baber/WOPTO huggingface dataset:
Patent KR-20040044825-A (KR)
Title: Method for transferring recorded voice and mobile communication terminal implementing the same
Inventor: KIM JEONG EUN
IPC: H04B1/40
Filed: 2002-11-22
Abstract: PURPOSE: A method for transmitting a voice record is provided to enable a mobile communication terminal to transmit a voice record by using a selected kind of transmission when the voice record to be transmitted is selected, thereby transmitting recorded contents to other place for stably preserving the recorded contents. CONSTITUTION: When a voice record transmission menu is selected, a mobile communication terminal displays a transmission menu screen for selecting a kind of a transmission function to transmit a voice record(S300). If the kind of the transmission function is selected, the mobile communication terminal displays information on the up-to-now voice record(S310). A user selects the voice record to be transmitted, from an information screen for the voice record(S320). The mobile communication terminal transmits the voice record by using the selected kind of the transmission function(S330).
Patent KR-20040045640-A (KR)
Title: Method for heads switching which use mapping of numbers of track
Inventor: KIM JAE HYEONG
IPC: G11B5/55
Filed: 2002-11-25
Abstract: PURPOSE: A method for switching a head using the track number mapping is provided to prevent the performance deterioration of an HDD(Hard Disk Drive) even if the HDD is made by assembling the disc written in an offline STW(Servo Track Write) method. CONSTITUTION: A deviation between a reference head and other head is calculated. A mapping table having the deviation between the reference head and the other head is written/stored in a memory(S604). If a head switching operation occurs, the corresponding head is switched to a track requesting access by applying the deviation of the corresponding head to an address of the track requesting the access(S610). The deviation is obtained by referring to the mapping table stored in the memory.
Patent KR-20040045747-A (KR)
Title: Power control unit simulation device of fuel cell hybrid electrical vehicle and method thereof
Inventor: KIM JONG HEON
IPC: B60L11/18
Filed: 2002-11-25
Abstract: PURPOSE: An apparatus and a method are provided to stabilize the power unit controlled to a power line connector unit by sensing faults of the power line connector unit and controlling a switching operation of the power line connector unit. CONSTITUTION: An apparatus comprises a power line connector unit(230) including two switches(232,234) and a resistor(236) for pre-charge, wherein the power line connector unit is arranged between a power supply(210) and a load unit(220) and electrically connects the power supply and the load unit so as to control the flow of the current between the power supply and the load unit; and a control unit for performing a control operation in accordance with the signal input to the power line connector unit, and controlling a power line connection of the power line connector unit by comparing the voltage detected at both ends of the power line connector unit with a preset error range and generating a switching control signal.
Patent KR-20040046622-A (KR)
Title: Program update method of ATM distributed node
Inventor: KIM YONG JU
IPC: H04L12/28
Filed: 2002-11-28
Abstract: PURPOSE: A method for updating a program of an ATM distributed node is provided to install a memory in a main node, and to read all program contents stored in a hard disk, then to store the read program contents in the memory, thereby informing sub nodes of program file information and sequentially transmitting the contents to the entire sub nodes. CONSTITUTION: A main node(200) stores entire program files in an inner memory(S201), and transmits stored program file information to entire sub nodes(210) in multicasting method(S202). The entire sub nodes(210) transfer to a program update mode while receiving the file information, and inform the main node(200) of transferred results(S203). The main node(200) repeatedly transmits contents of the program files stored in the memory to the entire sub nodes(210) in multicasting method, and continues the transmission until all program files are transmitted in multicasting method(S204-S20n).
Patent KR-20040048740-A (KR)
Title: Phase-locked loop for providing the stable synchronous signal and phase detection method thereof
Inventor: MYUNG JUN HYEONG
IPC: H03L7/089
Filed: 2002-12-04
Abstract: PURPOSE: A PLL circuit for providing a stable synchronous signal and a method for detecting a phase thereof are provided to restrict the generation of unstable output synchronous signals by using a phase detection controller. CONSTITUTION: A PLL circuit for providing a stable synchronous signal includes a phase detector, a phase detection controller, a charge pump, a loop filter, a voltage controlled oscillator, and a frequency divider. The phase detector(110) is used for detecting a phase difference between the first input synchronous signal and an output synchronous signal according to a phase detection control signal and outputting a phase difference signal. The phase detection controller(120) is used for generating the phase detection control signal by using the first and the second input synchronous signals and the output synchronous signal. The charge pump(130) is used for supplying the current in response to the phase difference signal. The loop filter(140) is used for outputting a voltage in response to the supply amount of the current of the charge pump. The voltage controlled oscillator(150) is used for outputting an oscillation signal of a frequency in response to the output voltage of the loop filter. The frequency divider(160) is used for generating the output synchronous signal by dividing the frequency of the oscillation signal.
Patent KR-20040051248-A (KR)
Title: Structure of intake and exhaust for turbo inter cooler vehicles
Inventor: KIM CHANG SEONG
IPC: F02B29/04
Filed: 2002-12-12
Abstract: PURPOSE: Structure and method for the intake and exhaust of a turbo-intercooler vehicle are provided to elevate the convenience for a driver and the marketability of a vehicle by improving the startability of the vehicle and to enhance the engine efficiency by improving the output of an engine and fuel efficiency. CONSTITUTION: Structure for the intake and exhaust of a turbo-intercooler vehicle comprises an engine(300) having a glow plug(310), a turbocharger(400) consisting of a compressor(410) and a turbine(420), and an intercooler(110) and a pre-heater(120) communicated with an intake pipe(100) between the turbocharger and the engine. A three-way switching-over valve(500) is prepared between the compressor and the intercooler and between the intercooler and the pre-heater. A control unit(600) connected with a starting switch(610), an intake air temperature sensor(620) and a coolant temperature sensor(630) controls the three-way switching-over valve, the glow plug and the pre-heater.
Patent KR-20040052040-A (KR)
Title: ProPeller Shaft Assembly of Automobile
Inventor: CHAE CHANG GUK
IPC: B60K17/24
Filed: 2002-12-13
Abstract: PURPOSE: A propeller shaft assembly for a vehicle is provided to prevent vibration from being transmitted from a propeller shaft to a vehicle body by changing a damping region according to the vibration of a support bracket. CONSTITUTION: A propeller shaft assembly for a vehicle is composed of a plurality of propeller shafts longitudinally installed between a transmission and a driving wheel to transmit driving force completing the shift to the driving wheel; joints(62,64) mounted between the propeller shafts to connect to cross centers of axes of the propeller shafts; a support bracket(68) for rotatively supporting the propeller shaft to a vehicle body; and a dynamic damper(70) disposed to the support bracket to perform damping operations by generating vibration with phase opposite to the vibration of the support bracket changed to crosshatch angle between the propeller shafts.
Patent KR-20040053904-A (KR)
Title: Semiconductor Trimming Apparatus Having Leadframe Ejection Equipment For Quality Monitoring
Inventor: JANG SANG HO
IPC: H01L21/50
Filed: 2002-12-16
Abstract: PURPOSE: Semiconductor trimming equipment having a Lead frame ejection unit for monitoring quality is provided to improve productivity and reduce failure in quality by periodically ejecting monitoring object material without stopping the semiconductor trimming equipment. CONSTITUTION: Semiconductor trimming equipment includes a loading part, a trim press part, an unloading part, and a main part. The unloading part includes a lead frame buffer(202) for storing a lead frame(203), a slider(201) connected with a monitor window(105) for ejecting the lead frame, and the first picker support(209). The unloading part further includes the second picker support(208) mechanically connected with the first picker support for being moved up and down, and a picker(205) mechanically connected with the second picker support for transferring the lead frame to the slider.
Patent KR-20030055134-A (KR)
IPC: G06F13/00
Filed: 2002-12-24
Abstract: 본 발명은 표시장치의 제조방법과 그 제조장치에 관한 것으로서, 액정표시장치(12)의 화상 검사를 실시하기 위한 화상 테스트 데이터를 선택하는 테스트 데이터 선택 공정과, 제조 번호를 읽어들이는 제조번호 읽기 공정과, 화상 테스트 데이터에 대응한 E-EDID정보 중 규정의 제조 데이터를 화상 검사장치에서 호출하고, 이 호출한 규정의 제조 데이터와, 읽어들이는 제조 번호와, 타이머가 계측하고 있는 현재의 제조 년주(年週)를 E-EDID정보로서 ROM(18)에 기록하는 E-EDID정보 기록 공정과, 선택한 화상 테스트 데이터에 의해 화상 검사를 실시하는 화상 검사 공정으로 이루어지며, 액정표시장치(12)에 설치된 ROM(18)으로 E-EDID정보를 기록하는 방법으로서, 기록하는 작업 공정을 화상 검사와 연속해서 동일한 장치를 이용하여 실시하는 방법을 제공하는 것을 특징으로 한다.
Patent KR-20040061552-A (KR)
Title: Method for Determining Synchronization of Up-Link in Universal Mobile Telecommunication System
Inventor: KWON HYEOK JUN
IPC: H04B7/26
Filed: 2002-12-31
Abstract: PURPOSE: A method for judging uplink synchronization of a mobile communication system is provided to remove a time difference of a synchronous report period according to dedicated physical channel TTI(Transmission Time Interval) and transport blocks in the TTI, and improve the fading characteristic of a transport channel. CONSTITUTION: Synchronization is judged according to a bit error rate of a pilot related to a transport block transported from a user equipment for the first set time by using a sliding window of the first set time. Synchronization is judged according to a set ratio of a CRC(Cyclic Redundancy Check Code) OK to the transport block transported from the user equipment for the second set time by using a sliding window of the second set time.
Patent KR-20020042726-A (KR)
IPC: H01L21/312
Filed: 2000-10-18
Abstract: 플루오로기가 실세스퀴옥산 케이지의 실리콘 원자에 결합되어 있는 구조를 가진 플루오로 치환된 실세스퀴옥산 박막의 어레이가 제공된다.  제 1 측면에서, 본 발명은 화학식 [F-SiO 1.5 ] x [H-SiO 1.5 ] y (여기서, x+y=n, n은 2 내지 30의 정수, x는 1 내지 n의 정수, y는 0 내지 n의 정수)를 갖는 기화된 물질을 포함하는 조성물을 제공한다.  또한, 이러한 전구체로부터 제조된 막과 이들 막을 포함하는 물건이 제공된다.
Patent KR-20020053827-A (KR)
IPC: G02B5/20
Filed: 2000-02-29
Abstract: 한 편광을 갖는 빛을 투과시키고 수직 편광을 갖는 빛을 반사시키는 구조물의 제1 면 상에 배치된 반사 편광자, 및 구조물의 제2 면 상에 배치된 1개 이상의 착색 2색성 편광자를 포함하는 편광자 구조물이 설명된다.  1개 이상의 착색 2색성 편광자는 구조물을 제1 면에서 조명하였을 때 제2 면에서 구조물을 바라보는 관찰자가 가시광의 제1 분광 분포를 관찰하게 되고, 구조물을 제2 면에서 조명하였을 때 제2 면으로부터 구조물을 바라보는 관찰자가 제1 분광 분포와는 상이한 가시광의 제2 분광 분포를 관찰하게 되도록 배열된다.  변색 및 상 반전현상 효과를 달성하기 위하여 착색 편광자를 사용하는 다양한 표시장치 구조물도 또한 설명된다.
Patent KR-20020063589-A (KR)
IPC: E05B81/76
Filed: 2001-10-11
Abstract: 본 발명은 제 1 근접 센서부(11, 14)를 포함하는, 자동차의 개방 및 로킹 과정을 개시하기 위한 장치에 관한 것이며, 상기 센서부는 사용자가 제 1 근접 센서부(11, 14)에 근접할 때, 자동차(40)의 폐쇄 시스템(46, 48)의 개방 과정을 개시하기 위한 해제 목표 신호(20)를 발생시킨다.  또한 제 2 근접 센서부(12,16)가 제공되며 상기 센서부는 사용자가 제 2 근접 센서부(12, 16)에 근접할 때, 자동차(40)의 폐쇄 시스템(46,48)의 로킹 과정을 개시하기 위한 로킹 목표 신호(22)를 발생시킨다.
Patent KR-20020080415-A (KR)
Title: 기록 매체를 수용하기 위한 기록 매체 수용체, 및 기록매체를 수용한 정보 제공체
IPC: B65D85/57
Filed: 2001-02-09
Abstract: 본 발명은 기록 매체와 기록 장치를 보관할 수 있는 기록 매체 수용체를 제공한다.  기록 매체와 기록 장치를 수용하는 수용 부재(100)와, 지지할 기록 매체를 1장 수용가능한 보조 수용 부재(700)를 갖는다.  수용 부재(100)는 지지할 기록 매체를 적어도 1장 수용가능한 제1 수용 영역(200)과, 데이터를 기록하기 위한 기록 장치를 적어도 1개 수용가능한 제2 수용 영역(300)을 갖는다.  수용 부재(100)는 제1 부재(110), 제2 부재(120) 및 이들을 연결하여 폴더 형상의 구조로 하는 연결 부재(130)를 갖는다.  보조 수용 부재(700)는 연결 부재(130)에 착탈가능하게 연결되며, 제1 부재(110)와 제2 부재(120)를 접었을 때에 그들 사이에 위치한다.
Patent KR-20020077463-A (KR)
IPC: H02K9/00
Filed: 2001-11-30
Abstract: 로터(10)와, 축방향으로 연장하는 코일(22) 및 동심 엔드와인딩(28, 128, 228)을 포함하는 로터 권선과, 인접한 스페이스블록 및 인접한 엔드와인딩에 의해 경계가 정해지는, 다수의 캐비티(42, 142, 242)를 규정하기 위해 인접한 엔드와인딩 사이에 위치된 다수의 스페이스블록(40, 140, 240)을 포함하는 가스 냉각식 발전기 기계가 제공된다.  계자 엔드와인딩 영역의 구리 단부 턴(27, 127, 227)으로부터의 열 전달률을 향상시키기 위해, 엔드와인딩(128, 228) 및/또는 스페이스블록(140, 240)의 캐비티 지향 표면(144, 146, 156, 244, 246, 256)은 평평하지 않은 표면 프로파일을 가져, 표면적을 증대시키고 표면상의 난류 혼합을 향상시키고 경계층 분열을 제공한다.
Patent KR-20030019381-A (KR)
IPC: H04W76/02
Filed: 2001-04-27
Abstract: 본 발명은 하나의 무선 전화 회선을 사용하면서, 각 슬레이브 통신 장치가 마스터 통신 장치를 중계하지 않고 단독으로 호스트국을 통한 무선 전화 통신을 행하는 것이 가능하며, 또한 호스트국 측에서 인증 등의 특별한 처리를 행할 필요가 없는 무선랜 시스템에 이용되는 슬레이브 통신 장치에 대한 기본적인 구성이나 제어 방법, 제어 프로그램 등을 제공하는 것으로, 마스터 통신 장치(1)의 송수신 수단(5)을 온으로 하고 각 슬레이브 통신 장치(2)의 송수신 수단(5)을 오프로 하는 통상시에 있어서의 제1 상태와 마스터 통신 장치(1)의 송수신 수단(5)을 오프로 하고 제어 위임 대상이 되는 어느 1대의 슬레이브 통신 장치의 송수신 수단(5)만을 온으로 하는 제어 위임시에 있어서의 제2 상태를 전환하기 위해서, 제어 수단(6)은, 통상은 송수신 수단(5)을 오프로 하여 무선 신호의 출력이 금지되는 출력 금지 상태로 하고, 제어 위임 사유의 발생에 따라 마스터 통신 장치(1)로부터 자기 앞으로 송신된 제어 위임 신호를 근거리 무선 통신 수단(4)으로 수신하면 송수신 수단(5)을 온으로 하여 무선 전화 회선을 이용한 무선 신호의 출력이 이루어지는 출력 허가 상태로 하고, 출력 허가 상태에 있어서 제어 위임 종료 사유가 발생하면 송수신 수단(5)을 다시 오프로 하여 출력 금지 상태로 복귀하도록 송수신 수단(5)을 제어한다.
Patent KR-20030007795-A (KR)
IPC: F01N3/01
Filed: 2001-05-29
Abstract: 본 발명은 입자 트랩, 특히, 재생될 수 있으며 파이프, 예를 들면 자동차량의 배기 조립체에 설치될 수 있는 입자 트랩에 관한 것이다.  입자 트랩은 입자가 유동에서 유지되거나 난류에 의해 유체로부터 침전되어 산화될 때까지 유지될 수 있도록 하는 개방 시스템이다.
Patent KR-20030007865-A (KR)
IPC: G06F17/30
Filed: 2002-04-02
Abstract: 태그 판독기(예를 들어, RFID 또는 바코드 판독기(11)), 태그들로부터 판독된 정보를 정보 인터페이스(13)와 통신할 수 있는 통신 유닛, 및 제어기(12)를 포함하는 자원 제한된 장치가 개시되어 있다.  제어기(12)는 통신 유닛을 통해 정보 인터페이스에 정보를 전송하도록 구성된다.  정보 인터페이스는 응답(예를 들어, XML 문서를 포함함)을 반송한다.  응답은 동작 유닛(예를 들어, 세탁기)의 수행을 수정하는 동작 파라미터들을 조정하는 제어기에 의해 사용된다.
Patent KR-20030027900-A (KR)
IPC: G11B7/244
Filed: 2001-06-18
Abstract: 본 발명은 적어도 2 개의 발색단과 그 발색단을 연결하는 링키지를 갖는 화합물을 함유하는 소재를 사용하여 정보를 광저장하는 방법에 관한 것이다. 광저장 방법은 파장 100-1600 nm의 빛을 사용하는 것이 효과적일 수 있다. 본 방법에 적용가능한 화합물은 전형적으로 펩타이드 또는 아미노산, 또는 다른 방편으로 펩타이드 핵산(PNA)로 구성된 뼈대(skeleton)를 토대로 한 다이머이다. 상기 발색단은 티민, N-(C 1-6 -알킬)-티민, 안트라센, 아크리디지늄 염, 테트라센 등일 수 있다.
Patent KR-20040063349-A (KR)
Inventor: CHUNG JAI SHIN
IPC: H04W76/02
Filed: 2003-01-07
Abstract: PURPOSE: A multi-mode communication system operable according to a GSM/WCDMA mode is provided to allow a user to use a phone both in the GSM and in WCDMA mode. CONSTITUTION: The first switching unit(120) receives an analog signal. A delta-sigma modulator(102) samples the analog signal inputted through the first switching unit(120) in the first mode. An analog-digital converter(104) samples the analog signal inputted through the first switching unit(120) in the second mode. The second switching unit(130) selectively receives an output of the delta-sigma modulator(102) and the analog-digital converter(104). Sequential convolution units(106-110) multiply the output of the delta-sigma modulator inputted through the second switching unit(130) in the first mode to a filter coefficient and multiply the output of the analog-digital converter(104) inputted through the second switching unit(130) in the second mode to PN(Pseudo Noise) codes, and add them to generate output wave form of the second mode. A selector(112) restores the outputs of the sequential convolution units(106-110) in the first mode to an output wave form of the first mode by delaying the outputs for a predetermined time.
Patent KR-20040069843-A (KR)
Inventor: KO GWAN JU
IPC: H01L21/336
Filed: 2003-01-30
Abstract: PURPOSE: A method for forming a gate of a semiconductor device is provided to etch cleanly a sidewall of a gate and remove fully residues by using a SiGe layer as an etch-stop layer. CONSTITUTION: A gate oxide layer(12) is formed on an upper surface of a semiconductor substrate(11). A Si seed layer(13), a SiGe layer(14), and a polysilicon layer(15) as a gate are sequentially formed on an upper surface of the gate oxide layer. A photoresist pattern is formed on an upper surface of the polysilicon layer. The exposed polysilicon layer is etched by using the photoresist pattern as a mask. In the etching process, the SiGe layer is used as an etch-stop layer. The residual SiGe layer and the residual Si seed layer are removed by performing an over-etch process.
Patent KR-20040071509-A (KR)
Inventor: KIM SEO GYU
IPC: G06F21/86
Filed: 2003-02-06
Abstract: PURPOSE: A security device for a smart card is provided to protect a password more safely from the external hacking by the power analysis and a decapsulation state of the smart card. CONSTITUTION: The external voltage applied to a smart card chip(6) is supplied to an internal voltage node(11) through a switch. The internal voltage node is connected to the ground voltage through a diode and a resistor. A variable capacitor is connected between the internal voltage node and the ground voltage. A variable control unit(10) comprises a comparator connecting a non-inverted input terminal with the internal voltage node and the reference voltage, an up/down counter generating the digital counting output by responding to a comparison signal output from the comparator, a DAC(Digital Analog Converter) converting the counting output into a variable control signal of an analog value.
Patent KR-20040073087-A (KR)
Title: Wafer holder
Inventor: AHN BYEONG SEOL
IPC: H01L21/68
Filed: 2003-02-13
Abstract: PURPOSE: A wafer holder is provided to enhance the productivity by reducing damage and scratches of a wafer in a process for fixing the wafer to a wafer holder. CONSTITUTION: A plurality of pads(130) are arranged on the surface of a plate(110) in order to support a wafer. A plurality of guide pins are installed at a predetermined position on the plate opposite to a lateral part of the wafer. The guide pins are used for aligning the wafer supported on the pads at a predetermined loading point. The guide pins are located vertically to the plate. One of the guide pins is inserted into a notch(142), which is formed on the lateral part of the wafer by moving the wafer. Each external part of the guide pins is formed with plastics.
Patent KR-20040076087-A (KR)
Inventor: JUNG BO YONG
IPC: G11C19/28
Filed: 2003-02-24
Abstract: PURPOSE: A buffer circuit and an active matrix display apparatus using the buffer circuit are provided to reduce power consumption by eliminating a static current flowing on the buffer circuit. CONSTITUTION: Inverters(INV2-INV4) include PMOS(P-channel Metal-Oxide Semiconductor) transistors(M1,M3,M5) whose sources are connected to a power source supplying a high level voltage(VDD) and PMOS transistors(M2,M4,M6) whose drains are connected to a power source supplying a low level of voltage(VSS). The drain and the source of each transistor are respectively connected. Contact points of the drain and the source are outputs(Vout2,Vout3,Vout) of the inverters. The output(Vout) of the inverter is an output of a buffer circuit. A capacitor(C1) is formed between a gate and a source of the transistor(M6). An input voltage(Vin) of the buffer circuit is inputted to an inverter(INV1) and the gate of the transistor(M2). An output voltage(Vout1) of the inverter(INV1) is inputted to gates of the transistors(M1,M4). The output voltage(Vout2) of the inverter(INV2) is inputted to gates of the transistor(M3,M6). The output voltage(Vout3) of the inverter(INV3) is connected to a gate of the transistor(M5).
Patent KR-20040078198-A (KR)
Inventor: CHAE JANG JIN
IPC: G06K9/00
Filed: 2003-03-03
Abstract: PURPOSE: A pupil area presuming method for recognizing an iris is provided to perform iris recognition fast by finding out a difference image from two images applying a different brightness parameter and presuming a position of the pupil. CONSTITUTION: After one light is selected/turned on, a focus is adjusted(S201). After the adjustment of the focus, two continued images are obtained by applying two different brightness parameters(S202). The difference image for the obtained two images is found out(S203). The position of the pupil is presumed from the difference image(S204). If the position of the pupil is presumed, an examination range of an iris area is defined(S206). The iris recognition is tried by coding the defined iris area(S207).
Patent KR-20040078419-A (KR)
Inventor: HAN BYEONG UK
IPC: H05B33/10
Filed: 2003-03-04
Abstract: PURPOSE: A mask for organic electroluminescence is provided to prevent deflection of the mask and allow for ease of handling of the mask by forming a reinforcement band around a cell or at the closing region of the cell. CONSTITUTION: A mask(21) for organic electroluminescence comprises a reinforcement band(27) arranged around or in cell areas arranged in the mask. The reinforcement band is arranged in the mask in the side opposite from a glass substrate during deposition of organic film of an organic electroluminescence device. The reinforcement band is formed by an electro-forming process performed at the temperature of 50 to 70 Deg.C, or a vacuum deposition process performed at the temperature of 150 to 200 Deg.C.
Patent KR-20040079303-A (KR)
Inventor: PARK WON CHUN
IPC: C04B18/04
Filed: 2003-03-07
Abstract: PURPOSE: A cement substituent for an initial strength-compensating concrete and an initial strength-compensating concrete containing the cement substituent are provided, to obtain a cement substituent with preventing the deterioration of initial strength by recycling industrial waste materials. CONSTITUTION: The cement substituent comprises 40-60 wt% of slag fine powder having a viscosity of 3.0-3.1 and a specific surface area of 5,500-6,000 cm2/g; 0.5-2.5 wt% of calcium oxide; 0.5-1.0 wt% of lithium carbonate; and the balance of fly ash fine powder having a viscosity of 2.2-2.35 and a specific surface area of 4,200-4,800 cm2/g. The initial strength-compensating concrete is such that 20-30 wt% of cement is replaced by the cement substituent.
Patent KR-20040080290-A (KR)
Inventor: SHIN GYU CHEOL
IPC: G03G15/00
Filed: 2003-03-11
Abstract: PURPOSE: An electrophotographic imaging device and a developing control method are provided to obtain replacement information of a photosensitive medium and a developer by a measured developing current value and control a developer thickness of a developing roller surface and the developing quantity of a photosensitive medium surface. CONSTITUTION: A charging unit charges the surface of a photosensitive medium(110) as a uniform electric potential. An exposure unit(130) scans light on the surface of the photosensitive medium, and forms an electrostatic latent image. A developing roller(140) attaches a developer on the electrostatic latent image, and develops the electrostatic latent image. A developer supply roller(150) supplies the developer to the developing roller. A transferring unit transfers an image developed on the surface of the photosensitive medium to papers. A current measuring unit measures a developing current which flows between the developing roller and the photosensitive medium. A control unit(180) calculates at least one of a photosensitive film thickness of the photosensitive medium, a developer thickness of a developing roller surface and a developing quantity of a photosensitive medium surface according to the measured developing current. The control unit displays replacement information of consumption components or controls developing variables on the basis of the calculated value.