baber/WOPTO huggingface dataset:
Patent KR-20010065788-A (KR)
Inventor: KANG YANG BEOM
IPC: H01L21/283
Filed: 1999-12-30
Abstract: PURPOSE: A method for forming a via plug is provided to prevent increase of a via resistance and degradation of the device by burying a key hole formed in a tungsten plug with an assistant metal plug of a rivet shape using an unlanded phenomenon. CONSTITUTION: The method for forming a via plug forms a lower wire line(20) on a given device structure formed in a semiconductor substrate(10). First and second interlayer insulating films(30,40) are sequentially stacked to form a via hole. Tungsten is buried within the via hole to form a tungsten plug(60) by means of a planarization process. An assistant metal plug(70) of a rivet shape is formed on the tungsten plug by means of select metal chemical vapor deposition method.
Patent KR-20010059857-A (KR)
Inventor: KIM TAE U
IPC: A47L9/00
Filed: 1999-12-30
Abstract: PURPOSE: A ventilation reflux type vacuum cleaner is provided to lengthen the life of a motor and to prevent the motor from being deteriorated by more efficiently radiating heat from the motor. CONSTITUTION: A body(310) of a ventilation reflux type vacuum cleaner contains a motor(312) in which a fan(311) is combined with a shaft(312a), a dust collecting bag(313) and a dividing part(314) between the fan and motor to prevent the flow of air. The motor is a biaxial motor and the other shaft(312b) of the motor is combined with a belt(315) to rotate a rotating brush(323) of a suction body(320). A first space(316) divided by the dividing part has a reflux passage(340) to guide air to the suction body without passing through the motor and a second space(317) has a cooling passage(350) to be communicated with indoor air. The cooling passage contains a passage guide(353) to form a suction cooling passage(351) and a discharge cooling passage(352). A blower fan(360) of the vacuum cleaner body is combined with a shaft(312b). An injection port(324) is connected to the reflux passage at the bottom of the suction body. A suction port(321) is connected to one end of a suction passage(322) and the dust collecting bag is connected to the other end of the suction passage.
Patent KR-20000023790-A (KR)
Inventor: CHAIMBURLIN ELSIDEREK
IPC: E05B47/06
Filed: 1999-01-15
Abstract: PURPOSE: A lock is provided to offer the function of locking/unlocking driven by a rotary DC motor with a mechanical key override. CONSTITUTION: A door lock having inner/outer handles is composed of: a cylindrical lock chassis having a device for retreating a latch bolt by responding to the rotation of a hollow spindle, a member for locking the inner/outer spindles selectively, an electric motor(20) possible to be rotated toward reverse direction, a power supply unit for a motor, and a mechanism for selectively moving the member between a locking position and an unlocking position. The motor includes a motor axis lengthened through the cylindrical lock chassis to combine with the member for locking the outer spindle, fixed to the rotation.
Patent KR-20000068034-A (KR)
IPC: G11B20/22
Filed: 1998-04-20
Abstract: A reproducing apparatus for reproducing an audio signal from a record carrier having a first digital audio signal (a PCM encoded audio signal) recorded on it in a first format and a second digital audio signal (an MPEG encoded multi channel audio signal) recorded on it in a second format. The apparatus includes a read unit for reading an information signal from the record carrier, a decoding unit for channel decoding the information signal read from the record carrier into a decoded information signal, a keyboard for receiving a selection signal and an output terminal for supplying an output signal which comprises either the first digital audio signal or the second digital audio signal in response to said selection signal. An output circuit is available to add an identification signal (bit b1) into the output signal, indicating that the output signal includes either the first digital audio signal or another audio signal. Further, a muting circuit mutes the first digital audio signal supplied by the output circuit in response to an occurrence of the selection signal for selecting the second audio signal. The muting circuit maintains the output circuit in a muted situation from the moment of occurrence of the selection signal until a certain time interval after the corresponding change in the identification signal.
Patent KR-20000052650-A (KR)
Title: Flame-proofed moulding materials
Inventor: KLATT MARTIN
IPC: C08K5/3492
Filed: 1997-10-10
Abstract: PURPOSE: A use of the novel molding compositions is provided to produce fibers, films or shaped articles, and the shaped articles of any type thus obtained. CONSTITUTION: Armoplastic molding compositions comprises: A) from 30 to 97% by weight of a polyester; B) from 1 to 30% by weight of melamine cyanurate; C) from 1 to 30% by weight of at least one phosphorus-containing flame retardant which contains phosphorus in the valence state -1, -2 or -3; D) from 0 to 60% by weight of other additives and processing. aids, where the total of the percentages by weight of components A) to D) is 100%.
Patent KR-20000057179-A (KR)
Inventor: WORF GUNTHER
IPC: A01K91/18
Filed: 1997-11-14
Abstract: PURPOSE: Long lines and preparation method thereof are provided, which are to be used a net for fishing, angling lines, fishing lines and succession lines. CONSTITUTION: A long line comprises at least one polyamide monofilament (A) and at least one cylindrical stopper (B) fixed to the surface of the polyalmide monofilament, wherein the stopper (B) is composed of a thermoplastic elastomer, preferably polyurethane, with a Shore hardness (D) (DIN 53,505) of at least 50. Preferably the viscosity of the polyamide of the monofilament (A) is above 180 ml/g, and the polyamide of the monofilament (A) is composed of copolyamide 6, copolyamide 6/66 or their mixture. The long lines are prepared by extruding the melted polyamide to form polyamide filament; cooling polyamide; elongating the monofilament to length direction; relaxing the monofilament; and fixing the stopper (B) to the monofilament (A).
Patent KR-20000062259-A (KR)
IPC: G01F3/36
Filed: 1997-12-19
Abstract: The liquid transfer system includes a liquid supply tank and at least two pressurizable liquid holding vessels. The liquid holding vessels are placed beneath the supply tank, and a liquid supply line connects the supply tank to each vessel. The liquid supply line is operated as a siphon from the tank to each vessel, in order to move liquid from the tank to each vessel. Each vessel is alternately filled and pressurized to dispense liquid from the vessel, such that one vessel is being filled while the other is dispensing liquid, and a constant controllable liquid output flow is achieved. A preferred embodiment includes a liquid recycling line to recycle or constantly move the liquid within the system to achieve thorough mixing, and an in-line filter to improve liquid purity.
Patent KR-20000070871-A (KR)
IPC: B60R25/00
Filed: 1998-01-07
Abstract: 본 발명은, 특히 차량 도난 방지 시스템용 코드 신호 송신기에 관한 것이다.  코드 신호 송신기(10)는 트랜스폰더 유닛(100, 110, 120, 130)을 포함하며, 상기 트랜스폰더 유닛(100, 110, 120, 130)은 질의-응답-다이얼로그에 의해 도난 방지 장치를 릴리스하기 위한 정당성을 입증한다.  또한, 코드 신호 송신기(10)는 원격 조작 유닛(120, 140, 160, S 4 , S 5 )을 포함하며, 상기 원격 조작 유닛(120, 140, 160, S 4 , S 5 )은 스위치(S 4 , S 5 )의 작동시 도어의 잠금 해제를 위한 제어 신호를 송신한다.  트랜스폰더 유닛 및 원격 조작 유닛은 하나의 암호화 유닛(110)을 포함하며, 상기 암호화 유닛(110)에는, 송신할 신호를 암호화하기 위한 상기 2개의 유닛이 내장된다.
Patent KR-20010012499-A (KR)
Title: 능동 표면상에 포스트를 구비한 전자적 구성요소 패키지
IPC: H01L23/485
Filed: 1998-05-13
Abstract: 웨이퍼 레벨 공정을 사용하는 전자적 구성요소 패키지에 대한 방법 및 장치가 제공된다. 포스트(1935)는 전자적 구성요소의 기판의 능동 측면(1910)상에 형성된다. 전도층(1945)은 전자적 구성요소의 접촉 영역을 포스트(1935)의 최상부로 리드한다. 포스트(1935)의 최상부위의 전도층(1945)은 인쇄 회로 기판상의 트레이스에 부착하는 리드로써 동작한다.
Patent KR-20010012639-A (KR)
IPC: H01L29/786
Filed: 1999-03-17
Abstract: 입력 전압에 따라 소스 및 드레인 간의 컨덕턴스가 제어되는 구동용 트랜지스터(110)와, 게이트가 소스 및 드레인 중 한 쪽에 접속되어 있고, 상기 소스 및 드레인을 거쳐서 입력 신호가 구동용 트랜지스터의 게이트에 공급되도록 접속된 보상용 트랜지스터(120)를 구비하는 트랜지스터 회로(100).  비교적 저전압의 입력 신호에 의해 제어가능하고, 또한 구동용 트랜지스터의 임계치 특성의 격차가 보상된다.  이 트랜지스터 회로에서, 구동용 트랜지스터(110)의 소스 또는 드레인에 전류 제어형소자(500)가 접속되어, 밝기 불균일성이 저감된 화상표시가 이루어지는 표시 패널이 실현된다.
Patent KR-20010014077-A (KR)
Inventor: ABRAHAM SUSAN C
IPC: H01L21/3213
Filed: 1998-06-24
Abstract: A method for improving microloading of a substrate to be etched in a plasma processing chamber. The substrate is etched with a first etchant to form trenches having a given trench width. The plasma processing chamber has a first power supply configured to energize a first electrode of the chamber and a second power supply configured to energize a second electrode of the chamber. The method includes obtaining a first data set among a plurality of data sets correlating power ratios of the first power supply and the second power supply with microloading percentages for the first etchant for different trench widths. The first data set correlates the power ratios with the microloading percentages for a first trench width. The first trench width approximates the given trench width as closely as possible. The method also includes extrapolating a second data set from the first data set. The second data set correlates the power ratios with the microloading percentages for the given trench width. There is also included ascertaining a power ratio of the power ratios of the second data set that yields a desired level of microloading. Additionally, there is included setting a first setting of one of the first power supply and the second power supply in accordance with the power ratio to achieve the desired level of microloading.
Patent KR-20010014127-A (KR)
Inventor: WAGUESPACK KENNETH GERALD
IPC: A46D3/04
Filed: 1998-06-24
Abstract: Methods and machines are disclosed to attach tufts of individual bristles to a toothbrush with a resiliently flexible head, wherein the flexible head may be segmented with joints connecting adjacent segments or it may be angled or curved or combinations thereof, and to then trim such tufts of individual bristles to a desired length - or lengths in the case of brushes with multi-level tufts - and to then round the free ends of the individual bristles in each such tuft. The disclosed method and apparatus require only the modification of conventional toothbrush tufting machines having tuft insertion tools that travel in a defined direction and the modification of conventional trimming machines and methods. In particular, the present invention discloses novel means and a method to hold securely a deformed resiliently flexible curved or angled toothbrush head or a segmented resiliently flexible head at the tufting apparatus in a configuration such that the bristle-receiving holes lie substantially parallel to the direction of travel of the tuft insertion tool, and at the trimming and end rounding portions of a toothbrush finishing machine so that conventional tufting, trimming and end rounding machines and methods can be used in the manufacture of such brushes.
Patent KR-20010075955-A (KR)
Title: Ball grid array type multi-chip package
Inventor: JUNG YEONG DU
IPC: H01L23/52
Filed: 2000-01-21
Abstract: PURPOSE: A multi chip package of a ball grid array type is provided to assemble the multi chip package regardless of the positions of bonding pads and the size of the semiconductor chip. CONSTITUTION: The ball grid array type multi chip package includes a semiconductor chip, solder ball pads(180), a cut region, and coupling members(110). The semiconductor chip includes bonding pads at predetermined regions. The ball pads includes the semiconductor chip and a window which corresponds the bonding pads. A contain region is included in the substrate which includes extended conductive leads to the solder ball pads. The cut region is spaced from each ends of the contain regions which faces each other with an amount slightly greater than the thickness of the semiconductor chip and is cut along with the side of the semiconductor chip. The coupling solder ball pads are implemented on the semiconductor chip and are implemented to make a symmetric formation with the solder ball pads. The coupling members are extended from the coupling solder ball pads to the solder ball pads and couple the bonding pads with conductive leads.
Patent KR-20010077433-A (KR)
Title: Virtual Sound Responsive Landscape System And Visual Display Method In That System
Inventor: CHOI KWANG JIN
IPC: G11B20/00
Filed: 2000-02-02
Abstract: PURPOSE: A virtual music image system and an image displaying method are provided to generate a virtual image for change in music through deciding a sound pattern for the input music. CONSTITUTION: A virtual music image system is formed by a high fourie convert unit(11), a music beat detect unit(12), a sound pattern decide unit(13), and an image mapping unit(14). The fourie convert unit performs a fourie conversion for an input sound wave for analyzing the sound wave into plural audible frequencies. The beat detect unit detects onset points of beats through measuring changing degree of power for each frequency band. The sound pattern decide unit decides pattern of sound according to distribution characteristic of the frequencies. The image mapping unit performs mapping operation of sound pattern information decided by the sound pattern decide unit for displaying as three-dimensional images.
Patent KR-20010081767-A (KR)
Title: Method of ejecting tray of disk player
Inventor: CHO PIL JE
IPC: G11B17/03
Filed: 2000-02-18
Abstract: PURPOSE: A withdrawing method for a tray of a disk player is provided to withdraw the tray after mounting a disk on a turntable. CONSTITUTION: An input of a withdrawing signal through a communication interface connected to an external device is decided. In case of input of the withdrawing signal, a spindle motor is stopped. Then, a loading motor is rotated in accordance with a descending a deck plate. Thus, the deck plate is lowered. Then, the loading motor is stopped to start counting. In case of the counted time reached at an established delay time, the loading motor is driven for withdrawing the tray.
Patent KR-20000062644-A (KR)
Title: 광 디스크 장치
IPC: G11B7/126
Filed: 2000-02-25
Abstract: 기록 및 재생시 고가의 고속 회로가 없이도 레이저의 출력 파워를 제어하는 광 장치가 제공된다.  본 발명의 광 디스크 장치는 레이저광의 파워를 감시하는 감시부(5, 6), 레이저광의 파워의 평균 광량을 계산하는 평균 광량 계산부(7), 평균 광량을 기억하는 기억부(20), 평균 광량 계산부와 기억부간의 출력 신호의 차를 계산하는 오차량 계산부(12, 13), 및 오차량 계산부로부터의 출력 신호에 응답하여 레이저광의 파워를 제어하는 레이저 파워 제어부(2)를 포함한다.
Patent KR-20010096303-A (KR)
Title: Pick and place module of semiconductor package manufacture apparatus
Inventor: KIM YEONG GEON
IPC: H01L21/50
Filed: 2000-04-18
Abstract: PURPOSE: A pick and place module of a semiconductor package manufacturing equipment is provided to pick and place correctly a strip for semiconductor package of various sizes. CONSTITUTION: A motor(52) having a pulley(53) is installed on a frame(51). The pulley(53) of the motor(52) is connected with a ball screw(55) by a belt(54). A limit bearing(57) is combined with the ball screw(55) by a connection block(56). A support shaft(58) is installed at a lower portion of the limit bearing(57). A fixing block(59) of a flat plate shape is combined with at a lower end of the support shaft(58). A latch(60) is installed at one side of the fixing block(59). A projection is formed at the other side of the fixing block(59). A pick and place module is fixed by the latch(60) and the projection. A cylinder is installed at the fixing block(59). A push plate of a pick and place module is pressed by the cylinder.
Patent KR-20010100693-A (KR)
Inventor: KIM DAE SUNG
Filed: 2000-05-04
Abstract: 본 발명은 고정적인 형태의 기존 검색엔진의 개념을 탈피해 검색엔진에 이동성이라는 개념을 부여해 메인 검색엔진을 떠나서도 고객이 위치한 어떠한 사이트에서도 메인 검색엔진으로 이동함이 없이 그 자리에서 사용자의 윈도우 바탕화면에서 실행되는 모바일 검색엔진을 이용해 바로 검색과 등록, 베스트 사이트 조회도 가능하게 하는 검색엔진이다. 
     모바일 검색엔진은 먼저 기본이 되는 메인 검색엔진과 검색엔진 밖에 위치한 외부의 모바일 검색엔진 툴이 한쌍으로 하나의 검색엔진을 구성한다. 
     모바일 검색엔진 툴을 통해 검색엔진 외부에서도 메인 검색엔진 기능을 보조, 대체하여 웹사이트 등록, 검색, 카테고리별 베스트사이트 조회, 회원 가입과 등록 포인트 확인, 포인트 이전, 포인트 보너스 기능을 제공한다. 
     모바일 검색엔진은 검색엔진의 외부에 있는 모바일 검색엔진을 통해서 검색엔진의 기능을 그대로 수행할 수 있는 축약된 검색엔진이다.
Patent KR-20010104132-A (KR)
Inventor: PARK JONG SEONG
Filed: 2000-05-13
Abstract: 본 발명은 프로폴리스 특유의 방향성 물질(Aromatic compound)을 극대화(고농도)하여 짙은 향미(香味)를 가지며 프로폴리스의 기능성(機能性)을 음용하기 쉽게 꿀과 배합되어 상용하도록  만든 프로폴리스와 꿀이 함유된  액상 추출차 및 그 제조방법에 관한 것이다.
Patent KR-20010104137-A (KR)
Inventor: YOON SANG JO
Filed: 2000-05-13
Abstract: 본 발명은 피복강관에 희생 양극을 부착하여 내,외면의 부식을 방지하도록 한 희생 양극이 부착된 피복강관에 관한 것이다. 
     본 발명의 바람직한 실시예는, 강관에 폴리에틸렌, 에폭시 또는 기타 수지 및 콜탈 에나멜, 아스팔트 등 피복재를 피복 또는 코팅 한 후 관단을 탈피하고, 상기 탈피 부분에 희생 양극을 결합시킨 후 에폭시 또는 도료 등으로 피복함이 바람직하다. 
     본 발명은 피복강관에 직접 희생 양극이 부착되어 있기 때문에 시공시 용접 부착하는 결합 시공 공정을 단축하므로써 시공비가 절약되고, 제품 생산공장에서 제품의 품질 확인 후 출하하기 때문에 시공시 발생하는 결함을 방지하며, 또한 희생 양극을 설치하므로써 피복 또는 코팅 강관 내,외면에 손상이 발생되지 않는다.
Patent KR-20010106858-A (KR)
Inventor: CHOI MOO YOUNG
IPC: G08C19/00
Filed: 2000-05-23
Abstract: 본 발명은 수도, 전기, 가스계량기와 같은 여러 종류의 계량기가 설치된 수용가를 한번의 방문으로 검침할 수 있도록 하여 계량기의 징수체계를 일원화하고, 방문지에서 직접 고지서를 발급할 수 있도록 한 자동통합검침장치에 관한 것으로, 그 목적은 이종 계량기의 징수체계를 일원화하여 관리인력을 줄일 수 있고, 방문지에서 고지서를 발급할 수 있도록 하여 검침 후 요금청구까지에 소요되는 시간을 줄일 수 있으며, 기존 기계식 계량기를 그대로 이용할 수 있도록 하기 위한 것으로, 데이터 입력수단(120)으로부터 적어도 수용가의 주소와, 계량기(M 1 ,M 2 ,‥‥,Mn)의 종류, 사전설정된 시간동안 사용된 량 등에 따른 검침량을 표시하기 위한 표시영역을 갖는 디스플레이부(100)와, 데이터 입력수단(120)으로부터 검침데이터의 입력이 가능하도록 입력대기 상태로 유지되며, 수용가(300)의 주소, 계량기의 종류를 각기 구별하기 위한 식별코드 및 계량기로부터 산출된 검침량에 따른 검침데이터의 입력이 있으면 검침데이터를 저장하는 데이터 저장수단(140)을 포함하는 제어수단(150)과, 검침데이터를 암호화하는 암호화수단(160)과, 각 지역에 산재된 데이터 수집기(200)를 구별하기 위한 데이터 식별코드와 암호화된 데이터를 함께 메인컴퓨터(400)로 송수신하는 무선데이터 송/수신수단(170)과, 메인컴퓨터(400)로부터 전송되는 사용요금정보 및 미납요금정보를 해독하는 암호해독수단(180)과, 고지서 발급명령이 선택된 경우 프린터(190)를 통하여 고지서(191)를 출력하도록 구성된다.
Patent KR-20020000585-A (KR)
Title: cyberconsulting for system(ISO, QS) establish
Inventor: KIM JONG DAL
IPC: G06F17/00
Filed: 2000-06-24
Abstract: PURPOSE: A method for cyber consulting of system construction is provided to solve the problems generated during preparing documents required to the system certification of ISO9000, ISO14000, and QS-9000, and to guide the processes required to prepare such documents by the direct real-time conversation between persons in charge and professional consultants through a cyber space. CONSTITUTION: If a member desires individual consultation or inquires questions/consultation related to system construction, the member clicks "a consult room" to request the consult of a consultant. In addition, a member desires the information exchange with employees of another companies in same field, the member clicks "a business information exchange room" to make a direct conversation with the employees of another companies.
Patent KR-20020000426-A (KR)
Title: Ink supply structure of ink jet printer head
Inventor: LEE SEUNG DON
IPC: B41J2/175
Filed: 2000-06-26
Abstract: PURPOSE: Ink supplying structure of an ink jet printer head is provided to simplify the structure of a head, and to increase the productivity and the efficiency with simple structure. CONSTITUTION: An ink supply apparatus of an ink jet printer head is composed of a head(2) arranging plural inlets(1) in the upper part, and an ink supply case(4) having a storage part(3) corresponding to inlets. A nozzle plate having plural nozzles is mounted in the lower part of the head, and connected to a third through hole. A limit plate is connected to the inlet through a restrictor, and a chamber plate is connected to a chamber. Plural inlets are arranged to supply ink from the storage part simultaneously. Ink is supplied to the ink supply case, and moved in plural inlets. Flow of ink is adjusted with flowing into the restrictor, and ink is injected through the chamber to the nozzle. Assembling efficiency is improved with simplifying the structure of the head.
Patent KR-20020002759-A (KR)
Title: Overlay accuracy measurement mark of semiconductor device
Inventor: KIM SANG JIN
IPC: H01L21/66
Filed: 2000-06-30
Abstract: PURPOSE: An overlay mark of a semiconductor device is provided to measure easily an overlay mark by preventing an asymmetric shape of a vernier due to a variation of surrounding pattern density. CONSTITUTION: An amin scale of a regular quadrilateral shape is formed on a semiconductor substrate(10). A vernier of a regular quadrilateral shape is formed on an inner side of the amin scale. A blank pattern(20) is formed on an outer side of the amin scale. The blank pattern(20) has the same layer as the amin scale and the vernier. The blank pattern(20) is formed by removing a pattern of a predetermined width of the outer side of the amin scale. An overlay mark(16) is surrounded by the blank pattern(20). The blank pattern(20) is used for preventing the asymmetric vernier formed by a variation of surrounding pattern density.
Patent KR-20000058981-A (KR)
Inventor: CHA HUI JANG
Filed: 2000-07-07
Abstract: PURPOSE: An intellectual property transaction system and a method thereof are provided for receiving a consigned right to sell an intellectual property, giving a commercial execution right for a limited period to a member company, checking a business possibility of the intellectual property, obtaining an exclusive right for using an intellectual property and buying the same. CONSTITUTION: An intellectual property market(or operator) has a patent consignment(a, b, etc.) from a plurality of patentee. The patent consignment is implemented by forming a contract which allows a commercial execution right to a member company of an intellectual property right market. A plurality of member companies pay a certain amount of the member company registration charge to the intellectual property right market(or operator) and become a member company. The member company has a right for a commercial execution right for free with respect to a certain number of the patents.
Patent KR-20020010200-A (KR)
Title: Transflective Liquid Crystal Display
Inventor: BAEK HEUM IL
IPC: G02F1/133
Filed: 2000-07-27
Abstract: PURPOSE: A semi-transmissive liquid crystal display is provided to eliminate the boundary between reflection and transmission parts, at which lots of leakage light is generated, to reduce the amount of leakage light, thereby improving contrast ratio of screen. CONSTITUTION: A semi-transmissive liquid crystal display includes upper and lower substrates, a liquid crystal filled between the upper and lower substrates, and a reflective electrode(250) having a square-shaped transmission hole(240) under the liquid crystal layer. One side of the reflective electrode is opened by the transmission hole, and the portion around the transmission hole is stepped. The display further has an interlevel insulating layer formed under the reflective electrode, and a transparent electrode(230) located under the interlevel insulating layer. The display also includes a protection layer formed between the transparent electrode and the lower substrate to form a stepped portion on the reflective electrode, ad an alignment film formed between the reflective electrode and the liquid crystal layer.
Patent KR-20000063850-A (KR)
Inventor: KIM SANG WOOK
IPC: A62C37/14
Filed: 2000-08-07
Abstract: PURPOSE: An automatic sprinkler is provided to obtain automatic opening function for discharging water and fire sensing function. CONSTITUTION: Two metal springs(45) having a structure to be connected with an insulating electric wire(43) and electric contact points(46) are included in a microswitch(48). The springs are sustained in the state of being lifted up by a small protrusion(47) on an edge(42) of a support disk(19). Thus, the two contacts are spaced apart from each other all the time. By heat, a heat sensing unit is separated from a sprinkler(11). The force applied on the springs is removed and the contact points contact to each other.