baber/WOPTO huggingface dataset:
Patent KR-20090021629-A (KR)
Title: Inkjet printhead and method of manufacturing the same
Inventor: PARK SUNG JOON
IPC: B41J2/015
Filed: 2007-08-27
Abstract: An inkjet print head and a manufacturing method thereof are provided to reduce volume reduction of a chamber layer and a nozzle layer due to a thermal curing process by forming the chamber layer or the nozzle layer with imide silicone resin. An inkjet print head comprises: a substrate(110) in which a plurality of heaters(114) for heating up ink and generating bubbles is formed; a chamber layer(120) which is laminated on the top of the substrate, and in which a plurality of ink chambers(122) are formed; and a nozzle layer(130) which is laminated on the chamber layer and in which a plurality of nozzles(132) are formed. One of the chamber layer and the nozzle layer at least is made of imide silicone resin.
Patent KR-20090022017-A (KR)
Title: Method for recognizing and managing collision of vehicles
Inventor: HONG YOU SIK
IPC: G08G1/16
Filed: 2007-08-29
Abstract: A method for recognizing and managing collision of vehicles is provided to settle a dispute by determining an attaching vehicle and a damaged vehicle by automatically recognizing a vehicle collision situation. Vehicle identification information and a receiving time of the vehicle identification information are stored by receiving the vehicle identification information of peripheral vehicles(S110). The collision time and the vehicle identification information of the other vehicle with the collision position are stored in each vehicle sensing the collision(S120). The collision recognition time that is difference between the receiving time of the other vehicle and the collision time is calculated(S130). The vehicle with a long collision recognition time is determined to the damaged vehicle(S140). The detail information of the other vehicle or/and one's own vehicle is received in each vehicle(S150). The predetermined information with the collision information is displayed in a display device(S160).
Patent KR-20080021564-A (KR)
Title: Defect inspection method and defect inspection device for electroluminescence display device, and manufacturing method for electroluminescence display device using the same
Inventor: OGAWA TAKASHI
IPC: H05B33/10
Filed: 2007-09-03
Abstract: A defect inspection method and a defect inspection device for an electroluminescence display device, and a method for manufacturing the electroluminescence display device using the same are provided to a dead spot defect caused due to the short of the EL display device by measuring a current value of a cathode of the EL display device. A defect inspection device(200) of an electroluminescence display device includes a power generating unit, an inspection signal generating unit, a current detecting unit, and a defect determining unit. The power generating unit generates power supplied to pixels at the time of inspecting a defect. The inspection signal generating unit generates an inspection timing signal and an inspection on display signal. The current detecting unit detects a cathode current of the electroluminescence display device. A device driving transistor of each pixel is actuated in a linear area of the transistor by the power and the timing signal. The current detecting unit detects the cathode current of the electroluminescence display device operating according to the inspection on display signal.
Patent KR-20090024365-A (KR)
Title: System and method for providing unmanned call service
Inventor: PARK MIN HUI
IPC: G06Q50/30
Filed: 2007-09-04
Abstract: A system and a method for providing a unmanned call service are provided to enable real time communication between a call service server and a vehicle terminal when receiving a call request from a customer, thereby immediately providing a unmanned call service of the customer. If a call request is received from a customer, an automatic response server receives call request information of the customer and transfers the call request information to a call server(220). Call request information can include call request place information, request time, a customer name, a contact point and a call number. The call server comprises a call controller(222), a message transfer unit(224), a database unit(226) and an information update unit(228). The information update unit receives location information, tolerance or riding information from the vehicle terminal to update information stored in the database unit.
Patent KR-20090027389-A (KR)
Inventor: JEONG HO IL
IPC: B60G17/015
Filed: 2007-09-12
Abstract: A continuous damping controller is provided to prevent the degradation of riding comfort even in case the road is uneven, while considering the handling property. A continuous damping controller comprises two degree-of-freedom modeling part(20) calculating a current saturation value, a current calculation part(22) calculating a first output current according to wheel acceleration, a look-up table(24) in which a second output current according to the signal from a vehicle speed sensor is stored, a first current selection part(26) selecting the current for steering stability, a fuzzy control part(30) calculating a third output current according to the signal from a vehicle body acceleration sensor and a vehicle wheel acceleration sensor, a second current selection part(34) selecting the current for riding comfort, and a mode selection part receiving the current from the first and the second current selection part and selecting a mode according to inputted current.
Patent KR-20090038231-A (KR)
Title: Apparatus for operating mold
Inventor: LEE KEE SOO
IPC: B21F35/00
Filed: 2007-10-15
Abstract: A mold actuator of an elastic body manufacturing apparatus is provided to make a desired shape of elastic body easily by stably progressing power transmission system for driving a mold. An elastic body manufacturing apparatus includes a material feeding unit, a sun gear, a pinion gear, a mold, and a mold actuator. The mold actuator comprises a cam combined in the front of the pinion gear via a cam shaft, a sliding member(520) which is combined between the pinion gear and the cam and drives the mold by the rotation of the cam, and a pressure block(540) which is combined on one side of the sliding member and pressurized as the cam rotates.
Patent KR-20090041283-A (KR)
Title: Injection mold with conformal cooling channel for manufacturing plastic fans
Inventor: PARK HWA SEOK
IPC: B29C45/73
Filed: 2007-10-23
Abstract: An injection mold for molding a fan having a shape-adaptive cooling channel is provided to control the rotation unbalance while the fan rotating. An injection mold(10) comprises: a fan(3) made of a hub(5) and a plurality of blades(7) formed in the outer circumference of the hub; a low die(30) having a first cavity(41) for molding the hub and a second cavity(45) for molding the blade; a cooling channel which is adjacent to the first and the second cavity; and a molding unit(37) formed with the high speed metal molding method.
Patent KR-20090041619-A (KR)
Title: Entrance and exit control system
Inventor: CHOI CHEOL HO
IPC: G06K19/07
Filed: 2007-10-24
Abstract: An entrance and exist control system is provided to improve the security through a multi-stage entry process. A database(30) stores personal information about an entrance-available person, bloodstream information, face image information and an instinct number consisting of encryption codes. A comparison unit(20) compares the personal information, bloodstream information, face image information and an instinct number, transmitted from a data Input unit with the information stored in the database. According to a comparison result transmitted from the comparison unit, a controller(40) opens/closes a door.
Patent KR-20090041676-A (KR)
Inventor: PARK KYUNG HO
IPC: A23B7/10
Filed: 2007-10-24
Abstract: 본 발명은 전면이 개방된 제1아웃케이스에 프론트 케이스인 제2아웃케이스를 가조립한 상태에서 이송이나 운반 중 프론트 케이스의 전방으로의 이탈을 방지하는 저장고용 아웃케이스에 관한 것이다.
Patent KR-20080082888-A (KR)
Title: Method of allocating radio resource in mobile telecommunication system
Inventor: KIM JAE HEUNG
IPC: H04B7/26
Filed: 2007-10-25
Abstract: A radio resource allocation method in a mobile communication system is provided to recover radio resources temporarily if a transmission packet does not exist, so that the recovered resources can be newly allocated to another mobile terminal, thereby efficiently operating resource allocation, recovery, and reallocation according to existence of the packet. If a downlink packet does not exist for the first mobile terminal assigned with downlink radio resources, the assigned radio resources are recovered and assigned to the second mobile terminal. It is continuously confirmed whether a new downlink packet exists for the first mobile terminal whose radio resources are recovered. If so, the radio resources assigned to the second terminal are recovered and reassigned to the first terminal.
Patent KR-20090043055-A (KR)
Inventor: BAEK JEONG SEON
IPC: H02G1/08
Filed: 2007-10-29
Abstract: 본 발명은 지중관로용 케이블 인입 장치 및 인출 장치에 관한 것으로 보다 상세하게는 인입 인출시 케이블 외피의 손상을 방지하도록 안내하며, 인출된 케이블을 분리하여 권취함으로써 재사용할 수 있도록 하는 지중관로용 케이블 인입 및 인출 장치에 관한 것이다. 
     본 발명은 3개의 케이블이 각각 권취되어 있는 케이블 수납부; 상기 3개의 케이블을 풀링 그립으로 감싸는 케이블 집진부; 상기 케이블 집진부와 지중 관로를 연결하며, 풀링 그립이 씌워진 케이블을 지중 관로로 안내하는 제 1 케이블 유도부; 케이블을 잡아당기는 장력을 제공하는 케이블 풀링부; 및 상기 케이블 풀링부와 지중 관로를 연결하는 제 2 케이블 유도부를 포함하는 지중관로용 케이블 인입장치를 제공한다. 
       
     지중관로, 케이블 인입 장치, 케이블 인출 장치
Patent KR-20090044123-A (KR)
Inventor: KIM HYUN JIN
IPC: G07F19/00
Filed: 2007-10-31
Abstract: 본 발명은 금융자동화기기의 키입력부 및 그 온도 제어방법에 관한 것으로서, 보다 상세하게는 지극히 낮은 온도에서도 금융자동화기기를 안정적으로 동작하게 할 수 있는 금융자동화기기의 키입력부 및 그 온도 제어방법에 관한 것이다.  
     본 발명에 따른 금융자동화기기의 키입력부는,사용자로부터 각종 정보를 입력받는 키패드와; 상기 키패드로 입력되는 정보를 인식하여 동작을 제어하는 키패드보드와; 상기 키패드와 상기 키패드보드 사이에 구비되어 상기 키패드보드 주변의 온도를 측정하는 온도센서와; 상기 키패드보드에 인접하게 구비되는 발열수단; 및 상기 온도센서와 상기 키패드 사이에 구비되어 상기 온도센서에서 측정된 온도와 기 저장된 표준 온도를 비교하여 상기 발열수단을 동작시키는 비상제어부;를 포함하여 구성되는 것을 특징으로 한다.  
       
     금융자동화기기, 극한(極寒), 혹한기, 발열수단
Patent KR-20090044554-A (KR)
Inventor: BAE JAE JUN
IPC: H01L27/108
Filed: 2007-10-31
Abstract: 본 발명은 반도체 소자의 형성 방법에 관한 것으로, 실린더 타입의 하부 전극을 리닝(Leaning) 현상을 방지하기 위해 하부 전극 영역 내부에 질화막을 추가로 형성함으로써, BOE(Buffered Oxide Etching) 용액으로 희생절연막을 제거하는 딥 아웃(Dip Out)공정 시 발생하는 하부 전극 리닝(Leaning)을 방지하여 반도체 소자의 특성을 향상시키는 기술을 개시한다.
Patent KR-20090049673-A (KR)
Inventor: KONG SUK KU
IPC: B62D65/00
Filed: 2007-11-14
Abstract: 본 발명은 엘피아이(LPI) 차량의 택시사양 옵션 전환방법에 관한 것으로서, 더욱 상세하게는 택시에만 장착되는 미터기의 장착 여부가 판단되면 택시 전용의 백업 로직으로 옵션을 자동으로 전환하는 방법에 관한 것이다. 
     본 발명에 따른 LPI 차량의 택시사양 옵션 전환방법은, LPI 차량의 BCM에 장애인 운전차량 또는 렌터카 사양을 위한 디폴트(Default) 로직 영역과, 택시 사양을 위한 백업 로직 영역을 구분하여 저장하되, 
     상기 BCM에서 미터기 장착 여부를 감지하여 미터기가 장착되어 있지 않은 경우에는 최초 출고 상태의 디폴트 로직을 수행하고, 미터기가 장착되어 있는 경우에는 디폴트 로직에서 백업 로직으로 전환하여 백업 로직을 수행하는 것을 특징으로 한다. 
       
     LPI 차량, 택시 사양, 백업 로직, 미터기, 오토 도어록
Patent KR-20080031142-A (KR)
Title: Case for ashes box
Inventor: AN SEONG MIN
IPC: A61G17/08
Filed: 2007-11-14
Abstract: A case for a funerary urn is provided to protect the funerary urn received inside by controlling humidity and preventing decay. A case for a funerary urn comprises a body(1) and a lid(2). The body has an opening. The lid covers the opening of the body. The body and the lid are made of a mixture including 25 to 35 wt.% unsaturated polyester, 40 to 50 wt.% yellow earth powers, 5 to 15 wt.% calcium carbonate, and 5 to 15 wt.% onyx powders.
Patent KR-20090063282-A (KR)
Title: 전력을 내 발로 공급하는 싸이클
Inventor: CHOI TAE YANG
IPC: A63B22/06
Filed: 2007-12-14
Abstract: 본 발명은 TV전력을 내 발로 공급하는 싸이클로서, 보다 상세하게는 싸이클에 장착된 소형 LCD에 공급하는 전력을 페달을 구른 운동에너지를 소형발전기를 이용하여 전기에너지로 변환하여 공급하는 것에 관한 것이다.     
     
       싸이클, 소형 LCD, 소형 발전기, 자체 전력 공급
Patent KR-20080007420-A (KR)
Title: Flour korean hot pepper paste
Inventor: YANG GEE CHEOL
IPC: A23L11/00
Filed: 2007-12-14
Abstract: A powder gochujang (Korean hot pepper paste), and a method for preparing the powder doenjang are provided to improve the convenience of use and maintenance and storage stability, to maximize the period of circulation and to reduce the specific smell of gochujang. A powder gochujang is prepared by drying paste type gochujang; and putting the dried gochujang into a mechanical mill and milling it. Also the powder gochujang is prepared by drying paste type gochujang; and by putting the dried gochujang into a pulverizer and pulverizing it finely. Preferably the powder gochujang is vacuum packaged.
Patent KR-20090063573-A (KR)
Title: Apparatus for aiming head lamp using led
Inventor: CHOI SUNG UK
IPC: B60Q1/06
Filed: 2007-12-14
Abstract: An aiming apparatus of a light emitting diode headlamp is provided to enhance durability, stability, and steering ability of a headlamp by controlling a position of a pivot of a mounting module in which a light emitting diode is mounted. An aiming apparatus of a light emitting diode headlamp includes a top aiming part, a bottom aiming part, a left aiming part, a right aiming part, and a pivot part. The top aiming part and the bottom aiming part(300) are formed in a rear surface of a mounting module(100), and are connected to a headlamp housing. The left aiming part and the right aiming part(500) are formed in a rear surface of the mounting module, and are connected to the headlamp housing. The pivot part(700) supports the mounting module, is formed in a bottom surface of the mounting module in order to provide a center of aiming, and is connected to the headlamp housing.
Patent KR-20090065696-A (KR)
Title: System and method for transforming grd file to geomania gcd file
Inventor: KIM KYUNG TAK
IPC: G06Q50/10
Filed: 2007-12-18
Abstract: A system and a method thereof for converting a GRD file into a GEO mania GCD file in order to cut down the spatial data construction cost and time are provided to extracts the cell value of the columns and rows having within the lattice part of the GRD file and convert the GRD file into DCD file. A memory(8) stores a second file. An operation processing unit(6) receives a first file name, a second file name and a control command from an input unit(2). The operation processing unit analyzes the control command. A header part of the first file is extracted according as the operation processing unit is the control command. The operation processing unit determines the file translation availability by using X and Y direction lattice dimensions information [X and Y direction grating size information] of the first file. By using the extracted header part information, it converts the first file into the second file and the operation processing unit stores in the memory.
Patent KR-20090066171-A (KR)
Title: Method and apparatus for managing internet portal site
Inventor: LEE KWANG HEE
IPC: G06Q40/04
Filed: 2007-12-18
Abstract: A method and an apparatus for managing an internet portal site are provided to make members to be stockholders of a site and enable members to share profits of the site according to a site participation rate. An action index calculating unit(260) assigns a pre-defined action index about an action that a member performs in a portal site. The action index calculating unit updates an action index of a member by adding an action index to the sum of an existing action index of a user. A quota calculating unit(270) calculates a quota about a portal site of each member according to an action index rate of each member about action indexes of all members. If a profit calculation period is reached, the quota calculating unit distributes profits, which is generated according to the operation of the portal site, based on a quota rate of each member.
Patent KR-20090070480-A (KR)
Title: Pinch roll stand
Inventor: EUM GI CHUL
IPC: B21B39/08
Filed: 2007-12-27
Abstract: A pinch roll apparatus is provided to prevent winding failure and reduce the cost for post-process by minimizing deformation and displacement of the upper choke roll. A pinch roll apparatus comprises an upper roll choke including a body portion(110) supporting an upper pinch roll(101), a blade portion(120) protruded outer than the body portion, a driving part moving the upper roll choke up and down, and a frame(300) in which first and second contact surfaces are formed. The first and second contact surfaces of the frame make contact with the side of the body portion and the side of the blade portion, respectively. The driving part comprises a balance cylinder(240) which is installed on the blade contact surface of the frame beneath the bottom of the blade portion and supports the upper roll choke upward when contacting with the bottom of the blade portion.
Patent KR-20090070741-A (KR)
Title: Method for manufacturing cmos image sensor
Inventor: LEE SANG GI
IPC: H01L27/146
Filed: 2007-12-27
Abstract: A method for manufacturing a CMOS image sensor is provided to reduce a leakage current by preventing junction between an n type plug and a p type well by controlling a size of a mask pattern. A first photo diode(20) is formed in a semiconductor substrate(10). An epitaxial layer(30) is formed on a semiconductor substrate including the first photo diode. A first ion is implanted to a plug region by using a first mask pattern to form the plug connected to the first photo diode. A second ion is implanted to a well diffusion region by using a second mask pattern to form the well for isolating a side device in the epitaxial layer. The second photo diode is formed in the epitaxial layer. The n type ion is implanted to the semiconductor substrate by using the mask pattern formed on the semiconductor substrate.
Patent KR-20090072316-A (KR)
Title: A sensor tone managing method for guided missiles using audio band signal analysis
Inventor: NA WON KYU
IPC: H04B1/04
Filed: 2007-12-28
Abstract: A sensor tone managing method for guided missiles using audio band signal analysis is provided to automatically determine that the missile senses the target through algorithm, thereby improving determination reliability. A sensor tone managing method for guided missiles using audio band signal analysis comprises a step(S01) of receiving an analog sensor signal from a missile sensor of a missile, a step(S03) of digitizing the signal through A/D(Analog To Digital) converter and digitizer, an analysis step(S04) including a first analysis step for performing signal strength detection(S11) and signal strength variation detection successively(S12), and a second step for performing signal FFT(Fast Fourier Transform) analysis(S21), peak-valley strength ratio and frequency interval analysis(S22), and frequency band parameter fluctuation detection(S23) successively or at the same time, a step(S05) of determining whether the analyzed result satisfies two kinds of conditions at the same time, and a step(S06) of determining that the missile sensor has sensed the target.
Patent KR-20090073429-A (KR)
Title: A cooling system of railcar and method for cooling thereof
Inventor: PARK SUN KYU
IPC: B61D27/00
Filed: 2007-12-31
Abstract: An air conditioner for a motor car and a cooling method thereof are provided to maintain indoor temperature of the vehicle optimally because output of the air conditioner unit is maintained at the current state. An air conditioner for a motor car comprises an air conditioner unit(10) which comprises an evaporator(16) for supplying cool air to the inside of a vehicle through a feed duct(OD) connected to the inside of the vehicle, a temperature measurement unit(20) which is installed in the optimal position of the outdoor of the vehicle and comprises a third thermal sensor(26) for detecting the external temperature, and a control unit(30) comprising an inverter unit(36) for controlling the compressor and a digital and analog input/output control unit(38).
Patent KR-20070031419-A (KR)
IPC: H04B7/24
Filed: 2005-07-27
Abstract: 본 발명은 하나 또는 그 이상의 데이터 심벌들이 송신기로부터 점-대-다중점 송신 세션 내의 하나 또는 그 이상의 수신기로 송신되고, 상기 데이터 심벌들에는 소정 파일 전송 프로토콜에 따르는 제1-타입 헤더 헤더가 제공되며, 하나 또는 그 이상의 보수 데이터 심벌들이 보수 서버로부터 점-대-점 보수 세션 내의 수신기들 중 하나의 특정 수신기로 송신되고, 상기 보수 데이터 심벌들에는 상기 동일한 파일 전송 프로토콜을 적어도 부분적으로 따르는 하나 또는 그 이상의 제2-타입 헤더가 제공되는 방법, 시스템, 송신기, 망 요소, 수신기 및 데이터 심벌의 송신을 위한 시스템 내의 소프트웨어 어플리케이션에 관련된다.
Patent KR-20070032039-A (KR)
IPC: G11B20/12
Filed: 2005-06-22
Abstract: 대응하는 물리 어드레스들에 위치한 1회 기록형 기록매체 상의 논리 어드레스들에 정보의 블록들을 기록하는 장치가 제공된다. 논리 어드레스들은 어드레스 지정수단(31)에 의해 물리 어드레스들로 변환된다. 할당수단(32)은 사용자 영역에 대한 연속적인 어드레스 지정 공간을 정의하고, 이것들에 사용자 영역 어드레스 범위의 부분들을 할당함으로써 정보를 순차적으로 기록하기 위한 전방 영역, 중간 영역 및 후방 영역으로 이 공간을 분할한다. 장치는, 후방 영역 또는 전방 영역에 더 이상의 데이터를 저장할 수 없을 때, 중간 영역을 새로운 영역들로 분할하는 재할당수단(33)을 구비한다. 
       
     기록매체, 물리 어드레스, 사용자 영역 어드레스 범위, 영역 분할, 영역 재할당
Patent KR-20070031430-A (KR)
IPC: A23L2/38
Filed: 2005-07-05
Abstract: 본 발명은, 차에 기원하는 플라반-3-올의 2 량체를 함유하는 리파아제 저해제 및 그 저해제를 첨가한 음식료, 의약품을 제공한다.     보다 구체적으로는, 본 발명은 다음 식 : 
     
       
     
     (식 중, G 는 갈로일기이다) 
     로 표시되는 아싸미카인류, 다음 식 : 
     
       
     
     (식 중, R 1  은 G 또는 H 이고, R 2     는 G 이다) 
     로 표시되는 테아시넨신류 및 다음 식 : 
     
       
     
     (식 중, R 1  및 R 2  는 각각 독립적으로 G 또는 H 이다) 
     로 표시되는 테아플라빈류의 적어도 1 종을 함유하는 리파아제 저해제, 및 그 저해제를 첨가한 음식료, 의약품이다. 
       
     테아플라빈, 리파아제 저해제.
Patent KR-20070091264-A (KR)
Title: Highly resistant, stainless, austenitic steel
Inventor: BERNS HANS
IPC: C22C38/18
Filed: 2005-08-18
Abstract: A stainless, austenitic steel having a high resistance can be produced by combined alloying a CrMnMo steel with carbon and nitrogen. According to the invention, said alloy contains (in mass %) 16 to 21 Cr, 16 to 21 Mn, 0,5 to 2 Mo, 0,8 to 1,1 C+N, for a C/N-ratio of 0,5 to 1,1. The steel is molten and is suitable for uses wherein one or more of the following characteristics are required: mechanical resistance, ductility, resistance to corrosion, resistance to wear and tear, non-magnetic.
Patent KR-20070083685-A (KR)
Title: Forwarding of device absence information in system with a dynamically changing set of devices
Inventor: GRAS BENJAMIN J
IPC: G06F15/16
Filed: 2005-10-14
Abstract: A suspension member for connecting a vehicle body and a suspension device that comprises a pair of side members that extend in the longitudinal direction of the vehicle body and are located symmetrically relative to the center in the transverse direction of the vehicle body, and cross members interconnecting the pair of side members and extending in the transverse direction of the vehicle body. The suspension member is formed by press molding only after flat plate-like side members and cross members are welded in butt joints.
Patent KR-20070065415-A (KR)
Title: El display, el display driving circuit and image display
Inventor: TSUGE HITOSHI
IPC: G09G3/32
Filed: 2002-09-06
Abstract: An EL display comprising EL light emitting elements, a current drive device for driving the EL light emitting elements with a current corresponding to a source signal represented by a current, and a signal current source (634) outputting the source signal through a source signal line to the current drive device depending on a video signal. The EL display further comprises a precharge voltage source (631) outputting a specified voltage, and switching/connecting means (636, 637) which can connect the signal current source (634) or the precharge voltage source (631) with a source signal line (638) while switching.
Patent KR-20070057270-A (KR)
Title: Balance saw filter
Inventor: TAKAMINE YUICHI
IPC: H03H9/25
Filed: 2005-10-12
Abstract: An SAW filter having a balance-unbalance conversion function and capable of lessening the influence on an electric signal at the balance terminal by the direct wave from the wiring line. A balance SAW filter (1) is so constituted that a third IDT (13) of a first SAW filter section (3) and an eighth IDT (18) of a second SAW filter section (4) have first and second divided IDT parts (13a, 13b, 18a, 18b), a first IDT (11) of the first SAW filter section (3), the first divided IDT part (13a), the second divided IDT part (13b), and a fifth IDT (15) are connected to a sixth IDT (16) of the second SAW filter section (4), the first divided IDT part (18a), the second divided IDT part (18b), and a tenth divided IDT part (20) through first to fourth wiring lines (31 to 34), and the phase of the electric signal transmitted through the first and third wiring lines (31, 33) is different by 180 degrees from that of the electric signal transmitted through the second and fourth wiring lines (32, 34).