baber/WOPTO huggingface dataset:
Patent KR-20110130043-A (KR)
Inventor: I CHI YEONG
IPC: A01K80/00
Filed: 2010-05-27
Abstract: PURPOSE: A device and a method for collecting shellfishes are provided to enable fishermen to collect shellfishes in a short time. CONSTITUTION: A device for collecting shellfishes comprises: a motor which can be used by being connected to a tractor or a cultivator; a conveyer belt in which a bucket is installed; an underwater motor or a general motor which can wash only beach soil; a motor(M1) attached to the upper part of the conveyer belt; and a motor(M2) formed in a collecting net.
Patent KR-20110131990-A (KR)
Title: Drainage system on floor of flat slab type and toilet stool institution cast using the same
Inventor: CHAE HAE GWON
IPC: E03C1/122
Filed: 2010-06-01
Abstract: PURPOSE: A method for construction of an on-slab plumbing system for a flat slab and a toilet mounting frame for the system are provided to facilitate the construction of a slab form and a steel reinforced frame by being applied to a flat slab method, not a down slab method. CONSTITUTION: A method for construction of an on-slab plumbing system in a bath room, in which a toilet(12), a bath tub(14), and a basin(13) are installed on a flat slab, is as follows. A retaining wall or masonry wall of a PD room(20) is formed with retaining wall penetrating sleeves installed close to the slab. A toilet sewer pipe(15) and a floor drain are connected to retaining wall penetrating sleeves, and a floor drain device(17) and a drain pipe are connected to other retaining wall penetrating sleeves. A finishing material is placed in the bath room in order to expose the sewer pipe while burying the drain pipe. A toilet mounting frame is installed in the part where the sewer pipe is exposed or the exposed sewer pipe is buried with concrete. The toilet is installed in the toilet mounting frame and the bath tub and the basin are connected to the drain device, and the floor and walls of the bath room are finished with tiles.
Patent KR-20110135893-A (KR)
Title: Internet portal sites and how the system operates
Inventor: KIM JONG YEON
IPC: G06F17/28
Filed: 2010-06-12
Abstract: PURPOSE: A method and a system for operating an internet portal site are provided to enable a natizen to conveniently browse web document information in which netizen of various counties requires with a native language. CONSTITUTION: A basic environment management unit is composed of a web server(40) of a native language ISP(30). A service circumstance management unit and site link management unit are composed. An approval management unit and site management unit are composed. The statistics management unit is composed for the analysis of a manager. A backup management unit of a user is composed.
Patent KR-20110136245-A (KR)
Title: Dust gathering apparatus for grain drier
Inventor: PARK SUNG SOON
IPC: B01D45/14
Filed: 2010-06-14
Abstract: PURPOSE: A dust collecting apparatus for a grain drier is provided to centrifuge foreign materials contained in air introduced into an auxiliary dust collecting part and to drop the foreign materials based on the weight of the foreign materials in the auxiliary dust collecting part. CONSTITUTION: A dust collecting apparatus for a grain drier includes a dust collecting part(10) and an auxiliary dust collecting part(30). The dust collecting part includes a cyclone pipe(110) and a dust collecting tank(130). The cyclone pipe includes an introducing hole(111), a discharging hole(113), an impeller(115), a dust collecting hole, and a discharge preventive protrusion. The dust collecting tank includes an auxiliary air discharging hole(131). The auxiliary air discharging hole is arranged at the lower side of the cyclone pipe to be in connection with the dust collecting hole and stores centrifuged foreign materials from air.
Patent KR-20110137156-A (KR)
Title: Uniform resource identifier scheme related position information
Inventor: LIM SUNG WON
IPC: G06F17/00
Filed: 2010-06-16
Abstract: PURPOSE: A uniform resource identifier scheme related to position information is provided to easily and various use the position information by converting a URI scheme to the URI scheme related to the position information which can be used in the location information. CONSTITUTION: The name of a URI(Uniform Resource ID) scheme which is related to the position information is GEO. The form of the URI scheme includes the GEO, a delimiter, and at least two slashes. The address of the latitude/longitude information or an area of the fixed area, a business name, or a geographical designation is inserted after the GEO, the delimiter and at least two slashes. The address, the business name or the naming is displayed as 'GEO://address','GEO://business name', or 'GEO://geographical designation.
Patent KR-20110128710-A (KR)
Title: Apparatus and method supporting harq of ranging in wireless communication system
Inventor: SON YEONG MOON
IPC: H04L1/18
Filed: 2010-06-22
Abstract: PURPOSE: An apparatus and a method supporting HARQ of ranging in a wireless communication system are provided to minimize resource overhead due to HARQ by assigning a resource for ranging according to terminals which supports or does not support. CONSTITUTION: In an apparatus and a method supporting HARQ of ranging in a wireless communication system, a ranging code segment information showing whether it supports HARQ(Hybrid Automatic Prpeat Request) is transmitted to at least one terminal(101). It is determined whether the terminal supports the HARQ according to the kind of the ranging code(103-105). Resources are assigned to the terminal to transmit identifying information and the additionally necessary resource(107). The ranging is requested according to the reception state of a ranging request message through an assigned resource.
Patent KR-20120001286-A (KR)
Title: Polarization diversity interferometer, and microscope using this
Inventor: CHO KYU MAN
IPC: G02B21/18
Filed: 2010-06-29
Abstract: PURPOSE: A polarization diversity interferometer and a microscope using the same, which can detect polarization changing by the polarization diversity, is provided to perform the analysis about the inside structure, material, and surface of a piece by simultaneously measuring the phase and amplitude change of a signal light. CONSTITUTION: A polarization diversity interferometer comprises a light source, a beam splitter(PBS), a polarizing beam splitter and an optical detector. The beam splitter separates the light of the light source. The optical detector detects the separated light by using the multiple optical detectors. If at least one optical detector has the polarization diversity of the light reflected and transmitted from a sample, the polarized light change detector detects the polarization change.
Patent KR-20120001482-A (KR)
Title: System and method for exchanging information between teachers
Inventor: PARK KI SEOK
IPC: G06Q50/00
Filed: 2010-06-29
Abstract: PURPOSE: An information exchange support system between teachers and support method thereof are provided to improve collaboration between teachers by enabling the teachers to easily share information. CONSTITUTION: A teacher environment construction server(100) receives teacher identification information and detailed teacher information from a teacher terminal(200). The teacher environment construction server registers the information of teachers. The teachers are able to share the detailed teacher information and the connection information of the teacher each other. The teacher environment construction server supports a file sharing service and a message transmission service.
Patent KR-20110063268-A (KR)
Title: Liquid crystal display device
Inventor: CHOI SANG JOON
IPC: G02F1/1333
Filed: 2010-06-30
Abstract: PURPOSE: A liquid crystal display is provided to not only can simplify a structure but also can be favorable for sliming. CONSTITUTION: A liquid crystal display device includes a liquid crystal display module(100), an upper cover(111), an lower cover(180), a driving connection unit, a support stand, and a bracket. The upper cover has a function of an upper system case and a top case and covers the upper edge of the liquid crystal display module. The lower cover has a function of a lower system case and a bottom cover and accepts a backlight unit of the liquid crystal display module. A driving connection unit is projected from one side of the upper cover and the lower cover. The support stand supports the liquid crystal display module and is formed to the accepting groove inserted to the driving connection unit. The bracket includes a system driving unit inside and combines the support stand.
Patent KR-20100083120-A (KR)
Title: 블록리프트
Inventor: KIM DONG MUN
IPC: B66C17/24
Filed: 2010-07-02
Abstract: 본 발명은 블록리프트에 관한 것으로, 선박 건조용 블록을 들어올리는 블록리프트에 있어서, 상기 블록리프트는 프레임(10) 위에 제1, 2 수평실린더(20)(30) 및 블록승강용 실린더(40)가 설치되며, 상기 프레임(10) 하부 전, 후방에는 전, 후방바퀴(190)(200)들과 각각 연결되는 전, 후방 업다운 실린더(50)(60)가 각각 설치되며, 조작반(80)이 프레임(10) 전방에 설치되어 인입되어지는 것으로, 유압에 의해 조작반(80)의 간편한 조작으로 블록리프트를 운전하여 이동하기 때문에 운전의 편리성에 따른 작업능률 향상이 있고, 바퀴 및 유체분배기(110)를 프레임 내부에 설치함으로써 장치 파손 저하 및 안전사고 예방의 현저한 효과가 있다.
Patent KR-20120003580-A (KR)
Title: Air breather of a speed reduction driving device
Inventor: KIM TAE HYUNG
IPC: F16H57/02
Filed: 2010-07-05
Abstract: PURPOSE: The air breather of a driving apparatus for reducing a speed is provided to prevent lubrication degradation by exhausting air in a case through a breather. CONSTITUTION: A case(5) forms an external body. A plurality of gears(7) is arranged in the case. One end portion of an exhaust pipe passage device is opened in a spot in which the scattering of oil is minimally generated. The exhaust pipe passage device is extended so that the other end portion is opened to the outside of the case. An oil cup(20) is connected to the other end portion of the exhaust pipe passage device and is fixed to the outside of the case.
Patent KR-20120004569-A (KR)
Title: Apparatus and method of interface for mobile device, and recording medium for the same
Inventor: YEO WOON SEUNG
IPC: G06F3/16
Filed: 2010-07-07
Abstract: PURPOSE: A mobile device interface apparatus and method, and recording medium for the same are provided to operate the mobile device through the directionality of movement which is generated from user touch of a mobile device. CONSTITUTION: A first sensor(110) detects the movement direction of a mobile device. A second sensor(120) detects the sound. A controller(130) generates the mobile device control signal corresponding to the movement direction of the mobile apparatus. The controller generates the control signal in case sound information is detected by the second sensor. The user touch is for tapping gesture of the mobile device.
Patent KR-20120004890-A (KR)
Title: Dgnss reference station and method of estimating a user differential range error thereof
Inventor: PARK SANG HYUN
IPC: G01S19/07
Filed: 2010-07-07
Abstract: PURPOSE: A dgnss reference station and a method of estimating a user differential range error thereof are provided to improve availability by improving the reliability of a compensation data service. CONSTITUTION: The base station of a satellite radio-navigation enforcement system comprises a receiver(10), a pseudo range correction information generating part(20), a range error estimation operation unit, an atmospheric layer delay error calculation unit, and a web based error data receiving unit. The receiver receives a message signal from the satellite through an antenna and outputs original data including the pseudo range. The pseudo range correction information generating part generates pseudo range correction information from the source information. The pseudo range correction information includes atmospheric layer delay error information and a troposphere signal delay information.
Patent KR-20110005648-A (KR)
Title: Interopeable keychest
Inventor: ROBERT ARNAUD
IPC: G06F13/14
Filed: 2010-07-08
Abstract: PURPOSE: An interoperable keychest is provided to use a protected medium in various reproduction devices and enable a consumer to easily exchange a service provider. CONSTITUTION: A firstly-encoded second key to be decrypted as a first key and a key information file including contents ID confirmation are received(S710). In order to receive the second key, the firstly-encoded key is decoded(S720). The key request is received form a distributor including the information on the identification of the contents is received from the distributor(S730). In order to generate the second encoded key, the second key is encoded by using a third key(S740). The secondly-encoded key is transferred to a distributor as the response to the reception of a key request(S750).
Patent KR-20120005143-A (KR)
Inventor: AHN SANG HOON
IPC: F21V33/00
Filed: 2010-07-08
Abstract: 본 발명은 공기살균 및 원적외선 방사 기능을 갖는 엘이디 전등에 관한 것으로서, 보다 상세하게는 반원형으로 만곡지게 형성되고, 내면에는 불빛을 산광시키도록 다수의 볼록돌기가 형성된 산광부재와 상기 산광부재의 상부에 설치되며 다수의 엘이디홀더와 상기 엘이디홀더에 체결되는 엘이디로 구성된 회로기판과 상기 산광부재의 양측 단부에 설치되어 상기 회로기판에 전원이 공급되게 하는 전원커넥터로 이루어져, 수명이 길고 에너지 효율이 높으며 오염물질이 방출되지 않는 효과가 있다.
Patent KR-20120005919-A (KR)
Inventor: KWON EUN SEON
IPC: A63F3/00
Filed: 2010-07-09
Abstract: PURPOSE: A board game of penalty is provided to enjoy a game in joyful mood regardless of age or sex and to get-together with friends by doing penalty. CONSTITUTION: A board game of penalty comprises a plate(10) and a chip. Various words about penalty are written down in each section of the plate for the board game. The plate is polygonal shaped. The chip is used as penalty indicator.
Patent KR-20120006129-A (KR)
Title: 자석을 이용한 녹, 스케일 흡착 및 제거장치
Inventor: YEOM JEONG HO
IPC: B03C1/28
Filed: 2010-07-12
Abstract: 본 발명은 자화 수처리기 전단에 설치하여 배관을 통해 유입되는 녹, 스케일 등의 이물질(41,42)을 효과적으로 흡착 차단함으로써 자화 수처리기의 성능을 지속 보존시키고 유지관리에 소요되는 시간, 비용 등의 절감 효과를 가져 올 수 있는 것이 특징이다. 
이를 위하여 본 발명은 영구 자석을 이용 강력한 자력과 지속성을 발휘할 수 있도록 하였고, 자석봉의 개수와 위치를 효율적으로 배치 설계하여 이물질 차단의 사각지대를 최소화하였으며, 투시장치를 통해 효율적으로 이물질 흡착 여부를 판단하고 체결 방법으로 클램프를 사용함으로써 유지관리에 보다 간편하고 소요되는 시간을 최소화시킬 수 있다는 것에 특징이 있다.
Patent KR-20120008729-A (KR)
Title: Method for controlling hidden display of kimchi storage
Inventor: KIM JONG RUEL
IPC: F25D23/00
Filed: 2010-07-19
Abstract: PURPOSE: A method for setting the hidden display of a Kimchi storage is provided to guide the key operation of a consumer. CONSTITUTION: A method for setting the hidden display of a Kimchi storage is as follows. A power key of a specific storage room is inputted(S10). If the power key of the specific storage room is inputted, a function selection key and sub-menu of the storage room are turned on(S20). If the function selection key is inputted(S30), the power key of the specific storage room is turned on and displayed(S40).
Patent KR-20120010890-A (KR)
Title: Bottle for storing rfid tag
Inventor: KIM JONG HYUN
IPC: G06K19/07
Filed: 2010-07-27
Abstract: PURPOSE: A container for storing an RFID(radio frequency identification) tag is provided to enable users to easily install the wireless RFID tag by inserting the RFID tang into a storage space and finishing an entrance of the space with a cover member. CONSTITUTION: A container for storing an RFID(radio frequency identification) tag includes a container body(120) and a cover member(130). The container body includes a tag storage space(126) recessed toward a material storage space(122) from the outer surface of the container body. The tag storage space is for storing the wireless RFID tag(10) saving information for a material, and includes a fixing groove(128) corresponding to a protrusion(138) on the cover member. The cover member has the outer circumference fitting to the inner circumference of the tag storage space.
Patent KR-20120011145-A (KR)
Title: Apparatus for detecting contact and cleaning robot using the same
Inventor: PARK JAE HONG
IPC: B25J13/08
Filed: 2010-07-28
Abstract: PURPOSE: A contact sensing device and a cleaning robot using the same are provided to enable a cleaning robot to efficiently move by accurately recogizing a contact point. CONSTITUTION: A contact sensing device comprises an upper switch unit(110), a power line unit(120), and a lower switch unit(130). The upper switch unit forms an upper contact point(112) on the top and forms a lower contact point(113) on the bottom. When the top contact point is contacted with an object, the upper switch unit is deformed and presses the lower contact point. The power line unit is installed on the lower contact point of the upper switch unit. The power source for the contact detection is applied on the power line unit. The lower switch unit is installed on the lower part of the upper switch unit.
Patent KR-20120011166-A (KR)
Inventor: DOH SUNG HWAN
IPC: H04R1/02
Filed: 2010-07-28
Abstract: 본 발명은 외부충격에 의한 변형을 방지할 수 있는 구조를 갖는 다기능 스피커에 관한 것이다. 개시발명은, 중공의 프레임과, 상기 프레임의 전면에 결합되는 프론트 커버와, 상기 프레임의 후면에 결합되는 리어 커버와, 상기 프레임 내에 설치되고 보이스코일이 결합된 진동판, 및 상기 프레임 내에서 진동하는 진동자를 포함하는 다기능 스피커에 있어서, 상기 리어 커버는 금속재로 형성되며, 상기 프레임의 내측에 삽입 결합된다. 이와 같은 본 발명에 따른 변형 방지구조를 갖는 다기능 스피커에 의하면, 리어 커버가 금속재가 형성됨으로써 소재 강성이 증가되므로 외부 충격에 의한 부품의 변형 방지효과가 커진다. 또한, 리어 커버가 프레임의 내측에 삽입되는 구조이기 때문에 절곡된 부분의 반발력에 의해 리어 커버와 프레임의 밀착 정도가 향상되어 구조적 강성이 증가되므로 외부 충격에 의한 축방향 및 원주방향의 형상변형을 제어할 수 있게 된다.
Patent KR-20120011289-A (KR)
Title: METHOD OF MANUFACTURING 500MPa GRADE FOR LPG TYPE STEEL SHEET
Inventor: KIM KYU TAE
IPC: C22C38/12
Filed: 2010-07-28
Abstract: PURPOSE: A method of manufacturing high strength steel for LPG of a level of 500MPa and high strength steel are provided to compensate for a decrease in strength due to post processing by introducing enhancement of strength due to deformation reinforcing and precipitation reinforcing by adding Mo to Ni steel. CONSTITUTION: A method of manufacturing high strength steel for LPG of a level of 500MPa comprises next steps. Steel is re-heated(S100). The re-heated steel is hot rolled(S200). The hot rolled steel is normalized(S300). The normalized steel is air-cooled(S400). The steel consists of C 0.08~0.15 weight%, Si of 0.2~0.3 weight%, Mn of 0.5~1.2 wwight%, P of 0.01~0.02 weight%, S of 0.004~0.006 weight%, Ti of 0.01 weight% or less, Mo of 0.05~0.1 weight%, Ni of 3.0~5.0 weight%, Fe and other inevitable impurities. The re-heating of the steel is practiced at a temperature of 1100~1200°C. The normalizing of the steel is practiced at a temperature of 840~880°C.
Patent KR-20120006423-A (KR)
Title: Mascara brush
Inventor: MASUYAMA IWAO
IPC: A45D34/04
Filed: 2010-07-29
Abstract: PURPOSE: A mascara brush is provided to spread the coating solution by tip of a hair substrate of brush and to wash with much washing solutions. CONSTITUTION: A mascara brush comprises a hair substrate of brush(5), a brush part(4), and a space part(7). A plurality of the hair substrate of brush is radial shape. The brush part forms the bunch type through the mandrel direction. Tip of the hair substrate of brush forms needle type.
Patent KR-20100092417-A (KR)
Title: 곡물제분기
Inventor: KANG DU SUK
IPC: B02C4/24
Filed: 2010-07-30
Abstract: 본 발명은 곡물제분기에 관한 것으로, 더욱 상세하게는 곡물제분기를 분리하지 않고도 배출차단판과 분쇄로울러의 사이에 끼이는 곡물가루를 손쉽게 청소할 수 있으며, 이에 따라 분쇄작업 후 항상 청결한 상태를 유지할 수 있는 곡물제분기에 관한 것이다. 
본 발명은 호퍼로부터 공급되는 곡물을 분쇄하는 분쇄로울러와, 상기 분쇄로울러의 양측에 분쇄된 곡물의 외부배출을 차단하도록 구비되는 배출차단판을 포함하는 곡물제분기에 있어서,  상기 배출차단판(25)의 양측면에는 상기 분쇄로울러(20)로 물의 분사시키도록 다수개의 분사공(27)이 형성되고,  상기 배출차단판(25)의 내부에는 상기 분사공(27)에 연통되게 형성되어 외부호스(31)로부터 공급받은 물을 상기 분사공(27)으로 이동시키도록 물이동로(30)가 형성되는 것을 특징으로 한다.
Patent KR-20120012894-A (KR)
Inventor: SEO TAE WON
IPC: H01L33/64
Filed: 2010-08-03
Abstract: 실시예에 따른 발광 소자 패키지는 몸체; 상기 몸체 위에 형성되는 캐비티; 상기 캐비티의 바닥면에 형성되는 방열부, 상기 방열부의 측면에 배치되고 복수의 제1 및 제2 리드 프레임을 포함하는 리드 프레임; 및 상기 방열부 위에 형성되는 발광 소자;를 포함하고, 상기 복수의 제1 및 제2 리드 프레임은 상기 방열부를 기준으로 대칭 구조를 갖도록 형성된다.
Patent KR-20120022086-A (KR)
Title: Apparatus for stimulating epiphyseal plate
Inventor: TERRY YI
IPC: A61H23/04
Filed: 2010-08-25
Abstract: PURPOSE: A growth plate stimulating device is provided to remove a negative effect to the human body and to improve cost efficiency. CONSTITUTION: A growth plate stimulating device comprises: an upper expansion unit(11) covering the top of the knee joint; a lower expansion unit(12) covering the lower part of the joint; and a gas input and output controller(13) which controls the injection or exhaustion of gas in the upper expansion unit and lower expansion unit. The gas input and output controller includes a gas pressure measurement part, a pressure range deviation determining unit, and a gas injection/exhaustion unit. The gas pressure measurement part the pressure of expansion units in real time.
Patent KR-20120024319-A (KR)
Title: Cooling device for notebook computer
Inventor: CHOI KWANG
IPC: H05K7/20
Filed: 2010-09-06
Abstract: PURPOSE: A laptop computer radiator is provided to smoothly radiate heat which is generated from a laptop computer and to conveniently use a laptop computer. CONSTITUTION: A laptop computer is place on a heat plate(20). One or more supporting members(30) are included on the heat plate. One or more supporting members are combined in one side of the heat plate. One or more supporting members are given to the heat plate.
Patent KR-20120028716-A (KR)
Title: Method for manufacturing unrefined rice wine using alkali ion water and the unrefined rice wine thereby
Inventor: CHO KYU DAI
IPC: C12R1/69
Filed: 2010-09-15
Abstract: PURPOSE: A method for manufacturing rice makkoli using alkali ion water is provided to ensure excellent taste and flavor and to enable long-term storage. CONSTITUTION: A method for manufacturing rice makkoli using alkali ion water comprises: a step of dipping nuruk in alkali ion water to prepare crude liquor(S20); a step of adding a small amount of enzyme to white rice of wet state and decomposing at predetermined temperature for predetermined time(S30); a step of steaming the white rice at high temperature and high pressure for 20-30 minutes to prepare hard-boiled rice(S40); a step of dipping the hard-boiled rice and mixing water; a step of fermenting liquor for predetermined period(S50); and a step of filtering and maturing again(S60).
Patent KR-20120038292-A (KR)
Title: Apparatus for preventing slipping of vehicle and equipment for installing and removing thereof
Inventor: PARK JUNG JOON
IPC: B60C27/14
Filed: 2010-10-13
Abstract: PURPOSE: An anti-slipping apparatus for a vehicle and an attaching/detaching device thereof are provided to enable users to easily attach and detach the apparatus to tires. CONSTITUTION: An anti-slipping apparatus(10) for a vehicle includes a road orbit(20), a wheel orbit(30), plates(11, 16), and a mount(40). The road orbit includes a bearing(19) rotating around a shaft, and a road surface pad with an embossed carving pattern for improving frictional force. The wheel orbit is located in between wheels and the road orbit, and transfers the torque of the wheels to the road orbit. The plates are located on both sides of the wheel unit and the road orbit for fixing the shaft. The mount is located on one upper side of the plates.
Patent KR-20120039267-A (KR)
Inventor: CHOI YEON SOON
IPC: H01H50/38
Filed: 2010-10-15
Abstract: 전자 개폐장치에 있어서, 고정접점과 가동접점의 표면 형상을 변화시켜 두 접점의 접촉 또는 분리시 발생하는 소음의 감소 및 아크를 소호하는 기술이 제공된다.  전자 개폐장치는 고정접점과, 고정접점에 대해 접촉 또는 분리되는 가동접점과, 가동접점을 이동시켜 고정접점과 접촉 또는 분리시키는 이동부를 포함하며, 고정접점 또는 가동접점 중 적어도 하나의 접촉면에는 소정의 요철 패턴이 형성될 수 있다.
Patent KR-20120040592-A (KR)
Title: Method and apparatus for processing image of the preceding vehicles, and control apparatus for a vehicle using the method
Inventor: LEE SANG HEON
IPC: G06T7/00
Filed: 2010-10-19
Abstract: PURPOSE: An image processing method for a preceding vehicle, a device thereof, and a control device for vehicles thereof are provided to quickly respond to a change of the surroundings around a driving vehicle, thereby promoting the convenience and safety of a driver. CONSTITUTION: A binarization unit(220) binarizes an image. A labeling unit(230) generates a round outline for two lights from the image. The labeling unit generates two quadrangle labels including each of the round outlines. A direction determining unit(240) calculates an aspect ratio for at least one label from the quadrangle labels. The direction determining unit determines the direction of a preceding vehicle considering whether the aspect ratio exceeds a threshold value.