baber/WOPTO huggingface dataset:
Patent KR-20160049093-A (KR)
Inventor: PARK DONG WHA
IPC: C01B35/08
Filed: 2014-10-24
Abstract: The present invention provides a preparation method of cubic boron nitride nanopowder by using thermal plasma jet. The preparation method comprises steps of: supplying gas for generating thermal plasma jet to generate the thermal plasma jet (step 1); supplying powder in which boron oxide and melamine are mixed with the thermal plasma jet generated in the step 1 through an anode nozzle in a torch, thereby vaporizing the powder (step 2); injecting reactive gas into a reactor of the thermal plasma jet (step 3); and cooling the powder vaporized in the step 2 (step 4). Also, according to the present invention, the cubic boron nitride nanopowder may be quickly prepared by a thermal plasma treatment of the powder in which the boron oxide and the melamine are mixed.
Patent KR-20160049777-A (KR)
Inventor: JANG HYO CHUL
IPC: G06Q30/04
Filed: 2014-10-28
Abstract: A real time tax invoice system and a method thereof for a business freight truck owner are provided. The real time tax invoice system according to an embodiment of the present invention comprises: a freight truck owner smartphone comprising a text recognition module to automatically recognize a list of tax invoice details containing an address, a business registration number and a type of business from a freight owner′s text message, a tax invoice issuance module to automatically generate a tax invoice by inputting the list tax invoice details automatically recognized in the text recognition module, a receipt photography module to photograph a receipt of a freight recipient, and a 3G/4G transmitter module to transmit the tax invoice automatically generated in the tax invoice issuance module and the receipt photographed in the receipt photography module to a post office terminal or a delivery service terminal; and a mail delivery agent terminal to receive the tax invoice and receipt from the freight truck owner smartphone and automatically print out the tax invoice and receipt to deliver the same to the freight truck owner by mail. According to the present invention, freight truck owners who do not have time to issue a tax invoice can claim for a freight fee in real time, preventing delay of issuance by transmitting a tax invoice and a receipt to a terminal of the post office or a delivery service provider by using a business truck owner smartphone and by allowing mail delivery agent terminal to automatically print out the tax invoice and receipt without the business trucker owner′s visit to the post office.
Patent KR-20160051960-A (KR)
Inventor: JUNG YOUNG DO
IPC: H04R25/00
Filed: 2014-10-30
Abstract: The present invention relates to a package for artificial cochlear with an improved structure that is capable of sensing sounds of frequencies across a wide range. The package for artificial cochlear comprises a housing, an artificial vibrating membrane, an artificial basilar membrane, and a pipe. The housing stores fluid inside. The artificial vibrating membrane is installed to vibrate in response to external sound. The artificial basilar membrane inside the housing detects vibrations of the fluid caused by the vibration of the artificial vibrating membrane, and differentiates according to frequency ranges thereof, then converts the differentiated frequencies into electrical signals and transmit the same. The pipe is disposed outside the housing, and connected to the inside of the housing.
Patent KR-20160053344-A (KR)
Title: Each wheel control system and a control method of the independently rotating wheel bogie for railway vehicle in the curved
Inventor: PARK CHAN BAE
IPC: B61F3/16
Filed: 2014-11-03
Abstract: The present invention relates to a curved section wheel controlling system of an each wheel-driving independent wheel bogie of a railway vehicle capable of independently controlling the speed of left and right wheels with respect to an operating direction when the railway vehicle is operated, and a control method thereof and, more specifically, to a curved section wheel controlling system of an each wheel-driving independent wheel bogie of a railway vehicle applied with a permanent magnet synchronous motor (PMSM), and a control method thereof. As described above, the curved section wheel controlling system of an each wheel-driving independent wheel bogie (100) of a railway vehicle comprises: a route information unit storing predetermined route data; an upper control unit calculating the required rotation speed of each wheel in a radius section of a curved track corresponding to the route data; and an inverter unit for driving controlling the speed of wheels by receiving a rotation speed control signal of each wheel calculated by the upper control unit.
Patent KR-20160055567-A (KR)
Inventor: LEE JEONG SEOK
IPC: H04L12/12
Filed: 2014-11-10
Abstract: The present invention relates to a small-sized remote multi-control device, and more particularly to a small-sized remote multi-control device provided along with a control target apparatus remotely disposed, which detects an erroneous operation of the control target apparatus and resets the control target apparatus, thereby restoring the control target apparatus to a normal state. The small-sized remote multi-control device according to the present invention comprises: a power unit which receives power from the outside, and in which at least one power terminal block is provided to output power to at least one control target apparatus connected to the power terminal block; a communication unit which transmits and receives power control determination data to turn on and off power of the control target apparatus and the power terminal block; and a control unit which controls the power terminal block of the power unit to be selectively turned off and then turned on so as to reset the control target apparatus, when the control target apparatus is determined to malfunction, by using power control determination data transmitted to and received from the communication unit.
Patent KR-20140148357-A (KR)
Inventor: LEE HO JAE
IPC: G09F1/06
Filed: 2014-11-12
Abstract: The present invention relates to a triangular advertising stand using a plastic corrugated cardboard. More specifically, the plastic corrugated cardboard, which is light and strong, is folded in the shape of a triangular tube; and an end portion of one side of the triangular advertising stand is formed to be attachable and detachable by an attaching and detaching means. The triangular advertising stand can be detachably installed on an outer side of a post such as a street tree, a telephone pole, and a lamp post. A foldable line for reducing the volume of the triangular advertising stand is formed on one of three advertising sides of the triangular advertising stand. Therefore, the triangular advertising stand is folded to be flat and thus can be easily moved and stored. An attachment part (4) is formed in a certain width on an end portion of one side of the plastic corrugated cardboard; the corrugated cardboard is formed to be folded by a corner folding line (2); and attaching and detaching means (5), which can be attached to and detached from each other, are individually attached on each end portion of an advertising side (3).
Patent KR-20160057797-A (KR)
Inventor: KIM JONG HYUN
IPC: A62C3/10
Filed: 2014-11-14
Abstract: The present invention relates to an internal fire extinguishing system of a ship to perform oil fire fighting and to prevent secondary equipment damage by applying a thermal oil boiler and an economizer fire extinguishing system using carbon dioxide as a fire extinguishing agent in place of a prior water spraying fire extinguishing system using clean water. Suggested is the internal fire extinguishing system of the ship, including an engine room comprising: a fire extinguisher tank where carbon dioxide powder or solution capable of being sprayed during fire breakout is stored; a main control valve to control the sprayed carbon dioxide powder or solution finally while being connected to a pipeline of the fire extinguisher tank; and a safety valve to discharge high pressure of the fire extinguisher tank out of the tank when the high pressure occurs in the fire extinguisher tank; an economizer which is connected to the engine room, and heats the thermal oil up to a required temperature using an exhaust gas as a heat source; a thermal oil boiler which is connected to the engine room, and heats the thermal oil up to the required temperature using a heat source generated by burning the thermal oil; a fire detector which is installed at each of the economizer and the thermal oil boiler, and detects fire breakout of facilities; a subsidiary control valve which is connected to the pipeline of the economizer and the thermal oil boiler respectively, and opens a corresponding valve in case a fire is detected from the fire detector; and a control part which controls the main control valve and the subsidiary control valve collectively, and opens or closes a valve of the carbon dioxide powder or solution sprayed locally.
Patent KR-20160058336-A (KR)
Inventor: YEUM JEONG HYUN
IPC: A61K8/11
Filed: 2014-11-14
Abstract: The present invention relates to a method for preparing UV-protecting nanocapsules comprising Poria cocos extract. Particularly, the present invention relates to a method for preparing UV-protecting nanocapsules comprising Poria cocos extract, which has safety to the skin by inhibiting contact dermatitis and shows improved dispersibility of titanium dioxide nanoparticles.
Patent KR-20150110281-A (KR)
Inventor: KIM SOENG HUN
IPC: H04W16/32
Filed: 2014-11-25
Abstract: The present invention relates to an operation method of a terminal in a mobile communications system supporting a plurality of carriers, the invention including the steps of: inspecting, upon detecting an instruction of bearer reset, whether the bearer reset pertains to a secondary cell group (SCG) or to a multiple bearer; and performing, based on the inspection result, an operation of reporting a state of the packet data convergence protocol (PDCP).
Patent KR-20160064810-A (KR)
Inventor: JEONG JONG HOI
IPC: H04N7/18
Filed: 2014-11-28
Abstract: The present invention relates to a photovoltaic trash bin with an advertisement function and, more specifically, relates to a photovoltaic trash bin with an advertisement function capable of efficiently performing advertisement with a simple appearance, the advertisement profiting, and generating electricity using solar light. The photovoltaic trash bin with the advertisement function comprises: an advertisement panel installed in a support frame to perform advertisement; a trash bin to collect trash; and a photovoltaic power unit supplying power. The advertisement panel, the trash bin, and the photovoltaic power unit are integrally supported; and the photovoltaic trash bin with the advertisement function is able to be environmentally friendly and economical by not requiring a separate external power to light a night advertisement panel.
Patent KR-20160069007-A (KR)
Title: Lamp for smart device
Inventor: AN JONG UK
IPC: F21L14/00
Filed: 2014-12-05
Abstract: The present invention relates to a lamp for a smart device capable of being controlled by the smart device. The lamp for the smart device comprises: a light source unit which changes colors and illumination; a communications unit which receives a control command from the smart device; a control unit which controls the colors and the illumination of the light source unit according to the control command received to the communications unit; and a power input unit which receives power from the smart device, and supplies the power to the lamp for the smart device. The lamp for the smart device is provided to easily control a direction when the lamp is installed in the smart device; and conveniently control the colors and the illumination, thereby being used as a reading lamp, a mood lamp, or a bling-bling lamp and photographing a space at night by using a camera positioned on a side having on flash in the smart device.
Patent KR-20160071036-A (KR)
Title: Apparatus and method for managing data
Inventor: PARK KYUNG DONG
IPC: G06F17/30
Filed: 2014-12-11
Abstract: The present invention relates to an apparatus and a method for managing data and, more particularly, to an apparatus and a method for managing data by which a correction history of operation data used in surface mounting technology (SMT) equipment is managed and restored. An apparatus for managing data according to an embodiment of the present invention includes a reception unit that receives a correction instruction of an operation file used in a surface mounting technology (SMT) line; and a data correction unit that corrects operation data corresponding to the correction instruction among at least one operation data constituting the operation file and corrects the operation file such that the name of the apparatus generating the correction instruction or the source of the correction instruction is displayed.
Patent KR-20160072514-A (KR)
Title: nitride-based transistor having dislocation preventing pattern layer
Inventor: TAKEYA MOTONOBU
IPC: H01L29/78
Filed: 2014-12-15
Abstract: A nitride-based transistor according to one embodiment comprises: a first nitride-based semiconductor pattern layer doped as a first type; a second nitride-based semiconductor pattern layer doped as a second type which surrounds the first semiconductor pattern layer; an inhibiting insulating dislocation pattern layer located on a lower surface of the second semiconductor pattern layer; a third nitride-based semiconductor pattern layer doped as the first type which surrounds the second semiconductor layer and the inhibiting insulating dislocation pattern layer; and a gate dielectric layer located on at least the surface of the second semiconductor pattern layer and a gate electrode layer. The surface of the first pattern layer or third pattern layer is located on the same plane. When the transistor turns on, a conductive carrier is conducted from the first semiconductor pattern layer to the third semiconductor pattern layer through a conductive channel layer formed within the second semiconductor pattern layer in a lower part of the gate dielectric layer.
Patent KR-20160074055-A (KR)
Inventor: CHO JIN KUK
IPC: B60W20/00
Filed: 2014-12-18
Abstract: The present invention relates to a system and a method for controlling the torque of a generator of a hybrid vehicle, and more specifically, to a system and a method for controlling the torque of a generator of a hybrid vehicle and preventing an explosion during impact from being transferred to a chassis when an initial explosion occurs during the drive of an engine. The system for controlling the torque of a generator of a hybrid vehicle comprises a hybrid control unit (HCU) controlling the torque of the generator when the engine is driven by the generator. The HCU comprises: a speed controller calculating the primary engine target torque for driving the engine; and a disturbance observing device calculating disturbance offset torque for removing a disturbance element included in the primary engine target torque. A value obtained by adding the primary engine target torque to the disturbance offset torque is converted to determine the generator target torque where the disturbance element is removed.
Patent KR-20160077253-A (KR)
Title: Organic electroluminescent device
Inventor: LIM MYUNG GI
IPC: H01L51/50
Filed: 2014-12-22
Abstract: An organic electroluminescent device according to an embodiment of the present invention comprises: a display panel to display an image; a timing controller to supply a gate driving signal, a source driving signal and a gray-scale voltage; a gate driving unit and a source driving unit to provide the gate driving signal and source driving signal, respectively, to the display panel; a power supply unit to supply a first voltage to the source driving unit; and a gray-scale voltage control unit controlling the power supply unit to convert the first voltage into a second voltage corresponding to the gray-scale voltage and provide the second voltage to the source driving unit. The organic electroluminescent device is capable of reducing heating and power consumption of the source driving unit and the gray-scale voltage control unit by controlling a control voltage supplied to the source driving unit and the gray-scale voltage control unit.
Patent KR-20160077596-A (KR)
Title: cutter knife having torsion spring to close safety cover
Inventor: JEON JUN SANG
IPC: B26B29/02
Filed: 2014-12-24
Abstract: The present invention provides a cutter knife provided with a safety cover, in order to solve conventional various problems, which attaches the safety cover thereto and connects a torsion spring thereto to make the safety cover go up by friction with a floor when used and to make the safety cover go down again by the torsion spring, thereby being conveniently and safely used even though not using other special tool and not performing special operations. The present invention includes the safety cover attached to a portion where a cutter blade gets out of a case, wherein the safety cover is connected to one side of the case via the torsion spring such that the safety cover automatically goes up by the friction generated by a contact between the safety cover and the floor when used.
Patent KR-20150131929-A (KR)
Title: Antenna module package
Inventor: NA HYEOK HWI
IPC: H01Q1/38
Filed: 2014-12-24
Abstract: The present invention provides an antenna module package comprising: a substrate; at least one wireless charging antenna chip mounted on the substrate, and embedded with a wireless charging antenna. The antenna module package increases a performance of the antenna.
Patent KR-20160080287-A (KR)
Title: Mortar composition comprising rice hull and preparation method thereof
Inventor: KIM JIN MOG
IPC: C04B18/24
Filed: 2014-12-26
Abstract: The present invention relates to a mortar composition comprising chaff, and a manufacturing method thereof. The mortar composition comprising chaff has enhanced flame resistance by being coated with a flame resistant material, and can usefully utilize chaff generated from a rice processing process. Also, the mortar composition comprising chaff adsorbs and disintegrates volatile organic materials and formaldehyde, thereby being useful as an environment-friendly mortar capable of energy conservation, heat storage, antibacterial activity, deodorization, and functionalities such as lightness, incombustibility, sound absorption, and heat storage.
Patent KR-20140031977-A (KR)
Inventor: SAITO YASUHIRO
IPC: B01D24/10
Filed: 2008-05-07
Abstract: 본 발명은 입상의 여과재(112a)를 적층하여 이루어지는 여과층(112)을 내부에 가지는 여과조(101, 201, 301)를 가지고, 공급되는 원액을 상기 여과층(112)에 의해 여과하여 상기 원액 중의 탁질을 제거하고, 정화액을 외부로 배출하는 여과 장치(100, 200.  300)와, 상기 여과 장치(100, 200, 300)의 외부에 장착되어 여과 장치의 상기 여과재(112a)를 세정하는데 사용되는 세정장치(1, 1a, 1b, 1 c)를 구비하는 여과재 세정 시스템을 개시한다.
Patent KR-20140029530-A (KR)
Title: Exposure device and device producing method
Inventor: EBIHARA AKIMITSU
IPC: G03F7/20
Filed: 2004-06-18
Abstract: The present disclosure relates to an exposure apparatus that exposes a substrate with an energy beam via a projection optical system and liquid, the apparatus comprising: 
a first table (TB1) that is movable while the substrate is mounted thereon; 
a second table (TB2) which is movable independently from the first table and on which a substrate is mounted; and 
a drive system that moves the first and second tables with respect to the projection optical system, wherein 
one of the first and second tables is replaced with the other of the first and second tables while maintaining the liquid just below the projection optical system, by moving the first and second tables in a close state below the projection optical system.
Patent KR-20140026645-A (KR)
Inventor: YIM DONG KIL
IPC: H01L29/786
Filed: 2012-06-29
Abstract: 본 개시의 실시예들은 박막 트랜지스터 디바이스들에 형성된 활성 층의 주변 측벽의 우수한 프로파일 제어를 갖는 박막 트랜지스터 디바이스를 제작하는 방법들을 제공한다.  일 실시예에서, 박막 트랜지스터 디바이스를 제조하기 위한 방법은, 기판을 제공하는 단계 ― 기판은 그 기판 상에 형성된 활성 층 상에 배치된 소스-드레인 금속 전극 층을 갖고, 활성 층은 금속 산화물 층임 ―, 소스-드레인 금속 전극 층에 채널을 형성하기 위해, 백-채널-에칭 프로세스를 수행하는 단계, 및 백-채널-에칭 프로세스 후에, 활성 층 패터닝 프로세스를 수행하는 단계를 포함한다.
Patent KR-20140029543-A (KR)
Title: Illuminating optical apparatus
Inventor: TOYODA MITSUNORI
IPC: G02B27/00
Filed: 2004-11-02
Abstract: A light optical device capable of forming a bracelet-form lighting pupil distribution in a peripherally-polarized state with a light quantity loss satisfactorily controlled, the device comprising a light flux conversion element (50) for forming a bracelet-form light intensity distribution on a specified surface based on an incident light flux. The light flux conversion element comprises a first basic element (50A) formed of an optically-rotating material, for forming a first arcuate area distribution based on an incident light flux out of bracelet-form light intensity distribution, a second basic element (50B) for forming a second arcuate area distribution, a third basic element (50C) for forming a third arcuate area distribution, and fourth basic element (50D) for forming a fourth arcuate area distribution. Responsive basic elements have mutually different thickness along the light transmitting direction.
Patent KR-20140051966-A (KR)
Inventor: ALBERS REINHARD
IPC: C08L71/00
Filed: 2012-08-22
Abstract: 본 발명은 적어도 3종의 폴리올 A1a, A1b 및 A1c 및 적어도 1종의 물리적 발포제 T를 포함하는, 이소시아네이트 기재 발포체의 제조를 위한 안정한 에멀젼에 관한 것이며, 여기서 A1a는 에폭시를 탄수화물 및 이관능성 또는 고관능성 알콜로부터 선택된 출발 화합물에 첨가하여 얻은 폴리에테르 폴리올이고, A1b는 방향족 아민으로부터 출발한 폴리에테르 폴리올이고, A1c는 에폭시를 방향족 디카르복실산 유도체 및 이관능성 또는 고관능성 알콜의 에스테르화 생성물에 첨가하여 얻은 폴리에스테르 폴리에테르 폴리올이다.  본 발명은 추가로 상기 에멀젼을 이소시아네이트와 반응시키는 발포체의 제조 방법 및, 그러한 방법으로 수득가능한 발포체 및 절연을 위한 그의 용도에 관한 것이다.
Patent KR-20140056302-A (KR)
Inventor: KODIALAM MURALIDHARAN S
IPC: G06F11/30
Filed: 2012-08-30
Abstract: 사용자들로 광고들을 타깃팅하고 사용자-프로파일 정보의 완전한 이해 없이 서비스-제공자 수익을 최대화하는 광고 배급 및 스케줄링 시스템이 제공된다. 각각의 사용자 디바이스는 사용자 프로파일을 저장하고 타임슬롯 동안 보여질 광고들의 세트가 미리-로딩된다. 각각의 사용자 디바이스는 상기 사용자 프로파일에 기초하여 광고를 선택하고 디스플레이하지만 상기 서비스 제공자에게 상기 선택된 광고를 확인하지 않는다. 대신, 상기 사용자 디바이스들은 상기 서비스 제공자가 특정한 광고를 본 사용자들의 수를 추정하기 위해 보장된-근사화 온라인 알고리즘과 함께 사용하는 불리언 벡터들의 형태의 교란된 사용자-프로파일 정보를 제공한다. 따라서, 상기 서비스 제공자는 상기 사용자들의 프로파일들 또는 개별 사용자들에 의해 시청된 광고들에 대해 알 필요없이 그들의 광고들이 시청되는 횟수들에 대해 광고자들에게 과금할 수 있고, 사용자들은 상기 서비스 제공자로부터 프라이버시를 지키면서 상기 타깃된 광고들을 시청할 수 있다.
Patent KR-20140052063-A (KR)
Inventor: KUO CYNTHIA
IPC: G06F3/04812
Filed: 2012-08-20
Abstract: 멀티 레벨 지도 내의 복수의 층 또는 레벨 상에 위치된 검색 결과 및 다른 관심 지점을 디스플레이하기 위한 방법, 장치, 및 컴퓨터 프로그램 제품이 제공된다.  방법은 검색 기준을 표시하는 입력을 수신하는 단계를 포함할 수 있다.  또한, 방법은 검색 기준에 관련된 적어도 하나의 검색 결과 위치를 판단하는 단계와, 적어도 하나의 검색 결과 위치와 멀티 레벨 지도 사이의 관계를 판단하는 단계를 포함할 수 있다.  또한, 방법은 관계에 적어도 부분적으로 기반하여 지도의 레벨 및 적어도 하나의 검색 결과 위치가 검색 결과 위치 표시자로서 디스플레이되게 하는 단계를 더 포함할 수 있으며, 디스플레이된 검색 결과 위치 표시자는 검색 결과 위치가 어떤 레벨에 위치되는지에 적어도 부분적으로 기반하여 상이한 방식으로 제시될 수 있다.  상응하는 장치 및 컴퓨터 프로그램 제품도 또한 제공된다.
Patent KR-20140074314-A (KR)
Title: 건식 세정 장치의 정상-상태 조건 하에서의 건조 흡수제의 분사방법
Inventor: JANKURA BRYAN J
IPC: B01D46/00
Filed: 2012-09-25
Abstract: 정상-상태 조건 하에서 방출 가스 레벨의 감소방법은 건식 세정 장치의 탈황 시스템용을 개시하고 있다. 건조 수산화 칼슘 분말은 가스 유로에 분사되어 분무 건조 흡수 장치 내에 흐른다. 얻어진 슬러리는 집진기 내에 필터 백에 적층된다. 이것은 연소 공정에서 탈황이 예상보다 일찍 일어날 수 있는 분무 건조 흡수 장치가 달리 작동될 수 있는 것보다 특히 주위 온도에서 냉각 보일러의 시동 중에 저온에서 행해질 수 있다. 보일러의 작동은 다양한 작동 시나리오에 따라 백업, 메이크업, 감소, 또는 증가될 수 있다.
Patent KR-20140078705-A (KR)
Title: 공작 기계
Inventor: OTSUBO TSUTOMU
IPC: G05B19/404
Filed: 2012-10-09
Abstract: 워크 지지 수단(21)의 워크 지지면의 중심 상당 위치(Xw)와 공구 지지 수단(22)의 날끝 상당 위치(Xt) 사이의, 주축 축심(O)에 직교하는 방향(X)의 거리인 워크 중심·날끝간 거리(L)의 변위량(ΔL)을 계측하는 변위 계측 수단(30)을 설치한다. 이 변위 계측 수단(30)은 가공 이동 영역(E)을 피한 영역에 있어서의 워크 지지면의 중심 상당 위치(Xw)와 날끝 상당 위치(Xt) 사이의 연속된 경로(C) 상에 있어서 이 연속된 경로(C)의 변위량을 계측함으로써 상기 변위(ΔL)를 계측한다. 변위 계측 수단(30)은 주축측 및 공구측의 직선 위치 검출 수단(31, 32)으로 이루어진다. 변위 계측 수단(30)의 계측값은 X축 지령값의 보정에 이용한다.
Patent KR-20140074987-A (KR)
Title: 테이프 송출 장치 및 테이프 재봉 부착 장치
Inventor: SAKAI KATSUAKI
IPC: B65H35/06
Filed: 2012-10-03
Abstract: 본 발명의 테이프 송출 장치는, 1개의 모터(M1)와, 테이프(T)의 송출방향으로 간격을 두고 배치되며, 테이프(T)에 가압 접촉하여 테이프(T)를 이송하는 2개의 롤러(381,382)와, 2개의 롤러(381,382)의 회전축을 각각 회전 가능하게 유지하는 홀더(383)와, 홀더(383)를 끼고 2개의 롤러(381,382)와 반대측에 있어서 1개의 모터(M1)의 구동축의 회전 동력을 2개의 회전축에 전달하는 동력 전달 기구(39)와, 홀더(383)를, 2개의 롤러(381,382)의 사이를 지점으로 하여 요동시켜, 2개의 롤러(381,382)의 일방(一方)만을 선택적으로 테이프(T)에 가압 접촉시키는 롤러 전환 기구(330)를 구비한다.