Patents by Inventor Min Ahn

Min Ahn 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: 20100125874
    Abstract: Disclosed a method and apparatus for providing received broadcast data in a digital broadcasting system. The apparatus for controlling a screen configuration in a digital broadcasting receiver includes: a data reception/conversion unit for receiving head-end-side data including configuration data of lattice-type moving picture contents sent through a broadcasting network, and converting the received data into content screen configuration data; and a content screen configuration unit for editing content screen configuration data converted by the data reception/conversion unit, disposing the content screen configuration data according to each category in a display means of a user terminal, and performing a control operation such that the first category and the last category among multiple categories displayed through the display means are cyclically connected and displayed.
    Type: Application
    Filed: November 16, 2009
    Publication date: May 20, 2010
    Applicant: ALTICAST CORP.
    Inventors: Tae-Min AHN, Hoon CHO, You-Jin LEE
  • Patent number: 7680870
    Abstract: An FFT apparatus for quickly processing input signals and method thereof is disclosed. In performing the FFT for processing N input signals, four N/4-point FFT units implemented by radix-2 single-path delay feedback (R2SDF) units performs the FFT with respect to the input signals, and a radix-4 computation unit performs a radix-4 computation with respect to the signals transferred from the N/4-point FFT units. Accordingly, the input signals are processed in parallel through the N/4-point FFT units, and thus a quick process of the input signals can be performed.
    Type: Grant
    Filed: September 23, 2005
    Date of Patent: March 16, 2010
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jeong-sang Lee, Sung-hyun Chung, Jae-min Ahn, Min-joong Rim
  • Patent number: 7657274
    Abstract: A power controlling apparatus and method in a mobile communication system. A receiver in a mobile station multiplexes the frame reception result indicator bits for at least two traffic channels received from a transmitter in a base station, inserts the multiplexed frame reception result indicator bits in a pilot signal bit by bit, and transmits the reverse frame. Then, the transmitter extracts the pilot signal from the reverse frame, demultiplexes the frame reception result indicator bits, and performs a power control on the traffic channels based on the values of the frame reception result indicator bits.
    Type: Grant
    Filed: February 4, 2004
    Date of Patent: February 2, 2010
    Assignee: Samsung Electronics Co., Ltd
    Inventors: Jin-Soo Park, Youn-Sun Kim, Jae-Min Ahn, Soon-Young Yoon, Hee-Won Kang
  • Publication number: 20090300431
    Abstract: A method and system to utilize an Extensible Markup Language (XML) Configuration Access Protocol (XCAP) in which a MOVE command is newly defined, and a user setting information movement request is processed in one operation, are disclosed. A method of controlling movement of particular user setting information registered in a server includes, at a client, transmitting a movement request message including a movement command to set user information, and at the server, processing movement of the particular user setting information as commanded by the movement request message and transmitting a response message.
    Type: Application
    Filed: April 29, 2009
    Publication date: December 3, 2009
    Inventor: Jae-min AHN
  • Patent number: 7623884
    Abstract: An access request message transmission device for a mobile station in a CDMA communication system employing RSMA in which a base station assigns a reverse common channel in response to an access request message from the mobile station, and the mobile station transmits a message to the base station over the assigned reverse common channel. The access request message transmission device includes a hash ID generator for generating a multi-bit hash ID for exclusively using the reverse common channel; a traffic information generator for generating multi-bit traffic information representing traffic information on the reverse common channel; and an access channel transmitter for generating the access request message using the hash ID and the traffic information, and transmitting the generated access request message to the base station over an access channel.
    Type: Grant
    Filed: February 12, 2003
    Date of Patent: November 24, 2009
    Assignee: Samsung Electronics Co., Ltd
    Inventors: Hi-Chan Moon, Jae-Min Ahn, Jae-Yoel Kim, Hee-Won Kang
  • Publication number: 20090276507
    Abstract: A peer-to-peer (P2P) network system and a method of operating the P2P network system are provided. The P2P network system includes at least one edge peer storing resources and at least one super peer sharing and managing resource information corresponding to the resources of the at least one edge peer. By updating changes in characteristics of peers due to elimination and movement of any one of a plurality of edge peers and super peers included in the P2P network, path reconfiguration may be performed efficiently.
    Type: Application
    Filed: April 28, 2009
    Publication date: November 5, 2009
    Inventors: Jae-min AHN, Ji-yon Han, Jeonghwa Song, Uram H. Yoon, Keon-il Jeong, Eo-hyung Lee, Kyung-Iang Park, Shin-dug Kim
  • Publication number: 20090276540
    Abstract: A peer-to-peer (P2P) network system and a method of operating the P2P network system based on region are provided. If an edge peer storing a resource information list of a super peer migrates to a different super peer and is registered and connected with the different super peer, the edge peer transfers the resource information list to the different super peer to share the resource information list. Resources may be searched based on a region information list into which resource information lists of adjacent super peers are integrated.
    Type: Application
    Filed: April 28, 2009
    Publication date: November 5, 2009
    Inventors: Jae-min Ahn, Ji-yon Han, Jeonghwa Song, Uram H. Yoon, Keon-il Jeong, Eo-hyung Lee, Kyung-lang Park, Shin-dug Kim
  • Publication number: 20090254963
    Abstract: A method and an apparatus for providing a virtual channel service are disclosed. The method includes maintaining a contents list recorded in a personal video recorder and a virtual channel information, determining a playback order of recorded contents included in the list in accordance with a preset algorithm, and playing back in sequence the recorded contents through a predetermined virtual channel. As a result, a user may approach easily to the recorded contents.
    Type: Application
    Filed: April 8, 2009
    Publication date: October 8, 2009
    Applicant: ALTICAST CORPORATION
    Inventors: You-Jin Lee, Sung-Woo Nam, Tae-Min Ahn, Hyo-Geun Wang, Hyun-Kyu Lee, Ji-Won Choi
  • Publication number: 20090222528
    Abstract: A resource sharing method for a resource sharing system for a plurality of edge peers that individually store a resource and a plurality of super peers that manage the plurality of edge peers or resource information including a name of the resource that includes at least one key word is provided. In the resource sharing system, the super peers distribute and manage resource information of the edge peers according to a key word. Therefore, if a resource is requested using part of a name of a resource desired by a certain edge peer, the super peer searches for resources including the resource desired by the edge peer. Therefore, a user of an edge peer may acquire a desired resource even using part of a name of a desired resource.
    Type: Application
    Filed: February 26, 2009
    Publication date: September 3, 2009
    Applicants: SAMSUNG ELECTRONICS Co., LTD., INDUSTRY-ACADEMIC COOPERATION FOUNDATION YONSEI UNIVERSITY
    Inventors: Jae-min Ahn, Ji-yon Han, Jeong-hwa Song, U-ram Yoon, Keon-il Jeong, Eo-hyung Lee, Kyung-lang Park, Shin-dug Kim
  • Publication number: 20090152530
    Abstract: A pixel of an image sensor includes a first insulating structure, a photoelectric charge-trap structure, a second insulating structure, and a gate electrode. The first insulating structure is formed on a substrate, and the photoelectric charge-trap structure is formed on the first insulating structure. The second insulating structure is formed on the photoelectric charge-trap structure. The gate electrode is formed on the second insulating structure. The photoelectric charge-trap structure converts a significant amount of light reaching the pixel into charge carriers.
    Type: Application
    Filed: October 15, 2008
    Publication date: June 18, 2009
    Inventors: Sung-Min Ahn, Jeong-Ho Lee
  • Patent number: 7538750
    Abstract: A method of inspecting a flat panel display including inputting an image data signal into the flat panel display, obtaining an image displayed on the flat panel display in response to the input image data signal with a camera, extracting a raw brightness information corresponding to each location from the obtained image, calculating a fitting brightness information corresponding to each location through the curve fitting based on the raw brightness information, calculating a brightness difference corresponding to each location between the raw brightness information and the fitting brightness information, and detecting stain locations with the brightness difference beyond a predetermined permitted limit.
    Type: Grant
    Filed: September 27, 2004
    Date of Patent: May 26, 2009
    Assignee: Samsung Electronics Co., Ltd
    Inventors: Jae-wan Kim, Hyoung-jo Jeon, Yong-sik Douglas Kim, Hwa-sub Shim, Heong-min Ahn, Ho-seok Choi, Myung-ho Jung, Min Hong, Joung-hag Kim, Young-su Ryu, Sung-chai Kim, Seung-gun Byoun, Suk-in Yoo, Kyu-nam Choi, Jae-yeong Lee
  • Patent number: 7488936
    Abstract: A TFT array inspecting apparatus inspects a TFT array disposed at either an inclined position and a level position. The TFT array inspecting apparatus includes a vacuum chamber, a stage disposed in the vacuum chamber so that a TFT array to be inspected is disposed on the stage, an electron gun disposed opposite to the stage in the vacuum chamber to generate an electron beam onto the TFT array, an electron detecting unit to detect secondary electrons emitted from the TFT array by the electron gun, and at least one elevating unit to move the TFT array move between a level position and an inclined position having a designated angle with the level position.
    Type: Grant
    Filed: July 26, 2005
    Date of Patent: February 10, 2009
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ho Seok Choi, Vasily Lenyashine, Hyeong Min Ahn, Jeong Su Ha, Sergey Antonov, Mi Jeong Song
  • Patent number: 7480275
    Abstract: A common power control channel transmission device for a base station in a CDMA communication system is provided having a selector for receiving power control commands to be transmitted to multiple subscribers and multiplexing the received power control commands; and a spreading modulator for spreading an output of the selector by multiplying the output of the selector by a spreading sequence. The common power control channel transmission device can be used to control power of a reverse link common channel. For the power control of the reverse link common channel, the base station receives a signal from a mobile station via the reverse link common channel, and transmits to the mobile station a power control command for controlling a transmission power of the reverse link common channel according to a measured strength of the received signal.
    Type: Grant
    Filed: September 30, 2002
    Date of Patent: January 20, 2009
    Assignee: Samsung Electronics Co., Ltd
    Inventors: Hi-Chan Moon, Jin-Woo Choi, Young-Ky Kim, Jae-Min Ahn, Hyun-Suk Lee
  • Patent number: 7362123
    Abstract: An inspection apparatus for a TFT substrate formed with a plurality of pixels, includes a reference substrate being opposite to and spaced from the TFT substrate and formed with a plurality of reference patterns corresponding to the pixels, a power supply to supply power to both a predetermined number of the pixels and the corresponding reference pattern to form an electric field in a space between the TFT substrate and the reference substrate, an electron beam emitter to emit an electron beam to travel from a first side to a second side of the space, an electron beam detector to detect the electron beam emitted from the electron beam emitter and passed through the space, and a controller to determine whether the TFT substrate includes a defective pixel based on a location of the electron beam detected by the electron beam detector. Thus, the inspection apparatus can correctly and quickly inspect the TFT substrate for defects in a low vacuum state regardless a size of the TFT substrate.
    Type: Grant
    Filed: January 10, 2006
    Date of Patent: April 22, 2008
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ho-seok Choi, Sergey Antonov, Hyeong-min Ahn, Jeong-su Ha, Lemjachine Vassili, Mi-jeong Song
  • Publication number: 20070230432
    Abstract: A repeater including a downlink signal processor, which receives a downlink frame from a radio access station (RAS) and transmits the downlink frame to a portable Internet terminal, and an uplink signal processor, which receives an uplink frame from the portable Internet-terminal and transmits the uplink frame to the RAS, is provided, including: an ID storage unit to store identification (ID) information of the repeater; switches to switch a signal transmission path so that the downlink frame can be transmitted to the portable Internet terminal through the downlink signal processor, or the uplink frame can be transmitted to the RAS through the uplink signal processor; and a switch control unit to control the switches such that the ID information of the repeater is inserted into part of the downlink frame and the downlink and uplink frames are transmitted.
    Type: Application
    Filed: April 3, 2007
    Publication date: October 4, 2007
    Applicant: ALOGICS CO., LTD.
    Inventors: Weon-gyu CHOI, Mi-seon JEONG, Kyu-yong LEE, Min-joong RIM, Jae-min AHN
  • Patent number: 7276918
    Abstract: The present invention provides a sensor and apparatus for measuring flow electric potential for evaluation of a degree of electrodeposition of paint applied to the body or chassis of a vehicle. The sensor includes a base plate part, a dielectric polymer member, a positive (+) electrode terminal and a negative (?) electrode terminal, and an insulation part. The base plate part is mounted on the outer and inner body or chassis of a vehicle, and is electrically connected to ground. The dielectric polymer member is patterned and formed on the base plate part. The positive (+) electrode terminal is connected to the dielectric polymer member and is configured to have a positive (+) polarity. The negative (?) electrode terminal is connected to the base plate part and is configured to have a negative (?) polarity. The insulation part is formed to insulate the positive (+) and negative (?) electrode terminals from each other.
    Type: Grant
    Filed: December 7, 2005
    Date of Patent: October 2, 2007
    Assignee: Hyundai Motor Company
    Inventors: Shin-Jong Oh, Seung-Ho Ahn, Hyun-Min Ahn, Myong-Han Kim, Cheol-Han Kim, Sung-Moo Ryew
  • Patent number: 7255115
    Abstract: An apparatus for cleaning semiconductor wafers includes a chamber, a bubbler having a vapor generating part for generating alcohol vapor and a spray pipe for spraying the alcohol vapor into the chamber, a gas supply nozzle for spraying gas into the chamber to dry the wafers, a liquid supply nozzle for supplying cleaning liquid into the chamber and a discharge system. The spray pipe of the bubbler has a liquid retention portion that keeps condensate of the alcohol vapor from issuing into the chamber. The gas supply nozzle has a spray outlet configured to spray the same amount of the drying gas onto all of the wafers in the chamber. The liquid supply nozzle has liquid supply openings only in a side portion thereof so that liquid alcohol will not become trapped therein.
    Type: Grant
    Filed: April 10, 2003
    Date of Patent: August 14, 2007
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Young-Min Kwon, Chang-Hyeon Nam, Sang-Oh Park, Young-Kwang Myoung, Duk-Min Ahn
  • Patent number: 7227836
    Abstract: A traffic channel transmission device for a CDMA communication system using a plurality of coding rates and orthogonal codes, determines a present channel condition and adaptively selects a coding rate and an orthogonal code according to the determination. In the device, a channel receiver receives a channel signal and a controller analyzes the received signal to decide an environment of a channel in service and generates a coding rate select signal and orthogonal code information according to the decision result. A channel transmitter includes a channel encoder for encoding transmission data at a coding rate selected according to the coding rate select signal and an orthogonal modulator for generating an orthogonal code according to the orthogonal code information to spread the encoded data with the generated orthogonal code, whereby the channel transmitter adaptively encodes and spreads the transmission data according to the channel environment.
    Type: Grant
    Filed: October 16, 2002
    Date of Patent: June 5, 2007
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Seung-Hyun Kong, Young-Ky Kim, Jae-Min Ahn, Soon-Young Yoon
  • Publication number: 20070103172
    Abstract: The present invention provides a sensor and apparatus for measuring flow electric potential for evaluation of a degree of electrodeposition of paint applied to the body or chassis of a vehicle. The sensor includes a base plate part, a dielectric polymer member, a positive (+) electrode terminal and a negative (?) electrode terminal, and an insulation part. The base plate part is mounted on the outer and inner body or chassis of a vehicle, and is electrically connected to ground. The dielectric polymer member is patterned and formed on the base plate part. The positive (+) electrode terminal is connected to the dielectric polymer member and is configured to have a positive (+) polarity. The negative (?) electrode terminal is connected to the base plate part and is configured to have a negative (?) polarity. The insulation part is formed to insulate the positive (+) and negative (?) electrode terminals from each other.
    Type: Application
    Filed: December 7, 2005
    Publication date: May 10, 2007
    Applicant: Hyundai Motor Company
    Inventors: Shin-Jong Oh, Seung-Ho Ahn, Hyun-Min Ahn, Myong-Han Kim, Cheol-Han Kim, Sung-Moo Ryew
  • Patent number: 7193795
    Abstract: An optical system to attain a clear image of an object when the object is photographed in a state where an optical axis of a lens is inclined relative to the object, includes a lens which refracts light radiating from the object, an image producing surface on which the image of the object is produced according to the light refracted by the lens, and an image producing surface control unit which controls the image producing surface to move with respect to the lens. The image producing surface control unit includes an angle control unit to control an angle between an optical axis of the lens and the image producing surface.
    Type: Grant
    Filed: March 3, 2004
    Date of Patent: March 20, 2007
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hyeong-Min Ahn, Dong-Hee Lee, Chang-Hyo Kim, Hyoung-Jo Jeon