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| Number | Title | Issue Date |
| 7848218 | Virtual multi-antenna method for OFDM system and OFDM-based cellular system Provided are a virtual multi-antenna method for an orthogonal frequency division multiplexing (OFDM) system and an OFDM-based cellular system. The virtual multi-antenna method includes grouping sub-carriers in a frequency domain of an OFDM symbol and generating at l... | 12/07/2010 |
| D628514 | Cam buckle | 12/07/2010 |
| RE42098 | Adaptive transmission and receiving method and device in wireless communication system with multiple antennas Disclosed is an adaptive transmit and receive method and device in a multiple-antenna wireless communication system. A transmit mode comprises different main transmit modes each of which includes one or both of a sub-transmit mode based on STBC and a sub-transmit mo... | 02/01/2011 |
| 7860478 | Poly-phase filter Provided is a poly-phase filter capable of removing an image frequency of a terrestrial digital multimedia broadcasting (T-DMB) receiver in a low intermediate frequency (IF) structure applied to a mobile communication terminal and a receiver having the poly-phase fi... | 12/28/2010 |
| 7859836 | Laptop table Disclosed herein is a laptop table including a laptop station, on which a laptop computer is disposed. The laptop station has a connection port set and a power supply unit integrally mounted therein. The connection port set and the power supply unit of the laptop st... | 12/28/2010 |
| 7859266 | Method of detecting soil structure using voltage slope and measuring earth resistance A method of accurately measuring earth resistance even when the composition state of soil that affects the installation of a metering device for measuring earth resistance is unknown. The method comprises measuring a potential at a first potential electrode point, m... | 12/28/2010 |
| 7844219 | Apparatus and method of on-channel repeater Provided are an on-channel repeater and a method thereof. The on-channel repeater can extract reception channel information from signals transmitted from a main transmitter or another repeater, compensate for channel distortion caused on a transmission channel by in... | 11/30/2010 |
| 7843973 | Method and apparatus for constituting transport network based on integrated synch and asynch frame Provided is a method for forming a customized-quality integrated transport network based on synch and asynch frames, and a transport network forming apparatus thereof. The method of the present invention includes: a) synchronizing a transmission bit rate in a networ... | 11/30/2010 |
| 7842606 | Method of depositing thin film and method of manufacturing semiconductor using the same Disclosed herein are a method of depositing a thin film and a method of manufacturing a semiconductor using the same, having high selectivity by increasing etching resistance while an extinction coefficient associated with anti-reflectivity is maintained low. The me... | 11/30/2010 |
| D628077 | Cosmetic case | 11/30/2010 |
| 7831003 | Apparatus and method for phase recovery using independently decodable component codes of channel code in wireless communication system An apparatus and method for phase recovery in a wireless communication system employs independently decodable component codes. The apparatus includes a decoding unit for decoding the input signal to thereby output the decoding value; an estimation unit for estimatin... | 11/09/2010 |
| 7830528 | 3D image measuring apparatus and method thereof A three dimensional (3D) measuring apparatus and method are provided. The 3D image measuring apparatus includes a stage, a projection portion, and an imaging portion. The projection portion includes first and second lights, first and second lattices, and first and s... | 11/09/2010 |
| 7827243 | Method for transmitting file based on multiplex forwarder Provided is a method for transmitting a file based on a multiplex forwarder using a session join time interval. The method includes the steps of: a) transmitting a session join request message to a source and joining to a corresponding session; b) when a member join... | 11/02/2010 |
| 7822007 | Transmitter in FDMA communication system and method for configuring pilot channel The present invention relates to a transmitter in a frequency division multiple access communication system. The transmitter generates a plurality of pilot symbols, and groups the plurality of pilot symbols into a plurality of groups according to a location of a sub... | 10/26/2010 |
| D626111 | MP4 player | 10/26/2010 |
| 7817714 | Integrating receiver having adaptive feedback equalizer function to simultaneously remove inter-symbol interference and high frequency noises and system having the same Provided is an integrating receiver having an adaptive decision feedback equalizer function and a system having the same. The integrating receiver can simultaneously remove an inter-symbol interference (ISI) and high frequency noises in a high speed DRAM data transm... | 10/19/2010 |
| 7804367 | Frequency synthesizer and frequency calibration method A frequency synthesizer capable of using a voltage controlled oscillator (VCO) with a low value of gain Kvco, having a short automatic frequency calibration time and automatically coping with environments and a frequency calibration method are provided. T... | 09/28/2010 |
| 7791543 | Antenna for radio frequency identification tag An antenna for an RFID tag having an RFID tag chip includes a dielectric material, a radiating patch radiating a signal from the RFID tag chip, and a feed line supplying power to the RIFD tag chip through magnetic-coupling with the radiating patch. Accordingly, a sm... | 09/07/2010 |
| 7773500 | Transmitting apparatus for transmitting in a multi-carrier system using multiple antennas and receiving apparatus in the same system A transmitting apparatus and receiving apparatus of a multi-carrier system using multiple antennas is proposed. A linear complex field (LCF) encoder performs linear precoding of input signals to be transmitted using a linear complex matrix based on the number of ant... | 08/10/2010 |
| 7773042 | Conical scanning antenna system using nutation method Provided is a conical scanning antenna system using a nutation method. The conical scanning antenna system includes: a main reflecting unit; a sub-reflecting unit which is disposed apart from the main reflecting unit by a predetermined distance and performing a coni... | 08/10/2010 |
| D619498 | Belt strap adjuster | 07/13/2010 |
| D619497 | Y-type strap adjuster | 07/13/2010 |
| D619496 | Female receptacle of Y-buckle | 07/13/2010 |
| 7751657 | Inclinometer system Disclosed is an inclinometer system capable of detecting the inclination of the ground using a fiber bragg grating sensor to precisely measure the deformation of the ground. The inclinometer system includes at least one measuring unit, and the measuring unit include... | 07/06/2010 |
| 7746968 | Beam combining and hybrid beam selection method for improving digital broadcasting reception performance, and digital broadcasting receiving apparatus using the same Provided are a beam combining and hybrid beam selection method that can improve digital broadcasting reception performance by combining more than two beam output signals (beam combination type) instead of simply selecting one of beam output signals (beam selection t... | 06/29/2010 |
| 7746151 | Variable gain mixer The mixer includes mixers constructed with variable gain amplifiers having two transistor pairs Qp+/Qp− and Qn+/Qn− to have a predetermined gain by using LO+ and LO− signals; and LO bias circuits connected to have bias voltages different from each other with r... | 06/29/2010 |
| D618590 | Male latch of magnetic buckle | 06/29/2010 |
| D618588 | Male latch of Y-buckle | 06/29/2010 |
| 7733400 | Optical image receiving device having wide dynamic range Provided is an optical image receiving device having a high and rapid sensitivity and a wide dynamic range manufacture in a CMOS process. The image receiving device includes a capacitor transistor for a special purpose in addition to a general structure of three tra... | 06/08/2010 |
| 7733273 | Radio frequency identification tag antenna for attaching to metal An antenna includes a polyhedral dielectric material, a feed loop, a polygonal radiating patch, and shorting plates. The feed loop is electrically connected with a radio frequency identification (RFID) tag chip for supplying power to the RFID tag chip. The polygonal... | 06/08/2010 |
| 7732300 | Method of bonding aluminum electrodes of two semiconductor substrates A method of bonding aluminum (Al) electrodes formed on two semiconductor substrates at a low temperature that does not affect circuits formed on the two semiconductor substrates is provided. The method includes: (a) forming aluminum (Al) electrodes on the two semico... | 06/08/2010 |
| 7730754 | Apparatus and method for manufacturing spiral duct Provided are an apparatus and method for manufacturing a spiral duct in which straight connection parts are integrally formed with both ends of a curved duct. Further provided are an apparatus and method for manufacturing a spiral duct capable of improving cutting q... | 06/08/2010 |
| 7728763 | High resolution ranging apparatus and method using UWB Provided is a high resolution distance ranging apparatus using an ultra-wideband (UWB) communication. The apparatus includes: a first spectrum analyzer for extracting a frequency component corresponding to multipath time delay from a reception signal; a second spect... | 06/01/2010 |
| 7722655 | Alopecia healing apparatus using laser and LED Disclosed is an alopecia healing apparatus. The alopecia healing apparatus has a case provided at a first end thereof with a handle section, and a second end thereof with a massage section having a plurality of massage protrusions, a light radiating section includin... | 05/25/2010 |
| 7714403 | Image sensor using back-illuminated photodiode and method of manufacturing the same An image sensor using a back-illuminated photodiode and a manufacturing method thereof are provided. According to the present invention, since a surface of the back-illuminated photodiode can be stably treated, the back-illuminated photodiode can be formed to have a... | 05/11/2010 |
| 7711553 | Methods and apparatus for blind separation of multichannel convolutive mixtures in the frequency domain A method and apparatus performing blind source separation using frequency-domain normalized multichannel blind deconvolution. Multichannel mixed signals are frames of N samples including r consecutive blocks of M samples. The frames are separated using separating fi... | 05/04/2010 |
| 7668413 | Apparatus and method for measuring convergence using fiber Bragg grating sensor Disclosed is an apparatus for measuring convergence using a fiber Bragg grating sensor measuring slight deformation, capable of measuring the convergence such as the inclination or the gravitational acceleration of a measurement target including a bridge or a tunnel... | 02/23/2010 |
| 7668011 | Serial flash memory device and precharging method thereof Provided herein is a serial flash memory device and precharging method thereof in which a single local bit-line data is sensed in synchronization with a clock. The method includes precharging two or more local bit-lines in synchronization with a first clock; and dis... | 02/23/2010 |
| 7663824 | Voice coil module The present invention relates to a voice coil module (VCM), and more particularly, to a VCM used for lens fixation and displacement measurement in order to prevent and control power consumption. Accordingly, in the VCM, power is not additionally consumed in order to... | 02/16/2010 |
| 7663402 | High voltage stress test circuit A high voltage stress test circuit includes an internal data generation unit for generating internal data and inverted internal data, and a level shifter for receiving the internal data and the inverted internal data and for generating digital data and inverted digi... | 02/16/2010 |
