baber/WOPTO huggingface dataset:
Patent KR-20040108295-A (KR)
Inventor: SHIN DONG HUI
IPC: H01M10/48
Filed: 2003-06-17
Abstract: PURPOSE: A method for minimizing errors in measuring voltage or current during charge/discharge cycles of a secondary battery with a charging/discharging device is provided to measure the voltage and current correctly and to give a secondary battery having improved charge/discharge quality. CONSTITUTION: The method for minimizing errors in measuring voltage or current during charge/discharge cycles of a secondary battery with a charging/discharging device(100) having a plurality of channels(110-114) including a charging/discharging circuit for a secondary battery, comprises the steps of: (a) setting a measuring cycle(Ts) needed for measuring voltage and current once in the whole channels (110-114); (b) calculating a replying cycle(T) of the AC frequency component of the voltage or current; (c) calculating the number of measuring cycles(Ts/T) to obtain the nearest integer value; (d) setting the number of measurements to be averaged for determining the voltage and current for each channel; (e) calculating a delayed time(delta T) defined by T/N; and (f) calculating T X (Ts/T), followed by addition or subtraction of the delta T, and then performing measurement by using the corrected measuring cycle.
Patent KR-20050002949-A (KR)
Inventor: KIM HYUNG SEOK
IPC: H01L21/336
Filed: 2003-06-27
Abstract: PURPOSE: A semiconductor device and a fabricating method thereof for reducing the fabrication cost by using an IEP(Interferometric End-point) method for controlling a nitride etch process. CONSTITUTION: A poly is deposited on a substrate on which a predetermined structure is formed. A gate electrode is formed by patterning the poly. A nitride layer is formed on an upper surface of the substrate including a gate electrode. A sidewall(14) is formed on a sidewall of the gate electrode by etching partially the nitride layer. A source/drain region(15) is formed by performing an ion implantation process using a gate electrode and the sidewall as masks. An interlayer dielectric is formed on an upper surface of the substrate.
Patent KR-20050002953-A (KR)
Inventor: KIM KI YOUNG
IPC: H01L21/4763
Filed: 2003-06-27
Abstract: PURPOSE: A method of forming a metal line of a semiconductor device is provided to reduce the cost for removing a mask layer and a photoresist by using a sidewall as a mask to form a fine trench or a fine via. CONSTITUTION: A first wiring insulating layer is formed on a substrate including a predetermined structure. A via hole is formed on a predetermined part of the first wiring insulating layer. A second wiring insulating layer is formed on the first wiring insulating layer and is planarized. A hard mask layer is formed on the second wiring insulating layer and is patterned. An insulating layer is formed on the hard mask layer. A sidewall is formed by etching back the insulating layer. A trench(16) is formed by etching the second wiring insulating layer. A metal line is formed in the trench.
Patent KR-20050005255-A (KR)
Inventor: BOELSING FRIEDRICH
IPC: C07B31/00
Filed: 2003-07-01
Abstract: PURPOSE: Provided is a method for reductive precipitation on a metal surface, which significantly decreases damages from toxic organic and inorganic compounds through reductive decomposition of a toxic structure and reductive immobilization. CONSTITUTION: The method for reductive precipitation of a reducible compound, as it is, as a mixture with a reducing metal, or as a component of solution, comprises a step of immobilizing the reducible compound, in a continuous and reductive manner, on a clean surface formed by continuous and mechanical in-situ regeneration of the reducing metal finely dispersed at room temperature. Particularly, the reducible compound is an organic or inorganic compound, and the reducing metal is lithium, sodium, potassium, magnesium, calcium, aluminum or iron.
Patent KR-20040005617-A (KR)
Inventor: SUZUKI TAKASHI
IPC: B41M5/00
Filed: 2003-07-05
Abstract: PURPOSE: To provide a continuous sheet-like material marking device 1 having no possibility of early abrading and crushing a pen point 3, and stably making a marking on a continuous sheet-like material 2. CONSTITUTION: This continuous sheet-like material marking device 1 has a winding roller 4 for winding the continuous sheet-like material 2. The pen point 3 contacts with the continuous sheet-like material 2 at an angle Θ of 0° to 60° to the direction 22 for carrying the continuous sheet-like material in a part 21 wound on the winding roller 4. For example, the pen point 3 is composed of a felt bundle, and writes down an intermittent mark by alternately repeating operation for contacting the pen point 3 with the continuous sheet-like material 2 and separating operation.
Patent KR-20050008146-A (KR)
Inventor: KIM HYUNG SEOK
IPC: G01N21/88
Filed: 2003-07-14
Abstract: PURPOSE: A mechanical quality measurement system of a chassis and a component is provided to secure the reliability, to reduce a development time of a new vehicle and to realize the high quality by reducing the measurement time of the product and the calculation time of data and by calculating the exact data about every item. CONSTITUTION: A mechanical quality measurement system(100) contains a programmable unit(110), a manipulator(130), a multi-jig(140) and a main controller(120). The manipulator has a laser vision sensor. The multi-jig measures various items with one jig. The main controller controls the manipulator and the multi-jig. Thereby, the measurement time of a product and the calculation time of data are reduced and various items are measurable in a minimum space.
Patent KR-20050010614-A (KR)
Inventor: BAE BUM JIN
IPC: C09D11/00
Filed: 2003-07-21
Abstract: PURPOSE: A method for manufacturing a phosphor ink is provided to disperse a phosphor particle homogeneously and to reduce the time necessary to disperse, as well as to relieve the defect on a surface of the phosphor particle, which may be generated during dispersion. CONSTITUTION: The phosphor ink is manufactured by the method comprising the first step of introducing a phosphor particle and a dispersant into a first reaction vessel containing a solvent, followed by stirring to form a slurry for the phosphor ink; the second step of introducing a binder into a second reaction vessel containing the solvent to form a liquid mixture for the phosphor ink; the third step of introducing the slurry obtained in the first step into a dispersion vessel equipped with a piezoelectric element, and applying a first ultrasonic wave having low frequency and a second ultrasonic wave having high frequency to the dispersion vessel for a predetermined time alternately and periodically; and the fourth step of dispersing the slurry dispersed via application of ultrasonic waves in the third step, into a liquid mixture obtained in the second step.
Patent KR-20050012382-A (KR)
Inventor: LEE SEUNG WON
IPC: G02F1/13
Filed: 2003-07-25
Abstract: PURPOSE: An apparatus for feeding and discharging a flat panel display substrate is provided to maximize efficiency of a substrate processing apparatus and reduce the size of the substrate processing apparatus by enabling two flat display substrates to be processed simultaneously. CONSTITUTION: The first substrate feeding part includes a drive part, wherein one side of the first substrate feeding part is coupled to a base(3) by a hinge and the other side thereof is comprised of a free end part. The second substrate feeding part includes a drive part for moving a substrate, wherein one side of the second substrate feeding part is coupled to the base by a hinge and the other side thereof is comprised of a free end part. The free end part of the first substrate feeding part is faced toward that of the second substrate feeding part. A drive source, coupled to the first and second feeding parts and the base, drives the first and second feeding parts so that they can be rotated centering around a hinge coupling point.
Patent KR-20050014188-A (KR)
Inventor: CHOI YONG KOOK
IPC: H01M10/0525
Filed: 2003-07-30
Abstract: PURPOSE: An electrolyte for a lithium ion battery is provided, to inhibit the irreversible reaction with a carbon electrode for a long time generated during charge/discharge by employing propylene carbonate, thereby improving the stability of a battery over a wide range of temperature. CONSTITUTION: The electrolyte comprises lithium hexafluorophosphate (LiPF6); propylene carbonate; and methyl acetate. Preferably the ratio of propylene carbonate and methyl acetate is 4 : 1-4 by volume; and the concentration of LiPF6 is 0.75-1.5 M. The electrolyte is used in a battery system comprising a positive electrode comprising a graphite electrode active material and a negative electrode comprising a lithium metal.
Patent KR-20050017775-A (KR)
Inventor: CHANG JUN YOUNG
IPC: C02F3/06
Filed: 2003-08-08
Abstract: PURPOSE: To provide an apparatus for purifying river, which is able to effectively remove contaminants such as nutritive salts by using a filtration tank packed with a flowing module adequate for adhering microorganism capable of decomposing the contaminants thereto, and a method for purifying the river using the apparatus. CONSTITUTION: The apparatus comprises a filtration tank which has contact media for adsorbing, filtering, decomposing and precipitating contaminants of river flown-in from the outside, a sludge discharge line (410) which is placed at a lower end of the filtration tank to remove precipitated sludge at the filtration tank, an air injection pump (405) which is placed at the lower end of the filtration tank to supply oxygen to the filtration tank, an air duct (406) which is placed at the lower end of the filtration tank and connects the air injection pump with the filtration tank to convey the oxygen discharged from the air injection pump to the filtration tank, an inner return pump (412) which is placed at an upper end of the filtration tank to pump a portion of the river to be discharged to the outside of the filtration tank, and an inner return line (413) which is placed at the upper end of the filtration tank to convey the pumped river to a position where the river is flown. The contact media is a flowing module which consists of cubic sponge-shaped filter media having a porosity of more than 90%, spherical media made of plastic comprising small holes having a size less than that of the filter media to contain a plurality of filter medias, and a lattice-shaped net having a size les than that of the spherical media.
Patent KR-20050020413-A (KR)
Inventor: BANG YUN HYUK
IPC: C08G63/189
Filed: 2003-08-22
Abstract: PURPOSE: Provided is a solid phase polymerization of polyethylene naphthalate using ethylene glycol which increases surface mobility in a polyethylene naphthalate chip so that it makes ease of crystallization to reduce crystallization time. CONSTITUTION: The production process of polyethylene naphthalate using ethylene glycol comprises the steps of: (i) polymerizing esterification products of naphthalene dicarboxylate and thiol to prepare a polyethylene naphthalate free polymer; (ii) cooling the free polymer and cutting to chips with specific size; (iii) drying the cut free polymer chip at 180-220deg.C under ethylene glycol presence and crystallizing under inactive gas or low vacuum state for 0.2-5 hours; and (iv) solid-polymerizing under vacuum state at 230-260deg.C for 2-30 hours.
Patent KR-20050023183-A (KR)
Inventor: JANG KEUN YEONG
IPC: H04M3/42
Filed: 2003-08-27
Abstract: PURPOSE: A device for providing a call service in an intelligent network and a method thereof are provided to search a phone number by perceiving a voice of a service user, and to immediately perform a call connection between the service user and another terminal, thereby conveniently making a multipoint call without a special device. CONSTITUTION: An intelligent network service system(110) indicates to perform a call service scenario perceiving a voice of a service user according to at least one or more service requests received from the service user. A VXML(Voice eXtensible Markup Language) server(120) perceives the voice of the service user to search a company name of a called party. The VXML server(120) searches a department name from the company name and a called party name from the department name, and delivers a phone number corresponding to the caller name to the intelligent network service system(110). A web server(130) manages call information including department names, and worker names from the company name, and stores phone numbers corresponding to the call information.
Patent KR-20050023915-A (KR)
Inventor: KOO BON KWAN
IPC: H04B1/036
Filed: 2003-09-03
Abstract: PURPOSE: A mobile terminal with a slide type heat releasing member is provided to prevent malfunction of a communication unit and components installed on a PCB by easily releasing heat generated in the inside of a mobile terminal to the outside of a case. CONSTITUTION: A fixed holder(210) is fixed at an upper side of a communication unit and components from which heat is generated. A slider(220) is slidably moved inside the fixed holder(210). A heat releasing member(200) is fixed inside the slider(220), absorbs heat by contacting with the communication unit and components, and releases heat through heat releasing pins(230) provided at one side. A fixed pin(240) is attached to or detached from the slider(220) by passing through a case so as for the slider(220) to be moved or stopped. Coil springs(250) are positioned between the fixed holder(210) and the slider(220) and provide elastic force so as for the slider(220) to be moved toward outside of the case when the fixed pin(240) is separated.
Patent KR-20050026715-A (KR)
Title: Loading type remocon for car
Inventor: BAE BYEONG MAN
IPC: B60R11/02
Filed: 2003-09-06
Abstract: A loading remote controller of a vehicle is provided to minimize lowering of attention to driving by detecting function of flat or cubical keys of the remote controller with a hand without checking visibly and finding the remote controller easily while driving. A remote controller(40) is loaded on a loading apparatus(10) to operate electric equipments wirelessly, and the loading apparatus is installed in a vehicle like a deck of an electric apparatus such as a DVD player or a CD player. The flat remote controller is contained in the loading apparatus, and input keys are arranged in the remote controller. Markings are formed in the input keys and distinguished according to tactile sense of a user. The loading apparatus is composed of a moving plate(20) reciprocating by driving a motor and a tilt plate(30) hinge-combined wit the moving plate to form an inclined surface, and the remote controller is placed on the tilt plate. The remote controller is restricted from being slipped and displaced out of the tilt plate by forming a fitting sill(31) in an end of the tilt plate.
Patent KR-20050029076-A (KR)
Title: Filter holder and display apparatus comprising the same
Inventor: BANG WON KYU
IPC: A47B81/00
Filed: 2003-09-20
Abstract: A filter holder and a display device having the same are provided to prevent a degradation of image quality and damage of a plasma display panel by smoothly releasing heat generated from the plasma display panel. A filter holder(30) comprises a press portion(31) for pressing an electromagnetic wave shield filter(20) against a peripheral portion(11) of a front cabinet; a fixed portion(33) fixed at the peripheral portion of the front cabinet; an inner wall portion(32) for connecting the press portion and the fixed portion; and an outer wall portion(34) vertically extended from the fixed portion so as to improve the rigidity of the filter holder. The press portion has a first hole(32a), the fixed portion has a second hole(33a), and the outer wall portion has a third hole(34a) for passage of high temperature air.
Patent KR-20040028568-A (KR)
Inventor: PICKENS JOHN T
IPC: F01D17/16
Filed: 2003-09-29
Abstract: PURPOSE: A bumper system is provided to prevent the increase of a bumper gap, the abrasion of a screw thread and the releasing of a complex liner. CONSTITUTION: A bumper system comprises a synchronous ring(46), a bumper(32), a shim(38) and a sleeve(34). The bumper is combined with the synchronous ring. The shim limits a gap between a bumper pad and the bumper. The sleeve traps the shim completely. Thereby, the bumper system prevents the abrasion of a screw thread increasing the bumper gap and the releasing of a complex liner generating the increase of the bumper gap. The bumper system is installable in a common gas turbine engine hardware.
Patent KR-20050032133-A (KR)
Title: A ice vessel for refrigerator
Inventor: KIM SHEE IHN
IPC: F25C1/24
Filed: 2003-10-01
Abstract: An ice vessel for a refrigerator is provided to quickly cool a beverage by promptly melting ice and to less dilute the beverage by cooling the beverage with ice of small quantity. An ice vessel for a refrigerator has a plurality of ice containing parts(2) depressed toward a bottom of a body(1). Each ice containing part is depressed in a hexahedral or hemispherical shape in a tapered shape that an upper part is wider than a lower part. A protruded part(3) is formed at the ice containing part, protruded from the center of the bottom and extended in certain length above an upper side of the body. The protruded part has a tapered shape that a lower part is wider than an upper part.
Patent KR-20050034762-A (KR)
Inventor: LEE JAI HO
IPC: H04W8/08
Filed: 2003-10-07
Abstract: 본 발명은 무선랜 측위서버를 이용한 이동단말의 위치 추적시스템 및 방법에 관한 것으로, 이동단말과 연결된 AP의 MAC 주소를 데이터베이스화하여 무선랜 측위서버에 저장하고, 상기 측위서버로 전송되는 시그널 세기에 의해 상기 이동단말의 위치를 획득하고 계산하는 것이다. 
     본 발명은 상기 이동단말과 통신하는 다수의 AP(Access Point)가 설치된 공간좌표 위치와 MAC(Media Access Control)주소를 저장/관리하여, 상기 AP의 위치정보로 시그널 세기에 따른 상기 이동단말의 위치를 계산하는 무선랜 측위서버를 포함하여 구성되어 있으며, 상기 무선랜 측위서버는 상기 AP로부터 전송되는 시그널에서 가장 강한 신호를 선택하여 이동단말 사용자의 위치를 추적함으로써 보다 정확한 이동단말의 위치를 획득할 수 있다.
Patent KR-20050033707-A (KR)
Title: Cellular phone providing for many functions and method controlling the same
Inventor: HWANG IN SEONG
IPC: H04B1/40
Filed: 2003-10-07
Abstract: A multifunctional cellular phone and a method for controlling the cellular phone are provided to install a temperature sensor and a gas sensor on the cellular phone, respectively, thereby simply checking temperature while checking whether a gas leakage occurs. A temperature sensing unit(70) comprises as follows. A suspension cutting unit(71) is formed to cut one side of a cellular phone body(10). An interception protector(72) is coupled with the suspension cutting unit(71) while being formed in transparent way to prevent foreign substance from entering inside, and intercepts the foreign substance. A temperature sensor(74) is formed on one side of the interception protector(72), and transceives various data for temperature.
Patent KR-20050034301-A (KR)
Inventor: LIM BOK GYU
IPC: F01M13/04
Filed: 2003-10-09
Abstract: 블로바이 가스 환원관로 상에 블로바이 가스내에 윤활유 성분과 유증기 성분을 완전히 제거할 수 있도록; 
     필터 하우징의 내부에, 다수개의 필터 디스크를 일정간격으로 끼운 가스 안내관이 수직으로 배치되고, 상기 가스 안내관은 상기 크랭크 케이스와 제1환원관로로 연결되며, 그 하부 일측은 오일팬의 일측과 오일순환관로로 연결되는 윤활유 정화유닛; 엔진의 배기 메니폴드의 일측에 체결되고, 히터 하우징의 내부에는 다수개의 가열 디스크를 일정간격으로 끼운 지지봉이 길이방향으로 배치되고, 상기 윤활유 정화유닛과 제2환원관로로 연결되는 유증기 정화유닛; 상기 흡기관로의 일측에 설치되어 흡기관로로 블로바이 가스를 나선방향으로 분사하도록 상기 유증기 정화유닛과 제3환원관로로 연결되는 복수개의 분사노즐; 상기 크랭크 케이스의 일측에 장착되어 크랭크 케이스 내부 블로바이 가스의 농도를 검출하여 그 신호를 출력하는 가스농도감지센서; 상기 윤활유 정화유닛의 하부 일측에 장착되어 필터링된 윤활유를 검출하여 그 신호를 출력하는 오일검출센서; 상기 제1환원관로의 일측에 장착되어 상기 가스농도감지센서의 검출신호에 따른 제어기의 제어신호에 따라 상기 제1환원관로를 개폐 제어하는 가스차단밸브; 상기 윤활유 정화유닛의 하단부 오일순환관로 상에 장착되어 상기 오일검출센서의 검출신호에 따른 제어기의 제어신호에 따라 상기 오일순환관로를 개폐 제어하는 오일순환밸브를 포함하는 내연기관의 블로바이 가스 환원 시스템를 제공한다.
Patent KR-20050034409-A (KR)
Inventor: IM HYUNG TAIK
IPC: G06F9/44
Filed: 2003-10-09
Abstract: 본 발명은 가정내 네트워크망을 관할하는 홈서버와, 상기 홈서버와 인터넷망을 통해 연결되어 상기 홈서버를 관리하는 포탈서버를 포함하는 홈 네트워크 시스템에 있어서, 상기 홈서버의 소프트웨어의 버전 업그레이드가 자동적으로 수행되도록 하는 홈 네트워크 시스템 및 그 동작방법에 관한 것으로서, 건물내 구축된 홈 네트워크망과 연결되는 다수 가전기기와, 원격지에서 인터넷망을 통해 상기 건물내 다수 가전기기의 원격제어가 가능하도록 구축된 포탈서버와, 상기 홈 네트워크망에 연결된 다수 가전기기의 내부 제어를 수행하는 동시에 상기 포탈서버와 데이터 통신을 수행함으로써 내부 소프트웨어의 버전 업그레이드를 자동 수행하는 홈서버를 포함하여 구성되어, 홈서버내 인스톨되는 소프트웨어의 버전관리가 효율적으로 수행되어 사용자 편의성을 향상시키는 효과가 있다.
Patent KR-20040032794-A (KR)
Inventor: KOYAMA FUMIO
IPC: G02F1/133
Filed: 2003-10-10
Abstract: PURPOSE: An afterimage restraining circuit, a projector, an LCD(Liquid Crystal Display) and an afterimage restraining method are provided to restrain an afterimage of a screen. CONSTITUTION: An offset output unit having a gray correction LUT(LookUp Table)(310), an in-plane correction arithmetic circuit(330) and an in-plane correction memory(335) outputs an offset value changed according to a gray level of an image signal. An offset adding unit having adding and subtracting circuits(320,340) adds the offset value to the image signal. An AC driving conversion unit having an AC driving function addition DA(Digital to Analog) converter(350) converts the image signal into a signal capable of performing the AC driving of liquid crystals in a certain period. The converted image signal is supplied to a liquid crystal panel. The offset value is a difference value between an optimum value of a counter electrode voltage corresponding to the gray level of the image signal and a real value of the counter electrode voltage.
Patent KR-20050036461-A (KR)
Inventor: KANG KYUNG WON
IPC: H01J17/16
Filed: 2003-10-16
Abstract: 플라즈마 표시장치 조립체를 개시한다. 본 발명은 패널 조립체;와, 패널 조립체를 지지하는 샤시 수단;과, 샤시 수단상에 설치되며, 패널 조립체로부터 발생되는 열을 외부로 방출하는 방열 플레이트;와, 샤시 수단의 후방에 설치되며, 접속 단자가 실장된 인쇄 회로 기판;과, 샤시 수단과 방열 플레이트 사이에 설치되고, 양 단부가 패널 조립체의 각 전극 단자와 접속 단자에 각각 접속되어서 전기적 신호를 전달하며, 구동 칩이 실장된 플렉시블 프린티드 케이블;과, 방열 플레이트에 대하여 플렉시블 프린티드 케이블이 밀착되는 정도를 제어하는 위치 제어 수단;을 포함하는 것으로서, 샤시 베이스나 샤시 보강 부재와 방열 플레이트의 간격을 제어하는 것이 가능하므로, 구동 칩에 과다한 외력이 작용하여 파손되는 현상을 미연에 방지할 수가 있다.
Patent KR-20050037743-A (KR)
Inventor: CHOI DAE HYOUNG
IPC: B60G21/055
Filed: 2003-10-20
Abstract: 본 발명은 스테빌라이저바의 양단과 쇽업소버 사이에 실린더를 장착하고 조향운동에 따라 인장 또는 압축시켜 스테빌라이저바의 비틀림양을 증가시킴으로써 차체의 롤 강성을 증가시킬 수 있는 스테빌라이저 바 제어시스템에 관한 것으로서, 스테빌라이저바의 양단에 고정되고 단부가 차체에 고정된 피스톤이 유동가능하도록 삽입되어 있는 좌,우측 실린더와; 상기 좌,우측 실린더에 유압을 공급하기 위해 설치되는 유압펌프와; 오일의 유로를 개폐 및 전환시킬 수 있는 유압밸브와; 조향각을 감지하여 전기적 신호로 바꾸어 전달하는 조향센서와; 상기 조향장치의 조향각 변화에 연동하여 상기 스테빌라이저바의 좌,우측 실린더의 인장,압축을 조절할 수 있도록 상기 조향센서로부터 신호를 받아 상기 유압밸브를 제어하는 제어부와; 상기 유압펌프에 공급하기 위한 오일을 저장하는 유압탱크로 구성된다. 
     본 발명에 의하면, 차량의 선회시에 상기 실린더의 길이를 조절하여 차체의 기울어지는 방향과 반대방향으로 비틀림 탄성에너지를 저장시킴으로써, 차체의 롤링을 빠르게 흡수할 수 있어 코너링 성능이 향상되는 효과를 갖는다.
Patent KR-20030087599-A (KR)
Inventor: JEONG CHAN IN
IPC: A47C21/00
Filed: 2003-10-13
Abstract: PURPOSE: A multifunctional bed having massage devices is provided, which has a massaging effect to the waist in a lying state without any particular massager when a user using a waist backing unit of a bed feels a pain or fatigue. CONSTITUTION: The mat of the bed is divided into an ascending and descending mat(11) and a fixing mat(10) provided with a waist backing unit(13') appearing upward and downward by a motor(M) at the position corresponding to the waist region of a user. A plurality of massage devices are installed on the top surface of the waist backing unit(13') and each comprises an oscillator(30) repetitively oscillating using a solenoid so as to relieve fatigue and carry out a physical therapy by patting the main acupoints.
Patent KR-20050038520-A (KR)
Inventor: LEE DAE KEUN
IPC: G08G1/0968
Filed: 2003-10-22
Abstract: 개시된 페리항로용 네비게이션 시스템을 이용한 경로 계산방법은, (a) 출발지와 목적지를 확인하고, 페리항로가 존재하는지 판단하는 단계와; (b) 상기 단계 (a)에서의 조건을 만족하는 경우, 복수의 항로가 있는지 판단하는 단계와; (c) 상기 단계 (b)에서의 조건을 만족하는 경우, 출발지에서 항로 출발지까지의 경로 및 도착 예상시간을 계산하는 단계와; (d) 네비게이션 시스템의 메모리에 저장된 선박 출발 및 도착 시간을 고려하여 각각의 목적지 도착시간을 계산하는 단계;를 포함하는 것을 그 특징으로 한다.  
     본 발명에 따르면, 네비게이션 시스템의 본래의 목적인 사용자를 빠르게 목적지에 도착하도록 안내하는 기능을 향상시킬 수 있어 사용자의 편의성을 증대시킬 수 있는 이점이 있다.