baber/WOPTO huggingface dataset:
Patent KR-20060116430-A (KR)
Inventor: YOO EUL HYEAK
IPC: G06Q99/00
Filed: 2005-05-10
Abstract: A method for trading a membership card through an escrow system in the Internet is provided to induce transparent trade generating no difference by offering a space for offering all information needed for trading the membership card, enabling a seller/buyer to directly insert a desired price to an article list, and negotiating the price through direct trade between the seller and the buyer. A seller terminal(300) registers personal information and membership card information. A buyer terminal(200) receives and searches membership card sale information. A bank(400) assigns an account for receiving trading price to the buyer by receiving the information for trading the membership card with the seller through the buyer terminal, and manages trading price transfer between the buyer and the seller. A tax office(500) inquires tax particulars for the trade between the buyer and the seller. A membership card issuance company(700) advances a nomination transfer procedure between the buyer and the seller. A site(100) provides, operates, and manages the membership card sale information, the personal information of members, and general membership card information.
Patent KR-20060119481-A (KR)
Title: Geometric attack resistant watermarking method in wavelet transform domain
Inventor: LEE HEUNG KYU
IPC: H04N19/467
Filed: 2005-05-20
Abstract: A watermarking method robust against geometric attack in a wavelet transform domain is provided to extract an autocorrelation peak playing an important role in estimating geometric attack in ACF(Auto Correlation Function)-based watermarking by inserting a watermark into a DWT(Discrete Wavelet Transform) domain. A watermark pattern is inserted into a subband of a DWT domain. An ACF of watermark is executed in the DWT domain to detect a watermark for estimation of geometric attack. A watermark signal is detected using undecimated wavelet transform in order to compensate for image transform of the watermark.
Patent KR-20060121373-A (KR)
Title: Liquid crystal display device
Inventor: YOO BYUNG HO
IPC: G02F1/1345
Filed: 2005-05-24
Abstract: An LCD is provided to dissipate the concentration of stress on a soldering part of a PCB, by forming notches in the PCB to concentrate the stress on the vicinity of the notches. An LCD comprises an LCD panel, a backlight unit, and a PCB(Printed Circuit Board)(33). The LCD panel includes gate lines and data lines. The backlight unit includes a light source part for supplying light to the LCD panel. The PCB is electrically connected to the gate lines and data lines of the LCD panel. A plurality of circuit parts(35) are mounted on the PCB. The PCB has one or more notches(34) formed along a side thereof. The notches are capable of being disposed along a long side of the PCB.
Patent KR-20060122293-A (KR)
Title: Starting system for electric appliance
Inventor: KIM JONG KIL
IPC: H02M1/12
Filed: 2005-05-26
Abstract: A starting system for an electric appliance is provided to prevent a leakage current from flowing through a noise filter by making a power control switch off for cutting power supplied from a power terminal in case of the power waiting mode. In a starting system for an electric appliance, an external power is applied to a power terminal(100). A noise filter(300) eliminates an electrical noise generated from the external power. A starting unit(200) installed between the noise filter(300) and the power terminal(100) makes the external power to be applied to the electric appliance in case of an operation signal of the electric appliance to be received, and cuts a leakage current generated from the noise filter(300) in a case of the electric appliance to be in an operation waiting mode.
Patent KR-20060124289-A (KR)
Title: Plasma display module
Inventor: JEONG KWANG JIN
IPC: H01J17/28
Filed: 2005-05-31
Abstract: A plasma display module is provided to radiate effectively heat from a heating circuit element through a chassis to the outside by improving a heat dissipation structure of the heating circuit element. A plasma display panel is used for displaying images by using gas discharge. The plasma display panel is disposed at one side of a chassis(130). The chassis is used for supporting the plasma display panel. A drive circuit board(120) is disposed at the other side of the chassis in order to generate an electrical signal for driving the plasma display panel. The drive circuit board includes at least one heating circuit element(160). A first heat dissipation plate(180) is installed at an upper part of the heating circuit element. A second heat dissipation plate(181) is installed at an upper part of the chassis. The first and second heat dissipation plates are connected by using a folder type connecting member(182).
Patent KR-20060128383-A (KR)
Title: Oven
Inventor: KIM SUNG KWANG
IPC: F24C7/04
Filed: 2005-06-10
Abstract: An oven is provided to prevent heat loss by allowing a division unit to effectively interrupt heat transfer between cooking chambers. An oven includes at least one division unit(40). The division unit divides a cooking space into a plurality of independent cooking chambers. The division unit includes an air layer formed in the interior thereof. The division unit includes a first insulation layer and a second insulation layer which are disposed in opposite to each other, with the air layer being interposed between the insulation layers. The air layer has an air introduction opening and an air discharge opening.
Patent KR-20060069228-A (KR)
Inventor: LEE KI DONG
IPC: H04W72/04
Filed: 2005-06-17
Abstract: 본 발명은 DAMA(Demand Assignment Multiple Access)를 사용하는 위성통신시스템에서 각 단말의 전송큐에 도착하는 패킷 수의 증가량을 예측하고 이를 이용하여 각 단말에 자원을 할당하는 방법 및 장치에 관한 것이다.  
     본 발명은 DAMA (demand assignment multiple access) 위성통신 시스템에서의 자원 할당 방법에 있어서, 각 단말의 타임슬롯 요청량의 합과 이용가능한 타임슬롯 총수를 비교하는 단계; 및 상기 비교 결과, 상기 각 단말의 타임슬롯 요청량의 합이 상기 이용가능한 타임슬롯 총수보다 작은 경우, 각 단말에 타임슬롯 요청량만큼 타임슬롯을 할당하는 것에 덧붙여, 각 단말의 전송큐에 도착하는 패킷 수의 증가량 예측치에 비례하여 타임슬롯을 추가 할당하는 단계를 포함하는 것을 특징으로 한다.  
     본 발명은 새로운 설명변수(트래픽 도착량과 도착량의 증가분)를 사용하고 최소자승법을 적용함으로써, DAMA 통신기반에서 자원할당의 효율성을 높이는 효과를 제공한다. 또한, 본 발며은 단말 전송 큐에서의 패킷 전송시간을 단축시키는 효과를 제공한다.  
       
     DAMA, 위성통신, 트래픽, 예측
Patent KR-20050071454-A (KR)
Inventor: SHIN MIN CHUL
IPC: G08C19/02
Filed: 2005-06-17
Abstract: 수용가의 전화선을 사용하되 DTMF(듀얼톤 다주파) 신호만을 사용하여 전화선을 통한 전력만으로 원격 검침을 할 수 있는 듀얼톤 다주파 부호를 사용한 원격 검침 장치가 개시된다. 
     본 발명에 따른 듀얼톤 다주파 부호를 이용한 원격 검침 장치는 듀얼톤 다주파 부호 기반의 디티엠에프 신호를 입력하여 디코딩함으로써 디코딩된 디티엠에프 코드를 출력하는 디티엠에프 디코더, 복수 개의 디티엠에프 코드와 그 디티엠에프 코드에 대응되는 제어 명령을 저장하는 매핑 테이블, 전화선로로부터 링 신호가 수신되면 발신자 식별자를 추출하여 소정의 식별자인지를 체크하여 추출된 식별자가 미리 지정된 소정의 식별자이면 디티엠에프 디코딩을 시작시키는 제어 신호를 출력하고 소정의 식별자가 아니면 음성 전화 통화를 개시하도록 제어 신호를 출력하며 상기 매핑 테이블을 참조하여 상기 디티엠에프 디코더에서 출력된 디티엠에프 코드에 대응되는 제어 명령을 추출하고 추출된 제어 명령을 처리함으로써 결과 데이터를 출력하는 제어부, 및 상기 결과 데이터를 디티엠에프 인코딩함으로써 검침 시스템으로 디티엠에프 신호를 출력하는 디티엠에프 인코더를 포함하는 것을 특징으로 한다.
Patent KR-20060133262-A (KR)
Title: Semiconductor manufacturing equipment capable of auto-purging gas supplying line to wafer
Inventor: KIM JUNG HONG
IPC: H01L21/027
Filed: 2005-06-20
Abstract: A semiconductor manufacture equipment capable of auto-purging a gas supplying line to a wafer is provided to remove coagulation particles in the gas supplying line by using a purge gas supplying path. A wafer supporting unit(230) supports a wafer(210). A gas distributing unit(250) being opposite to the wafer supporting unit is installed on a process chamber(200). Transferring paths(331,330,370) supply HMDS(Hexa Methyl Di-Silazane) gas to the gas distributing unit of the processing chamber. A tank(100) provides the HMDS gas to the transferring paths. A purge gas supplying path(335) is connected to a middle of the transferring paths through valves(410,450) to supply purge gas to the transferring paths by switching operations of the valves.
Patent KR-20060134236-A (KR)
Title: A upper metallic mold for molding of a molding goods with undercut
Inventor: CHO SUNG BIN
IPC: B29C45/40
Filed: 2005-06-22
Abstract: An undercut forming apparatus of an upper mold is provided to prevent breakage by restricting working force from being transmitted to a deformation push pin, to increase productivity by improving durability, and to improve quality of products by accurately adjusting height of the deformation push pin with a push pin adjusting pin. An undercut forming apparatus(300) includes a holder installation hole(310) formed in left and right sides of a central axis of an upper mold(100), a holder(320) installed in the holder installation hole and provided with an operation piece moving hole inclined for the central axis, an operating piece(330) inserted to the operation piece moving hole, lifted and provided with a connection groove contacted to a deformation push pin(340) and an insertion groove inclined and recessed, an elastic member(360) inserted and installed in the insertion groove of the operation piece to apply pressure to the operation piece, a holder cover member(370) sealing and assembling the operation piece moving hole with an upper part of the holder and having a groove part in which an upper part of the elastic member is inserted, and a push pin adjusting pin(350) formed of an annular rod, connected to a lower part of the operation piece, lifted up and down and contacted to an upper part of a lower plate in contacting upper and lower molds(200) to lift up the operation piece and to place an undercut forming portion by moving the deformation push pin backward. A communication hole is communicated with the groove part to flow air with operating the elastic member in assembling the holder cover member with the holder.
Patent KR-20070003289-A (KR)
Title: Control method for printing banner page and user terminal device using the same
Inventor: KIM YOUNG GU
IPC: G06F3/12
Filed: 2005-07-01
Abstract: A method for controlling output of a banner page and a user terminal device using the same are provided to output the banner page for outputting printing data and printing information including the total number of prints extracted from the printing data. An application program(110) transfers a printing command for the printing data. A storing part(140) stores at least one banner page template. An image forming device interface(150) supports an interface with an image forming device(200). An image forming device driver(130) extracts the printing information including the total printing number from the printing data, inputs the extracted printing information to the banner page template, and makes the image forming device interface transfer the printing data to the image forming device by attaching the banner page template to a specific position of the printing data.
Patent KR-20070008781-A (KR)
Title: Method for establishing lighting tower and pole for establishing lighting tower
Inventor: PARK YUL GOO
IPC: E04H12/00
Filed: 2005-07-12
Abstract: An installation method of a lighting tower and a pole for installing the lighting tower are provided to reduce the constructing time and unit cost by inserting soil between the pole-installed hole and the pole and compacting the part. An installation method(S100) of a lighting tower comprises a ground boring step(S110) of boring the ground with a predetermined depth by using a crane; a pole installation step(S120) of installing the pole formed with a flange at the upper end; and a lighting pole installation step(S140) of installing the lighting pole installed with a lighting at the upper end at the pole. A compacting step(S130) is for inserting soil between the pole-installed hole and the pole, and for compacting the area.
Patent KR-20070008102-A (KR)
Title: Reflection sheet
Inventor: KIM DONG HYUN
IPC: G02F1/1335
Filed: 2005-07-13
Abstract: A reflective sheet is provided to realize a high reflectance and an excellent sunproof property, by forming the reflective resin of acryl-based resin through supercritical fluid process. A reflective sheet has acryl-based resin as base resin. The reflective sheet contains fine bubbles having an average particle size of 50 micrometers or less. The reflective sheet has a thickness of 0.5 to 1.5 millimeters. The reflective sheet has a specific gravity of 0.2 to 0.8. The fine bubbles are formed by supercritical fluid foaming process. The reflective sheet has an inorganic filler of 40 weight percents based on the base resin of 100 weight percents.
Patent KR-20070009294-A (KR)
Title: Display device
Inventor: SON JOON GON
IPC: G02F1/133
Filed: 2005-07-15
Abstract: A display device is provided to improve brightness uniformity by controlling a switching device corresponding to brightness distribution of light. A light generating unit generates light. A display panel(600) includes a liquid crystal layer controlling transmittance of light according to an arrangement change, a switching device switching arrangement of the liquid crystal layer, and a brightness controller controlling the switching device according to the brightness distribution of light to improve the brightness uniformity of light. The brightness controller includes a control circuit controlling the switching device in order to change a transmission time of the light.
Patent KR-20070009325-A (KR)
Title: Wire and method for fabricating interconnection line and thin film transistor substrate and method for fabricating the same
Inventor: LEE JE HUN
IPC: G02F1/136
Filed: 2005-07-15
Abstract: A line structure, a line forming method, a thin film transistor substrate, and a manufacturing method thereof are provided to obtain a copper line structure with an improved adhesive force and a good profile by providing a barrier layer including copper nitride formed on a lower structure and a copper conductive layer including copper or copper alloy formed on the barrier layer. A barrier layer(2a) including copper nitride is formed on a lower structure(1). A copper conductive layer including copper or copper alloy is formed on the barrier layer. Copper nitride is consecutively or non-consecutively placed on an interface between the lower structure and the barrier layer. A thickness of the barrier layer ranges from 50 to 1000 . The barrier layer includes nitride ranging from 0.001 to 50at%. A capping layer(2c) including molybdenum and molybdenum allow is formed on the copper conductive layer.
Patent KR-20070010692-A (KR)
Title: Method of production of ripen seaweeds composition, composition using the same, the method of using the composition as natural antiseptic and composition containing the same
Inventor: HWANG JIN CHAN
IPC: A23L17/60
Filed: 2005-07-19
Abstract: Provided are a method for preparing a composition of aged seaweed composition having improved pharmacological effect of seaweed by fermenting the seaweed at various temperature and time conditions by multistep, and an aged seaweed composition prepared by the method, method for using the composition as antiseptic, and an antiseptic using the composition. The method comprises the steps of (a) washing at least one seaweeds including kelp naturally dried by sea wind and firstly aging the seaweeds in airtight space maintained at 50-85 deg.C for 15-90 days, so as to prepare a composition of firstly aged seaweed; (b) adding water to the composition and secondarily aging the composition comprising water at 65-100 deg.C for 15-60 days by using a double-boiler comprising at least one cooling column(300,400,500), so as to prepare a composition of secondarily aged seaweed; and (c) heating the composition by heater maintained at 60-100 deg.C for 30-80 hours and drying the composition. The double boiler of the step(b) comprises a double boiling part(200) for double boiling the composition of firstly aged seaweed, and a heat source(100) for supplying a heat to the double boiling part at a part opposite to the cooling column(300,400,500). The insides of the double boiling part and the cooling column are connected by connector part. An average cross-section of the connector part is smaller than those of the double boiling part and the cooling column.
Patent KR-20070011955-A (KR)
Title: Low power inverter circuit coupled to level shifting circuit
Inventor: LEE DON WOO
IPC: H03K19/0175
Filed: 2005-07-22
Abstract: A low power inverter circuit coupled to a level shifting circuit is provided to reduce a power consumption of a portable electronic product by reducing a through current and a driving current generated from an output terminal inverter of a level shift circuit. In a low power inverter circuit coupled to a level shifting circuit, a first input terminal(INA) receives an input. A second input terminal(INB) receives an input with the opposite phase of the first input terminal(INA). A first driving transistor(NH1) is coupled to the first input terminal(INA). A second driving transistor(NH2) is coupled to the second input terminal(INB). A first load transistor(PH1) is coupled to the first driving transistor(NH1) electrically. A second load transistor(PH2) is coupled to the second driving transistor(NH2) electrically. A third load transistor(PH3) is coupled to the first load transistor(PH1) electrically. A fourth load transistor(PH4) is coupled to the second load transistor(PH2) electrically. The level shifting circuit comprises a gate of the fourth load transistor(PH4) which is coupled to a first node(net1) where the first driving transistor(NH1) is coupled with the first load transistor(PH1) electrically and a gate of the third load transistor(PH3) which is coupled with a second node(net1) where the second driving transistor(NH2) is coupled with the second load transistor(PH2) electrically. A first inverter circuit comprises a first inverter transistor, wherein a gate thereof is coupled with a third node(net3) where the first load transistor(PH1) is coupled with the third load transistor(PH3) electrically, and a second inverter transistor, wherein a gate thereof is coupled with the first node(net1) where the first driving transistor(NH1) is coupled with the first load transistor(PH1) electrically. A second inverter circuit comprises a third inverter transistor and a fourth inverter transistor.
Patent KR-20060048940-A (KR)
Inventor: MCSHERRY FRANK DAVID
IPC: G06F17/21
Filed: 2005-07-29
Abstract: 효율적으로 페이지 순위를 계산하는 방법 및 시스템이 설명된다.  웹 페이지들의 상호연결성을 설명하는 상호연결성 행렬을 이용하여, 새 행렬이 계산된다.  각 웹 페이지의 이웃하는 웹 페이지들과 관련된 값의 평균을 계산하는 데에 새 행렬이 사용된다.  이 새 행렬의 제2 고유벡터가 계산되고, 이 고유벡터에 따라 웹 페이지에 대한 인덱스들이 재라벨화된다(relabel).  상호연결성 정보를 저장하는 데이터 구조는 또한 이 고유벡터에 따라 물리적으로 정렬되는 것이 바람직하다.  웹 페이지 순위 계산에 사용된 행렬을 재편성함으로써, 캐싱이 좀 더 효율적으로 수행되고, 그 결과 페이지 순위화 기술이 더 빨라진다.  효율적으로 자원 분배를 할당하는 방법이 또한 설명된다. 
       
     페이지 순위화, 상호연결성 행렬, 고유벡터
Patent KR-20060100907-A (KR)
Inventor: JIN OK SANG
IPC: H05K9/00
Filed: 2005-08-09
Abstract: 일정 모양의 절연판 위에 코일 패턴과 코일의 양 끝단에 인출단자A 패턴과 인출단자B 패턴으로 구성된 도전성 패턴을 형성하며, 인출단자A의 도체를 절연하기 위한 절연판 S를 형성하고, A1과 A2를 중심으로 절연판 S를 인출단자A 위로 접으며(모양1), B1과 B2를 중심으로 모양1의 인출단자A를 인출단자B와 맞닿도록 접고(모양2), 인출단자A와 인출단자B의 끝단에서 전기적인 접속을 시킨다. 
       
     쇼트코일
Patent KR-20060050443-A (KR)
Inventor: MORITA OSAMU
IPC: C21D1/42
Filed: 2005-08-12
Abstract: 소입되고 소려 후에 있는 직동베어링용 레일의 변형을 저감할 수 있는 고주파열처리장치를 제공한다. 
     고주파열처리장치(10)는 워크 W를 교정하면서 반송하는 다수의 교정로라(12,13...)와 워크W의 홈W2를 가열하기 위한 소입용 유도가열 코일(30)과 홈W2에 냉각액을 분사하는 냉각기(32)와, 홈W2를 냉각하기 위해 소려용 유도가열코일(34) 등을 구비하고 있다.  다수의 교정로라쌍(12,...)은 워크 W를 두께방향으로부터 소정의 압력으로 끼우면서 교정하고 동시에 반송하는 상하 교정로라쌍과, 워크 W를 상기 폭방향으로부터 소정 압력으로 끼워면서 교정하고 동시에 반송하는 좌우 교정로라쌍으로 이루어진다.  상하 교정로라쌍으로서는 반송방향 상류측으로부터 순서적으로 2조의 제1 상하 교정로라쌍(12,13), 2조의 제2 상하 교정로라쌍(14,15), 제2조의 제3 상하 교정로라쌍(16,17)이 배치된다. 
       
     직동베어링용 레일, 고주파열처리장치, 교정로라, 유도가열코일, 반송
Patent KR-20070021725-A (KR)
IPC: H04L1/16
Filed: 2005-08-19
Abstract: 본 발명은 복합 자동 재전송 요구(HARQ)를 사용하는 이동통신 시스템에서 내크(NACK)와 애크(ACK)의 신뢰도를 조정하는 방법 및 장치에 관한 것이다. 송신기는, 전송하고자 하는 사용자 데이터 패킷에 대한 궤환 신호의 신뢰도를 나타내는 수신 프로파일 정보를 결정하고, 상기 수신 프로파일 정보를 상기 사용자 데이터 패킷에 관련된 패킷 제어 정보에 포함시켜, 상기 사용자 데이터 패킷과 함께 전송한다. 수신기는 상기 사용자 데이터 패킷과 상기 패킷 제어 정보를 수신하며, 상기 패킷 제어 정보에 따라 상기 사용자 데이터 패킷을 채널 디코딩하고 상기 디코딩된 데이터가 오류를 가지는지를 검사하여, 상기 검사 결과에 따른 궤환 신호를 상기 수신 프로파일 정보에 따른 신뢰도를 적용하여 전송한다. 이러한 본 발명은 전송자원을 크게 감소시키지 않으면서 궤환 신호의 오류율을 향상시켜 사용자 데이터 패킷의 BLER을 개선한다. 
       
     Hybrid Automatic Retransmission request, HARQ, Block Error Rate, NACK/ACK 오류율, ACK/NACK error rate, HARQ packet, per-packet control  information
Patent KR-20070023295-A (KR)
IPC: F16C33/76
Filed: 2005-08-24
Abstract: 본 발명은 밀봉형 베어링에 관한 것으로, 인너레이스(10)와 아우터레이스(20)의 사이에 고무피막(31c)된 스틸링(31)과 이에 연이어 형성된 고무립(32)으로 이루어진 시일부재(30)를 설치하되, 상기 스틸링(31)의 수평부(31b)가 아우터레이스(20)의 압입홈(21)에 강제 압입되고, 고무립(32)에는 스프링홈(32a)이 형성되어 이에 설치된 스프링(40)이 고무립(32)을 인너레이스(10)쪽으로 밀착시키는 구조로 이루어진다. 
     따라서, 시일부재(30)의 외경부와 내경부가 모두 강하게 밀봉되어 베어링 내부의 오일이 외부로 누출되지 않게 됨으로써 시일부재(30) 자리에 더스트커버를 사용한 종래 경우에 비하여 별도의 케이스와 이 케이스와 회전축 사이에 설치되던 오일실을 사용하지 않게 됨으로써 비용을 절감할 수 있게 되고, 베어링의 크기를 줄일 수 있게 된다.
Patent KR-20070027805-A (KR)
Title: Logic for improving shock and jerk effects of au automobile at its stop state using acceleration sensor
Inventor: BYEON MIN
IPC: B60T8/00
Filed: 2005-08-29
Abstract: A logic for improving shock and jerk immediately after a vehicle stops using an acceleration sensor is provided to improve ride comfort and safety of a vehicle by operating and releasing an ABS brake repeatedly according to the direction and size of force added on a vehicle after a vehicle stops on the basis of the existing ABS brake control logic. The logic for improving shock and jerk immediately after a vehicle stops using an acceleration sensor operates an ABS brake if the variability of acceleration is larger than 0 (zero) and releases the ABS brake if the variability of acceleration is below 0 (zero) in the section of A by calculating the force added on a vehicle and the duty rate of an ABS brake on the basis of the acceleration value of an acceleration sensor immediately after a vehicle stops. In a graph, the parts(2',2') indicated in an arc are the areas where the variability of the acceleration(2) changes from negative to positive to occur shock effects and the parts(2",2") are the areas where the variability of the acceleration changes from positive to negative to occur jerk effects, wherein the ABS brake is released in the section(A,A,...) where the variability of acceleration is negative and the ABS is operated in the section(B,B,...) where the variability of acceleration is positive.
Patent KR-20060050947-A (KR)
Inventor: PARK JONG HUN
IPC: H04L12/28
Filed: 2005-09-01
Abstract: 네트워크 시스템에서의 비컨 스케쥴링 방법이 개시된다. 본 발명에 따른 비컨 스케쥴링 방법은, 소정의 주기에 따라 비컨(Beacon)을 전송하는 적어도 하나의 조정자 및 적어도 하나의 라우터를 포함하는 네트워크 시스템에서의 라우터의 비컨(Beacon) 스케쥴링 방법에 있어서, 라우터에 소정의 메세지를 전송하는 단계, 라우터로부터 응답 메세지를 전송받는 단계, 및 조정자의 비컨(Beacon) 주기상에 인액티브(Inactive) 구간이 확보된 경우에, 라우터의 비컨(Beacon) 전송시점을 인액티브(Inactive) 구간으로 결정하여 전송하는 단계를 통해 구현된다. 본 발명에 따르면, 비컨의 충돌방지를 효율적으로 구현할 수 있게 되며, 불필요한 비컨 전송으로 인한 라우터의 전력소모를 방지할 수 있게 된다.        
       
     비컨, 라우터, 네트워크, 충돌방지, 비컨 스케쥴링, 조정자
Patent KR-20070025852-A (KR)
Title: Ink circulation apparatus having degassing function
Inventor: LEE JAE CHEOL
IPC: B41J2/175
Filed: 2005-09-05
Abstract: An ink circulation apparatus having a degassing function is provided to effectively remove bubbles in ink and a gas dissolved in the ink. An ink circulation apparatus having a degassing function includes an ink tank(20), a first chamber(40), and a second chamber(50). The ink tank accommodates ink to be supplied into a print head. The first chamber is installed at an ink circulation path between the print head and the ink tank, and through which ink passes. The second chamber is divided from the first chamber by a gas transmissive film and has a gas discharge port. The ink tank has a gas transmission prevention film. The gas transmission prevention film is formed of any one selected from nylon, Teflon, PE, PP, and the film coated with a metal. The first chamber is installed in the middle of a recovery path from the printhead to the ink tank.