baber/WOPTO huggingface dataset:
Patent KR-20000051898-A (KR)
Inventor: HONG KI WON
IPC: H04Q3/58
Filed: 1999-01-27
Abstract: PURPOSE: A method of simultaneous order in private switching board is provided to eliminate the procedure of changing the order-object in the simultaneous order group react actively to the demand of the order-part, after all help comprise the simultaneous orders in small or large size. CONSTITUTION: A method of simultaneous order in private switching board comprises the steps of: changing or selecting the object requiring orders according to the order part's situation; saving the subscriber information for the selected the object(S20); as the order part selecting the kind of simultaneous orders(S30), performing the simultaneous orders to the object according to the selected kind of simultaneous orders(S40).
Patent KR-19990037847-A (KR)
Title: 록킹너트
Filed: 1999-02-03
Abstract: 본 발명은 한번 장착되면 이완을 확실하게 방지하기 위한 록킹너트에 관한 것으로서, 본 발명은 이를 위해 부품을 고정하기 위해 보울트(1)에 장착되는 록킹너트에 있어서, 보울트(1)의 나사산(1a)과 대응되게 형성된 나사산(10a)과, 록킹스프링 및 스냅링을 수용하도록 돌출부(11)가 형성되며 돌출부(11)에는 절단홈(12,13)이 형성된 너트본체(10)와; 돌출부(11)에 장착되어 너트본체(10)의 이완을 방지하기 위한 록킹스프링(20)과; 록킹스프링(20)이 장착된 돌출부(11)에 삽입되는 캡(30) 및 캡(30)을 고정하기 위한 스냅링(40)으로 구성된다. 그리고, 돌출부(11)에 삽입되는 록킹스프링(20)은 양단부가 절단홈(12,13)에 각각 걸리도록 설계되고 너트본체(10)의 조임시에는 조임을 용이하도록 하며 풀림을 방지하기 위한 경사부위(21)를 구비하되 경사부위(21)는 너트본체(10)의 나사산(10a)쪽으로 돌출된 것이다.
Patent KR-20000059483-A (KR)
Inventor: LEE JAE YEOP
IPC: H03K19/003
Filed: 1999-03-04
Abstract: PURPOSE: A high-voltage tolerant interface circuit is provided to have tolerant function against a high voltage in a case where a high voltage over 5 voltages is inputted. CONSTITUTION: A semiconductor memory device comprises an internal circuit(111), a pad(151), and a high-voltage tolerant interface circuit(113). The high-voltage tolerant interface circuit(113) consists of an output buffer(121), a voltage controller(131) and an input buffer(141), which are connected to the pad(151) and the internal circuit(111). The output buffer(121) transfers a signal sent from the internal circuit(111) into the pad(151), and the input buffer(141) transfers a signal applied to the pad(151) into the internal circuit(111). The voltage controller(131) supplies a power supply voltage to the buffers(121,141) in a case where the power supply voltage(Vcc) is applied to the memory device. When a high voltage over the power supply voltage is applied to the memory device(101) under the condition that the power supply voltage is not applied to the device(101), the voltage controller(131) lowers the high voltage(Vp) by a predetermined voltage level to supply the lowered voltage to the buffers(121,141).
Patent KR-19990078065-A (KR)
Title: 분주기
IPC: H03K23/64
Filed: 1999-03-19
Abstract: 본 발명은 비용 상승을 방지하고, 임의 클록으로부터 얻어진 주파수를 가지는 클록을 발생시킬 수 있는 분주기를 제공하는데, 분주 회로는 분주 신호를 발생시키고, 분주 신호는 기준 클록에 기초를 두고 있으며, 셀렉터는 비교 신호가 제 2 상태를 나타낼 때 분주 회로로부터 분주 신호를 분주 클록으로서 출력시키면서 비교 신호가 제 1 상태를 나타낼 때 분주 회로로부터 분주 신호를 분주 클록으로서 출력시키며, 전환 제어 수단은 셀렉터로부터의 분주 클록의 주파수에 기초하여 제 1 상태 및 제 2 상태를 나타내는 전환 신호를 발생시킨다.
Patent KR-20000060857-A (KR)
Inventor: KIM YUN JI
IPC: A61K35/16
Filed: 1999-03-20
Abstract: PURPOSE: A preparation method of an iron-transferrin extract is provided. The method is used to increase the bioavailability of the iron and solubility of the iron in the duodenum, and comprises the simplified steps. Because of its thermal stability and sterilizability, the resulting iron-transferrin extract can readily be contained to a various medical iron preparation and an iron-reinforcing agent. CONSTITUTION: The preparation method of an iron-transferrin extract comprises the steps of: carrying out an ion-exchange chromatography of the plasma from the slaughtered animal blood using the resin such as Sepharose, Sephadex or Sephacel to separate transferrin-containing fraction; filtering and lyophilizing the transferrin-containing fraction to obtain the concentrated transferrin extract powder; and adding iron in the form of FeCl3, FeSO4, ferric citrate, ferric lactate, ferrous citrate or ferrous lactate to the diluted transferrin extract solution followed by dialyzing, sterilizing and lyophilizing to obtain the iron-transferrin extract in the form of the powder.
Patent KR-20000034832-A (KR)
Inventor: JANG DONG IL
IPC: H01F38/42
Filed: 1999-03-26
Abstract: PURPOSE: A motion presuming apparatus is provided to reduce a calculation amount for a motion presumption and to execute a motion presumption efficiently. CONSTITUTION: A motion presuming apparatus comprises an octagonal section forming part (100) which receives information to each pixel of a present frame and divides the present frame into plural octagonal sections having the same size respectively. A control grid interpolation(CGI) motion presuming part(105) receives the present frame image divided into the octagonal sections and a previous frame, and detects J-order motion vectors to center apexes of each octagonal section by use of the present and previous frames. A motion vector correlation searching part(210) determines whether the J-order motion vector of the center apexes is again searched or not according to a difference between first and second motion presumption error values. The first motion presumption error value exists between the octagonal sections of the present and previous frames, and is presumed by the J-order motion vectors of each pixel the octagonal section of the present frame. The second motion presumption error value exists between the octagonal sections of the present and previous frames, and is presumed by the J-first order motion vectors of each pixel the octagonal section of the present frame. A first research marking part(155) endows a research mark with regard to a center apex determined as a research. A research error detecting part(230) determines whether center apexes, in which a research mark is not endowed, are again searched, and a second research marking part(175) endows a research mark to a center apex determined by the research error detecting part(230), and makes an iteration circulation search be performed again to the center apex in which the research mark is endowed.
Patent KR-19990046559-A (KR)
Title: 운동용자전거
Filed: 1999-03-30
Abstract: 본 발명은 운동용 자전거에 관한 것으로, 자전거 탑승시 승마감을 느끼면서 운동을 즐길 수 있게 하는 것이다. 
     본 발명은 자전거의 앞뒤 바퀴 고정축에 캠형 회전판을 설치하여 바퀴 회전시 전후 상하로 자전거가 움직일 수 있게 하는 것이다. 
     본 발명은 공원등과 같은 자전거 도로나 헬스클럽등과 같은 실내 운동장에서 자전거를 타고 운동을 할 시 탑승자의 운동이 배가 되고 즐거움을 가질 수 있게 하는 것이다.
Patent KR-20000066074-A (KR)
Title: Apparatus for manufacturing sawdust
Inventor: YOU KEUN JONG
IPC: B27L11/06
Filed: 1999-04-13
Abstract: PURPOSE: A sawdust manufacturing device is provided to manufacture sawdust having the size of the extent that packed articles are not damaged. CONSTITUTION: A sawdust manufacturing device includes a support frame, a conveying part(30) mounted on the support frame(10) and conveying woods, to be processed, in a prescribed direction, a crushing part(50) mounted perpendicular to the conveying direction of the woods and crushing the woods into sawdust of a prescribed size, a pressing part(40) mounted on the upper portion of the conveying part in a vertically moving manner and pressing the woods with power of a prescribed degree, and a control part(70) mounted on the support frame and controlling power pressing a wood plate of the pressing part according to the thickness of wood.
Patent KR-20000066359-A (KR)
Inventor: CHOI CHANG SIK
IPC: H01L21/318
Filed: 1999-04-15
Abstract: PURPOSE: A method for manufacturing a nitride layer is provided to prevent a defect from being generated in forming a nitride layer, by evaporating a nitride layer on the surface of a wafer in a furnace, and by transferring the wafer to a loadlock chamber to have the inside of the loadlock chamber become an atmospheric pressure at a normal temperature using a nitrogen gas. CONSTITUTION: A wafer is charged in a boat of a loadlock chamber, and a nitrogen gas is fuzzied after the loadlock chamber is pumped. The boat is transferred into a furnace, and the inside of the furnace is pumped. First and second reaction gases are injected into the furnace, and a nitride layer is evaporated on the surface of the wafer. The gas remaining in the furnace is exhausted to the exterior. After the boat on which the wafer is mounted is transferred to the loadlock chamber, the inside of the loadlock chamber becomes an atmospheric pressure by injecting a nitrogen gas. The boat is discharged from the boat.
Patent KR-20000073229-A (KR)
Inventor: KIM SEONG GON
IPC: G02F1/133
Filed: 1999-05-07
Abstract: PURPOSE: A liquid crystal display and its driving method are provided to reduce the effect of EMI by making the data output from the controller to have 1/2 frequency of data input to the controller. CONSTITUTION: A liquid crystal display and its driving method include a liquid crystal panel(100), a gate driver(200), a data driver(300) and a controller. Many data lines and many scanning lines are arranged with a crossing in the liquid crystal panel(100). The data driver(300) separates many drivers into two groups of an odd driver and an even driver. The gate driver(200) drives the scanning line. The controller(400) drives the gate driver(200) and the data driver(300) and inputs the input data with the first frequency and separates them into the odd data and the even data and supplies the separated data to the odd driver and the even driver with the second frequency.
Patent KR-20000073421-A (KR)
Inventor: LEE JIN SU
IPC: C02F1/66
Filed: 1999-05-10
Abstract: PURPOSE: A treatment method of acid mine drainage(AMD) is provided, which is characterized in that the method can treat efficiently mining wastewater containing Fe, Al, Mn, SO42- and so on, by using mineral water generated from a limestone zone. CONSTITUTION: The treatment method consists of the following steps: (i) a first step of mixing mining wastewater containing Fe, Al, Mn, SO42- and so on with mineral water generated from a limestone zone(S2); (ii) a second step of precipitating heavy metal components by adjusting the acidity of the mining wastewater(S4); and a final step of removing the settled components(S6). As the results, the removal-rates of Fe, Cu and Al respectively are 90%, SO42-, Zn, Pb, Cd, Co, Ni, Mn, V, and Li are 75%, and Cr, Mg, Ac, and Sr are 50%.
Patent KR-20000073452-A (KR)
Inventor: KIM HAK CHOUL
IPC: C03B33/10
Filed: 1999-05-11
Abstract: PURPOSE: A glass cutter comprising a tip, holder and thimble is provide to cut glass conveniently in need with wearing gloves and thimbles. CONSTITUTION: The glass cutter is characterized by having a tip(4) lied in a groove(3) on line terminal of a metallic holder(2) where the end of a thimble(1) is attached. A water bag(5) in the side of thimble enables to flow small quantity of water when the glass is cut. The usable tip is diamond or cemented carbide.
Patent KR-19990088326-A (KR)
Title: 자동차도막보호용시트
IPC: C09J7/29
Filed: 1999-05-17
Abstract: 본 발명에서는, 신뢰도가 높고 충돌물질에 대한 보호 기능(즉, 보호용 시트의 고유 기능)이 뛰어나고 목적하는 보호기능을 마친 후에는 쉽게 벗겨져 제거되며, 주름없이 자동차의 도막, 심지어 곡면 부위의 도막에도 점착되어 이를 커버함으로써 빗물 등이 스며드는 것을 방지하고 변성 등으로 인한 자동차 도막의 손상을 방지하는, 자동차 도막 보호용 시트를 제공한다. 
     이러한 자동차 도막 보호용 시트는, 그 일면 또는 양면상에 비직물 조직(non-woven fabric)(11)이 적층된 중합체 막(12)를 포함하는 지지체(1) 및 상기 중합체 막의 일면상에 형성된 감압성 점착층(2)를 포함한다. 
     비직물 조직에 막을 적층시킴으로써, 견고성, 도막 보호 기능 및 목적하는 보호기능을 마친 후의 벗겨짐성이 우수한, 시트를 제공할 수 있다. 이러한 자동차 도막 보호용 쉬트에 있어서 비직물 조직은 곡면에 대한 우수한 팔로업 성능을 나타내므로, 막층이 빗물 등의 투과를 방지하는 한편, 주름없이 자동차 도막에 점착되어 이를 커버할 수 있다.
Patent KR-20000074797-A (KR)
Inventor: BAE MYUNG SOON
IPC: F16D25/0638
Filed: 1999-05-26
Abstract: PURPOSE: A clutch of a vehicle is provided to improve the convenience of use, to reduce a power loss, to save maintenance costs and not to replace a component by avoiding the precise manipulation of a clutch pedal. CONSTITUTION: A clutch of a vehicle is composed of a disk type clutch base(730), a cylindrical output shaft(740) and a carrier(750). Herein, the clutch base forms a settlement unit(732) inserted between a flywheel(40) and a clutch cover(710). In the clutch base, a ring gear boss(734) having an input ring gear(736) formed is protruded. The output shaft forms a spline groove(746) on an inner circumferential face and first and second linear gears(742,744) on an outer circumferential face. One end of the output shaft is inserted in the clutch cover and the other end is inserted in the center of the settlement unit. The carrier is consisted of first and second carriers(752,754). A shaft insertion hole(752b) is punched on the first carrier. The second carrier is installed on the facing clutch cover by meditating a thrust bearing(R2).
Patent KR-19990083691-A (KR)
Title: 전극봉식가습제어를포함한항온항습기제어용마이컴컨트롤러
Filed: 1999-05-28
Abstract: 본 발명은 실내온도 및 습도를 원하는 상태로 조절하여 실내 공기를 항상 쾌적한 상태로 유지하기 위한 전극봉식 가습제어를 포함한 항온항습기 제어용 마이컴 컨트롤러에 관한 것으로서, 
     특히, 소정크기의 일체형 형태로 제작되며 그 일측으로 각종 사항을 외부로 표시해 주기 위한 LCD출력부와, 쾌적한 실내환경 조성을 위해 팬, 냉방, 난방, 가습, 제습운전 장치들이 전기적으로 연결되기 위한 단자부와, 그 내부로 온도, 습도 및 각종 상황 감지에 따른 각 운전 및 상황표시제어, 운전조건 설정제어, 가습시 전자조절기가 전극에 전원을 공급하여 스팀을 발생시키는 전극봉식 가습제어를 포함한 항온항습용 제어수단으로 이루어진것을 그 구성적 특징으로 한다.
Patent KR-20010001075-A (KR)
Inventor: HAN IN HUI
IPC: F23L1/00
Filed: 1999-06-01
Abstract: PURPOSE: An air inlet structure of gas range is provided to prevent the flow interference of air which is flowed with the gas into the inflow hole of mixing tube. CONSTITUTION: In the air inlet structure of gas range, two mixing tubes(30) which compose a burner are installed. The mixing tube is formed in certain length, and the one side is connected to burner head(11), and an inflow hole(32), in which the air flows, is formed in the end of the other side. The ends of inflow holes are arranged to be stepped at certain intervals, so that the flow interference of air, flowed into the flow hole of mixing tube, is prevented. In the other case of air inlet structure, each inflow holes are arranged in different directions, and a nozzle for spraying of gas is formed in front of inflow hole. And in another case of air inlet structure, a flow interference preventing layer is formed in between inflow holes of mixing tube, so that the inlet of air is facilitated and the inlet amount of air increases.
Patent KR-20010002883-A (KR)
Title: Semiconductor chip module and method for manufacturing the same
Inventor: SHEN MING-TUNG
IPC: H01L21/60
Filed: 1999-06-18
Abstract: PURPOSE: A semiconductor chip module and a method for manufacturing the same are provided to minimize time delay by shortening a signal transfer path between semiconductor chips. CONSTITUTION: The first semiconductor chip(40) with a pad mounting face is formed on a plurality of the first bonding pad. A dielectric layer(5) has the first bonding face and the second bonding faces(51). The first bonding face is adhered to the pad mounting face of the first semiconductor chip(40). A plurality of hole is formed on the dielectric layer(5) of a position corresponding to the first bonding pad. The first bonding pad is exposed by the plurality of hole. The plurality of hole is limited by a wall. A contact reception space is formed by the wall and the first bonding pad. A plurality of conductive contact portion(54) is formed on the contact reception space. The second semiconductor chip(6) with a chip mounting face(61) is formed on the second contact face(51) of the dielectric layer(5). The second bonding pad(60) is formed on the chip mounting face(61).
Patent KR-20010008556-A (KR)
Inventor: KIM HAE WON
IPC: H01L27/10
Filed: 1999-07-02
Abstract: PURPOSE: A method for manufacturing a charge storage electrode of a semiconductor device is provided to maximize a grain projection, by firstly stacking a doped amorphous silicon layer of a low deposition rate in a contact hole of an insulating layer, by secondly stacking a low doped or undoped amorphous silicon layer of a high deposition rate, and by patterning a charge storage electrode by an etching process to form a silicon seed. CONSTITUTION: A gate is formed on a semiconductor substrate(10) and an insulating layer(20) is stacked. After the first photoresist layer is stacked and patterned on the insulating layer, the insulating layer is etched to form a contact hole. A doped lower amorphous silicon layer(50) is deposited in the contact hole. A doped or undoped upper amorphous silicon layer(60) having a high deposition rate as compared to that of the lower polysilicon layer is deposited on the lower amorphous silicon layer. The second photoresist layer is stacked and patterned in a portion for a charge storage electrode(A) and a native oxide layer on the amorphous silicon layer is eliminated. After a silicon seed is formed on the amorphous silicon layer in a high vacuum state and annealed to form a grain projection(80), a PH3 treatment for doping is performed regarding the resultant structure.
Patent KR-20010008746-A (KR)
Inventor: WOO NAM GYU
IPC: F02D41/06
Filed: 1999-07-03
Abstract: PURPOSE: A fuel feed volume control system is provided to reduce gas emission by allowing the bimetal to contract the sectional area of fuel passage during cold start operation of engine. CONSTITUTION: A fuel pipe(1) supplies the fuel transported from an injection pump(2) to a fuel injection nozzle(3) which injects the fuel into a combustion chamber. The fuel pipe penetrates a water coolant pipe(4) in which the water coolant circulating toward a radiator after cooling an engine. The fuel pipe has a square chamber(5) arranged in a portion disposed within the water coolant pipe. The square chamber has a thermostat(6) which contracts the sectional area of fuel passage when the temperature of water coolant is low and expands the sectional area of fuel passage when the temperature of water coolant is high. The thermostat has an end fixed to the inner wall of the chamber and the other end inclined toward the injection nozzle. The thermostat is constituted by a bimetal formed of metal plates having a high coefficient of thermal expansion and a low coefficient of thermal expansion, respectively.
Patent KR-20000011901-A (KR)
Inventor: KIM GWANG YONG
IPC: F04D29/30
Filed: 1999-07-22
Abstract: PURPOSE: A simulative design method is provided to achieve the low noise of a cooling fan, the main component of the air conditioning and the engine cooling system in a car. CONSTITUTION: The numerical optimization method is applied by developing the function, which is for reducing the noise, as the current information caused by the simulation of the detailed three-dimensional Navier-Stokes equation able to exactly analyze the flow structure. And the design method of an axial flow fan analyzes the flow by dispersing the three-dimensional Navier-Stokes equation with the finite volume method, decides the searching direction to the design parameters with the conjugate gradient method, calculates the optimal distance to the decided searching direction by performing the one-dimensional searching according to the decided searching direction and changes the design parameters according to the consequences.
Patent KR-19990073583-A (KR)
Title: 수질정화제
Filed: 1999-07-27
Abstract: 바다나 하천 또는 개펄 등에 살포하여 수질을 향상시키는데 사용되는 수질정화제에 관하여 개시한다. 개시된 수질정화제는 2차 오염없이 적조 등을 효과적으로 제거할 수 있고 저렴한 비용으로 양산가능하며 또한 수심과 유속 등의 수리적 조건에 알맞게 조절 생산가능토록 하기 위한 것으로서, 여러 가지 다공질 암석을 주원료로 하여 1차 파쇄한 암석분말을 황산과 반응시켜 상온에서 응고시킨 다음 그 응고물을 분말상으로 2차 파쇄한 처리암석분말로 되며, 바람직하게는 1차 파쇄된 암석분말을 황산과 반응시킬 때 혈암분말을 첨가하는 것이며, 또한 그 처리된 암석분말을 미처리상태의 암석분말과 혼합포장함으로써 경제성을 높인다. 다공질 암석성분에 의해 적조 생물 등의 부유물을 포착 침전하는 물리적 작용과 함께 황산반응으로 생성되는 황산알루미늄이나 황산동과 같은 정화제 성분 및 광물질의 중화반응에 의해 정제효과로 적조 제거후 수질향상에 효과적이다. 따라서 통상적으로 사용하는 황토를 살포한 경우의 불순물 등에 의한 2차 오염의 염려 없이 수질정화에 이용될 수 있으며, 적조 경보시 즉각 투입가능하도록 비치할 수 있어 환경보존에 능동적으로 대처할 수 있게 된다.
Patent KR-20000017715-A (KR)
Inventor: KIM GUI HWA
IPC: C25B1/00
Filed: 1999-08-16
Abstract: PURPOSE: An apparatus for producing of electrolytic water large quantity in a laver farm is provided, which is simple, economical and environmental friendly. CONSTITUTION: The apparatus is constructed such that a seawater pipe(10) is constructed to allow the seawater to pass through within the inside and a pair of electrode plates(12, 14) providing a cathode and an anode are constructed within the seawater pipe(10). The electrode plates(12, 14) electrolyte the seawater passing through the seawater pipe(10) to generate an alkali water and an acidic water. Several isolating membranes are constructed between the electrode plates(12, 14) to divide the seawater pipe(10) into two, and promotes the ionization of the seawater by preventing the generated alkali water and acidic water from being mixed. The electrode plates(12, 14) are preferably an insoluble metal such as titanium or a stainless steel.
Patent KR-20010018750-A (KR)
Inventor: AHN SEONG SUN
IPC: F24C15/00
Filed: 1999-08-21
Abstract: PURPOSE: A microwave oven used as a hood is provided to install easily on a wall face by demounting a power cord to a main body of the microwave oven. CONSTITUTION: A microwave oven used as a hood established to an upper wall face(W) of a gas oven range comprises a power cord(30) formed by dividing from a body(20) of a microwave oven; an inlet socket(22) mounted on an upper face of the body; and a power cord plug(32) installed on an end portion of the power cord to supply current by being inserted to the inlet socket. The power cord plug is formed to fix removably with the inlet socket. In addition, the power cord plug is engaged electrically by being inserted into the inlet socket after installation of the body of the microwave oven to the wall face. Thereby, the microwave oven is composed to easily install the body of the microwave oven in the wall face.
Patent KR-20000047465-A (KR)
Inventor: LEE JUN MO
IPC: C03B21/00
Filed: 1999-08-25
Abstract: PURPOSE: An automatic cutter for a film protruded from a safety glass is provided to remove an accident caused by a manual work, to increase work accuracy and to reduce time and cost. CONSTITUTION: A supporting stand(1) loads many safety glasses. The supporting stand is transferred by a conveyor(10). A supplying robot arm(30) senses the safety glass by a sensor and a heating blower(12) softens a PVB(Poly Vinyl Butyrate) film to easily cut the film protruded from the safety glass. Then, the supplying robot arm adheres one among the glasses by a pneumatic cylinder and places the glass on the stopper of a position aligner(20) to align the forward and the rearward positions of the glass.
Patent KR-20010019574-A (KR)
Inventor: BAEK DONG MYEONG
IPC: H04B7/26
Filed: 1999-08-28
Abstract: PURPOSE: The method for supporting multiple services to an identical terminal by assignment of signaling channels is provided to offer a method to allocate the signaling channels for the transmission of information associated with a service addition. CONSTITUTION: If signaling is triggered for new service addition when service is being provided through a preset traffic channel(S1,S2), a terminal sets a PBR(Piggy-Backed Request) parameter as "1" and requests a signaling channel(S3). A base station/base station controller side, receiving the PBR parameter and recognizing that the terminal has requested a signaling channel(S6), assign a signaling channel necessary for signaling by transmitting a signaling channel setup message to the terminal side(S7). Receiving the signaling channel setup message, the terminal sets up the allocated signaling channel suitably according to signaling channel characteristics comprised in the message(S8). The terminal transmits a signaling channel setup complete message to the base station/base station controller side through the set signaling channel to inform that the setup of the allocated signaling channel has been completed(S9). Then, the terminal transmits a service addition message to request a traffic channel for additional service support(S10). The base station/base station controller side assigns a new traffic channel by transmitting an additional traffic channel setup message(S11). The terminal sets up the newly allocated traffic channel(S12) and transmits an additional traffic channel setup complete message to inform that the usage of additional service is possible(13). The base station/base station controller side, receiving the additional traffic channel setup complete message, transmits a signaling channel release message to the terminal side so that the efficient use of resources can be achieved(S14).