprising the SRM usage rule from the content service providers and sending the messages to an apparatus together with an electronic signature; and receiving the messages comprising the SRM usage rule and changing an operation of the apparatus according to requirements of at least one content service provider. Thus, various content business models can be realized.
    Type: Grant
    Filed: August 18, 2009
    Date of Patent: December 23, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Yun-Sang Oh
  • Apparatus and method for using contents information in digital rights management
    Patent number: 8850192
    Abstract: An apparatus and method for determining contents information corresponding to a Rights Object (RO) by transmitting information on contents together when the RO is moved from a mobile device to a memory card or a smart card or when the RO is moved from the memory card or the smart card to the mobile device are provided. The apparatus includes a meta information manager for determining information on contents corresponding to the RO when the RO is moved, and for generating meta information containing the determined contents information, and a controller for providing control to transmit the RO and the meta information generated by the meta information manager to a portable storage device. Accordingly, the conventional problem can be solved in which information on contents cannot be determined by using a Contents IDentifier (CID) if the RO does not exist together with the contents.
    Type: Grant
    Filed: November 26, 2012
    Date of Patent: September 30, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Seong Choi, Jung-Hun Park, Yun-Sang Oh
  • Apparatus and method for channel estimation in wireless communication system
    Patent number: 8750397
    Abstract: An apparatus and method for regulating arrangement of pilot subcarriers to improve a channel estimation throughput in a wireless communication system using an Orthogonal Frequency Division Multiplexing (OFDM) scheme are provided. The apparatus includes a pilot pattern manager for providing control such that pilots are non-uniformly generated according to a distance of a preamble in order to provide a constant link throughput of the frame when the downlink frame is generated.
    Type: Grant
    Filed: October 7, 2008
    Date of Patent: June 10, 2014
    Assignee: Samsung Electronics Co., Ltd
    Inventors: Yun-Sang Park, Jae-Hwan Chang, Young-Hak Kim
  • DEVICE AND PORTABLE STORAGE DEVICE WHICH ARE CAPABLE OF TRANSFERRING RIGHTS OBJECT, AND A METHOD OF TRANSFERRING RIGHTS OBJECT
    Publication number: 20140150112
    Abstract: A device and a portable storage device which are capable of transferring a rights object (RO) and a method of transferring an RO are provided. The method includes enabling a device to transmit an installation request message to a portable storage device for installing a copy of an original RO present in the device in the portable storage device, enabling the device to install the copy of the original RO in the portable storage device, and enabling the device to receive an installation response message indicating that the copy of the original RO has been successfully installed in the portable storage device from the portable storage device.
    Type: Application
    Filed: January 31, 2014
    Publication date: May 29, 2014
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Yun-Sang OH, Sang-Gyoo SIM, Yeo-Jin KIM
  • DEVICE AND PORTABLE STORAGE DEVICE WHICH ARE CAPABLE OF TRANSFERRING RIGHTS OBJECT, AND A METHOD OF TRANSFERRING RIGHTS OBJECT
    Publication number: 20140150113
    Abstract: A device and a portable storage device which are capable of transferring a rights object (RO) and a method of transferring an RO are provided. The method includes enabling a device to transmit an installation request message to a portable storage device for installing a copy of an original RO present in the device in the portable storage device, enabling the device to install the copy of the original RO in the portable storage device, and enabling the device to receive an installation response message indicating that the copy of the original RO has been successfully installed in the portable storage device from the portable storage device.
    Type: Application
    Filed: January 31, 2014
    Publication date: May 29, 2014
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Yun-Sang OH, Sang-Gyoo SIM, Yeo-Jin KIM
  • MEMORY SYSTEM HAVING VARIABLE OPERATING VOLTAGE AND RELATED METHOD OF OPERATION
    Publication number: 20140146600
    Abstract: A magneto-resistive random access memory (MRAM) comprising an MRAM cell array having an MRAM cell, and a control and voltage generation unit configured to generate a back bias voltage for the MRAM cell. The control and voltage generation unit comprising a command decoder configured to generate a decoding signal in response to a command output from a memory controller, and a voltage controller and generator configured to generate the back bias voltage with a magnitude based on the decoding signal and a reset signal output from the memory controller.
    Type: Application
    Filed: November 12, 2013
    Publication date: May 29, 2014
    Inventors: DONG HYUN SOHN, CHAN KYUNG KIM, YUN SANG LEE
  • Memory device, method of operating the same, and apparatus including the same
    Patent number: 8737153
    Abstract: A method of operating a memory device includes masking at least one bank among a plurality of banks in response to a mode register writing command; and performing a refresh operation on a plurality of rows in one of unmasked banks in response to a first per-bank refresh command.
    Type: Grant
    Filed: September 13, 2012
    Date of Patent: May 27, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Young-Il Lim, Cheol Kim, Jung Sik Kim, Yun Sang Lee
  • METHOD AND APPARATUS FOR TRANSMITTING RIGHTS OBJECT INFORMATION BETWEEN DEVICE AND PORTABLE STORAGE
    Publication number: 20140123326
    Abstract: A method and apparatus for transmitting rights object information between a device and a portable storage are provided. The method includes transmitting a predetermined request from the device to the portable storage, generating a current permission status format including information of a rights object designated by the request, using the portable storage, and transmitting the current permission status format from the portable storage to the device. According to the method and apparatus, overhead is reduced and information transmission speed is increased when the rights object information is transmitted between the device and the portable storage.
    Type: Application
    Filed: January 6, 2014
    Publication date: May 1, 2014
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Yun-Sang OH, Tae-sung KIM, Kyung-im JUNG, Shin-han KIM
  • Chemical reaction-type metaheuristic
    Patent number: 8706423
    Abstract: Subject matter disclosed herein relates to various embodiments of a chemical reaction-type metaheuristic. According to an embodiment, solutions to an objective function can be determined by iteratively searching for a minimum energy state of one or more interactions of molecules in a chemical reaction. The molecules in the chemical reaction can be assigned to represent the possible outcomes of the objective function. In a specific embodiment, the interactions of the molecules can modeled as on-wall ineffective collisions, decompositions, inter-molecular ineffective collisions, and synthesis. The type of interaction can affect where the next molecular structure is searched.
    Type: Grant
    Filed: July 6, 2009
    Date of Patent: April 22, 2014
    Assignee: Jang Partners, LLC
    Inventors: Victor On-Kwok Li, Albert Yun Sang Lam
  • Apparatus and method of managing security data
    Patent number: 8677498
    Abstract: An apparatus and method are provided for securely managing security data between a host device and a secure multimedia card. A host device includes an access mode setting unit which sets an access mode for security data that is stored in a secure multimedia card, a transmitting and receiving unit which transmits an access request message that includes the set access mode, and an access information managing unit which receives, if connection between the host device and the secure multimedia card is separated, access information stored in the secure multimedia card, and compares the access information.
    Type: Grant
    Filed: May 14, 2007
    Date of Patent: March 18, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yeo-jin Kim, Yun-sang Oh, Sang-gyoo Sim, Kyung-im Jung, Ji-soo Kim
  • Device and portable storage device which are capable of transferring rights object, and a method of transferring rights object
    Patent number: 8661430
    Abstract: A device and a portable storage device which are capable of transferring a rights object (RO) and a method of transferring an RO are provided. The method includes enabling a device to transmit an installation request message to a portable storage device for installing a copy of an original RO present in the device in the portable storage device, enabling the device to install the copy of the original RO in the portable storage device, and enabling the device to receive an installation response message indicating that the copy of the original RO has been successfully installed in the portable storage device from the portable storage device.
    Type: Grant
    Filed: November 29, 2007
    Date of Patent: February 25, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yun-Sang Oh, Sang-Gyoo Sim, Yeo-Jin Kim
  • Method and apparatus for transmitting rights object information between device and portable storage
    Patent number: 8646061
    Abstract: A method and apparatus for transmitting rights object information between a device and a portable storage are provided. The method includes transmitting a predetermined request from the device to the portable storage, generating a current permission status format including information of a rights object designated by the request, using the portable storage, and transmitting the current permission status format from the portable storage to the device. According to the method and apparatus, overhead is reduced and information transmission speed is increased when the rights object information is transmitted between the device and the portable storage.
    Type: Grant
    Filed: May 31, 2005
    Date of Patent: February 4, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yun-sang Oh, Tae-sung Kim, Kyung-im Jung, Shin-han Kim
  • Case for portable tablet PC
    Patent number: D723039
    Type: Grant
    Filed: December 12, 2013
    Date of Patent: February 24, 2015
    Inventors: Tae Won Kang, Yun Sang Nam