baber/WOPTO huggingface dataset:
Patent KR-20010089110-A (KR)
Title: 윤활유 기유를 제조하기 위한 수소화전환 방법
Inventor: CODY IAN A
IPC: C10M177/00
Filed: 1999-02-12
Abstract: 본 발명은 추출잔류물을 용매 추출 대역(20)으로부터 제 1 수소화전환 유니트(42) 및 이어서 제 2 수소화전환 유니트(52)로 보내어 2단계 수소화전환을 수행하고, 그다음 수소화개질 대역(60) 및 탈납화 대역(74)을 통과시켜 선택적으로 수소화전환함으로써, 포화물의 함량이 90 중량% 이상이고, VI가 105 이상인 윤활유 기유를 제조하는 방법에 관한 것이다.
Patent KR-20010041791-A (KR)
Title: 알파-올레핀/비닐 또는 비닐리덴 방향족 및/또는 힌더드지환족 또는 지방족 비닐 또는 비닐리덴 인터폴리머로부터제조된 섬유
IPC: D04H1/42
Filed: 1999-03-10
Abstract: 본 발명은 
     (A) (1) (i) 최소한 하나의 비닐 또는 비닐리덴 방향족 단량체, 또는 (ii) 최소한 하나의 힌더드(hindered) 지방족 또는 지환족(cycloaliphatic) 비닐 또는 비닐리덴 단량체, 또는 (iii) 최소한 하나의 방향족 비닐 또는 비닐리덴 단량체와 최소한 하나의 힌더드 지방족 또는 지환족 비닐 또는 비닐리덴 단량체의 혼합물로부터 유도된 중합체 단위 0.5 내지 65 몰%, 및 (2) 에틸렌 또는 최소한 하나의 C 3-20 α-올레핀 또는 이들의 혼합물로부터 유도된 중합체 단위 35 내지 99.5 몰%를 포함하는, 0.1 내지 1,000 g/10분의 I 2 , 0.9300 g/cm 3 보다 큰 밀도 및 1.5 내지 20의 M w /M n 를 가진 실질적인 랜덤 인터폴리머 최소한 하나 50 내지 100 중량% (성분 A와 B의 총량 기준); 및 
     (B) 최소한 하나의 점착성 부여제(tackifier) 0 내지 50 중량% (성분 A와 B의 총량 기준) 
     를 포함하는 섬유에 관한 것이다.  본 발명의 섬유는 카펫 섬유, 탄성 섬유, 가발, 인형 헤어, 개인/여성 위생 용도, 기저귀, 운동복, 주름 방지 및 형태 적합성 의복, 전도성 섬유, 실내장식재, 및 붕대 및 γ-멸균가능한 직조되지 않은 섬유를 포함하나 이들로 제한되지는 않는 의학적 용도에 적용될 수 있다.
Patent KR-20010071165-A (KR)
Title: 보호케이싱
IPC: B65D81/38
Filed: 1999-04-16
Abstract: 본 발명은 그 안에 수용된 물품을 보호하는 보호케이싱에 관한 것으로, 이 보호케이싱은 물품을 수용할 수 있게 내부용적을 갖는 케이싱을 구성하도록 조립될 수 있되, 플라스틱재 매트릭스내에 다수의 보강섬유층을 갖춘 섬유보강 플라스틱재로 된 외부표피부와, 플라스틱재 매트릭스내에 다수의 보강섬유층을 갖춘 섬유보강 플라스틱재로 된 내부표피부 및, 외부표피부와 내부표피부 사이의 공간에 저밀도의 코어(core)재로 된 충전부로 각각 이루어진 적어도 2개의 케이싱부재와; 이들 적어도 2개의 케이싱부재 사이에 있는 접합면에 위치된 밀봉수단 및; 상기 적어도 2개의 케이싱부재를 함께 고정하는 고정수단을 구비한다.
Patent KR-20010043042-A (KR)
Title: A process for the preparation of colostrum
IPC: A23C9/142
Filed: 1998-04-29
Abstract: A process for the preparation of an essentially bacteria-free colostrum by means of microfiltration, which process includes that defatted, natural colostrum (first milk) is poured into a balance tank; subsequently the feeding pump is pumping the concentrate to a booster pump; the booster pump circulates the concentrate across a filter membrane wherein the pressure difference in the membrane rendered filtration of the concentrate possible; the concentrate is flowing across a heating/cooling unit to keep a constant process temperature before the concentrate returns to the booster pump; filtrated colostrum (the filtrate) circulates across the filter membrane to keep a constant transmembrane pressure; the filtrate is drained without pressure loss on the filtrate side of the filter.
Patent KR-20010043603-A (KR)
Title: 집속소자, 광헤드, 광정보 기록재생장치 및 광정보기록재생방법
IPC: G11B7/135
Filed: 2000-03-14
Abstract: 2파장의 광속을 사용하고 하나의 대물렌즈를 사용하여, 디스크 기판 두께 t1(0.6 mm) 또는 t2(1.2 mm)의 기판 두께가 상이한 광디스크를 재생하는 광헤드를 제공한다. 이를 위해, 집속소자를 중심부와 외주부로 구성하고, 집속소자의 중심부의 최적 설계 기판 두께를 t1 ×0.6∼t1, 외주부의 최적 설계 기판 두께를 0.6 mm로 한다. 집속소자에 단차를 만드는 것에 의해, 디스크 기판 두께 t1인 정보매체에 대해서도, 디스크 기판 두께 t2인 정보매체에 대해서도 사이드 로브가 적은 상태에서 정보를 기록재생한다. 또는, 대물렌즈에 단차를 만들어서, 제2발광원에서 집광광학계까지의 광학거리 L2를, 제1발광원에서 집광광학계까지의 광학거리 L1의 80 %∼95 %로 설정한다. 또는, 제1파장의 광만을 원형띠 형상으로 차광 또는 회절한다.
Patent KR-20010025094-A (KR)
Title: 회전기계
IPC: F01C1/44
Filed: 1999-05-21
Abstract: 회전기계는 회전 케이싱(11)에 편심적으로 장착된 로터(10)를 가지며, 내측방향과 외측방향으로 피봇회전 하도록 적용된 원주방향으로 이격된 베인(14)을 구비함으로써, 각각의 베인의 최외측 단부는 케이싱(11)의 내벽에 근접하여 종동하게 된다. 베인의 피봇회전 운동은 각각의 베인(14)의 피봇 샤프트(17)에 편심적으로 연결되고, 케이싱(11)과 같은 축에서 자유롭게 회전할 수 있는 디스크(21)에 있는 홈(20)에서 슬라이딩하기에 적합한 미끄럼 장치(19)에 의해 생성된다.
Patent KR-20010025622-A (KR)
Title: An air puncher for boring machine and a method of compensating straight boring deviation using the same
Inventor: YOON JAE CHUL
IPC: E21B7/08
Filed: 2001-01-11
Abstract: PURPOSE: A compound pneumatic hammer for a puncher and the straight punching deflection compensating method are provided to punch a straight hole by adjusting the punching direction instantly without stopping punching works even though the punching direction is swerved, to straighten the inclined excavating direction simply and promptly by regulating the strength and weakness of air pressure added to a compound pneumatic hammer, and to reduce the shock and noise on punching with pneumatic hammers. CONSTITUTION: In a puncher punching a straight hole in the ground by hammering the ground with a hammer beat(7) by supplying compressed air from a compressor to an air hammer attached to the front end of an auger rod(2) revolved by a driving unit through a pneumatic port of a swivel(5), a compound pneumatic hammer comprises many air hammers(6a-c) to be operated separately, the same number of pneumatic ports as the air hammers(6a-c) are installed to the swivel(5), and air vents(9a-b) per pneumatic ports are installed on the auger rod(2) to control the strength and weakness of air pressure per air hammers(6a-c); the punching deflection compensating method, which restores normal excavation and straight perforation, comprises the steps of heightening air pressure to the side of the reverse pneumatic port to the deflected side, when the ground is excavated toward one side while punching a straight hole using the pneumatic hammers attached to the front end of the auger rod(2), and making an air hammer passing through an area of the pneumatic port excavate prior to other air hammers and guiding the excavating direction of the air hammer of the other pneumatic port excavating under normal pressure.
Patent KR-20020060876-A (KR)
Title: A dry typed non-porous waterproof and breathable fabric
Inventor: KO GYEONG CHAN
IPC: D06M15/564
Filed: 2001-01-13
Abstract: PURPOSE: Provided is dry type imperforate type moisture permeant water proof cloth which is characterized by having excellent durability and moisture transpiration, being possible to control moisture permeability properly in proportion as temperature and being useful for sports wear. CONSTITUTION: The dry type imperforate type moisture permeant water proof cloth is comprised of hydrophobic synthetic fabric(1), an adhesive layer(2) of hydrophilic two-pack polyurethane resin and a one-pack polyurethane resin layer(3) in order. Density of the one-pack polyurethane resin layer(3) is higher than density of the adhesive layer(2) of two-pack polyurethane resin. Moisture permeability is at least 30,000g/m¬2·24hours under 10deg.C of air temperature.
Patent KR-20010078061-A (KR)
Title: Process for the continuous production of longitudinally seam-welded and corrugated metal tubes
Inventor: FROHNE CHRISTIAN
IPC: B21D5/12
Filed: 2001-01-26
Abstract: PURPOSE: Provided is a method for continuously manufacturing a metal tube having a longitudinal seam welding and a corrugated shape capable of achieving a high manufacturing speed by reducing the encircling mass and thereby increasing the rotational speed of the corrugation head to thereby permit a higher rate of production to be achieved. CONSTITUTION: In a process for the continuous production of longitudinally seam-welded and corrugated metal tubes(46), a metal band drawn off from a supply reel is formed into an open-seam tube, welded at its longitudinal edges, and the welded smooth tube(45) corrugated. A withdrawal apparatus driven by an electric motor engages the smooth tube. The smooth tube(45) is corrugated by means of a corrugation plate(43) located in a corrugation head(42) which can be driven rotationally. The corrugation head(42) is driven directly by a hollow shaft motor(37, 38).
Patent KR-20010035276-A (KR)
Title: System for network-based advertising service provided wireless communication device
Inventor: CHO SANG HEE
IPC: H04W4/00
Filed: 2001-01-31
Abstract: PURPOSE: An advertisement service system is provided to decrease the buying cost of a terminal by compensating the terminal price through certifying advertisement data received by the terminal. CONSTITUTION: A cooperative relation with plural advertisement owner and a mobile communication service provider is set, and a database of an advertisement data is constructed, and a server computer(30) performs a contract according to supplying a mobile communication terminal by a user's demanding through a communication network(10), and the mobile communication terminal is supplied with the user for a low price or free of charge.
Patent KR-20010035462-A (KR)
Title: Manufacture of artificial pads from viscose
Inventor: KIM YONG WOOK
IPC: A61L15/22
Filed: 2001-02-16
Abstract: PURPOSE: A method for producing a viscose-artificial pad which is excellent in absorbancy, tensile strength, softness, and friction resistance is provided. CONSTITUTION: The method for producing a viscose-artificial pad is characterized by: making alkali cellulose with a natural fiber including more than 92% of alpha-cellulose; doing xanthation by mixing carbonic disulfide: alkali cellulose in a ratio of 9:1 at 40deg.C for 3hrs.; making viscose solution mixture after mixing 100wt.% of viscose solution, 10wt.% of strengthening fiber, 600wt.% of glauber's salt, and 10wt.% of Jute Liner; filling the same in a mold; and making the same coagulated and finishing.
Patent KR-20020068625-A (KR)
Title: The reinforsed paving method of porous aspalted road
Inventor: KIM HEUN JUN
IPC: E01C7/35
Filed: 2001-02-21
Abstract: PURPOSE: A reinforcing/paving method for a porous asphalt road is provided to enhance the strength of porous asphalt and to prevent the transformation of a road. CONSTITUTION: The reinforcing/paving method for a porous asphalt road comprises the steps of spreading cement paste on an asphalt pavement provided with a permeable hole and setting up a vibration on the paved surface by using a vibration roller to permeate inward through the permeable hole.
Patent KR-20010087764-A (KR)
Title: Method of management internet site and online-game user's id and password by using internet and handphone
Inventor: KIM DONG HWON
IPC: G06F17/00
Filed: 2001-02-26
Abstract: PURPOSE: A method for managing the ID and password of the Internet site and on-line game user through the Internet and mobile communication is provided to prevent an illegal use of others by releasing the connection and asking new password, or suspending the service. CONSTITUTION: A service user takes the membership and authentication procedure (501-504). The service user receives an own user menu(505). The service user selects a registered site addition for registering and adding the Internet site, pc communication, and on-line game which the service user wants to protect in the user menu(506). The service user selects a registered site cancellation for deleting the Internet site, pc communication, and on-line game of which the service user wants to cancel the registration(507). The service user selects a registered site lock for blocking the connection of an unauthorized other user in advance when the service user does not receive the connection state or use the Internet site, pc communication, and on-line game for a while(508). The service user selects a registered site unlock for releasing the registered site lock through the ID and password authentication of the service user(509). If the service user selects the connection state and changed contents of the registered site, the connection state and changed contents are displayed(510).
Patent KR-20010069476-A (KR)
Title: System and method for providing discount coupon using the internet
Inventor: HONG JI YON
Filed: 2001-03-27
Abstract: PURPOSE: A system and method providing a discount coupon using the Internet is provided to induce a person to join to a web site and to increase the number of visitors. CONSTITUTION: A coupon providing server(20) is provided for a discount coupon to a web site visitor. The coupon providing server(20) is a user terminal for connecting to a specific web site through the Internet(10) and provides a discount coupon without a member joining process. The specific web site is a web site provided by the coupon providing server(20) or a web site provided by a specific web server(40) being linked to the coupon providing server(20). The coupon providing server(20) comprises a network interface(21) for connecting to the Internet(10), a server processor(22), a timer(23), a memory(24) and a large-sized capacity hard disk(25). A coupon issuing process program for performing a general process of a coupon generation is loaded to the memory(24) and is executed by the server processor(22). The hard disk(26) includes a coupon database(27) and an advertisement database(28).
Patent KR-20010069496-A (KR)
Inventor: KIM YONG BUM
IPC: B41M3/06
Filed: 2001-03-30
Abstract: PURPOSE: A method for printing the surface of wet fabric is provided to reduce the process of manufacturing and to improve the productivity by directly printing the surface of the wet fabric with ink including urethane, liquid phase silicon, or PVC(polyvinyl chloride). CONSTITUTION: The method for printing the surface of the wet fabric comprises the steps of; producing liquid phase urethane by liquidizing urethane of 60 percent and methyl ethyl ketone of 40 percent; producing print ink by mixing the liquid phase urethane of 90 to 95 percent, colorant of 4.5 to 9.5 percent, and petroleum of 0.5 percent; and printing the surface of the wet fabric by using a silk screen frame after adjusting the density of the print ink by adding toluene of 20 to 10 percent to the print ink of 80 to 90 percent.
Patent KR-20020078795-A (KR)
Inventor: KIM YOUNG SE
IPC: G02B27/01
Filed: 2001-04-10
Abstract: PURPOSE: A display helmet is provided to give traveling information such as states of a front and a rear direction, speed information, a traveling distance, and a pulse rate of a bicycle user by using a display portion mounted on the helmet. CONSTITUTION: A speed sensor portion(1) detects a speed of a moving bicycle and transmits a speed signal corresponding to the speed of the moving bicycle to a control portion(5). A distance integrating portion(2) is connected with the speed sensor portion(1) in order to integrate a traveling distance of the bicycle and transmit a corresponding traveling distance detection signal to the control portion(5). The control portion(5) receives the speed signal from the speed sensor portion(1) and the traveling distance detection signal from the distance integrating portion(2) and controls a display portion(6) in order to display speed information and traveling distance information on the display portion(6). The display portion(6) displays the speed information and the traveling distance information according to a control operation of the control portion(5).
Patent KR-20020079014-A (KR)
Inventor: DO WON CHEOL
IPC: H01L21/607
Filed: 2001-04-12
Abstract: PURPOSE: A wire bonder work bumping and coining at the same time is provided to reduce the processing time and cost and improve productivity by supplying a tool having both bumping and coining device connected to a single transducer. CONSTITUTION: A wire bonder is made up of a transducer(100) containing an ultra sonic generator(120) serving as source of ultrasonic waves and a transducer horn transferring ultrasonic waves to the pointed end. A tool-fixing part(200), having two holes in it, is attached to the pointed end of the transducer horn. Both bumping tool(20) and coining tool are installed in the tool-fixing part.
Patent KR-20010069510-A (KR)
Title: Home Hydro-Cultivater
Inventor: KIM TAE JOO
IPC: A01G31/06
Filed: 2001-04-07
Abstract: PURPOSE: Disclosed is a hydroponic culturing device for home use to produce various clean vegetables throughout the year by being installed in the apartment veranda, dining room as surplus space in home, to make natural environment by securing green space in home, to help for children to observe plant or study nature. CONSTITUTION: The hydroponic culturing device for home use is characterized by forming hydroponic culturing system with proper size and shape in the space using aluminium frame prop(1) of polygon; forming bed(3) made of aluminium having projection to support planting board(4) with multi-step; providing nutrient solution in the top end from nutrient solution tank; providing surplus nutrient solution after maintaining nutrient solution level of each step bed(3) from top end of drain hose(12) nipple inside of bed(3) in the bottom end; providing sufficient oxygen to the root using bubble generated by diameter difference of drain hose(12) entrance nipple and drain hose(12).
Patent KR-20010069565-A (KR)
Title: System for Inputting Chinese Characters for the Electronic Apparatuses by Using the Root
Inventor: CHOI JANG SUNG
IPC: G06F3/023
Filed: 2001-04-17
Abstract: PURPOSE: A system for inputting a Chinese character using a root of the Chinese character is provided to reduce the load of an input system and the waiting time for inputting, and to enable a user to easily input a Chinese character in case that the user accurately couldn't memorize and input a Chinese character. CONSTITUTION: Coding information on a root of Chinese character and frequency ranking information are stored in a root of Chinese character database according to a plurality of basic figures. The coding information coded, information on roots of Chinese character, partial coding information and frequency ranking information are stored in a Chinese character database. A key for a root of Chinese character enables a user to refer to and select a root of Chinese character. A direction key can move a cursor displayed on a root of Chinese character group or a Chinese character group. A selection key enables the user to select a root of Chinese character or a Chinese character in which the cursor is located.
Patent KR-20020083204-A (KR)
Title: Engine control device having drop control methode at cold start
Inventor: CHOI YEONG HO
IPC: F02D45/00
Filed: 2001-04-26
Abstract: PURPOSE: A drop control method of an engine control unit in starting at low temperature is provided to prevent sudden stop of power supply to the engine control unit from drop of battery voltage in increasing friction of the engine by applying the minimum supply voltage filtering value according to the voltage sample time filtering map corresponding to coolant temperature. CONSTITUTION: A vehicle state detecting unit detects coolant temperature, ignition, engine rpm and battery power, and an engine control unit initializes variables in applying power to a vehicle(S100). The engine control unit decides rotation of the engine by receiving values from the vehicle state detecting unit(S110,S120). The engine control unit sets the upper limit of the minimum supply voltage band in starting by applying the voltage sampling time filtering value according to coolant temperature(S130,S140). The engine control unit outputs a fuel injection control signal, and decides end of starting(S150,S160). The stop of the engine control unit is prevented from drop of the battery power in starting at low temperature.
Patent KR-20020015633-A (KR)
Title: Receiving Unit for Communication Terminal
Inventor: KANG YONG HO
IPC: H04B1/38
Filed: 2001-04-26
Abstract: PURPOSE: A receiving unit of a communication terminal is provided to integratively manufacture a speaker and a receiver of the terminal and to simplify manufacturing processes, so as to reduce unnecessary spaces and costs. CONSTITUTION: A frame(11) receives a speaker functional unit and a receiver functional unit, and has a ventilating hole(11a). A yoke(21) is installed to vertically divide the internal space of the frame(11), and has a ventilating hole(21a). A PCB(17) is installed through internal and external parts of the frame(11), to apply power to the speaker functional unit and the receiver functional unit.
Patent KR-20020085441-A (KR)
Inventor: CHOI SEONG BONG
IPC: D06F23/00
Filed: 2001-05-08
Abstract: PURPOSE: A washing machine is provided to automatically determine the pollution level of water used in the washing of clothing and alternatively recycle the water for further use, thereby reducing the water consumption conveniently. CONSTITUTION: A washing machine includes a washing part(35) for receiving water and clothing to carry out washing, a water supply part(42) for supplying water to the washing part, a drain part(45) for draining water used in the washing part to the outside, a pollution level sensor(50) for sensing a pollution level of the water transmitted to the drain part, and a water recycling part(52) for supplying water discharged via the drain part and alternatively stored according to a signal of the pollution level sensor to the washing part again, wherein the drain part has a temporal storing part(49) for temporarily storing the water drained from the washing part.
Patent KR-20020085596-A (KR)
Title: Agastache rugosa tea and process for the preparation thereof
Inventor: AHN GYEONG SEOP
IPC: A23F3/34
Filed: 2001-05-09
Abstract: PURPOSE: A process of preparing the titled Agastache rugosa leaf tea obtained by roasting Agastache rugosa leaves, grinding and then mixing roasted brown rice or Polygonatum odoratum is provided. Whereby, the product is tasty and has a peppermint flavor. CONSTITUTION: Leaves of Agastache rugosa(Fisch. et Meyer) O. kuntze are washed, hot air dried until a moisture content of leaves attains 5.0 to 7.0% at 40 to 45deg.C, and roasted at 170 to 220deg.C for 20 to 180sec. Thereafter, brown rice is roasted at 140 to 170deg.C for 10 to 20min and then mixed with the roasted Agastache rugosa in a ratio of 2:3 to 3:2. The mixture is mixed with water in an amount of 2.5 to 3.5g/L and extracted at 75 to 85deg.C for 40 to 60sec.
Patent KR-20020087277-A (KR)
Title: Photocatalytic composition having functions of air purification and antimicrobial activity and a moth-proof net coated with the composition
Inventor: HAN JEONG CHEOL
IPC: B01J23/20
Filed: 2001-05-15
Abstract: PURPOSE: A photocatalytic composition with air purification function and anti-microbial activity, and mosquito net coated with the photocatalytic composition are provided. CONSTITUTION: The photocatalytic composition comprises an inorganic binder including SiO2, TiO2 3 to 15 wt.%, V2O5 0.3 to 1.5 wt.%, Ag 0.3 to 1.5 wt.% and carbon powder 1 to 5 wt.%.
Patent KR-20010106252-A (KR)
Title: 화면입력형 표시장치
IPC: G02F1/133
Filed: 2001-05-15
Abstract: 본 발명은 화면입력형 표시장치로서 상측기판(2)에 형성한 상층저항막(4)에 설치한 상측배선전극(6)과 하측기판(3)에 설치한 기판간의 접속배선전극(7)과의 접속부에 금속박피를 도전성 접착제로 끼운 테이프형의 도전성접착부재(8)를 이용하여 상하기판간의 갭제어를 용이하게 하면서 저항막에 의한 저항치 검출의 리뉴얼리티를 안정화하여 좌표검출의 오동작을 해소한 터치판넬을 이용한 신뢰성 높은 화면입력형 표시장치를 제공하는 기술이 제시된다.
Patent KR-20020088157-A (KR)
Title: Insurance Marketing System to use Database
Inventor: LEE WON JUN
Filed: 2001-05-17
Abstract: PURPOSE: A system for the insurance marketing by using a DB is provided to exclude an unnecessary call by informing the customers of the expiration date of the insurance and making the customers spontaneously make a return call, to promptly meet the customers' needs by using a caller ID service, and to enhance the contraction rate of the insurance. CONSTITUTION: A vehicle insurance subscriber database server(100) provides the information needed for the marketing by connecting a TM(Telemarketing) center(200) with an SMS(Short Message Service) server(300). The database server selectively classifies the members of whom the expiration date of the insurance approaches to select the targets to send a message. The TM center monitors the information about the members by using the caller ID service and collectively process the information needed for the subscription of the insurance and the estimation of the insurance money. The SMS server selectively sends the message to the selected targets. A personal digital assistant(400) outputs the data emitted by the SMS server and responds to the TM center.
Patent KR-20020088585-A (KR)
Title: Emergency call signal transmitting apparatus and method using mobile communication device
Inventor: MIN GYEONG MU
IPC: H04B1/40
Filed: 2001-05-18
Abstract: PURPOSE: An apparatus and a method for transmitting an emergent rescue signal using a mobile communication terminal are provided to generate an ultrasonic wave in the mobile communication terminal, quickly search the position of a caller who requests an emergent rescue, and rescue the caller. CONSTITUTION: A keyboard has a rescue request button. An RF(Radio Frequency) module(2) and a modem unit(1) connect to an antenna(ANT). An ultrasonic module(20) connects to a serial connection port of the modem unit(1) and generates an ultrasonic wave. A power control unit(10) connects to a general purpose input/output port(GPIO) of the modem unit(1) and supplies a power to the ultrasonic module(20).