Patents Represented by Attorney Mayer Brown Rowe & Maw LLP

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  • Apparatus and method for recognizing positive/negative intention using fine change of gamma wave of brainwave
    Patent number: 7162295
    Abstract: Provided are an apparatus and a method for recognizing positive/negative intention using a fine change of gamma wave of a brainwave comprising the steps of detecting the brainwave from a head of a user, receiving and amplifying the brainwave detected from the step of detecting the brainwave, converting the amplified analog brainwave to one of a digital type, and recognizing the positive/negative intention of the user by detecting the fine change of the gamma wave of the brainwave in the digital type, which is transmitted from the A/D converting portion, whereby it is possible to implement an application of a real time interface and minimizes inconvenience for the user, and it requires no separate user practice.
    Type: Grant
    Filed: March 16, 2004
    Date of Patent: January 9, 2007
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Chang Su Ryu, Yoon Seon Song, Seung Hoon Nam, Tae Gyu Yim, Chang Yong Ryu
  • High voltage switch circuit for semiconductor device
    Patent number: 7157957
    Abstract: Provided is concerned with a high voltage switch circuit for a semiconductor device, which rapidly discharges a gate voltage of a pass transistor through an additional discharge transistor during inactivation of itself in the circuit structure with a positive feedback loop for transferring an internal high voltage without a voltage drop by applying an enough voltage to the gate of the pass transistor. The high voltage switch circuit prevents the internal high voltage from decreasing.
    Type: Grant
    Filed: December 8, 2004
    Date of Patent: January 2, 2007
    Assignee: Hynix Semiconductor Inc.
    Inventor: Doe Cook Kim
  • Automatic gain control feedback amplifier
    Patent number: 7157977
    Abstract: There is provided a feedback amplifier capable of easily controlling its dynamic range without a separate gain control signal generation circuit. The feedback amplifier includes an input terminal detecting an input voltage from input current, a feedback amplification unit amplifying the input voltage to generate an output signal, and an output terminal outputting a signal amplified by the feedback amplification unit. The feedback amplification unit includes a feedback circuit unit including a feedback resistor located between the input terminal and the output terminal, and a feedback transistor connected in parallel to the feedback resistor; and a bias circuit unit supplying a predetermined bias voltage to the feedback transistor of the feedback circuit unit and merged in the feedback amplification unit.
    Type: Grant
    Filed: November 23, 2004
    Date of Patent: January 2, 2007
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Sang Heung Lee, Hyeon Cheol Ki, Jin Yeong Kang, Kyu Hwan Shim, Kyong Ik Cho
  • Method for preparing 4-aminodiphenylamine
    Patent number: 7157605
    Abstract: 4-aminodiphenylamine is prepared by reacting carbanilide and nitrobenzene in an adequate solvent, which may be nitrobenzene, in the presence of an appropriate organic base, which may be tetramethylammonium hydroxide, alone or in mixture with an inorganic base and subsequently reducing the reaction product in the presence of an appropriate catalyst and hydrogen gas. The subsequent reduction may be carried out on the reaction mixture before the reaction mixture is subjected to separation.
    Type: Grant
    Filed: September 14, 2005
    Date of Patent: January 2, 2007
    Assignee: Korea Kumho Petrochemical Co., Ltd.
    Inventors: Jin-eok Kim, Jong-cheon Park, Kil-sun Lee, Jung-hee Jang
  • HCMS carbon capsule, electrocatalysts for fuel cell supported by HCMS carbon capsule, and method of preparing the same
    Patent number: 7157402
    Abstract: The present invention provides a bimodal porous carbon capsule with a hollow core and a mesoporous shell structure, which can be employed as an electrocatalyst support for a fuel cell; electrocatalysts for the fuel cell using the bimodal porous carbon capsule, and a method of preparing the same. The electrocatalyst according to the present invention has higher catalysis activity as compared with the Pt—Ru or Pt catalyst supported by the conventional carbon black, so that the performance of the fuel cell is enhanced, and it can be easily prepared in an aqueous solution state. According to the present invention, the porous carbon support employed as the support for the catalyst has excellent conductivity and a high surface area, so that the loaded catalyst can be prepared with a smaller amount than that of the conventional carbon black.
    Type: Grant
    Filed: August 6, 2004
    Date of Patent: January 2, 2007
    Assignee: Hannam University
    Inventors: Jong Sung Yu, Geun Seok Chai, Suk Bon Yoon
  • Temperature independent reference voltage generator
    Patent number: 7157893
    Abstract: There is provided a reference voltage generator that generates a constant reference voltage regardless of a change in temperature. The reference voltage generator includes a temperature-compensated current generating part for reducing a supply current provided to an output terminal in response to an increase of temperature, and a diode for receiving the supply current through the output terminal.
    Type: Grant
    Filed: June 29, 2004
    Date of Patent: January 2, 2007
    Assignee: Hynix Semiconductor Inc.
    Inventor: Jong-Chern Lee
  • Delay locked loop in semiconductor memory device and locking method thereof
    Patent number: 7154311
    Abstract: Provided is a delay locked loop (DLL) adapted for high-speed operation of a semiconductor memory device. The delay locked loop (DLL) includes: a clock buffer; a plurality of clock dividers; and a controller for activating an enable signal at a falling edge of a control clock by using a reset bar signal and a control clock outputted from the clock buffer.
    Type: Grant
    Filed: December 22, 2004
    Date of Patent: December 26, 2006
    Assignee: Hynix Semiconductor Inc.
    Inventor: Min-Su Lim
  • Method of forming metal line layer in semiconductor device
    Patent number: 7148150
    Abstract: The present invention relates to a method of forming a metal line layer in a semiconductor device comprising step of depositing a metal line layer on a semiconductor structure; forming an insulating film and a photoresist material on the metal line layer in a sequential manner, patterning the metal line layer by using the photoresist material and the insulating film as a mask; removing the photoresist material; and etching the insulating film in an isotropic manner. According to the present invention, since metal polymers and metal residues are perfectly removed during the process of forming the metal line layer, it is possible to remove sources, which induce the bridge phenomena. Therefore, it is possible to remarkably improve reliability of a semiconductor device.
    Type: Grant
    Filed: December 1, 2003
    Date of Patent: December 12, 2006
    Assignee: Hynix Semiconductor Inc.
    Inventor: Joon Hyeon Lee
  • Twist machine for whole body exercise
    Patent number: 7147589
    Abstract: A twist machine for whole body exercise comprises a base (10), a rotary post (20) rotatably mounted on the base, a seat (30) provided on the top of the rotary post, a handle (60) operatively associated with the rotary post for rotation about the rotary post, and a reverse rotator (50, 70, 72) for causing the rotary post and the handle to turn in an opposite direction with each other when one of the rotary post and the handle is subjected to forcible rotation. The reverse rotator is provided with a sun gear (70) affixed to the rotary post, a plurality of planetary gears (72) rotatably mounted to the base in a meshing engagement with the sun gear and a ring gear (50) fixedly secured to the handle in a meshing engagement with the planetary gears.
    Type: Grant
    Filed: March 26, 2004
    Date of Patent: December 12, 2006
    Inventor: Hee-Seon Chae
  • Method for forming metal wiring of semiconductor device
    Patent number: 7148139
    Abstract: A method for forming a metal wiring of a semiconductor includes forming an inter metal dielectric layer on a semiconductor substrate having a predetermined low structure with a conductive layer. A plurality of contact holes is formed to expose the conductive layer through the inter metal dielectric layer. A first titanium nitride layer is formed on sidewalls of the contact holes. The first titanium nitride layer is plasma processed. A first titanium silicon nitride layer is formed on the first titanium nitride layer. Metal plugs are formed on the first titanium silicon nitride layer. The metal plugs, the first titanium silicon nitride layer, and the first titanium nitride layer are polished to expose the inter metal dielectric layer. Metal wirings are formed to cover the contact holes.
    Type: Grant
    Filed: December 30, 2004
    Date of Patent: December 12, 2006
    Assignee: Dongbu Electronics Co., Ltd.
    Inventor: Byung-Hyun Jung
  • Manufacturing method of semiconductor device
    Patent number: 7148132
    Abstract: A method of manufacturing a semiconductor device. A cobalt film is formed on a wafer including gate, source, and drain regions. An initial protection metal film is formed with an initial amount of a protection metal film material on the cobalt film. The wafer is thermally treated to form a cobalt silicide film. An additional protection metal film is formed with an additional amount of the protection metal film material.
    Type: Grant
    Filed: December 30, 2004
    Date of Patent: December 12, 2006
    Assignee: Dongbu Electronics Co., Ltd.
    Inventor: Jae-Won Han
  • Spectacles and sunshade clip assembly using magnets
    Patent number: 7144108
    Abstract: Disclosed herein is a spectacles and sunshade clip assembly. The spectacles include a pair of lens frames each having a prescription lens fitted therein, a nose bridge interposed between the lens frames to connect the lens frames to each other, and a pair of temple arms connected to opposite outer ends of both the lens frames by means of hinges in a foldable manner. The sunshade clip, to be detachably attached to a front side of the spectacles, includes a pair of elongated coupling plates integrally formed along upper ends of both the lens frames thereof, the coupling plates protruding toward both the lens frames of the spectacles to come into contact with upper surfaces of the lens frames in an assembled state of the spectacles and the sunshade clip.
    Type: Grant
    Filed: April 28, 2005
    Date of Patent: December 5, 2006
    Inventor: Heung-Woo Lee
  • Jaw crusher
    Patent number: 7143970
    Abstract: A jaw crusher used to crush hard materials includes a frame and a fixed and movable jaw positioned in spaced opposed relationship to receive hard materials to be crushed between the jaws. A lever is pivotally connected to the frame for pivotal movement about an axis and includes first and second extensions. The first extension includes a part that is in communication with the movable jaw and a part that is in communication with the axis and the second extension includes a part in communication with a reciprocating drive and a part in communication with the pivot axis. The distance between the parts of the second extension is greater than the distance between the parts of the first extension causing leveraged force to be applied on the movable jaw on application of force on the second extension by the reciprocating drive.
    Type: Grant
    Filed: January 6, 2003
    Date of Patent: December 5, 2006
    Inventor: Yonggan Ha
  • Field emission display in which a field emission device is applied to a flat display
    Patent number: 7141923
    Abstract: Provided is a field emission display in which a gate hole having an inclined inner wall and a gate electrode around the gate hole are formed between an anode plate having a phosphor and a cathode plate having a field emitter and a control device for controlling a field emission current, whereby the voltage applied to the gate electrode of the gate plate serves to prohibit an electron emission of the field emitter by the anode voltage, and prevent a local arching by forming a totally uniform potential, so that the life time of the field emission display can be improved, and the gate hole having the inclined inner wall enables a fabrication of a filed emission display panel having a high brightness without an additional focusing grid.
    Type: Grant
    Filed: April 15, 2004
    Date of Patent: November 28, 2006
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Yoon Ho Song, Chi Sun Hwang, Kwang Bok Kim
  • ATM-PON ONU controlling apparatus
    Patent number: 7142544
    Abstract: A PON slave controller for use in a PON ONU system capable of processing in unit of byte outputs an enable signal to external for a mini-slot payload and receives a byte input signal for enabling usage of an arbitrary MAC (Medium Access Control) technique loading arbitrary data in a mini-slot.
    Type: Grant
    Filed: May 10, 2001
    Date of Patent: November 28, 2006
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Chan Kim, Seung-Hwan Kim, Tae-Whan Yoo, Jong-Hyun Lee
  • Video input processor in multi-format video compression system
    Patent number: 7142251
    Abstract: A video input processor is provided to process different input video format, including RGB, RGB Bayer, YUV 4:2:2 interlaced and progressive video data. The video input processor also uses an advanced algorithm to efficiently convert video data in RGB color space to YUV color space. The video input processor further enables multi-functions such as video image scaling, video image filtering before the video data are output for further video compression.
    Type: Grant
    Filed: July 31, 2002
    Date of Patent: November 28, 2006
    Assignee: Micronas USA, Inc.
    Inventors: Li Sha, Shuhua Xiang, Yaojun Luo, He Ouyang
  • Dual antenna diversity transmitter and system with improved power amplifier efficiency
    Patent number: 7142829
    Abstract: Provided is a dual antenna diversity transmitter and system having improved power amplifier efficiency, and further comprising switches in the dual antenna diversity transmitter and system, to minimize a DC input power consumed by the power amplifier depending on the required transmitting output power and operate efficiently the power amplifier, whereby signal linearity can be maintained and the power amplifier can be efficiently operated in a more simplified manner, as compared to the conventional high efficiency power amplifier.
    Type: Grant
    Filed: May 3, 2004
    Date of Patent: November 28, 2006
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Jin Bong Sung, Sung Weon Kang, Chang Hee Hyoung, Jung Hwan Hwang, Yun Tae Kim
  • CD player
    Patent number: D532768
    Type: Grant
    Filed: July 12, 2005
    Date of Patent: November 28, 2006
    Assignee: Coby Electronics Corporation
    Inventor: Johann Lee
  • Digital audio player
    Patent number: D533566
    Type: Grant
    Filed: February 3, 2006
    Date of Patent: December 12, 2006
    Assignee: Coby Electronics Corporation
    Inventor: Johann Lee
  • Razor
    Patent number: D534314
    Type: Grant
    Filed: March 16, 2005
    Date of Patent: December 26, 2006
    Assignee: Dorco Co., Ltd.
    Inventor: Sang Min Lee