baber/WOPTO huggingface dataset:
Patent KR-20010055592-A (KR)
Inventor: KIM SANG HO
IPC: B60R5/04
Filed: 1999-12-11
Abstract: PURPOSE: A package tray structure prevents baggage from freely moving in a trunk room. CONSTITUTION: A package tray structure comprises a package tray(10), a supporting panel(20) and an accommodating member(30). The package tray(10) isolates a trunk room of a car from a car room and prevents the articles in the trunk room from being exposed to outside. The supporting panel(20) is installed on the rear side of the package tray(10) and has a fixing part(21) formed on the middle of the body thereof. The accommodating member(930) is installed under the supporting panel(20) attached to the package tray(10) and fixed by an engaging device(40) and has multiple pockets(31) on the front surface of the body thereof.
Patent KR-20010056782-A (KR)
Inventor: KIM HYEON SU
IPC: H01L21/28
Filed: 1999-12-16
Abstract: PURPOSE: A method of forming a gate of a semiconductor device is provided for the formation of a gate by a damascene process to effectively prevent from the dishing phenomenon occurring in a gate of a relatively large width. CONSTITUTION: A gate oxidation layer(20) and a sacrificial layer are subsequently formed on the semiconductor substrate where first and second regions are defined. The sacrificial layer and the gate oxidation layer are patterned into the form of a gate to make the sacrificial layer in the first region(A) have a relatively narrow width and that in the second region(B) have a relatively broad width. After an interlevel insulation layer(30) is deposited on the overall surface of the substrate, its front surface is all etched to expose the surface of the sacrificial layer patterned. The sacrificial layer exposed is removed to expose a gate-shaped hole. A gate-use metal layer(40) is formed on the interlevel insulation layer to be buried in the hole exposed. The metal layer is etched to form a trench on the metal layer over the interlevel insulation layer. The metal layer is all etched to form a narrow width of gate(40A) in the first region and a broad width of gate(40B) in the second region.
Patent KR-20010064807-A (KR)
Inventor: KIM SEON JEONG
IPC: G06F9/00
Filed: 1999-12-18
Abstract: PURPOSE: A process dynamic controller and a method thereof are provided to control a process in real time, and to promptly redrive the process in case that the process is abnormally terminated by controlling process information every time an execution state of the process is changed. CONSTITUTION: A process dynamic controller is composed of a process redriver(301), a processor monitor(302), a process terminal(303), a process reredriver(304), a process driving information storage(305) and a process information table(306). The process redriver(301) generates and executes an application process and records execution information on the application process in the process information table(306). The process monitor(302) refers to the process information table(306). The process terminal(303) performs a function for terminating processes under execution. The process reredriver(304) performs a function for reexecuting a process terminated. The process driving information storage(305) includes execution program information which each application process would execute. The process information table(306) maintains information on IDs of each process, an execution state, a termination state, an abnormal state and so on.
Patent KR-20000048263-A (KR)
Inventor: LABORD PASCAL
IPC: H01J9/24
Filed: 1999-12-20
Abstract: PURPOSE: A method for fabricating opaque ribs for a display panel such as a plasma addressed liquid crystal display is provided not to leave a residual layer formed of opaque material between the ribs. CONSTITUTION: A method for fabricating an opaque rib structure for partitioning channels of a display panel includes a step of filling rib pattern preformed in an intaglioed collector(201) with rib material(202) such as glass paste including a plastic medium, a step of applying the rib material(202) in the intaglioed collector(201) to a substrate(204), a step of removing the medium from the rib material(202) to form a porous rib structure, and a step of dipping the rib structure into a solvent containing an opaque pigment. In an alternative fabrication method of the rib structure, a temporary mask having a preformed rib pattern is used. The temporary mask covers the substrate, and a glass paste layer composed of the plastic medium and at least one opaque pigment mixed with the medium is then applied to the mask. Next, a residual paste material and the mask are removed.
Patent KR-20010057227-A (KR)
Inventor: RYU HEE SONG
IPC: A24F19/14
Filed: 1999-12-20
Abstract: PURPOSE: Provided is an ashtray comprising an ash chamber, a water chamber for extinguishing cigarette and a cigarette-butt holding box, which can maintain the circumference of the ashtray clean and be also used for decoration. CONSTITUTION: The ashtray includes an ashtray body(5) having a lighter holding part(3) with a handle at the front and a drawer type of cigarette-butt holding box(4), a drawer-type ash collecting box(8) removably installed at the top of the body and divided into a water chamber and an ash chamber, a top body(10) being placed at the upper part of the body and the ash collecting box and having a plurality of doors(9) slid from side to side to be open and shut and handles(2), and a cigarette-but inlet tube(11) vertically installed at one side of the top body for feeding the extinguished cigarette-but into the holding box(4).
Patent KR-20010063528-A (KR)
Inventor: BAE YEONG HEON
IPC: H01L21/336
Filed: 1999-12-22
Abstract: PURPOSE: A method for forming a metal electrode of a memory device is provided, which etches an electrode of a W/WN(x)/Polysilicon structure with a TCP(Transformer coupled Plasma) method without a side wall notching and a step profile and the generation of a residue. CONSTITUTION: A polysilicon film(202) and a tungsten nitride film(203) and a tungsten film(204) are stacked on a substrate(201) in sequence, and a nitride film(205) is formed thereon as a hard mask. Then, after forming a photo resist as a gate mask, the nitride film is etched using the photo resist as a mask. Then, the photo resist is stripped. After dry-etching the photo resist by an oxygen plasma, a polymer is completed removed in a BOE(Buffered Oxide Etchant) solution. Then, the W/WN(x)/Polysilicon film is etched using the nitride film as an etch mask, using an etching facility of TCP method.
Patent KR-20010063541-A (KR)
Inventor: JUNG GI HONG
IPC: C21B7/12
Filed: 1999-12-22
Abstract: PURPOSE: A system and a method for controlling a mud gun are provided to solve demerits of manual adjustment of the retreat of the mud gun, operator's arbitrary judgement of calcining of a mud material and large energy loss by sensing a temperature of the mud material, thereby grasping the time point that the mud material filled and sealed in the tapping hole, and automatically retreating the mud gun so that an obstacle is sensed when retreating the mud gun. CONSTITUTION: In a system for controlling a mud gun (200) for closing a tapping hole (101) of a blast furnace, the comprises a temperature detector (306) installed at the front part of the mud gun (200) for sensing the calcining state of a mud material filled and sealed in the tapping hole (101); a plurality of weight detectors (303,304,305) installed at the lower part of a weight sensing plate (302) for sensing obstacles existing within the retreat rotational radius of the mud gun (200); a selection switch (201) attached to a desk panel of the operating room for selecting the operation of the mud gun (200); a process computer (301) for calculating average weights of obstacles detected by the weight detectors (303,304,305); an alarm lamp (307) attached to the mud gun (200) for informing alarm when detecting the obstacles; and a control part (300) for controlling the operation of the system.
Patent KR-20010057482-A (KR)
Inventor: YOO JAE YU
IPC: F04B49/00
Filed: 1999-12-23
Abstract: PURPOSE: A detection circuit of instantaneous stroke of a linear compressor is provided to improve control performance by controlling instantaneous stroke. CONSTITUTION: An instantaneous stroke detection circuit of a linear compressor comprises a current detecting unit(21) detecting current applied to a linear compressor, a voltage detecting unit(22) detecting voltage applied to both terminals of the linear compressor, a speed calculating unit(23) calculating speed by using the detected current and voltage, a speed/voltage converting unit(24) converting the speed to voltage, a half-wave rectifying unit(25) outputting half-wave rectified speed wave, an amplifying unit(26) amplifying the half-wave rectified speed wave, a low pass filter(27) obtaining an instantaneous stroke by passing the half-wave rectified speed wave through a low band, and a microcomputer(28) controlling current supplied to a linear compressor by comparing the instantaneous stroke with a predetermined stroke command value. If the instantaneous stroke is higher than the command value, the microcomputer reduces voltage supplied to the linear compressor and speed of the linear compressor is reduced. Otherwise, voltage supplied to the compressor is increased to accelerate speed of the compressor.
Patent KR-20000017882-A (KR)
Inventor: YOON GUL JOONG
IPC: A61M1/10
Filed: 1999-12-27
Abstract: PURPOSE: An internal implantable left ventricular assist device allows an internal blood sac to have active deflection by an external mechanical force and thereby simplify blood communication. CONSTITUTION: The left ventricular assist device comprises: a blood sac(1), a propellant plate (3) for stroking the blood sac(1), a driving unit for the propellant plate(3), and upper and lower casings(8)(9). The driving unit comprises a motor, an electric motor unit for converting the rotational motion of the motor to a linear motion, and a housing(14). The electric motor unit comprises: a motor axis(16) provided with a spur gear at the one end thereof; three planetary gears(12) geared with the spur gear provided at the one end of the motor axis(16); a planetary gear cage(17) provided with a hole(18) at an angle of 120 degrees and a central hole(19); an inner gear(5) having gear teeth in the inner circumference thereof being in contact with the planetary gears(12), the inner gear(5) being fixed to the inner surface of the housing; a spur gear(4) fixed in the central hole(19) of the planetary gear cage(17); a rotating axis(22) having the one end thereof to which a large spur gear(20) geared with the spur gear(4) is fixed; disc plates(21)(23) fixed to the outer side of the large spur gear(20) and the other end of the rotating axis(22); and a link(13) eccentrically provided on the outer side of the large spur gear(20).
Patent KR-20010065728-A (KR)
Inventor: KIM SANG YEOL
IPC: C08L77/00
Filed: 1999-12-30
Abstract: PURPOSE: Provided is the composition of polyamide resin which is used as wheel cover of the automobile. CONSTITUTION: Polyamide resin used in this invention is polyamide 66 and is represented by chemical formula 1, where n is integers ranging 200-15,000. The composition is comprised of polyamide 66 resin 48-82 wt.%, polyamide copolymer resin 10-30 wt.%, thermoplastic rubber elastomer 5-15 wt.%, graft copolymer 3-7 wt.% and further 0.2- 0.6 wt. part of styrene-anhydrous maleic acid copolymer is added to 100 wt. part of above mixture. The composition is characterized in that the above polyamide copolymer resin is made by one or more components selected from lactams and aminocarboxylic acids, from diamines and from dicarbonic acids; has the relative viscosity of 3.0-4.3(as a solution containing 1g of polyamide 66 in 100ml of 96% sulfuric acid at 20°C); the thermoplastic rubber elastomer is grafted with 0.4-10 wt.% of anhydrous maleic acid and a copolymer containing ethylene-propylene-diene; and the graft copolymer is methylmethacrylate, butadiene and styrene resins. The composition has shear viscosity of 205-40Pa.sec in the shear range of 1,000-4,000s-1.
Patent KR-20010058800-A (KR)
Inventor: LEE SEOK GEUN
IPC: H04B1/38
Filed: 1999-12-30
Abstract: PURPOSE: A communication device using bluetooth is provided to implement separately a data communication terminal and a voice communication terminal by using the bluetooth. CONSTITUTION: The device comprises a cellular phone body(2) and a bluetooth portable device(4). The cellular phone body(2) is implemented that it is mainly used to data communication and the bluetooth portable device(4) can use private voice communication. The cellular phone body(2) has a built-in bluetooth module and in the body(2), a motor and a speaker etc. are removed. The cellular phone body(2) has a larger display unit(224) as compared with the conventional art. A key input unit(223) is provided with the lower portion of the larger display unit(224). The bluetooth(4) is smaller than the cellular phone body(2).
Patent KR-20000068318-A (KR)
Title: 소자 회로 및 소자 방법
IPC: H04N9/29
Filed: 1998-04-20
Abstract: 본 발명에 따른 소자 회로는 교류 주 전압(Vac)을 수신하는 입력 단자들(it1,it2)을 포함한다. 소자 (消磁) 코일(Ld)과 스위칭 수단(S1)의 직렬 배열이 입력 단자들(it1,it2) 사이에 접속된다. 측정 회로(3)는 상기 소자 코일(Ld)을 통해서 소자 전류(Id)나 교류 주 전압(Vac)의 실제값을 나타내는 값(Ms)을 연속으로 측정한다. 검출 회로(2)는 상기 실제값(Ms)이 소정값(Vref2)을 교차하는 레벨 크로싱 순간(ts)을 검출한다. 제어 회로(1)는 상기 레벨 크로싱 순간(ts)에 상기 소자 전류(Id)나 상기 교류 주 전압(Vac)의 실제값과 관련된 상기 소자 전류(Id)의 피크값을 발생하기 위해 상기 레벨 크로싱 순간(ts)에 따라 상기 스위칭 요소(S1)의 스위칭 순간(tei,tstv)을 결정한다.
Patent KR-20000057552-A (KR)
Title: Heatable rubber body
Inventor: GLAGOW KLAUS DIPL ING
IPC: B60J10/15
Filed: 1997-12-04
Abstract: PURPOSE: A heatable rubber body is provided which is manufactured in a simple manner economically, a problem-free heating and sealing effect can be guaranteed. CONSTITUTION: A heatable rubber body (10), in particular a sealing profile or rubber hose, is made of an extruded rubber elastic material and has electric heating means that can be connected with an appropriate voltage source. In one embodiment of the invention, the electric heating means have at least one area (19) co-extruded in the rubber body (10) and designed as an electric resistance by admixture of a conductive material to the rubber elastic material. In a second embodiment of the invention, the electric heating means can include a conductive layer which is designed on at least one area of the rubber body (10) as an electric resistance. In both cases, the resistance area (19) designed as an electric resistance is coated with an outer insulating layer (18).
Patent KR-20000069612-A (KR)
Title: 밀봉된 세라믹 반사 하우징이 내장된 무전극 램프
IPC: H01J65/04
Filed: 1997-12-16
Abstract: 본 발명은 플라즈마 광원(light source)를 사용하면서 강렬한 광선을 생산하는 향상된 고효율 램프장치에 관한 것이다.  이 장치는 무전극 램프 바디, 바람직하기로는 세라믹 또는 열저항 물질과 같은 것을 포함한다.  램프바디는 램프내부를 둘러싸며 요형으로 되어 있다. 
     투명유리판는 하우징(housing)의 말단부에 봉합된다.  충전물(fill)은 램프바디의 내부에 포함되어져 있다.  충전물은 플라즈마 광원을 생성하기 위해 여기되어 질 수 있는 바람직하기로는 유황 또는 셀레늄 또는 이들의 화합물로 되어져 있다. 
     램프바디는 반사면을 가지는 요형으로 이루어져 있다.  전극들은 램프바디공동(Lamp Body 空洞)에서 가스가 여기되도록 하고 강한 열(약 800℃-1200℃) 및 강한 광선을 증가시키는 플라즈마 광원를 생성시킬 수 있는 고주파에너지(RF or Microwave)를 생산하기 위하여 램프바디의 외부에 위치한다.  이러한 까닭에서 사용되어지는 것과 같이, 이러한 고주파는 벌브(bulb)에서 충전물을 여기시키기에 충분한 주파수범위(예를들어 약 150 MegaHertz - 10 Gigahertz 또는 다른 적당한 주파수)를 의미한다. 
     투명(예를들어 유리, 수정, 사파이어, 또는 어떤 광학적인 투명 물질)판은 하우징내에 가스를 밀봉시키며 광이 하우징으로 부터 빠져나갈 수 있도록 한다. 
     프릿 실(frit seal)은 외면의 가장자리에서의 램프바디와 유리렌즈의 외면 사이를 연결하는데 사용되어진다.  유리렌즈는 바람직하기로는 수정판 및 투명하고 고온에서도 견딜 수 있는 물질과 같은 것으로 이루어져 있다.
Patent KR-20000070110-A (KR)
IPC: H01M50/491
Filed: 1998-01-14
Abstract: 본 발명은 멜트블로운 초미립 중합체 섬유로부터, 섬유를 처리제로 처리하여 이들을 영구적 습윤성으로 하여 제조되는 재결합 전지 분리기 패드에 관한 것이다.  상기 섬유의 10 % 이상은 1 μ 미만이고, 대부분의 섬유는 직경이 5 μ 미만이다.  매트는 90 % 이상의 액체 다공도 및 1.0 ㎡/g 이상의 표면적을 갖는다.
Patent KR-20010005826-A (KR)
IPC: C07D303/04
Filed: 1998-03-20
Abstract: 치환된 분자체를 바람직하게는 고온 및 증기상에서 티타늄 테트라할리드와 같은 반응성 티타늄 화합물로 처리하여 유용한 촉매 조성물을 제조한다.   상기 분자체 출발 물질은 실리콘 및 티타늄 산화물 이외에 텔루륨, 보론 또는 게르마늄 산화물을 포함한다.   본 발명 촉매 조성물 및 과산화수소 또는 유기 과산화물과 같은 산화제를 이용하여 올레핀을 효율적으로 에폭시화물로 전환시킬 수 있다.
Patent KR-20010005842-A (KR)
Title: 폴리이소시아네이트 기재 크세로겔
IPC: C08G18/02
Filed: 1998-03-02
Abstract: 이소시아네이트-반응성기 함유 (공)중합체의 존재하에 유기 용매 중에서의 유기 폴리이소시아네이트의 삼량체화, 겔화 및 얻어진 졸-겔의 건조 단계에 의한 폴리이소시아네이트-기재 크세로겔의 제조 방법.
Patent KR-20010075930-A (KR)
Title: Amplifering device of mobile communiction base station system having an output stabilized function
Inventor: HUH CHEOL
IPC: H04B7/155
Filed: 2000-01-21
Abstract: PURPOSE: An amplifying apparatus for a mobile communication base station system having an output stability function is provided to prevent the saturation state of an amplifying terminal and improve an output characteristic of the amplifying terminal by detecting a last output of the amplifying terminal, comparing the detected output value with a reference value, and adjusting an input level of an amplifier. CONSTITUTION: A modem(4) modulates a communication information signal inputted from a base station controller(3). A transceiver(5) converts the communication information signal outputted from the modem(4) into an RF signal. A power amplifying terminal(6) amplifies the communication signal of the transceiver(5) at a uniform level. An output signal detecting unit(7) detects an output of the power amplifying terminal(6), compares the detected output value with a reference value, and outputs a variable output control signal according to the compared result. A variable control unit(8) varies an input level of the communication signal inputted to the power amplifying terminal(6) according to the variable output control signal of the output signal detecting unit(7). A CPU(9) controls functions of a transmitting board(1) including the transceiver(5).
Patent KR-20000057787-A (KR)
Inventor: ISHIDA DAKUYA
IPC: G11B19/20
Filed: 2000-01-21
Abstract: PURPOSE: A magnetic record player and a semiconductor integrated circuit device for driving the same are provided to set functions of the semiconductor integrated circuit device on a test mode by inputting a test signal into a terminal which is used for ordinary operation. CONSTITUTION: A semiconductor integrated circuit device is powered on. A test signal is inputted into a clock output terminal(6) when a control circuit(2) is on. ON/OFF control signal is set Low so that a signal of Low is transmitted from a control unit(14) through a buffer(17) into a gate terminal(G) of a latch circuit(15). So, the test signal which is transmitted to an input terminal(D) via a buffer(9) is transmitted to the control unit(14) from an output terminal(Q). Test mode is identified by transmitting test signal into the control unit(14) and ON/OFF control signal is set Hi so that operation of the latch circuit(15) is stopped and at the same time clock is transmitted into a clock output terminal(6) via an AND circuit(16) and a buffer(8) to be output.
Patent KR-20000062506-A (KR)
Title: 용장메모리회로를 갖는 반도체 메모리장치
IPC: G11C29/00
Filed: 2000-01-26
Abstract: 본 발명의 반도체 메모리장치는, 기본 메모리 (110, 110b) 내의 결함 비트셀을 식별하기 위한 비휘발성 메모리 (200) 로부터 기입된 태그 (TAG) 정보를 저장하고 비트 단위로 상기 결함 비트셀을 치환하기 위한 복수의 메모리셀 (데이터) 을 제공하는 구제용 메모리셀 어레이 (201); 외부 어드레스를 인덱스부와 태그부로 배분하는 어드레스 변환기 (203); 상기 인덱스부를 디코딩하고 워드라인 신호를 메모리셀 어레이 (201) 로 출력하는 디코더 (202); 배분된 태그부와 상기 디코더 (202) 의 출력된 워드라인 신호에 의해 특정된 메모리셀 어레이 (201) 내부의 태그 정보를 비교하는 비교기 (204); 및 상기 비교기 (204) 로부터 출력된 히트 플래그에 기초하여 기본 메모리 (110, 110b) 내의 메모리셀과 메모리셀 어레이 (201) 내의 메모리셀 중 어느 하나를 선택하여 외부와 접속시키는 셀렉터 (205) 를 구비한다.
Patent KR-20010083297-A (KR)
Title: method for fabricating nitride light emitting device
Inventor: CHOI YUN HO
IPC: H01L33/02
Filed: 2000-02-10
Abstract: PURPOSE: A method for manufacturing a nitride light emitting device is provided to prevent incomplete growth at an interface by growing every nitride in a nitrogen atmosphere, and to effectively perform a p- doping process by minimizing depletion of a nitrogen atom on the nitride. CONSTITUTION: The first semiconductor layer, an active layer and the second semiconductor layer are formed on a substrate at respective predetermined temperatures and in an atmosphere of N2 and NH3. The respective temperatures are decreased in a nitrogen atmosphere or a mixture atmosphere of nitrogen and inert gas.
Patent KR-20000024417-A (KR)
Inventor: HAN IM TAEK
IPC: G06Q30/00
Filed: 2000-02-12
Abstract: PURPOSE: A method of induction for netizen to visit web site is provided to administer excellent web site by smoothing interest and induction of netizen to access who access Home Page, that is, web site built in World Wide Web of a kind of internet. CONSTITUTION: The method to induce netizen to visit web site comprises 4 steps; (1)record netizen's personal records and give ID and Password to netizen and enlist them as the membership (2)install e-money image in Home Page of internet site to be found by netizen (3)find whether the netizen is enlisted if the netizen click the e-money image (4)provide amount for the e-money image to the netizen, if the netizen is identified as the member.
Patent KR-20000036344-A (KR)
Inventor: JANG DEUK KUL
IPC: G06F17/22
Filed: 2000-02-12
Abstract: PURPOSE: A method for using Korean language as an internet domain name is provided to use the internet with only the Korean in Korea. It also gives the domain name variety so that if necessary, the English domain as well as the Korean domain can be used together. CONSTITUTION: A network information center(NIC) assigns associations of some characters which can be used as a domain name as a mother language. The Korean consonants, vowels, and numbers have their own corresponding codes respectively which consist of two numbers. The Korean domain name are converted into the defined codes. The changed codes are joined with the above association of characters and it becomes a registered domain name at last.
Patent KR-20000076713-A (KR)
Title: 층간 절연막을 형성하기위한 방법 및, 반도체 장치
IPC: H01L21/316
Filed: 2000-02-23
Abstract: 층간 절연막을 형성하기위한 방법은 밝혀졌다. 이 방법은: 피형성체 위에 첫 번째 절연막을 형성하고, 막은 최소의 H 2 O, C, 탄화수소로부터 선택된 것을 포함하며; 첫 번째 절연막으로부터 H 2 O, C, 탄화수소를 배출하기 위한 열처리 수행에 의하여 다공성을 갖는 첫 번째 절연막을 형성하며, 다공성을 갖는 첫 번째 절연막위에 두 번째 절연막을 형성하는 단계를 포함한다.
Patent KR-20010084524-A (KR)
Inventor: YEO TAE YEON
IPC: H01L21/76
Filed: 2000-02-26
Abstract: PURPOSE: A method for forming an isolation region of a semiconductor device is provided to improve a topology problem in a wide width region of a trench and a void problem in a narrow width region of the trench after performing a planarization process. CONSTITUTION: A semiconductor substrate(11) for forming an isolation region is exposed by forming a hard mask including an oxide layer(12) and a nitride layer(13) on an upper portion of the semiconductor substrate(11). A trench is formed by etching the exposed semiconductor substrate(11). A thin oxide layer(14) of high temperature and low pressure is deposited on the whole surface of the substrate(11). A thick BPSG(BoroPhosphoSilicate Glass) layer(15) is deposited on the thin oxide layer(14). The thick BPSG layer(15) is etched back and the thin oxide layer(14) is stripped. A thin oxide layer(16) of high temperature and low pressure is deposited on the whole surface. The thin oxide layer(16) is flattened and the nitride layer(13) and the oxide layer(12) are stripped.
Patent KR-20010087666-A (KR)
Title: Vertical control button in video display apparatus
Inventor: YEO HWAN MU
IPC: H04N5/64
Filed: 2000-03-08
Abstract: PURPOSE: A vertical adjusting button of an image display is provided to dispose a horizontal button mounted at a front face of a cabinet to a lower face of the cabinet, thereby improving a fine view of the front face of the cabinet. CONSTITUTION: A cabinet(300) has a button inserting hole(301) at a lower face thereof. A vertical button(201) is inserted into the button inserting hole of the cabinet to be protruded downward to an outside. A button elastic piece(202) operates an operating switch of a substrate, whenever the vertical button is pressed. A button case(200) is fixed to an inner portion of the cabinet to support the vertical button and the button elastic piece. An upward rib(204) restricts an upward level of the vertical button and is protruded to a rear face of the vertical button so that the vertical button is not separated from the button inserting hole. A restricting rib(206) is horizontally protruded from the cabinet to be positioned at an upper end of the upward rib.