baber/WOPTO huggingface dataset:
Patent KR-20100049638-A (KR)
Title: Sputtering apparatus
Inventor: OISHI YUICHI
IPC: C23C14/35
Filed: 2008-08-27
Abstract: Provided is a sputtering apparatus which substantially uniformly supplies a reaction gas to the entire surface of a substrate, makes film qualities, such as film thickness distribution and specific resistance value, substantially uniform over the entire surface of the substrate and has a simple constitution. The sputtering apparatus is provided with a plurality of targets arranged in parallel at prescribed intervals in a sputter chamber, a sputter power supply (E) for supplying each target with power, and a gas introducing means for introducing a sputter gas and the reaction gas into the sputter chamber. The gas introducing means for introducing the reaction gas has at lest one gas supply tube. The gas supply tube is arranged on the rear side of targets arranged in parallel, by being separated from the targets, and is provided with a jetting port for jetting the reaction gas. The sputtering apparatus has an adjusting means (9) for adjusting the flow quantity of the reaction gas which flows through gaps between the targets.
Patent KR-20100065322-A (KR)
Title: Material with photocatalytic properties
Inventor: BESSON SOPHIE
IPC: C03C4/12
Filed: 2008-09-09
Abstract: The invention relates to a material comprising a substrate covered over at least a part of at least one face thereof by a coating comprising photocatalytic titanium oxide, characterised in that said substrate and/or a coating arranged between said substrate and said coating comprising photocatalytic titanium oxide has at least one compound which can convert radiation the wavelength of which is in the visible range, or the infrared range into a radiation the wavelength of which is in the ultraviolet range.
Patent KR-20100057085-A (KR)
Title: Composite deck system
Inventor: COLLINS HARRY
IPC: E04B5/40
Filed: 2007-10-15
Abstract: A composite deck system having a deck component and a concrete component. The deck component of the present invention includes deck sections, each having a longitudinally-extending rib with spaced apart sidewalls connected to a top wall. At the opposing ends of the sidewalls can be included side edges or webs having upturned flanges with an opening or openings along the flanges that are dimensioned to facilitate composite action between the deck sections and the concrete. The system includes a first deck section, as described, adjacent to a second deck section, wherein the side edges of the first and second deck sections are in juxtaposed relation. These deck sections can be combined with concrete to form a composite deck.
Patent KR-20100063125-A (KR)
Title: Method and apparatus for recognizing radio link failures associated with hsupa and hsdpa channels
Inventor: TERRY STEPHEN E
IPC: H04B7/26
Filed: 2006-02-06
Abstract: A method and system for detecting radio link (RL) failures between a wireless transmit/receive unit (WTRU) and a Node-B are disclosed. When signaling radio bearers (SRBs) are supported by high speed uplink packet access (HSUPA), an RL failure is recognized based on detection of improper operation of at least one of an absolute grant channel (AGCH), a relative grant channel (RGCH), a hybrid-automatic repeat request (H-ARQ) information channel (HICH), an enhanced uplink dedicated physical control channel (E-DPCCH) and an enhanced uplink dedicated physical data channel (E-DPDCH). When SRBs are supported by high speed downlink packet access (HSDPA), an RL failure is recognized based on detection of improper operation of at least one of a high speed shared control channel (HS-SCCH), a high speed physical downlink shared channel (HS-PDSCH) and a high speed dedicated physical control channel (HS-DPCCH).
Patent KR-20100105629-A (KR)
Title: Device for testing transformers
Inventor: THIEDE ANDREAS
IPC: H02M1/12
Filed: 2008-12-03
Abstract: The invention relates to a device for testing transformers, having a static frequency converter (2). The static frequency converter (2) comprises a plurality of outlets (21, 22, 23), which are connected to a filter device (6). The filter device (6) also comprises a plurality of outlets (31, 32, 33), which are connected to a matching transformer (8), and wherein the matching transformer (8) is connected to the transformer (15) intended for testing. The filter device (6) is a filter transformer (11).
Patent KR-20100116584-A (KR)
Inventor: HEIM JONATHAN R
IPC: G02B7/10
Filed: 2008-12-10
Abstract: 본 발명은 장치 또는 시스템에 의하여 산출된 이미지를 안정화하기 위하여 하나 이상의 전기활성 폴리머 액츄에이터를 이용하는 광학 시스템, 장치 및 방법들을 제공한다.
Patent KR-20100110864-A (KR)
Inventor: SPEE PETRUS JOHANNES LOUIS
IPC: C12N15/13
Filed: 2009-01-23
Abstract: 본 발명은 어떤 항-NKG2A 항체, 특히 뮤린 항-NKG2A 항체 Z199의 인간화 버전과 같은 CD94/NKG2A 수용체의 비-경쟁적 길항제인 제제, 그리고 이러한 제제 및 항체의 제조 및 사용 방법에 관한 것이다.
Patent KR-20100123877-A (KR)
Inventor: ROUFFET DENIS
IPC: G16H80/00
Filed: 2009-02-25
Abstract: 무선 네트워크(R1)에 접속된 무선 단말기(MS)와 적어도 하나의 타깃 스크린(EC)에 연결되고 통신 네트워크(R2)에 접속된 고정 통신 단말기(TC) 사이의 통신 세션을 개방하는 방법이 제공된다.  방법은 무선 단말기(MS)와 고정 통신 단말기(TC) 사이의 통신 세션을 개방하고 그 다음에 무선 단말기(MS)에 의해 타깃 스크린(EC) 상의 정보의 디스플레이를 제어하도록, 무선 단말기(MS)에 의해, 타깃 스크린(EC) 상에 디스플레이된 식별자를 전송하는 단계로 구성된다.
Patent KR-20100134657-A (KR)
Inventor: KLEIN JOHANN
IPC: H04M3/22
Filed: 2009-04-09
Abstract: 본 발명은 단절된 호출을 겪는 이동국에 관한 것으로, 다른 당사자에 의한 이후의 검색을 위해 사용자의 음성을 기록함으로써 통신이 계속될 수 있다. 특히, 제 1 사용자(1) 및 제 2 사용자(2) 사이의 전화 통화를 수행하기 위한 방법은, 제 1 사용자(1) 및 제 2 사용자(2) 사이의 전화 통화를 설정하기 위해 제 1 사용자(1)의 제 1 사용자 장비(1a)를 제 2 사용자(2)의 제 2 사용자 장비(2a)에 접속시키는 단계를 포함한다. 상기 방법은: 제 1 사용자 장비 및 제 2 사용자 장비(1a, 2a) 사이의 접속(6a, 6b)이 전화 통화 중에 인터럽트되는 경우에, 적어도 제 1 사용자(1)에 의해 제공되는 부가 음성 데이터(D)를 데이터 서버(10)에 기록하는 단계, 및 데이터 서버(10)의 기록된 음성 데이터(D)를 제 2 사용자(2)에게 이용 가능하게 하는 단계를 추가로 포함한다. 본 발명은 또한 상기 방법을 구현하기 위한 컴퓨터 프로그램 제품 및 상기 방법을 수행하기 위한 통신 네트워크(3)에 관한 것이다.
Patent KR-20110010713-A (KR)
Inventor: PENDERGRASS JEFF
IPC: F16H7/02
Filed: 2009-04-23
Abstract: 풀리 어셈블리가 부속품 입력 샤프트를 수용하기 위한 맞물림 용도의 보어를 구비하는 샤프트 맞물림 부재를 포함한다.  풀리 부재가 샤프트 맞물림 부재의 축방향 연장 샤프트를 수용하는 보어를 포함한다.  풀리 부재는 제 1 커플링 표면 및 외주 벨트-맞물림 표면을 포함한다.  샤프트 연장 부재가 풀리 부재와 샤프트 맞물림 부재 사이에서 토크를 전달한다.  샤프트 연장 부재는 제1 커플링 표면과 접하는 제2 커플링 표면을 포함한다.  제1 및 제2 커플링 표면은, 샤프트 연장 부재에 적용되는 토크가 제1 방향일 때, 샤프트 연장 부재 및 샤프트 맞물림 부재가 풀리 부재와 함께 회전하도록, 서로 연결된다.  제1 및 제2 커플링 표면은, 샤프트 연장 부재에 적용되는 토크가 제1 방향과 반대의 제2 방향일 때, 샤프트 맞물림 부재가 풀리 부재에 대해 회전하도록, 분리된다.
Patent KR-20110010730-A (KR)
Inventor: MARUYAMA KAZUYA
IPC: H02P8/24
Filed: 2009-05-07
Abstract: 본 발명은 구동 부재가 파손될 우려가 없는 동력 전달 장치를 제공하는 것으로, 제어부(70)로부터의 지령 신호에 기초하여 구동하는 스텝핑 모터(구동 부재)(61a)와, 상기 스텝핑 모터(61a)의 구동에 따라 회전 구동되는 리드스크류부(61c)와, 상기 리드스크류부(61c)의 회전에 의해 리드스크류부(61c)의 축방향(X)을 따라 이동하고, 피동력전달부(42e)에 동력을 전달하는 동력전달부(65)를 구비하며, 제어부(70)는 동력전달부(65)가 축방향(X)을 따라 이동하고 있지 않은 경우, 스텝핑 모터(61a)로의 지령 신호의 출력을 정지하는 제어를 실시하는 것을 특징으로 한다.
Patent KR-20110037971-A (KR)
Inventor: OGAWA RYO
IPC: C09J163/00
Filed: 2009-06-12
Abstract: 본 발명은, (A) 시아네이트에스테르 수지, (B) 에폭시 수지 및 (C) 잠재성 경화제를 함유하여 이루어지는, 저장 안정성 및 신속 경화성이 뛰어남과 함께, 높은 내열성을 갖는 일액형 시아네이트-에폭시 복합 수지 조성물로서, 특히, 상기 잠재성 경화제가, 1개 이상의 3급 아미노기 및 1개 이상의 1급 및/또는 2급 아미노기를 갖는 아민 화합물로부터 선택되는 적어도 1종(a-1)과, 에폭시 화합물(a-2)을 반응시켜 이루어지는 변성 아민 화합물(a), 및 페놀 수지(b)를 함유하여 이루어지는 점에 특징이 있다. (B) 성분인 에폭시 수지 성분의 사용량은, (A) 성분인 시아네이트에스테르 수지 성분 100중량부에 대해서 1~10000중량부인 것이 바람직하고, (C) 성분인 잠재성 경화제의 사용량은, (A) 성분 및 (B) 성분의 합계량 100중량부에 대해서 1~100중량부인 것이 바람직하다.
Patent KR-20120084568-A (KR)
Title: Sysetem and method for controlling television using mobile
Inventor: JANG HO YEON
IPC: H04N5/445
Filed: 2011-01-20
Abstract: PURPOSE: A TV(TeleVision) control system using a portable terminal and method thereof are provided to offer optimized user interfaces to a user of a portable terminal by controlling the portable terminal by interlocking an internet server with a two-ways TV. CONSTITUTION: A user profile server(100) receives a first control signal according to user input for a user interface provided to a portable terminal through a synchronization program. The user profile server transmits a second control signal for a function of a two-ways TV(20) based on a matching table. The matching table is previously stored by matching the function of the user interface with the function of the two-ways television. The user profile server controls the function of the two-ways TV according to the input of the user interface.
Patent KR-20120087682-A (KR)
Inventor: WON IK
IPC: G06F1/16
Filed: 2011-01-28
Abstract: PURPOSE: A separation prevention cover for tablet PC is provided to prevent a tablet PC from being slid from hands when a tablet PC is used. CONSTITUTION: A sliding prevention unit(200) is composed of rubber or silicon having elasticity. The sliding prevention unit is combined with a rear side of a tablet PC. A gripping unit(300) is formed with bands. The gripping unit is formed to be projected from the tablet PC. The gripping unit prevents a tablet PC from being slid when a user grasps the tablet PC with hands. The gripping unit prevents the gripping unit from being deviated from hands.
Patent KR-20120093537-A (KR)
Title: Anchor
Inventor: HONG YOUNG PYO
IPC: E02D5/80
Filed: 2011-02-15
Abstract: PURPOSE: An anchor is provided to prevent the anchor from being easily separated from a base even if large power is applied to the anchor. CONSTITUTION: An anchor comprises an anchor head, a connector, and one or more wing type members(110,120). The anchor head is fixed to a base(300). The connector connects an object to the anchor head. The wing type members are eccentrically attached to the vertical shaft of the anchor and comprise bending strength weakening units. The bending strength weakening units weaken the bending strength of the wing type members at one or more areas parallel to the horizontal shaft of the anchor.
Patent KR-20120095232-A (KR)
Title: Central heating system for apartment
Inventor: LEE SEAK CHEAL
IPC: F24H8/00
Filed: 2011-02-18
Abstract: PURPOSE: A central heating system for apartments is provided to reduce the waste of energy by controlling the heating of each household by a temperature control unit and a flow meter. CONSTITUTION: A central heating system for apartments comprises a heating boiler(11), a hot water supply boiler(12), and a waste heat recovery unit(40). The heating boiler comprises a heating pipe(20) directly connected to each household. The hot water supply boiler comprises a hot water pipe(30) for heating the water in a hot water supply tank(13). The heating pipe is installed through the waste heat recovery unit, in which waste heat is collected. A temperature control unit(50) is installed in the heating boiler to control a rate of flow supplied to each house hold.
Patent KR-20120096158-A (KR)
Title: Method for user authentication
Inventor: KANG MIN SU
IPC: H04L9/32
Filed: 2011-02-22
Abstract: PURPOSE: A user authentication method is provided to perform the login authentication of a user by using identity information which is not related to user personal information in an application service object. CONSTITUTION: A user inputs personal identity information(S101). The user accesses an application service object(S102). The application service object calls an authentication module(S103). The authentication module asks a user a login request(S104). The user inputs user identification information into the authentication module(S105). The authentication module transmits a received telephone number and a citizen-number to the authentication service object(S106). The authentication service object provides a virtual ID to the authentication module(S107). The authentication module transfers the virtual ID to the application service object(S108). The application service object provides the service to the user(S109). The authentication service object transmits a message to the user(S110). The user transmits an approval state about the message to the authentication service object(S111). The authentication service object transfers the user personal information to the application service object(S112). The application service object provides a service to the user(S113).
Patent KR-20120096618-A (KR)
Title: Display panel transfer unit vacuum adsorption equipment
Inventor: CHANG DAE SOO
IPC: G02F1/13
Filed: 2011-02-23
Abstract: PURPOSE: A vacuum absorbing device for transferring a display panel is provided to attach and detach a vacuum pad installation stand to/from an installation plate by a magnet. CONSTITUTION: A vacuum pad installation plate(2) of a display panel transfer device is installed. A plurality of location adjusting holes(21) are formed on the vacuum pad installation plate in a length direction. An upper end of a vacuum pad installation stand(4) is inserted into the location adjusting holes. The vacuum pad installation stand has a vacuum pad(3). A magnet installation plate(42) is integrated with the central portion of the vacuum pad installation stand.
Patent KR-20120096748-A (KR)
Title: Compressing unit having anti-surge logic and multi-stage compressing apparatus comprising the same
Inventor: LEE KYUNG HWAN
IPC: F04D19/02
Filed: 2011-02-23
Abstract: PURPOSE: A compression unit having an antisurge logic and a multi-stage compression device are provided to efficiently prevent a stall of a compressor and to prevent a pressure loss caused by measuring a flow rate passing through the compressor. CONSTITUTION: A compression unit having an antisurge logic comprises a compressor(100), a main flow path(200), a bypass flow path(300), a valve(400), and a flow meter. The main flow path penetrates through the compressor. The bypass flow path detours the compressor and connects an inlet and an outlet of the compressor. The valve controls opening/closing the bypass flow path. The flow meter is arranged in the bypass flow path.
Patent KR-20110101077-A (KR)
Inventor: YAMAZAKI RYUICHI
IPC: G02F1/13
Filed: 2011-03-04
Abstract: 대상 기판의 일부를 확대한 화상을 취득하는 촬상부와, 상기 촬상부가 취득한 화상에 기초하여 상기 대상 기판에 수정 처리를 행하는 결함 수정부를 구비한 결함 수정 장치는, 상기 촬상부가 취득한 상기 화상에 포함되는 결함이 상기 화상 외부로까지 연장되어 있는지의 여부를 판정하는 판정부와, 상기 결함이 상기 화상 외부로까지 연장되어 있는 경우, 상기 화상 외부로까지 연장되어 있는 부분을 추적하는 추적부와, 상기 촬상부가 취득한 화상에 포함되는 결함에 대하여 1개 이상의 수정 영역을 설정하는 설정부를 구비한다.  상기 설정부는, 상기 추적부에 의한 추적 후에 상기 촬상부가 취득한 화상에 포함되는 결함에 대하여 상기 1개 이상의 수정 영역을 설정한다.
Patent KR-20110103357-A (KR)
Inventor: OH JONG EE
IPC: H04B7/04
Filed: 2011-03-11
Abstract: 본 발명은 데이터를 송수신하는 방법 및 장치에 관한 것이다. 본 발명의 일 실시예에 의한, 가변 주파수 대역을 사용하는 MIMO 시스템에서 송신 단말이 수신 단말에 데이터를 송신하는 방법은, 상기 데이터 프레임의 송신에 적용되는 주파수 대역에 따라 반복적으로 시그널 필드를 생성하는 단계, 상기 데이터를 포함하는 데이터 필드를 생성하는 단계, 상기 시그널 필드 및 상기 데이터 필드를 포함하는 데이터 프레임을 생성하는 단계 및 상기 데이터 프레임을 상기 수신 단말에 송신하는 단계를 포함한다. 본 발명에 의하면 MIMO 시스템에서 송신 단말이 수신 단말로 데이터를 전송할 때 함께 전송되는 시그널 필드를 보다 효율적으로 전송할 수 있는 효과가 있다.
Patent KR-20120110256-A (KR)
Title: A assembly pipe
Inventor: LEE JONG TAE
IPC: E03C1/122
Filed: 2011-03-29
Abstract: PURPOSE: An assembly pipe is provided to improve indoor environment by preventing vibration and noise and to efficiently control a flow rate. CONSTITUTION: An assembly pipe comprises an upper body, a lower body(120), multiple guide wing pieces(125), and small wing pieces(126). The upper body has an inflow guide socket and a horizontal drainpipe connection. The lower body is integrally coupled to the bottom of the upper body and has a discharge guide socket(121). The guide wing pieces and the small wing pieces are repetitively formed on the inner surface of the inflow guide socket and the inner surface of the small narrow portion of the discharge guide socket, alternately.
Patent KR-20120113364-A (KR)
Title: Laundry machine
Inventor: HONG SANG WOOK
IPC: D06F39/12
Filed: 2011-04-05
Abstract: PURPOSE: A laundry device is provided to prevent the consumption of unnecessary coolant by generating condensate water through the circulation of a small amount of coolant. CONSTITUTION: Wash water is stored in a tub(120). A drum(130) is rotatably placed in the tub. An air supply device supplies air to the tub. A condensing device(170) generates condensate water in an inner surface of the tub by penetrating an outer surface of the tub. The air supply device is placed on the top of the tub. The air supply device collects the air from the outer surface of the tub. The air supply device supplies the air to the front of the tub.
Patent KR-20120114494-A (KR)
Title: Battery pack
Inventor: KIM DUK JUNG
IPC: H01M50/553
Filed: 2011-04-07
Abstract: PURPOSE: A battery pack is provided to use electric energy generated by translation of a secondary battery as energy for charging the secondary battery, to obtain durability and flatness of a secondary battery module and to obtain assembling quality. CONSTITUTION: A battery pack comprises: at least one secondary battery(10-80) comprising an electrode assembly, a case accepting the electrode assembly, and a current collecting terminals protruded to outside of the case and electrically connected to the electrode assembly; a support element(400) supporting the secondary battery; an energy generation part(450) generating electrically energy between the secondary battery and the support element; an energy supply part(500) supplying electric energy generated from the energy generation part to the secondary battery.
Patent KR-20120114714-A (KR)
Inventor: SHIN HAE
IPC: E03F5/06
Filed: 2011-04-08
Abstract: PURPOSE: A grating for a drainage hole is provided to reduce the corrosion of an outer frame by forming grating ribs made of a stainless steel material on outermost compartment frames higher than the outer frame. CONSTITUTION: A grating for a drainage hole comprises left and right outermost compartment frames(110,111), and a center compartment frame(120). A separation prevention plate is formed on the bottom end of the left outermost compartment frame and is filled with gravel(40). Grating ribs(50) are attached to the inner top of the right outermost compartment frame. A separation prevention plate is formed on the bottom end of the center compartment frame, and a board plate(60) is inserted thereto.
Patent KR-20120116149-A (KR)
Title: Apparatus to plate substrate
Inventor: KIM YOUNG GU
IPC: C25D21/12
Filed: 2011-04-12
Abstract: PURPOSE: A substrate plating apparatus is provided to improve the reliability of plating a substrate by applying uniform density of current from the edge part to the center part of the substrate. CONSTITUTION: A substrate plating apparatus comprises a processing chamber accommodating electrolyte and a target part(120) arranged in the lower side of the processing chamber and generating plus metal ion for plating a substrate when applied with anode voltage from a voltage application part(160). A chuck is arranged in the upper side of the processing chamber and grips the substrate to be plated when applied with cathode voltage from the voltage application part. The target part includes a plurality of target members which are arranged in the direction of the substrate surface and of which adjacent ones are electrically connected through a variable resistance. [Reference numerals] (AA) Edge of a substrate; (BB) Magnitude of resistance; (CC) Center of the substrate; (DD) Edge of a target part; (EE) Magnitude of resistance; (FF) Center of the target part
Patent KR-20120137561-A (KR)
Title: Electronic coupons circulation system and method of controlling the same
Inventor: MOON YOUN JOO
IPC: G06V30/224
Filed: 2011-04-26
Abstract: PURPOSE: An electronic coupon distribution system and control method thereof are provided to enable a small store to effectively operate an electronic coupon service by enabling a user to manage issued electronic coupons through the on-line. CONSTITUTION: An issuer terminal(300) requests for creating and registering electronic coupons issued from a store through a network. A user terminal(200) receives the electronic coupons from the store. The user terminal transmits electronic coupon information for the electronic coupons. An electronic coupon distribution management server(100) creates the electronic coupons including a store ID(identification) information according to a request of the issuer terminal. The electronic coupon distribution management server extracts the store ID information from the received electronic coupon information. [Reference numerals] (100) Coupon distribution management server; (300) Issuer terminal; (AA) Network; (BB) User terminal
Patent KR-20120123886-A (KR)
Title: backlight unit and display apparatus using the same
IPC: G02F1/13357
Filed: 2011-05-02
Abstract: PURPOSE: A backlight unit and a display device using the same are provided to arrange a light source module in a second reflector and between a first reflector and the second reflector, thereby making mass production possible. CONSTITUTION: A backlight unit includes a first reflector(200), a second reflector(300), at least one first light source module(100), and at least one second light source module(400). A portion of the second reflector has an inclined surface. At least one first light source module is arranged between the first and second reflectors. At least one second light source module is arranged in the second reflector.
Patent KR-20120124160-A (KR)
Title: Substrate transfer system
IPC: H01L21/677
Filed: 2011-05-03
Abstract: PURPOSE: A substrate transportation system is provided to prevent the collision of a carrier guide and a rotational roller due to height difference by freely controlling the height of a shaft axis of a transfer rail. CONSTITUTION: A rotational member(200) is comprised of a first case(205a) and a second case(205b). The first case accepts a second driving pulley(201). The second case accepts a third driving pulley(207). A rotary shaft(203) receives torque from the first case. The rotary shaft is formed at the location which is separated from the circumference center of the second case as a predetermined interval. A plurality of rotational rollers is mounted on a shaft axis and supports a substrate.
Patent KR-20120124198-A (KR)
Title: Cart having detachable code reader and method for controlling digital signage located in mart
IPC: G06V30/224
Filed: 2011-05-03
Abstract: PURPOSE: A cart including a code reader and a method for controlling digital signage located in a mart are provided to add a holder of a bar code reader which is able to attach and detach to the cart and define a protocol which transmits information obtained by the bar code reader to a server and the digital signage. CONSTITUTION: A holder of a code reader(401) reads a code of a product located in a mart. A monitoring module determines a normal load about a cart of the product. A communicating module(405) transmits data to a server managing the mart. A controlling unit transmits the product loaded in the cart to the server. The monitoring module includes a camera module(403) and a motion sensor(402). The motion sensor senses a load about the cart of the product which is not read by the code reader located in the holder. [Reference numerals] (401) Bar code reader; (402) Motion sensor; (403) Camera module; (404) Weight sensor; (405) Communication module; (406) Memory
Patent KR-20120124643-A (KR)
Title: Performance analysis method of spectrum sencing techniques based on cyclostationarity for detecting an ofdm signal
IPC: H04L27/26
Filed: 2011-05-04
Abstract: PURPOSE: A method for analyzing performance of a spectrum sensing technique based on Cyclostationarity is provided to select a spectrum sensing technique of excellent performance according to channel characteristics by comparing detection probability performance. CONSTITUTION: An OFDM(Orthogonal Frequency Division Multiplexing) symbol is obtained for an OFDM signal(S100). An autocorelation function is calculated using the symbol of the OFDM signal(S200) A CAF(Cyclic Autocorrelation Function) is calculated using the autocorelation function(S300). SCD(Spectral Correlation Density) is calculated using a cyclic autocorrelation function(S400). Test statistics are calculated(S500). The spectrum sensing performance of each techniques is determined through SNR(Signal Noise Ratio) comparison based on the test statistics of techniques(S600). [Reference numerals] (AA) Start; (BB) End; (S100) Symbol acquisition step; (S200) Autocorrelation function calculation step; (S300) CAF calculation step; (S400) SCD calculation step; (S500) Test statistics calculation step; (S600) Performance evaluation step