Abstract: Disclosed is a method of removing a photoresist pattern, which includes radiating light onto a substrate having a photoresist pattern formed thereon and implanted with a predetermined dopant so that the temperature of the substrate is increased to be equal to or higher than a temperature able to remove the photoresist pattern, and by which the photoresist pattern formed on the substrate can be almost completely removed using a simple process for radiating light onto the substrate so that the temperature of the substrate is increased to be equal to or higher than a temperature able to the photoresist pattern.

Abstract: Disclosed are an apparatus and a method for recognizing a location of an object using radio frequency Identification (RFID). The method for recognizing a location of an object includes: activating tags located around radio frequency identification (RFID) tags by transmitting power to the RFID tags in a magnetic resonance type; transmitting a call signal for identifying a mobile tag attached to an object; receiving a tag identifier of the mobile tag corresponding to the call signal; receiving location information from fixed tags around the mobile tag; and recognizing the location of the mobile tag using the location information.

Abstract: A semiconductor memory device using system clock with a high frequency can maintain a constant operation margin even in the change of operation environments including voltage level, temperature, and process. The semiconductor memory device includes an output control signal generator configured to be responsive to a read pulse that is activated in response to a read command, to generate an odd number of first output source signals corresponding to a rising edge of a system clock and a even number of second output source signals corresponding to a falling edge of the system clock, and an output enable signal generator configured to generate a first rising enable signal and a falling enable signal on the basis of the first output source signal and generate a second rising enable signal on the basis of the second output source signal, according to column address strobe (CAS) latencies, the first rising enable signal being activated earlier than the second rising enable signal by a half cycle of the system clock.

Abstract: An output enable signal generation circuit of a semiconductor memory includes: a latency signal generation unit configured to generate a latency signal for designating activation timing of a data output enable signal in response to a read signal and a CAS latency signal; and a data output enable signal generation unit configured to control the activation timing and deactivation timing of the data output enable signal in response to the latency signal and a signal generated by shifting the latency signal based on a burst length (BL).

Abstract: Provided is a digital predistortion linearizer applicable to millimeter-wave band point-to-point communications. The digital predistortion linearizer includes a transmission unit and a reception unit. The reception unit receives a first signal including a transmission signal and a distortion signal through a millimeter-wave propagation environment, detects the distortion signal from the first signal, and transmits information on the detected distortion signal with the first signal to the transmission unit. The transmission unit generates a predistortion signal using the information on the distortion signal and the first signal received from the reception unit, couples the generated predistortion signal with the transmission signal, and outputs the coupled signal.

Abstract: Provided is a transceiver using a millimeter-wave (MM-wave). The transceiver determines output power of a transmitting signal according to a receiving signal of a receiving end in the same device so that a possible loss value occurring in the air may be predicted. By doing so, performance of a whole link budget may be enhanced, and the transmitting signal may be rapidly controlled.

Abstract: An apparatus for detecting a temperature using transistors includes a plurality of temperature detecting units that become selectively active according to predetermined temperature intervals; and a detection signal output unit that generates detection signals according to the signals transmitted by the plurality of temperature detecting units, and outputs the detection signals.

Abstract: Disclosed are an apparatus, method, and system for transmitting and receiving high-speed data in point-to-point (P2P) fixed wireless communication. In an apparatus for transmitting high-speed data in P2P fixed wireless communication, an amplitude zero autocorrelation waveform (CAZAC) sequence generator generates and outputs a CAZAC sequence. A frame generator generates a frame in which the CAZAC sequence is arranged as part of a preamble before a payload including actual data. A continuous wave (CW) generator generates and outputs a CW signal. A multiplexer receives the CW signal output by the CW generator, and arranges and outputs the CW signal in a position before a signal output by the frame generator.

Abstract: A system for reducing a radiation field in a wireless power transmission system includes a signal generation unit, a power amplification unit, a signal detection unit, a standing wave ratio (SWR) calculation unit and a control unit. The signal generation unit receives power and generates a signal for wireless power transmission. The power amplification unit amplifies the wireless signal generated by the signal generation unit. The signal detection unit detects a radiation signal generated by the magnetic resonator with respect to output power of the power amplification unit. The SWR calculation unit calculates an SWR using the detected radiation signal. The control unit selects a frequency having a lowest SWR based on the SWR calculated by the SWR calculation unit, and controls the signal generation unit to generate the signal for the wireless power transmission using the selected frequency.

Abstract: Disclosed is an apparatus for measuring sizes of a human body, such as the length of an arm, the size of a waist and the width of a shoulder, in the state that a person does not take off its clothes, using millimeter waves. The apparatus includes a plurality of millimeter-wave transmission/reception units, a rotation unit and a digital signal processing unit. The plurality of millimeter-wave transmission/reception units are arranged in a circular shape around an object to be measured, transmit a millimeter wave to the object to be measured, and receive a signal reflected or scattered by the object to be measured. The rotation unit rotates a circular structure in which the plurality of millimeter-wave transmission/reception units are arranged. The digital signal processing unit analyzes the object to be measured using size and phase information of the signal received by the plurality of millimeter-wave transmission/reception units.

Abstract: Disclosed is an apparatus for wirelessly transmitting and receiving energy and data including: a signal generator generating a first frequency signal for power transmission; a first matching circuit matching input/output impedance upon receiving the first frequency signal generated by the signal generator; an oscillator outputting a second frequency signal, a carrier frequency, by using the first frequency signal, generated by the signal generator, as a reference frequency; a mixer modulating a data signal output from a communication module by using the second frequency signal; a second matching circuit matching input/output impedance upon receiving a modulated signal by using the second frequency signal; a resonator resonating an output signal from the first matching circuit to a reception side apparatus; and a radiator radiating an output signal from the second matching circuit to the reception side apparatus.

Abstract: Disclosed is a method for performing a 3D image reconstruction at a high speed and high resolution, regardless of a measurement distance. Specifically, a weight for image reconstruction is previously set, and a 3D image reconstruction algorithm is performed at a high speed, without reducing a resolution, by a parallel processing for image reconstruction, a computation of a partial region using a database based on a measurement result, and a generation of a variable pulse waveform.

Abstract: Disclosed is an image scanning apparatus in an image processing system, including: a frequency signal generator configured to synthesize at least two single frequency signals; a frequency up converter configured to up-convert and transmit the synthesized single frequency signals; a frequency down converter configured to down-convert and receive frequency signals reflected from an object by the up-converted frequency signals; a frequency sorter configured to sort the down-converted frequency signals so as to correspond to the at least two single frequency signals; a multiple frequency processor configured to generate a transfer function by performing parallel processing on each of the sorted frequency signals; and an image processing unit configured to generate an image of the object by using the transfer function.

Abstract: A slot antenna having stubs is provided, in which a strip transmission line for transmitting a transverse electromagnetic mode (TEM) signal is formed by using a multi-layered substrate, and a plurality of slots are used for the strip transmission line. Thus, an omnidirectional radiation pattern is obtained, and the directivity of the slot antenna is improved.

Abstract: A floor mat including a carpet portion, one or more hook-and-loop fastener portions, an anti-slip portion, and an edge portion is provided. The carpet portion is disposed on a top surface. The one or more hook-and-loop fastener portions are disposed on a bottom surface, each of which being corresponds to a counter fastener portion installed on a floor. The anti-slip portion is disposed on the bottom surface, comprising a plurality of bumps protruding downward from the bottom surface. The edge portion surrounds and secures the top and bottom surface. The bumps are disposed in a predetermined density and pattern. The carpet portion may comprise durable fabric.

Abstract: A method for decoding segmented speech frames includes: generating parameters of a segmented current speech frame by using parameters of a segmented previous speech frame; and decoding a speech frame by using the parameters of the current speech frame, which are generated in the generating of the parameters of the segmented current speech frame.

Abstract: A semiconductor device includes a sensing unit configured to sense whether a value of a programming sensing node is within a predefined range, a fuse connected to the programming sensing node, a programming voltage supplying unit configured to supply a programming voltage to the programming sensing node, and a transferring unit configured to transfer the value of the programming sensing node in response to the sensing result of the sensing unit.

Abstract: Provided are a mixer and a transceiver having the mixer. The mixer includes: an local oscillation (LO) differential signal generator converting an input LO signal into a differential signal; and a mixing unit receiving the LO differential signal as a first input and a first signal having a first frequency as a second input and performing differential amplification on the LO differential signal and the first signal to output a second signal having a second frequency.

Abstract: A clock and data recovery circuit is disclosed. The clock and data recovery circuit in accordance with an embodiment of the present invention uses a hybrid phase detector that is constituted by including a linear phase detector and a binary phase detector. Since the clock and data recovery circuit basically is constituted with the linear phase detector, a charge pump, a loop filter, a voltage controlled oscillator and a D flip flop to recover clock and data, a phase detector gain is irrelevant to the jitter of received data and recovered clock, and it is possible to make a fine adjustment of the size of up/down currents of the charge pump using the binary phase detector and a charge pump controller, thereby compensating a phase offset between the received data and the recovered clock.

Abstract: A semiconductor memory device includes: a first strobe signal generation unit configured to generate a first rising strobe signal in response to a rising DLL clock signal; a second strobe signal generation unit configured to generate a second rising strobe signal in response to a falling DLL clock signal, the second rising strobe signal having an opposite phase to the first rising strobe signal and being activated at the same timing as the first rising strobe signal; a third strobe signal generation unit configured to generate a first falling strobe signal in response to the falling DLL clock signal; and a fourth strobe signal generation unit configured to generate a second falling strobe signal in response to the rising DLL clock signal, the second falling strobe signal having an opposite phase to the first falling strobe signal and being activated at the same timing as the first falling strobe signal.