baber/WOPTO huggingface dataset:
Patent KR-20020049346-A (KR)
Title: Method for Fabricating of Semiconductor Device
Inventor: LEE BYEONG GI
IPC: H01L21/334
Filed: 2000-12-19
Abstract: PURPOSE: A method for fabricating a semiconductor device is provided to reduce electrical resistance, by forming an insulation layer sidewall only on both side surfaces of the lower portion of a gate so that a contact area between the gate and a plug increases. CONSTITUTION: An isolation region is formed in a semiconductor substrate(21) to define a field region and an active region. A plurality of gates(23) are formed on a semiconductor substrate in the active region. A nitride layer sidewall(24) is formed on both side surfaces of the lower portion of the gate. An etch barrier layer(25) is formed on the semiconductor substrate and an interlayer dielectric(26) is formed on the entire surface. The interlayer dielectric is selectively removed to form a plurality of contact holes. The etch barrier layer is removed to expose the upper surface of the gate, the side surface of the upper portion of the gate and the semiconductor substrate in the active region by an isotropical etch process using the selectively removed interlayer dielectric as a mask and in an atmosphere having high selectivity regarding the isolation region. A conductive material is filled in the contact hole to form the plug(28).
Patent KR-20010025396-A (KR)
Title: A making animal food and manufacturing method thereof using pork
Inventor: CHAE EUN A
IPC: A23L13/00
Filed: 2000-12-22
Abstract: PURPOSE: A processing method of pork bellies using meat around the backbone, lean beef ribs and front and rear leg parts of the pork is provided to serve processed pork bellies having improved taste and shape better than normal pork bellies by using the unpopular meat parts. CONSTITUTION: The pork meat including the ham meat and the fat or the skin is processed by mixing 99.062% of pork meat, 0.21% of phosphate, 0.21% of sugar and 0.52% of salt with a proper amount of water at less than 14deg.C for 30min. The processed pork meat can comprises 94.62% of pork meat, 0.2% of phosphate, 0.2% of sugar, 0.5% of salt, 1% of green pimento, 1% of red pimento, 0.5% of garlic and 1% of carrot.
Patent KR-20010025402-A (KR)
Title: Pipe to cultivation of mushroom and cultivation-apparatus using of it
Inventor: JANG DONG GIL
IPC: A01G1/04
Filed: 2000-12-16
Abstract: PURPOSE: An apparatus for mushroom culture using a spot rod is provided to get fresh mushrooms easily at home by preparing the culture environment. The growing process of the mushroom can be observed for education. CONSTITUTION: The culture apparatus comprises a culture tank(10) including a shelf(30) supported by a support rib(11) and a bacterial rod(40) where mushroom spawns are inoculated that is made from sawdust, wood chip and rice bran and placed on the shelf inside, a cover(20) with a plurality of air holes(21) for opening and shutting the culture tank, a water tank(50) at the lower part of the shelf that is supported to be slid to a guide rib(12) of the culture tank and can be drawn to the outside of the apparatus. The apparatus also includes a water supply tank(70) providing water to the water tank, a hose(80) having a water quantity control valve(81), and a spot rod(60) having a plurality of spot holes on the outer circumference and being inserted into the central part of the bacterial rod. One end part of the hose is connected to the supply tank and the other end is connected to the spot rod.
Patent KR-20020052884-A (KR)
Title: Paper supply apparatus
Inventor: PARK SEOK DAL
IPC: B21C47/00
Filed: 2000-12-26
Abstract: PURPOSE: A paper supplying apparatus is provided which reduces changing of paper coils even if width of a strip is variously changed, and prevents twisting of paper during feeding of paper. CONSTITUTION: The paper supplying apparatus comprises a paper mounting part consisting a base(36) installed on rails(34) installed on a support frame(32), two pairs of one side moving blocks(38) and the other side moving blocks(40) which are installed on the base(36) so that they are moved on moving rails(42), a rack rod(52) installed at the one side moving block(38) and a motor(44) installed at the other side moving block(40) and connected to a pinion sprocket(54) corresponding to the rack rod(52) so that each of the one side moving block(38) and the other side moving block(40) are oppositely moved, clamps(46) installed on the one side moving block(38) and rotated by the motor(44), and a core(48) which is installed at the other side moving blocks(40) and rotated with the core(48) being inserted into the center of a paper coil; and a paper guide part comprising a support block fixed to the support frame(32), a paper guide can(76) one side of which is fixed to the support block, on which a plurality of deflector rolls(74) are installed, and which is penetrated from up to down, two cutout plates(80) which are installed inside the paper guide can(76) so that the cutout plates(80) form a paper guiding path(78), air supply lines(60,82) installed on each of the cutout plates(80), and solenoid valves installed on the air supply lines(60,82).
Patent KR-20020055462-A (KR)
Title: Level correcting method for screw down of hot rolling mill
Inventor: PARK SEONG SEOK
IPC: B21B39/00
Filed: 2000-12-28
Abstract: PURPOSE: A method for correcting level of screw down in a hot rolling mill is provided to prevent facility accidents and deterioration of working efficiency due to double operation by integrating a magnet clutch selection switch and a screw down operation switch. CONSTITUTION: The method for correcting level of screw down in a hot rolling mill comprises the steps of setting a basic integration value by selecting up/down buttons so as to set a level correction time as much as an amount required by an operator on a main machine interface; transmitting the set data to PLC by selecting a confirmation button after adjusting the level correction time more accurately by selecting an integration or subtraction button; transmitting magnet clutch open signals to a thyristor panel after confirming separate operation of the screw down by receiving the data from the PLC, and confirming open conditions of a magnet clutch(130); calculating up/down operation and level correction time of a work side motor(110) by level correction signals received from the main machine interface after receiving the separate operation confirmation signals from the other calculation part of the PLC, and transmitting control signals by the calculation results to the thyristor panel after confirming operation conditions of the screw down by receiving the magnet clutch open signals; and correcting level of the screw down as much as a required amount by driving the work side motor(110) by the control signals after opening the magnet clutch(130) by the signals transmitted to the thyristor panel.
Patent KR-20020055243-A (KR)
Title: Device and method for controlling power using booster in mobile communication phone
Inventor: JUNG YEONG GYUN
IPC: H04B1/04
Filed: 2000-12-28
Abstract: PURPOSE: A power control apparatus using a booster in a mobile communication terminal are provided to control power of an RF signal transmitted through an antenna automatically and increase the transmission power of the RF signal, thereby reducing the occurrence of noise. CONSTITUTION: A reception automatic gain control unit(100) outputs a reception gain signal of a terminal to an MSM(Mobile Station Modem)(200). The MSM(200) compares the received gain signal to a predetermined gain reference value, thereafter outputs the transmission gain control signal corresponding to the compared result to a transmission automatic gain control unit(300) and also outputs the RF(Radio Frequency) signal having a constant power level to a booster(400). The booster(400) receives the RF signal from the MSM(200), controls the power level of the RF signal by the booster gain control signal inputted from the gain control unit(300) and thereafter outputs the signal through an antenna.
Patent KR-20020027143-A (KR)
Title: A cellular phone with external power source
Inventor: KIM YOUNG YUG
IPC: H04B1/38
Filed: 2000-12-07
Abstract: PURPOSE: A cellular phone having an external battery is provided to minimize a size of the cellular phone, increase a battery capacity, and enable charging using a photoelectronic device. And the cellular phone is provided to enable calling with the other party while driving using an earphone, and to wear the cellular phone like a necklace so that a risk of loss can be eliminated and the human body can be protected from electromagnetic wave. CONSTITUTION: A cellular phone body(10) has an internal transceiving circuit and provides voice recognition and automatic dialing functions. And the cellular phone body(10) has a power supply jack(12) at an external thereof, to receive DC(Direct Current) voltage supplied from a necklace type charging battery(20). The charging battery(20) supplies DC voltage to the cellular phone body(10), and has a necklace type shape. Power source connection members are formed on the cellular phone body(10) and the charging battery(20) respectively. A coupling member(30) connects/fixes the charging battery(20) and the cellular phone body(10) integrally. And a communication line(40) delivers voice signals between the charging battery(20) and a handset(50).
Patent KR-20010022123-A (KR)
IPC: H01M10/052
Filed: 1998-07-20
Abstract: A method of making a cell component containing a polymer, the polymer consisting primarily of vinylidene fluoride, in which the polymer is mixed with at least one other ingredient, such as an organic plasticiser, and extruded at a temperature above its melting point. The method can be used to make electrolyte layers in which case the polymer would be mixed with at least a salt, and to make layers of composite material for use as anodes or cathodes, in which case the polymer would be mixed with at least a particulate insertion material. No solvents are required.
Patent KR-20010022711-A (KR)
Title: 오버랩 고단변속의 압력 적응 방법
IPC: F16H59/24
Filed: 1998-10-05
Abstract: 자동변속기에 대하여 한가지 압력적응 방법으로 제안한다. 이에 관하여 변속은 제 1의 개방(K1)과 제 2의 폐쇄클러치(K2)에 의한 오버랩 변속으로 행해지며 당해 오버랩 변속은 제 1 위상과 제 2 위상으로 구성되어 있다. 제 1의 위상중에 변속기 입력회전수(nT)의 증가가 조절된다. 본 발명이 제안하는 바에 의하면 변속명령을 발할때 시간(t2)은 변속기 입력회전수가 증분치(dn)에 도달할때까지 검출된다는 점이다. 이것은 차이가 형성되고 이것을 가산 메모리의 부호에 따라 감산됨과 동시에 설정된 시간(tAD)과 대비된다. 한가지 적응치는 가산메모리가 하나의 한계치를 상회할때 보정메모리에 저장된다. 이에대한 결과로 제 1 클러치(K1)의 차단-압력레벨(pAB)은 다음 변속시에 적응된다.
Patent KR-20010024161-A (KR)
IPC: F16H29/08
Filed: 1998-09-28
Abstract: The invention relates to a transmission gear with a steplessly adjustable translation for converting rotation speeds and torques between two shafts. Such converters are employed in all areas of the drive technology, as for example in machine tools and vehicle drives. The transmission gear according to the present invention allows a uniform motion transfer from the drive shaft to the driven shaft while simultaneously inducing substantially less wear appearances at its function determining transmission gear elements, in particular of the transmission gear part system at the side of the driven shaft. Means are furnished for reducing wear, which means superpose an additional motion influencing the speed of the driven shaft only unsubstantially to the translation motions of the translation device.
Patent KR-20010030686-A (KR)
Title: 불꽃 점화 기관에서의 불량 점화를 억제하는 장치
IPC: F02P3/04
Filed: 1998-09-23
Abstract: 본 발명은 불꽃 점화 기관에서의 불량 점화를 억제하는 장치에 관한 것이다.  점화 코일(7)의 제 1 권선부(7a)는 점화 스위치(IGBT 6)에 장착 및 직렬로 접속된다.  콘덴서(C), 저항기(5) 및 다이오드(3)으로 구성된 회로는 점화 스위치(IGBT 6)의 게이트 접속부(G)와 컬렉터 접속부(E) 사이에 배치된다.  제1 회로가 스위치 온될때, 콘덴서 방전은 게이트에서 전압을 감소시킴으로써 점화 스위치(6)의 콜렉터상의 감소하는 전압 엣지를 느리게 한다.
Patent KR-20010052184-A (KR)
Title: 고유 확산율이 높고 압력비가 낮은 흡착제를 이용한, 압력스윙 흡착 기체 분리 방법
IPC: B01D53/02
Filed: 1999-02-26
Abstract: 본 발명은 높은 고유 확산율의 흡착제와 낮은 압력비의 PSA 사이클을 이용하는 기체 분리 방법에 관한 것이다.  빠른 사이클, 얕은 베드 및 작은 입자를 특히 방사상 베드 배치로 사용함으로써 추가 개선이 이루어졌다.  낮은 압력비, 고속 흡착제 및 빠른 사이클의 조합은 베드 크기 인자(BSF) 및 전력 소비에 있어서 예상치못한 감소를 초래하는 것으로 밝혀졌다.  이러한 잇점은 고확산율의 흡착제의 사용에 의해 생성물 회수의 감소를 최소화시키면서 달성되었다.  이러한 전체적인 결과는 생산 비용을 상당히 감소시켰다.
Patent KR-20010042564-A (KR)
Title: 연료전지 튜브 및 그것의 제조방법
IPC: H01M8/12
Filed: 1999-04-09
Abstract: 향상된 성질 및 높은 제조수율을 가진 연료전지에 대한 다공성 세라믹 튜브의 제조방법이 개시된다. 방법은 고체 산화물 연료전지의 공기전극과 같은 폐쇄말단 연료전지 튜브(50)를 성형하는 단계를 포함하며, 폐쇄말단(52)은 또한 소결 지지부로서 작용한다. 얻어진 연료전지 튜브는 연료전지가 작동하는 동안 튜브의 폐쇄말단(52)에서 산소의 확산을 향상시키는 우수한 공극률 분포를 가진다. 이 영역이 최고의 전류밀도를 갖기 때문에, 성능 향상 및 향상된 연료전지 튜브의 신뢰도가 얻어진다. 또한, 본 방법과 관련된 높은 제조수율은 연료전지의 전체 가격을 떨어뜨린다.
Patent KR-20010043799-A (KR)
IPC: A61P25/14
Filed: 1999-05-25
Abstract: Fused heterocyclic-substituted (hetero)aromatic carboxylic acid alkylamides (I) are new. Amides of formula (I) and their tautomers, enantiomers, diastereomers, E- and Z-isomers and salts are new. [Image] A : fused cyclic group such as 1,2,3,4-tetrahydroquinolin-1-yl, 1,2,3,4-tetrahydroisoquinolin-2-yl, isoindolin-2-yl or indolin-1-yl, all substituted by (R 4) n in the benzene ring; B' : phenyl, naphthyl, pyridyl, pyrimidyl, pyrazyl, pyridazyl, quinolyl, quinazyl, quinoxalyl, thienyl, benzothienyl, benzofuranyl, furanyl or indolyl; R 1H, alkyl, alkoxy, alkenyl, alkynyl, alkylphenyl, alkenylphenyl, alkynylphenyl, OH, halo, CF 3, NO 2, NH 2, CN, COOH, COOT, NHC(O)T, NHC(O)Ph, C(O)NHR 11, NHSO 2T, NHSO 2Ph, SO 2T or SO 2Ph; T : 1-4C alkyl; R 2alkyl (optionally substituted by phenyl, cyclohexyl, pyridyl, thienyl, indolyl or naphthyl, themselves all optionally substituted by 1 or 2 R 1 groups); R 3H, COOR 5 or C(O)Z; Z : NR 6R 7, 4-(R 15)-piperazino, R 15-substituted pyrrolidino or R 15-substituted piperidino; R 4H, (CH 2) mNR 8R 9, (CH 2) mQ or O(CH 2) mQ'; Q : 4-(R 8)-piperazino, 4-(R 8)-homopiperazino, R 15-substituted pyrrolidino, R 15-substituted piperidino, morpholino, 4-(R 8)-1-piperidinyl or R 8-substituted hexamethyleneimino; Q' : 4-(R 8)-piperazino, 4-(R 8)-homopiperazino, R 8-substituted pyrrolidino, R 15-substituted piperidino, morpholino or 4-(R 8)-1-piperidinyl; R 5, R 8, R 9alkyl (optionally substituted by phenyl, itself optionally substituted by 1 or 2 R 10); R 6H or alkyl; R 7H or alkyl (optionally substituted by phenyl or pyridyl (both optionally substituted by R 10) or by 4-(R 8)-piperazino, 4-(R 8)-homopiperazino, R 15-substituted pyrrolidino, R 15-substituted piperidino, R 8-substituted 1-imidazolyl, morpholino, 4-(R 8)-1-piperidinyl or -(CH 2) oNR 8R 9); R 10H, T, OT, OH, halo, CF 3, NO 2, NH 2, CN, CONH 2, COOH, COOT, NHC(O)T, NHC(O)Ph, NHSO 2T, NHSO 2Ph, SO 2T or SO 2Ph; R 11H or alkyl; R 15H or as R 8; m : 1-6; n : 0-2; o : 0-4; unless specified otherwise alkyl moieties have 1-6C and alkenyl or alkynyl moieties 2-6C. ACTIVITY : Neuroprotective; spasmolytic; antiischemic; cytoprotective; cardiovascular; antitumor; antiinflammatory; antirheumatic. MECHANISM OF ACTION : Cystiene protease inhibitor; calpain inhibitor; cathepsin inhibitor; interleukin-1 antagonist. No results of biological activity tests are given, although test procedures are described.
Patent KR-20010052773-A (KR)
Title: 반절연성 탄화규소 기판 상의 질화물 기반 트랜지스터
IPC: H01L21/338
Filed: 1999-06-02
Abstract: 고전자이동도 트랜지스터(HEMT)는, 반절연성 탄화규소 기판, 상기 기판 상의 질화알루미늄 버퍼층, 상기 버퍼층 상의 절연성 질화갈륨층, 상기 질화갈륨층 상의 질화알루미늄갈륨의 활성 구조, 상기 질화알루미늄갈륨 활성 구조 상의 패시베이션층, 상기 질화알루미늄갈륨의 활성 구조에 접하는 각각의 소스, 드레인 및 게이트 접촉부를 포함한다.
Patent KR-20010043990-A (KR)
Title: 광 파장을 스위칭하는 방법 및 파장 선택 스위칭
IPC: G02F1/313
Filed: 1999-06-14
Abstract: 본 발명은 광 파장 채널을 스위칭하는 장치 및 방법에 관한 것이다. 상기 광 파장 채널은 제1 다중 모드 도파관의 제1 측면상에 제공된 적어도 하나의 액세스 도파관에 삽입된다. 그 결과, 파장 채널은 상기 다중 모드 도파관(10)을 통해 송신되고, 대향하는 측면상에 제공된 적어도 두개의 접속 도파관상에서 투사된다. 그 결과, 광 파장 채널은 접속 도파관을 통해 송신된다. 각 파장 선택 교차 접속 구조(2,4,6,8)에 대해, 위상은 상기 파장 선택 교차 접속 구조(2,4,6,8)의 제1 측면상의 제1 및 제2 접속 도파관에 배치된 두개의 위상 제어 소자(C1,C2,D1,D2,E1,E2,F1,F2)의 반사하는 파장에 대해 변화되는 동시에 상기 파장 선택 교차 접속 구조의 제2 측면에서와 같이, 상기 반사 파장 위상은 비교적 변화되지 않고 유지된다. 각 파장 선택 교차 접속 구조(2,4,6,8)에 대해, 위상은 파장 선택 교차 접속 구조(2,4,6,8)마다 제1 및 제2 방향으로 파장을 1회 송신하기 위해 변화된다. 제2 다중 모드 도파관(20)의 제1 측면상에 제공된 각 액세스 도파관에서 광 신호 사이의 위상 차는 광 신호가 대향하는 측면상에서 집중되는 위치를 결정한다.
Patent KR-20010078076-A (KR)
Title: Liquid crystal display device, wiring substrate, and methods for fabricating the same
Inventor: TAKAYAMA MASAYA
IPC: H01L21/3205
Filed: 2001-01-26
Abstract: PURPOSE: An LCD(Liquid Crystal Display) is provided to suppress the occurrence of partial loss in an Al layer caused by pinholes formed on a Mo layer. CONSTITUTION: An LCD(100) includes a reflection electrode(12) on a base substrate(10). The reflection electrode has the double-layer structure of a first metal layer(16) containing Mo and a second metal layer(14) containing Al formed on the first metal layer. By forming the first metal layer so that the maximum grain size of Mo at the surface is 60nm or less, generation of pinholes in the second metal layer is suppressed. The suppression in generation of pinholes prevent occurrence of partial loss of the second metal layer at positions surrounding the pinholes in a process such as removal of a resist pattern with an alkaline remover.
Patent KR-20010078129-A (KR)
Title: Disk cartridge
Inventor: IZU RIE
IPC: G11B23/03
Filed: 2001-01-29
Abstract: PURPOSE: To improve the reliability of the recording and/or reproducing operation of information in a disc-shaped recording medium by preventing the intrusion of dust into a cartridge main body. CONSTITUTION: A shutter member 35 having an upper shutter part 41 and a lower shutter part 42 formed so that an opening 17 for recording and reproduction and an opening 18 for driving can be opened and closed is arranged outside a cartridge main body 6. Then, a shutter cover 50 having an opening 51 formed so as to be made rather smaller than the lower shutter part 42 of the shutter member 35 at a position corresponding to the opening 17 for recording and reproduction and the opening 18 for driving is arranged on the main surface of the cartridge main body 6 so that the moving range of the lower shutter part 42 of the shutter member 35 can be covered.
Patent KR-20020066503-A (KR)
Title: Membrane module in waste water disposal plant
Inventor: AHN WON YEONG
IPC: B01D63/02
Filed: 2001-02-12
Abstract: PURPOSE: A membrane module for wastewater treatment plant is provided, in which suspended solids do not accumulate at the top thus reducing contamination of membrane and extending the life time of the membrane. Air bubbling and chemical feed are also facilitate the membrane to be cleaned easily. CONSTITUTION: The membrane module comprises a membrane module(30), a head part(31), a main body(32), an air discharge hole(33), a hollow thread membrane(70). In the body part of frustum type, the hollow thread membrane is hung at the head part at the top. Air sparged from air sparger at the bottom penetrates upward the body part as cleaning the surface of the hollow thread membrane, thus enhancing the membrane efficiency. Chemicals fed through many holes communicatively connected to the head part also facilitate the hollow thread membrane to be cleaned easily.
Patent KR-20020066694-A (KR)
Title: Custodial article for supplying one-off cups
Inventor: JUNG MOON HEON
IPC: B65D8/02
Filed: 2001-02-13
Abstract: PURPOSE: A storage stand for supplying a disposable cup is provided to be simply installed to the side wall of a vending machine or at a position adjacent to the vending machine, thus improving the convenience of use of the cup. CONSTITUTION: The storage stand for supplying a disposable cup comprises a hollow tubular body(10), which is made of transparent synthetic resin material so as to allow a plurality of cups stacked therein to be clearly expressed; and a soft withdrawal part(14) comprising a soft doughnut shaped tongue piece(14a) extended from the lower end of the body inwardly so as to support the upper rim(1a) of the cup thereon and a fastening member(14b).
Patent KR-20010035485-A (KR)
Title: The structure for assembling parts of a seat cover for vehicles
Inventor: KWEON YEONG GYU
IPC: B60N2/58
Filed: 2001-02-20
Abstract: PURPOSE: A seat cover with multiple hard segment pieces installed is easily connected with pad type cushion and easy to produce. CONSTITUTION: A base(9) made of synthetic resins has a brim(9a) possible to do needlework formed around the outer side thereof and multiple horizontal ribs and vertical ribs crossing each other forming a check form net inside the brim(9a) with inserting protrusions protrusively formed at their intersection. Multiple segment pieces(2) with inserting grooves(11) on the back thereof to be engaged with the inserting protrusion of the base(9) are installed on the top of the base(9). A pad(13) made of textiles or rush is connected with the brim(9a) by needlework.
Patent KR-20020069415-A (KR)
Title: thin film transistor array panel for liquid crystal display
Inventor: CHOI JUN HU
IPC: G02F1/1333
Filed: 2001-02-26
Abstract: PURPOSE: A TFT(Thin Film Transistor) substrate for an LCD device is provided to form a protection layer with an inorganic insulating layer having a lower dielectric constant, thereby improving an opening ratio even when a data line is overlapped with a pixel electrode. CONSTITUTION: Gate wires include the gate line(21) and the gate electrode(22) formed on a substrate. A gate insulating layer(30) covers the gate wires. A semiconductor layer is formed on the gate insulating layer. A data wire includes a data line(61), a source electrode(62), and a drain electrode(63). A protection layer(70) has the first contact hole showing the drain electrode. A pixel electrode(80) is connected to the drain electrode through the first contact hole. A dielectric ratio of the protection layer is composed of an inorganic insulating layer below 3.5.
Patent KR-20020073064-A (KR)
Title: Clothes balancing method for washing machines
Inventor: KIM JUN U
IPC: D06F33/02
Filed: 2001-03-14
Abstract: PURPOSE: A clothing releasing method is provided to effectively and uniformly distribute clothing in a washing drum for the smooth dehydration stroke by a single clothing releasing operation, thereby reducing the power consumption and the dehydration time period. CONSTITUTION: A clothing releasing method includes the steps of determining a threshold section including a threshold speed at which clothing is not separated from a wall of a drum when rotating the drum for dehydration(100), increasing the rotation speed of the drum gradually by a driving motor to distribute the clothing in the drum evenly(200), and rotating the drum at a high speed for the dehydration when the rotation speed of the drum is kept uniformly beyond the threshold section(300).
Patent KR-20010078484-A (KR)
Title: Help guidance for tourist information using internet/PDA and business model
Inventor: HA IN HYUN
Filed: 2001-03-19
Abstract: PURPOSE: A travel information help service method is provided to load up travel information and GIS(Geographical Information System) information as well as a mobile phone function on a PDA(Personal Digital Assistant) for enabling foreigners to make a phone and to search sightseeing places. CONSTITUTION: The method comprises steps of a tourist immigrating into a country and showing a passport at a PDA rental center for renting the PDA(1,2), the tourist requesting various tour informations via the PDA(3), a PDA service center offering the information, a group communication service among tourists, a position tracking, or an interpretation according to the request of the tourist(4,5), the tourist giving back the PDA before departing from the country(6), and the PDA service center receiving a service proving fare from a mobile carrier(7).