baber/WOPTO huggingface dataset:
Patent KR-20070100190-A (KR)
Title: Method for controling data attribute of electronic disk
Inventor: PARK DONG MYUNG
IPC: G11B20/10
Filed: 2007-06-25
Abstract: A method for controlling data attribute of an electronic disk is provided to prevent musical source data from being changed by an operating system of a musical source output device playing musical source data stored in the electronic disk by setting musical source data to read-only/hidden attribute and having an IC chip for certifying an application program accessible to the musical source data. In a method for controlling data attribute of an electronic disk, a data storing unit stores musical source data set to read-only/hidden attribute in a memory. A certification key storing unit stores an certification key(or certification information) required to certify an application program changing attributes of musical source data stored in the memory. The certification processing unit reads out the certification key(or certification information) stored in the IC chip and certifies the application program changing read-only/hidden attribute of the musical source data through the certification key(or certification information). A memory control unit allows only the application program certified by the certification processing unit to change read-only/hidden attribute of the musical source data.
Patent KR-20090002556-A (KR)
Title: Novel antimicrobial peptide and its application derived from echiuroid worm, urechis unicinctus
Inventor: LEE DONG GUN
IPC: C07K14/00
Filed: 2007-07-02
Abstract: An antibiotic peptide derived from Urechis unicinctus, and a pharmaceutical composition containing the antibiotic peptide are provided to obtain excellent antibacterial and fungicidal activity without cytotoxicity. An antibiotic peptide derived from Urechis unicinctus has an amido acid sequence represented by the sequence number 1. Also the antibiotic peptide derived from Urechis unicinctus has an amido acid sequence represented by the sequence number 2. Preferably the peptide shows an antibacterial activity against the germ of Staphylococcus aureus, Enterococcus faecum, Streptococcus mutans, Escherichia coli 0-157, Pseudomonas aeruginosa, Vibrio vulnificus, Candida albicans, Trichosporon beigelii, and Malassezia furfur.
Patent KR-20090003849-A (KR)
Title: Assembly type of non-slip stairs
Inventor: LEE JUNG SUN
IPC: E04F11/16
Filed: 2007-07-05
Abstract: A prefabricated non-slip stair tread is provided to prevent the relaxation of an inorganic horizontal finish layer and an inorganic vertical finish layer at the rear end and the front end of a fixed member, and to attach a fixed member to a cement mortar layer strongly. A prefabricated non-slip stair tread(1) comprises a fixed member(2) buried in the front end of the top of a cement mortar layer placed on a horizontal plane and a vertical plane of the foundation of stairs, and a non-slip member(3) assembled to the top of the fixed member, wherein a vertical front plane(26) forming a flat vertical plane with the front of the inorganic vertical finish layer and a relaxation prevention incline plane(27) inclined upward toward a front anchor portion from the bottom of the vertical front plane are formed on the front end of the fixed member, and a rear support plate(24) supporting the inorganic horizontal finish layer and a rear relaxation prevention projection(28) preventing the end of the inorganic horizontal finish layer from being swollen are formed on the rear end(36) of the fixed member.
Patent KR-20090005486-A (KR)
Title: Door and washing machine including the same
Inventor: KIM SUK
IPC: D06F37/28
Filed: 2007-07-09
Abstract: A washing machine is provided to enable a user to open and shut a door easily by putting a door handle on the upper part of the washing machine. A washing machine comprises: a main body including an opening on one side; a door which opens and closes the opening; a door handle(20) on the door; a door locking unit(30) which is operated according to an operation of the door handle and locks and unlocks the door. A central part of the door handle is characterized by being located on the upper part of the door locking unit.
Patent KR-20090005899-A (KR)
Title: Method for improving sensing sensitivity of gas sensor using a voltage control
Inventor: KIM JOON DONG
IPC: G01N27/00
Filed: 2007-07-10
Abstract: A method for improving sensitivity of a gas sensor is provided to improve the gas reaction property by regulating applied voltage over the specific level. A nano material gas sensor comprises a substrate(11), an insulating layer(12) formed on the top of the substrate, electrodes(13) formed on the insulating layer, a nano material(14) provided between the electrodes, a voltage supplier(2) applying signal voltage between the electrodes, and an electrical characteristic measuring apparatus(3) for measuring the resistance variation. A method for improving sensitivity of the gas sensor comprises a step for adjusting the voltage applied between the electrodes over the specific level through adjustment of Schottky barrier between the electrode and the nano material at the normal temperature and normal pressure in order to maximize the reaction of specific gas about nanotube.
Patent KR-20090009059-A (KR)
Title: Test terminal board for watt-hour meter
Inventor: KIM DONG SOO
IPC: G01R11/04
Filed: 2007-07-19
Abstract: The testing terminal part for the watthour meter is provided to prevent the potential transformer from being damaged by misusing one wire among the voltage wires as the current wire in which is can prevent. The voltage connection confirmation device of phase confirms the wiring of the watthour meter(60) and potential transformer(30). The current wiring confirmation device of phase confirms the wiring of the watthour meter and current transformer. The overcurrent cut part of phase blocks the voltage circuit if the excess current flows toward the watthour meter from the potential transformer. The voltage circuit and voltage connection confirmation device of the watthour meter are connected to the output end of the potential transformer through the overcurrent cut part. The current circuit and current wiring confirmation device of the watthour meter are connected to the output end of the current transformer.
Patent KR-20090009472-A (KR)
Title: Brush for generator
Inventor: SHIN KI CHEOL
IPC: H02K13/00
Filed: 2007-07-20
Abstract: A brush for generator is provided to determine abrasion and replacement time of the brush easily by including a replacement time display unit confirming wear condition with visual or tactility. A brush for a generator comprises a brush body and a replacement time display unit(200). The brush body is made of carbon material. The replacement time display unit is formed at the surface of the brush body. A '-' shaped good limit groove(210), a '-' shaped attention limit groove(212) and a '-' shaped replacement limit groove(214) is the lower part of the brush body, it successively is formed with the top. The '-' shaped good limit groove indicates the good wear condition of the brush body. The '-' shaped attention limit groove indicates the attention toward the wear condition of the brush body. The '-' shaped replacement limit groove indicates the need of the brush replacement. Each printing layer is formed in the good limit groove, the attention limit groove and replacement limit groove.
Patent KR-20090010343-A (KR)
Title: Water purifier
Inventor: KIM DAE JUNG
IPC: B01D35/00
Filed: 2007-07-23
Abstract: A water-cleaner is provided to be very clean and hygienic by maintaining a state that is shut tightly in order to prevent the contamination by the foreign body by an opening and shutting door when in unused and sterilizing a shut-off cock. A reentrant space(110) is formed on a front side of a main body(100). One or two cold and hot water shut-off cocks(120b) are formed at upper of the reentrant space. A drain-pan(130) for receiving water fallen from the shut-off cock or supporting cups is formed at a bottom of the reentrant space. An opening and shutting door(200) is formed in order to open and close the reentrant space of the main body and covers the shut-off cock and a drain-pan. A rotation axis(210) is built up at a lower center and axis-combined in both side of the reentrant space.
Patent KR-20090011653-A (KR)
Title: Method for manufacturing textile and textile fabric manufactured by thereof
Inventor: HWANG TAE KYO
IPC: D03D15/00
Filed: 2007-07-27
Abstract: A method for manufacturing textile is provided to make a form of the textile densely without tension in a drying process and a thermal process. A method for manufacturing textile comprises next steps. Nylon yarn or polyester yarn is to be warp thread. Twined rayon yarn is to be weft thread. And by using the thread, grey fabric is manufactured(S1). The manufactured grey fabric is dipped in water and impurities and foreign material are removed. The fabric taken out of water is dried without giving tension in a pre-process(S2). The pre-processed fabric is treated with heat while winding the fabric(S3). The heat-treated fabric is dyed(S4). The dyed fabric is dried without giving tension(S5). And the fabric is washed, dehydrated, and treated with heat secondly(S6).
Patent KR-20090012524-A (KR)
Title: Door hinge
Inventor: RA KI SU
IPC: E05D11/00
Filed: 2007-07-30
Abstract: A door hinge is provided to regulate the location of a door simply even if a doorframe and a door do not make interference with each other, a door is not damaged and a hinge is not separated completely from a doorframe. A door hinge comprises a vertical member(110), a connection piece(112) extended horizontally from one end of the vertical member, a horizontal member(120) fixed to be rotatable at one end of the connection piece and provided with a groove at the upper part, and a sliding member(130) placed to be slidable in the groove of the horizontal member and provided with a through hole(111) corresponding to a slot formed on the bottom of the groove.
Patent KR-20090016855-A (KR)
Title: Method for fabricating semiconductor device
Inventor: OH SANG ROK
IPC: H01L21/336
Filed: 2007-08-13
Abstract: A semiconductor device fabricating method is provided to improve stability and reliability of a semiconductor device by solving wedge deformity and pinhole defect. A gate insulating film(22) is formed on a substrate(21). A gate conductive film is formed on the gate insulating film. A diffusion barrier and a gate metal film(24) are successively formed on the gate conductive film. The gate metal film has the laminated structure of a CVD tungsten film(24B) and a PVD tungsten film(24A). A gate hard mask film is formed on the gate metal film. A hard mask film is formed on the gate hard mask film. A photoresist pattern is formed on the hard mask film. The hard mask film is etched and a hard mask film pattern is formed. A part of the gate hard mask film, the gate conductive film and gate metal film is etched by using the hard mask film pattern as an etching barrier. A capping film is formed in the substrate. An anisotropic etching process is performed and a gate conductive film is etched. An oxidation process is performed and a protective film(29) is formed in the side wall of the exposed gate conductive film(23B).
Patent KR-20090022942-A (KR)
Title: Cargo containment system of lng ship and construction method thereof
Inventor: LEE DAI GIL
IPC: B63B25/16
Filed: 2007-08-31
Abstract: A cargo containment system for a LNG(liquefied natural gas) transport ship is provided to reduce thermal stress caused by the LNG and prevent a barrier from being damaged by flow of the LNG. A cargo containment system for a LNG(liquefied natural gas) transport ship comprises the following units. A first barrier layer(10) wherein a LNG is loaded is linked with a plurality of metal plates(12). A first insulation layer(20) forms a first insulation material fixed on an external of the first barrier layer. A second barrier layer(30) fixed on an external of the first insulation layer has a curved part.
Patent KR-20090023812-A (KR)
Title: Residual quantity indication printer of betting ticket for horse racing and the residual quantity indication print method of betting ticket for horse racing using the printer
Inventor: JEON BYOUNG SE
IPC: B41J29/00
Filed: 2007-09-03
Abstract: A residual quantity indication printer of a betting ticket for horse racing and a residual quantity indication print method of a betting ticket for horse racing using the printer are provided to display the residual quantity of betting tickets for horse racing before the betting tickets reach an end portion of a betting ticket printer. A digital inkjet printer(20) is installed at an upper portion of a feeding unit. In the process of identifying a sensor, the digital inkjet printer identifies a sensor mark printed in black color at an outer portion of a gold and red line in both edges portions which are placed at a certain length from the ends of a printed betting ticket for horse racing. The printer prints out an initial residual indication mark, which indicates a certain length residual from the end of the betting tickets, with UV ink.
Patent KR-20090023884-A (KR)
Title: Apparatus and method for positioning in wireless communication system
Inventor: HWANG SUK SEUNG
IPC: H04B7/26
Filed: 2007-09-03
Abstract: A location estimating apparatus in a wireless communication system and a method thereof are provided to estimate the location of a terminal without error even in case a repeater is installed. A terminal receives information required for measuring a position from a base station(1001), determines whether the location measurement is needed(1003), checks whether signals received from a repeater exist by performing the IFFT(Inverse Fast Fourier Transform) and inspecting the subcarrier values of a specific band(1005), and then determines a measurement mode according to the information required for measuring a position and the existence of the repeater(1007). The terminal obtains at least one TDOA value by measuring the TDOA according to the determined measurement mode(1009).
Patent KR-20080026495-A (KR)
Title: Method and system for an extended range ethernet line code
Inventor: XINHUA YU
IPC: H04L12/20
Filed: 2007-09-15
Abstract: A method and a system for an extended range ethernet line code are provided to minimize redundancy of line codes to extend ranges of operations. A local physical layer(PHY) converts ethernet MII(Media Independent Interface) data from 4-bit packet streams into 3-bit packet streams. The 3-bit packet streams of the MII data are mapped to one or more ternary bits streams for communication to a remote physical layer through one or more twisted-pair wires. The one or more ternary bits streams include the first and second ternary bits streams. Communication is made to the remote physical layer by using PAM(Pulse Amplitude Modulation)-3. The 3-bit packet streams are scrambled before being mapped. The 3-bit packet streams are aligned during mapping.
Patent KR-20080031647-A (KR)
Title: Solid-state imaging device and electronic device
Inventor: SATO MAKI
IPC: H01L27/146
Filed: 2007-10-04
Abstract: A solid-state imaging device and an electronic device are provided to prevent the white-state generation caused by electrolysis concentration, and prevent the conversion efficiency decrease caused by capacitance increase of a floating diffusion part, also to realize miniaturization. A solid-state imaging device comprises a plurality of pixels(2) and a peripheral circuit part(3). A deep p-well(21) is formed on a first conductive semiconductor substrate(4) of each pixel, and a photodiode(PD)(5), a transfer transistor(6) and a reset transistor(7) are formed above the p-well. A device isolation unit(8) such as STI or LOCOS is formed at the outside where the photodiode and the reset transistor are located at an interval. An extension implantation area(25a) of the transfer transistor is doped with a concentration which is different from the extension implantation area(35) of the peripheral circuit part and the extension implantation area of another transistor within the pixel. Wherein, the concentration of the extension implantation area of the transfer transistor is set to the lower concentration. The impurity concentration of the extension implantation area which is positioned at a side of the transfer transistor of the SD implantation area(26a) corresponding to a floating diffusion part(FD) is set to the lower concentration, thereby reducing electric field strength and restraining the white-state phenomenon.
Patent KR-20090034629-A (KR)
Title: Storage device including write buffer and method for controlling thereof
Inventor: YIM KEUN SOO
IPC: G06F9/06
Filed: 2007-10-04
Abstract: A storage unit including a write buffer and a control method for improving write hit rate are provided to improve the writing rate of a storage unit by performing write operation in a write buffer. A storage unit comprises a write buffer(110), a storage media(120) and a locality filter part. The locality filter part determines the locality of data corresponding to the input- output operation request received from the host. According to the locality filter section is the locality of data, the input- output operation request is performed in the write buffer or the storage media. The locality filter section is implemented as the embedded software of the storage unit.
Patent KR-20090035887-A (KR)
Title: Mechanical phase separator of cryogenic liquefied gas
Inventor: LEE HYUN CHEOL
IPC: F25J3/00
Filed: 2007-10-08
Abstract: A mechanical phase separator of cryogenic liquefied gas is provided to prevent exhaustion of inside liquid while maintaining pressure uniformly and to control configuration pressure of a pressure regulator. A mechanical phase separator of cryogenic liquefied gas comprises the followings: an inner vessel(2) storing the cryogenic liquefied gas flowed through a suction pipe(140) and an outer vessel(1); a liquid feeding line(401) supplying the separated liquid in the inner vessel; a floater(210) elevated according to height of a liquid surface and installed on an upper side of the inner vessel; a vapor exhaust valve(240) discharging or blocking gas in the inner vessel; and a liquid level adjustment part(200) controlling a liquid level in the inner vessel.
Patent KR-20070104874-A (KR)
Title: Storage device
Inventor: TOYAMA MASAYUKI
IPC: G06F12/02
Filed: 2007-10-10
Abstract: A storage device is provided to control a large storage medium such as a flash memory capable of data rewriting by using a compact control circuit and access data written in the large storage medium at a high speed. A non-volatile memory(2) includes physical blocks. A logical block manager sets the physical blocks selected from the non-volatile memory to a physical write block, manages a unit area dividing the physical write block into each page over the physical blocks as a logical block, and allocates a logical address to the logical block. An address controller(5) specifies a storage position of the logical block based on the logical address. A data reader/writer writes and reads data from the non-volatile memory according to specification of the address controller. If a write request and the logical address are received from a data I/O(Input/Output) device(7), the logical block manager generates link information representing connection of the pages forming the logical block among the physical write blocks by determining the logical block as the physical write block and writes the link information to the non-volatile memory.
Patent KR-20090038261-A (KR)
Title: 자전거 핸들에 부착하는 완력기
Inventor: PARK YU EUN
IPC: A63B23/16
Filed: 2007-10-15
Abstract: 본 제품은 기존 자전거의 보조핸들에 완력기를 부착하여 손 운동을 따로 하지 않고도 좀 전 자전거를 타면 발 운동만 하는 것을 이 제품을 보조핸들 대신 부착하여 자전거를 타면서 발 운동과 손 운동을 동시에 할 수 있다. 
     
     완력기, 고정고리
Patent KR-20090039514-A (KR)
Title: Construction method for pavement
Inventor: LEE KWANG HO
IPC: E01C7/26
Filed: 2007-10-18
Abstract: A heat intercepting road pavement method is provided to facilitate maintenance by completing construction by the paint and the coating of the hollow material. A heat intercepting road pavement method is composed of a step for forming a first coated layer(100) by coating the mixed material on a road pavement(10) after mixing hollow ceramics having small sized particles and paint, and a step for forming a second coated layer(200) by coating hollow ceramics having middle sized particles. The hollow ceramics having small sized particles have particles formed at the size less than 30micrometers, and the hollow ceramics having middle sized particles have particles formed at the size of 80-100micrometers. The thickness of the first coated layer is 0.5mm or less, and the thickness of the second coated layer is 1mm or less.
Patent KR-20090043096-A (KR)
Inventor: KIM HO SUP
IPC: C23C14/54
Filed: 2007-10-29
Abstract: 본 발명은 조성 경사형 박막에 관한 것으로, 진공챔버 내부에 다수개의 박막 증착장치가 구비되어 이종의 물질을 조성으로 하는 박막이 동시에 기판 상면에 증착되되, 상기 박막은 이종의 물질 성분이 기판에 도달하는 경로 상에 형성된 증착영역제어판에 의해 박막의 두께에 따라 경사적으로 형성된 것을 특징으로 하는 조성 경사형 박막을 그 기술적 요지로 한다. 이에 따라, 이종의 물질을 다양한 증착장치를 이용한 동시 증착에 의해 박막의 두께에 따라 이종의 물질의 조성이 경사적으로 변화하도록 하여 박막의 물성 제어가 용이하고 증착 공정 수의 감소로 시간 절감 및 제조원가의 감소를 통한 경제성이 확보된 조성 경사형 박막을 제공할 수 있는 이점이 있다. 
       
     조성 경사형 동시증착 초전도 선재 완충층
Patent KR-20090043173-A (KR)
Inventor: KIM JAE WAN
IPC: H04L29/02
Filed: 2007-10-29
Abstract: 참조신호용 심볼 배치 방법, 서브 프레임 구조를 이용한 신호 송신 방법 및 그 서브 프레임 구조가 제시된다. 본 발명의 일 실시 예에 따른 서브 프레임 구조는 서브 프레임의 제1슬롯 및 제2슬롯에서 선택된 하나 이상의 시간 축 상의 위치에 대해, 선택된 위치마다 서로 다른 서브 캐리어에 배치된 공용 참조신호용 심볼들, 및 상기 제1슬롯 및 제2슬롯에서 상기 공용 참조신호용 심볼들의 시간 축 상의 위치와 다른 하나 이상의 위치에 대해, 상기 다른 위치마다 상기 공용 참조신호용 심볼들의 주파수 축 상의 위치와 동일하게 배치된 전용 참조신호용 심볼들을 포함한다. 본 발명에 의하면, 전용 참조신호를 슬롯 단위 또는 서브 프레임 단위로 할당하여 빔포밍을 수행할 수 있고, 코드북만을 적용할 경우 전용 참조신호를 순방향 신호 전송용으로 사용할 수 있으며, 기존 공용 참조신호 오버헤드를 줄이는 대신 전용 참조신호를 증가시킴으로써, 전체 오버헤드를 유지하면서 빔포밍을 위한 채널추정능력을 향상시킬 수 있다. 
     
     전용 참조신호, 심볼 매핑, 서브 프레임 구조
Patent KR-20090044222-A (KR)
Inventor: CHOI YOUNG BIN
IPC: H04N5/44
Filed: 2007-10-31
Abstract: 영상기기 및 그의 영상신호 수신방법이 개시된다. 본 영상기기는 특정 영상신호만을 입력받기 위한 전용입력단자 및 특정 영상신호뿐만 아니라 다른 영상신호도 입력받을 수 있는 공용입력단자를 구비하며, 각 입력단자들을 통해 입력되는 영상신호의 포맷을 판단하여 화면에 표시한다. 이에 따라 입력단자의 수를 줄이고, 사용자가 공용입력단자에 입력된 영상신호의 포맷을 확인할 수 있게 된다. 
       
     영상신호, 입력단자, 공용입력단자, 전용입력단자
Patent KR-20090050439-A (KR)
Inventor: JANG HOON
IPC: G02F1/133
Filed: 2007-11-15
Abstract: 본 발명은 액정표시장치에서 백라이트 구동장치인 인버터의 구동주파수를 랜덤하게 하여 잔물결 노이즈의 시인성을 줄이는 기술에 관한 것이다. 이러한 본 발명은, 일련의 난수를 발생시키는 난수 발생기와; 상기 난수발생기에서 발생되는 난수를 근거로 랜덤한 형태의 램프구동주파수를 결정하는 램프구동주파수 결정부와; 버스트 디밍 주파수에 동기하여, 상기 램프구동주파수 결정부에서 결정된 주파수의 펄스폭변조신호를 생성하는 펄스폭변조신호 발생부와; 상기 펄스폭변조신호를 디밍 방식에 맞춰 출력하는 펄스폭변조신호 제어부를 포함하여 구성된 인버터회로에 의해 달성된다. 
       
     잔물결노이즈, 시인성, 램프구동주파수
Patent KR-20090050682-A (KR)
Title: 운전석 에어백 모듈과 스티어링 휠의 장착구조
Inventor: KWON OH KOANG
IPC: B60R21/20
Filed: 2007-11-16
Abstract: 본 발명은 운전석 에어백 모듈을 스티어링 휠에 탈거 용이하도록 장착하기 위한 운전석 에어백 모듈과 스티어링 휠의 장착구조에 관한 것이다. 
     특히 본 발명은 운전석 에어백 모듈이 스티어링 휠에 장착될 수 있도록 운전석 에어백 모듈에 구비된 적어도 하나의 제1장착부와; 상기 스티어링 휠에 회동 가능토록 설치되어 상기 제1장착부와 착탈될 수 있는 적어도 하나의 제2장착부와; 상기 제2장착부와 상기 제1장착부의 결합 상태가 유지될 수 있도록, 상기 제2장착부에 탄성 저항력을 부여하는 적어도 하나의 탄성부재를 포함하는 것을 특징으로 하는 운전석 에어백 모듈과 스티어링 휠의 장착구조를 제공한다. 
       
     에어백, 스티어링 휠, 운전석 에어백, 혼 스위치
Patent KR-20090051893-A (KR)
Inventor: LIM HYUN JU
IPC: H01L21/28
Filed: 2007-11-20
Abstract: 실시예는 하드마스크를 이용하여 금속 배선을 형성하는 방법을 제공한다. 실시예에 따른 금속 배선 형성 방법은, 하부 절연막 상에 순차적으로 제 1 배리어막, 금속막, 제 2 배리어막을 형성하는 단계, 상기 제 2 배리어막 상에 하드 마스크를 형성하는 단계, 상기 하드 마스크를 마스크로 상기 제 2 배리어막, 상기 금속막을 식각하여 상기 제 1 배리어막의 일부를 노출시키는 단계, 상기 하드 마스크를 제거하는 단계 및 상기 노출된 제 1 배리어막을 식각하는 단계를 포함한다. 실시예는 상기 금속 배선 상에 형성되는 층간 절연막의 매립 마진을 확보할 수 있으며 보이드 발생을 줄이고 불량 발생을 저감하는 효과가 있다. 
       
     하드 마스크, 알루미늄 배선
Patent KR-20090052740-A (KR)
Inventor: PARK HEE JU
IPC: H02J7/04
Filed: 2007-11-21
Abstract: 휴대용 충/방전 장치가 개시된다. 입력 포트 및 출력 포트를 포함하는 휴대용 충/방전 장치는 상기 입력 포트와 상기 출력 포트 사이에 접속된 저항 회로, 상기 저항 회로와 병렬로 접속된 스위치, 상기 저항 회로 양단에서 발생한 제1전압과 제2전압의 차이에 기초하여 발생한 출력 신호에 기초하여 상기 제1전압을 이용하여 발생한 전압을 제1제어신호로서 출력하기 위한 비교 회로, 상기 제1제어 신호에 응답하여 스위칭되는 스위칭 회로, 상기 입력 포트와 상기 스위칭 회로의 출력 단자 사이에 접속된 표시부, 및 상기 출력 포트와 접지 라인 사이에 접속된 배터리 부를 포함한다. 
       
     휴대용 충/방전 장치