baber/WOPTO huggingface dataset:
Patent KR-20000020021-A (KR)
Title: Decelerator for inscribed planetary gear
Inventor: MIN SEUNG KI
IPC: F16H3/00
Filed: 1998-09-17
Abstract: PURPOSE: A decelerator for an inscribed planetary gear is provided to efficiently reduce speed by adopting a planetary gear having a tooth shape to minimize the interference and the backlash and to constitute a reduction gear by using common components and adapting simple processes. CONSTITUTION: A decelerator for an inscribed planetary gear is formed by: a hollow-shaped body(2) having an internal gear along the inner circumference; crankshafts(4,5) integrating two eccentric axes having a certain amount of eccentricity in the opposite direction respectively; two planetary gears(3) having central holes in the center to insert the eccentric axes of the crankshaft, plural holes to be arranged on a specific radius of circumference with the same angle, and an external gear on the outer circumference to be butted with the internal gear of the body; a crank supporting plate and an output plate(9) inserted into the input and output of the body respectively to be revolved; and a transfer unit arranged by passing the plural holes of the two planetary gears to transfer the revolving power of each planetary gear to the output plate(9) along the inner circumference of the body.
Patent KR-20000020521-A (KR)
Title: Method of controlling semi-active mount of multi degree-of-freedom system
Inventor: LEE JONG WON
IPC: F16M11/00
Filed: 1998-09-22
Abstract: PURPOSE: A semi-active mount controlling method is provided to effectively control a semi-active mount or a damper used for absorbing vibration of machinery system of a mechanical structure. CONSTITUTION: A semi-active mount controlling method comprises the steps of: determining the position and the quantity of a semi-active mount on the base; setting up a movement function controlling a multi degree-of-freedom system on the basis of weight matrix, an attenuation matrix and a strong matrix when vibration is produced on the base; decoupling a system by setting up a sufficient and necessary condition to offer proportional attenuation property to the system and making the system a regular mode system; applying a certain control formula to the decoupled each mode; and determining the attenuation value of the semi-active mount installed by corresponding to the applied control formula. Herein, the vibration of the system is controlled effectively by using only one semi-active mount.
Patent KR-20000025594-A (KR)
Title: Safety device for extinguishing fire of portable gas oven
Inventor: SON JAE WON
IPC: F23D14/72
Filed: 1998-10-13
Abstract: PURPOSE: A safety device of a portable gas oven is provided to prevent safety accidents by cutting off the gas supplied to a burner when flames are extinguished forcibly due to the overflow of soup or the strong wind by using the thermoelectric force of a thermocouple. CONSTITUTION: A safety device is composed of: a thermocouple(10); a burner(20); a cut off valve; a first spring; a magnet cut off valve housing(50); a push pin(60); a governor valve(70); a pressurization pin(80); and a gas control knob(90). Herein, a user supplies gas and ignites by turning the gas control knob formed on the front face of the portable gas oven. If the burner is extinguished due to the wind, the thermoelectric force of the thermocouple is weakened. And a metal piece attached on the magnet cut off valve is separated. A finishing member closes a gas discharge groove of the magnet cut off valve by the rebounding force of the first spring. Thereby, the gas supplied to the burner is cut off, and the accidents due to the gas are prevented.
Patent KR-19990037389-A (KR)
Title: 골프 교육 및 연습 시설물 통합 시스템
IPC: A63B69/36
Filed: 1998-10-27
Abstract: 본 발명은 골프교육 및 연습 시설물을 통합하는 시스템(System)에 관한것으로 골프 기술 연마를 위한 시설물 발명이다.    이는 드라이빙 및 아이언래인지(Driving & Iron Range)와 피칭 래인지(Pitching Range) 그리고 퍼팅 래인지(Putting Range)를 시스템(System)화하는 방법에 관한 것이다. 
     이를 위하여 본 발명 각 래인지 시스템은, 모든 골프 클럽을 사용 가능하게 해주는 충분한 거리와 천연잔디 타석구역(전후 40m)그리고 페어웨이 벙커 및 러프샷 전용 지역을 확보한 드라이빙 및 아이언 래인지 , 숏게임(Short Game) 교육 및 연습을 위한 벙커, 그린 지역을 시리즈(Series)화한 피칭 래인지 , 그리고 실제 골프장에 조성되는 그린 잔디종류별로 일정 비율 혼합 구성된 퍼팅 그린 래인지 가 종래의 시설물과는 다르게 통합 시스템으로 구성되었다는 특징이 있다. 
     본 발명 시스템은 종래 골프 연습장 규모 (3,500평 기준)의 약 10배 그리고 18홀 기준 정규 골프장 규모의 약 1/10 크기로 구성되며, 시스템을 구성하는 래인지가 원형 배치되어 수백명의 골퍼가 동시에 교육 및 연습 가능한 구조를 갖는다는 특징, 그리고 종래의 교육 및 연습과정과 실전과의 차이점에서 발생했던 많은 문제점들을 해소하기 위하여 골퍼들이 투자해야했던 많은 시간과 경비를 최소화 할 수 있다는 부연의 특징이 있다.
Patent KR-20000027559-A (KR)
Title: Test circuit for flash memory device
Inventor: KIM SUNG DEOK
IPC: G11C29/00
Filed: 1998-10-28
Abstract: PURPOSE: A test circuit for flash memory device is provided to decrease a test time by performing a disturbance check to a cell having 0 data and a cell having 1 data as an once read operation. CONSTITUTION: A first switching means(22) outputs a least significant bit value having an address of a bit line selected according to a check board mode signal and an inverse check board mode signal and an inverted least significant bit value. A second switching means(23) outputs a least significant bit value having an address of the selected bit line according to the least significant bit value having the address of the selected word line. A sensing means(24) senses data of a memory cell. A comparing means(25) compares the output of the second switching means(23) and the output of the sensing means(24), and identifies as to whether data stored in a memory cell is accurate.
Patent KR-20000027836-A (KR)
Title: Method for forming capacitor of semiconductor devices
Inventor: LEE GI JUNG
IPC: H01L27/108
Filed: 1998-10-29
Abstract: PURPOSE: A method for forming a capacitor of semiconductor devices is provided to prevent a degradation in electrical characteristic by forming an Al2O3 thin film at interface between a lower electrode and a Ta2O3 layer. CONSTITUTION: Lower electrodes are formed on a substrate(5) by depositing and etching doped polysilicon(10) and photoresist. An Al2O3 layer(30) is formed on the entire surface of the resultant structure, wherein the Al2O3 layer(30) being formed by using an LPCVD method. A tantalum oxide layer(40) is deposited on the resultant structure, wherein an additional annealing is performed on the resultant structure.
Patent KR-20000031193-A (KR)
Title: Method for isolation structure of semiconductor device and preparation of semiconductor device
Inventor: LEE MYEONG GU
IPC: H01L21/762
Filed: 1998-11-04
Abstract: PURPOSE: A method for producing the structure of separating a semiconductor device is provided to solve the problem of reductions of the edge rounding and pattern length and to improve the integration of device. CONSTITUTION: A first mask pattern(402) of a continuous line type to lengthwise is formed on a semiconductor substrate(400). And a trench is formed by etching the semiconductor substrate by suing the first mask pattern, and a line typed active area(402') is formed by eliminating the first mask pattern for filling the trench by using an insulated film(403'). A second mask pattern is formed on the semiconductor substrate for having an opening unit in a certain unit of the line typed active area. Then, a groove(406) is formed by etching a certain part of the line typed active area through the opening unit, and the groove is filled with an insulated film(407) to complete the structure for separating a semiconductor device.
Patent KR-20000031322-A (KR)
Title: Production method of eprom cell
Inventor: LEE JU TAE
IPC: H01L21/8247
Filed: 1998-11-05
Abstract: PURPOSE: A production method of an EPROM cell is provided to improve the coupling ratio of the EPROM cell by increasing the surface area of an insulating layer located between a floating gate and a control gate. CONSTITUTION: To produce an EPROM cell, a field oxidation film(2) is deposited on the upper part of a substrate(1) to define an active area. And, the oxidation film and porous silicon are deposited on the upper part of the active area for being patterned. Then, a floating gate oxidation film(3) and a floating gate(4) are formed on the upper part of the active area defined by the field oxidation film for depositing an oxidation film(8) on the front surface of the upper part of the floating gate. The oxidation film(8) is blank etched to form a groove, which is etched vertically between both ends of the floating gate(4) and the upper side of a bird bill area of the field oxidation film. Then, all the residual oxidation films are removed, and the lower floating gate of the oxidation area is etched to form a vertical groove. Herein, the lower floating gate is remained thinly between the active area and the field oxidation film. Moreover, the porous silicon and the oxidation film are deposited on the upper part of the floating gate having the groove, and a control gate and a control gate oxidation film(5) are formed by patterning.
Patent KR-20000031607-A (KR)
Title: Method for controlling initial volume level in car audio system
Inventor: SHIN JAE KU
IPC: H03G7/00
Filed: 1998-11-07
Abstract: PURPOSE: A method for controlling an initial volume level is to prevent a user from being surprised by an excessively high level of volume and prevent a traffic accident, etc. due to a unintended volume adjustment by the surprised user. CONSTITUTION: A method comparing a last volume level signal and a predetermined volume level signal in response to the power supply signal in a car audio system. When the last volume level signal is lower than the predetermined volume level signal, the car audio system outputs sound at the predetermined volume level. When the last volume level signal is higher than the predetermined volume, the car audio system outputs sound, sequentially amplifying the volume level from the volume level lower than the last volume level to the last volume level. A microcomputer (10) determines whether the last volume level before turning off the audio system is higher than the predetermined volume level. When the last volume level is lower than or the same as the predetermined volume level, the microcomputer (10) controls an electronic volume section (70) so as to output sound at the predetermined level through a speaker (90). The microcomputer also receives an electronic volume signal through a key input section (50) when a user adjusts the key, and controls the electronic volume section (70) so as to output sound at a volume level determined by the user's adjustment.
Patent KR-19990045119-A (KR)
Title: 음극선관용 함침형 캐소드 구조체 및 그 제조방법
Filed: 1998-11-09
Abstract: 본 발명은 용접시 발생하는 펠릿에 함침된 전자방출물질에의 열영향을 제거할 수 있는 음극선관용 함침형 캐소드 구조체 및 그 제조방법을 제공한다. 
     그 캐소드 구조체는, 텅스텐 분말을 가압,소결하여, 전자방출물질을 함침시킨 펠릿(1a)을 펠릿 슬리브(3) 및 히터 슬리브(4)에 고정시켜 제조되는 음극선관용 함침형 캐소드 구조체에 있어서, 상기 펠릿(1a)과 히터 슬리브(4)의 사이에 다수의 돌기(요철부)(2a)가 펠릿(1a)과 결합하여 펠릿(1a)에 부착되도록 일면에 다수의 돌기(요철부)(2a)가 형성된 펠릿고정판(2)과, 그 일면의 다수의 돌기(요철부)(2a)에 결합되어 그 일면에 부착되고, 전자방출물질이 함침되는 펠릿(1a)으로 구성된 펠릿 조립체(1)를 포함하여 구성되는 것을 특징으로 한다.
Patent KR-19990045249-A (KR)
Title: 단상의 디스크 타입 무정류자 직류 모터
IPC: H02K3/28
Filed: 1998-11-13
Abstract: 본 발명은 스테이터 요크의 상부면으로 폐루프형상인 하나의 코일로서 아마츄어 코일을 구비하고, 아마츄어 코일에는 각각 로터 마그네트의 전체 자극수에 1/2의 꼭지점이 형성되며, 각 꼭지점은 동일한 간격을 유지하고, 각 꼭지점을 연결하는 변은 축의 반경방향으로 만곡지게 한 것이며, 이와같은 아마츄어 코일의 각 꼭지점으로부터는 로터 마그네트가 회전하는 방향으로 소정의 각도에는 코깅발생용 돌기가 스테이터 요크로부터 일체로 돌출되게 형성한 단상의 디스크 타입 무정류자 직류 모터에 대한 것으로서, 폐루프형상의 아마츄어 코일에 의해서는 유효 코일 토크를 극대화시키면서 코깅발생용 돌기에 의해서는 최적의 코깅력이 생성되게 하므로서 보다 적은 전류를 소모하면서도 안정된 구동 성능과 조립성이 향상될 수 있도록 하는 것이다.
Patent KR-20000032178-A (KR)
Title: Device and method for automatically adjusting screen brightness of tv
Inventor: KWON TAE HUN
IPC: H04N5/58
Filed: 1998-11-13
Abstract: PURPOSE: A device and a method are provided to reduce eye fatigue caused by viewing for a long time as automatically adjusting a screen brightness according to the level of illumination. CONSTITUTION: A microcomputer(3) receives a level value according to illumination input through a CCD(Charge Coupled Device) sensor(4) and a level detector(5) when a user sets an automatic mode signal through an automatic brightness setting unit(2). Then the microcomputer compares the input level value with the set value and feeds a control signal to an electronic adjuster(6). If the input level value is more than the set value, the microcomputer feeds a low signal to the electronic adjuster. The electronic adjuster lowers current value feeding to a brightness processor in and an image signal processor(9) outputs an image signal from an image IF(Intermediate Frequency) amplifier(8) in which the brightness level is lowered, to a CRT(Cathode Ray Tube)(10). Likewise, if the input level value is less than the set value, the current value goes up and the image signal processor outputs the image signal in which the brightness level goes up, to the CRT.
Patent KR-20000033275-A (KR)
Title: Operating management method of integrated access network using web technology
Inventor: SHIM JAE CHAN
IPC: H04L12/28
Filed: 1998-11-21
Abstract: PURPOSE: An operating management of an integrated access network using web technology is provided to figure out operating management information by using only HTTP and notify a problem to a user through TCP/IP socket communication. CONSTITUTION: An operating management of an integrated access network comprises the steps of: receiving and analyzing a service request or event notification of a user having a permission to access the integrated access network by a system operating management server; storing information search, user management, management of the integrated access network and event notification according to the analyzed result; and changing the service request or event notification to a waiting state.
Patent KR-19990062626-A (KR)
Title: 이온주입 손상이 제거된 반도체 소자의 셸로우정션 형성방법
IPC: H01L21/26
Filed: 1998-11-27
Abstract: 반도체 기판 내부에 존재하는 이온 주입 손상을 복구하여 드레인전류, 문턱전압 및 정션 커패시턴스와 같은 전기적인 특성을 향상시킬 수 있는 반도체 소자의 셸로우 정션 형성방법에 관하여 개시한다.  본 발명은 반도체 기판 내부에 불순물을 주입한 후, 전자빔을 반도체 기판에 조사함으로써 이온 주입된 불순물이 후속되는 열처리 공정에서 반도체 기판 내부의 이온 주입 손상으로 인한 결함에 의하여  확산되는 것을 방지함으로써 반도체 기판 내에 서로 도전형이 상이한 물질층 간의 셸로우 정션을 형성한다. 이로써, 반도체 장치의 고집적화에 상응할 수 있는 셸로우 정션을 형성할 수 있다.
Patent KR-20000038043-A (KR)
Title: Apparatus for controlling defrosting operation by using optical sensor of refrigerator
Inventor: KIM EUN CHAE
IPC: F25D21/00
Filed: 1998-12-03
Abstract: PURPOSE: An apparatus for controlling a defrosting operation by using an optical sensor of a refrigerator is provided to optimally defrost the frost in a chamber installed with an evaporator by driving a defrosting heater after sensing the defrost by an optical sensor installed in the chamber, thereby improving refrigerating efficiency and maintaining freshness of food in the refrigerator. CONSTITUTION: An apparatus for controlling a defrosting operation by using an optical sensor of a refrigerator includes a frost sensing part(20) for supplying or shutting off a normal AC voltage supplied via a control switch(7) to a defrosting heater(9) by a relay operation according to frost in a chamber installed with an evaporator(11), wherein the frost sensing part includes a rectifying circuit(21) for rectifying a predetermined power supply supplied from outside to a predetermined direct current, an optical sensor(22) for supplying or shutting off the direct current supplied by the rectifying circuit by turning on or off operation according to light generated from the evaporator, and a relay(25) for receiving the direct current via the optical sensor and supplying a normal AC voltage supplied via the control switch to the defrosting heater by a relay operation.
Patent KR-20000038328-A (KR)
Title: Method for installing wall type air conditioner
Inventor: KIM JIN IL
IPC: F24F1/00
Filed: 1998-12-05
Abstract: PURPOSE: A method for installing a wall type air conditioner is provided to rapidly install an air conditioner at a precise horizontal state by using a horizontal square plate. CONSTITUTION: A method for installing a wall type air conditioner includes the steps of vertically marking two reference lines with a predetermined width from a through hole formed in an upper center part on an installation plate having a plurality of through holes, contacting the installation plate a proper place of a wall, temporarily fixing the installation plate on the wall by fastening a screw in the through hole, hanging a horizontal bar in the shape of square plate on the screw temporarily fixing the installation plate, fitting the horizontal bar to the reference lines by placing the horizontal bar between the lines by moving the installation plate, completely fixing the installation plate on the wall by fastening screws in the other through holes formed in the installation plate, separating the horizontal bar hang on the screw, and supporting an air conditioner on the installation plate fixed on the wall.
Patent KR-20000038389-A (KR)
Title: Web television set top box having function storing internet address
Inventor: KIM JOO YOUNG
IPC: H04N21/4782
Filed: 1998-12-07
Abstract: PURPOSE: A web television set top box having a function storing an internet address is provided to easily contact to internet as selecting a required URL with a remote controller. CONSTITUTION: A web television set top box having a function storing an internet address includes a detection unit(22), a remote controller(36), a memory(30), and a micom(26). The detection unit detects an internet data from a signal for a television broadcasting. The remote controller generates a large number of key pad signals. The memory stores the large number of internet addresses on each address. The micom stores the internet address to the memory according to the key pad signal, responds to a storage order from the remote controller and stores an internet address data which is detected by the detection unit, and contacts to the internet address stored by the memory according to the selection of the remote controller when a web browser is being operated.
Patent KR-20000039403-A (KR)
Title: Mobile terminal capable of recognizing morse code
Inventor: JANG SOON HWA
IPC: H04B1/40
Filed: 1998-12-12
Abstract: PURPOSE: A mobile terminal capable of recognizing a Morse code is provided to allow a telephone call by the Morse code when a user has a difficulty in concentrating during a drive or walk, by including a Morse code input unit and a Morse code recognition unit each for a communication with the Morse code. CONSTITUTION: A Morse code input button(110) is used for the selection of a Morse code communication and the input of the Morse code. A Morse code recognition unit(110) interprets the Morse code applied from the Morse code input button(110). A key pad(130) is adapted for the input of information to be transmitted after the Morse code communication is selected. A communication processing unit(140) alternatively transmits the transmission information which is interpreted by the Morse code recognition unit(110) and inputted via the Morse code input button(110). A transmitter(150) converts the transmission information from the communication processing unit(140) to voice information and then outputs the converted voice.
Patent KR-20000039555-A (KR)
Title: Ladle filling material for vacuum refining
Inventor: KIM HYO JUN
IPC: C21C7/00
Filed: 1998-12-14
Abstract: PURPOSE: A ladle filling material for vacuum refining is provided to prevent expansion in using basic refractory material and to recycle resources with waste bricks. CONSTITUTION: In a refractory composition of a ladle filling material for vacuum refining, the amount of waste brick is decided depending on particle size of the brick containing over 20wt% of chrome oxide. That is, about 10-20wt% of the waste brick is used in less than 1mm and 10-25wt% of the brick is used in 1-3mm of particle size. 10-25wt% of waste brick is used in 3-5mm and 5-15wt% of the brick is used in over 5mm. 20-30wt% of magnesia clinker and 5-7wt% of polyglycerin is also added to the composition.
Patent KR-19990046238-A (KR)
Title: 현미경의 영상처리시스템용 디지털카메라의 연결장치
IPC: G02B21/36
Filed: 1998-12-21
Abstract: 본 발명은 현미경의 영상처리시스템용 디지털 카메라의 연결장치에 관한 것으로서, 투시부를 통해 관찰되는 피검사체의 허상을 시그널화하여 기억매체에 저장하도록 현미경의 영상처리시스템에 있어서, 중공조절부(16a)의 하단에 결합되는 것으로 축방향에 대해 직각이 되도록 3개 이상의 장착홈(22a)을 방사상으로 형성한 디스크(22)와, 디스크(22)의 중앙에 축방향으로 소정의 길이를 갖고, 외측면에 나사(24a)가 형성된 중공체결부(24)를 일체로 구비한 몸체(20)와; 디스크(22)의 윗면에 얹혀지는 링 형태로 밑면에 형성된 나선형의 제 1조절나사(42)와, 원주 외측면에 마찰력을 증대시키기 위해 형성된 널링부(44)와, 널링부(44)의 중앙에 형성된 다수의 고정수단(48)을 일체로 구비한 가동링(40)과; 장착홈(22a)에 양측면이 삽입되고, 그 윗면이 제 1조절나사(42)가 삽입되도록 형성된 제 2조절나사(32)와, 몸체(20)의 중심쪽으로 향하는 제 2조절나사(32)에 수직으로 연속된 이탈방지부(34)를 일체로 구비한 가동고정구(30)와; 이탈방지부(34)에 고정되는 베이스부(36a)와, 베이스부(36a)에 연속되어 양단으로 갈수록 그 단면적이 작아지며 단차부(36c)를 갖는 만곡형 아암(36b)을 일체로 구비한 안착부(36)로 이루어져 별도의 아답터를 구입하지 않고 여러 현미경에 부착하여 사용할 수 있도록 하는 이점이 있다.
Patent KR-20000041500-A (KR)
Title: Method of reinforcing earth using waste tire
Inventor: CHOI WON YOUNG
IPC: E02D29/02
Filed: 1998-12-22
Abstract: PURPOSE: A method of reinforcing soil using waste tires is provided to elevate confrontation performance against an earthquake and a landslide and stability of a retaining wall and to use an extra space as a drain passage after forming a large through hole in the tire and connecting the through hole to a fixing rope. CONSTITUTION: Three holes(3,3a) are punched on the concrete base. Waste tires(6) having incised upper bead line and side face are placed in a horizontal row while the incised parts face upward. Fixing ropes(4) are inserted to connect left and right through hole(3a) to the central slope facing through hole(3). Sand is filled in the tires. Tires are placed to the needed height. Filtering agents(9) such as coarse sand and gravels are filled in the tires in vertical of a front face wall(7) in the position needing drain of underground water or rainwater to drain the water. Finally, filtering agents(9) such as sand and gravels are filled in the tires and the ambient space after stretching the tires combined to the tire of the front face wall by pulling the tires at the rear of a mound to offer horizontal drain function and the upper part is covered with unwoven fabric to prevent inflow of sand.
Patent KR-19990078519-A (KR)
Title: 네트워크 서비스 시스템 및 방법_
IPC: H04L12/28
Filed: 1998-12-26
Abstract: 본 발명은 보다 안정적으로 보다 고품질의 네트워크 서비스를 제공하기 위한 네트워크 서비스 시스템 및 방법에 관한 것이다. 음성 사서함과 같은 네트워크 서비스를 제공하기 위하여 하드디스크와 같은 저장소를 사용하며, 이러한 저장소는 통신 기능과 데이터 저장/독출 기능을 갖는 자원 관리 프로세서와 결합되어 네트워크 저장소를 구성한다. 네트워크 저장소는 LAN과 같은 통신망을 통해서 네트워크 서비스를 제공하기 위한 프로토콜을 수행하는 복수의 자원 제어기에 결합된다. 복수의 자원 제어기간에 호(call)를 분산시키기 위하여 프론트 엔드 스위치를 두며, 프론트 엔드 스위치 내에는 각 자원 제어기의 상태를 나타내는 시스템 상태 관리 메모리가 있다. 또한, 자원 제어기내에는 임시 메모리가 내장되어 서비스 제공 프로토콜을 수행하면서 가입자 단말기로부터 수신되는 음성 메시지 등의 데이터를 임시로 저장하고, 이미 저장되어 있는 음성 메시지의 청취 서비스의 요청이 예상되는 경우에는 미리 네트워크 저장소로부터 자원 제어기 내의 임시 메모리로 프리페칭(prefetching)이 이루어진다. 또한, 임시 메모리에 저장되어 있는 데이터를 네트워크 저장소에 저장하는 경우에는 자원 제어기와 네트워크 메모리간을 연결하는 LAN과 같은 통신망의 부하 레벨을 고려하며, 또 임시 메모리에 데이터가 저장되고 나서부터의 시간 경과를 감안한 긴급성 등급을 고려하여 데이터 저장을 수행한다.
Patent KR-20000042757-A (KR)
Title: Emergency method of handset
Inventor: KIM SU SEOK
IPC: H04M11/04
Filed: 1998-12-26
Abstract: PURPOSE: A method for an emergency of a handset is provided, a police office connected to a bank, quickly recognizes contents to an emergency and the emergency generated at the bank. CONSTITUTION: A method for an emergency of a handset comprises a memory, a key inputter, a controller, a line driver, and a speaker driver. The method contains processes. The first process is to control the line driver, to connect a call circuit and an external telephone line, and to control the speaker driver, to disable a speaker of a transceiving circuit. The second process is to read an emergency telephone number from the memory, to execute dialing to the telephone number, and to form a speech path with an incoming part, which is corresponded to the telephone number. The third process is to transmit an audio signal of a transmitting part to the incoming part in a single direction until detecting a 'hook off' of the handset, via the speech path. The fourth process is to control the speaker driver, to enable the speaker of the transceiving circuit, and to transceive the audio signals of the transmit/incoming part directionaly, via the speech path.