baber/WOPTO huggingface dataset:
Patent KR-19990078382-A (KR)
Title: 스티칭된 구조를 갖는 ｄｒａｍ 회로 및 그 제조방법
IPC: G11C11/401
Filed: 1999-03-30
Abstract: 워드라인이 저저항 컨덕터 보다 높은 저항을 갖는 게이트 컨덕터부에 스티칭된 저저항 컨덕터를 포함하는 스티칭된 구조를 갖는 메모리 회로가 개시되었다.  메모리 회로는 제 1 방향을 따라 일반적으로 배치된 비트 라인과 상기 제 1 방향에 수직인 제 2 방향을 따라 배치된 워드라인을 갖는 메모리 셀 어레이를 포함한다.  메모리 회로는 또한 제 1 방향을 따라 따르는 메모리 셀 어레이에 인접하여 배치된 어레이 센스 증폭기 영역을 포함한다.  어레이 센스 증폭기 영역은 비트 라인에 연결된 복수 개의 어레이 센스 증폭기를 포함한다.  메모리 회로는 게이트 컨덕터를 갖춘 저저항 컨덕터를 스티칭시키기 위해 콘택트를 포함하는 스티치 영역을 포함한다.  이 스티치 영역은 제 2 방향을 따라 메모리 셀 어레이에 인접하여 배치된다.  복수 개의 어레이 센스 증폭기에 연결되고 제 2 방향을 따라 배치된 로컬 데이터 라인 셋트가 더 포함된다.  로컬 데이터 라인 셋트에 연결된 마스터 데이터 스위치 셋트도 포함된다.  마스터 데이터 스위치는 제 2 방향을 따르는 어레이 센스 증폭기 영역에 인접하는 스티치 영역의 콘택트-프리 부분에 배치된다.  메모리 회로는 마스터 데이터 라인 셋트를 마스터 데이터 스위치 셋트에 연결하기 위해 일반적으로 제 2 방향을 따라 배치된 마스터 라인-스위치 커넥터 셋트와 일반적으로 제 1 방향을 따라 배치된 마스터 데이터 라인 셋트를 더 포함하며, 여기서 비트 라인 셋트, 마스터 데이터 라인 셋트, 워드라인의 저저항 컨덕터, 로컬 데이터 라인 셋트 및 마스터 라인-스위치 커넥터 셋트가 메모리 회로의 적어도 4개의 상이한 컨덕터 층으로부터 형성된다.
Patent KR-19990082837-A (KR)
Title: 유량측정장치
IPC: F02D35/00
Filed: 1999-04-01
Abstract: 정상류,맥동류(脈動流)및 역류를 포함하는 맥동류에서도 유량검출관로의 정류효과를 유지하면서, 유량검출관로(管路)내외의 분류비의 변동을 저감시켜 유량검출오차를 저감한다. 
     이렇게 하기 위하여, 유체주통로(10)도중에,  유체주통로와 대략 평행방향에 유량검출관로(11)를 설치하고,  유량검출 관로내에 유량검출체(12)를 배치해서 유체 주통로내의 유체의 유량을 측정하는 유량 측정장치에서,  유량검출관로의 하류측 단부의 관벽에 절결(切缺)(13)또는 관통공을 형성하였다. 
     또는 하류측 단부를 통기성 부재로 구성하였다. 
     절결,관통공 또는 통기성부재보다 상류측의 유량검출관로의 외벽에 그 중심축에 대해 원주방향으로 배치된 철(凸)상 단차를 두었다.
Patent KR-20000065769-A (KR)
Title: Confectionery containing root bark of various araliaceous shrubs
Inventor: LEE CHANG JIN
IPC: A23G3/00
Filed: 1999-04-01
Abstract: PURPOSE: Confectionery containing the root bark of various araliaceous shrubs is provided, which is useful to a man of having troubles in walking. CONSTITUTION: To achieve the object of the invention, the root bark of various araliaceous shrubs is grinded to be fine powder. And then, it is added in a process of making confectionery.
Patent KR-19990083203-A (KR)
IPC: C07C405/00
Filed: 1999-04-15
Abstract: 본 발명은 하기 화학식 1로 표시되는 3,7-디티아프로스탄산 유도체에 관한 것이다: 
     
       
         
       
     
     상기 식 중, R 1 은 OH, C1∼6 알킬옥시, NR 6 R 7 (이 때, R 6 와 R 7 은 H, C1∼6 알킬임)이고; R 2 는 H, OH이며; R 3 는 단일 결합, C1∼6 알킬렌이고; R 4 는 (i) C1∼6 알킬옥시, 할로겐 등으로 치환된 C1∼8알킬, (ii) 페닐옥시, C3∼7 시클로알킬옥시, (iii) 푸릴, 푸릴옥시, 티에닐, 티에닐옥시, 나프틸, 나프틸옥시, 프탈라닐, 프탈라닐옥시, (iv) C1∼6 알킬 등으로 치환된, 페닐, 페닐옥시, C3∼7 시클로알킬, C3∼7 시클로알킬옥시, (v) C1∼6 알킬 등으로 치환된, 푸릴, 푸릴옥시, 티에닐, 티에닐옥시, 나프틸, 나프틸옥시, 프탈라닐, 프탈라닐옥시이고; R 5 은 H, C1∼6 알킬이다. 상기 화합물은 PGE 2 수용체(특히 EP4 아형 수용체)에 강하게 결합할 수 있다. 따라서, 이들은 면역 질환(자가면역 질환, 기관 이식 후의 거부 반응 등), 천식, 비정상적인 골 형성, 신경 세포 사멸, 간 손상, 신염, 고혈압, 심근 허혈증 및 수면 장애 등의 치료 및/또는 예방에 유용하다.
Patent KR-19990083231-A (KR)
Title: 스러스트 밸런스 장치
IPC: F04D29/04
Filed: 1999-04-16
Abstract: 스러스트 밸런스 특성이 양호한 스러스트 밸런스 장치의 제공을 목적으로, 라이너디스크에 스러스트 밸런스실에 연결되는 고리모양 홈 및 균압부(均壓部)를 설치하여 되는 스러스트 밸런스 장치이다.
Patent KR-20000074289-A (KR)
Inventor: LEE SEONG SU
IPC: H03K19/0185
Filed: 1999-05-19
Abstract: PURPOSE: A level shifting circuit is provided to reduce power consumption due to standby current by removing a direct current path of a ground terminal from a high voltage power terminal. CONSTITUTION: A level shifter circuit includes first, second and third PMOSs(21,22,23) whose gates receive clamping bias in common, first and second NMOSs(24,25) serially connected to the first and second PMOSs respectively whose sources are connected to the ground and whose gates receive a non-inverted first input signal and inverted first input signal, respectively, and a third NMOS(26) which is connected to the drain of the third PMOS and an output port and receives a second input signal to its gate. The level shifter circuit also has fourth and fifth PMOSs(27,28) selectively turned on or off by turning on the first NMOS or second NMOS to restrict standby current from flowing, first and second zener diodes(29,30) connected between the drains of the fourth and fifth PMOSs and VDDH in common to prevent the drain voltages from being decreased below a predetermined level, and a sixth PMOS(31) connected to the third PMOS in cascade whose gate is connected to the gate of the fourth PMOS and the drain of the fifth PMOS in common to pull up the output level of the output port to VDDH level.
Patent KR-19990088637-A (KR)
Title: 승객보호시스템내에제공된메모리커패시터의커패시턴스를체크하기위한방법및테스트장치
IPC: H02J9/06
Filed: 1999-05-28
Abstract: 본 발명은, 승객 보호 시스템내에 제공된 메모리 커패시터의 커패시턴스를 체크하기 위한 방법 및 상기 메모리 커패시터용 테스트 장치에 관한 것이다.  자동차의 승객 보호 시스템내에 포함된, 프라이머를 점화하기 위한 점화 커패시터의 커패시턴스는 충전 위상에서 커패시터 전압의 상승 에지로 실시된다.  이 목적을 위해서, 테스트 시간 동안 메모리 커패시터에 의해 수용된 전하량은 충전 전류 또는 상응하는 값을 측정하여 테스트 시간에 대해서 적분함으로써 검출된다.  커패시턴스는, 상기 적분의 결과 및 테스트 시간 동안 이루어지는 커패시터 전압의 전압 변동의 비율을 통해서 얻어진다.  점화 커패시터의 기능은 절대로 장애를 받지 않는다.
Patent KR-20000075109-A (KR)
Inventor: KIM JONG YEONG
IPC: B01D46/00
Filed: 1999-05-28
Abstract: PURPOSE: Provided is a collector for refining high temperature and pressure coal gas, which can effectively collect the high temperature and high pressure coal gas mixed with dusts. CONSTITUTION: The collector comprises a gas inlet(1), a dusts outlet(2), air diffusers(7, 8, 9) located radially from the center of the collector and separately, vertically located at the upper, middle and lower positions, a plurality of candle type ceramic filters(10) located vertically in the upper, middle and lower stairs, wherein the air diffusers(7, 8, 9) have different length according to each stair's height of the ceramic filters(10), roofs(5) on the ceramic filters, and dusts interrupt plates(6). The ceramic filters(10) can operate at a temperature of more than 400°C.
Patent KR-19990083697-A (KR)
Title: 캔의탭제조용금형
Filed: 1999-06-08
Abstract: 본 발명은 공급되는 비철금속 내지는 금속소재의 박판을 단계적으로 펀칭가공하여 소정의 모양으로 된 캔의 탭(Tab)을 제조할 수 있도록 하는 탭 제조용 금형에 있어서, 상기 탭 제조용 금형의 구조를 개량하여 탭의 생산성 및 전체적인 캔용기의 생산성을 크게 향상시킬 수 있도록 하는 한편, 알미늄박판과 같은 비철금속만이 아닌 금속계통의 소재로도 탭을 용이하게 제조할 수 있도록 한 캔의 탭 제조용 금형에 관한 것으로, 이는 금형의 길이방향을 따라 장치내로 공급되어진 박판상의 소재를 펀칭하여 손잡이홀, 핀홀, U자형홀을 단계적으로 천공 할 수 있도록 하는 타공부(10)와; 탭의 전체적인 윤관라인을 절개할 수 있도록 하는 탭 윤곽라인 절개부(20)와; 절개되어진 탭의 측면라인을 절곡하기 위한 측면절곡부(30)와; 절곡되어진 탭의 측면을 벤딩하기 위한 벤딩부(40) 및 상기 각각의 공정을 거쳐 성형완료된 탭을 공급소재로 부터 분리시켜 내기 위한 탭절단부(40)로 구성되어진 것을 특징으로 한다.
Patent KR-20010001913-A (KR)
Inventor: JUNG CHANG HUI
IPC: F24F1/00
Filed: 1999-06-09
Abstract: PURPOSE: An air flow structure for air conditioner is provided to increase air volume by allowing a cabinet to constituted a portion of the fan housing. CONSTITUTION: An air flow structure comprises a fan housing(50) constituted by a front panel(51) having an air inlet opening(IN) and a side panel connected to the front panel in such a manner that the air sucked through the air inlet opening moves along the air flow channel which is gradually expanding; a cabinet(60) connected to the fan housing in such a manner that the cabinet closes the rear surface of the fan housing and forms a portion of the side surface of the fan housing. The front panel of the fan housing has a flange arranged at an outer surface of the front panel to be coupled to the cabinet. The air inlet opening of the front panel of the fan housing has a ring-shaped bell mouth(70) for guiding air flow. The bell mouth has a semi-circular cross section, and a straight line portion(70a) for reducing noise. The bell mouth has a flange(70b) formed at an outer periphery of the bell mouth, and the flange has a protrusion(70c) which is partially cut and bent in an inverse L-shape. The protrusion is inserted into a hole(51b) formed at an outer periphery of the air inlet opening of the fan housing, to thereby allow the bell mouth to be coupled to the fan housing.
Patent KR-20010003159-A (KR)
Inventor: KANG HO SUL
IPC: F25D17/00
Filed: 1999-06-21
Abstract: PURPOSE: A shroud apparatus is provided to prevent dewing and noise by forming the shroud from an adiabatic material. CONSTITUTION: An apparatus comprises a first shroud(10) and a second shroud(20), which are made up of adiabatic material, and a fan motor assembly(30). The first shroud has a freezing compartment outlet hole(12) formed at the upper portion of the first shroud so as to supply cold air to the freezing compartment. The first shroud has a conical protrusion(13) formed at an intermediate portion of the first shroud, and which guides the air flow formed by the fan motor assembly to the freezing compartment outlet hole and a refrigerating compartment supply section formed at the lower portion of the first shroud. The first shroud has a return hole(14) for returning of the air circulated through the freezing compartment and the refrigerating compartment, respectively. The second shroud is coupled to the rear surface of the first shroud. The second shroud has a refrigerating compartment supply duct formed at the center of the second shroud. The fan motor assembly which is disposed between the first and second shrouds, supplies cold air through the cold air passage formed by the first and second shrouds when assembled. The fan motor assembly consists of a fan motor(33) and a support(33) for supporting the fan motor.
Patent KR-20010003921-A (KR)
Inventor: SHOJI HIDEKI
IPC: H01M10/42
Filed: 1999-06-26
Abstract: PURPOSE: A power supply device for secondary cell charge/discharge unit is provided to compensate for an insufficient capacity of supplementary cell and reduce an AC(alternating current) power consumption by condensing a discharge power of a test cell into the supplementary cell and using the condense energy as a charge power of the test cell. CONSTITUTION: A supplementary cell(2) collects a discharge current from a test cell(1) and supplies the test cell(1) with a charge current. A current voltage measure unit(3) detects a current/voltage state of the test cell(1). A current voltage measure unit(4) detects the current/voltage state of the supplementary cell(2). A DC(direct current) power/load switching unit(5) switches a connection of the test cell(1) with a DC power/load unit(5) and a connection of the supplementary cell(2) with the DC power/load unit(5). A converter(7) is settled between the test cell(1) and the supplementary cell(2), and boosts a voltage in a current flow. A micom control unit(9) compares the measure value of the test cell(1) and of the supplementary cell(2) with a value established in advance as a charge/discharge condition in a memory, and outputs a control signal(y) for the DC power/load switching unit(6) and a control signal(x) for an input/output switching unit(8).
Patent KR-20010004074-A (KR)
Inventor: HA HEUNG GYU
IPC: B66F3/00
Filed: 1999-06-28
Abstract: PURPOSE: An angle adjusting jack ram is provided to equalize the center of an object and a cylinder by easily compensating the slant angle between a bottom and the contact face of the cylinder for delivering vertical upward force to the object. CONSTITUTION: An angle adjusting jack ram comprises a hydraulic jack connector(18), an upper base(10) and a lower base. The hydraulic jack connector moves a cylinder(19) contacting with an object upward and downward. The upper base creates a first slant(11) in the lower face and installs a rotary shaft(13) on the center of the first slant. The lower base creates a second slant(21) in the upper face and installs a plate(29) on the center of the second slant. The first slant and the second slant are combined with plural balls(26) arranged in a first ball guide(12) and a second ball guide(22). The second slant inserts the rotary shaft into a shaft hole(23).
Patent KR-20010005075-A (KR)
Inventor: LIM JONG RAE
IPC: H01J11/40
Filed: 1999-06-30
Abstract: PURPOSE: A method for fabricating a front plate of a plasma display panel is privided to prevent a transparent dielectric from lowering of the light transmissivity and obtain the transparent dielectric with a strong sputter. CONSTITUTION: A method for fabricating a front plate of a plasma display panel forms a front plate electrode(11, 12) on the front substrate, forms a transparent dielectric layer, and makes MgO film from Mg(OH)2 on the entire surface by plastic deformation of the transparent dielectric. The transparent dielectric layer is formed by doing so that a dielectric particle absorbing a positive ion of inorganic matter is adhered to a surface of the front plate electrides(11, 12).
Patent KR-20010008846-A (KR)
Inventor: BAEK HYEONG IL
IPC: H03L7/00
Filed: 1999-07-05
Abstract: PURPOSE: A RF frequency synthesizer with characteristic of a low phase noise is provided to manufacture a frequency synthesizer of the low phase noise without using additional components as a buffer amp or a coupler etc. CONSTITUTION: A RF frequency synthesizer with characteristic of a low phase noise a signal input portion(1), a phase detecting portion(2), a loop filter(3) and a voltage controlled oscillator(VCO)(4). The signal is input in the signal input portion(1). The phase detecting portion(2) compares the signal input from the signal input portion(1) with the signal returned from VCO(4) and detects the difference of the phases. The loop filter(3) is formed with the active type and is a low pass filter to remove the unnecessary high frequency riffle except for DC. The VCO(4) returns the output signal to the phase detecting portion(2) until the phase becomes same as that of the input signal.
Patent KR-20010009450-A (KR)
Inventor: OH KYUNG SIK
IPC: F24F7/00
Filed: 1999-07-09
Abstract: PURPOSE: An exhaust hood assembly by filtering through water is provided, which is mounted at a kitchen or the like to exhaust smoke generated upon cooking to the outside after removing environmental pollutive material contained in the smoke, so as to prevent air pollution. CONSTITUTION: An exhaust hood assembly with water filtering capability comprises a hood member(10) for catching oil ingredient and sooty smoke generated during cooking or combustion and exhausting them through an exhaust gas passage; a filter(30) mounted on an upper end of the hood(10) to cleanse pollutive material contained in the exhaust gas discharged through the exhaust gas passage(15) of the hood member(10); a water tank(20) for storing water for cleansing the exhaust gas, which is provided at the upper end of the hood member(10) and a lower side of the filter(30); a valve(42) for feeding water to the water tank(20), which automatically controls water level fed from a water feed pipe(40) by using a floating bulb(44); a water drain pipe(46) for draining water if water being stored in the water tank(20) is excessively fed; and an oil separator(50) for separating and treating oil and pollutive material contained in the water discharged from a drain pipe(46).
Patent KR-20010009660-A (KR)
Inventor: HONG MIN CHEOL
IPC: H04N19/86
Filed: 1999-07-13
Abstract: PURPOSE: A method for eliminating a block effect and a ring effect for high-speed, real-time processing of a compressed video signal, is provided to eliminate the block effect and the ring effect by the pixel by considering only adjacent pixels, and to define an adaptive supplementary function by the pixel and calculate a normalizing parameter by the pixel, so that a calculating amount can be reduced and real-time processing can be performed. CONSTITUTION: Supplementary functions are defined by the medium of smoothing degrees of video and confidence for original video, by considering the direction between adjacent pixels and a processed pixel on the basis of the processed pixel. Normalization parameters assigning confidence and smoothing degrees for original video are adaptively detected in each supplementary function.
Patent KR-20010010172-A (KR)
Inventor: CHOI SI YEONG
IPC: H01L21/288
Filed: 1999-07-16
Abstract: PURPOSE: A method for forming a conductive pattern with a barrier metal layer as a capping layer is provided for diffusion effect of a conductive material to an insulating interlayer. CONSTITUTION: A conductive pattern is formed on an insulating interlayer(14) of a semiconductor substrate(10). An upper surface of the conductive pattern is exposed. A capping layer for capping an exposed portion of the conductive pattern is formed by using a barrier metal layer and a caping layer is formed therefrom. The capping layer is formed with titanium, a tantalum, a chrome, a carbide layer of a tungsten, a nitride layer, a boride, or a silicide.
Patent KR-20010010865-A (KR)
Inventor: KIM DONG HAN
IPC: F04D29/04
Filed: 1999-07-23
Abstract: PURPOSE: A structure of a foil bearing of a turbo compressor is provided to stably support a driving shaft rotating at high speed, and to reduce costs and improve the productivity by easily manufacturing and assembling the constituent parts. CONSTITUTION: A structure of a foil bearing includes a bearing housing(70) forming a shaft insertion hole(71) to be inserted by a driving shaft(30), a supporting member(80) having a plurality of coupling grooves(72) in the inner peripheral surface of the supporting member for being inserted into the shaft insertion hole, and a plurality of foils(90) fixedly coupled with the coupling grooves of the supporting member for supporting the driving shaft, wherein the supporting member includes a cylindrical part(81) formed to have a diameter suitable for the shaft insertion hole, and a plurality of coupling grooves(H) formed in a thin plate for fixing the foils, and a bent cylindrical part(82) fixed in the cylindrical part for inserting the thin plate into the inside of the cylindrical part.
Patent KR-19990073588-A (KR)
Title: 승강가변식가구의승강장치
IPC: A47B46/00
Filed: 1999-07-27
Abstract: 본 발명은, 모터(M)를 지지하며 고정시키는 브라켓(51)이 구성되고, 상기 모터(M)의 일측에 와이어(W)를 고정시킨 드럼(52)이 구성된 구동부(50)가 구성되고, 상기 구동부(50)의 드럼(52)에 연결된 와이어(W)를 팽팽하게 유지시켜 주는 텐션유지부(60)가 구성되며, 상기 텐션유지부(60)에 연결된 와이어(W)를 외주연에 지지홈을 형성하여 2개1조로 구비된 지지로울러에 끼워 상기 와이어(W)를 지지하는 지지부(70)가 구성되고, 상기 지지부(70)에 연결된 와이어(W)가 이송로울러(83)에 고정되고, 이의 작동에 따라 상승 및 하강되도록 안내하는 승강안내봉(81)이 구비된 승강안내부(80)가 구성되며, 상기 승강안내부(80)의 일측에 부착되며, 내측이 관통되고 일측에 양측으로 고정편(91)이 구비된 고정부(90)가 구성됨으로서, 전원이 인가된 구동부(50)가 시계방향 및 반시계방향으로 회전되어 드럼(52)에서 풀리게하거나 감기게 하는 와이어(W)를 지지하는 지지로울러를 2개1조로 구비하여 와이어(W)가 지지로울러에서 이탈하는 것을 방지하고, 고정부(90)에 고정된 침대(B)를 승강안내부(80)를 통해 상.하부로 이송시키는 구조를 간소화함으로서, 생산비를 절감하여 경제성을 향상시킴과 아울러 적은 힘으로 침대를 용이하게 승강시킬 수 있는 승강가변식 가구의 승강장치를 제공함에 있다.
Patent KR-20000017563-A (KR)
Inventor: WEBSTER PAUL DONALD
IPC: H02P25/08
Filed: 1999-08-26
Abstract: PURPOSE: A high power factor switched reluctance drive system is provided to optimize a power factor of a drive by switching a phase e. CONSTITUTION: The high power factor switched reluctance drive system comprises: a poly-phase switched reluctance device(39); a power factor compensating circuit for enhancing a power factor of an AC supply DC link; a power converter(13) for being connected to the power factor compensating circuit, supplying power from the DC link to the switched reluctance device, and holding the conductive state at least one phase of the poly-phase switched reluctance device; and the power factor compensating circuit being formed with a switched reluctance drive comprising a capacitance and a diode.
Patent KR-20010026358-A (KR)
Inventor: ISHIKAWA ATSUSHI
IPC: B29C45/38
Filed: 1999-09-06
Abstract: PURPOSE: A device and a method for gate cut are provided not to generate differential stains and forming defects in a disk by a mold opening. CONSTITUTION: A gate cut device comprises a fixing mold(12); an operating mold(32) to be freely moved forward and backward by facing to the fixing mold and to form a cavity space between the fixing mold; a spool(26) installed toward the cavity space and to be formed a depressed portion(28) to be entered a cut punch(48); a driving portion to move the cut punch forward and backward; and a controller of the driving portion to perform a gate cut by advancing the cut punch through extruding force and to reduce the extruding force under a set value before a mold opening. Thereby, the operating mold is not moved backward with maintaining the extruding force. Therefore, differential stains and forming defects are prevented.
Patent KR-20010026869-A (KR)
Inventor: CHOI SANG IL
IPC: F23L13/00
Filed: 1999-09-09
Abstract: PURPOSE: An air/fuel mixture injector for a taper-structured combustion engine is provided to effectively mix air with fuel by applying swirl to a mixer and control the flames actively according to a combustion state by changing the degree of the swirl and a flow ratio by changing the position of a nozzle. CONSTITUTION: An air/fuel mixture injector for a taper-structured combustion engine includes a nozzle(8) formed with a certain number of grooves on a surface, an outer diameter part of the nozzle tapered by a certain angle, and an inner wall of an outer tube tapered by the same angle with the outer diameter part of the nozzle, so that an interval between the outer diameter part of the nozzle and the inner wall of the outer tube becomes increased or decreased according to the motion of the nozzle.
Patent KR-20000023319-A (KR)
Inventor: AMATSUTSU HIROYUKI
IPC: F16L11/11
Filed: 1999-09-21
Abstract: PURPOSE: A pipe body having a junction is provided to finish a connection to insert a pipe body of one side to a pipe body of the other side with a simple one-touch operation in the connection between ends of pipes. CONSTITUTION: To connect ends of pipe bodies, the end(Pb) of the other side pipe body needed to connect for the end(Pa) of the other pipe body is inserted toward the direction of a pipe shaft. The pipe end(Pb) of the other side is moved into the inner side during widening toward a main direction by contacting in a guiding inclined face(31) with an inclined tub(21) of the front end, and a ring(R) is restored to the direction of a small diameter by the disappearance of the force to widen the point where a match-supportive part(22) is passed the guiding inclined face(31), and the reverse movement toward the direction separating by connecting the match-supportive part(22) and a match-supportive operating unit(32) inside the guiding inclined face(31) of the ring(R) is controlled by informing the finish of the inserting operation with a sound. Many protrusions(23,...) of the pipe end(Pb) control the movement toward the main direction by matching with many incised parts(33,...) of the ring(R).
Patent KR-20000034937-A (KR)
Inventor: KITANO MIKIO
IPC: H04R29/00
Filed: 1999-09-22
Abstract: PURPOSE: A speaker polarity judging circuit is provided to judge easily and exactly whether contact polarities of right and left speakers are matched. CONSTITUTION: A speaker polarity judging circuit comprises a test signal generator(10)which generates a test signal and consists of a write noise generator(12) and a low pass filter(14). The test signal generated from the write noise generator(12) is transferred through the low pass filter(14) to a contact point(a) of a first switch(16a) in a selector(16). A signal switching circuit(18) inverts a phase of the test signal or passes the test signal without a phase inversion according to a control of a control circuit(20), and an output of the signal switching circuit(18) is transferred to a contact point(c) of a second switch(16b) in the selector(16). A musical sound signal of a left channel is inputted to a contact point(b) of the switch(16a), and a musical sound signal of a right channel is inputted to a contact point(d) of the switch(16b). The switches(16a,16b) are interlocked according to a control of the control circuit(20). An output of the first switch(16a) is connected to a left speaker terminal(26) through an amplifier(22), and an output of the second switch(16b) is connected to a right speaker terminal(28) through an amplifier(24). The control circuit(20) control signals for controlling the signal switching circuit(18) and the selector(16) in response to a test sound/musical sound select command and a same phase/inverse phase switch command.