baber/WOPTO huggingface dataset:
Patent KR-20060099766-A (KR)
Inventor: LEE YOUNG NO
IPC: B32B27/08
Filed: 2005-03-14
Abstract: 본 발명은 기 성형된 합성수지 필름위에 열접착성 수지로 적층된 라미네이트용 합성수지 필름에 관한 것으로, 본 발명에 따른 라미네이트용 합성수지필름은 상기 열접착성 합성수지층의 표면에 표지하고자 하는 표지삽입부를 제외한 나머지 부분에 미세 홈을 형성시킴을 특징으로 하여 반투명한 필름표면과 식별이 가능한 투명표지를 형성하고 라미네이트 후에는 표지가 사라지게 하는 효과가 있다. 
     또한, 본 발명은 상기 열접착성 합성수지층의 표면에 표지하고자 하는 표지삽입부를 제외한 나머지 부분에 미세홈을 형성하는 단계를 포함하는 것을 특징으로 하는 라미네이트용 합성수지필름의 제조방법에 관한 것이다. 
       
     라미네이트용 합성수지필름, 투명표지, 미세홈
Patent KR-20060104753-A (KR)
Inventor: MIN JAE SANG
IPC: H01L21/50
Filed: 2005-03-31
Abstract: 본 발명은 생산성을 향상시키고 제조 비용을 저감시킬 수 있는 반도체 패키지 제조공정의 칩 본딩용 경화수지 도포장치에 관한 것이다. 
     이를 위해, 본 발명은 칩 등의 수동 소자 부품을 인쇄회로기판에 가고정하기 위한 경화수지를 도포하는 복수개의 노즐을 포함하여 구성된 칩 본딩용 경화수지 도포장치에 있어서, 상기 복수개의 노즐 중 적어도 하나 이상의 노즐은, 상기 인쇄회로기판의 면방향에 수직한 방향으로 이동됨과 동시에, 상기 인쇄회로기판의 면방향과 평행한 방향으로 이동됨을 특징으로 하는 반도체 패키지 제조공정의 칩 본딩용 경화수지 도포장치를 제공한다. 
       
     칩 본딩용 경화수지 도포장치, 도포용 노즐
Patent KR-20060105133-A (KR)
Inventor: JUNG EUN YOUNG
IPC: H01J11/34
Filed: 2005-04-01
Abstract: 본 발명은 플라즈마 디스플레이 패널에 관한 것으로서, 서로 대향 배치되는 전면 기판 및 배면 기판, 상기 배면 기판에서 일 방향을 따라 나란히 형성되는 어드레스전극들, 상기 전면 기판과 배면 기판 사이에 배치되어 복수의 방전셀들을 구획하는 격벽, 상기 각 방전셀 내에 형성되는 형광체층, 상기 전면 기판에서 상기 어드레스전극들과 교차하는 방향을 따라 형성되며 상기 각 방전셀에 대응되는 제1 전극과 제2 전극들, 및 상기 전면 기판에서 상기 제1 전극 및 제2 전극들을 덮으면서 형성되며 상기 제1 전극과 제2 전극 사이에 제1 개구(開口)가 형성되는 유전층을 포함하고,  상기 제1 전극 및 제2 전극들은 각 방전셀에 대응되는 제2 개구가 각각 형성되고, 상기 제2 개구의 내부에 위치하되 상기 제1 전극 및 제2 전극들과 이격되어 형성되는 제3 전극들을 포함할 수 있다. 
       
     플라즈마 디스플레이 패널, 플로팅 전극, 방전 효율
Patent KR-20060107040-A (KR)
Inventor: LEE YOUN SEOK
IPC: F25D23/12
Filed: 2005-04-07
Abstract: 본 발명은 냉장고의 해동유닛 및 해동실에 관한 것으로서, 본 발명에 따른 냉장고의 해동유닛 및 해동실은 발열체에서 발생되는 빛의 복사열을 이용해 냉동물을 해동시키기 때문에 냉동물의 각 부분을 고르게 해동시킬 수 있을 뿐만 아니라 발열체에서 발생되는 자외선으로 인해 냉동물의 해동과정에서 발생되는 미생물의 증식을 억제시키는 효과가 있다.
Patent KR-20060106438-A (KR)
Inventor: LEE CHOON KOO
IPC: D21H27/20
Filed: 2005-04-08
Abstract: 본원 발명은 섬유 또는 펄프/섬유의 2중 구조를 갖는 복합부직포를 이용하여 원적외선 및 음이온을 방출하는 기능성 벽지를 제공하고자 하는 것이다. 
     본원의 기능성 벽지는 섬유 또는 펄프/섬유의 2중 구조를 갖는 복합부직포를 이용하여 소성규조토 물질을 벽지중량 대비 20% 이상 합침시켜 원적외선 방사, 음이온 방출, 탈취기능, 항균기능, 공기정화기능 등의 기능성을 부여하고 난연제를 일정량 함유시켜 난연성을 갖는 벽지를 제공하고자 하는 것 이다. 
     즉 본원은 섬유 또는 펄프/섬유의 2중 구조를 갖는 복합부직포를 이용하여 원적외선 및 음이온을 방출하는 기능성 벽지를 제조하는 방법에 있어서, 
     아크릴계수지 고착제 100중량부를 기준으로 1300℃ 이상으로 소성시킨 소성규조토를 50~100중량부 비율로 혼합시켜 코팅고착제를 얻는 단계, 
     섬유 또는 펄프/섬유의 2중 구조를 갖는 복합부직포 100중량부를 기준으로 상기 아크릴계 소성규조토 코팅고착제를 100 ~ 150 중량부를 합침시켜 벽지중량 대비 기능성 소성규조토의 양을 30±10 중량%로 함유시켜 건조시키는 공정을 포함하여 이루어지는 기능성 벽지의 제조방법에 관한 것이다. 
       
     기능성 벽지, 원적외선, 음이온, 규조토, 펄프/섬유 부직포
Patent KR-20060110634-A (KR)
Title: Organic metal compounds which the compounds for host and the compounds for dopant were connected, organic electroluminescence display devices using the compounds and method for preparation of the devices
Inventor: PARK SOO JIN
IPC: C09K11/06
Filed: 2005-04-21
Abstract: Provided is an organometallic compound comprising a host compound and a dopant compound linked to each other, which has an increased molecular weight to show improved solubility, and improves light emission efficiency, luminance, color purity and lifespan characteristics when applied to an organic electroluminescence device. The organometallic compound comprises a host compound and a dopant compound linked to each other via a linking group, wherein the host compound and the dopant compound have the same or different energy gap. In the organometallic compound, the host compound and the dopant compound may show an energy gap of 0-400 nm. The linking group includes an oxygen atom so that the host compound and the dopant compound are linked to each other not by a pi-conjugation system.
Patent KR-20060114538-A (KR)
Title: Flat panel display device
Inventor: KOO JAE BON
IPC: H05B33/22
Filed: 2005-05-02
Abstract: A flat panel display device is provided to prevent degradation of electrical properties of electronic elements within a circuit region by preventing a source voltage from being decreased due to line resistance of a source line. A flat panel display device includes a conductive substrate(100), insulation layers(101,102), a pixel region(P), and a circuit region(C). The insulation layers are formed on one surface of the conductive substrate. The pixel region is formed on the insulation layers and includes at least one light emitting element for displaying an image. The circuit region is formed on the insulation layers and includes control elements for controlling the signal, which is applied on the pixel region. A capacitance value of the insulation layer at a first portion corresponding to the circuit region is smaller than the capacitance value of the insulation layer at a second portion corresponding to pixel region.
Patent KR-20060036367-A (KR)
Inventor: SHIN KWANG SICK
IPC: G02F1/1335
Filed: 2005-05-16
Abstract: 본 발명은 보안용 액정 디스플레이 장치에 관한 것으로, 텔레비전이나 모니터 등의 화면을 주위사람들과 같이 볼 수 있음은 물론 필요시 특정인만 볼 수 있도록 함으로써 화면내용의 보안을 유지할 수 있도록 한 것이다. 
     본 발명은 후면 편광자(1), 상부액정기판(2), 하부액정기판(3)를 일체형으로 구성하여 텔레비전이나 컴퓨터의 모니터(5) 화면에 고정시키고, 상기 하부액정기판(3)에는 전면 편광자(4)를 온/오프스위치(6)를 조작하여 자동으로 개폐시킬 수 있도록 함으로써 화면의 내용을 선택적으로 볼 수 있도록 한 것으로, 상기 전면 편광자(4)를 설치하지 않고 이러한 전면 편광자(4)대신에 편광안경알을 가진 안경형태로 제작하여 특정인이 안경을 착용한 상태에서만 화면을 볼 수 있도록 한 것이며 이때 사용자가 얼굴을 좌우로 기울여 안경테의 각도가 변하여도 안경알은 항상 수직을 향하도록 하여 모니터 화면과의 각도를 일정하게 유지함으로써 선명한 화면을볼 수 있도록 한 것이다. 
       
     액정, 모니터, 텔레비전, 보안, 특정인, 편광자, 모터, 안경
Patent KR-20060118234-A (KR)
Title: Method for guiding summary routes in navigation system
Inventor: LEE JOON HWI
IPC: G08G1/0968
Filed: 2005-05-16
Abstract: A summary route guiding method of a navigation system is provided to enable a user to correctly judge the progressive direction of a vehicle through a summary route screen by displaying the upper center of the summary route screen in the true north direction. A summary route guiding method of a navigation system comprises the steps of: searching the travel route from the start place of a vehicle to the destination by using map data stored in a map data storage unit by a control unit, according to a travel route search command of the vehicle and displaying the searched travel route on a travel route guide screen of a display unit(200,202,204); generating a summary route by contracting the searched travel route and displaying the summary route on a summary route screen of the display unit(206); and detecting the present position of the vehicle by the control unit if the vehicle moves along the searched travel route, mapping the detected present position of the vehicle to the map data, and then displaying the travel route guide screen and the summary route screen(208,210,212,214).
Patent KR-20060047992-A (KR)
Inventor: CARMEN LAURA BASILE
IPC: G11B20/10
Filed: 2005-05-18
Abstract: 큰 DSV의 절대값을 가지는 데이터 심볼의 파괴적인 DSV(SDSV) 시퀀스는 정정할 수 없는 리드 에러를 발생시키기 때문에 광 디스크의 복사 방지에서 매우 가치있다. 하지만, DVD에서 사용되는 8-16 변조(ESM) 같은 멀티모드 코드에서는 데이터 심볼의 SDSV 시퀀스가 거의 발견되지 않는다. 멀티모드 코드를 이용해서 인코딩하기 위한, 인코더가 적어도 하나의 코드 워드의 파괴적인 시퀀스를 생성하도록 강제할 수 있는, 데이터 심볼을 선택하는 것이 요구된다. 만약 코드 워드가 큰 DSV의 절대값을 가지고 대체 코드 워드가 없거나, 모든 대체 코드 워드가 동등하거나, 하나를 제외한 모든 대안이 RLL 규칙에 의해 제외된다면 데이터 심볼에 대한 가능한 코드 워드가 선택된다.
Patent KR-20060121016-A (KR)
Title: Apparatus for generating stereoscopic image
Inventor: JUNG SUN LL
IPC: G03B35/00
Filed: 2005-05-23
Abstract: An apparatus for generating stereoscopic image is provided to generate the stereoscopic image signal having horizontal and vertical resolution and reduce the size of the data file by mounting the first and second image signal generating units. An apparatus for generating stereoscopic image is composed of an image acquisition unit; an image processing unit(20) processing the image acquired at the image acquisition unit by the stereoscopic image; and an output unit outputting the stereoscopic image processed at the image processing unit. The image acquisition unit has first and second lens units controlling the focus and depth of an object(P), first and second image signal generating units switching the image injected through the first and second lens units into the image signal, an image signal synchronization unit synchronizing the image signal, and a focus/depth control unit controlling the focus and depth of the first and second lens units.
Patent KR-20060124127-A (KR)
Title: Combination condome and penis erection device
Inventor: WOO JONG KUG
IPC: A61F6/04
Filed: 2005-05-31
Abstract: A penis erection assisting device having condom function using vacuum state by an air inhalation device is provided to allow smooth insertion of penis regardless of the penis size, to assist penis erection by an air inhalation device, to allow correction of impotency without pain or sexual feeling reduction, and to give condom function by preventing leaking of secreted materials. The penis erection assisting device having condom function using vacuum state by an air inhalation device comprises: a main body(10); an opening part(11) on one end of the main body(10), including a rim(13) projected in a shape like ring and a groove(14); a closing part(12) on the other end of the main body(10), of which bottom part forms slightly tapering slope(12a); a rubber ring for absorbing impacts(20) having a penis inserting part(21) and a hollow penis fastening part(23); and a packing(30) with a guide hole for a perforation hole on the closing part(12) of the main body(10).
Patent KR-20060127504-A (KR)
Title: Liquid crystal display device with source driver including common voltage feedback circuit
Inventor: KIM YUN HEE
IPC: G09G3/36
Filed: 2005-06-07
Abstract: A liquid crystal display device with a source driver having a common voltage feedback circuit is provided to quickly compensate distortion caused due to the load of a panel by controlling a common voltage at the position near the panel and to stabilize the common voltage. A liquid crystal display device includes a liquid crystal panel(30) for displaying image data in response to a common voltage(Vcom) and a data voltage and a plurality of source drivers(100) for generating the data voltage and compensating the distortion of the common voltage. The source driver has a common voltage feedback circuit(110) for compensating the distortion of the common voltage and removing flicker. The common voltage feedback circuit comprises a comparing unit feeding back the common voltage and judging the distortion of the common voltage and a compensation unit for compensating the distortion of the common voltage and outputting the compensated common voltage.
Patent KR-20060129116-A (KR)
Title: Door damper and home appliances with the same
Inventor: KIM SUNG KWANG
IPC: E05F3/20
Filed: 2005-06-10
Abstract: A door damper of electric home appliances is provided to open a door smoothly and to prevent the impact caused by opening a door by applying rolling resistance to a door and to close up a door easily by not applying rolling resistance to a door. A door damper(10) contains: a rotary shaft(11) supporting a door(3) rotatively; a bracket(12) coupled to both lower parts of the door and provided with a shaft coupling hole(13) to couple a rotary shaft(11); a rolling resistance unit(20) coupled to the rotary shaft and fixed to both sides of a main body(1) using fixing screws(15) to supply rolling resistance to the rotary shaft, and provided with a cylindrical casing filled with viscous fluids and coupled with the rotary shaft rotatively, a cutoff plate fixed to the inside of the casing to partition off the inside of the casing in the radius direction and a pressure plate rotated together with the rotary shaft to pressurize the viscous fluids in the casing; and a hanging device(30) installed on a connection of the rotary shaft and the door to damp a door(3) and provided with a hanging projection(31) projected to the outside of the rotary shaft, a hanging groove(32) formed on the bracket of the door to make the hanging projection suspended and primary and secondary hanging projections(33,34) located to make the hanging projection suspended and rotated.
Patent KR-20060130970-A (KR)
Title: Robot fork for use in transferring wafer having rubber tip
Inventor: BAEK JWNG HWAN
IPC: B65G49/07
Filed: 2005-06-14
Abstract: A robot fork having rubber tips for transferring wafers is provided to solve the problem in which a ceramic part at the front edge of a robot fork damages the wafer. A robot fork for use in transferring a wafer having rubber tips includes a plate settling the wafer, at least one wafer fixing rubber(102) provided on the plate so that the wafer is settled on the plate, rubber tips(104) formed at the front edge of the plate to prevent the wafer from being damaged.
Patent KR-20060046453-A (KR)
Inventor: TOUI TERUZO
IPC: C08J5/12
Filed: 2005-06-15
Abstract: 본 발명은 피도장물에 외관 불량이 발생하기 어려운 고 균일부착성의 양이온 전착 도료 조성물을 제공한다.   
     본 발명의 양이온 전착 도료 조성물은 (a-1) 아미노기를 갖는 아민 변성 비스페놀형 에폭시 수지 및 (b) 블록 아이소사이아네이트 경화제로 이루어진 바인더 수지; 및 (c) 4급 암모늄기를 갖는 변성 에폭시 수지로 이루어진 유화 수지를 함유하는 바인더 수지 에멀젼(A-1)을 포함한다.
Patent KR-20060132134-A (KR)
Title: Method of matching building address and base stations for mobile radio network quality measurement
Inventor: YOON YOUNG CHUL
IPC: H04B17/00
Filed: 2005-06-17
Abstract: A matching method between a building address and a BTS(Base Transceiver System) to measure mobile communication network speech quality is provided to be capable of utilizing plural terminals that general customers possess as measurement equipments, thus time and a cost consumed for measuring speech quality can be reduced. By interworking with a COIS(Customer Oriented Information System), information on a customer who agrees to quality measurement is stored in an RFQM(Radio Network Quality Measurement System)(S100). An operator of a mobile communication system extracts customer information in which a residential place address corresponds to a measurement target region, from the customer information of the RFQM(S110). The current terminal position of an extracted measurement target is inquired about by interworking with an MSC(Mobile Switching Center)(S120). If a BTS ID indicative of a position of the measurement target terminal is matched with an address of a measured customer, it is decided that the customer is located at the address(S130).
Patent KR-20070001520-A (KR)
Title: Web service based inter-domain connection managements for qos-guaranteed inter-networking
Inventor: KIM YOUNG TAK
IPC: H04L12/24
Filed: 2005-06-29
Abstract: A web service based inter-domain connection management architecture for QoS-guaranteed inter-networking is provided to assure QoS(Quality of Service) in a DiffServ-over-MLPS networking comprising LSR of several venders by providing an inter-AS(Autonomous System) connection management function based on web service. According to a web service based inter-domain connection management architecture for QoS(Quality of Service)-guaranteed inter-networking, a CNM(Customer Network Management system) manages CPN(Customer Network Management) and requests a QoS-guaranteed service starting from an end-user. An NMS(Network Management System) manages one MPLS domain network constituted with several subnetworks, and one subnetwork is managed through an EMS(Element Management System). Major functions of all network systems are requested to register in an inter-domain MPLS network management server, and each network system can use an allowed function by using an asynchronous SOAP request message. The inter-domain MPLS network management system is constituted with a private UDDI server satisfying the standard of UDDI version 3.0.
Patent KR-20070007655-A (KR)
Title: Pick-up of optical disc system without angle controlling for sub beam
Inventor: JEONG SEONG YUN
IPC: G11B7/09
Filed: 2005-07-11
Abstract: A pick-up of an optical disc system without an angle control of the sub beam is provided to remove the necessity of controlling a diffraction lattice. In a process for generating the alternating current component as a tracking error signal, when a beam crosses a track, the beam is condensed/reflected at the specific positions, and then the reflected beam is diffracted. When a center beam is coincided with the land, a beam diffraction pattern is represented symmetrically. When the center beam is positioned between a groove and the land, the difference between the sub beam signals is generated and the left and right sides of the diffraction pattern are asymmetrical.
Patent KR-20070008178-A (KR)
Title: Apparatus to mount a head lining and a front piller trim
Inventor: KIM JAE HWAN
IPC: B62D25/06
Filed: 2005-07-13
Abstract: A connecting structure between a head lining and a front pillar trim is provided to prevent airbag opening from being delayed due to earlier deformation of the head lining than the front pillar trim in opening an airbag at a vehicle having a curtain air bag. A connecting structure between a head lining(40) and a front pillar trim(30) comprises a hook(32) protruded to a predetermined length toward the head lining at the upper side of the front pillar trim to be assembled with the head lining; a mounting hole(42) formed at the lower side of the head lining combined with the upper end of the front pillar trim to be assembled with the hook correspondingly to the hook and possibly formed on the front and lateral sides of the front pillar trim in plurality by regarding the shape of the front pillar trim like a column; and a reinforcing bracket(50) mounted at the front side of the head lining to actively push the front pillar trim with the head lining when the curtain airbag is operated to transfer the expansion force of a tube to the head lining.
Patent KR-20070013590-A (KR)
Title: Back up system and method for slurry delivery system
Inventor: KIM TAE LYONG
IPC: H01L21/304
Filed: 2005-07-26
Abstract: Back up system and method for slurry supply equipment are provided to performing a slurry supplying process without stopping in spite of the malfunction of one or more slurry supply apparatuses. A back up system for slurry supply equipment includes a first pipeline loop, a second pipeline loop, and supply and collection back up loops. The first pipeline loop(20) is connected to a first slurry supply apparatus(210) and at least one or more first CMP(Chemical Mechanical Polishing) apparatuses(212,214,216,218). The first pipeline loop includes first valves(32,34) at first supply and collection lines(22,24). The second pipeline loop(40) is connected to a second slurry supply apparatus(220) and at least one or more second CMP apparatuses(222,224,226,228). The second pipeline loop includes second valves(52,54) at second supply and collection lines(42,44). The supply back up loop(60) is connected to the first and second supply lines of the first and second pipeline loops. The supply back up loop includes a first bidirectional valve(72). The collection back up loop(65) is connected to the first and second collection lines of the first and second pipeline loops. The collection back up loop includes a second bidirectional valve(74).
Patent KR-20060048813-A (KR)
Title: Reciprocatory dry shaver
Inventor: SHIBA TAKESHI
IPC: B26B19/02
Filed: 2005-07-27
Abstract: A reciprocatory dry shaver capable of driving an inner cutter (62) smoothly along an arcuately curved outer cutter (61) for efficient shaving. The dry shaver includes a shaving head (40) carrying an outer cutter which is arcuately curved along its length, and an inner cutter driven to reciprocate along the length of the outer cutter. An actuator (100) is mounted in the shaving head for driving the inner cutter. The actuator includes an oscillator (130) which reciprocates in the lengthwise direction of the outer cutter and carries a joint (102) for driving connection to the inner cutter. Also included in the actuator is a resilient coupling link (140) which supports the oscillator to the shaving head in order to allow the oscillator to reciprocate relative to the shaving head. The resilient coupling link has its one end coupled to the oscillator and the other end anchored to the shaving head at a portion away from the inner cutter than the oscillator. Thus, the oscillator is supported as being floated or lifted with respect to the shaving head, thereby being allowed to travel along a path which is somewhat arcuate in coincidence with the arc of the outer cutter. Accordingly, the oscillator, i.e., the inner cutter carried thereon can be guided smoothly along the arc of the outer cutter, assuring smooth and efficient shaving.
Patent KR-20060124528-A (KR)
Title: Plant structure of tree for protecting sectional incline face at road
Inventor: LEE JONG MAN
IPC: E02D17/20
Filed: 2005-08-09
Abstract: A structure for planting trees on an incline of a road cutting slope is provided to prevent the sliding phenomenon of soils on an incline of a road cutting slope and to protect natural environment by planting trees in a vegetation hole protector inserted to a vegetation hole of an incline of a road cutting slope. A structure for planting trees on an incline of a road cutting slope is formed by perforating a vegetation hole(4) for planting a tree on an incline(2) of a road cutting slope vertically, inserting a cylindrical vegetation hole protector(5) made with high density polyethylene to the vegetation hole, and planting a tree(3) by inserting the root of the tree in the vegetation hole protector and filling up with vegetation soils(6).
Patent KR-20070025645-A (KR)
Title: Can using dc-plc and orthogonal code method
Inventor: LIM MYOUNG SUB
IPC: H04B3/54
Filed: 2005-09-05
Abstract: A CAN(Controller Area Network) using a DC(Direct Current) PLC(Power Line Communication) orthogonal code scheme is provided to enable various nodes to simultaneously transmit important and urgent data through a CAN bus, thus the important data are effectively processed in real time. A CAN(200) comprises the followings. Orthogonal code type modems(210) form various patterns by multiplying orthogonal codes by data, and restore original data of the multiplied data. DC-PLC type DC power line couplers(220) transceive the data through a DC power line(230). The orthogonal code modems(210) modulate/demodulate the data into orthogonal codes. The DC power line couplers(220) load the data on the DC power line(230).
Patent KR-20070027158-A (KR)
Title: Floor board plate made & floor board setting
Inventor: KU I HOE
IPC: B27M3/04
Filed: 2005-09-06
Abstract: A method for constructing the floor by joining floor prop veneer boards is provided to prevent deformation of floor boards by sufficiently ventilating the air by forming mounting spaces of the floor prop veneer boards in the height of 3mlm and at the intervals of 25mlm. A floor board manufacturing method comprises the steps of: forming grooves with the width of 1mlm and depth of 6mlm in each center of horizontal and vertical sides(3a,3) of a floor board; producing the floor board by inserting a steel piece(4) having wood adhesive agent applying holes(4a) on the left and right sides of the center portion at dense intervals into the grooves of the floor board; forming grooves with the horizontal depth of 2.5mlm and width of 30mlm on a bottom surface(2); and forming grooves(2a,2b) on five spots of the left and right sides in the depth and width of 2.5mlm and at the intervals of 10mlm.
Patent KR-20070027269-A (KR)
Title: Ink supplying apparatus
Inventor: JUNG MYUNG SONG
IPC: B41J2/175
Filed: 2005-09-06
Abstract: An ink supplying apparatus is provided to detect bubbles from an ink tube and the size of the bubbles with reliability and selectively perform a proper maintenance. An ink supplying apparatus includes an ink cartridge(30) to accommodate ink, an ink tube(20) to connect the ink cartridge to a print head(10), and a detection circuit(100) to supply electric current to both ends of the ink tube and to detect the variation of an electric signal of the ink tube to detect the size of bubbles in the ink tube. The ink tube includes an inner circumference formed with at least one groove. The ink tube has a plurality of grooves spaced apart from each other. The detection circuit detects voltage drop at the both ends of the ink tube to detect the size of the bubbles. The detection circuit includes a power source(40) to supply the electric current to both ends of the ink tube and a detector(50) to detect the variation of the current signal. Electrodes are provided at the both ends of the ink tube and the current is supplied into the ink tube through the electrodes.