baber/WOPTO huggingface dataset:
Patent KR-20080010311-A (KR)
Title: Textile sheet material, method for producing and use thereof
Inventor: BRAUN WOLFGANG BRAUN
IPC: D04H1/4234
Filed: 2007-07-24
Abstract: A textile sheet material, a method for preparing the same, and a user of the same are provided to give a good conductivity, a small thickness, a small weight, and an excellent flexibility to the textile sheet material, by preparing the textile sheet material to have a mesh structure formed of a conductive material . A textile sheet material is used for interlining in a textile industry. The textile sheet material comprises a support prepared by using a nonwoven fabric, a woven fabric, a knitted fabric, etc., as a base material. The support has a mesh structure including meshes, which are formed of conductive materials crossing-linked and connected in a first dimension or a second dimension. The conductive materials includes conductive yarns or a yarn combination where the conductive yarns are combined.
Patent KR-20090014826-A (KR)
Title: A reduction speed control method during regenerative braking for an electric vehicle
Inventor: YANG BYEONG CHEOL
IPC: B60L11/18
Filed: 2007-08-07
Abstract: A deceleration control method in regenerative braking for an electromobile is provided to minimize change of deceleration of an automobile by controlling a friction brake with corresponding to creep torque of a driving shaft. As to an electromobile including a hybrid electric vehicle and a fuel cell vehicle, if an accelerator pedal position is in the non-operation location, the braking torque which is suitable for engine brake effect is generated at the driving shaft according to predetermined value. In case the velocity of car is reduced less than a speed determined in advance, the engine brake effect is reduced according to the predetermined value. As the velocity of car is more reduced, the predetermined creep torque is generated. In case the creep torque is generated, the frictional braking torque supplementary quantity is computed. The frictional braking torque is increased as the supplementary quantity.
Patent KR-20090015601-A (KR)
Title: Speaker unit
Inventor: PARK YONG HYUN
IPC: H04R9/02
Filed: 2007-08-09
Abstract: A speaker unit for preventing single vibration of vibration plate is provided to easily prevent single vibration of a vibration plate by forming resonance space in a body of a speaker unit. A fixed space is formed inside a body(100). A top plate(310) is installed in a top of the body. A bottom plate(320) is installed in a bottom of the body. A magnetic(110) is installed inside the body. A coil(120) surrounds the magnetic, and forms a magnetic field. A vibration plate(130) is contacted with the coil. An input/output terminal(200) is connected to the coil, surrounds a side part of the vibration plate, and is arranged in constant distance from an edge of the vibration plate.
Patent KR-20090018496-A (KR)
Title: Cap for container
Inventor: SON DAE SIK
IPC: B05B7/24
Filed: 2007-08-17
Abstract: A container cap is provided to improve structure of the container cap such that the cap is not easily opened. A container cap(100) comprises: an inner cap(110) joined with a container; an outer cap(120) disposed on an outer side of the inner cap to join the inner cap with the container or release the inner cap from the container by rotating the inner cap; rake parts(130) which are disposed on an inner part of the outer cap, and of which one side is formed to be inclined toward the inner cap; and locking parts(140) formed on the inner cap such that the locking parts are locked to one side of the rake parts when the locking parts rotate in the outer cap joining direction, and the locking parts are locked to one side or the other side of the rake parts when the outer cap is pressed and rotated at the same time.
Patent KR-20070091252-A (KR)
Title: The brewage way of gourd leaf tea
Inventor: YOU YEN SIL
IPC: A23F3/00
Filed: 2007-08-16
Abstract: A method of manufacturing gourd leaf tea by roasting a dried gourd leaf on a hot steel plate about 3 times and rubbing the roasted gourd leaf with both hands and fermenting with sugar or oligosaccharide is provided. The method recycles the gourd leaf which is discarded and produces tea having a good taste and flavor. A gourd leaf is cut into 3cm in width and dried for one day. The dried gourd leaf is roasted on a heated steel plate at 200deg.C in the first step and at 120deg.C in the second step and rubbed with both hands. The rubbed gourd leaf is roasted on a steel plate at 70deg.C to a moisture content of 5 to 6% while slowly stirring not to scorch and fermented with sugar or oligosaccharide.
Patent KR-20090020069-A (KR)
Title: A pressure control valve
Inventor: SEO WHI DUCK
IPC: F16K47/08
Filed: 2007-08-22
Abstract: A pressure control valve is provided, which prevents the discharge of flux from being increased, improves the safety, and reduces the manufacturing cost. A pressure control valve comprises: a valve body(10) discharging the fluid; an outlet pressure adjuster unit(20) which is installed at the outlet pressure control space(12) of the valve body, controls the outlet pressure, and discharges flux of the fluid; and an excessive pressure control spool(30) which is installed at the excessive pressure control space(13) of the valve body and controls the outlet pressure if the excessive pressure is generated in an inlet.
Patent KR-20090020765-A (KR)
Title: Apparatus and method for space tieme encoding in relay wireless communication system
Inventor: KWUN JONG HYUNG
IPC: H04B7/04
Filed: 2007-08-24
Abstract: A space-time coding apparatus in a relay wireless communication system and a method thereof are provided to determine space-time codes used for a transmission stage and relay station according to channel information and make the relay station strengthen and space-time encode a signal. A determining part(302) determines the first space-time code used for a transmission stage and the second space-time code used for a relay station by using the channel information between the relay station and the opposite side reception node. An encoding part(310) space-time codes the second space-time code information and data signal according to the first space-time code. A transmitting part(312-1~312-N) transmits the space-time coded signals to the relay station through a plurality of transmission antennas. An encoding and modulating part(308) codes/modulates a transmission bit string according to an MCS(Modulation and Cording Scheme) level.
Patent KR-20090021592-A (KR)
Title: Air conditioner eev checking method
Inventor: CHOI DONG SUK
IPC: F24F11/00
Filed: 2007-08-27
Abstract: A method for monitoring the abnormality of an electronic expansion valve of an air-conditioner is provided to determine the abnormality of the electronic expansion valve quickly and accurately and check the lack of coolant with operating the air-conditioner for a specific time. A method for monitoring the abnormality of an electronic expansion valve of an air-conditioner comprises a first step of starting the cooling operation of the air-conditioner(S110), a second step of partly opening the electronic expansion valve of the air-conditioner(S120), a third step of maintaining the present opening degree of the electronic expansion valve for a set time(S130), a fourth step of measuring the degree of overheating at the present opening degree and storing the measured overheating degree(S140), a sixth step of calculating the deviation of the overheating degrees measured in the fourth step and the average overheating degree according to the opening degree of the electron expansion valve measured in the second step(S160), and a step of indicating the normality or abnormality of the air-conditioner depending on whether the sum or average of deviations is within the allowable error range(S180,S182).
Patent KR-20090022860-A (KR)
Title: Washing machine
Inventor: JANG YEOUNG KEUN
IPC: D06F33/02
Filed: 2007-08-31
Abstract: A laundry treating equipment is provided to allow a user to grasp a reason of malfunction by easily checking an error record. A laundry treating equipment comprises: a washing device(10) consisting of an element performing a laundry process; an input unit(60) in which a user can input command; a display unit(50) expressing a state of the washing device; a control unit(20) controlling all kinds of signals according to a signal inputted to the input unit; and a error sensing unit(70) perceiving the error generated in the laundry process of the washing device and authorizing the error signal in the control unit.
Patent KR-20090024312-A (KR)
Title: Weaving method and woven fabrics thereof for matrix net
Inventor: CHA YONG CHUL
IPC: D03D25/00
Filed: 2007-09-04
Abstract: A weaving method for a mesh net and weaving fabric thereby are provided to improve intensity of a contact point by processing plain weaving with organization of the respective contact point of rib. A weaving method for a mesh net comprises the following steps of: picking a weft in intersection space formed by movement of leno weaves, plain weave, and heedles(201a, 201b, 201c, 201d, 201e, 201f, 201g) to up and down; picking a b weft in shed space formed by movement of plane heedles of a weaving 2 process; picking a c weft in the shed space formed by movement of plane heedles of a weaving 3 process; picking a d weft in the intersection space on a right side of a weaving 4 process; picking an e weft in the space of a weaving 5 process; and picking an f weft in the space of a weaving 6 process.
Patent KR-20090025698-A (KR)
Title: Heat exchanger
Inventor: SEO KOOK JEONG
IPC: F28F19/02
Filed: 2007-09-07
Abstract: A heat exchanger is provided to reduce the time the water stays in the fins by using a hydrophilic member for drawing the water in the bottom of the fins. A heat exchanger comprises a plurality of heat exchange fins(11) arranged side by side, a coolant pipe(12) passing through the heat exchange fins to guide coolant, a water spray pipe(13) passing through the heat exchange fins to supply water, and a hydrophilic member(30) contacting the bottom of the heat exchange fin. The hydrophilic member is made of elastically deformable material and has a hydrophilic layer on the surface.
Patent KR-20090025743-A (KR)
Title: Method for manufacturing circuit pattern-embedded printed circuit board of micro bump on pad structure
Inventor: CHA SANG SUK
IPC: H05K3/46
Filed: 2007-09-07
Abstract: A method for manufacturing a circuit pattern-embedded printed circuit board of a micro bump on a pad structure is provided to improve the micro short in the micro circuit pattern by embedding the circuit pattern inside the insulating layer. A conductive seed metal is formed on the surface of the first material. An outer layer circuit pattern including a solder ball land that is sub-layer is formed on one side of the first material(S1). A conductive micro bump is formed in the location of solder ball land(S2). The conductive micro bump passes through an insulating layer(S3). The conductive seed metal is formed in the second material. The outer layer circuit pattern including the wire bonding part which is the upper layer is formed in one side of the second material(S4). The first material and the second material are laminated(S5). The first material and the second material are separated(S6). The seed layer is removed using the micro-etching method(S7). The pad for connecting the outside is exposed by coating the solder resist to the upper layer and the sub-layer(S8). The nickel and gold plating layer is formed on the solder ball land region and a wire bonding region(S9).
Patent KR-20090027369-A (KR)
Title: Method for detecting an edge in measurement system
Inventor: LEE JEONG HWAN
IPC: G01B11/24
Filed: 2007-09-12
Abstract: A method for detecting an edge in a measurement system is provided to simplify computational processes by omitting an afterward filtering process by removing detected edge bevel face data after detecting edge value among detected raw data. A method for detecting an edge in a measurement system comprises: a step(S505) measuring measured object; a step(S509) calculating the variation transition of the measured raw data; a step(S515) detecting threshold area with edge value in case curvature is threshold among the variation transition; and a step(S517) detecting the area over the threshold with edge bevel face data and automatically removing detected edge bevel face data.
Patent KR-20090012979-A (KR)
Title: Method and apparatus for forbidding consuming digital contents against copy control information
Inventor: KIM BONG SEON
IPC: G11B20/10
Filed: 2007-09-13
Abstract: A method and an apparatus for forbidding the use of digital contents against copy control information are provided to prevent disc cloning attack by allowing the use of contents only when the nonce stored in the memory coincides with the nonce stored in the corresponding storage. A method for forbidding the use of digital contents against copy control information comprises a step of creating nonce for each storage connected to a protective device and storing it in a separate memory and the corresponding storage, a step of updating the nonce stored in the memory and the nonce stored in the storage to the identical value when content is moved from the original storage, and a step of, when the use of at least one of the contents in the storages is requested, selectively allowing the use of the requested content depending on whether the nonce stored in the storage including the requested contents and the nonce of the corresponding storage stored in the memory.
Patent KR-20090032560-A (KR)
Title: Apparatus and method for detecting voice activity in electronic device
Inventor: YOO SUNGYUB DANIEL
IPC: G10L25/78
Filed: 2007-09-28
Abstract: A method for detecting a voice in an electronic device and an apparatus therefor are provided to improve the performance of detecting voice signals in various conditions by using the threshold value which is dynamically changed according to the voice signal inputted in the electronic device. A signal is inputted(301). The energy and spectrum of the inputted signal frame are measured(303). It is determined whether the inputted signal is a signal frame following the predetermined number of initial frames(305). An SNR(Signal to Noise Ratio) is measured(307). The measured SNR is compared with the preset minimum SNR value(309). The spectrum difference is calculated(315). The calculated spectrum difference is compared with the threshold value of a set corresponding frame(317). If the calculated spectrum difference is identical or smaller to or than the threshold value of the corresponding frame, the corresponding frame is determined as a silent interval(327).
Patent KR-20090032582-A (KR)
Title: Portable terminal and method for controlling a volume for visual communication in thereof
Inventor: GOH BANG YOUNG
IPC: H04B1/40
Filed: 2007-09-28
Abstract: A portable terminal and a method for controlling a volume for a video call are provided to enable a user to enjoy a video call conveniently without additionally controlling a volume. If a user image according to a video call is inputted by a camera module, a controller analyzes a size of the inputted user image(S503, S504). The controller searches a distance value between a user and the camera module corresponding to the size of the analyzed image(S505). The controller controls a speaker volume of an acoustic sound output module and a microphone volume of a mic module to correspond to the searched distance value(S506).
Patent KR-20090035062-A (KR)
Title: A membrane module for concentration of the latex solution or the solution including solidity component
Inventor: CHUNG RAE ICK
IPC: B01D69/08
Filed: 2007-10-05
Abstract: A membrane module for concentration of a latex solution or a solution containing solid components is provided to improve force of restitution of a separation film and to decrease contamination phenomenon of a hollow fiber membrane. A separating film module head(11) includes a plurality of hollow fiber membranes(15) and a plurality of catchment ports(12). The hollow fiber membrane is fixed to the separating film module head by epoxy molding. A hollow fiber membrane gap-adjusting supporter(16) is installed on a location adjacent to a lower part of the separating film module head. A separating film module frame is adhered to a right and a left edge or one side of the separating film module head. Hollow fiber membrane-fixing bars(18) are installed on end portions of the hollow fiber membranes.
Patent KR-20080033078-A (KR)
Title: Flat knitting machine
Inventor: NISHITANI HIROKAZU
IPC: D04B15/00
Filed: 2007-10-09
Abstract: A flat knitting machine is provided to select a knitting needle efficiently, based on relative movement of a needle bed and a carriage at the racking time, thereby improving the knitting efficiency. A carriage position detection unit(18) detects a position of a carriage(13) with respect to a flat knitting machine(11). A racking control unit(20) controls a racking element(19). A needle bed position detection unit detects a position of a needle bed(12) with respect to the flat knitting machine. A position calculation unit calculates a position of the carriage with respect to the needle bed, based on the detected position of the carriage with respect to the flat knitting machine and the detected position of the needle bed with respect to the knitting machine. A needle selection control unit controls the selection of knitting needles during movement of the needle bed by the racking, based on the calculated position of the carriage with respect to the needle bed. Further, the racking control unit controls the racking in order to rack while the carriage is transferred.
Patent KR-20090037541-A (KR)
Title: 열변색 프라이팬
Inventor: KIM JONG SIK
IPC: A47J37/00
Filed: 2007-10-12
Abstract: 본 발명은 프라이팬 본체와 직접 접촉되는 금속재의 손잡이 헤드 전체에 열변색성 안료를 피복하여 프라이팬 본체로부터 열이 손잡이측으로 전도되어 손잡이 헤드가 변색되도록 함으로써 육안으로 프라이팬이 달궈졌음을 쉽게 인식하도록 하여 조리온도를 쉽게 맞출 수 있고 또 사용상 안전성을 도모할 수 잇음은 물론 이러한 열변색성 안료가 손잡이로부터 쉽게 벗겨지지 않도록 한 열변색 프라이팬에 관한 것이다. 
     이러한 본 발명은 음식물 조리를 할 수 있도록 일정한 용적을 가진 본체와, 파지를 위해 본체에 연결되는 손잡이로 구성되며, 손잡이의 선단부에는 본체와 직접 접촉되는 금속재 손잡이 헤드가 구비된 프라이팬(10)에 있어서, 금속재 손잡이 헤드의 표면 전체에는 열에 따라 색상이 변하는 열변색성 안료를 피복하여 본체로부터 열이 전도되면 손잡이 헤드의 표면 전체의 색상이 변하도록 구성한 것이다. 
       
     프라이팬, 손잡이, 헤드, 열변색
Patent KR-20090040154-A (KR)
Title: Image forming apparatus and image forming method thereof
Inventor: SON JUNG WOO
IPC: G03G15/00
Filed: 2007-10-19
Abstract: An image forming device and a method thereof are provided to minimize a noise due to a driving of a pick up roller and to prevent an occurrence of a jitter by picking up a recording medium when an image forming unit is not in an operation to form an image. An image forming unit(110) forms an image on a recording medium based on a printing data. A pickup roller(120) picks up the recording medium by the image forming unit. A sensor detects whether the pickup roller picked up the recording medium or not. If the detection shows that the pickup of the recording medium is failed, the pickup roller retries the pickup of the recording medium with a control of a control unit(130). When an image forming corresponding to a first color among plural colors is completed, the control unit attempts to pick up the recording medium. After the attempt to pick up the recording medium, the control unit controls the image forming unit to form the image corresponding to a second color among plural colors.
Patent KR-20090040639-A (KR)
Title: Settling pond
Inventor: BYUN MOO WON
IPC: B01D21/02
Filed: 2007-10-22
Abstract: A settling pond for a water treatment plant is provided to maximize precipitation efficiency ultimately by maintaining flux of water and to improve flow of the water in the water treatment plant. A settling pond(1) for a water treatment plant includes one or more or all among a settling pond structure(10), a low slot area type longitudinal baffle(30) and an upper water circulation type longitudinal baffle(50). A main steady flow wall(4) including perforated holes is installed between a coagulation basin(2) and the settling pond. The settling pond more includes a steady flow wall(90) offered in a raw water inflow zone(L1). A non-perforated hole type longitudinal baffle(70) is installed in a settling pond region(L2).
Patent KR-20090044764-A (KR)
Title: 기판 처리 장치 및 방법
Inventor: CHOI HO JIN
IPC: H01L21/304
Filed: 2007-11-01
Abstract: 본 발명은 기판을 처리하는 장치 및 방법에 관한 것이다. 본 발명에 따른 기판 처리 장치는 공정시 기판의 하부면과 대향되는 상부면을 가지는 제1 플레이트 및 공정시 기판의 상부면과 대향되는 하부면을 가지는 제2 플레이트, 그리고 상기 기판과 제1 플레이트 사이 공간과 상기 기판과 제2 플레이트 사이 공간에 처리액을 공급하는 처리액 공급부재를 포함한다. 본 발명은 기판과 기판을 지지하기 위한 구성인 제1 및 제2 플레이트 사이에 액막을 형성시켜, 형성된 액막에 의해 기판이 제1 및 제2 플레이트와 비접촉된 상태에서 공급되는 처리액에 의해 세정되도록 함으로써, 기판의 세정 효율을 향상시킨다. 
       
     반도체, 기판, 웨이퍼, 세정, 액막, 처리액,
Patent KR-20090047770-A (KR)
Inventor: YU TEA KWANG
IPC: H01L27/115
Filed: 2007-11-08
Abstract: 비휘발성 메모리 소자 및 그 형성방법이 제공된다. 상기 비휘발성 메모리 소자는 반도체 기판, 상기 반도체 기판에 활성 영역을 정의하며 상기 활성 영역의 상부 측면을 노출하도록 상기 반도체 기판의 상부면보다 낮은 상부면을 가지는 소자분리막, 상기 활성 영역 및 상기 소자분리막을 가로지르는 센스 라인, 및 상기 센스 라인과 이격되며, 상기 활성 영역 및 상기 소자분리막을 가로지르는 워드 라인을 포함한다. 
       
     EEPROM, 셀 전류, 워드 라인
Patent KR-20090048130-A (KR)
Title: 불휘발성 메모리 장치의 프로그램 방법
Inventor: KIM BYUNG RYUL
IPC: G11C16/34
Filed: 2007-11-09
Abstract: 본원 발명의 불휘발성 메모리 장치의 프로그램 방법은 제1 프로그램 전압을 기준으로 프로그램 동작을 수행하는 단계와, 상기 프로그램의 완료 여부를 확인하는 검증 동작을 수행하는 단계와, 상기 프로그램 동작이 수행된 페이지에 포함된 셀 중 검증 완료 셀의 개수를 측정하는 단계와, 상기 검증 완료 셀의 개수가 제1 임계값 이하인 경우 제1 스텝전압으로 스텝전압을 설정하는 단계와, 상기 검증 완료 셀의 개수가 상기 제1 임계값보다 크고 제2 임계값 이하인 경우 상기 제1 스텝전압보다 작은 제2 스텝전압으로 스텝전압을 설정하는 단계와, 상기 검증 완료 셀의 개수가 상기 제2 임계값보다 큰 경우 상기 제2 스텝전압보다 작은 제3 스텝전압으로 스텝전압을 설정하는 단계와, 상기 제1 프로그램 전압에 상기 설정된 스텝전압을 더하여 프로그램 전압을 재설정하는 단계와, 상기 재설정된 프로그램 전압에 따라 프로그램 동작을 반복하는 단계를 포함하는 것을 특징으로 한다. 
       
     검증완료 셀, 스텝전압
Patent KR-20090049137-A (KR)
Inventor: KIM CHI CHUL
IPC: H04B1/40
Filed: 2007-11-13
Abstract: 휴대용 단말기용 로밍 서비스 모듈은 휴대용 단말기에 착탈식으로 부착되어 로밍 서비스를 지원한다. 상기 로밍 서비스 모듈은 상기 휴대용 단말기와 착탈식으로 결합되는 커넥터 결합부와, 로밍 서비스가 활성화된 경우 상기 로밍 서비스를 위한 적어도 하나의 이동통신용 밴드를 지원하는 적어도 하나의 안테나를 포함하는 인테나와, 상기 휴대용 단말기로부터 제공된 안테나 선택 제어 신호에 따라서 상기 적어도 하나의 이동통신용 밴드에 상응하는 안테나를 통하여 상기 적어도 하나의 이동통신 밴드 수신 신호 또는 상기 적어도 하나의 이동통신 밴드 송출 신호를 송수신하도록 제어하는 아날로그 스위치부를 포함한다. 로밍 서비스 지원을 필요로 하는 이동통신 단말기 사용자만 로밍 서비스 모듈을 구매하여 사용할 수 있도록 함으로써 로밍 서비스를 사용하지 않는 휴대용 단말기 사용자는 로밍 서비스 모듈이 제거된 휴대용 단말기를 사용함으로써 보다 슬림하고, 보다 저렴하고, 보다 가벼운 휴대용 단말기를 이용하여 로밍 서비스를 제공받을 수 있다. 
       
     로밍, 로밍 서비스 모듈, 착탈식, 휴대용 단말기, 이동통신 단말기, 4 밴드
Patent KR-20090049663-A (KR)
Inventor: SEO SEUNG KWON
IPC: E02D17/04
Filed: 2007-11-14
Abstract: 본 발명은 강관 버팀보 연결구조에 관한 것으로서, 더욱 상세하게는 토류벽의 붕괴를 방지하기 위하여 H파일(pile) 사이에 설치되는 강관 버팀보를 띠장에 연결하고, 강관버팀보와 강관버팀보를 연결하는 강관 버팀보 연결구조에 관한 것이다. 
     따라서, 본 발명은 공사현장에서 흙막이 공사에 사용되는 버팀보를 기존의 H형강과는 다르게 약축과 강축의 구분없이 강성이 커서 별도의 보강재 필요없이 강관 버팀보의 설치가 원활하여 흙막이 공사가 간편하고 편리하게 시공되는 효과가 있다. 
       
     강관 버팀보, 연결구조, 연결부재, 이음부재, 밴드
Patent KR-20090050520-A (KR)
Inventor: KO SOO
IPC: E04B5/32
Filed: 2007-11-16
Abstract: 본 발명은 슬래브 전체 두께의 일정 부분을 프리캐스트 콘크리트(Precast Concrete, 이하 "피씨"라 함) 판으로 구성한 합성슬래브용 하프피씨 바닥판(Half PC Slab) 및 그 제조방법에 관한 것으로, 보다 상세하게는 상면에 다수개의 리브를 일체로 형성한 리브드 하프피씨 바닥판 및 그 제조방법에 관한 것이다.  
     본 발명의 일측면에 따르면 얇은 판 형상으로 된 평판부의 상부에 길이방향으로 복수개의 리브부가 일체로 형성되도록 성형된 프리캐스트 콘크리트 판과, 상기 리브부 사이에 설치되는 발포체를 포함하는 것을 특징으로 하는 리브드 하프피씨 바닥판을 제공한다. 
       
     합성슬래브, 부분PC, 바닥판, 하프피씨
Patent KR-20090053100-A (KR)
Inventor: YUN JUNG MEE
IPC: H04L12/24
Filed: 2007-11-22
Abstract: 본 발명은 무선 PAN(Personale Area Network)의 네트워크의 일종인 와이미디어 네트워크 환경에 다수개의 DHCP 서버가 존재할 경우, 최적의 DHCP서버를 선택하는 방법 및 그 시스템에 관한 것으로, 와이미디어 무선 네트워크상의 복수 개의 DHCP 서버 중에서 이용할 DHCP 서버를 선택하기 위하여 DHCP 클라이언트가 수행하는 DHCP 서버 선택 방법에 있어서, 상기 복수 개의 DHCP 서버들의 정보를 수집하는 단계와, 상기 수집된 정보에 기초하여 이용할 DHCP 서버를 선택하는 단계와, 상기 선택된 DHCP 서버를 이용하여 네트워크를 수립하는 단계를 포함하는 DHCP 서버 선택 방법 및 이를 수행하는 시스템을 제공한다.    
       
     DHCP 서버, 와이미디어, IP 할당