baber/WOPTO huggingface dataset:
Patent KR-20080097895-A (KR)
Title: Selecting route according to traffic information
Inventor: YUN KYUNG SO
IPC: G08G1/0968
Filed: 2007-07-02
Abstract: Driving path selection is provided to select optimum driving path by using the predicted traffic flow information. Driving path selection comprises the following steps. A first and a second location value for driving path search(S610) are input. Driving predicted information on the whole road section from the first location to the second location corresponding to the location values is produced by applying each weighted value set according to road section based on information among the current congestion information and predicted congestion information from the first location to the second location.
Patent KR-20090006500-A (KR)
Title: Apparatus for cutting dried lavers
Inventor: KANG SIN TAK
IPC: A23L17/60
Filed: 2007-07-12
Abstract: An apparatus for cutting the baked laver is provided to improve the productivity by automation and to prevent the damage of laver due to cutting. An apparatus for cutting the baked laver comprises a feeder(10) for feeding laver on a guide rail(12); a vertical cutter(20) installed so as to allow the guide rail to be connected at the downstream of the feeder for cutting the transferred laver; and a transverse cutter(30) installed so as to allow the guide rail to be connected vertically at the downstream of the transverse cutter for cutting the transferred laver secondly.
Patent KR-20090006702-A (KR)
Title: Ringer bottle holder
Inventor: NAM JOON WOOK
IPC: A61M5/52
Filed: 2007-07-11
Abstract: A portable Ringer bottle holder is provided, which enables to control the height of the Ringer bottle and prevents the regulating rod from falling rapidly in the state that the anchoring force of a stopper is released. A portable Ringer bottle holder comprises: a regulating rod(20) equipped with a hanging unit; a fixed bar(10) in which a regulating rod is inserted; a leg(12) which supports the fixed bar and equipped with casters; a screw part which is fixed on the top of the fixed bar and is equipped in the external periphery of the fixed bar; an elastic tube body equipped on the top of the fixed bar; a stopper(30) consisting of a knob which adds pressure to the elastic tube body while being connected with the screw part; and a falling prevention unit equipped in the lower part of the regulating rod.
Patent KR-20090007084-A (KR)
Title: Mass prefetching method for disk arrays
Inventor: PARK KYU HO
IPC: G06F9/24
Filed: 2007-07-13
Abstract: A disc array mass pre-fetching method is provided to maximize parallelism disc by arranging pre-fetching in stripes and pre-fetching one or more stripes when single sequential reading is sensed. A disc array mass pre-fetching method comprises a first step that a host requests to disc array to read the specific block(S200), a second step of determining whether strip pre-fetching is profitable for the current disc input/output by calculating the disc cost which is generated when not continuing the strip pre-fetching and the disc cost which is generated when continuing the strip pre-fetching through disc simulation based on the current cache, and a third step in which a driver controlling the disc array pre-fetches all blocks of the strip the requested block belongs to if the strip pre-fetching is profitable(S207).
Patent KR-20090007155-A (KR)
Title: 차량의 현가장치용 인서트
Inventor: PARK YONG GYU
IPC: B60G7/00
Filed: 2007-07-13
Abstract: 본 발명은 현가장치에 관한 것으로서, 특히, 현가장치를 이루는 부재들 사이의 결합을 행할 때에 부재의 변형을 방지토록 하는 차량의 현가장치용 인서트에 관한 것이다. 
     본 발명은, 어퍼암과 연결되는 볼 스터드가 삽입되는 장착홀부가 형성되는 캐리어, 상기 장착홀부에 삽입되는 인서트 본체, 상기 인서트 본체에서 연장되어 상기 장착홀부 외측으로 돌출되는 연장부, 및 상기 연장부에 형성되는 변형홈부를 포함하는 것을 특징으로 하는 차량의 현가장치용 인서트를 제공한다. 
       
     차량, 캐리어, 어퍼암, 볼 스터드, 인서트
Patent KR-20090011242-A (KR)
Title: Cooling apparatus for computer chip and manufacturing method thereof
Inventor: RYU JEONG MOO
IPC: H05K7/20
Filed: 2007-07-25
Abstract: A device for cooling a computer chip by including a plurality of heat pipes and a manufacturing method thereof are provided to realize better cooling efficiency by installing more heat pipes on a restricted area of a small chip with structural modification of the heat pipe and a sink pad. A cross section of a lower heat pipe(30) directly contacting with a computer chip has a predetermined shape. A bottom side of the lower heat pipe has a plat side. A cover block(10) receives and fixes the lower pipe of the heat pipe.
Patent KR-20090012952-A (KR)
Title: Non-dispersive infra-red absorption (ndir) type gas sensor with collimated light source
Inventor: KIM SI DONG
IPC: G01N21/00
Filed: 2007-07-31
Abstract: A non-dispersive infrared gas sensor having a parallel light source is provided to improve the sensitivity of the sensor and reduce an optical path required to achieve the same sensitivity. A non-dispersive infrared gas sensor includes an infrared light source(300), an optical cavity(100) having a geometrically arranged reflecting surface and forming an extended optical path according to multi-reflection, and an optical sensor unit(500) which is located at the termination of the optical path and measures the intensity of infrared rays of a specific wavelength, which are partially absorbed by specific gas on the optical path and then arrived at the optical sensor unit.
Patent KR-20080012811-A (KR)
Title: Dynamoelectric machine rotor and method for reducing torque ripple
Inventor: CAI WILLIAM
IPC: H02K1/27
Filed: 2007-08-06
Abstract: A dynamoelectric machine rotor and a method for reducing torque ripple are provided to inhibit natural flux line formation by interrupting selected regions of the rotor prone to flux passage. A rotor(10) has permanent magnets(14) fixedly positioned in first cavities(18). The rotor is located concentrically within a stator(22) and rotates about a rotor axis. An radial air gap(34) is formed between an outer circumferential surface(26) of the rotor(10) and an inner circumferential surface(30) of the stator. The air gap is intentionally kept small to maximize performance of a dynamoelectric machine. The stator has wound coils(38) fixedly positioned in slots(42). The coils are wound with an insulated conducting material. Electric current is passed through the coils of the stator to generate magnetic field. The stator reacts with the magnetic field of the permanent magnets of the rotor during energy conversion of a dynamoelectric machine.
Patent KR-20090018301-A (KR)
Title: Large sized surface light source and backlight unit having the same
Inventor: JUNG KYEONG TAEK
IPC: H01J61/30
Filed: 2007-08-17
Abstract: A large-sized surface light source apparatus and a backlight unit including the same are provided to form a large-sized surface light source device and to use gas without Hydrargyrum as discharge gas. A large-sized surface light source apparatus(200) includes a plurality of light source bodies which are arranged adjacently to each other in a horizontal direction. The light source body includes a first substrate(210) of a flat type and a second substrate(220) of a flat type. An electrode part is formed in at least one of a surface of the first substrate and a surface of the second substrate. The electrode part has high density in a region adjacent to a joint part between the light source bodies.
Patent KR-20090018329-A (KR)
Title: Apparatus and method for output controlling in portable terminal
Inventor: LEE SUNG JUN
IPC: H04B1/40
Filed: 2007-08-17
Abstract: An output control device of a portable terminal and a method thereof for reducing power consumption of a battery are provided to intercept power consumption to undesired screen by changing the size of the screen according to the movement of an upper slide. A controller of a portable terminal inspects whether to generate a power-off situation in the portable terminal(201). The controller indicates in order to confirm the location of an apparatus(203). The controller obtains the screen size fitting the location of the upper slide(205). The controller confirms the size of the screen(207). The controller compares the size of the screen(209). The controller outputs the screen of the size fitting for the top slide position(211).
Patent KR-20090018531-A (KR)
Title: Novel corynebacterium glutamicum promoter
Inventor: RAH SO YEON
IPC: C12N15/09
Filed: 2007-08-17
Abstract: A novel promoter derived from Corynebacterium glutamicum is provided to induce high expression of the target gene in various cells including Corynebacterium by showing strong promoter activity without specific condition, thereby preparing the protein high efficiently. The novel Corynebacterium glutamicum promoter nucleic acid molecule N1, or N2 comprises the nucleotide sequence of SEQ ID NO:1 or 2. A vector pECCG117-N1-GFP or pECCG117-N2-GFP comprises the Corynebacterium glutamicum promoter nucleic acid molecule. A transformant is produced by transforming a Corynebacterium or Brevibacterium microorganism with the vector pECCG117-N1-GFP or pECCG117-N2-GFP.
Patent KR-20090019469-A (KR)
Title: Printed circuit board
Inventor: LEE YUN GIL
IPC: H05K3/34
Filed: 2007-08-21
Abstract: A printed circuit board is provided to prevent a short circuit between circuits by reducing loss of heat to a ground region during a robot soldering process. A printed circuit board includes a main board. The main board includes a pad land group(210) and a ground region(220). The pad land group includes a ground pad land(214) and a pad land(212). The ground region is connected with the ground pad land. The ground region is formed in a predetermined distance from the pad land group. The ground region is formed in the predetermined place which is 0.5mm from the pad land group.
Patent KR-20080082885-A (KR)
Title: Semiconductor memory apparatus
Inventor: YUN JAE WOONG
IPC: G11C11/4093
Filed: 2007-09-05
Abstract: A semiconductor memory apparatus is provided to increase layout margin by reducing the configuration related with data input/output and data lines. A semiconductor memory apparatus comprises a first and a second data storing/processing region comprising a memory region in a bank. The first and the second data storing/processing region share a circuit part for data input/output and a signal line for data transmission. The first and the second data storing/processing region are arranged adjacently with each other. The circuit part comprises a control unit(120) and a sense amplifier unit(130). The control unit controls data output of each memory region of the first and the second data storing/processing region. The sense amplifier unit senses and amplifies data outputted through the signal line from each memory region of the first and the second data storing/processing region.
Patent KR-20090025068-A (KR)
Title: Opening and shutting device for terminal in electronic apparatus
Inventor: KIM SANG HYUP
IPC: G06F1/16
Filed: 2007-09-05
Abstract: A terminal opening/closing unit of an electronic device is provided to shelter a terminal, equipped in a front panel of the electronic device, selectively. An opening unit for exposing an input-output terminal to the outside is formed at the center of a frame. A hinge hole connected with the opening unit and a cover slot forming a predetermined space are formed inside the frame. A cover(30) is rotatably equipped in the frame to selectively shelter the opening unit. A hinge plate(31) is equipped at both ends of the cover and is protruded backward. One end, having a hinge projection(36) which is inserted into the hinge hole, is extended toward the cover slot so as to be parallel to the cover.
Patent KR-20090030661-A (KR)
Title: A feed additive for raising fishes, a feed composition, and a breeding method thereof
Inventor: YANG KUK SAN
IPC: A23K1/16
Filed: 2007-09-20
Abstract: A feed additive for raising fishes is provided to promote the growth of fishes by using a safe microbe form and to enhance the efficiency of feed. A feed additive for raising fishes comprises at least one microbe selected from the group consisting of Bacillus-subtilus KS-3, Bacillus-amyloliquefaciens KS-4, Bacillus-agaradhaerens KS-5, Paenibacillus-lentimorbus KS-6, Bacillus-laevolacticus KS-7, Leuconostoc paramesenteroides KS-9, Kurthia-sibirica KS-13, and ngobacterium-spiritivorum-GC subgroup B(Flavobacterium) KS-18. The total count of microorganism isx10^5-1x10^12cfu/g. The feed additive for raising fishes is manufactured in the form of pellet or liquid.
Patent KR-20090030842-A (KR)
Title: Method and apparatus for discriminating a disc
Inventor: LEE SEUNG CHEOL
IPC: G11B19/12
Filed: 2007-09-21
Abstract: A disc discriminating method and apparatus are provided to determine the type of a disc having more than one recording layers by comparing the peak points of signal, thus reducing the risk of abnormal distinction. A disc discriminating method comprises a step of receiving the signal which is generated from the beam reflected by the recording layer of a disc(S110), and a step of determining the type of the disc by comparing the magnitudes of the peak points of the signal(S120). When the signal has two peak points and the magnitude ratio of the smaller one to the greater one is less than a reference value, the disc is determined as a first disc having a single SD(Standard Definition) recording layer.
Patent KR-20090032434-A (KR)
Title: Pet hybrid nano-composite comprising poss and method for manufacturing the same
Inventor: LEE DONG JIN
IPC: B82B3/00
Filed: 2007-09-28
Abstract: A PET hybrid nano-composite comprising POSS(polyhedral oligomeric silsesquioxane) and a method thereof are provided to ensure high heat resistance, modulus and dispersibility. A PET hybrid nano-composite comprises: reformed PET resin by graft polymerization of PET resin and silane compound; and POSS(Polyhedral Oligomeric Silsesquioxane) dispersed in the reformed PET resin. The silane compound is represented by the formula 1. In the formula 1, R1 is C1-C10 alkyl group, C1-C10 alkoxy group, halogen or aryl group; R2 indicates a C1-C10 functional group whose end has a vinyl group or an acryl group. The POSS is represented by the formula 2.
Patent KR-20090032465-A (KR)
Title: Differential metal bonding by centrifugal casting process for aluminum alloy
Inventor: HONG CHUN PYO
IPC: B22D21/04
Filed: 2007-09-28
Abstract: A method for bonding dissimilar aluminum using centrifugal casting is provided to produce products of high strength and abrasion-resistance while reducing the failure rate by making the cast structure fine. A method for bonding dissimilar aluminum using centrifugal casting comprises a first step of heating up the inner wall of a mold of a true-centrifugal caster, a second step of injecting molten metal to be used as an outer material into the mold, a third step of agitating while injecting molten metal to be used as an inner material into the mold, and a fourth step of cooling after hardening the molten metal.
Patent KR-20080030542-A (KR)
Title: Method and system for transmitting/receiving data in a communication system
Inventor: MIN POONG KI
IPC: H04L12/24
Filed: 2007-10-01
Abstract: A data transceiving method in a communication system and a system thereof are provided to decide whether a USI(Universal Service Interface) is supported by using information on a network which a user accesses, and to offer different IM(Instant Messaging) services according to the decided results, thereby supplying a more convenient user interface to the user. An IM server checks whether a network which an MS(Mobile Station)2 accesses supports a USI(513). If so, the IM server provides an IM service capable of communicating with login/logout state MSs(515). The IM server receives a paging request from the MS2(517), and demands a paging process to an MS1(519). The IM server demands a login process to the MS1 which is transferred to an active mode(521), and checks whether the MS1 accepts the login process(523). If so, the IM server updates state information of the MS1(525), and maintains an active IM session as transceiving IM service data between the MS1 and the MS2(527).
Patent KR-20090035783-A (KR)
Title: Wafer edge oxide peeling preventing method for cis device
Inventor: PARK KYUNG MIN
IPC: H01L21/3065
Filed: 2007-10-08
Abstract: A wafer edge oxide peeling preventing method for a CIS device is provided to prevent peeling by increasing adhesion to an oxide material of BPSG in a post process. An oxide is deposited on the whole a wafer including gate contact, and a photoresist(30) is coated on a place excluding a wafer edge part selectively. The oxide at the salicide region is etched by using photoresist as the etching mask. A metal for the salicide formation is coated on the front side of the wafer. The salicide(50) is formed through a thermal process, and a remaining metal is removed from a salicide formation process. The roughness of the salicide surface is increased by performing plasma of the surface of the salicide which is formed at the wafer edge, so adhesion of salicide and oxide is increased.
Patent KR-20090041852-A (KR)
Title: The auto toothbrush
Inventor: HONG SOO HYUNG
IPC: A46B13/02
Filed: 2007-10-25
Abstract: A brush actuator of the automatic toothbrush is provided, in which structure is simple and the manufacture is facilitated and which shortens the assembly time of the part. A brush actuator of the automatic toothbrush is constituted as follows. The toothbrush(10) is formed to separate the body portion and head unit. The operated left-right operation type toothbrush body(13') is installed at the head unit. The rotating brush(14) rotated by the operation of the left-right operation type toothbrush body is installed. The driving part(15) operating the toothbrush body is installed inside the body portion. In the end part of the body portion, the dry cell connecting part(16) screwing the dry cell and the cap(17) fixing the dry cell connecting part are connected.
Patent KR-20080009668-A (KR)
Title: Nt carbio airfilter
Inventor: KIM SOO WON
IPC: B60H3/00
Filed: 2007-10-31
Abstract: An anti-bacterial composition for removing harmful organic matters and a functional air filter for a vehicle are provided to exchange free electrons of particles of the composition to cause surface radical to break harmful organic matters and restrain generation of a mold and moisture, thereby cleaning inflow of indoor air of a vehicle. A mixture is manufactured with 30-40% of silicon oxide, 5-10% of lanthanum oxide, 5-10% of cerium oxide, 50% of titanium dioxide in particles having pulverulent body size smaller than 40um. The mixture is melted into an aqueous solution of 0.3kg ± 0.05kg per 1,000ml of distilled water. The aqueous solution is rotated to be gelled by a bite impeller making 30,000rpm in a normal temperature of 40 degrees. The gelled solution is frozen and dried to remove moisture. The cohered solid is pulverized and diluted to obtain an anti-bacterial composition for removing harmful organic matters.
Patent KR-20090044843-A (KR)
Inventor: CHO YONG SUK
IPC: H04Q9/04
Filed: 2007-11-01
Abstract: 본 발명은 TV나 DVD 등에 사용되는 리모콘에 관한 것으로, TV 등의 시청 채널을 선택하는 채널선택부(1)와 순차적인 채널선택과 음량을 조절하는 채널음량선택 조절부(2) 및 부가선택이나 미세조정 등의 응용기능을 선택하는 응용조절부(3)로 구성되되;상기 채널선택부(1)는  숫자 '0'에서부터 '9'까지 구비된 채널선택롤러(4)와, 상기 채널선택롤러(4)에서 선택된 숫자를 감지할 수 있는 숫자감지부(5)와, 상기 숫자감지부(5)에서 감지된 숫자를 저장하는 숫자저장부(6)와, 상기 숫자저장부(6)로부터 저장된 숫자를 외부로 표시하는 숫자표시부(7)와, 상기 숫자표시부(7)에 표시된 숫자의 전기적 신호를 TV등의 전자기기에 보내주는 확인버튼(8) 및 조사부(9)로 구성되어; 상기 채널선택롤러(4)를 회전시키면서 시청을 원하는 숫자를 눌러 줄 때마다 TV나 DVD 등의 채널 선택을 신속하게 하여 사용자가 원하는 채널을 간단하게 변경할 수 있도록 함으로서 상기 리모콘(10)이 소형화를 이룰 수 있고 또 이로 인한 경비절감은 물론 활용 효율성이 한층 향상되는 리모콘에 관한 것이다. 
       
     리모콘, 간편리모콘
Patent KR-20090046532-A (KR)
Inventor: YOU YONG CHAN
IPC: C09K11/55
Filed: 2007-11-06
Abstract: 본 발명은 a) 칼슘(Ca) 및 마그네슘(Mg) 전구체 물질로서 적어도 하나가 염산염인 것을 조건으로 하여 각각 질산염, 염산염, 및 초산염 중에서 선택된 하나; 규소(Si)의 전구체 물질로서 테트라에틸 오르소실리케이트(TEOS) 및 나노 미터 크기의 실리카 분말 중에서 선택된 하나 이상; 및 활성 성분으로서 유로피움(Eu);을 증류수에 용해시켜 전구체 용액을 형성하는 단계; b) 상기 전구체 용액을 분무액적 발생장치를 이용하여 0.1 ~ 100㎛ 직경의 액적을 발생시키는 단계; c) 상기 발생된 액적을 건조 및 열분해 과정을 거쳐 Ca 1   -   x MgSi 2 O 6 :Eu x (0 ≤ x ≤ 2)로 표시되는 형광체 분말을 얻는 단계; 및 d) 상기 형광체 분말을 산화시킨 후 수소/질소 기체 분위기하에서 열처리하여 최종 형광체 분말을 제조하는 단계;를 포함하는 분무열분해법에 의한 구형 실리케이트계 청색 형광체의 제조방법을 개시한다. 본 발명에 따르면, 분무열분해법에 의하여 전구체 물질들을 적절한 조합하여 형광체의 발광특성이 개선된 구형 실리케이트계 형광체를 제조할 수 있다. 따라서, 이러한 구형의 청색 형광체는 자외선 영역 하에서 발광특성 및 저전압 전계 발광 휘도를 향상시킬 수 있어 차세대 플라즈마 디스플레이 패널(PDP) 및 전자 방출 소자(FED)에 적용가능하다.
Patent KR-20090052590-A (KR)
Inventor: KIM SUNG KI
IPC: G02F1/1337
Filed: 2007-11-21
Abstract: 본 발명은, 어레이 기판과 컬러필터 기판과 액정층으로 이루어진 액정패널을 제조하는 방법에 있어서, 상기 어레이 기판과 컬러필터 기판에 각각 배향막을 전면에 형성하는 단계와; 상기 배향막이 형성된 어레이 기판에 대해 게이트 및 데이터 패드단자와, 씰패턴이 형성될 부분에 대응하여 레이저 빔 조사장치를 통해 레이저 빔을 조사하여 상기 배향막을 제거함으로써 상기 배향막을 패터닝하는 단계와; 상기 배향막이 형성된 컬러필터 기판에 대해 상기 씰패턴이 형성될 부분에 대응하여 상기 레이저 빔 조사장치를 통해 레이저 빔을 조사하여 상기 배향막을 제거함으로써 상기 배향막을 패터닝 하는 단계와; 상기 배향막이 패터닝 된 어레이 및 컬러필터 기판 중 어느 하나의 기판에  대해 상기 배향막이 제거된 부분에 상기 씰패턴을 형성하는 단계와; 상기 어레이 기판과 컬러필터 기판을 액정층을 개재하여 합착하는 단계를 포함하는 액정패널의 제조 방법을 제공한다.  
       
     배향막, 레이저빔, 패터닝, 씰패턴
Patent KR-20070117518-A (KR)
Title: Manufacturing method and structure coefficient of friction lower cellulose fiber clean pad
Inventor: LEE WANG SEOP
IPC: A47L13/256
Filed: 2007-11-22
Abstract: A manufacturing method for a cellulose fiber clean pad having low friction coefficient and a structure thereof are provided to clean a floor easily by forming a groove for reducing friction coefficient capable of forming an air gap on a clean surface of a cellulose fiber clean pad. A manufacturing method for a cellulose fiber clean pad having low friction coefficient comprises the steps of: forming a groove for reducing friction coefficient(200) to flow air as lubricant by forming an air gap at one side of a cellulose fiber fabric(10) by a grinder; coating an adhesive to the opposite side of the groove for reducing friction coefficient by a spray method; manufacturing a cellulose fiber clean pad overlapped with a nonwoven fabric(50) thereon; and cutting the manufactured cellulose fiber clean pad to have the size and shape mating to a clean pad attaching plate of a manual cleaner.
Patent KR-20090053098-A (KR)
Inventor: KIM JAE GU
IPC: G03F7/18
Filed: 2007-11-22
Abstract: 본 발명의 일 실시예에 따른 비평면 코팅 장치는 비평면 형상의 기판에 레지스트를 공급하는 레지스트 공급부와, 상기 기판의 아래에 설치되고, 레지스트가 코팅되는 기판의 면과 대향하도록 설치되며 기체 분사구가 형성된 테이블과, 상기 테이블에 연결된 지지축과, 상기 지지축와 연결되어 상기 지지축에 회전력을 인가하는 구동 모터, 및 상기 기체 분사구로 기체를 공급하는 펌프를 포함할 수 있다. 
       
     레지스트, 코팅, 비평면, 기체 분사구
Patent KR-20080112077-A (KR)
Title: Method of rach preamble configuration and method of transmitting rach signal
Inventor: LEE HYUN WOO
IPC: H04B7/26
Filed: 2007-11-27
Abstract: A RACH preamble constitution and a transmission method comprising a random access channel according to the cell coverage of a base station are provided to generate RACH preamble by using predetermined CP and predetermined sequence. The predetermined cyclic prefix time length information is acquired according to the cell coverage of a base station. Sequence time length information about one sequence or the repeated sequence is acquired. A preamble is comprised by using predetermined cyclic prefix time length information and sequence timing length information without considering time length of guard interval.
Patent KR-20080049652-A (KR)
Title: Techniques for minimizing radiofrequency-induced tissue heating
Inventor: GOVARI ASSAF
IPC: A61B18/00
Filed: 2007-11-29
Abstract: A technique for minimizing radiofrequency-induced tissue heating is provided to offer power to the medical device in a living subject wirelessly using external radio frequency energy while minimizing local deposition of radio frequency energy in tissues. A system(10) for wirelessly energizing a medical device includes a power-driving unit(12) disposed outside a subject and an implantable or insertable wireless medical device(16). The medical device is typically incorporated in a catheter or implanted in the subject. The medical device includes at least one power coil(18). The power coil receives energy transmitted by the power-driving unit. The system further includes one or more position signal generators(20). The position signal generators generate position signals received by at least one position sensing coil(22). The position sensing coil is incorporated in the medical device. A control unit(24) controls and energizes the position signal generators and the power driving unit.