baber/WOPTO huggingface dataset:
Patent KR-20010045306-A (KR)
Inventor: KO HUI GWON
IPC: B41J2/16
Filed: 1999-11-04
Abstract: PURPOSE: A method for manufacturing a nozzle portion of a device for spraying ink is provided to carry out spraying of ink stably by preventing reaction between ink in an ink chamber and an ink chamber barrier because, chamber barrier is formed with metal materials. CONSTITUTION: In the method for manufacturing the nozzle portion of the device for spraying ink, a driving portion(20), a membrane(30), a nozzle portion(140) and an ink chamber(157) are included. On the upper face of an ink chamber barrier(145) including the ink chamber(157), the polymer is applied. When forming of a sticking layer(143) is finished, a wafer is separated form the nozzle portion(140) by separating a seed layer from a nozzle plate. The driving portion(20), on which the membrane(30) is sticked, is pressed on the upper part of the sticking layer(143) and thereby the completed device for spraying ink is gained.
Patent KR-20010045873-A (KR)
Inventor: LEE SU YEONG
IPC: G06F1/32
Filed: 1999-11-09
Abstract: PURPOSE: A power control device for electronics is provided to minimize consumption of electric power by cutting off the current flow while the electronics is in a waiting mode state. CONSTITUTION: The device comprises an AC line filter(300), a levelling circuit(301), a transformer(302), a low pass filter(303), a main board(304), a switch(306), and a switch driver(307). The AC line filter(300) attenuates internal noises generated from a power supply or external noises intruded in power lines. The levelling circuit(301) rectifies input AC power into DC power, and levels the DC power. The transformer(302) transforms the level of the DC power. The switch driver(307) includes a PNP transistor(307-1) and a plurality of switching devices(307-2, 307-3, 307-4). The PNP transistor(307-1) includes an emitter connected to the transformer(302), a collector connected to the switch driver(307) and a base connected to levelling circuit(301) via a resistor(R1). The switching devices(307-2, 307-3, 307-4) are in parallel connected via the base of the PNP transistor(307-1) and a resistor(R2).
Patent KR-20010045880-A (KR)
Inventor: KIM HONG GI
IPC: B23H1/04
Filed: 1999-11-09
Abstract: PURPOSE: An electrode wire maintains a rigidity in high temperature and has an excellent wire drawing processability to increase an electric discharge machining speed and improve the accuracy of treated surface comparing with the usual electrode wire. CONSTITUTION: An electrode wire comprises a steel wire(31), a copper coating layer(32) and a brass coating layer(33). The copper coating layer(32) is coated on the surface of the steel wire(31) by 20-50 of the sectional area of the electrode wire. The brass coating layer(33) is coated on the copper coating layer(32) by 3-10 of the sectional area of the electrode wire. The brass coating layer is composes of 60-65wt of copper, 35-40wt of zinc and 0.03-0.8wt of zirconium.
Patent KR-20010046446-A (KR)
Inventor: KIM SANG RYONG
IPC: H04R5/033
Filed: 1999-11-12
Abstract: PURPOSE: A device and method for transferring a sound is provided to transfer the sound from a sounder together with a controlled external sound to the user. CONSTITUTION: A device for transferring a sound comprises an external sound receiving part, a sound controlling part and a mixing and outputting part. The external sound receiving part receives the external sound and transforms the external sound to the external sound signal. The sound controlling part outputs the higher sound signal than the designated reference value of the sound signal from the sounder and the external sound signal. The mixing and outputting part mixes the sound signal from the sounder and the sound signal from the sound controlling part and outputs them. A method for transferring the sound comprises an (a) step for receiving the sound signal from the sounder and the external sound signal around the user, a (b) step for extracting the higher sound signal than the designated reference value of the sound signal from the sounder and the external sound signal and a (c) step for mixing and outputting the sound signal from the sounder and the extracted sound signal from the (b) step.
Patent KR-20010046946-A (KR)
Inventor: OH SEOK SANG
IPC: H04B7/26
Filed: 1999-11-16
Abstract: PURPOSE: A method for automatically allocating speech channels of a mobile communication system is provided to register an originating call, if a speech channel does not exist when an originating user attempts speech, and to inform the allocation of a speech channel to an MS(Mobile Station). CONSTITUTION: An MTSO(Mobile Telephony Switching Office) extracts the number of waiting persons, for guiding information to an originating MS(Mobile Station)(S31). Whether the registration in a queue is confirmed to an originating MS subscriber(S32). If so, subscriber information is stored in a queue of an HLR(Home Location Register)(S33). The originating MS subscriber is remained in a ready state, until a channel becomes vacant(S34). If a serving BTS(Base station Transceiver Subsystem) secures a margin channel(S35), the MTSO confirms the queue of the HLR(S36) and informs the allocation of a channel to the originating MS subscriber(S37). And the originating MS subscriber is deleted in the queue(S38).
Patent KR-20010047733-A (KR)
Inventor: AHN DAL
IPC: H04B1/52
Filed: 1999-11-23
Abstract: PURPOSE: A transmitter/receiver combined system using circulators and a method for canceling a transmitting signal therefor are provided to use the circulators in a wireless communication system. Therefore, it is possible to improve an electrical separation degree of the transmitter/receiver, and to lower volumes and costs of products. CONSTITUTION: The first circulator(31) receives transmitting signals from a transmitter(10), and transmits the transmitting signals to a rear terminal without a signal loss. The second circulator(32) receives the transmitting signals from the first circulator(31) to transmit the transmitting signals to an antenna(15) without a signal loss. The second circulator(32) transmits receiving signals received from the antenna(15) to an other terminal without a signal loss. The first and the second pad(33,34) receive the first transmitting signal incoming through an other terminal of the first circulator(31) in an attenuated state as much as a determined size, and receive the second transmitting signal incoming through the other terminal of the second circulator(32) in an attenuated state as much as a determined size. The first and the second pad(33,34) convert the first and the second transmitting signal into phase-inversed transmitting signals. A power divider(35) cancels the first and the second transmitting signal, and transmits the receiving signals to a receiver by combining the output signals of the first and the second pad(33,34).
Patent KR-20010047739-A (KR)
Inventor: CHO SEUNG EOP
IPC: H04M3/42
Filed: 1999-11-23
Abstract: PURPOSE: An automatic hold releasing apparatus of two line telephone is provided to lengthen an immunity time of a line interruption, sensibly perform an automatic releasing detection and be stably operated by solving a contradictional relation existing between an automatic releasing and a line interruption time of hold and allowing more time to adjust a time constant. CONSTITUTION: A hold forming unit(30) checks a voltage variation of an inputted hold signal and maintains a hold. A line interruption preventing unit(40) prevents a line interruption when a voltage variation occurs in the hold forming unit(30). An automatic releasing detector(50) monitors the hold forming unit(30), adjusts an immunity time for the line interruption of the line interruption preventing unit(40) by controlling charging and discharging time of a time constant, and automatically releases the hold of the hold forming unit(30). The automatic releasing detector(50) includes the second condenser(C2) for continuously monitoring the hold state of the hold forming unit(30) and performing an inverse-charging if the voltage variation occurs; the third transistor(Q3) connected to the second condenser(C2) and a base input terminal; and the fourth transistor(Q4) of which a base input terminal is connected to the connection portion between the third transistor(Q3) and the third condenser(C3) and a collector output terminal is connected to the hold forming unit(30).
Patent KR-20010055388-A (KR)
Inventor: JUNG UN WANG
IPC: F24C7/02
Filed: 1999-12-10
Abstract: PURPOSE: A multi-functional microwave oven adopting a quartz tube heater is provided to shorten the cooking time of food and to simplify the structure of radiation by using a quartz tube heater having a short preheat time instead of a sheath heater having a long preheat time. CONSTITUTION: A convection fan(122) is mounted on the rear of a cavity(110) and rotated by a motor(120). A couple of quartz tube heaters(130) are installed at the exhaust area of the convection heater. A suction hole(112) is formed outside the cavity at the center of the convection fan, and an exhaust hole(114) is formed outside near the quartz tube heaters. A reflector(140) reflects the radiant heat from the quartz tube heaters and prevents heated air from being discharged. The reflector has both connecting holes accepting the ends of the quartz tube heaters to supply power to the heaters easily. When the quartz tube heaters are started, radiant heat is generated to heat air. The convection heater is rotated by the motor, and the air in the cavity is ventilated into the quartz tube heaters from the center of the convection fan through the suction hole. The ventilated air is heated by the heaters and then ventilated to food from the rear in the cavity through the exhaust hole. The quartz tube heaters are preheated within 20-30sec. Therefore, hot air is supplied into the cavity within a short time and the cooling time of food is shortened.
Patent KR-20000048082-A (KR)
Title: Power window device
Inventor: SASAKI AKIRA
IPC: E05F15/00
Filed: 1999-12-10
Abstract: PURPOSE: A power window device is provided to open a window by manual operation of a window open switch, when a vehicle go under water. CONSTITUTION: A power window device comprises: a window-open switch (7D) and a window-close switch (7U) to be operated by hand, in each driver seat window operation unit (1) and assistant seat window operation unit (2); a motor driving device (13,23) to operate a motor, which opens and closes windows, to the open direction and the close direction; a motor operation control device (15,25) to control the motor driving device in accordance with the control of the window-open switch and the window-close switch; a submergence sensing device (17,27) to generate a submergence sensing signal when a vehicle go under water; a signal-transmit unit (19,29,20,30) to give and receive the submergence sensing signal.
Patent KR-20010064720-A (KR)
Inventor: HONG SEOK U
IPC: H01L21/8229
Filed: 1999-12-18
Abstract: PURPOSE: A semiconductor device with an improved scribe line and a method for manufacturing the same are provided to enhance the reliability of a semiconductor device by forming a structure for restraining permeation of moisture into a chip. CONSTITUTION: The first insulating layer(3) is formed on a semiconductor substrate(1). A chip area(CA) and a scribe line area(SL) are defined thereon. The first metal layer(5) is formed on the first insulating layer(3) of a boundary between the chip area(CA) and the scribe line area(SL). The second and the third insulating layers(7,9) are formed sequentially on the first insulating layer(3) formed on the chip area(CA) and the scribe line(SL) and on the first metal layer(5) formed therebetween. The first metal line(17) is formed on the third insulating layer(9) within the first metal layer(5). The first IMD(InterMetallic Dielectric)(11a) and the second IMD(11b) are formed on the whole face including the first metal line(17). A contact hole(21) is formed on the boundary between the chip area(CA) and the scribe line(SL). The second metal line(19) is formed selectively on the second IMD layer(11b) of the chip area(CA). The first and the second passivation layers(13,15) are formed on the second metal line(19) of the chip area(CA) and on the second IMD(11b) of the scribe line area(SL).
Patent KR-20000030109-A (KR)
Inventor: LEE YANG HO
IPC: A47L9/14
Filed: 1999-12-20
Abstract: PURPOSE: A dust bag holder of vacuum cleaner is provided to accomplish an aesthetic enhancement in external appearance with a convenient use, and in which an enhanced operation of a shutter member allows an easy opening and closure of a dust suction port, to thereby minimize a reject rate with a reduction in manufacturing cost. CONSTITUTION: The holder of dust bag inserted into a dust collecting chamber of vacuum cleaner so as to collect dust sucked via a dust suction port is configured in that a cut portion (23) of a shutter member (32) designed to be partially cut out from a second board member (20) at the dust suction port side is detached to be completely separated from the second board member (20), and pulled backward, and subsequently a handle portion (36) of the shutter member (32) is slightly pulled backward so that the shutter member 32 slides to close dust suction ports 11 and 21, thus preventing the dust collected in the dust bag from being discharged to the outside.
Patent KR-20010063527-A (KR)
Inventor: CHOI HONG GIL
IPC: H01L21/336
Filed: 1999-12-22
Abstract: PURPOSE: A method for forming a gate pattern of a semiconductor device is provided to suppress or prevent the damage of an active region during etching a WSi(x)/Poly layer and the generation of an etching residue at a field oxide edge. CONSTITUTION: A gate oxide(402), a polysilicon film(403) for a gate electrode and a tungsten silicide film(404) are formed on a semiconductor substrate(401) in sequence. And, a hard mask oxide(405) is formed on the tungsten silicide film. Then, the tungsten silicide film and the polysilicon film are etched using the hard mask as an etch barrier. The above etching process comprises a pre-etching to remove a byproduct remaining on a surface of the tungsten silicide film, a main etching to etch the tungsten silicide film and the polysilicon film using Cl2/O2 gas with a bias power of 200-300Watt, and an over-etching to over-etch the polysilicon film using Cl2/O2/HBr gas with a bias power of 45-70Watt.
Patent KR-20010064321-A (KR)
Inventor: KIM GEUN GUK
IPC: H01L27/04
Filed: 1999-12-29
Abstract: PURPOSE: An electrostatic protection circuit for CDM(Charged Device Model) is provided to protect a circuit from concentrated charges by forming a discharge device between a circuit arranged at both ends of a power line and the power line. CONSTITUTION: A circuit S1, an S2, and an S3 receive a grounding power of a VSS pad(20) from a VSS power line(10). A circuit SQ1, an SQ2, and an SQ3 receive a grounding power of a VSSQ pad(22) from a VSS power line(20). A discharge device(40) is formed with a P1, a P2, a P3, and a P4 arranged at an outside of the S1, the S3, the SQ1, and the SQ3. The S1, the S3, the SQ1, and the SQ3 is arranged at both ends of the VSS power lines(10,12). The discharge device(40) including the P1, the P2, the P3, and the P4 is a dummy well pickup device.
Patent KR-20010064450-A (KR)
Inventor: KONG HYEON CHEOL
IPC: B64G3/00
Filed: 1999-12-29
Abstract: PURPOSE: An absolute position sensing type hydraulic servo actuator is provided to realign a system at an absolute neutral position with neutral position information memorized by an absolute position sensor embedded inside a piston if the system is reoperated. CONSTITUTION: In a pair of actuators(4,5) installing a piston(7) inside a cylinder(6) to be connected with a housing(9) for connecting a rocket engine and an engine mount, an absolute position sensing type hydraulic servo actuator includes an absolute position sensor installed inside the housing and an earth end assembled body(10) for generating pulses for detecting positions, and a magnet installed at the end of the piston by a fixing member for generating a magnetic field.
Patent KR-20010058474-A (KR)
Inventor: PARK YEONG UN
IPC: H04M1/725
Filed: 1999-12-30
Abstract: PURPOSE: A digital wireless telephone set is provided to remove an echo, modulate a voice signal inputted via a telephone line to a radio signal, and enables communication between a private branch-exchange and a plurality of terminals by a digital wireless method. CONSTITUTION: A data access arrangement part(111) converts an analog signal inputted via a telephone line(L) to an analog signal that can be processed in a base set. A CODEC(112) converts the analog signal applied from the data access arrangement part(111) to a digital signal. A base band process part(113) increases a band width of the digital signal output from the CODEC(112). An RF(Radio Frequency) module modulates the digital signal having the increased band width by a digital conversion technique, and then transmits the modulated digital signal to a public line. A microcomputer(116) generates control signals for controlling each part of the digital wireless telephone.
Patent KR-20010059724-A (KR)
Title: Charging circuit
Inventor: KIM SANG U
IPC: H02J7/00
Filed: 1999-12-30
Abstract: PURPOSE: A charging circuit is provided to be capable of combining a charger for a cigar lighter and a travelling charger into single charger, thereby charging a battery for a cellular phone during travelling and driving. CONSTITUTION: The charging circuit comprises the first charging part(10), the second charging part(20) and a battery charging control part(30). The first charging part(10) outputs DC voltage as constant voltage. The second charging part(20) rectifies AC voltage into constant DC voltage. The battery charging control part(30) charges a battery in accordance with the constant output from the first or second charging parts(10,20). The second charging part(20) comprises a rectifier(21), a starter(22), a PWM circuit(23), a feedback circuit(24), a transformer and a switching transistor. The first charging part(10) comprises a constant voltage controller(11) and an inductor(L2). The battery charging control part(30) comprises a battery voltage detection and constant current circuit(31) and the second switching transistor(Q2).
Patent KR-20010066237-A (KR)
Inventor: LEE BYEONG PIL
IPC: B60R9/04
Filed: 1999-12-31
Abstract: PURPOSE: A roof crossbar is provided to vary its length for sliding in a rail. CONSTITUTION: A slider(20) is inserted inside a rail(2). A stopper(25) is vertically fixed in a center shaft of the slider(20). The stopper(25) is inserted in a hole(15) of a crossbar(10). The crossbar(10) is put in the narrowest portion of the roof rail. In sliding the crossbar(10) from the narrow portion to the wider portion of the roof rail, the entire length of the crossbar(10) is lengthened by moving the slider(20). In returning the crossbar(10), the length is reduced. The stopper(25) induces the extending direction of the slider(20) and prevents a separation of the slider(20) from the crossbar(10). The moving range of the slider(20) is decided by the length of a hole(15).
Patent KR-20000069713-A (KR)
Title: 궤양성 대장염 치료제
IPC: A61P1/00
Filed: 1998-11-02
Abstract: 본 발명은 궤양성 대장염의 손상조직을 수복하는 효과가 강하고, 또한 스테로이드제와 같은 부작용을 걱정할 필요가 없는 궤양성 대장염 치료제에 관한 것이다.  상기 치료제는 작약, 특히 작약의 침출건조엑기스 또는 작약을 함유하는 한방처방의 침출건조엑기스, 특히 가미소요산, 당귀작약산, 작약감초탕 또는 계지복령환의 침출건조엑기스를 유효성분으로 것들을 포함한다.
Patent KR-20010013912-A (KR)
Title: 재기록가능한 광 정보매체
IPC: G11B7/252
Filed: 1999-04-08
Abstract: 2개의 탄화물층(4, 6)과, Si, Ge, Mo 및 W의 물질로 이루어진 광흡수층(7) 사이에 삽입된 상변화 기록층(5)을 구비한 적층체(2)를 갖는 재기록가능한 광 정보매체에 대한 설명이 주어진다. 상기한 광흡수층은 적층체(2)에게 저속의 냉각 특성을 부여한다. 그 결과, 이와 같은 정보매체는 고속의 데이터 전송속도 기록을 위해 사용될 수 있다. 50 Mbits/s의 사용자 데이터 비트 전송속도(UDBR)가 보고되었다.
Patent KR-20010068773-A (KR)
Title: Mail to speech converting apparatus
Inventor: KIM DONG SEONG
IPC: H04L12/54
Filed: 2000-01-10
Abstract: PURPOSE: An apparatus for converting an e-mail voice is provided to divide an e-mail text into MTUs(Minimal TTS Units) and to convert the divided MTUs into voices to minimize a waiting time for listening to an e-mail as the voices and to convert the MTUs into the voices according to character kinds even if a Korean alphabet and an English are mixed in the e-mail. CONSTITUTION: An MTU(Minimal TTS Unit) divider(30) inputs an e-mail outputted from a mail server(10), and divides the e-mail into MTUs(20). A character voice converter converts the divided MTUs(20) into voices according to character kinds. A voice outputter outputs character data voice-converted into the MTUs(20) through a PSTN(Public Switched Telephone Network). The character voice converter comprises as follows. A TTS(Text To Speech) switch(40) divides the character kinds configuring the MTUs(20) to convert the MTUs(20) into the voices by a private TTS. TTS converters convert the MTUs(20) inputted through the TTS switch(40).
Patent KR-20010075861-A (KR)
Inventor: IM HANG JOON
IPC: F28D1/00
Filed: 2000-01-20
Abstract: PURPOSE: An air inlet/outlet, waste heat recovery and heat exchange system is provided to achieve an improved heat exchange efficiency by mounting metallic threads with a superior heat conductivity in the air passage. CONSTITUTION: A heat pipe(1) is shaped as a ring, and has a corrugated section at a unit including an evaporator section and a condenser section. Metallic threads having a superior heat conductivity are tightly attached to thus-structured heat pipe, so that the metallic threads absorb heat from the air and transfer the heat to the heat pipe, thereby improving heat exchange efficiency. A blower fan is mounted to a motor so as to allow the indoor air to be discharged and the outdoor air to be taken. Air filters are arranged at an outdoor air suction duct line and an indoor air discharge duct line, respectively, so as to remove foreign substances from the air.
Patent KR-20010086192-A (KR)
Title: Process for Preparing an Electret Filter
Inventor: KANG SEOK JU
IPC: B01D39/08
Filed: 2000-02-12
Abstract: PURPOSE: A manufacturing method of electrostatic filter is provided, which can produce an electrostatic filter that is excellent in dust collecting rate and has pressure drop which is less than that of the existing electrostatic filter of non-woven fabric by producing through embossing treatment of ultra sonic fusion splicing. CONSTITUTION: The method comprises as follows: (i) stretch electrostatic non-woven fabric composed of long-fiber to 10-220 % of elongation percentage; and (ii) embossing treat by ultra sonic fusion splicing of the stretched non-woven fabric.
Patent KR-20010083609-A (KR)
Title: A electro-rheological fluids comprising dried water-soluble starch as a conductive particle
Inventor: CHOI GYO JUN
IPC: C10M171/00
Filed: 2000-02-17
Abstract: PURPOSE: An electrically reformed fluid is provided to impart unique features of Newtonian fluid at non-load state of electric field whereas flow control ability at load state of the field by comprising dried water-soluble starch as the conductive particulate. CONSTITUTION: The reformed fluid is prepared by grinding the water-soluble material(103) into less than 10 micrometer size particles by means of grinder(141); drying the particles in a constant-temperature and humidity device(142) under a condition of 35-45 deg.C and 30-50% of relative humidity; blending the dried material with a non-conductive solvent(102) selected from silicon oil, transformer oil, transformer insulating solution, mineral oil or olive oil alone and/or in combination with two of them in a weight ratio of 5-70wt.% based on the solvent in a container(143); heating the obtained fluid in an oil bath(144) of 100-150 deg.C; alternatively grinding the prepared electrical reformed fluid regularly miscible together in another grinder(145); and introducing the fluid(101) into a bottle(146). The reformed fluid has 5wt.% or less of water content.