baber/WOPTO huggingface dataset:
Patent KR-20010047277-A (KR)
Inventor: LIM JONG JIN
IPC: H04Q3/62
Filed: 1999-11-18
Abstract: PURPOSE: A private switchboard for a mobile telephone is provided to use a mobile telephone as an interphone in the ward and it as a mobile telephone in the outside by using a private switchboard. CONSTITUTION: A private switchboard for a mobile phone is composed of a switching part of the private switchboard a repeater for a mobile telephone or an interface of a base station for a mobile telephone.
Patent KR-20010053793-A (KR)
Inventor: JUNG TAE BOK
IPC: H01L21/48
Filed: 1999-12-01
Abstract: PURPOSE: A boat carrier for semiconductor manufacturing process is provided to receive all BGA(Ball Grid Array) packages regardless of kinds or sizes of the BGA package by changing a structure of a boat carrier. CONSTITUTION: A multitude of passing hole(140) is formed to a longitudinal direction of a body(110) of a boat carrier. A loading section(150) is formed at four edge portions of each passing hole(140) of the body(110) in order to support the four edge portions. The loading sections are projected and directed to an inside of the passing hole(140). A stair-shaped loading section(151,152) is formed by bending both end portions of the loading section(150).
Patent KR-20000047935-A (KR)
Inventor: YAMAMOTO YOSHINORI
IPC: C22C38/02
Filed: 1999-12-06
Abstract: PURPOSE: A steel for a spring is provided to have excellent fatigue characteristic while containing a small amount of undeformable inclusions. CONSTITUTION: A 80% of inclusion in a steel for a spring is within a certain range. Herein, the steel is composed of 40-70wt% of SiO2, 10-25wt% of Al2O3, 15-45wt% of CaO, and under 3wt% of MgO. Herein, the melting point of the inclusions is under 1500°C. If the melting point of the inclusions is under 1400°C, it means the inclusions is composed of a certain composition ingredient by 40-70wt% of SiO2, 10-25wt% of Al2O3, 15-45wt% of CaO, under 3wt% of MgO. When the steel for the spring contains the controlled composition, a breakdown caused by the inclusions is prevented.
Patent KR-20000047940-A (KR)
Inventor: DE ANGELIS CLAUDIO
IPC: D07B1/14
Filed: 1999-12-06
Abstract: PURPOSE: A device for detecting the end of service life for synthetic fiber ropes which easily estimates the state of the ropes by simple, visual inspection of the covering of the ropes is provided. CONSTITUTION: In the device for detecting the end of service life for a synthetic fiber rope(1) which has an indicating device(11) indicating the use life and necessity of replacement according to load of the rope and is composed of at least two adjacent concentric strand layers(7, 14) and is made of load-supporting fiber strands(3, 4, 5), the two adjacent concentric strand layers(7, 14) are placed on the opposite direction with each other and the indicating device(11) is installed to detect a rotating position of a rope(1) which has a longitudinal axial line(20) as a center.
Patent KR-20010055051-A (KR)
Inventor: PARK SEONG GIL
IPC: H04B7/005
Filed: 1999-12-09
Abstract: PURPOSE: A device for controlling a power amplifier in a radio terminal is provided to control the power amplifier by considering a response characteristic of a nonlinear amplifier. CONSTITUTION: A memory(100) divides a control section of an amplifier(130) into determined sections according to an output level of the amplifier(130), and stores slope and intercept data according to output level changes of each section. The amplifier(130) amplifies a signal inputted by a determined control signal, and outputs the amplified signal. A controller(100) outputs a determined control signal for controlling the amplifier(130) by the slope and the intercept data.
Patent KR-20010056055-A (KR)
Inventor: KIM BYEONG UK
IPC: H01H33/66
Filed: 1999-12-14
Abstract: PURPOSE: A vacuum interrupter having an insulation container and seal cup bonded brazing layer is provided to reduce a stress and prevent a crack from being generated by increasing brazing thickness between a ceramic insulation container and a seal cup and absorbing the stress, which is caused during a brazing, by the brazing thickness. CONSTITUTION: A metalizing layer and a Ni layer are consecutively formed on an upper surface of a ceramic insulation container. A seal cup is brazed on the insulation container. A surface of the Ni layer which is formed on the upper surface of the metalizing layer becomes uneven, so as to make thickness of a filer being heavier during a brazing. A vacuum interrupter has a brazing layer which is formed by bonding the insulation container and the seal cup. The unevenness of the surface of the Ni layer is formed by a coating with Ni powder or by using a pattern when Ni is plated, so as to have a surface roughness of 3S to 100s. The insulation container is Al2O3 and the seal cup is Ni-Co-Fe alloy.
Patent KR-20000048153-A (KR)
Inventor: DAKEDAHIROMIS
IPC: H01L23/495
Filed: 1999-12-15
Abstract: PURPOSE: A method for fabricating a lead frame and a semiconductor device including thereof is provided in order to provide a lead frame which can assure the electrical stability without being transformed by the inflow of a resin in a step of sealing up the semiconductor device with the resin. CONSTITUTION: A lead frame includes: a first row inner lead(51A) electrically connected to connection electrodes(54) of a semiconductor chip(2) respectively; a second row inner lead(51B) which is connected electrically to the connection electrode of the semiconductor chip and is located on the counter part of the first row inner lead; a first row outer lead(52A) electrically connected to a connection inner lead in the first row inner lead; a second row outer lead(52B) electrically connected to the connection inner lead in the second row inner lead; and a tie bar(53) connecting a first outermost inner lead(51a) of the first row inner lead to a second outermost inner lead(51b) in the second row inner lead. A control plate(101) which comprises a first branch(101A) prolonged from a first outermost inner lead(101a) to a second outermost inner lead(101b) and a second branch(101B) prolonged from the second outermost inner lead to the first outermost inner lead is connected to the tie bar.
Patent KR-20000048154-A (KR)
Inventor: YOSHIKAWA MOTONOBU
IPC: H04N1/113
Filed: 1999-12-15
Abstract: PURPOSE: An image forming device and image reading device using optical-injection device is provided to enhance the capabilities of optical-injection devices which are used for digital copy machines, laser facsimile, and laser-beam printers by using polygon mirror for optical deflector. CONSTITUTION: An image forming device and image reading device using optical-injection device includes the following components. An optical deflector is shifted to an appropriate degree. A sheet of correction lens which is easy for process is used so as to facilitate the correction process of high-capacity optical-injection device as curvature of field or f characteristics. A semiconductor laser(1), an optical deflector, a sheet of correction lens(6) are equipped to the device. A sheet of correction lens is equipped with toric surface. The device enables users to enhance the capabilities of optical-injection devices.
Patent KR-20010056198-A (KR)
Inventor: AHN PYEONG SU
IPC: C09J7/00
Filed: 1999-12-16
Abstract: PURPOSE: An anisotropically conductive film for adhering a circuit is provided which electrically connects each upper and lower circuit of electronic parts and physically adheres the upper circuit to the lower circuit at low temperature for a short period of time. CONSTITUTION: The low temperature hardened and anisotropically conductive film for adhering a circuit comprises: (i) an active adhesive containing an acrylic resin; (ii) a peroxides and an azo compound which are able to harden the acrylic resin; and (iii) metallic powder which gives conductivity to the film, wherein each weight content of the peroxides and the azo compound is 0.1-30% of the acrylic resin. The heat-activation temperature of the film is 60-130 deg.C.
Patent KR-20000062217-A (KR)
Inventor: HUMES MICHAEL
IPC: H04M1/2749
Filed: 1999-12-20
Abstract: PURPOSE: A method for connecting calls is provided for callers to easily call receiving subscribers while driving cars, by storing link lists of directory telephone numbers sequentially related to each other in a terminal, and by sequentially connecting outgoing calls through the directory telephone numbers until the receiving subscribers are connected. CONSTITUTION: An outgoing call connection is started. A processor related to a mobile station decides whether a designated directory number correlates with directory numbers of a specific link list. If so, the processor decides whether the outgoing call connection is successfully performed. If not, the processor decides whether a preset condition or a user instruction related to a link list calling operation is detected. The processor responds to the preset condition to retrieve instructed directory numbers from directory numbers of a decided list. The processor decides whether an additional directory number exists in the link list. If not, the processor completes the link list calling operation or processes an undecided call connection.
Patent KR-20010063629-A (KR)
Inventor: AHN DAE JIN
IPC: A24B15/24
Filed: 1999-12-23
Abstract: PURPOSE: A method for preparing basil extract is provided to give the fragrance of herbaceous and green to cigarette and ease a sharp taste of cigarette. CONSTITUTION: The method is characterized by the following steps of: (i) adding 0-7wt% of polyvalent alcohol such as glycerine or propylene glycol to 100wt% of basil; (ii) treating the plant with 300-700wt% of a water-soluble solvent with ultrasonic waves for 60-180min; (iii) stirring the processed plant for 3-5hr and separating the supernatant from the mixed basil; and then (iv) filtrating and condensing the supernatant to 30-70Be. The water-soluble solvent is a polar solvent chosen among water, ethanol, isopropyl alcohol and Benzyl alcohol.
Patent KR-20010058115-A (KR)
Inventor: JUN YEONG JIN
IPC: E04C3/04
Filed: 1999-12-24
Abstract: PURPOSE: A doorframe installation structure using an architectural channel shape steel is provided to increase the structural stiffness of a doorframe and to prevent the transformation and damage of the doorframe by stiffening the four corners of a panel for the doorframe. CONSTITUTION: A doorframe installation structure using an architectural channel shape steel comprises the steps of: fitting channel shape steels(20) for upper and lower frames with a bearing piece respectively to the upper and lower ends of a door joint dotted on the middle of a panel for a doorframe(P); fitting channel shape steels(10) without the bearing piece in the vertical length of the door joint in a square shape and fitting to the right and left ends of the door joint; and screwing the channel shape steels to the panel for the doorframe.
Patent KR-20010061701-A (KR)
Inventor: WOO YOUNG SUK
IPC: A62C37/08
Filed: 1999-12-28
Abstract: PURPOSE: A fire detector is provided to uniformly maintain a contact interval for a long time. CONSTITUTION: A fixing contact bar(140), an actuating contact bar(120) and a diaphragm(110) are loaded on a chamber plate by integrally forming in a fixing plate(150) and a bracket(130). An actuating contact is stuck to the diaphragm(110) and a diaphragm lead is connected with a circuit plate(18). A buffering groove(35) is formed in the chamber plate(30). Leads of fixing contact bar(141) are fixed in both ends of the fixing contact bar(141). A curved face to be reinforced by an epoxy is formed in the center of the diaphragm(111).
Patent KR-20000052611-A (KR)
Inventor: THEODORE GASMANN
IPC: F16D35/00
Filed: 1999-12-29
Abstract: PURPOSE: A coupling is provided to adapt the advantage of a visco-lock coupling and free from the limitation related with a reaction speed. CONSTITUTION: A storage chamber(29) is mobile by and to a pump housing(20) and formed by an annular piston(31). To connect a pump chamber(27) with the storage chamber and to a pressure chamber(30), such channels as an intake channel(38), a pressure channel(40) and two intake and pressure channels(36,37). The intake channel is formed in the shape of an axial bore in the pump housing. The pressure channel is formed in the shape of a surface groove in the pump housing. The subsidiary two intake and pressure channels are formed in the shape of a C-shaped penetrated hole in a reverse and guiding element(25).
Patent KR-20010065749-A (KR)
Inventor: KIM JAE CHAN
IPC: H01L21/24
Filed: 1999-12-30
Abstract: PURPOSE: A method for manufacturing conductive particles and a structure of conductive particles are provided to improve the reliability of conductive particles by using a flexible structure for lowering the hardness and reducing the stress. CONSTITUTION: Styrene-butadiene rubber particles of 1-30u are formed by using an emulsion polymerization method(S1). The styrene-butadiene rubber particles are separated by using a centrifugal separator or a filter paper(S2). The separated styrene-butadiene rubber particles are cleaned and dried(S3,S4). Conductive particles of a flexible structure are formed by plating nickel or gold on the styrene-butadiene rubber particles(S5,S6).
Patent KR-20010066649-A (KR)
Inventor: KIM YEON HO
IPC: F16H57/031
Filed: 1999-12-31
Abstract: PURPOSE: A case structure for a continuously variable transmission(CVT) is provided to insert and assemble a detent lever and a parking rod from outside, thereby making the assembly of a parking device easy. CONSTITUTION: A hole is formed on the case(50) of a CVT to directly insert and assemble a detent lever(63) and a parking rod(62) for transmitting the parking operation force of a shift lever from outside of the case. On parking, a parking shaft(61) is rotated and moves the parking rod horizontally through the detent lever. The parking rod presses a parking sprag(65) through a parking rod cam(64), thereby restraining the rotation of a driven shaft by being engaged with a parking gear on the driven shaft. Thus, the assembly of a parking device is made easy.
Patent KR-20000035877-A (KR)
Title: Flying optical head with dynamic mirror
Inventor: WILDE JEFFERY P
IPC: G11B7/22
Filed: 1997-08-27
Abstract: PURPOSE: A flying optical head with dynamic mirror is provided to improve the track density of magnetic optical disk, transmitting data speed, and the access time of magnetic optical disk. CONSTITUTION: A magneto optical flying head utilizes a steerable mirror (340) in combination witha light source and a lens to write and read data onto a magneto optical storage disk (180). A beam of laser light transmitted from the light source to the optical head is reflected onto a steerable micro machined folding mirror (340). The reflected light from the folding mirror (340) is directed through an embedded micro objective GRIN lens (420). Fine tracking and short seeks to adjacent tracks are performed by rotating the mirror about an axis of rotation. In this way a focus spot is scanned back and forth in a direction which is approximately parallel to the radial direction of the storage disk.
Patent KR-20000048603-A (KR)
Title: Agent for inhibition of cytokine production and agent for inhibition of cell adhesion
Inventor: CHIHIRO MASATOSHI
IPC: A61K31/506
Filed: 1997-09-29
Abstract: PURPOSE: Provided is an agent for inhibiting the abnormally high production of cytokines or adhesion of neutrophils to vascular endothelial cells, which satisfies the requirements of the art, i.e. an agent for inhibiting cytokine production or an agent for inhibiting cell adhesion. CONSTITUTION: Provided is an agent for inhibiting cytokine production or cell adhesion, comprising at least one compound selected from the group consisting of thiazole derivatives represented by general formula (1), wherein R¬1 is a phenyl group which may have a lower alkoxy group(s) as a substituent(s) on the phenyl ring, and R¬2 is a group represented by general formula (2), wherein R¬3s, which may be the same or different, are each a carboxyl group, a lower alkoxy group or the like, and salts thereof.
Patent KR-20000048714-A (KR)
Inventor: HORCHLERVONLOCQUENGHIEN KLAUS
IPC: C05G3/40
Filed: 1997-09-29
Abstract: PURPOSE: A use of aqueous dispersion from biodegradable polyester as sheathing material for granulated fertilizer is provided to achieve economic efficiency and eliminate problems of toxicity, waste disposal and explosion hazard caused by use of organic solvent while allowing substantial or entire portion of the organic solvent used for copolyester dispersion to perform such dispersion at a time. CONSTITUTION: An aqueous dispersion is constituted by 20 to 90 weight percent of water; a mixture containing (a1) a mixture containing 10 to 95 mol-percent of aliphatic dicarboxylic acid, cycloaliphatic dicarboxylic acid and ester-forming derivative or a mixture thereof, 5 to 90 mol-percent of aromatic dicarboxylic acid and ester-forming derivative or a mixture thereof, and 0 to 10 mol-percent of sulfonate-containing compound or a mixture thereof, (a2) dehydroxy compound, amino alcohol, or a mixture thereof, (a3) 0 to 20 weight percent of ester-forming compound having three or more groups, wherein repeat unit derived from (cyclo)aliphatic and aromatic carboxylic acid is randomly distributed, copolyester has a viscosity of 5 to 450ml/g, and the amount of the sulfonate-containing compound and the ester-forming compound is not zero, respectively.
Patent KR-20000049129-A (KR)
Title: Filter material production process
Inventor: OEHLER WILLIAM F
IPC: B01D39/16
Filed: 1997-09-22
Abstract: PURPOSE: A process for the production of filter material is provided which has a high sorbent particle density and is formed from an open-pore foam support body. CONSTITUTION: An open-pore polyurethane foam support body (20) is impregnated in a single step with a solution of a thermoplastic adhesive dissolved in a solvent that is also a foam expander, or in two sequential steps first with a foam expanding solution and then, after the foam has expanded, with a solution of a thermoplastic adhesive, to form an adhesive layer (40) on the surfaces (25) within the pores (22) and passages (24) of the foam body. Sorbent particles (30) of activated carbon are introduced into the expanded pores until the expanded foam is packed to the desired density of carbon particle loading. The impregnated and loaded foam is then air dried at room temperature to evaporate the foam expanding solution until the foam body contracts to substantially its original volume. Following air drying, the foam body can be heated in an inert atmosphere at a sufficient temperature and for a sufficient time to remove any solvent that still can be coating the exposed surfaces of the activated carbon particles and also to soften the adhesive layer to further strengthen the resultant bonding of the activated carbon particles to the foam support body. The foam filter material (10) is unique in that at least a portion of the activated carbon particles (30) are mechanically bonded to the foam support body (20) by a mechanical locking resulting from the shrinkage of the expanded foam body about the particles (30), while at least portion of the activated carbon particles (30) are adhesively bonded to the foam support body (20) by the adhesive layer (40). A significant portion of the activated carbon particles (30) are both mechanically and adhesively bonded to the foam support body.
Patent KR-20000062250-A (KR)
Title: 폴리알콜의 제조 방법
IPC: C07C45/75
Filed: 1997-12-04
Abstract: 본 발명은 촉매로서 3 급 아민을 사용하여 2 내지 24 개의 탄소 원자를 함유하는 알데히드와 포름알데히드를 축합시켜 화학식 (II)의 화합물을 형성시키고, 이를 수소화시켜 화학식 (I)의 폴리메틸롤 화합물을 제조하는 방법에 있어서, 
     (a) 제1 (반응) 단계로서, 촉매로서 3 급 아민의 존재하에 2 개 이상의 탄소 원자를 함유하는 알데히드와 2 내지 8 배 몰량의 포름알데히드를 반응시키고, 
     (b) 제2 (분리) 단계로서, 반응 혼합물을 주로 화학식 (II)의 화합물을 함유하는 바닥 생성물과 주로 미전환 또는 부분적으로 전환된 출발 물질을 함유하는 증류 스트림(이를 제1 단계로 재순환시킴)으로 분리하거나, 상분리 장치를 사용하여 제1 단계로부터의 반응 혼합물을 수상과 유기상으로 분리하여, 유기상을 제1 단계로 재순환시키고, 
     (c) 제3 (반응 후) 단계로서, 제2 단계로부터의 바닥 생성물 또는 상분리에 의하여 제2 단계에서 수득한 수상을 접촉 및(또는) 열처리하여, 불완전하게 메틸롤화된 화학식 (III)의 화합물을 상응하는 화학식 (II)의 화합물 및 상응하는 화학식 (IV)의 화합물로 전환시키고, 화학식 (IV)의 화합물 및 미전환 포름알데히드를 함유하는 증류 조작의 오버헤드 생성물을 제1 단계로 재순환시키고, 실질적으로 화학식 (II)의 화합물을 함유하는 상기 증류 조작의 바닥 생성물을 공지된 방법으로수소화시켜 상응하는 화학식 (I)의 최종 생성물을 수득하는 것을 특징으로 하는 방법에 관한 것이다. 
     〈화학식 I〉 
     
       
     
     〈화학식 II〉 
     
       
     
     〈화학식 III〉 
     
       
     
     〈화학식 IV〉 
     
       
     
     상기 식에서, 
     R은 1 내지 22 개의 탄소 원자를 함유하는 메틸롤기 또는 알킬기, 또는 6 내지 22 개의 탄소 원자를 함유하는 아릴 또는 아르알킬기이고, 
     R'는 수소 또는 상기 R의 의미와 동일하다.
Patent KR-20000076006-A (KR)
IPC: B65G67/24
Filed: 1998-03-05
Abstract: 본 발명은 화차(6)에 컨테이너(7)를 적재 및/또는 화차(6)에서 컨테이너(7)를 제하하는 터미널(7)에 관한 것이다.  상기 터미널(7)은 적재 및/또는 제하 구역과, 이 적재 및/또는 제하 구역을 따라 그에 인접하게 설치되고 이 구역 보다 더 높은 높이에 있는 적재 및/또는 플랫폼(4, 5)을 포함한다.  상기 적재 및/또는 제하 플랫폼(4, 5)에는 상기 적재 및/또는 제하 구역을 향해 개방되는 슬롯(50)이 제공되고, 이들 슬롯(50) 사이의 간격은 적재 또는 제하되는 컨테이너(7)의 길이보다 작다.  각 슬롯(50)에는 빔 형태의 지지체(52)가 제공되는데, 이 지지체는 상기 적재 및 제하 플랫폼(4, 5) 내로 완전히 후퇴된 경우의 지점과, 본질적으로 적재 또는 제하되는 화차(5)의 폭 만큼 돌출되는 경우의 지점 사이에서 슬롯(50)의 종방향으로 이동될 수 있다.  본 발명에 따른 터미널(1)은 다리가 펼쳐진 상태로 서 있는 컨테이너를 플랫폼에 평평하게 내려 놓는 터미널에도 사용될 수 있다.
Patent KR-20000076053-A (KR)
Title: 박리성 필름을 사용한 효소의 국소적 적용
IPC: A61K8/66
Filed: 1999-01-08
Abstract: 본 발명은 효소가 적용후, 이를 테면, 폴리비닐알콜필름과 같은 박리성 필름에 내포되는, 효소의 국소적 적용을 위한 방법을 개시한다. 이 방법으로, 효소함유 가루입자의 적용부위로부터의 이탈은 방지된다.
Patent KR-20010020130-A (KR)
Title: 가스의 계측제어를 이용한 기판 처리장치
IPC: C23C16/455
Filed: 1998-04-01
Abstract: 본 발명은 기판 처리실(86)로 가스를 유입시키는 방법에 관한 것이다. 기판 처리실(86)로 가스를 유입시키는 방법은 가스 계측부(57)에 제1 지정압력을 갖는 가스를 채우는 단계, 제1 지정압력을 유지하기 위하여 가스 계측부(57)를 차단하는 단계, 및 기판 처리실(86)로 가스 계측부(57)를 개방하는 단계를 포함한다. 가스 계측부(57)가 기판 처리실(86)로 개방되는 경우, 가스 계측부(57) 내부의 가스는 기판 처리실(86)로 확산되어 기판 처리실(86)이 제2 지정압력을 갖도록 한다.
Patent KR-20010012293-A (KR)
IPC: H05K13/08
Filed: 1998-05-04
Abstract: 인쇄 회로 기판 및 집적 회로의 검사를 위한 부품 검사 및 교정 방법은, 투면 레티클(20)위에 배치된 정밀 패턴 마스크(도 4)를 영상화하는 카메라(10)를 포함한다. 작은 부품(30)들은 검사될 투명 레티클(20)위에 놓여진다. 오버 헤드 반사경이나 프리즘(40)은 부품(30)의 측면 뷰를 카메라(10)의 검사를 위해 반사한다. 부품(30)의 영상은 삼각 측량되고, 그 결과 시스템의 크기는 교정될 수 있다. 도트 패턴을 갖는 정밀 레티클 마스크(도 4)는 교정을 위하여 필요한 추가의 일련의 정보를 제공한다. 하나 이상의 도트 패턴을 영상화함에 의해, 잃어버린 상태값들을 반복되는 삼각법의 해결 방법을 사용하여 해결될 수 있다. 이 광학 시스템은 모든 투시도에 대한 영상들을 추가의 포커싱 장치없이 포커스하기 위하여 고안된다.
Patent KR-20000018045-A (KR)
Title: Handsfree apparatus combined use for portable audio reproducing apparatus and wireless telephone which is capable of auto-switching by detection of telephone signal
Inventor: MYUNG TAE SUNG
IPC: H04B1/38
Filed: 2000-01-06
Abstract: PURPOSE: An apparatus enables the reception of a wireless telephone as hearing an audio apparatus by outputting as selecting one signal of either the audio apparatus or the wireless telephone automatically according to the detection of a received signal as being connected with the portable audio apparatus and the wireless telephone at the same time. CONSTITUTION: A handsfree apparatus has a first and a second plug(10, 20) to connect to the cellular phone and to the audio apparatus respectively. The two plugs are connected to ear phones(16, 18) through a SWitching circuit(114). A detection circuit(30) outputs a SWitching control signal by detecting the received signal of the cellular phone. The SWitching circuit connects the output line of the second plug to the ear phone during the received signal of the cellular phone is not detected. Therefore, at this state the replayed sound of the audio apparatus is outputted through the ear phone. If the detection circuit outputs a SWitching control signal(1) by detecting the reception of the cellular phone, the SWitching circuit connects the output line of the first plug to the ear phone and a melody part(60) informs a user of the reception by outputting a melody. Then, the user can speak by the telephone using a microphone(12) and the ear phone after SWitching the cellular phone from a reception standby mode to a speak mode by pushing a contact SWitch(SW1).