Abstract: Disclosed are system and method for measuring a bio-element capable of accurately detecting whether a bio-element such as protein, gene and the like is present in an atmosphere or vapor phase having controlled temperature and humidity thereof and measuring a content of the bio-element. According to an embodiment of the invention, the method comprises steps of preparing a cantilever sensor having a plurality of cantilevers; measuring a basis resonant frequency for the plurality of cantilevers; reacting the cantilevers with a sample including a bio-element; measuring resonant frequencies of the cantilevers after the reaction, in a closed system that is isolated from an exterior environment and temperature and humidity thereof are controlled to a specific state; and calculating variations of the resonant frequencies of the cantilevers before and after the reaction to carry out a quantitative analysis of the bio-element included in the sample.

Abstract: A high speed passband phase modulation apparatus and method are provided. In the phase modulation apparatus, an RF phase shifter modulates a phase of a local signal that is generated in a VCO according to a digital input. The RF phase shifter is controlled by a phase-controlled loop so that a baseband phase shifter is phased locked to a modulation reference signal from the local signal and a reference clock signal according to the digital input. The phase-controlled loop phase-locks using the modulation reference signal so that the phase-modulated signal generated in the RF phase shifter has a phase value according to the digital input.

Abstract: A digital image reproducing apparatus and a digital image forward/reverse searching method, in which the digital image reproducing apparatus includes: a decoder decoding digital video images; and a searching parameter setting unit for setting the searching parameters used to search the digital video images. The decoder decodes an essential frame that must be decoded that is decoded, and waits to receive a next process command from a user. The searching parameter includes at least one of a searching direction, a searching speed, a time code jump value, and the essential frame that must be decoded. The essential frame that must be decoded can be the last frame of the digital video images. Therefore, the frames that are not the key frames can be decoded during the searching process, and the searching process can be performed in a predetermined section, to thereby improve searching efficiency.

Abstract: A power amplifier circuit includes: a transformer receiving a first signal and generating a transformed signal from the first signal; and a transistor receiving a second signal having a direct current (DC) component, and generating an output signal. The second signal and the transformed signal are mixed, via a terminal connected with the transformed signal, wherein an envelope of the output signal is controlled by the first signal.

Abstract: A polar transmitter using a binary phase shift key (BPSK) method includes a data dividing unit which divides input data into an amplitude component and a phase component, a frequency synthesizer which produces an I value of a passband having a phase component of an I signal and a Q value of a passband having a phase component of a Q signal, a polar modulation circuit for the I signal which produces an I carrier wave to the I signal using the amplitude component from the data dividing unit and the I value from the frequency synthesizer, a polar modulation circuit for the Q signal which produces a Q carrier wave to the Q signal using the amplitude component and the Q value, and a carrier wave producing unit which combines the I carrier wave and the Q carrier wave thus to produce a carrier wave.

Abstract: Provided is a polar transmitter which increases a modulation rate using a multi-phase generator and includes: a data processor which processes and separates incoming data to an amplitude component and a phase component; a multi-phase generator which generates a plurality of carriers having a plurality of phase components by processing a carrier having a certain frequency; a selection output part which selects and outputs a carrier having a phase substantially equal to the phase component; and a carrier output part which synthesizes the output carrier with the amplitude component and outputs a carrier. Accordingly, the modulation rate of the carrier can be increased and the bandwidth can be extended with the related art polar transmitter. Therefore, the polar transmitter is applicable to the wideband communications, the multi-mode, and the multi-band.

Abstract: The present invention relates to a method of controlling an air-conditioning apparatus of a hybrid vehicle, the method comprises the first step (S101) of initiating the idle stop in which an engine is halted and a compressor is then operated by an electric motor; the second step (S102) of checking whether a value of cooling load or heating load is above the predetermined reference value or not; the third step for checking a discharge mode of the air-conditioning apparatus (S103) if a value of cooling load or heating load is above the predetermined reference value and controlling the air-conditioning apparatus to convert a mode into an external air mode (S108) if a value of cooling load or heating load is below the predetermined reference value; and the fourth step of controlling the air-conditioning apparatus to convert a mode into an external air mode (S108) if it is checked whether the specific mode in a plurality of discharge modes is selected and controlling the air-conditioning apparatus to convert a mod

Abstract: A high speed passband phase modulation apparatus and method are provided. In the phase modulation apparatus, an RF phase shifter modulates a phase of a local signal that is generated in a VCO according to a digital input. The RF phase shifter is controlled by a phase-controlled loop so that a baseband phase shifter is phased locked to a modulation reference signal from the local signal and a reference clock signal according to the digital input. The phase-controlled loop phase-locks using the modulation reference signal so that the phase-modulated signal generated in the RF phase shifter has a phase value according to the digital input.

Abstract: A car defogging system reduces energy required to defog a windshield glass of the car. A temperature sensor mounted at the windshield glass detects the glass surface temperature, Ts. A humidity sensor spaced from the windshield glass by a predetermined distance detects the humidity, H, around the windshield glass. A temperature sensor mounted inside the windshield glass detects peripheral temperature Te around the glass. A system controller determines if fog is or is not present by comparing the dew point temperature Td with the surface temperature Ts. Dew point temperature Td is derived by the combining values of H and a temperature Tc based on a combination of Ts and Te.

Abstract: A variable capacity air conditioner compressor is controlled by setting a car target indoor temperature; sensing car indoor and outdoor temperatures and solar radiation with sensors at predetermined car positions; calculating a vent target discharge temperature using the target temperature, sensed car temperatures and solar radiation; calculating a target evaporator temperature and blower voltage based on target discharge temperature; calculating a control duty based on the target evaporator temperature; calculating target evaporator temperature and blower voltage change rates; determining whether or not the compressor comes under a sudden variable condition based on the control duty, and target evaporator temperature and blower voltage change rates; and setting a control duty change rate maximum value to an accelerative slew rate greater than and equal to a basic slew rate when sudden and not sudden variable conditions are respectively determined.

Abstract: Disclosed is a method and system for detecting wired network errors in a mobile communication terminal, which performs a selective checksum operation for received data in a UDP (User Datagram Protocol) layer to improve the processing speed of the mobile communication terminal. In the system, it is determined whether to perform the checksum operation in the UDP layer by a UDP checksum setup value that is changed to a first setup value when an IP (Internet Protocol) header checksum error occurs in an IP layer. In this case, the UDP checksum setup value is changed to a second setup value when the UDP checksum operation is performed.

Abstract: The present invention relates to a controlling method of an air conditioning system for vehicles. The method of the present invention includes the steps of: setting up a target indoor temperature of a vehicle determined by a user; inputting the indoor and outdoor temperature of the vehicle and solar radiation with referencing to a sensor mounted on a certain position of the vehicle; calculating a target discharge temperature (T1) of a vent; inputting the maximum evaporator temperature (T2); setting up a target evaporator temperature by comparing the T1 with the T2; calculating the opening degree of a temperature control door; measuring actual evaporator temperature while controlling the discharge capacity of a compressor; calculating an output value of each operation part by using the actual evaporator temperature and the opening degree of the temperature control door determined by the target discharge temperature; and outputting the calculated output value of the operation part.

Abstract: An automotive vehicle defogging system prevents dissipation of energy required to defog the automotive vehicle wind shield. A surface temperature sensor mounted on the wind shield detects the glass surface temperature. A humidity sensor spaced from the wind shield glass by a predetermined distance detects the humidity around the wind shield. A peripheral temperature sensor mounted inside from the wind shield glass detects peripheral temperature around the glass. Dew point temperature is obtained in response to the detected humidity H and a temperature value based on the temperatures detected by the surface and peripheral temperature sensors. The presence of fog is detected by comparing the dew point temperature with the surface temperature Ts.

Abstract: A vehicle air conditioner is controlled to a target control value that controls a swash-plate control value of a swash-plate variable capacity compressor. The variable control is based on temperature deviation between target evaporator temperature and actual evaporator temperature, to control compressor discharge capacity. A target evaporator temperature is set. Deviation between the target evaporator temperature and actual evaporator temperature is calculated. Control coefficients are variably set according to the magnitude of the temperature deviation. A target control value of a pressure control valve of the swash-plate variable capacity compressor is calculated using the control coefficients. The pressure control valve is controlled by the target control value.

Abstract: A vehicle air conditioner is controlled so a target control value of a pressure control valve controlling tilt angle of a swash-plate of a swash-plate type variable capacity compressor is variably controlled according to temperature deviation between target evaporator temperature and actual evaporator temperature, thereby controlling the compressor discharge capacity. Target heat discharge quantity is calculated. High thermal load control or low thermal load control is calculated target heat discharge quantity. The control value (Duty) of the pressure control valve of swash-plate variable capacity compressor is compulsively controlled. Then the control value is normally controlled. The actual evaporator temperature can reach the target evaporator temperature at initial operation stage, and temperature stability is secured.

Abstract: In a cantilever sensor and a fabrication thereof, by forming piezoelectric films on the same surface, it is possible to sense various information by an electric measuring method.

Abstract: The inhibitor of angiogenesis is characterized by containing tetraacetylphytosphingosine and the kit for inhibiting angiogenesis is characterized by the inhibitor. The inhibitor and kit are effective in treating and preventing disorders in connection with extremely increased angiogenesis such as angioma, tumor and psoriasis by effectively inhibiting angiogenesis. Furthermore, they are effective in inhibiting proliferation of cancer cells and metastasis of cancer without any adverse effect.

Abstract: In a cantilever sensor and a fabrication thereof, by forming piezoelectric films on the same surface, it is possible to sense various information by an electric measuring method.

Abstract: The present invention relates to a wiper system for an automobile and more particularly, to an active wiper system which secures a good front visual range by changing the track of the wiper blade of a passenger's side and positioning pertinently the wiper blade in each range of the track, thus preventing rainwater wiped by the wiper blade of a passenger's side from dropping down to the front of a driver's side while driving in the rain.

Abstract: Disclosed is a method for manufacturing white light-emitting diodes (white LEDs) which is capable of manufacturing white LEDs having a superior and uniform quality and a slim structure while simplifying the manufacturing process, thereby reducing the manufacturing costs and time, and achieving a considerable improvement in the yield of those white LEDs. The method involves the steps of mixing a fluorescent dye, adapted to convert blue light into white light, with molding compound powder, thereby preparing a mixture, subjecting the mixture to a desired temperature and a desired pressure, thereby shaping the mixture to have a desired shape, simultaneously transfer-molding the shaped mixture on the blue-light emitting diode chips, thereby forming a molded product, and dicing the molded product into individual white LEDs. Since the method of the present invention eliminates use of a potting process used in conventional methods, it can manufacture white LEDs having a slim structure.