baber/WOPTO huggingface dataset:
Patent KR-20050095596-A (KR)
Title: Olefinic thermoplastic elastomer sheet, process for production thereof, and laminates
Inventor: KANAE KENTAROU
IPC: C08L101/00
Filed: 2003-12-24
Abstract: An olefinic thermoplastic elastomer sheet which is equivalent to current olefinic thermoplastic elastomer sheets in rubber elasticity, flexibility, and fabrication quality and exhibits good mechanical characteristics, particularly excellent mar resistance; a process for producing the same; and laminates comprising the sheet as the surface layer. The sheet is made from an elastomeric material which comprises both an olefinic random copolymer obtained by copolymerizing ethylene with an alpha-olefin having 3 to 10 carbon atoms, an unsaturated monomer having a functional group, and, if necessary, a nonconjugated diene, and a metal ion for crosslinking the random copolymer.
Patent KR-20050098922-A (KR)
Inventor: ENGELLAND RANDALL ALLEN
IPC: B01D46/24
Filed: 2004-02-09
Abstract: An air cleaner arrangement or assembly is provided. The air cleaner arrangement includes a serviceable filter cartridge. The air cleaner assembly also includes an arrangement for positioning the filter cartridge into a preferred, sealing, orientation and for securing the filter cartridge in that location. Preferred serviceable filter cartridges are provided, as well as methods of assembly and use.
Patent KR-20060002831-A (KR)
Title: Systems and methods for interactive search query refinement
Inventor: ANICK PETER G
IPC: G06F17/30
Filed: 2004-03-22
Abstract: A received query is processed so as to generate an initial group of ranked documents corresponding to the received query. Each document in all or a portion of the documents in the initial group of ranked documents is associated with a respective set of ranked candidate terms such that each candidate term in the respective set of ranked candidate terms is embedded within the document. Each respective set of ranked candidate terms is identified at a time prior to the processing of the received query. In accordance with a selection function, a subset of the candidate terms in one or more of the respective sets of candidate terms is selected. In response to the received query, the initial group of ranked documents and the subset of candidate terms are presented.
Patent KR-20050118211-A (KR)
Title: Access to a wireless local area network
Inventor: ROONEY SEAN
IPC: H04L12/56
Filed: 2004-03-24
Abstract: A method and a mobile station (1) are introduced for providing access to a wireless local area network. As wireless local area networks (3,4,5) cannot be accessed by a mobile station (1) moving with high speed, the establishment of a connection to the wireless local area network (3,4,5) is subject to a motion value (mv). The motion value (mv) is provided by the mobile station (1) itself or by a services unit (21) of the transport mechanism (2) the mobile station (1) is traveling with.
Patent KR-20060015486-A (KR)
Title: Method and device for generating carbonated water
Inventor: OKAZAKI TATSUO
IPC: A23L2/54
Filed: 2004-04-14
Abstract: A method and a device for generating carbonated water, wherein pressure-regulated carbon dioxide gas is supplied from a high-pressure carbon dioxide gas cylinder (2) to a pressure vessel (1) and water from a water tank (3) is sprayed in the gas phase area of the pressure vessel (1) to dissolve the carbon dioxide gas in the water under pressure so as to produce carbonated water. The carbonated water is discharged from the bottom of the pressure vessel (1) through a discharge pipe (7). The carbonated water discharge pipe (7) comprises a restrictor and a pressure reducing mechanism (8), whereby the state of the carbonated water of a specified level stored at the bottom of the pressure vessel (1) can be maintained.
Patent KR-20060007009-A (KR)
Title: Radio communication system, radio communication device, radio communication method, and computer program
Inventor: SUGAYA SHIGERU
IPC: H04W74/08
Filed: 2004-04-27
Abstract: A radio communication device constituting an ad hoc network without arranging a control station sets a region which it can use with a higher priority and performs isochronous communication within the region as is necessary. When no isochronous communication is performed in the priority use region or after an isochronous communication is terminated, the other communication device performs an arbitrary communication. When other communication is performed within the priority use region of the local device, start of an isochronous communication is temporarily delayed. Under the ad hoc communication environment, it is possible to effectively transmit real time data such as an AV content by isochronous communication.
Patent KR-20060003874-A (KR)
Title: Carrier management for a network
Inventor: IWAMURA RYUICHI
IPC: H04L5/02
Filed: 2004-04-02
Abstract: In an OFDM-TDMA power line communication system, time slot and carrier frequencies are assigned in a manner that reallocates time slots and carrier frequencies (516) to enhance the efficiency of utilization of bandwidth. The reassignments are communicated between transmitting and receiving stations by transmitting tone maps (544) that designate the reassignment of the time slots and carriers. Several variations are presented depending upon the circumstances of channel use and prior assignment of time slots and channels.
Patent KR-20060006832-A (KR)
Title: Reverse trick modes on progressive video using special groups of pictures
Inventor: LIN SHU
IPC: H04N9/804
Filed: 2004-05-03
Abstract: The invention concerns a method (200) and system (100) for encoding a video signal. The method includes the steps of receiving (212) a progressive video signal and encoding (214) the progressive video signal into at least one group of pictures having at least one prediction source picture and at least one non-prediction source picture. All the non-prediction source pictures are predicted from the prediction source picture such that no non-prediction source picture is predicted from another non-prediction source picture. The method also includes the step of, in response to a reverse trick mode command, altering (218) the display order of the group of pictures to permit the group of pictures to be displayed in a reverse order. Additionally, the method can include the step of modifying (220) at least the number of non- prediction source pictures in the group of pictures in response to the reverse trick mode command.
Patent KR-20060063797-A (KR)
Title: Pharmaceutical composition and method for alleviating side-effects of estrogen replacement therapy
Inventor: RATH MATTHIAS
IPC: A61K33/34
Filed: 2004-06-11
Abstract: The present invention provides pharmaceutical compositions for alleviating pathological conditions in a post-menopausal woman, comprising lysine, proline, arginine, ascorbic acid, magnesium, green tea extract, N-acetyl-cysteine, selenium, copper, manganese and one pharmaceutical acceptable component selected from the group consisting of a carrier, a diluent, and an excipient, wherein the compositions contain 24-25 wt % lysine, 16-25 wt % ascorbic acid and 22-25 wt % green tea extract. A method of treatment using the pharmaceutical compositions are also disclosed.
Patent KR-20070073076-A (KR)
Title: Method for resource control in mobile communicatino system
Inventor: FISCHER PATRICK
IPC: H04L12/28
Filed: 2006-01-03
Abstract: A resource control method of a wireless communication system is provided to transceive information on capacities of a mobile terminal, thus the mobile terminal can normally transceive data since overall capacities of the terminal are considered. At least one piece of information corresponding to the first service for plural mobile terminals and information corresponding to the second service for a particular mobile terminal is received(410,420). Resources of a terminal for receiving the first service and the second service are calculated(430). Information corresponding to the calculated resources is transmitted to a communication system(440).
Patent KR-20070075876-A (KR)
Title: The method and system for making diary with mobile phone
Inventor: LEE HYO KYONG
IPC: H04W4/12
Filed: 2006-01-16
Abstract: A method and a system for writing a diary with a mobile terminal are provided to enable a user to make the diary anytime and anywhere by enabling the user to transmit data in a voice or short message of the mobile terminal, and converting the received data into a text diary. The user has the mobile terminal(10) and a computer(12) including an Internet connection program. A diary management server(20) receives the voice and short message from the user, and stores/manages the text diary by converting the received message into the text diary. The diary management server includes a voice mailbox(23) storing the voice message as a voice diary, a voice file database(26) storing/managing the voice diary in a file type, a TTS(Text-To-Speech) device(22), a text mailbox(24) storing the text message, a text database(27) storing/managing the text file converted in the TTS device and the short message, a member database(25), and a processor(21) adjusting/managing all processes occurring in the diary management server.
Patent KR-20060017552-A (KR)
Inventor: KIM JIHN KUK
IPC: H04B3/54
Filed: 2006-01-18
Abstract: 다자간 통신이 가능한 무극성 2 선식 쌍방향 통신 씨스템에 대하여 개시한다. 개시된 본 발명은 보일러 등과 같이, 주된 제어장치[본체 M 1 ]와 본체 [본체 M 1 ]에 유선으로 연결되어 사용되는 다수의 단말기 [S 2  ∼ S n ] 사이를 전원공급선 2 선만으로 연결하여 본체를 포함한 다수의 단말기 상호간에 쌍방향 통신이 가능하도록 하는 쌍방향 통신 씨스템에 관한 것이다. 통상 본체 [본체 M 1 ]가 단말기[S 2  ∼ S n ] 에 전원을 공급하면서 다자간 통신이 가능하도록 하기 위해서는 전원공급선 (+), (-), 그리고 Rx, Tx 선 총 4 선이 필요하다. 본 발명은 2 선만으로 전원공급과 다자간 쌍방향 통신이 가능하게 함으로써 본체와 단말기들 사이의 결선을 위한 옥내.외 배선공사가 용이하도록 하고 결선의 편리성을 제공하여 결과적으로 다자간 쌍방향 통신을 필요로 하는 제품의 가격경쟁력을 상승시키는 효과를 제공하게 된다.
Patent KR-20070077824-A (KR)
Title: Construction method of precast concrete box culvert with bolt connecting structure
Inventor: DOO WOO KYUN
IPC: E02B5/02
Filed: 2006-01-25
Abstract: A method of constructing a pre-cast concrete box culvert having a bolt connection structure is provided to prevent water leakage from occurring at a joint portion by covering a waterproof sheet of the joint portion. A method of constructing a pre-cast concrete box culvert comprises the step of leveling a ground on which a first culvert(50a) is placed. The waterproof sheet, which is coated with bitumen material, is spread on a region, on which a socket of the first culvert is placed. The first culvert is mounted on the ground such that the socket is placed on the waterproof sheet. A bent bolt(40) is coupled with an insert nut(41) of the first culvert. A second culvert(50) is mounted such that the water-proof sheet is not biased while the bent connect bolt is being inserted into an insert sleeve of the second culvert. A supporter is installed between the culverts(50, 50a) to prevent the culverts from adhering to each other. A first clamp(12a), an elastic body(44) and a cover(43) of an expansion-compression device and a second clamp(12) are sequentially inserted and connected to a front end of the bent bolt through a connect nut(11). A connection space between the culverts is reinforced. A concrete form is installed at a connection portion between the culverts. Concrete is poured into the concrete form and is cured, so that a concrete joint portion is formed between the culverts. Bitumen material is coated on the concrete joint portion and a surface of the culverts around the concrete joint portion. The waterproof sheet, which is placed under the culverts, is rolled up to a surface of the bitumen material for the purpose of a waterproof.
Patent KR-20070078316-A (KR)
Title: Method for manufacturing display substrate
Inventor: CHIN HONG KEE
IPC: G02F1/136
Filed: 2006-01-26
Abstract: A manufacturing method of a display substrate is provided to prevent the excessive etching of a step portion from generating, thereby preventing the short badness from generating between a metal pattern and a pixel electrode. The first metal pattern is formed on a base substrate and includes a gate line, a storage line and a gate electrode(120) of a switching device. A gate insulating layer(130), a channel layer and a source metal layer are sequentially formed on the base substrate. The source metal layer and the channel layer are patterned so that a source line, the second metal pattern including source and drain electrode of the switching device, a channel member(142) are formed. A passivation layer(160) and a photo resist layer are formed on the second metal pattern. The photo resist layer is patterned so that the second pattern member corresponding to the gate line, source line and switching device and the second pattern member are formed. The second pattern member is formed on the storage line. The passivation layer and the gate insulation layer are etched by means of the first and second pattern members. A pixel electrode(PE) is formed by means of the first pattern member.
Patent KR-20060089150-A (KR)
Inventor: MASAHIRO FUKUDA
IPC: H01L21/304
Filed: 2006-02-02
Abstract: 본 발명은  세정장치; 도포· 현상장치에 대한 것으로서 밀폐용기(41)의 내부에 있어서 웨이퍼(W)가 버큠 척(42)에 의해 밀폐용기(41)내면과 웨이퍼(W) 사이에 작은 간격이 형성된 상태에서 수평으로 보지된다.  유체공급로(5) 단부의 유체공급구멍(40)으로부터 웨이퍼(W) 표면의 중심부를 향하여 세정액을 공급함과 동시에 웨이퍼(W)의 중심선을 중심으로 하는 원주를 따라서 밀폐용기(41)의 저부에 설치된 홈 형태의 유체배출부(44)로부터 세정액을 배출한다. 세정액은 웨이퍼(W) 표면과 밀폐 용기(41)사이의 간격을 채운 상태로 웨이퍼(W)의 중심부로부터 주변부로 향해 퍼지면서 흘러 웨이퍼에 부착한 파티클을 제거해 유체 배출부(44)로부터 배출된다. 웨이퍼(W)를 회전시키는 경우 없이 파티클을 확실하고 또한 균일하게 제거할 수가 있다. 세정 장치(4) 전체 사이즈도 작다.
Patent KR-20060089683-A (KR)
Inventor: ZAMPINI ANTHONY
IPC: G03F7/004
Filed: 2006-02-06
Abstract: 제 1 일예에서, 다른 수지의 블렌드와 함께 수지 성분을 함유한 유기 코팅 조성물, 특히 스핀-온 반사방지(antireflective) 코팅 조성물이 제공되며, 여기서 혼합물 중 적어도 하나의 수지는 발색단 그룹을 포함하며 혼합물 중 적어도 하나의 수지는 적어도 실질적으로 또는 완전하게 발색단 그룹이 없다.  추가 일예에서, 상층 포토레지스트 조성물 층을 이미지화하는데 사용된 조사선의 다른 흡광도를 가진 복수의 하층 유기 반사방지 코팅 조성물의 사용을 포함하는 시스템이 제공된다.
Patent KR-20070080291-A (KR)
Title: Method for displaying picture in an air conditioner with display device
Inventor: PARK SANG BAE
IPC: G06F3/048
Filed: 2006-02-07
Abstract: A screen display method in an air conditioner with a display unit is provided to allow users to easily recognize an operation state or predetermined information of the air conditioner by simply touching a touch screen, and to remove use of unnecessary buttons and to make the air conditioner look better by mounting the touch screen. A screen display method in an air conditioner with a display unit comprises the steps of: displaying a booting state of the air conditioner to the display unit when applying a power supply for driving the air conditioner; and displaying a main menu screen for showing function buttons for driving the air conditioner to the display unit after the booting state is completed.
Patent KR-20070080375-A (KR)
Title: Non-emissive display device
Inventor: PARK JAE HYOUNG
IPC: G09G3/20
Filed: 2006-02-07
Abstract: A non-emission type display device is provided to improve the contrast ratio without change of brightness, by controlling turning-on time and turning-off time of a light source unit through readout of an input image signal and adjusting the input image signal according to the readout result. A light source unit applies light to a plurality of pixels, wherein the light has a brightness set according to gray distribution of an input image signal. An illumination controller(650) generates a control signal having a duty ratio determined according to the gray distribution of the input image signal, and supplies the control signal to the light source unit. The illumination controller converts the input image signal into an output image signal according to the duty ratio, and supplies the output image signal to a data driving part. The data driving unit converts the output image signal into an analog data voltage according to brightness of the light source unit, and applies the analog data voltage to the pixels.
Patent KR-20070081052-A (KR)
Title: Radio telescope system using mobile device and method of the same as
Inventor: KIM JIN SIK
IPC: H04W4/02
Filed: 2006-02-09
Abstract: A system and a method for observing an astronomical body with a mobile terminal are provided easily to collect astronomical observation data by receiving astronomical electric wave through an antenna installed to each mobile terminal and composing collected astronomical electric wave data in an astronomical observation server. Each mobile terminal(100a,100b) includes a GPS(Global Positioning System) location register and the antenna for receiving the astronomical electric wave. The astronomical observation server(140) receives GPS coordinates and the astronomical electric wave data from each mobile terminal through each MSC(Mobile Switching Center)(120a,120b). The astronomical observation server includes a composer for composing the received astronomical electric wave data. An electric wave storing part(150) storing the astronomical electric wave received from the mobile terminals, an electric wave composer(160) composing the astronomical electric wave data, and an astronomical image storing part(170) storing a composed astronomical image are connected the astronomical observation server.
Patent KR-20060099400-A (KR)
Inventor: LEE IL JAE
IPC: E21B10/36
Filed: 2006-02-13
Abstract: 본 발명은 유압 피스톤이 내부에서 상,하 왕복운동하는 리테이너의 내부 마찰면사이에 상기 유압 피스톤의 재질보다 경도가 낮은 비철금속 재질의 부쉬를 리테이너 내부에 일체로 착설하여, 유압 피스톤이 리테이너와의 마찰에 따른 마모 및 긁힘발생을 미연에 방지하면서, 상기 유압 피스톤과 부쉬의 틈새를 최소한으로 형성하여 누유량을 극소화하며, 상기 리테이너의 내측 마찰면에 착설된 부쉬의 내면에 형성되는 래비린스 홈을 통하여 부쉬와 유압 피스톤 사이의 이물질을 용이하게 포집하여 유압 피스톤의 긁힘 발생을 예방할 수 있도록 함은 물론, 이에따라 유압 피스톤의 수명을 가일층 연장시키고, 저압관로 후방으로 시일부를 각각 형성하여 시일부의 파손을 방지시킬 수 있는 유압 타격기기의 피스톤 긁힘 방지장치에 관한 것이다.  
     그 기술적인 구성은, 유압 타격기기(110)의 실린더(190) 하측으로 물체를 분쇄하는 치즐(120)이 설치되고, 상기 치즐(120) 상측의 리테이너(130) 내부에는 유압 피스톤(140)이 설치되어 상기 치즐(120)을 타격하며, 상기 리테이너(130)와 유압 피스톤(140)의 마찰면 사이에는 저압관로(150) 및 시일부(160)가 각각 착설되는 한편, 상기 유압 피스톤(140)이 승하강되는 실린더(190) 내측의 리테이너(130) 내부 마찰면에는 상기 유압 피스톤의 재질보다 경도가 낮은 비철금속 재질로 구성되는 부쉬(170)가 일체로 착설되며, 상기 리테이너(130)의 내측 마찰면에 일체로 착설되는 부쉬(170)에는 마찰면 틈새에서 발생된 이물질을 포집하는 래비린스 홈 (180)이 형성되고, 상기 부쉬(170) 후방에는 저압관로(150)를 개재하여 그 후방에 시일부(160)가 적어도 1개 이상 착설되는 것을 요지로 한다. 
       
     리테이너, 유압 피스톤, 저압관로 , 부쉬, 래비린스 홈
Patent KR-20060026927-A (KR)
Inventor: CHEONG CHEOL SOO
IPC: E01C11/22
Filed: 2006-02-17
Abstract: 본 발명은 발광소자가 삽입된 버스정류장용 경계석으로 악천후 또는 야간에 버스의 안전한 정류장 진입을 유도하고 승하차 승객들에게는 안전선 역할을 한다. 
       경계석은 설치 목적상 차도와 차도 및 인도의 확실한 경계를 구분하여 각종 안전사고의 유형으로부터 예방 기능을 주요 목적으로 설치되는 인조 또는 자연석의 가공석을 통칭한다. 
       그러나 기존의 경계석은 시계 조건이 좋지 않은 눈, 비, 안개 같은 악천후나 야간에는 경계 식별이 쉽지 않으며 더욱이 미세 먼지가 많을 경우에는 도로와 경계석의 시각적 구분은 더욱 어려워진다. 
       
     따라서, 경계석의 사고예방 기능은 매우 낮아져 정차를 위해 정류장 진입을 시도하려는 버스 운전자들은 경계석 가까이 안전하게 정차하는데 대한 본능적 위험부담으로 인하여 경계석으로부터 충분한 이격 정차를 하게 되어 좌측 주행차선을 침범하여 교통 흐름을 방해하고 교통 정체를 심화시키며, 이용 승객들을 차도로 나오게 하는 원인을 제공하여 사고 위험도를 높인다. 
     본 발명은 버스정류장의 승객 승하차 구간내 도로와 승차장 경계면에 설치되는 << 버스정류장 안전 정차 및 승하차 유도 점등경계석>>에 관한 것으로 정류장 주변의 조도를 감지하는 조도센서부/ 교류전원을 직류 전원으로 변환하고 조도 신호에 따라 전원을 공급하는 전원공급부/ 경계석까지 지중으로 전원을 공급하는 절연 방수 배선부/ 정류장 승하차 구간의 경계석 상면에 도로와 평행방향으로 적색의 발광소자 및 정류장과 연결된 횡단 보도 시작지점 경계석 상면에 청색 혹은 녹색의 발광소자를 점등시키는 점등부/ 발광소자가 경계석 상면 내부에 매입되어 투광되도록 투명 폴리카보네이트(Polycarbonate)로 덧씌워 물리적 충격으로부터 안정된 구조의 경계석 조립체로 구성되며 전기적 감전사고를 방지하고 유도등의 깜빡거림(떨림)현상을 없애기 위하여 전원 공급을 직류 12 Volt 저전압으로 동작된다. 
       
     버스정류장, 버스전용중앙차로, 안전정차, 유도등, 발광소자, 도로경계석, 안전선
Patent KR-20070058286-A (KR)
Title: Embedded capacitor and method of fabricating the same
Inventor: KIM IL DOO
IPC: H01G4/018
Filed: 2006-02-24
Abstract: An embedded capacitor and a manufacturing method thereof are provided to obtain a high-dielectric constant, a low dielectric loss, and a high breakdown voltage by using an acceptor-doped BST((Ba1-xSrx)TiO3) film for the embedded capacitor. A manufacturing method of an embedded capacitor includes the steps of: forming a first electrode(120) by coating a metal on a substrate(110); forming a dielectric film(130) on the first electrode(120); and forming a second electrode(140) on the BST film; and forming a second electrode(140) after forming BST film(130) on the first electrode(120). The dielectric film(130) is an acceptor-doped BST film.
Patent KR-20070070000-A (KR)
Title: Apparatus and method for speech recognition with two-step search
Inventor: KO HAN SEOK
IPC: G10L15/28
Filed: 2006-03-06
Abstract: A speech recognition apparatus and method using two-stage search are provided to perform speech recognition at a high speed without decreasing a speech recognition rate. A speech recognition apparatus includes a fast search unit(100), an N-best candidate generator(110), and a precise search unit(130). The fast search unit performs viterbi search by using Gaussian distributions which are smaller than a predetermined number of Gaussian distributions included in a pool on an inputted speech signal to generate a plurality of candidate words. The N-best candidate generator extracts candidate words in the order of confidence measures. The precise search unit performs viterbi search by using a number of Gaussian distributions which are greater than the predetermined number of Gaussian distribution included in the pool on the extracted candidate words to output recognized words.
Patent KR-20070091431-A (KR)
Title: Magnetic encoder
Inventor: HASHIMOTO KATSUHIRO
IPC: G01D5/12
Filed: 2006-03-06
Abstract: A magnetic encoder is provided to suppress the influence of an external magnetic field against Hall element by increasing a magnetic shield area of a cover as possible. A magnetic encoder includes an encoder body(10), a Hall element, a plurality of circuits, and a power source circuit. The encoder body includes a shaft(11), a magnet(12), and a calculation processor, a substrate(15), a housing(13), a cover(18), a connector, and a support member. The magnet is attached to a front end of the shaft. The Hall element detects magnetic change according to a rotation of the magnet. The calculation processor calculates a rotation angle of the shaft according to a detection of the Hall element. The calculation processor is mounted on the substrate. The housing supports the shaft so that the magnet faces the calculation processor. The cover is inserted into the housing to coat the substrate. The connector is mounted on an opposite surface of a mounting surface of the calculation processor. The support member coats and supports a cable.
Patent KR-20070094049-A (KR)
Title: Sensor for quartz crystal microbalance system
Inventor: CHOI SUK JUNG
IPC: G01N27/20
Filed: 2006-03-16
Abstract: A sensor for a QCM(Quarts Crystal Microbalance) system is provided to easily fix a receptor molecule on a surface by easily contacting a test object in the liquid phase or vapor phase with the sensor. A sensor for a QCM(Quarts Crystal Microbalance) system includes a sensor structure(100), a housing(200), and a pair of connecting wires(300). The sensor structure is made of several layers laminating on a circular quarts crystal substrate. The sensor housing has a receiving space for the sensor structure and safely receives the sensor structure in the receiving space. A metal thin film layer is formed on each plane of the sensor structure. The connecting wires are electrically connected to the metal thin film layer and are elongated outside the sensor housing. In a self assembly monomolecular layer of the sensor structure, anyone type of groups of a carboxyl group or an amino group is mixed with a hydroxy group at a side being far from the metal thin film layer.
Patent KR-20070094228-A (KR)
Title: Apparatus and method for short message service and location registration in mobile communication system
Inventor: SEO KYUNG SUB
IPC: H04W4/02
Filed: 2006-03-17
Abstract: An apparatus and a method for providing SMS and a location registration device in a mobile communication system are provided to reduce a load of an MSC(Mobile Switching Center) according to an increase in the use of a short message. An SMSGW(Short Message Service Gateway)(350) receives a short message from an SMSC(Short Message Service Center)(355), and requests location registration information of a mobile terminal(305) from a DOHLR(Data Only Home Location Register)(345). When the SMSC receives the location registration information from the DOHLR, it transfers the location registration information to a PCF(Packet Control Function)(330) connected with the mobile terminal.