baber/WOPTO huggingface dataset:
Patent KR-20000056459-A (KR)
Inventor: KIM SUN TAE
IPC: C30B29/38
Filed: 1999-02-22
Abstract: PURPOSE: A device is to prepare needle-shaped bulk single crystals for nitride-based semiconductors on the surface of a cap. CONSTITUTION: A device comprises a reaction tube provided to allow an injected gas to flow from the bottom to the top; a sample container provided in the reaction tube; a first gas inlet provided under the reaction tube to allow the atmospheric gas; a second gas inlet provided under the reaction tube to allow the reactive gas and having the one side thereof passing through the sample container to be higher than the surface of the sample; a cap removably provided on the sample container to have a slant structure with the periphery lower than the center and allowing deposition of the nitride-based semiconductor generated by the reaction between the vaporized sample and the reactive gas; and an exhaust hole provided on the reaction tube to exhaust the non-reacted gas.
Patent KR-19990077612-A (KR)
Title: 시클릭비스-포스파이트및조성물
IPC: C07F9/6574
Filed: 1999-03-05
Abstract: 본 발명은 특정 신규한 비스-시클릭 포스파이트 화합물 및 그로부터 안정화된 중합체성 물질에 관한 것이다.  바람직한 양태에서, 본 발명은 예컨대, 4,4'-6,6'-테트라-tert-부틸-2,2'-비페놀 또는 2,2'-메틸렌-비스-(4,6-디-tert-부틸페놀) 뿐만 아니라 그의 동족체로부터 유도된 특정 시클릭 비스-포스파이트 및 1,3-글리콜의 상응하는 클로로포스파이트 유도체 및 하나이상의 시클릭 비스-포스파이트의 존재에 의해 열적으로 유도된 산화 분해에 대해 안정화된 중합체성 물질에 관한 것이다.
Patent KR-20000060017-A (KR)
Inventor: LEE EUL JAE
IPC: B60L15/00
Filed: 1999-03-11
Abstract: PURPOSE: An ATC signal generating apparatus and a method thereof are provided to prevent signal displacement according to aging of components which can take place in an analog circuit by digitalizing a carrier wave frequency and a code frequency without depending to the hardware when generating velocity signal for automatic driving of an electric train. CONSTITUTION: A microprocessor(10) determines a carrier wave frequency on the basis of a velocity code and a carrier wave frequency (or velocity information) externally input, takes a sine wave pattern of the carrier wave from a sine data memory(30) to calculate a sampling frequency considering a frequency range to be output, then outputs it to a data memory(46) of a digital signal synthesizer(40) through a predetermined treatment, and controls the carrier wave signal and the velocity code synthesis of the digital signal synthesizer(40) while carrying out low frequency modulation of the velocity signal. A program memory(30) stores the sine wave pattern of the carrier wave. The digital signal synthesizer(40) digital synthesize and output the carrier wave and the velocity code controlled by the microprocessor(10). A low-pass filter(60) passes those signals under a certain frequency only among the output signals of a digital/analog converter(50).
Patent KR-20000060839-A (KR)
Inventor: AHN SE YOUNG
IPC: C02F3/30
Filed: 1999-03-19
Abstract: PURPOSE: A device is provided, is characterized in that organic materials, nitrogen, and phosphate are removed simultaneously in the reactor installed anaerobic, aeration, solid-liquid separation processes. CONSTITUTION: After wastewater is input a middle part anaerobic tank(2) through an inputting pipe(1), sludge and wastewater is mixed by mixer(11), and acidic fermentation and anaerobic digestion are performed by biomass, solid-liquid separation is happened by an incline separating plate(13). supernatant water flows into an intermittent aeration zone(4), and settled sludge is discharged through a discharging pipe(15). Produced methane trapped in an upper part anaerobic tank(2) flows into trapping tank. As aerobic and anaerobic conditions are performed repeatedly, in the intermittent aeration zone(4) equipped diffuser for supplying oxygen, wastewater is treated. Finally wastewater flows into settling zone(6), and separation of solid and liquid is happened. If water quality is above a regulation of discharge limits, wastewater is treated by a membrane(10) in the membrane tank.
Patent KR-20000060899-A (KR)
Inventor: LEE GYU SEUNG
IPC: H04B7/155
Filed: 1999-03-20
Abstract: PURPOSE: A base station expanding apparatus for a mobile communication system is provided for minimizing an installation and maintenance cost by designing each expanding apparatus for obtaining a compatibility in any region. CONSTITUTION: An expanding apparatus(30) connected with a base station(200) includes a sampling recovering unit(31) for multiplying a synchronous signal received form a base station(200), a data receiving and transmission unit(30a) for receiving a digital signal from the base station(200), transmitting to other expanding apparatus and receiving and transmitting a signal received from other expanding apparatus, a forward demultiplexor(Demux)(33) for separating a digital stream outputted from the data transmission and receiving unit(30a) based the channels in accordance with a timing of a synchronous clock signal.
Patent KR-20000060992-A (KR)
Inventor: KIM SIN GYEONG
IPC: G06F1/00
Filed: 1999-03-22
Abstract: PURPOSE: A remote controller with an identification number is provided to make a computer system bootstrapped or a power module of the computer system in a normal or a wait state only if the identification number, stored in a remote control signal receiver, is identical to the identification number, included to a remote control signal transmitted from the remote controller. CONSTITUTION: The computer system(200) includes a remote controller(300) and a remote control signal receiver(400). The remote control signal receiver(400) is connected to a GPIO(252) and a before shell(293) embedded in a PCI-to-ISA bridge(250) of the computer system(200). The GPIO(252) transmits a state information of the computer system(200) from the before shell(293) to the remote control signal receiver(400). The remote control signal receiver(400) receives the remote control signal, then bootstraps or converts the computer power in a normal or waiting state according to the power state information from the before shell(293). The remote control signal is an infrared or radio frequency signal.
Patent KR-20000066032-A (KR)
Inventor: LEE SEOK JONG
IPC: A23G3/00
Filed: 1999-04-12
Abstract: PURPOSE: A manufacturing method of a ginseng snack is provided to give a soft taste in mouth without a bitter taste of the original ginseng taste and is simple to carry. CONSTITUTION: A manufacturing method of a ginseng snack is achieved by cutting water ginseng removed other alien substances into an appropriate thickness about 2-3mm and by lyophilization after mixing it with sugars like honey or fructose. The fructose or honey of 12-15 weight is added to the cut ginseng of 100 weight and mixed them to permeate the sugar into the ginseng by using a mixer. The mixture is quenched in a freezer keeping the temperature at 40°C below zero and frozen for 4 hours. The mixture is dried until the moisture content is below 5% in a vacuum freezing desiccator of 0.1 Torr or below.
Patent KR-20000073379-A (KR)
Inventor: KIM MYEONG HO
IPC: H01M10/44
Filed: 1999-05-10
Abstract: PURPOSE: A method of charging a plurality of secondary batteries is provided to reduce a charging period of time by distributing charging current adaptively to the secondary batteries. CONSTITUTION: A method of charging a plurality of secondary batteries measuring states of charging parts to inspect whether secondary batteries are connected to the charging parts, when an interrupt is generated at a standby state of a microprocessor(S30). The microprocessor calculates the amount of charging currents to be provided to the secondary batteries(S31). The calculated charging currents are set to a reference value of the microprocessor, which generates current control signals using the reference value(S32). After producing the current control signals and a driving signal, the microprocessor displays a state of the charging parts and a charging state through a display part(S33), and the procedure goes to a standby step(S40).
Patent KR-20000005791-A (KR)
Inventor: TAKAHASHI YOSHIAKI
IPC: F15D1/12
Filed: 1999-06-01
Abstract: PURPOSE: An interpreting method of friction resistance is provided to interpret more accurately the friction resistance reducing effect of the surface of a ship body by a bubble. CONSTITUTION: An interpreting method of chafing resistance has the steps of:calculating the reduced amount of the shearing stress by the bubble according to the definition of range of high frequency that the multiplication with time integral number T of the bubble and a warm current frequency is more than 1, based on the resistance; calculating the integral number K1 of wall law if the bubble having a variable of the bubble diameter d exists; calculating the rate of chafing resistance reduction in the range of high frequency.
Patent KR-20000005884-A (KR)
Inventor: HUSINO ASSUYA
IPC: B66B21/12
Filed: 1999-06-03
Abstract: PURPOSE: A conveyor is provided to correspond to a user having a difficulty walking, especially for a wheelchair user. CONSTITUTION: A conveyer has: a palette accelerating device for accelerating the palette from the 1st speed at ascending place to the 2nd speed faster than the 1st speed; a palette high-speed driving device for driving the palette to the 2nd speed; a palette decelerating device for decelerating the palette to descending place; a palette aperture face driving device for driving by synchronizing the speed of the palette aperture face to the speed of the front -back of the palette aperture face.
Patent KR-20010004653-A (KR)
Title: Apparatus for refreshing a multi-bank
Inventor: KIM JEONG HWAN
IPC: G11C11/406
Filed: 1999-06-29
Abstract: PURPOSE: A multi bank refresh apparatus is provided to improve the operation speed by improving an access time of a cell by reducing the number of refreshed banks by half as maintaining the number of cells refreshed during auto refresh operation as it is. CONSTITUTION: A semiconductor memory device comprises: a row address buffer outputting a bank selection address by receiving an address; a command decoder outputting a refresh command and a refresh row access signal by receiving an external control signal; and a number of bank row control blocks outputting a bank refresh activation signal by receiving the bank selection address and the refresh command and the refresh row access signal. A multi bank refresh apparatus realizes the high speed operation by improving a row cycle time by driving the number of activated banks by 2 bank unit. The semiconductor memory device performs the refresh operation by 2 bank unit by comprising the multi bank refresh apparatus additionally which converts a period of a refresh command signal driving the bank row control block during the refresh operation.
Patent KR-19990068846-A (KR)
Title: 비상램프를갖는도어폰
Filed: 1999-06-30
Abstract: 아파트 단지에서와 같이 공동주택의 출입문 외부에 설치되어 외부 방문자를 확인할 수 있도록하는 도어폰에 무인 경비 시스템용 비상램프를 일체형으로 형성할 수 있도록 한 비상램프를 갖는 도어폰에 관한 것이다. 
     본 발명은, 주택의 출입구외부에 설치되어 외부 방문자를 확인할 수 있도록 하는 도어폰에 외부인이 주택내부에 무단으로 침입시 이를 검출하는 감시센서와 연결되는 비디오폰의 출력신호에 의해 자동으로 점등되어 외부인이 침입된 것을 외부에 알리며, 주택내부에 설치되는 무인경비 셋트의 정상적인 작동유무를 주택 외부에서 확인할 수 있도록하는 무인 경비 시스템용 비상램프를 일체형으로 형성한 것이다. 
     이로 인해, 공동주택의 출입문 외부에 설치되어 외부 방문자를 확인할 수 있도록하는 도어폰에 무인 경비 시스템용 비상램프를 일체형으로 형성하여 부품수를 줄임에 따라 해당 부품을 제작하는 원가비용을 대폭적으로 낮추며 이로 인해 제품의 가격경쟁력을 갖게된다. 도어폰에 무인 경비 시스템용 비상램프를 일체형으로 장착하여 이들을 시공시 작업공수가 단축되어 작업성이 크게 향상되며 이로 인해 공사비용을 줄일수 있게된다.
Patent KR-20010008515-A (KR)
Inventor: JUN YUN SEOK
IPC: H01L29/78
Filed: 1999-07-01
Abstract: PURPOSE: A method for forming a dual gate electrode of a surface-channel transistor is provided to obtain an NMOS transistor by an N+ counter doping process facilitating the control of doping concentration and to realize a high thermal stability of a PMOS transistor. CONSTITUTION: A p-well(102), an n-well(103), and an isolation layer(104) are formed in a semiconductor substrate(101) of p-type. A gate oxide layer(105) is then formed on the resultant structure. Thereafter, an in-situ boron doped polysilicon layer(201) is deposited on the gate oxide layer(105). Then, while a p-well mask(302) covers a PMOS region, an N+ counter doping(301) is performed with P31 implantation of ultra low energy over the polysilicon layer(201) in an NMOS region to form an N+ gate. Here, a doping energy is below 20 keV to prevent dopant channeling, and a dose concentration is 1.0E15 per square centimeters or more. After that, an upper electrode is formed on the resultant structure.
Patent KR-20000011570-A (KR)
Inventor: BERTSHU FRANKBIRGIT
IPC: C11D3/39
Filed: 1999-07-08
Abstract: PURPOSE: A method for preparing a coated peroxide compound, especially coated sodium percarbonate is provided which has enhanced stability with respect to active oxygen. CONSTITUTION: A method for preparing a coated peroxide compound, especially sodium percarbonate comprises:spraying an aqueous solution of at least one coating component on particles of peroxide compound in a fluidized bed chamber; and drying the coated peroxide compound with a fluid gas flowing through an inlet port of the chamber in the fluidized bed temperature range of 30 to 70°C. The method uses a radial oil-filled tray with an array of nozzles in a part stream for spraying the fluid gas from an opening thereof at 30°C with respect to the horizontal plane such that pulses of the spraying nozzles are in the same direction as those of the fluid gas.
Patent KR-20010011567-A (KR)
Inventor: CHOI JONG CHEOL
IPC: G09G3/00
Filed: 1999-07-29
Abstract: PURPOSE: An apparatus for improving contrast of a liquid crystal display(LCD) projection system is provided to improve the contrast of image by using an optical shutter which is controlled according to the results of comparison between a reference level and an average level on the basis of an auto brightness limited(ABL) control signal. CONSTITUTION: A liquid crystal display(LCD) panel(15) displays an image signal supplied from an image driver(16), and projects the displayed image with light incoming from illumination optics(10-14). A polarization plate(17) selectively transmits the light projected from the LCD panel(15) according to a polarization component. A contrast controller(20) controls the projected light to transmit the projected light to the polarization plate(17), by comparing an average level of a displaying image signal with a predetermined reference level, to improve contrast of an image obtained from the light which is transmitted through the polarization plate(17).
Patent KR-20010011667-A (KR)
Inventor: LEE JONG WOO
IPC: G06F12/14
Filed: 1999-07-29
Abstract: PURPOSE: A keyboard with security function is provided to supply a security key or a security function that enables a user to select a keyboard's a "security mode state" or a "security mode cancellation state" options, to encode the keycode values in a keyboard controller's processor when the keyboard is in the "security mode state" and transmit the codified values to a computer system, and to transmit the normal keycode values in the security mode cancellation state. CONSTITUTION: A keyboard(1) includes a key scanning circuit(2) that examines whether a key has been pressed, and if pressed, the key's scan code is transmitted to a necessary routine, a data codifier(3) that codifies the key inputs depending on the security mode and the security key status, and a device function manager(4) that manages the keyboard status, creates, and transmits the security key. A public key(5), a security key(6) that provides a security function, a transmission circuit(7) that possesses a transmission buffer and transmits designated signals, a reception circuit(8) that possesses a reception buffer and receives the transmission circuit's designated signals, and a data input/output port(9) are also included in the keyboard.
Patent KR-19990078785-A (KR)
Title: 과일보호용 포장재의 제조방법
Filed: 1999-08-06
Abstract: 본 발명은 과일보호용 봉지로 사용되는 포장재의 제조방법으로서 폴리에스터 멀티필라멘트사를 제조할때 카본블랙 0.5 ∼ 3.0 중량%를 함유시켜서 흑색의 원착사를 만들고, 이것을 가연하여 5 ∼ 40 %의 크림프를 부여한 후 메리야스 조직으로 제편하여 제조하는 것임. 
     본 발명의 포장재는 일광에 대하여 쉽게 탈색되지 않으며 크림프에 의하여 루프간의 틈새가 메꾸어지므로 풍부한 신축성과 더불어서 해중침입을 효과적으로 차단시킬 수 있음.
Patent KR-20010019117-A (KR)
Inventor: CHO RE O
IPC: B60T7/10
Filed: 1999-08-25
Abstract: PURPOSE: A brake assistant device provides a safe and prompt parking without slipping even at a steep ascent and with no need to install a wooden support, etc. CONSTITUTION: A brake assistant device comprises a protrusive end(12), an actuator(30), a changeover switch(53) and a limit switch(56). The protrusive end(12) is installed protrusively in the central part of a foot brake pedal(10). The actuator is installed in front of the protrusive end(12) and fixed to a body panel(20) so as to operate the foot brake pedal(10). The changeover switch(53) is installed in the outer periphery of a parking brake lever(52) of a parking brake(51) so as to operate the actuator(30). The limit switch is installed in a body part(55) of the parking brake(50) so as to impress/cut off electricity to the actuator(30) by operating the parking brake lever(52).
Patent KR-20010025845-A (KR)
Inventor: LEE SANG HUN
IPC: F16H57/04
Filed: 1999-09-01
Abstract: PURPOSE: A bearing lubrication structure supplies lubricant oil smoothly without a large gear case or separate lubrication device for forced lubrication. CONSTITUTION: A worm gear shaft(3) which is an input shaft installed in a gear case(1) is engaged with a motor so as to be driven by the motor and to be engaged and to rotate with two-shaft worm wheel integrally. A two-shaft pinion sharing the same shaft with the two-shaft worm wheel is engaged with three-shaft gear to drive the three-shaft gear to transmit power outward via an output sprocket. Oil guiding grooves are formed on the gear case(1) to supply oil spattered by the three-shaft gear to an upper bearing when the three-shaft gear rotates to a normal direction or the a reverse direction. The bearing lubrication structure reduces noise, gives off heat generated from a bearing and extends endurance period.
Patent KR-20000023328-A (KR)
Inventor: HORI KAZUTOSHI
IPC: B62D55/253
Filed: 1999-09-21
Abstract: PURPOSE: A rubber crawler belt is provided to be used for a crawler belt type construction machine such as a crawler dump or a hydraulic pressure shovel and so on for improving endurance of an electromotive face of a front wheel. CONSTITUTION: At least any side between the right and the left among a pair of rubber electromotive unit(8) and a pair of central electromotive unit(9C) are established lengthwise of a crawler belt all the time. Therefore, the load of a front wheel is continuously received by the rubber electromotive unit(8) and the central electromotive unit(9C). In this case, at least one rubber electromotive unit(8) receives the load when loading lightly and at least one central electromotive unit(9C) receives the load when loading highly. As a result, an endurance of a rubber crawler belt is improved due to not performing the load over a specific value to the rubber electromotive unit(8) when loading highly as satisfying a feeling and a low noise while riding when loading lightly.
Patent KR-20000006664-A (KR)
Title: Meta search engine be set on computer of end user
Inventor: MUN SUNG IL
IPC: G06F17/30
Filed: 1999-09-29
Abstract: PURPOSE: A meta search engine be set on computer of end user is provided to be capable of researching or subscription search by storing result of search. CONSTITUTION: The meta search method comprises the steps of: transmitting search inquiry in a meta search engine to each search engines generally or partially, and transmitting a result of searching to the meta search engine. The meta search engine reconstructs the result of searching from the search engines, and storing the reconstructed result to end user computer.
Patent KR-20010036060-A (KR)
Inventor: LEE HAE GEON
IPC: C25C7/00
Filed: 1999-10-05
Abstract: PURPOSE: A manufacturing method of iron is provided to increase current density, thereby improving productivity of iron not only by greatly decreasing energy consumption and carbon dioxide generation but also by increasing a concentration of FeO in a molten calcium-ferrite electrolyte to 60% or more, and continuously manufacture iron blocks by using as a cathode the solid iron which is manufactured by carrying out electrolysis reaction at a temperature of an iron fusion point or less. CONSTITUTION: The manufacturing method comprises the steps of electrolyzing molten calcium-ferrite composite oxide in the ionic solution state by using as an electrolyte, and reducing iron ions contained the calcium-ferrite composite oxide to iron at cathode, wherein the calcium-ferrite composite oxide is CaO-FeO-Fe2O3, and the electrolysis is carried out at a temperature of an iron fusion point or less so that solid iron is manufactured.
Patent KR-20000029248-A (KR)
Inventor: OKUNAK NOBUYUKI
IPC: G11B5/55
Filed: 1999-10-22
Abstract: PURPOSE: A magnetic disk device, supporting the magnetic circuit to improve the precis ion for the location determination of the magnetic disk, is provided. CONSTITUTION: In a base(10), a magnetic disk(1) to record location control information or data, a spindle motor(2) to rotate the magnetic disk(1) at a speed, a head assembly comprising a magnetic head to decipher and write the location control information or data, a carriage(7) to determine the location of the magnetic head through a pivot bearing (6) and a voice coil motor to drive the carriage(7) are installed. The magnetic disk(1) are accumulated in the axis direction with a disk spacer(12) in the center, and fixed at the spindle motor(2) by a disk clamp(13). A magnet/yoke assembly(8) is formed of a yoke and a permanent magnet. The lateral surface of the magnet/yoke assembly(8) is coupled with a pointed elastic member(17). A sliding guide(16) is attached on the base(10) to easily slide the yoke.
Patent KR-20010039048-A (KR)
Inventor: JANG GEUN HO
IPC: H04N7/015
Filed: 1999-10-28
Abstract: PURPOSE: A VSB(Vestigial Sideband) convolutional deinterleaver for correcting decoding delay error is provided to correct error data by inhibiting the address designation of a memory during a synchronizing signal interval in which the error data is generated. CONSTITUTION: A write address generator(10) delays an input synchronizing signal by a decoding delay time to generate a write address, thereby correcting the decoding delay error. A read address generator(20) generates a memory read address disabled during an output synchronizing signal is output, thereby correcting the decoding delay error. A MUX(30) multiplexes addresses generated from the write address generator(10) and read address generator(20). A memory(40) has a memory area of (£M*£(B-1)B/2|+1|+1 segment size), records interleaving data in the write address output from the MUX(30) and reads data from the read address output from the MUX to deinterleave the data.
Patent KR-20010039334-A (KR)
Inventor: PARK GI NAM
IPC: H03F3/187
Filed: 1999-10-30
Abstract: PURPOSE: A low-voltage operational amplifying device is provided to maximize the current efficiency by adopting an automatic bias input transistor having a negative feed back structure. CONSTITUTION: The device includes the first and second automatic bias input transistor circuit sections(100,110) which include a plurality of biasing transistors and operational amplifiers and form a negative feed back loop. A current mirror is connected to the first and second automatic bias input transistor circuit sections(100,110) in a current mirror structure. The first automatic bias input transistor circuit section(100) supplies the first bias voltage to the second automatic bias input transistor circuit section(110) in response to the operation of the biasing transistor. The second automatic bias input transistor circuit section(110) supplies the second bias voltage to the first automatic bias input transistor circuit section(100) in response to the operation of the biasing transistor.