baber/WOPTO huggingface dataset:
Patent KR-20120115537-A (KR)
Inventor: KOJIMA RYO
IPC: G01N33/536
Filed: 2011-02-07
Abstract: Ku86 의 즉시형과민 항체 및 Ku86 의 자가항체와 결합할 수 있는 물질이 대상체에서 Ku86 와 이의 자가항체와의 복합체 상에서 작용한다.     상술된 복합체, 즉시형과민 항체, 및 Ku86 의 자가항체와 결합할 수 있는 물질의 수득된 면역 복합체를 측정함으로써 상기 복합체를 측정할 수 있다.     그 결과, 암이 원발성 간세포암, 결장암, 위암, 췌장암, 유방암, 폐암 또는 식도암인지 여부 판정이 가능하다.
Patent KR-20120097422-A (KR)
Inventor: LIPPETT MARK DAVID
IPC: G06F11/36
Filed: 2005-09-13
Abstract: 스레드들을 처리하는 상호접속된 다수의 프로세서 부재를 포함하는 멀티코어 프로세서 아키텍쳐내에서 스레드 실행을 모니터링하는 방법으로서, 스레드 또는 스레드들의 함수 및/또는 식별 및/또는 실행과 관련된 하나 이상의 파라미터들을 나타내는 다수의 스레드 파라미터 인디케이터들을 수신하는 단계; 상기 스레드 파라미터 인디케이터들중 적어도 하나를 제 1 다수의 예정된 기준(criteria) - 상기 기준들 각각은 관심 인디케이터를 나타냄- 과 비교하는 단계; 상기 비교 결과에 따라 관심있는 것으로 식별되는 스레드 파라미터 인디케이터들에 대한 결과의 출력을 생성하는 단계를 포함하는, 모니터링 방법이 제공된다.
Patent KR-20130032297-A (KR)
Inventor: SABETI SAIED
IPC: A61F5/44
Filed: 2011-02-01
Abstract: 장루 장치(1)는 사용시 누공(S) 부위 근처에서 사람 몸의 내부에 위치되는 임플란트(10)를 갖는다.  배출 장치(20)가 사용시 장 배설물이 사람 몸 밖으로 나가게 해주는 수단을 제공하기 위해 설치된다.   또한, 사용시 임플란트(10)와 작동 관련되고 배출 장치(20)를 누공(S) 부위에 제거가능하게 유지시키는 수단이 있다.  배출 장치(20)는 임플란트(10)와 배출 장치(20) 사이의 자기적 끌림에 의해 누공(S) 부위에 유지된다.
Patent KR-20130001268-A (KR)
Inventor: TAMAKI TAKUMI
IPC: H01M10/052
Filed: 2010-03-15
Abstract: 본 발명에 의해 얻을 수 있는 리튬 2차 전지는, 정극 및 부극(20)을 구비한 리튬 2차 전지다.  부극(20)은 부극 활물질(21a, 21b)을 포함하는 부극 활물질층(24)이 부극 집전체(22) 위에 보유 지지된 구조를 갖는다.  이 부극 활물질층(24)은, 부극 집전체(22) 위에 설치된 집전체측 활물질층(24a)과 상기 집전체측 활물질층(24a) 위에 설치된 표층측 활물질층(24b)의 적어도 2층 구조를 갖고, 표층측 활물질층(24b)에 포함되는 부극 활물질(21b)의 평균 비표면적이 집전체측 활물질층(24a)에 포함되는 부극 활물질(21a)의 평균 비표면적보다도 크고, 또한 부극 활물질층(24) 전체에 포함되는 부극 활물질의 평균 비표면적이 3.3㎡/g 내지 5.6㎡/g이다.
Patent KR-20120136397-A (KR)
Inventor: STRAAIJER ALEXANDER
IPC: G03F9/00
Filed: 2011-02-21
Abstract: 기판 상의 격자의 특성들을 결정하기 위해, 기판으로부터의 회절 시 분리되어 편광되는 2 개의 빔들을 측정하도록 구성되는 시스템이 개시된다.  선형 편광된 광 소스들이 고정 위상 지연기를 통과하여, 직교 편광된 두 방사선 빔들 중 하나의 위상이 두 빔들 중 다른 하나에 대해 변한다.  두 방사선 빔들의 상대적인 위상들 및 검출기에서 측정되는 상기 빔들의 다른 특징들이 기판 표면의 특성들을 유도한다.  격자 및 상기 방사선 빔의 초기 선형 편광은 서로에 대해 비-직교인 각도를 이룬다.
Patent KR-20120123621-A (KR)
Title: Methods for treating bone cancer pain by administering a nerve growth factor antagonist
IPC: C07K16/22
Filed: 2005-04-07
Abstract: The invention features methods and compositions for preventing or treating bone cancer pain including cancer pain associated with bone metastasis by administering an antagonist of nerve growth factor (NGF). The NGF antagonist may be an anti-NGF (such as an anti-hNGF) antibody that is capable of binding hNGF.
Patent KR-20130038284-A (KR)
Inventor: ONO SHINYA
IPC: H05B44/00
Filed: 2010-06-18
Abstract: 기판 상에, 복수의 주사선(12)과, 복수의 데이터선(13)과, 상기 주사선(12)과 상기 데이터선(13)의 교차부 근방에 배치된 발광 화소(10)와, 발광 화소(10)에 전류를 공급하는 전원선(11)을 구비하는 유기 EL 표시 장치로서, 발광 화소(10)의 각각은, 주사선(12)을 통하여 주사 신호가 게이트에 공급되는 스위칭용 박막 트랜지스터(15)와, 데이터선(13)으로부터 스위칭용 박막 트랜지스터(15)를 통하여 공급되는 데이터 전압에 따라 게이트의 전압이 결정되며, 게이트에 인가되는 전압에 따라 발광 화소(10)에 흐르는 전류를 제어하지만 전류 제어용 박막 트랜지스터(16)와, 하부 전극(17c), 유기 발광층(17b) 및 상부 전극(17a)을 포함하고, 전원선(11)으로부터 전류 제어용 박막 트랜지스터(16)를 통하여 전류가 공급되는 유기 EL 소자(17)를 가지며, 복수의 주사선(12)이 배치된 TFT층(26) 상에 층간 절연막(25)이 설치되고, 층간 절연막(25) 상에 전원선(11)이 배치되어 있다.
Patent KR-20130117653-A (KR)
Inventor: JANKA KAUKO
IPC: G01N21/53
Filed: 2011-06-07
Abstract: 본 발명은 기류 중의 생물학적 물질의 검출방법으로서, 본 방법에 있어서, 상기 기류(16)는 샘플링 장치(12)들을 이용하여 공급되고, 광선(17)은 상기 기류(16)쪽으로 방출되고, 입자(14)의 형광을 나타내는 형광 신호(24)가 생성되고, 입자(14)의 빛의 산란을 나타내는 산란 신호(32)가 생성되고, 상기 형광 신호(24) 및 상기 산란 신호(32)는 이산값들로 변환되고, 경보값이 정의되고, 상기 이산값들은 적어도 2 차원, 선택된 치수들을 가지는 측정 공간에서 히트 포인트들로서 누적되어 기록되고, 상기 측정 공간으로부터 적어도 하나의 지수 영역(56, 58, 60)이 사전선택되고, 누적 지수는 상기 각각의 사전선택된 지수 영역(56, 58, 60)상에 축적된 상기 히트 포인트들로부터 지수 주파수에서 계산되고, 선택된 생물학적 물질의 존재를 나타내는 경보값은 사전선택된 기준을 이용하여 상기 지수들로부터 정의된다.
Patent KR-20140089266-A (KR)
Title: 피부미용 효능을 가지는 영양크림 조성물
Inventor: LEE JONG KUL
IPC: A61K8/92
Filed: 2013-01-04
Abstract: 본 발명은 풍부한 인삼추출물과 비타민 성분을 함유하여 피부, 손, 발 등에 영양을 공급, 특히, 손톱과 발톱에 충분한 영양을 공급할 수 있고, 피부에 윤기를 주어 피부탄력을 높여주며, 피부에 수분을 공급하여 장기간 보습효과를 지속시킬 수 있는 피부미용 효능을 가지는 영양크림 조성물을 제공하는데 있다. 
본 발명의 기술적 사상의 일 실시예에 따른 피부미용 효능을 가지는 영양크림 조성물은 용제, 스킨 컨디셔닝제, 계면활성제, 점도 증강제, 보습제, 가용화제, pH 조절제, 킬레이트제, 방부제, 착색제 및 착향료를 포함할 수 있다. 
본 발명은 인삼의 보습작용으로 효과적으로 피부의 탄력을 회복할 수 있고, 비타민 성분으로 피부, 손, 발 등 특히, 손톱과 발톱에 충분한 영양을 공급해 주며, 피부 산화를 방지하는데 효과적이며, 피부, 손, 발 등에 필요한 영양을 공급하여 피부가 자생력을 가지도록 함으로써, 피부의 노화 방지와 건조를 방지할 수 있다.
Patent KR-20140089784-A (KR)
Title: Method and apparatus for processing the data and ststem thereof
Inventor: KWON SUNG HO
IPC: A61B1/00
Filed: 2013-01-07
Abstract: The present invention relates to a method and an apparatus for processing data, and a system thereof. The apparatus for processing data includes: a controller which controls a mode of a capsule endoscope, for shooting the inside of a body of an animal including human being according to a signal inputted through an electrode, to be operated in a sleep mode or a wake mode, controls to charge the capsule endoscope when an operation mode is changed to the sleep mode, and controls to change the operation mode to one of a collection mode for collecting image data and a transmission mode for transmitting the image data when the operation mode is changed to the wake mode; and a mode changer to change the operation mode to one of the collection mode and the transmission mode according to a mode change signal inputted through the electrode when the operation node is changed to the wake mode.
Patent KR-20140090035-A (KR)
Title: Antracene derivatives having heteroaryl substituted naphthyl group and organic light-emitting diode including the same
Inventor: YU SE JIN
IPC: C07C15/28
Filed: 2013-01-08
Abstract: The present invention relates to an antracene derivative represented by the following [Formula A] and an organic light-emitting diode including the same. Substituents X_1 to X_7 , Y, and L are the same as defined in the detailed description of the invention.
Patent KR-20140029101-A (KR)
Title: Bump structures for semiconductor package
Inventor: LIN JING CHENG
IPC: H01L23/488
Filed: 2013-01-14
Abstract: A package structure includes a first substrate which is bonded to a second substrate by connecting the metal pillars of the first substrate to the connectors on the second substrate. The first meal pillar is on the metal pad of the first region of the first substrate and is electrically connected to the metal pad. A second metal pillar is formed on a passivation layer which is in the second region of the second substrate. A first solder combination region is formed between the metal pillar and the first connector. A second solder combination region is formed between a second metal pillar and a second connector. The thickness of the first metal pillar is greater than that of the second metal pillar.
Patent KR-20130085388-A (KR)
Title: Method and apparatus for multiview video prediction encoding capable of view switching, method and apparatus for multiview video prediction decoding capable of view switching
Inventor: CHOI BYEONG DOO
IPC: H04N7/32
Filed: 2013-01-21
Abstract: PURPOSE: A multi-view video prediction method for switching a viewpoint, an apparatus thereof, a multi-view video prediction restoration method for switching the viewpoint and an apparatus using the multi-view video prediction restoration method are provided to easily switching the viewpoint in a multi-view video restoration process. CONSTITUTION: A multi-view video prediction restoring device receives an image stream of a basic viewpoint and image streams of additional viewpoints (S23). A basic viewpoint image restoring unit performs motion compensation referring to images of the basic viewpoint using the image stream of the basic viewpoint and restores the images of the basic viewpoint (S25). An additional viewpoint image restoring unit performs at least one of variation compensation referring to restored images of the basic viewpoint and motion compensation referring to images of a first additional viewpoint using an image stream of the first additional viewpoint among the image streams of the additional viewpoints and restores the images of the first additional viewpoint (S27). [Reference numerals] (AA) Start; (BB) End; (S23) Receive an image stream of a basic viewpoint and image streams of additional viewpoints; (S25) Restore a basic viewpoint image by performing motion compensation referring to images of the basic viewpoint; (S27) Restore additional viewpoint images by performing motion compensation referring to the additional viewpoint images except for an anchor picture, and variation compensation referring to the images of a first additional viewpoint
Patent KR-20130022420-A (KR)
Title: Organic compound and organic electroluminescent devices using the same
Inventor: LEE EUN JUNG
IPC: C07D333/76
Filed: 2013-01-28
Abstract: PURPOSE: An organic compound and an organic electroluminescent device using the same are provided to improve luminous efficiency, brightness, thermal stability, and lifetime. CONSTITUTION: An organic compound is denoted by chemical formula 2. In chemical formula 2, Ar1, Ar2, and Ar4 are individually selected from a group consisting of hydrogen, heavy hydrogen, C1-C40 alkyl, C2-C40 alkenyl, C2-C40 alkynyl, C5-C40 aryl, heteroaryl of 5-40 nuclear atoms, C50-C40 aryloxy, C1-C40 alkyloxy, C5-C40 arylamino, C5-C40 diarylamino, (C6-C40 aryl)C1-C40 alkyl, C3-C40 cycloalkyl, and heterocycloalkyl of 3-40 nuclear atoms.
Patent KR-20140097747-A (KR)
Title: Diagnosis unit of oil pressure equipment for test unit for construction machine
Inventor: JANG YUN YONG
IPC: F15B21/08
Filed: 2013-01-30
Abstract: The present invention relates to a diagnosis unit of oil pressure equipment for construction machinery, wherein the diagnosis unit coupled to an oil pressure line supplies oil pressure to the oil pressure equipment when a failure is generated in the oil pressure equipment, thereby diagnosing the position and the degree of the failure in the oil pressure equipment. According to the present invention, a diagnosis unit of oil pressure equipment for construction machinery comprises a first connecting part detachably mounted on an oil tank; a second connecting part detachably mounted on the oil pressure equipment; an oil pressure pump sucking working oil from the oil tank through the first connecting part, and supplying the working oil to the oil pressure equipment through the second connecting part; an electric motor actuating the oil pressure pump; a coupling connecting and disconnecting the oil pressure pump and the electric motor; multiple valves formed on an oil pressure line connected between the first connecting part and the second connecting part, and controlling the flow of the working oil supplied to the oil pressure equipment by the oil pressure pump; a detecting sensor detecting working oil information on at least one of the flow rate, the pressure, the flow, or the temperature of the working oil flowing in the oil pressure line; and a control part controlling the actuation of the electric motor, the coupling, and the oil pressure pump, and diagnosing the cause and the position of a failure in the oil pressure equipment using the working oil information detected by the detecting sensor.
Patent KR-20140099131-A (KR)
Inventor: KANG SHIN WON
IPC: H01L51/48
Filed: 2013-02-01
Abstract: The present invention relates to an organic solar cell having an inside/outside moisture adjustment activity and a surface roughness increase activity of a photoactive layer and a method for manufacturing the same. More specifically, the present invention relates to a method for manufacturing an organic solar cell and an organic solar cell manufactured by the same. The method comprises the steps of: applying isopropanol on a photoactive layer after four to twenty minutes have elapsed from the coating of the photoactive layer; and removing the isopropanol from the photoactive layer and depositing an electrode layer (negative electrode) on the photoactive layer. According to the prevent invention, it is possible to prevent a dissolution phenomenon of the photoactive layer due to isopropanol. It is possible to prevent penetration of moisture into the photoactive layer when forming the electrode layer. Therefore, it is possible to adjust the moisture of the inside and outside of the photoactive layer, thereby reducing resistance increase due to moisture and increasing the optical conversion efficiency persistency rate (lifecycle). Moreover, since the surface roughness of the photoactive layer is increased, the surface roughness of the electrode layer (negative electrode) deposited on the upper portion of the photoactive layer is increased to cause scattering of incident light, thereby inducing the re-absorption. The contact area between the electrode layer and the photoactive layer is increased, thereby improving the optical conversion efficiency.
Patent KR-20140102383-A (KR)
Inventor: AN IN GU
IPC: H01M2/02
Filed: 2013-02-13
Abstract: The present invention relates to an electrode assembly comprising at least two unit cells, which comprise a positive electrode, a negative electrode, a separation membrane inserted between the positive electrode and the negative electrode, and an electrode tap projected out from each electrode. Each of the unit cells has a folded, stacked, folded-and-stacked, or laminated-and-stacked electrode structure, and at least two of the unit cells have different electrode structures. The unit cells are arranged in layers in a height direction with respect to a plane, and a separation membrane or a separation film is inserted between the unit cells.
Patent KR-20140102080-A (KR)
Inventor: AHN TAE SANG
IPC: E04B1/98
Filed: 2013-02-13
Abstract: Disclosed is a column-type vibration control apparatus which is installed between the upper layer beam and the lower layer beam of a rahmen frame structure having columns and the beams rigidly joined therein and which is capable of absorbing and damping a horizontal load using interlayer deformation when the horizontal load is applied. According to a proper embodiment of the present invention, the column-type vibration control apparatus installed between the upper layer beam and the lower layer beam of the rahmen frame structure having the columns and the beams rigidly joined therein comprises a vibration control unit including a first and a second vertical member and a vibration control member joined to be arranged between the first and the second vertical member; a pair of upper fixing members of which one end is joined to the upper layer beam and the other end is joined to the top of the respective exposed surface of the vertical members by pins so that one end of the vibration control unit can be fixed to the upper layer beam by pins; and a pair of lower fixing members of which one end is joined to the lower layer beam and the other end is joined to the bottom of the respective exposed surface of the vertical members so that the other end of the vibration control unit can be fixed to the lower layer beam by pins, wherein the vertical members have lengths shorter than the lengths of the columns, are separated from each other at certain intervals, and arranged in parallel with each other.
Patent KR-20140106796-A (KR)
Inventor: KIM SEONG SOO
IPC: G06T7/20
Filed: 2013-02-27
Abstract: The present invention relates to an image processing device and an image processing method for a closed circuit television (CCTV) security system which can distinguish an object from a background by binarizing the object as white and the background as black from a processed black and white image, determine effectiveness of the object in each pixel from the binarized image, determine center coordinates of the object of which the effectiveness determination is completed, generate a movement area based on the center coordinates of the object, track the center coordinates of the object, and store a corresponding image when the center coordinates of the object deviate from the movement area. According to the device and the method of the present invention, only an effective image required for security can be stored by accurately determining the degree of movement of an object based on a movement area, and an image processing speed can be improved by performing image processing of only the movement area formed around the moving object.
Patent KR-20130116010-A (KR)
Title: Optical fiber
Inventor: OYAMADA HIROSHI
IPC: G02B6/02
Filed: 2013-02-28
Abstract: PURPOSE: An optical fiber is provided to prevent Rayleigh scattering without damaging the bending loss. CONSTITUTION: An optical fiber comprises a core, a low refractive index layer which is adjacent to the core and covers circumference of the core; and a clad which is adjacent to the low refractive index layer and covers the circumference of the low refractive index layer. The refractive index of the low refractive index layer decreases as it gets from the inner side to the outer side. The maximum refractivity of the core is n1. The minimum refractivity of the low refractive index layer is n2. The average refractivity of the clad is n3. The refractive index of the boundary of the innermost core of the low refractive index layer is n3. The refractive index of the boundary of the outermost clad of the low refractive index layer is n2. [Reference numerals] (AA) Ge concentration; (BB) F concentration
Patent KR-20140109179-A (KR)
Title: Amine-based compound and organic light emitting diode comprising the same
Inventor: CHO HWAN HEE
IPC: C09K11/06
Filed: 2013-03-05
Abstract: Disclosed are an amine-based compound and an organic light emitting diode including the same. The organic light emitting diode including the amine-based compound can have low driving voltage, high efficiency, high color purity, and long lifetime. The present invention is represented by following chemical formula 1 or 2, Z11 is N or C (R11), Z12 is N or C (R12), Z13 is N or C (R13), Z 14 is N or C (R14), Z1 is N or C (R15), Z16 is N or C (R16), Z17 is N or C (R17), Z18 is N or C (R18), Z19 is N or C (R19), Z20 is N or C (R20), Z 21 is N or C (R21), Z22 is N or C (R22), Z23 is N or C (R23), and Z24 is N or C (R24).
Patent KR-20140117774-A (KR)
Inventor: KIM SUNG JUNE
IPC: A61H39/06
Filed: 2013-03-26
Abstract: The present invention relates to a multichannel neural stimulation device comprising: a loop coil which generates a first magnetic field by means of an alternating current (AC) power source; multiple resonator coils which are magnetically coupled with the loop coil and generate a second magnetic field for heating particles injected in nervous tissues by means of an induced electromotive force which is induced by means of the first magnetic field; a mount including the loop coil and resonator coils therein; and a power source unit which is connected with the loop coil in order to apply the AC power source. By means of the present invention, through only one electricity supplying source, a magnetic field can be simultaneously generated for multiple resonator coils, so that multiple nano particles injected in nervous tissues can be simultaneously heated. Moreover, a magnetic field can be selectively generated for multiple resonator coils, so that only particular nano particles from among multiple nano particles injected in nervous tissues can be selectively heated.
Patent KR-20140118525-A (KR)
Inventor: PARK YANG GYUN
IPC: H01R13/10
Filed: 2013-03-29
Abstract: The present invention relates to a cylindrical electrode type device, to prevent an energy discharge and a submergence electric shock, capable of miniaturizing a volume while preventing an electric shock accident by reducing an electrical short current in case a terminal which electrically connects an electrical device is submerged. The cylindrical electrode type device includes: an input wire (100) into which a commercial power supply is inputted; an output wire (200) which supplies the commercial power supply, which is inputted into the input wire (100), to a load; and a cylindrical electrode (10) which has both ends connected to the input wire (100) and the output wire (200), has an internal diameter which is 1.2-100 times greater than the diameter of the input wire (100), and has a length which is 1.2-100 times longer than the diameter of the input wire (100) in order to prevent a power failure or an electric shock through liquid by making electric power flow in electric equipment or electronic equipment while confining the electric power in order to extend the life of the electric equipment or electronic equipment and guarantee an operation even though the electric equipment or electronic equipment is submerged in rain or water by reducing an energy discharge by the decrease of an energy amount which flows in air and making the wavelength of electric power and the wavelength of current even when supplying energy.
Patent KR-20140121656-A (KR)
Inventor: KIM MAN
IPC: H04R9/02
Filed: 2013-04-08
Abstract: The present invention relates to a vibration part which includes a base film comprising a first vibration plate region (A), a suspension region (B), and a second vibration plate region (C); a suspension pattern located in the suspension region (B); and a dummy wiring pattern located in the second vibration plate region (C). A vibration part can be formed on a base film by integrating a suspension with a vibration plate which is in charge of a low band to a high band.
Patent KR-20140123164-A (KR)
Inventor: CHOI GEUN YOUNG
IPC: H02J7/04
Filed: 2013-04-11
Abstract: The present invention relates to an apparatus and a method for battery balancing. More specifically, provided are an apparatus and a method for battery balancing, which control a power relay assembly and are for balancing between batteries connected in parallel. According to an embodiment of the present invention, by controlling the power relay assembly when voltage imbalance between batteries connected in parallel occurs and performing battery balancing, stability can be increased by preventing deterioration of the battery, lifespan of the battery can be extended, and maintenance costs of the battery can be reduced.
Patent KR-20140123178-A (KR)
Inventor: KIM JOO YOUNG
IPC: G09F9/00
Filed: 2013-04-11
Abstract: A display device includes a display panel, a protection member, a photoconductive member, a light source and a light leakage preventing member. The display device includes the display surface of a concave-bent surface in a longitudinal direction. The light leakage preventing member is movably combined with the protection member according to the extraction and expansion of the photoconductive member. The light leakage preventing member is extracted and expanded according to the extraction and expansion of the photoconductive member and includes an elastic member which prevents damage to the light source due to the expansion of the photoconductive member.
Patent KR-20140123276-A (KR)
Inventor: KANG JUNG MIN
IPC: G01N29/024
Filed: 2013-04-12
Abstract: The present invention relates to a viscosity measuring device of an industrial inkjet printer and, more specifically, to a viscosity measuring device of an industrial inkjet printer, which periodically measures the viscosity of ink stored to be used in the inkjet printer, thereby preventing inadequate viscosity of the ink from causing poor print quality or malfunction of the inkjet printer. According to the present invention, a viscosity measuring device of an industrial inkjet printer comprises: an ultrasonic wave transmitting part positioned on one side of an ink line installed in the industrial inkjet printer, and generating an ultrasonic wave; an ultrasonic wave receiving part positioned on the other side of the ink line, and receiving the ultrasonic wave output from the ultrasonic wave transmitting part; and an ultrasonic wave measuring part connected to the ultrasonic wave transmitting part and the ultrasonic wave receiving part, and estimating a difference between transmission time when the ultrasonic wave transmitting part transmits the ultrasonic wave and reception time when the ultrasonic wave receiving part receives the ultrasonic wave.