Patents by Inventor Hyun Roh

Hyun Roh 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).

  • Publication number: 20120143372
    Abstract: A robot and a method for planning a path of the robot. The method includes storing coordinates of a base cell in a queue structure, setting a plurality of cells adjacent to the base cell as scan cells, calculating a movement direction of the robot from the base cell to each of the scan cells, calculating movement cost of each of the scan cells according to the calculated movement direction, comparing the calculated movement cost and movement cost previously stored in each of the scan cells and determining whether or not coordinates of each of the scan cells are stored in the queue structure, and repeatedly performing a process of recording the movement direction and the movement cost in each of the scan cells and building a map of the movement space of the robot if the coordinates of each of the scan cells are stored in the queue structure.
    Type: Application
    Filed: October 18, 2011
    Publication date: June 7, 2012
    Applicant: Samsung Electronics Co., Ltd.
    Inventor: Chang Hyun ROH
  • Publication number: 20120102155
    Abstract: A communication method for a portable terminal preferably includes emitting, by a transmission portable terminal, at least one of light or sound and notifying a server of emission details, sensing, by a reception portable terminal, the emitted light or sound and notifying the server of sensing details. The transmission portable terminal transmits data to the server, and receives by each of one or more reception portable terminals which have sensed the light or sound, the data through the server.
    Type: Application
    Filed: October 20, 2011
    Publication date: April 26, 2012
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventor: Ho-Hyun ROH
  • Publication number: 20120030284
    Abstract: Provided are a system and a method for providing a neighbor connect service. The neighbor connect service method sets up a neighbor relationship between internal blogs and external blogs and provides information about a blog set up as the neighbor relationship based on the neighbor connect service.
    Type: Application
    Filed: July 8, 2011
    Publication date: February 2, 2012
    Applicant: NHN CORPORATION
    Inventors: Sam Yeol LIM, Young Suk KWON, Myong Jin CHONG, Hui Joung HWANG, David LEE, Myung Hun KANG, Min Jung KIM, Chan Hyun ROH, Sun Woo JEONG
  • Patent number: 8086183
    Abstract: An apparatus and method for perceiving and reporting a neighborhood object, the apparatus including: a message analysis unit to analyze information of an alive message received from the neighborhood object and to determine if the analyzed information lies within a predetermined range; a neighborhood object information control unit to update status information of the neighborhood object by adjusting a transmission cycle, according to which the neighborhood object transmits the alive message, based on a result of the determination by the message analysis unit; and a reporting unit to report the updated status information of the neighborhood object according to a reporting condition.
    Type: Grant
    Filed: August 17, 2007
    Date of Patent: December 27, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Dong-hyun Roh, Seng-su Nam
  • Publication number: 20110197187
    Abstract: The present invention relates to a vehicle software download system and a method thereof, in which electronic control unit (ECU) software is downloaded and a corresponding ECU is updated if the version of ECU software stored in memory is lower than the version of ECU software broadcasted from an external apparatus, thereby promptly updating the ECU software installed in the vehicle.
    Type: Application
    Filed: February 7, 2011
    Publication date: August 11, 2011
    Inventor: Seung Hyun ROH
  • Publication number: 20110178639
    Abstract: A humanoid robot that achieves stable walking based on servo control of a joint torque and a walking control method thereof. The humanoid robot calculates a joint position trajectory compensation value and a joint torque compensation value using a measurement value of a sensor, compensates for a joint position trajectory and a joint torque using the calculated compensation value, and drives a motor mounted to each joint according to the compensated joint torque.
    Type: Application
    Filed: January 14, 2011
    Publication date: July 21, 2011
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Woong KWON, Joong Kyung PARK, Ju Suk LEE, Chang Hyun ROH, Min Hyung LEE, Jae Ho PARK, Joo Hyung KIM, Ho Seong KWAK
  • Publication number: 20110124273
    Abstract: In a wafer polishing apparatus, the height of the wheel tip can be adjusted. The wafer polishing apparatus includes a wheel tip constructed and arranged to be in direct contact with a wafer; a spindle shaft configured to receive power to enable rotation of the wheel tip; a wheel shank positioned at a lower part of the spindle shaft and supporting the wheel tip, the wheel tip not being directly fixed thereto; and a moving shaft having a first side on which the wheel tip is mounted and an opposite side to which the spindle shaft is connected, and relatively movable with respect to the spindle shaft.
    Type: Application
    Filed: May 27, 2010
    Publication date: May 26, 2011
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jung-Hyun Roh, Heui-Seog Kim, Wha-Su Sin, Jun-Soo Han
  • Patent number: 7929823
    Abstract: A device and a method for displaying images are provided. The device includes an input unit, a frame searching unit, a thumbnail selection unit, and a video processing unit. The input unit receives a signal for moving an image playback location along a time axis by an interval from a current playback point of images being played back. The frame searching unit sets a skip section ranging from a skip start point to a skip end point, in response to the received signal. The thumbnail selection unit selects a plurality of thumbnail images existing in the skip section. The video processing unit displays the selected thumbnail images.
    Type: Grant
    Filed: November 8, 2006
    Date of Patent: April 19, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Dong-hyun Roh
  • Publication number: 20110033904
    Abstract: Disclosed herein is a method for preparing ortho-dihydroxyisoflavones using a biotransformation system. More specifically, disclosed is a method for preparing ortho-dihydroxyisoflavones, which comprises biotransforming daidzein or genistein by actinomycete microorganisms, particularly Streptomyces avermitilis, Nocardia farcinica or Streptomyces lincolnesis, in order to efficiently prepare ortho-dihydroxyisoflavones having an excellent antioxidant function and a whitening effect.
    Type: Application
    Filed: April 25, 2008
    Publication date: February 10, 2011
    Inventors: Jun Seong Park, Hye Yoon Park, Ho Sik Rho, Duck Hee Kim, Ih Seop Chang, Byung Gee Kim, Chang Hyun Roh, Su Hyun Seo, Kwon Young Choi, June Hyung Kim, Min-Ho Cha, Prasad Pandey Bishnu
  • Publication number: 20100231507
    Abstract: Provided are a method and apparatus for providing digital content and a method and apparatus for displaying digital content. In the displaying method, method of displaying content in a terminal, situational information including at least one of information regarding a user of the terminal and information regarding an external environment is collected, whether the collected situational information conforms to display conditions of the content is determined, and then, the content is selectively displayed based on a result of the determining.
    Type: Application
    Filed: September 23, 2009
    Publication date: September 16, 2010
    Inventor: Dong-Hyun Roh
  • Patent number: 7769977
    Abstract: An apparatus and a method for managing a storage space through time-variant consumption estimation. More particularly, an apparatus and a method for managing a storage space through time-variant consumption estimation that estimates consumption of an entire storage space when a user instructs program editing, program recording or reserved recording, and so on. When there is a possibility that the estimated consumption exceeds a predetermined value, immediately providing a user with information indicating that the storage space is lacking. The apparatus includes a storage unit storing contents in the storage space, a consumption estimation unit estimating time-variant consumption of the storage space, a contents management unit deleting at least a portion of the contents or storing at least a portion of additionally input contents according to the estimation result, and an output unit outputting the deletion or storage result.
    Type: Grant
    Filed: January 17, 2007
    Date of Patent: August 3, 2010
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Dong-hyun Roh, Yong-sung Kim, Tae-ung Jung, So-hee Jang
  • Patent number: 7751935
    Abstract: A method of controlling vibration of a moving system having driving and driven units includes measuring an acceleration of the driven unit, generating a nominal acceleration by subtracting gravity from the measured acceleration, generating a control driving force according to the nominal acceleration, the driving force having a direction opposite to that of the measured acceleration, and applying the control driving force to the driven unit.
    Type: Grant
    Filed: December 1, 2004
    Date of Patent: July 6, 2010
    Assignee: Samsung Electronic Co., Ltd.
    Inventors: Joo-young Kwak, Yong-kwun Lee, Young Son, Chang-hyun Roh
  • Publication number: 20100168917
    Abstract: Disclosed is a method of absorbing an impact generated when a foot of a walking robot lands on the ground to perform the walking of the walking robot. When the foot of the walking robot lands on the ground, an F/T sensor installed on the sole or the ankle of the foot measures external force and the posture of the sole of the foot is adjusted in a direction of complying with the external force, and thus an impact transmitted to the walking robot in landing is absorbed. Further, the posture adjusting speed of the sole of the foot is adjusted according to walking speeds (stopped, walking, running).
    Type: Application
    Filed: December 9, 2009
    Publication date: July 1, 2010
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventor: Chang Hyun Roh
  • Publication number: 20100149347
    Abstract: Disclosed are a terminal and a blogging method thereof. In the blogging method, a preview image displayed through a camera is recognized to acquire information of the preview image. It is determined whether there is a stored blog that has background information that is identical to the information of the preview image, and if a stored blog has background information that is identical to the information of the preview image, contents of the stored blog that uses the preview image as its background are imported and the imported contents are displayed on the preview image.
    Type: Application
    Filed: June 11, 2009
    Publication date: June 17, 2010
    Inventors: Suk-un KIM, Dong-hyun Roh, Yeong-geol Kim
  • Publication number: 20100131335
    Abstract: A method and apparatus for modeling interests of a user based on the user's behavior and surrounding information, according to information sensed in a mobile terminal, are provided. User interest information is extracted from a mobile terminal use record of the user, situation information of the user is extracted from the mobile terminal, and user interest in a corresponding situation is modeled based on the obtained interest information and situation information.
    Type: Application
    Filed: May 18, 2009
    Publication date: May 27, 2010
    Inventors: Dong-hyun ROH, So-hee Jang, Young-jun Kim
  • Publication number: 20100019892
    Abstract: A gateway control apparatus for vehicles includes a receiver configured to receive vehicle state information from vehicle ECUs and a vehicle-to-vehicle distance from an intelligent cruise control unit. The gateway control apparatus also includes a first memory to store the vehicle state information, a calculation unit to calculate a relative velocity and a relative acceleration from the vehicle state information, and to calculate a collision index. A determination unit determines if the collision index exceeds a predetermined value. A vehicle information management unit determines an accident occurrence time point when the collision index exceeds the predetermined value, and allows the first memory to store pre-accident and post-accident vehicle state information. The gateway control apparatus stores the pre-accident and post-accident vehicle state information even in the case of a fender bender or minor collision to use the stored information for post-accident judgment.
    Type: Application
    Filed: July 24, 2009
    Publication date: January 28, 2010
    Applicant: MANDO CORPORATION
    Inventors: Seung Hyun Roh, Min Woo Park, Doo Kyum Kim
  • Publication number: 20090319082
    Abstract: A method of controlling walking a biped robot to generate a walking pattern maximally similar to that of a human includes generating a walking pattern, calculating a walking pattern similarity corresponding to the walking pattern, and comparing the walking pattern similarity with a predetermined reference pattern similarity, and changing the walking pattern based on a result of the comparison. When the robot walks, a knee is maximally stretched and a horizontal movement of a waist is minimized such that the walking pattern of the robot is maximally similar to that of a human, thus enhancing an affinity for a human being and increasing energy efficiency.
    Type: Application
    Filed: April 21, 2009
    Publication date: December 24, 2009
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Woong KWON, Joong Kyung Park, Chang Hyun Roh, Jae Ho Park, Ho Seong Kwak
  • Publication number: 20090308668
    Abstract: Disclosed are a walking robot and a method of controlling the same, in which impedance control and torso tilt control are achieved complementarily such that impedance can be adjusted according to the tilt of a torso or the tilt of the torso can be adjusted according to the impedance. The method includes measuring a moment of a foot; measuring a tilt of a torso; adjusting the scale of the measured moment based on the tilt of the torso, and controlling the foot based on the scale-adjusted moment; and adjusting the scale of the measured tilt based on a ZMP variation amount of the foot, and controlling the tilt of the torso based on the scale-adjusted ZMP variation amount.
    Type: Application
    Filed: March 9, 2009
    Publication date: December 17, 2009
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Chang Hyun ROH, Woong KWON
  • Patent number: 7462400
    Abstract: Disclosed herein are a caster-resistant surface laminate using a synthetic resin and a flooring comprising the surface laminate. The surface laminate utilizes buffering properties of a synthetic resin layer, thus minimizing damage to the surface of the flooring. The surface laminate uses a resin selected from PVC, PE, PET, PETG, PCTG and PU in order to enhance the caster resistance, impact resistance and water resistance. As a result, the surface laminate has improved physical properties without occurrence of damage, such as hollowing and breakage, caused by external impacts, as compared to conventional surface laminates. In addition, the caster-resistant surface laminate attains interior decorative effects by coloration of the synthetic resin layer.
    Type: Grant
    Filed: October 31, 2005
    Date of Patent: December 9, 2008
    Assignee: LG Chem, Ltd.
    Inventors: Byung-Hyun Roh, Gun-Soo Chung, Ill-Hong Min, Seog-Goo Kang, Sung-Hoon Yue
  • Publication number: 20080220724
    Abstract: An apparatus and method for perceiving and reporting a neighborhood object, the apparatus including: a message analysis unit to analyze information of an alive message received from the neighborhood object and to determine if the analyzed information lies within a predetermined range; a neighborhood object information control unit to update status information of the neighborhood object by adjusting a transmission cycle, according to which the neighborhood object transmits the alive message, based on a result of the determination by the message analysis unit; and a reporting unit to report the updated status information of the neighborhood object according to a reporting condition.
    Type: Application
    Filed: August 17, 2007
    Publication date: September 11, 2008
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Dong-hyun Roh, Seng-su Nam