baber/WOPTO huggingface dataset:
Patent KR-20020040041-A (KR)
Title: Discharge assembly for rotary compressor
Inventor: LEE JAE YEOL
IPC: F04B39/00
Filed: 2000-11-23
Abstract: PURPOSE: A discharge valve assembly of hermetic type rotary compressor is provided to minimize knocking between a discharge valve and a retainer. CONSTITUTION: An assembly comprises a discharge valve(11); a retainer(12); and a valve spring(13). The discharge valve is fixed on an outside surface of a cylinder(5) to open and close a discharge hole(6a) of the cylinder. The retainer is fixed to be placed on a back of the discharge valve to limit opening of the discharge valve. The valve spring is fixed to be interposed between the discharge valve and the retainer to buff opening of the discharge valve. The valve spring is formed to stop while keeping fixed gap with the back of the discharge valve. The strength of the valve spring is 20-70% of the discharge valve.
Patent KR-20020042973-A (KR)
Title: Multi-purposed stator
Inventor: HWANGBO SEUNG MYEON
IPC: B63H3/00
Filed: 2000-12-01
Abstract: PURPOSE: A multifunctional stator for a ship is provided to improve propulsion efficiency by increasing flow rate to the upper part of a propeller, and to minimize cavitation by forming the asymmetrical angle between blades of the stator. CONSTITUTION: A stator is installed in the front or the rear part of a propeller(2) for a ship, and plural blades are mounted in the stator. The asymmetrical angle between blades of the stator is formed, and the discontinuous angle is formed partially in the upper blade around vortex. The tilt direction of the inner part is formed to be different from the tilt direction of the outer part with the reference point of the discontinuous angle. Inner blades(4) having the discontinuous angle are inclined to form opposed flow against rotation of the propeller, and outer blades(5) are inclined with facing each other to accelerate flow. Propulsion efficiency is improved with deciding the position of the discontinuous angle of the blade around vortex. Vibration and noise are reduced with minimizing cavitation by increasing flow rate to the propeller.
Patent KR-20010062114-A (KR)
Inventor: BIRANG MANOOCHER
IPC: B24B37/04
Filed: 2000-12-04
Abstract: PURPOSE: To maintain high speed stability between wafers, prolong the effective life of a fixed abrasive product such as an abrasive sheet or an abrasive pad and provide a method for regulating a preparatory state of the fixed abrasive element for CMP-polishing of metal such as Cu, Cu-alloy especially at a high eliminating speed. CONSTITUTION: When the thermal preparatory state regulation is applied to a fixed abrasive product, a CMP eliminating speed of the fixed abrasive product is increased and uniformity in each wafer is improved. For increasing and stabilizing the eliminating speed of Cu or Cu alloy by CMP, heating to about 90-100deg.C is carried out by means of hot water so as to regulate the preparatory state of the fixed abrasive product.
Patent KR-20020045369-A (KR)
Title: Semiconductor device manufacturing apparatus having convayer belt
Inventor: KIM JEON JUNG
IPC: H01L21/304
Filed: 2000-12-08
Abstract: PURPOSE: An apparatus for fabricating a semiconductor device with a conveyer belt is provided to remove particles from a substrate and reduce a cleaning period of a muffle by cleaning effectively a conveyer belt. CONSTITUTION: An APCVD(Atmosphere Pressure Chemical Vapor Deposition) apparatus is formed with a muffle(10), a process stage(20), and a conveyer belt(40). The process stage(20) includes an injector(22). The injector(22) is used for supplying a gas from a gas supply system(50) to a substrate(30). The conveyer belt(40) is used for transferring the substrate(30). An APCVD chamber region(28) is formed by the process stage(20). A plurality of curtain(24) is installed within the muffle(10) in order to surround both sides of the injector(22). A region of the process stage(20) is divided by the curtain(24). A cleaning station(100) is used for cleaning the conveyer belt(40). A rinse station(200) is used for rinsing the conveyer belt(40). A dry station(300) is used for drying the conveyer belt(40).
Patent KR-20010062361-A (KR)
Inventor: MATSUMOTO MORIHIRO
IPC: B32B37/24
Filed: 2000-12-13
Abstract: PURPOSE: To provide a method for making an insulated panel by filling heat insulating material between outer metal sheets such that the heat insulating material of uniform quality is formed and occurrence of bulge of an insulated panel after a forming process of the heat insulating material is prevented. CONSTITUTION: A bent molded part 7 is formed respectively on the ends of both sides of metal hoop materials 5, 6 when a pair of the metal hoop materials 5, 6 is being conveyed. While the bent molded parts 7 on the both sides of each metal hoop materials are opposed each other, a plate-like insulation core material 3a composed of plastic foam is inserted and fixed in the area between the metal hoop materials 5, 6 excluding the area between the faced bent molded parts 7. Plastic foam mix is injected between the faced bent molded parts 7 and submitted to a pyrognostics for foaming so as to form a foam molding 3b, which is further integrated with the insulation core material 3a. An engaging part 4 which consists of the bent molded part 7 and the foam molding 3b is respectively formed on the above both ends.
Patent KR-20020047724-A (KR)
Title: Ultrasonic Temperature Sensor to Measure Very High Temperature in Ultra-High Temperature using High Resolution Signal Processing Technique and Its Equipment
Inventor: HA GWANG SUN
IPC: G01K11/22
Filed: 2000-12-14
Abstract: PURPOSE: An ultrasonic temperature sensor and apparatus is provided to achieve improved quality and optimized real time monitoring, while allowing the ultra high temperature of inner surface of an object to be measured in an accurate manner. CONSTITUTION: An ultrasonic temperature sensor comprises a sensing element(20), an electron signal processing terminal(40) and a temperature measuring terminal. The sensing element is coupled to a magnetostrictive element(42) of the electron signal processing terminal through an electron welding. The electron signal processing terminal is electrically coupled to an ultrasonic detector of the temperature measuring terminal, by converting the echo wave echoed from the sensing element into an electrical signal by using start/stop signals of each element. The sensing element includes a rod(21) made of a tungsten alloy material, and a sheath(22) housing the rod. The electron signal processing terminal has a probe(41) wound with a coil, and the magnetostrictive element, wherein the probe and the magnetostrictive element are arranged to be symmetrical with each other and covered by a case(43).
Patent KR-20020046654-A (KR)
Title: Support Structure of Automobile Bumper
Inventor: KWON O SEONG
IPC: B60R19/24
Filed: 2000-12-15
Abstract: PURPOSE: A structure for supporting a bumper of a vehicle is provided to prevent a deformation of a front fender by supporting an end portion of the bumper by a supporting bracket when the bumper is deformed by an impact. CONSTITUTION: A supporting bracket(10) is installed between a flange portion(3) and an inner panel(5), so that an end of the vehicle bumper(1) and the flange portion(3) of a front fender(2) is supported at the inner panel(5). The supporting bracket(10) is coupled together with the vehicle bumper(1) and the front fender(2), and a flange portion(12) for coupling the front fender(2) and the inner panel(5) is formed at both sides of the supporting bracket(10). The front fender(2) and the supporting bracket(10) are coupled by overlapping each flange portions(3,12) each other and coupling using a bolt(4). The inner panel(5) and the supporting bracket(10) are coupled by welding the flange portion(12) to a side of the inner panel(5).
Patent KR-20020048546-A (KR)
Title: Light emitting device using GaN series III-V group nitride semiconductor material and method for manufacturing the same
Inventor: KWAK JUN SEOP
IPC: H01L33/12
Filed: 2000-12-18
Abstract: PURPOSE: A GaN semiconductor LED(Light Emission Diode) is provided to improve manufacturing processes and a manufacturing time by performing only one wire bonding in packaging step due to a structure of the LED. CONSTITUTION: A GaN semiconductor LED comprises an active layer(56) for emitting light, a first and a second electrodes(50,64) fronting each other using the active layer(56) as a center portion, a first compound semiconductor layer(54) located between the active layer(56) and the first electrode(50), a second compound semiconductor layer(58) located between the active layer(56) and the second electrode(64) for fronting with the first compound semiconductor layer(54) using the active layer(56) as a center portion, and a high resistible substrate(60) for contacting the first compound semiconductor layer(54) with the first electrode(50). At this point, the fronting structure of the first and second electrodes(50,64) makes a manufacturing process simple and a manufacturing time reduced due to one wire bonding.
Patent KR-20020054867-A (KR)
Title: Method for Fabricating of Semiconductor Device
Inventor: PARK CHEOL JUN
IPC: H01L21/28
Filed: 2000-12-28
Abstract: PURPOSE: A method for fabricating a semiconductor device is provided to improve an electrical characteristic by eliminating a void inside a plug, and to increase yield by preventing a phenomenon that the plug is not formed. CONSTITUTION: A lower metal layer(22) is formed in a predetermined region of a semiconductor substrate(21). An interlayer dielectric(23) is formed on the lower metal layer. The interlayer dielectric is selectively removed to expose a predetermined portion of the lower metal layer so that a contact hole is formed. A photoresist layer is applied on the semiconductor substrate and is selectively patterned. The side surface of the upper portion of the contact hole is removed to increase the area of the upper portion of the contact hole by using the patterned photoresist layer. The photoresist layer is eliminated and an adhesion layer(26) is deposited on the semiconductor substrate. The contact hole is filled with a conductive material to form a plug.
Patent KR-20010109462-A (KR)
Title: 전자부품
IPC: H01G4/38
Filed: 2000-12-28
Abstract: 적어도 유전율이 충분히 높거나 또는 충분히 낮은 복합 수지기판, 자기투자율이 충분히 높은 복합 수지기판, 및 Q값이 충분히 높은 복합 수지기판층을 복수층 사용함으로써 소형 고성능의 종합적으로 전기적 특성이 우수한 적층전자부품을 제공한다. 
     적층전자부품은 복합재로 형성되어 있는 적어도 2종 이상의 구성층 및 상기 복합재중 적어도 1층에 형성되어 있는 도전체층을 포함하며, 상기 도전체층은 소정의 전기회로를 구성한다.
Patent KR-20010022396-A (KR)
Title: 정보 처리 장치, 정보 처리 시스템, 정보 처리 방법 및제공 매체
IPC: G06F13/14
Filed: 1999-05-28
Abstract: 전자기기에 닉네임이나 메모 등의 사용자 정보를 간단하게 설정할 수 있도록 하기 위해, 버스를 통하여 상호 접속되어 있는 다른 장치로부터 소정의 프로토콜에 따른 커맨드로 판독할 수 있는 디스크립터의 일부를 사용하여, 소정의 조작 또는 지령에 근거하여 입력된 장치에 관한 텍스트 데이터 또는 도형 데이터를 기록시키도록 하며, 그 장치에 관한 표시를 행할 때는, 그 디스크립터에 기록된 텍스트 데이터 또는 도형 데이터에 의한 닉네임이나 메모 등을 표시시키도록 했다.
Patent KR-20010023504-A (KR)
IPC: H01L29/66
Filed: 1998-08-26
Abstract: 적어도 하나의 단일 전자 트랜지스터가 단일 전자 소자를 가지며 제 1메인 노드와 제 2메인 노드 사이에 접속된 회로 배치에 제공된다.  제 1메인 노드는 제 1 동작 전압 접속부와 제 2 동작 전압 접속부 사이에 용량적으로 접속된다.  단일 전자 트랜지스터의 게이트 전극이 제어 전압 접속부에 접속된다.  회로 배치는 디지트가 상기 제 1 및 제 2메인 노드에 저장되는 바이너리 숫자 상의 논리 동작에 적합하다.
Patent KR-20010015613-A (KR)
Title: 시간 신호 송신 방법 및 장치
IPC: G01S5/14
Filed: 1998-09-17
Abstract: 본 발명은 세계 어느 지역에서도 수신될 수 있는 시간 신호의 송신 방법 및 장치에 관한 것으로, 적절한 수신기(8)를 갖는 시간 신호는 시계(9)를 현지 시간으로 자동으로 설정하는데 사용된다.  이를 위해, 본 발명은 지구의 전체 표면이 시간이 경과한 후에 오버플로되는 동안 큰 경사를 갖는 궤도로 저공 주행하는 우주 스테이션 또는 위성(3)의 보드상에 시간 신호 송신기(6)를 사용한다.  낮은 위도로 인해, 송신 전력이 낮은 경우에도 손목시계에 의한 수신도 가능하도록 충분히 큰 세기의 수신 자계가 지면상에서 발생될 수 있다.  수신 전력은 실제 시간 뿐만 아니라 순간 위치와 관련된 부가적인 데이터도 송신한다.  주행 방향 및 이후의 무선 접촉도 얻어질 수 있다.  더 복잡한 계산 없이도 지표면은 수신 시계(9)가 송신된 데이터로부터 현지 시간을 결정하는 것을 가능하게 하는 번호가 매겨진 구역(17)으로 분할된다.
Patent KR-20010032091-A (KR)
IPC: C23C16/50
Filed: 1998-11-13
Abstract: 플라즈마 처리시스템 및 반도체 웨이퍼와 같은 기판을 처리하기 위하여 더 청정하고 보다 제어된 환경을 발생하기 위한 방법.  플라즈마 처리실은 내부 및 외부장벽을 포함하는 처리실, 처리실의 내부장벽에 열적으로 결합된 가열 엘리먼트 및 정전기 차폐를 포함한다.  처리실은 또한 처리실 내부의 가스에 RF파워를 결합하기 위하여 처리실을 둘러싸는 유도성코일을 포함함으로써, 플라즈마를 발생한다.  RF파워는 또한 가열 또는 냉각될 수 있는 정전기척과 같은 웨이퍼홀더에 인가될 수 있다.  플라즈마 처리시스템과 같은 청정방법은 바이어스차폐에 바이어스전압을 인가하고, 가열기 엘리먼트를 사용하여 처리실을 가열하고, 가장 큰 면에서 시작하여 가장 작은 면으로 진행하는 내부면의 청정을 포함한다.
Patent KR-20010033021-A (KR)
IPC: C01B31/06
Filed: 1998-12-10
Abstract: The invention provides a mass of crystals, particularly diamond crystals, having a size of less than 100 microns and in which mass the majority of the crystals are faceted single crystals. The invention further provides a method of producing such a mass of crystals which utilizes crystal growth under elevated temperature and pressure conditions, the supersaturation driving force necessary for crystal growth being dependent, at least in part, on the difference in surface free energy between low Miller index surfaces and high Miller index surfaces of the crystals. Preferably, the method is carried out under conditions where the Wulff effect dominates.
Patent KR-20010052135-A (KR)
Title: 접촉 감지 사용자 인터페이스를 갖는 무선 전화 및 그동작 방법
IPC: G06K11/06
Filed: 1998-12-18
Abstract: 무선 전화는 하우징 및 무선 전화 통신 송수신기 및 하우징에 부착되는 디스플레이를 포함한다. 저항성 변환기, 용량성 변환기 또는 반도전성 변환기와 같은 접촉 감지 변환기가 하우징에 부착되어 접촉 감지 변환기의 접촉 감지 표면과의 접촉을 나타내는 출력 신호를 생성한다. 제어기는 출력 신호에 응답하고, 디스플레이 및 무선 전화 통신 송수신기와 효율적으로 결합되어 접촉 감지 변환기의 출력 신호에 따라서 디스플레이 및 무선 전화 통신 송수신기 중 적어도 하나를 제어한다. 제어기는 접촉 감지 변환기에 응답하여 접촉 감지 변환기의 축을 따라서 접촉의 위치를 결정할 수 있다. 그래픽 객체는 결정된 접촉의 위치에 기초하여 선택적으로 디스플레이되고, 그것에 의해, 예컨대, 복수의 디스플레이되는 그래픽 객체 중 하나를 강조하고, 복수의 디스플레이되는 그래픽 객체 중 하나를 나타내는 커서를 디스플레이함으로써 그래픽 객체를 식별한다. 또 다른 실시예에서는, 제어기는 디스플레이 또는 무선 전화 통신 송수신기가 복수의 동작을 실행하도록 구성된다. 복수의 동작 중 하나의 동작은 식별된 그래픽 객체와 관련될 수 있고, 제어기는 예컨대, 접촉 감지 변환기와 객체의 순간 접촉의 검출에 응답하여 식별된 그래픽 객체와 관련된 동작을 개시할 수 있다.
Patent KR-20010034580-A (KR)
Title: 휴대 화기(火器)에 대한 안전 장치
IPC: G07C9/00
Filed: 1999-02-19
Abstract: 본 발명은 적어도 하나의 손가락에 의하여 화기 사용자를 결정하는 적어도 하나의 센서를 갖는 휴대 화기에 대한 안전 장치에 관한 것이다. 
     즉, 센서를 사용하여 기억장치에 저장된 정당한 사용자의 지문과 화기의 손잡이를 잡고 있는 화기 사용자가 동일한지 여부를 비교하여, 다르다면 화기의 방아쇠 및/또는 탄창 걸림쇠를 차단하는 휴대 화기에 대한 안전장치에 관한 것이다. 또한 위성 항법 시스템과 화기의 무선 신호 발생기를 접속하여 화기의 위치를 확인하고, 분실 또는 도난시에 화기를 되찾는 것이 가능하다.
Patent KR-20010043790-A (KR)
IPC: H04L29/06
Filed: 1999-06-10
Abstract: An offload system, method, and computer program product are provided. Included is a host with a processor and memory for receiving data from a network. In addition, a network interface is utilized for transferring the data to the memory via direct memory access (DMA).
Patent KR-20010070396-A (KR)
Title: Manufacturing method of color filter and liquid crystal display using the color filter
Inventor: ISHII AKIRA
IPC: G09F9/00
Filed: 2001-01-03
Abstract: PURPOSE: To obtain a color filter with a uniform color tone and excellent surface flatness and a liquid crystal display device with a colored resist method or a dyeing method using an inkjet system. CONSTITUTION: A black matrix BM to divide a pixel region of a substrate SUB2 is formed. Subsequently by forming a photosetting dyeing substrate layer DP, by irradiating the substrate with ultraviolet rays from the rear side and by developing it, an ink reservoir is formed, of which the BM constitutes a partition wall and a dyeing material such as a dyestuff is supplied to the ink reservoir with the inkjet system. As the partition wall prevents the dyeing material from being scattered into the adjacent or neighboring pixel regions and from bringing about color mixing and a filter with sufficient thickness is formed at the ink reservoir, the surface flatness of the color filter is sufficiently ensured without thickly coating an overcoat layer.
Patent KR-20020059502-A (KR)
Title: Digital Mellody Pad
Inventor: KIM SANG HEUN
IPC: G10H7/00
Filed: 2001-01-08
Abstract: PURPOSE: A pad type digital melody keyboard using a computer is provided to use synthetic resins or other materials, to operate functions of a digital musical instrument and information using a microprocessor, programs, the computer and related peripheral equipment for a musical performance. CONSTITUTION: A display unit displays a function button, functions and operation information, wherein the function button includes buttons for selecting various functions and effect sounds in performing a digital musical instrument. An interface provides an interface between equipment and a system. A controller controls a display operation through the interface. A storage unit stores data to be displayed on the display unit, and a storage unit stores prior data previously displayed on the display unit. A program unit controls the units using data and programs inputted in a computer. And a keyboard is connected to the program unit in wired and wireless for driving, and has a built-in microprocessor.
Patent KR-20020060836-A (KR)
Title: Method and apparatus for detecting motion using region-wise motion decision information in video signal processing system and data interpolating method and apparatus therefor
Inventor: KIM SIN HAENG
IPC: H04N7/01
Filed: 2001-01-12
Abstract: PURPOSE: A device and a method for detecting motion using motion deciding information by areas in a video signal processing system, and a device and a method for interpolating data using the same, are provided to compare field video data before and after 1-frame to detect the motion deciding information, and to consider corresponding motion deciding information of adjacent area before 1-field, so as to finally generate motion detection information. CONSTITUTION: A motion deciding part operates a difference between inputted video data and video data at a same position before 1-frame, and compares an operated difference value with a threshold to generate motion deciding data to decide motion. A delayer(50B) delays and outputs the motion deciding data for a predetermined time. An OR operator(509) performs OR operation for the motion deciding data outputted from the motion deciding part and the delayed motion deciding data outputted from the delayer. And a spatial LPF(Low Pass Filter)-2(510) performs a spatial low pass filtering operation for the data outputted from the OR operator by a predetermined LPF coefficient, to generate final motion detection data.
Patent KR-20010078763-A (KR)
Title: Multi-purpose Electric cleaner system for vehicle
Inventor: KIM JONG HAE
IPC: B60S1/64
Filed: 2001-01-15
Abstract: PURPOSE: A multi-purpose electric cleaner system for a vehicle is provided to selectively use as a vacuum cleaner or a blower removing dust by using an adapter removably attached to a control box, and to use an air purifier and a heating unit. CONSTITUTION: A multi purpose electric cleaner system comprises a switch unit(1) controlling functions; a blowing unit(3) including a DC electric motor and a blower; a vent unit(5) discharging wind; a central process device(2) controlling each units according to control of the switch unit; a control box forming the central process unit; a dust absorber removably having a dust remove unit(7) by being attached to the control box in using as a vacuum cleaner; a blower attached to the control box while using as the blower; and an air purifying unit having an air purifying filter by being mounted on the control box in using as the air purifier. The multi purpose electric cleaner system is used as the blast for removing the dust, the air purifier and heating device by attaching the absorber, blower and the air purifier on the control box.
Patent KR-20010082064-A (KR)
Inventor: MORI SHINICHI
IPC: B60C15/00
Filed: 2001-02-08
Abstract: PURPOSE: To improve a rim assembling workability while keeping excellent rim coming-off resistance. CONSTITUTION: A ratio dw/D of an inside diameter dw of a bead core 5 to a heel diameter D of a rim R is brought within a range of 1.009 < dw/D < 1.022, and a ratio dt/D of a heel diameter dt of a bead part 3 to the diameter D of the rim R is set within a range of 0.980 < dt/D < 0.996.
Patent KR-20020068748-A (KR)
Title: Apparatus for protecting abrasion of linear actuator
Inventor: CHOI SE HEON
IPC: F15B15/14
Filed: 2001-02-22
Abstract: PURPOSE: A wear-preventing device of a linear actuator is provided to decrease friction loss and friction noise between a cylinder and a piston and to decrease wear of the piston to a minimum. CONSTITUTION: A wear-preventing device of a linear actuator comprises a linear motor(2), a driving shaft(3), a piston(4), and a sleeve. The linear motor produces driving force with installed to the inside of a casing(1) equipped with a cylinder(C). The driving shaft rectilinearly reciprocates with coupled to an operator of the linear motor and simultaneously coupled to plural elastic members. The piston sucks fluid and compresses while rectilinearly reciprocating with inserted to the inside of the cylinder. The sleeve has rolling contact with the inner periphery of the cylinder to perform automatic adjusting action depending on the movement of the piston, with inserted between the inner periphery of the cylinder and the outer periphery of the piston. Therefore, a collision between the piston and sleeve is prevented and wear is controlled, and the friction loss and friction noise are reduced.
Patent KR-20020069645-A (KR)
Title: Musical playing device
Inventor: HONG SEUNG GWON
IPC: G09B15/00
Filed: 2001-02-27
Abstract: PURPOSE: A system for playing and learning music based on the web is provided to make a user select a desired musical note through a web server, to output the differences between two musical notes after comparing in real time, and to make the user listen to edited music via an audio in real time. CONSTITUTION: The system includes an input unit(1), a transmission unit(2), a central processing unit(3), and an output unit(4). The input unit comprises a sound input unit(1a) to filter and process sounds, a touch screen input unit(1b) to directly input sound via a display unit, an expansion key(1c) consisting of a keyboard and a mouse, and a network input unit(1d) to download the material embedded in a server and to transmit a musical note sharing message transmission. The transmission unit transmits the analog signal inputted through the input unit to the central processing unit via a wire or wirelessly. The central processing unit converts the analog signal to a digital signal, checks the play state in real time, compares the played music to a musical note, and transmits the information on comparison to the output unit. The output unit comprises a display output unit(4a) and a sound output unit(4b).
Patent KR-20020069949-A (KR)
Title: Power amplitude method and apparatus of transmitter in mobile communication system
Inventor: KIM JAE HO
IPC: H04B1/40
Filed: 2001-02-28
Abstract: PURPOSE: An apparatus and method for amplifying a power in a transmitter of a mobile communication system is provided to reduce the entire consumption current of a terminal and improve the total call time by dualizing a path when it is necessary for the terminal to output a high power and it is unnecessary for the terminal to output the high power. CONSTITUTION: A power level detecting unit(225) detects a power level of an amplified transmission signal. The first power amplifying unit including the first amplifier(210) and the first isolator(211) amplifies the power of the transmission signal in case that the power level of the transmission signal is more than a reference level. The second power amplifying unit including the second amplifier(215) and the second isolator(216) amplifies the power of the transmission signal in case that the power level of the transmission signal is less than the reference level. A switch unit(209) outputs the transmission signal to the first or second power amplifying unit according to the detected power level. A combining unit(230) outputs the signals inputted from the first power amplifying unit and the second power amplifying unit to a duplexer(213) without mutual interference.