baber/WOPTO huggingface dataset:
Patent KR-20000022420-A (KR)
Title: Method for manufacturing polymer particles
Inventor: CREVECOEUR JEROEN JOOST
IPC: C08F212/04
Filed: 1997-07-03
Abstract: PURPOSE: A method is provided to prepolymerize brackish water emulsion before the brackish water emulsion is suspended in a water medium viscosity. CONSTITUTION: A method for manufacturing polymer particles comprises the steps of: manufacturing a prepolymerized mass by reacting a vinylarene monomer with a copolymerizable compound, which includes a polar moiety and a vinyl moiety, to prepolymerize the vinylarene monomer on the basis of water emulsified in the copolymerizable compound and the vinylarene monomer, with 20 to 70 percent conversion rates; suspending the prepolymerized mass in a water medium; obtaining the suspended droplet; and obtaining the suspended polymer particles by polymerizing the vinylarene monomer which is suspended in the water droplet, to convert the vinylarene monomer into a perfect monomer.
Patent KR-20000051199-A (KR)
Inventor: OH HEUNG CHEOL
IPC: H04N17/00
Filed: 1999-01-19
Abstract: PURPOSE: An apparatus for testing image quality is provided to test the definition of a screen without using an additional tester by using the system itself. CONSTITUTION: An apparatus for testing image quality includes a test pattern generator(20), a space converter(30), and a look-up table(40). The test pattern generator(20) generates test pattern value for the input image signal or the test pattern value. The space converter(30) converts the color region generated at the test pattern generator into another color region, or bypasses the color region as it is. The look-up table(40) generates various output varied with various rules under the control of a mapped value. The test pattern generator is implemented inside of the receiver system.
Patent KR-20000051399-A (KR)
Inventor: SHIN HYO SUN
IPC: A01G9/02
Filed: 1999-01-21
Abstract: PURPOSE: A pot using charcoal is provided, which has no draining outlets, doesn't need a stay and can be easily managed without rotten roots, and promotes growing of plants. CONSTITUTION: A pot without a draining hole includes charcoal inside and a window composed of a transparent glass, a plastic window and a water-level check device using a plain tube to confirm an amount of water remained. The pot lifts up the left water of the pot inside using capillary pressure. The charcoal maintains moisture of the pot inside and purifies the water of the pot.
Patent KR-20000055666-A (KR)
Inventor: KIM GI WOO
IPC: F16H59/66
Filed: 1999-02-09
Abstract: PURPOSE: A device and a method of controlling a speed change as a gradient of a road for an automatic transmission vehicle is provided to improve the ride comfort by detecting a gradient of a road for performing an exact speed change control. CONSTITUTION: A device of controlling a speed change as a gradient of a road for an automatic transmission vehicle comprises : an active suspension(G sensor) to detect the acceleration of a car and to output the fixed electric signal ; an ECS to obtain the signal outputted in a G sensor and to output the acceleration data of a car by using a CAN communication ; a TCU to decide the signal outputted in an ECS, to decide a condition and a gradient of a road and to output the control signal of a speed change for controlling the transfer drive gear ; a driving means to change the speed an automatic transmission by the control signal of a speed change. And a method of controlling a speed change as gradient of a road for a automatic transmission car comprises : a step of detecting a gradient of a road ; a step of deciding whether to travel of a road with an inclination or not by data detected and whether to travel of a steep road or not of a car ; a step of deciding whether to travel of a road with an acclivity or not ; a step of fixing the transfer drive gear as a gradient of a road by fixed Lock-up Table and outputting the control signal.
Patent KR-19990072721-A (KR)
Title: 프로그램변환방법및프로그램변환시스템
IPC: G06F12/08
Filed: 1999-02-18
Abstract: 프로그래밍 언어로 기술된 소스 프로그램(source program)을 데이터 처리 시스템에 의해 실행가능한 언어로 기술된 목적 프로그램(object program)으로 변환하는 프로그램 변환 방법은 소스 프로그램에서 사용되는 프로시저, 펑션, 또는 서브루틴 중 적어도 일부를 목적 프로그램이 데이터 처리 시스템의 주요 저장 디바이스 중 임의의 저장 영역에 저장될 수 있도록 하는 형태로 변환하는 처리 단계, 소스 프로그램을 목적 프로그램으로 변환하는 처리 단계 동안에 얻어진 프로시저, 펑션, 또는 서브루틴에 관련된 정보를 근거로 캐시 충돌(cache conflict)을 발생시키지 않고 주요 저장 디바이스의 저장 영역 중 캐시 메모리의 캐시선(cache line)에 대응하는 저장 영역에 제 1 처리 단계에서 변환되거나 변환되지 않은 프로시저, 펑션, 또는 서브루틴을 배열하는 처리 단계, 및 배열 결과를 근거로 목적 프로그램을 발생하는 처리 단계를 포함한다.
Patent KR-19990072731-A (KR)
Title: 디지털카메라
IPC: H04N5/928
Filed: 1999-02-18
Abstract: (구성) 촬영된 카메라 데이타는 우선 SDRAM (58) 에 형성된 카메라 데이타 영역에 기입되며, 그 후 8 라인씩 판독된다.     이 8 라인분의 카메라 데이타는 신호처리회로 (24) 에 의해 YUV 변환되며, 그럼으로써 얻어진 8 라인분의 YUV 데이타는 SDRAM 의 작업 영역에 격납된다.     JPEG 코덱은 작업 영역의 YUV 데이타를 1 블록마다 판독하여 압축처리를 실시한다.     압축데이타는 1 블록씩 카메라 데이타 영역에 덮어써진다.     이 때, 압축데이타는 압축처리를 완료하고 있지 않은 카메라 데이타를 회피하도록 덮어써진다.     이와 같은 처리가 8 라인마다 반복되며, 카메라 데이타 영역에 격납된 모든 카메라 데이타의 압축데이타가 얻어지면, 카메라 데이타 영역내의 압축데이타가 한번에 플래시 메모리에 기록된다. 
     (효과) 압축데이타가 카메라 데이타 영역을 덮어쓰도록 하였기 때문에, 메모리용량을 삭감할 수 있다.
Patent KR-20000056803-A (KR)
Inventor: CHANG KYU TAE
IPC: H04B7/005
Filed: 1999-02-26
Abstract: PURPOSE: A wireless mobile multimedia system like CDMA 2000 supports applications having various service qualities, and guarantees services such as transmission rate, bit error rate, time latency. When new service qualities are requested in the CDMA 2000 system according to the service types, it needs to provide a method to allocate and compensate the profits among the wireless channels. CONSTITUTION: When a new application or a logical connection is generated, it is judged whether the new application uses a circuit or a non-circuit. According to the judgement a representative bit error rate of a physical channel of the corresponding way is detected, and on the basis of the representative bit error rate the profit value for the physical channel is calculated. By controlling the physical channel of a wireless sector, the service quality of the sector is guaranteed efficiently.
Patent KR-19990046607-A (KR)
Title: 땜납의정량토출장치
IPC: B23K3/06
Filed: 1999-04-03
Abstract: 이 발명은 땜납을 정량으로 토출하는 장치를 개시하며, 와이어 상의 땜납이 감겨진 스풀과, 모터의 구동에 따라 정, 역회전되는 볼 스크류와, 볼 스크류에 결합되어 모터의 구동에 따라 승강되는 승강부재와, 승강부재에 결합되어 스풀로부터 인출된 땜납을 홀딩하여 토출량 만큼 하강시키는 홀딩부와, 홀딩부에 의해 하강된 땜납의 표면에 마킹을 행하여 도팅량을 결정하는 마킹부를 포함한다. 
     따라서, 이 발명에 의하면 모터의 구동에 따른 볼 스크류의 작동에 의해 승강부재를 승강시켜 땜납을 토출함으로써 땜납의 정량 토출이 가능케 됨은 물론 마킹칼에 의해 땜납의 표면에 마킹을 행함으로써 자국의 깊이 조절이 가능하여 땜납의 토출량을 미세하게 조절하는 것이 가능케 되고, 이에 따라 납땜시 땜납의 도팅 불량 등에 의한 불량율이 최소화됨과 동시에 제조 코스트가 현저하게 절감된다.
Patent KR-20000066314-A (KR)
Title: Laser screen
Inventor: PARK HYEON GI
IPC: H01J17/00
Filed: 1999-04-15
Abstract: PURPOSE: A high quality laser screen is provided to enhance brightness of laser CRT by enhancing efficiency of incident electronic beam and reducing accelerating voltage. CONSTITUTION: The laser screen includes a laser target, and a heat removing support member. The laser target includes a first mirror(310), activation layer(320), a second mirror(340) and a metal layer(330,350). The first mirror(310) is formed on a surface contacted with adhesive agent(200), and partially passes through the laser beam. The activation layer is formed on the first mirror(310), and oscillates the laser beam if the electronic beam is entered. The second mirror is formed on the activation layer, and fully reflects the laser beam. The metal layer is deposited between the activation layer and the second mirror. Thereby, the laser screen enhances a brightness by enhancing an efficiency of incidence electronic beam, and reduces accelerating voltage.
Patent KR-20000066469-A (KR)
Inventor: LEE HA YEONG
IPC: G06Q50/20
Filed: 1999-04-16
Abstract: PURPOSE: A portable word memorization device and its control method is provided to store a preset quantity of English words or Chinese words at a memory, and allow a user to read or browse repeatedly wanted words. CONSTITUTION: A portable word memorization device comprises input buttons(130), a database(30), a search module(21), a memory module(22), a question generation controller(23), a display(120), a time counter(26), an answer check module(25), a point counter(27), a display controller(24), a sound or lamp processing module(28), and a power source(29). The input buttons(130) is for inputting a learning field selection. The database(30) stores a plurality of English or Chinese words and their meanings by a classification table. The search module(21) searches for a group of words among the database(30) based on the user selection field. The question generation controller(23) makes questions and their corresponding answers. The answer check module(25) compares user's answers with the correct answers, and transmits the compared results to the point counter(27).
Patent KR-19990083412-A (KR)
Title: 액정표시장치및그제조방법
IPC: H01L29/786
Filed: 1999-04-22
Abstract: 화소전극 및 배선 사이에 제 1 및 제 2 유기층간절연막들이 형성되는 액정표시장치.     제 1 유기층간절연막은 소스전극, 소스배선, 드레인전극 및 백채널을 직접 도포한다.     유기층간절연막들 중 하층은 직접 TFT 의 채널 부분과 접촉한다.     이것은 고투과율을 갖고, 밝게 표시할 수 있는 액티브 매트릭스형 액정표시장치를 제공하며, 이것은 배선과 화소전극이 오버랩된 구조를 갖는 액티브 매트릭스 기판을 포함한다.      이러한 장치는 종래의 고개구율의 액정표시장치에 비해, 포토리소그래피 공정을 증가시키지 않고, 5 개의 포토리소그래피 공정을 통해 저가로 제조할 수 있는 고투과율의 밝은 액티브 매트릭스형 액정표시장치 및 그 제조 방법을 제공할 수 있다.
Patent KR-20000067514-A (KR)
Inventor: PARK SEONG U
IPC: F16H61/04
Filed: 1999-04-29
Abstract: PURPOSE: A method for controlling 4 to 2 down skip speed changing in an automatic transmission is provided to increase drive experience with excellent speed changing performance by minimizing the occurrence of an interlock at the finial speed changing. CONSTITUTION: With a 4 to 2 down speed changing signal, a first and a second pressure control solenoid valve are controled by duty. The first pressure control solenoid valve conducts an initial open loop duty control and a feedback duty control, keeping a duty control signal in a certain time which is Ta,Tb,Tc,Td and Te. After the feedback duty control, a feedback final duty value(Di) increases up to 100% and the duty control of the second pressure control solenoid is finished. The 100% of the duty value is kept in a regular time(Ts) and the duty control of the first pressure control solenoid valve is finished.
Patent KR-20000075027-A (KR)
Inventor: SUNG BAEK RYUL
IPC: B60G11/14
Filed: 1999-05-28
Abstract: PURPOSE: A tilt compensator for a vehicle is provided to enhance safety and to give drive convenience by being added to a suspension. CONSTITUTION: A tilt compensator(10) for a vehicle comprises many arms, a coil spring, a leaf spring and a shock absorber. The compensator is added to a suspension supporting a vehicle body to compensate the tilt of the vehicle caused by centrifugal force upon turning. The tilt compensator contains an oil cylinder(21) and an oil pump(20) driven by a motor(25) to supply oil to the oil cylinder. The motor is controlled by an ECU(electronic control unit)(31) receiving information from a centrifugal measurer(30).
Patent KR-20010001072-A (KR)
Inventor: BOO WON YEONG
IPC: A63F13/45
Filed: 1999-06-01
Abstract: PURPOSE: On-line soccer game system using a network is provided to make a user enjoy a soccer game with another person on a network by allowing the user to make a virtual team on the network. CONSTITUTION: An on-line soccer game system using a network interconnects computers of many game manias through a network, and achieves an on-line game. The on-line soccer game system includes a game server, a database server, and a relay server. The game server performs a game according to a pre-constructed data of teams. The database server stores a data needed to a game proceeding and a game result data. The relay server stores a present proceeding game or a past game proceeding state as a data format used for a relay action, and transmits the stores data to a viewer. Thereby, the on-line soccer game system using a network makes a user to enjoy a soccer game with another person on a network by allowing a user to make a virtual team on network.
Patent KR-19990068743-A (KR)
Title: 비즈니스용명함
IPC: G06Q10/00
Filed: 1999-06-16
Abstract: 본 발명은 고객에게 자신의 직업, 신분 등을 알리기 위한 비즈니스용 명함이나 또한 본인의 영업을 알리기 위한 광고용 명함에 관한 것으로, 특히 명함의 이면에 경품을 타게 하는 복권 기능을 부여하여 인터넷 사이트를 통하여 당첨 여부를 확인하도록 하여 명함으로서의 기능은 물론 경품을 탈 수 있다는 기대심리와, 인터넷을 통한 학습 효과와 인터넷 사이트에 방문시 자신의 프로필과 광고를 재차 보여주어 재 광고효과가 우수한 명함을 제공하기 위한 것이다.
Patent KR-20010003816-A (KR)
Inventor: KIM PYEONG GON
IPC: A47C27/00
Filed: 1999-06-25
Abstract: PURPOSE: A manufacturing method for a wooden piece mat of sheet bonded type and the mat are provided to improve the binding force with a sheet by pouring epoxy resin into a sewing groove, and prevent the split of wooden pieces. CONSTITUTION: A manufacturing method for a wooden piece mat(100) comprises the steps of; preparing numerous normal wooden pieces(10) and numerous wooden pieces for edge(20); assembling the mat using normal wooden pieces(10) and wooden pieces for edge(20) during placing the wooden piece for edge(20) to the edge of the mat(100), and then bonding a sheet(30) on the bottom; pouring adhesive epoxy resin into the sewing groove of the wooden pieces for edge(20) to be equal to the surface of the mat(100); folding the edge of the sheet(30) to the upside of the mat(100), and bonding the end of a folded edge to epoxy resin in the sewing groove; and sewing the wooden pieces on the sheet(30) along the sewing groove by a sewing machine to be one body, and then completing the mat(100).
Patent KR-20010004348-A (KR)
Inventor: JEONG HEE SOO
IPC: A01N65/38
Filed: 1999-06-28
Abstract: PURPOSE: An insecticide composition useful for eradicating cockroach and ants, and a producing method of insecticide are provided. The composition is excellent in luring cockroach and ants, so that they can be effectively eradicated. CONSTITUTION: The insecticide composition comprises 95 to 99 weight parts of grinded cooked potatoes, 1 to 5 weight parts of starch syrup, 0.5 to 5% of a mixture containing pupa extract and boric acid, 0.1 to 1% of lacquer tree powder and 1 to 5% of lacquer tree extract. The method of producing the insecticide comprises the steps of: adding water into pupa powder and heating to 100 deg.C for over 30 minutes to produce the pupa extract; mixing the pupa extract with boric acid in a weight ratio of 1:0.5-2 and stirring; mixing 95 to 99 weight parts of grinded cooked potatoes and 1 to 5 weight parts of starch syrup; adding lacquer tree powder into water and heating for over 2 hours to produce lacquer tree extract; and equally mixing all materials produced by the above processes.
Patent KR-20010004828-A (KR)
Inventor: KIM DONG GYUN
IPC: B32B27/00
Filed: 1999-06-30
Abstract: PURPOSE: Provided is a process for producing floor material having a natural Korean paper layer which has air-permeability, anti-slip, anti-stickiness, heat insulating property, soundproof, natural texture, and three-dimensional property. CONSTITUTION: The process comprises the steps of: impregnating the natural Korean paper with a treating agent consisting of a melamine resin, a modified-urethane resin, polysiloxane, an amine resin, an acryl resin, and aqueous and/or oil solvent; printing the natural Korean paper with aqueous and/or oil inorganic ink before or after the impregnating step; scratching the surface of the impregnated natural Korean paper with a knife to adjust the amount of the spreading and then drying; laminating the dried natural Korean paper onto the floor material.
Patent KR-20010009569-A (KR)
Inventor: AHN WON IK
IPC: H04N5/44
Filed: 1999-07-12
Abstract: PURPOSE: A device for receiving a digital signal and method thereof is provided to restore a desired signal rapidly by applying a decision-intention equalizing algorithm after applying a self-equalizing algorithm to speed up a capturing time of a frequency offset. CONSTITUTION: An equalizing part(20) initially operates by a self-equalizing algorithm and then by decision -intention equalizing algorithm. The equalizing part(20) compensates an amplitude distortion of a received signal by channel. An original signal decision part(22) decides the original signal from the compensated signal. A phase synchronization detecting part(24) operates after a predetermined times in initial equalizing step, detects a phase-error between the decided original signal and the received signal and compensates a frequency offset. A re-rotating part(26) outputs a sine wave un-compensated to the equalizing part. An equalizer coefficient updating part(28) receives the phase locked signal from the phase synchronization detecting part and the sine wave from re-rotating part. The equalizer coefficient updating part(28) generates an error for updating the coefficient and updates the coefficient in the basis of the error.
Patent KR-20000011647-A (KR)
Inventor: SULLER ALEXANDER
IPC: H01M8/0612
Filed: 1999-07-12
Abstract: PURPOSE: A device containing a high temperature fuel cell is provided to obtain water required for a whole process during the general process and to prevent a soot from being formed from a liquid fuel. CONSTITUTION: A device(1) containing a high temperature fuel cell(20) includes; a supply point(5) for a fuel(50); a reformer(4) for the fuel to be reformed to CO or H2 at least partially by a catalysis method during supplying a process heat in the existence of the H2O; an afterburner chamber(6) being connected to an output point of the fuel cell; and an instrument supplying a liquid fuel such as an atomizer while a gas is not provided as the fuel.
Patent KR-20000067768-A (KR)
Title: 소결설비에 있어서의 팰릿 트럭
IPC: F27B21/08
Filed: 1999-08-17
Abstract: 측벽체를 팰릿 본체의 양측에 배치하고, 이들 측벽체의 하부를, 팰릿 본체에서 폭확대방향으로 연장되어서 팰릿 본체의 공기흡인용의 개구부로 향해서 공기를 밀어내도록 안내하는 수평면을 보유한 수평벽의 단부에 부착하고, 각 수평벽측의 단부의 화격자와 각 수평벽과의 사이에, 개구부측으로 향해서 흡인된 공기의 일부를 수평방향으로 안내하는 수평안내공간을 형성하고, 이 수평안내공간의 도중의 높이와 개구부측의 높이를 동등하게 설정함으로써, 화격자의 간극을 통과하여 낙하된 소결광물은 수평안내공간을 통과할 때에 가속되지만, 먼저 수평벽의 수평면에 대하여 대략 수직으로 충돌하므로 수평벽의 마모를 방지할 수 있다.
Patent KR-20010018308-A (KR)
Inventor: BAE JUN GWON
IPC: H02G3/06
Filed: 1999-08-18
Abstract: PURPOSE: A catch holder for a plastic wire tube is provided to improve the efficiency of a connector by preventing the deviation of a wire tube generated in a connecting portion of the wire tube and the connector. CONSTITUTION: The device includes a coupling(1), a washer(2), a body(3), a catch holder(4), and a nut(5). A plastic wire tube(6) is inserted into the interior of the connector. After the coupling(1), the washer(2), and a body(3) are assembled, the plastic wire tube(6) is inserted into the nut(5). The catch holder(4) is located between the connector and the nut(5). After the divided portion of the catch holder(4) is widened, the plastic wire tube(6) is engaged with the catch holder(4). The catch holder(4) tightly engages the plastic wire tube(6) by using a resilient force.
Patent KR-20010019247-A (KR)
Inventor: JUNG SEUNG GI
IPC: B60C9/16
Filed: 1999-08-26
Abstract: PURPOSE: A carcass ply has a durability under a heavy load, an excellent motion fatigue characteristics and a reduced weight. CONSTITUTION: A carcass ply comprises a steel cord made by twisting 12 pieces of filaments to a 'S' direction. The diameter of the filament is 0.22 mm. The carbon content of the raw material of the steel cord is 0.80 to 0.85 precent. The arrangement of the steel cord is 14 to 17 EPI(End Per Inch). When using the steel cord, according to the increase of the total strength of the seel cord by the high strength character, the EPI coefficient is possible to be lowered.
Patent KR-20010019423-A (KR)
Inventor: BAEK SUN CHEOL
IPC: B01D33/073
Filed: 1999-08-27
Abstract: PURPOSE: A precipitator using a rotation type filter is provided to decrease area and cost of installation and operation maintenance cost by simplifying structure thereof, and increase convenience of operation maintenance and improve treatment of an exhaust gas by easily cleaning a filter of the precipitator. CONSTITUTION: The precipitator using a cylindrical filter (20) is characterized in that it is rotationally installed inside a housing (10) of the precipitator so that particle phase contaminants contained in an exhaust gas are collected, filtered, and simultaneously particles precipitated by centrifugal force are agglomerated by reciprocal attractive force and surface tension, thereby continuously removing the agglomerated particles in an inflow direction of the exhaust gas in an exhaust gas treatment apparatus for treating particle phase contaminants comprising an exhaust gas hood, a duct (46), a blower and a precipitator.
Patent KR-20010027562-A (KR)
Inventor: KIM DONG GEUN
IPC: B62D3/00
Filed: 1999-09-14
Abstract: PURPOSE: A tilt hinge structure reduces the number of parts and manufacturing cost and improves the connection relation of a universal joint and a steering column which is tilted. CONSTITUTION: A tilt hinge structure comprises a mounting bracket(4) and a hinge member(5). A bolt(6) is inserted through the middle of the hinge member(5) and engaged with a vehicle body. If the tilt hinge structure is operated in a completely engaged state, a steering shaft is rotated and the front portion or the rear portion of the tilt hinge structure is a bit pushed down because the hinge member(5) is made of an elastic rubber(or synthetic resin material). Therefore, the lower end of the steering column becomes to be able to rotate the hinge member(5) to a supporting portion.
Patent KR-20010036729-A (KR)
Title: Flash memory device
Inventor: SHIN TAE SEUNG
IPC: G11C16/02
Filed: 1999-10-11
Abstract: PURPOSE: A flash memory device is provided which simultaneously performs cell data sensing and data buffer reading operations to improve random access time. CONSTITUTION: A flash memory device includes a data buffer configured of n latch blocks for reading cell data of a cell array constructed of word line*bit line(m*n), the first i-bit counter(61) for controlling switches of a multiplexer externally outputting the read data of the data buffer, and the second j-bit counter(63) for controlling switches of the data buffer. The flash memory device further has the first decoder/driver block(62) for NANDing a data bus read signal(DBRD) and the output signal of the first counter and inverting the NANDed signal to generate input/output signals(IO1,IO2,...,IOn), the second decoder/driver block(64) for NANDing the output signal of the second counter and a sense amplifier read signal(S/A RD) and inverting the NANDed signal to generate write enable signals(WE1',WE2'), and the third decoder/driver block(65) for operating the write enable signals and data bus read signal and inverting the result signal to generate read enable signals(RD1',RD2').
Patent KR-20010037874-A (KR)
Inventor: KO JIN SU
IPC: H04B7/216
Filed: 1999-10-20
Abstract: PURPOSE: An amplifier for dual band simultaneous access in a CDMA system and a method for grounding its loads is provided to selectively ground a load for dual band simultaneous access by adjusting an on-chip impedance in an RF IC amplifier of a DBTM(Dual Band Triple Mode) mobile terminal for CDMA telecommunication service. CONSTITUTION: An amplifying apparatus(100) is comprised of a switching circuit(SW), the first impedance circuit(130), the second impedance circuit(132) and a load(Lload). The first impedance circuit(130) comprises an inductor(Lbw) by a bonding wire and an additional inductor(Ladd). The second impedance circuit(132) comprises a bypass capacitor(Cby) and a bypass inductor(Lby) by a multiple bonding wire. If the switching circuit(SW) is turned on, the amplifying apparatus(100) generates an impedance suitable for a PCS band by the load(Lload) and the second impedance circuit(132). In this case, the bypass capacitor(Cby) and the bypass inductor(Lby) generate a serial resonance so that an impedance(Zload) by the load(Lload) can be generated only. If the switching circuit(SW) is turned off, the amplifying apparatus(100) generates an impedance suitable for a cellular band by the load(Lload) and the first impedance circuit(130). In this case, the amplifying apparatus(100) generates the total impedance for the impedance(Zload) by the load(Lload), an impedance(Zbw) having the inductor(Lbw) component and an impedance(ZLadd) by the additional inductor(Ladd).