baber/WOPTO huggingface dataset:
Patent KR-20090100460-A (KR)
Title: Stable reagents and kits useful in loop-mediated isothermal amplification(lamp)
Inventor: PACK TODD DENISON
IPC: C12Q1/68
Filed: 2008-01-16
Abstract: Provided herein is a reagent preparation for loop-mediated isothermal amplification of nucleic acids comprising: at least one polymerase enzyme, a target-specific primer set, and dinucleotide triphosphates (dNTPs) in a single, dry format; wherein said reagent preparation is water soluble and stable above 4°C.
Patent KR-20090101969-A (KR)
Title: Multi-output switching power supply device
Inventor: KYONO YOICHI
IPC: H02M3/28
Filed: 2008-02-27
Abstract: A multi-output switching power supply device includes: a series resonation circuit formed by a primary winding (P1) and a current resonation capacitor (Cri) which are connected in parallel to a switching element (Q2); a first rectification/smoothing circuit which rectifies/smoothes voltage generated in a secondary winding (S1) during an ON period of the switching element (Q2) and extracts an output voltage (Vo1); a series resonation circuit formed by the primary winding (P2) and the current resonation capacitor (Cri2) which are connected in parallel to the switching element (Q2); a second rectification/smoothing circuit which rectifies/smoothes voltage generated in the secondary winding (S2) during the ON period of the switching element (Q2) and extracts an output voltage (Vo2); and a control circuit (10a) which controls the ON period of the switching element (Q1) in accordance with the output voltage (Vo1), controls the ON period of the switching element (Q2) in accordance with the output voltage (Vo2), and limits the ON period of the switching element (Q1) if the output voltage (Vo2) exceeds a predetermined voltage.
Patent KR-20100015456-A (KR)
Title: A method and an apparatus for processing a video signal
Inventor: JEON YONG JOON
IPC: H04N7/24
Filed: 2008-04-10
Abstract: PURPOSE: A method and an apparatus for processing video signals are provided to enable motion compensation based on overlapped blocks by adaptively applying the coefficient of a window. CONSTITUTION: An overlapped window coefficient is extracted from video signal bit stream(S160). The window is applied to one or more reference areas within a reference picture using overlapped window coefficient(S170). By multiply overlapping one or more reference areas to which the window is applied, a reference block is obtained(S180). The current block obtains a predictor by using the reference block. The overlapped window coefficient is changed according to sequence, frame, slice, or block.
Patent KR-20100015944-A (KR)
Title: Mek ligands and polynucleotides encoding mek ligands
Inventor: BACHINSKY DAVID
IPC: C12N15/62
Filed: 2008-03-27
Abstract: The invention relates to kinase ligands and polyligands. In particular, the invention relates to ligands, homopolyligands, and heteropolyligands that modulate MEK activity. The ligands and polyligands are utilized as research tools or as therapeutics. The invention includes linkage of the ligands, homopolyligands, and heteropolyligands to a cellular localization signal, epitope tag and/or a reporter. The invention also includes polynucleotides encoding the ligands and polyligands.
Patent KR-20100081940-A (KR)
Title: A method for scheduling wake/sleep cycles by a central device in a wireless network
Inventor: LIAO NING
IPC: H04W52/28
Filed: 2010-01-05
Abstract: PURPOSE: A method for scheduling wake/sleep cycles through a central device in a wireless network is provided to efficiently use a system bandwidth and ensure the QoS requirement by maintaining a maximum sleep cycle of each MS(Mobile Station). CONSTITUTION: A wake/sleep cycle length is given to each mobile device, and is integer times of a system schedule cycle. A sleep cycle and a wake cycle are allocated to wake/sleep cycles of each mobile device. The wake/sleep cycles of each MS are arranged to avoid the cyclic collision with other MSs.
Patent KR-20110083169-A (KR)
Title: A skin care device
Inventor: CHAE JONG DEOK
IPC: G01N33/48
Filed: 2010-01-13
Abstract: PURPOSE: A skin care device is provided to automatically apply different skin stimulation mode according to the skin condition of a user. CONSTITUTION: A skin care device comprises: a main body which is formed so that a user can grip; a main touch pad which is installed to be exposed to the main body; an ion generation unit(20) which applies current to the skin of the user; a skin measuring unit(30) measuring the skin condition of the user through the main touch pad; a light generator(50) which is prepared in the main body in order to emit light to the skin of the user; an ultrasonic wave generator(40) transferring ultrasonic wave to the skin of the user; a mode selection button(60) which is installed to be exposed to the main body; and a central controller(70).
Patent KR-20110087843-A (KR)
Title: Rechargeable battery
Inventor: MOON JONG SEOK
IPC: H01M50/574
Filed: 2010-01-27
Abstract: PURPOSE: A secondary battery is provided to prevent the firing and explosion caused by the heat inside the secondary battery as a safety plate is disconnected to a cap plate when the heat is generated thereinside and to improve the safety of the secondary battery. CONSTITUTION: A secondary battery comprises: an electrode assembly including first and second electrode plates and a separator interposed between the first and second electrode plates; a case accommodating the electrode assembly; a cap plate(51) sealing the case; a first electrode terminal(20) which is electrically connected to the first electrode terminal and passes through the cap plate; and a safety plate coupled with the first electrode terminal. The safety plate includes a first expandable layer(80a) and a second expandable layer(80b) with the expansion rate smaller than the first expandable layer.
Patent KR-20110089014-A (KR)
Title: E-book device and method for providing information regarding to reading detail
Inventor: JANG JEONG ROK
IPC: G06F15/02
Filed: 2010-01-29
Abstract: PURPOSE: An e-book device and method for providing information regarding to reading detail are provided to make a reading content list based on the stored reproducing list. CONSTITUTION: An e-book is stored in a storage(110). A reproducing part(120) reproduces an e-book which is stored in the storage. A GUI creation part(130) creates a GUI and applies the created GUI to the reproduction part. A controller creates the reproduction history of the e-books. The controller stores the list in the storage and creates the reading list.
Patent KR-20110090584-A (KR)
Title: Composition for inhibiting diabetes or diabetes induced complication containing extracts from inula britannica var. japonica
Inventor: LIM SOON SUNG
IPC: A61P3/10
Filed: 2010-02-04
Abstract: PURPOSE: A composition containing Inula britannica var. japonica extract for suppressing diabetes and/or diabetes complication is provided to suppress advanced glycation end products. CONSTITUTION: A composition for preventing diabetes or diabetes complication contains Inula britannica var. japonica extract isolated with water, ketone of C3-C5, or straight or branched alcohol of C1-C4; and a fraction prepared by fractioning the extract with water, alkane of C5-C7, methylene chloride, ethyl acetate, of straight or branched alcohol of C-C4. A neutraceutical food for preventing or relieving diabetes or diabetes complication contains the composition containing the extract.
Patent KR-20110094449-A (KR)
Inventor: HA YOUNG KYUN
IPC: G01B11/24
Filed: 2010-02-16
Abstract: PURPOSE: A three-dimensional measuring system of a circular hole is provided to be applied in a production site and installation site. CONSTITUTION: A three-dimensional measuring system of a circular hole comprises a central mobile tool(110), a rotating member(120), a vertical mobile tool(130), a laser beam reflector(140), a motion controller(150) and a laser tracker(300). The vertical mobile tool is combined in the rotating member. The laser beam reflector is attached on the vertical mobile tool. The motion controller controls the movement of members. The laser tracker is installed in outside of the hole and fixed.
Patent KR-20110096222-A (KR)
Title: Turbo code decoder and method therefor
Inventor: OH HYUK JUN
IPC: H03M13/37
Filed: 2010-02-22
Abstract: PURPOSE: A turbo code decoder and a method for the same are provided to additionally decode a parity bit, thereby minimizing a noise effect. CONSTITUTION: A first MAP decoder(101) produces a first soft-decision information with respect to a first parity bit and a parity bit decoding when receiving the first parity bit. A second MAP decoder(105) produces a second soft-decision information with respect to a second parity bit when receiving the second parity bit. A soft-decision calculator(106) produces final first and second soft-decision information for the first and second parity bit using the first and second soft-decision information for the first and second parity bit. The first MAP decoder acquires a forward direction metric and first backward direction metric and a one kind of metric for first parity bit decoding. The first MAP decoder produces soft-decision information with respect to the first parity bit using the forward direction metric and first backward direction metric and the one kind of metric.
Patent KR-20100102063-A (KR)
Title: Lifter for main roller and method for transporting the main roller
Inventor: HASEGAWA YOSUKE
IPC: B24B27/06
Filed: 2010-03-09
Abstract: PURPOSE: A lifter for a main roller and a transport method thereof are provided to efficiently transport a main roller by inserting and lifting a pair of forks and to maintain horizontality of the main roller. CONSTITUTION: A lifter(1) for a main roller comprises a transfer vehicle(3), an elevating unit(4), a horizontal moving unit(5), forks(9), and a pressing lever. The transfer vehicle has a post(2) for guiding elevating. The elevating unit is freely moved along the post. The horizontal moving unit is supported by the elevating unit. The forks are installed in the horizontal moving unit. The pressing lever controls the forks.
Patent KR-20110104153-A (KR)
Inventor: KIM KWANG EUN
IPC: G06T3/00
Filed: 2010-03-16
Abstract: 본 발명은 화소 영역 기반 내삽에 의한 공중영상 자료의 재배열 방법에 관한 것으로, 특히 공중영상 자료의 재배열을 위해 화소값을 결정하는데 있어서 그 화소가 대표하는 실제 영역을 기준으로, 그 영역 내부에 포함되는 원래 영상의 화소값들을, 그 화소들이 차지하는 면적 비율을 고려하여 반영함으로써 변환시 영상 왜곡을 줄일 수 있는 화소 영역 기반 내삽에 의한 공중영상 자료의 재배열 방법에 관한 것이다.
Patent KR-20110104198-A (KR)
Inventor: CHO HYO YEOUL
IPC: F03B17/00
Filed: 2010-03-16
Abstract: 승강로와 충격 흡수 구조물 및 철사 등의 로프에서 접속된 물을 수용/배수 가능한  
승강기를 각각 2 세트 비치하고 있는 구조물에 해당 충격 흡수 구조물은 해당 승강 
로와 간격을 두고 가동 격벽과 그 내부에 개폐를 제어할 수 있는 개폐구와 저수조 
에 연결하는 여러 개의 도수관과 각각의 해당 도수관의 개폐를 제어하는 밸브 및  
체크 밸브로 구성한다. 상기 승강기로의 급배수를 적시 제어하여 상하동시킬 때 자 
유 낙하했을 때의 충격력은 하강 사이클마다 상기 가동 격벽하의 해당 승강 기 수 
용 상당 분을 상기 체크 밸브의 위치에 양수하는 압력으로 변환되어 다른 동력을  
필요로 하지 않는 양수 펌프처럼 작용, 상기 저수조에 양수할 수 있다. 이렇게 상 
하동을 계속하는 상기 로프의 풀리 축에 연결한 발전 터빈에서 발전 출력을 얻을  
수 있다.
Patent KR-20100105824-A (KR)
Title: Method and apparatus for reference signal in wireless communication system
Inventor: HAN SEUNG HEE
IPC: H04B7/06
Filed: 2010-03-19
Abstract: PURPOSE: A method and apparatus for a reference signal in a wireless communication system are provided to improve the performance of measuring the position of a terminal by minimizing the collision between reference signals from each cell. CONSTITUTION: A first base station transmits a first reference signal to a terminal by mapping the first reference signal to a resource area. A second base station transmits a second reference signal to the terminal by mapping a second reference signal to the resource area. The resource elements in the mapped resource area are determined in the index of an NXN Latin square matrix.
Patent KR-20110106497-A (KR)
Title: 광고를 제공하는 판촉용 카드 결제단말기를 이용한 광고 방법
Inventor: KWON OH JIN
IPC: G06Q20/04
Filed: 2010-03-23
Abstract: 본 발명은 외부 광고 정보(A)의 입력이 가능하면서, 서포터의 광고 정보(B)가 내장된 카드 결재단말기를 서포터로부터 제공받거나, 카드 결재단말기를 직접 구입하는 단계; 상기 외부 광고 정보(A)를 카드 결재단말기에 입력하는 단계; 상기 광고 정보(A,B)를 디스플레이하는 사인 패드가 비접촉 상태인 휴면 모드인지 판독하고 휴면 모드일 경우, 상기 외부 광고 정보(A) 또는 서포터의 광고정보(B)를 사인 패드에 디스플레이하는 단계; 상기 사인 패드에 접촉이 이루어지면 디스플레이된 광고 정보를 삭제하고 입력 모드로 전환하거나, 광고 정보의 크기를 축소하고 축소된 광고 정보 외의 영역을 입력 모드로 전환하는 단계; 및 상기 사인 패드에 접촉이 이루어진 상태를 기점으로 설정시간을 경과하면 휴면 모드로 판단하고, 상기 외부 광고 정보(A) 또는 서포터의 광고 정보(B)를 사인 패드에 디스플레이하는 단계;를 포함하여 이루어지는 것을 특징으로 하는 광고를 제공하는 판촉용 카드 결제단말기를 이용한 광고 방법에 관한 것이다.
Patent KR-20110107651-A (KR)
Inventor: JOO WON IL
IPC: B01D35/00
Filed: 2010-03-25
Abstract: 본 발명은 정수기 내부, 특히 정수 저장 탱크 내부의 오염 정도를 측정하여, 저장 탱크 내부의 세척 시기를 사용자에게 알려줄 수 있는 정수기를 제공하기 위하여, 원수를 정화하기 위하여 복수의 필터를 갖는 필터부, 상기 필터부를 통하여 정화된 물을 저장하는 저장 탱크, 및 상기 저장 탱크의 물을 외부로 추출하는 추출부를 포함하는 정수기에 있어서, 상기 저장 탱크에 설치되어 상기 저장 탱크의 오염도를 측정하는 오염 검출부를 포함하는 정수기를 제공한다.
Patent KR-20110109202-A (KR)
Inventor: CHOI YONG HYUN
IPC: G01R29/08
Filed: 2010-03-30
Abstract: 본 발명에 따른 휴대용 스펙트럼 분석기는, 예를 들어, 무선 통신망의 중계기를 설치하거나 또는 유지 보수하는 운영자가, 항시 간편하게 휴대하면서, 랩톱(Laptop) 컴퓨터 등의 유에스비(USB) 포트에 연결 접속하여, 상기 중계기에서 출력되는 주파수 신호의 전계 강도를 측정할 수 있게 되며, 또한, 랩톱 컴퓨터 등을 통해 그래픽 유저 인터페이스(GUI) 화면을 제공하여, 사용자 조작의 편리성을 제공함과 아울러, 전계 강도의 측정 화면을 데이터 파일로 저장하여 다시 모니터링할 수 있게 되고, 특정 포인트에 대한 신호 왜곡을 측정할 수 있는 마커(Marker) 기능을 제공하며, 더욱이, 휴대용 스펙트럼 분석기 내의 감쇠기(Attenuator)를 가변 조절하여, 주파수 신호의 레벨과 노이즈의 레벨을 각각 측정함으로써, 전계 강도의 측정 범위를 보다 넓게 확장시킬 수 있게 된다.
Patent KR-20100109866-A (KR)
Title: Polishing apparatus and polishing method
Inventor: ISHII YU
IPC: H01L21/304
Filed: 2010-03-31
Abstract: PURPOSE: A polishing apparatus and a polishing method are provided to precisely control a polishing profile without a plurality of pre-polishing tests by referring database for a relation between a polishing liquid supplying position and a polishing profile. CONSTITUTION: A polishing apparatus includes a polishing table(22), a top-ring(24), a polishing liquid supplying nozzle(26), a transferring unit, a controller, and a simulator. A polishing surface is placed on the polishing table. The top-ring presses an object toward the polishing surface. The polishing liquid supplying nozzle supplies a polishing liquid to the polishing surface. The transferring unit transfers the polishing supplying nozzle along the radial direction of the polishing surface. The controller controls the transferring unit. The simulate outputs a predicted relationship between a polishing liquid supplying position and a polishing profile.
Patent KR-20100111627-A (KR)
Title: Electrostatic chuck
Inventor: NAKAMURA KEIICHI
IPC: B23Q3/15
Filed: 2010-04-06
Abstract: PURPOSE: An electrostatic chuck is provided to perform a contact thermal conductive heating of an absorbed wafer. CONSTITUTION: An electrostatic chuck includes a dielectric layer and a support layer. A wafer is arranged on the surface of the dielectric layer made of aluminum nitride. The support layer is contacted with the rear of the dielectric layer and is made of aluminum nitride sintered element including Sm and Ce.
Patent KR-20110114945-A (KR)
Inventor: PARK HYUNG JOO
IPC: G06K19/07
Filed: 2010-04-14
Abstract: 본 발명은 출입 감시 시스템 및 그 동작 방법에 관한 것으로서, 본 발명에 따른 출입 감시 시스템은 특정 장소의 출입문 안과 밖에 설치되어 객체가 출입문으로 접근할 경우 이를 감지하여 전달하는 적어도 2개의 감지센서, 출입문 안쪽과 바깥쪽 벽에 설치된 적어도 2개의 안테나와, 출입문 안쪽과 바깥쪽 천정에 설치된 적어도 2개의 안테나를 포함하는 RFID 리더기, 그리고 각 감지센서로부터 객체가 감지된 신호가 전달되면 RFID 리더기를 턴온시키는 관리부를 포함하고, 턴온된 RFID 리더기는 출입문의 벽에 설치된 적어도 하나의 안테나와 출입문의 반대편 천정에 설치된 적어도 하나의 안테나를 통해 객체가 소지한 RFID 태그를 인식하고 관리부는 인식된 상기 RFID 태그의 고유 정보와 각 안테나를 통해 RFID 태그가 인식된 패턴을 근거로 객체의 진입 또는 진출을 판단하는 것을 특징으로 한다.
Patent KR-20110120554-A (KR)
Title: Polyarylene sulfide having improved mechanical and thermal properties, and preparation method thereof
Inventor: SHIN JONG WOOK
IPC: C08J5/18
Filed: 2010-04-29
Abstract: PURPOSE: Polyarylene sulfide is provided to avoid by-products in a manufacturing process and to enable the use in the preparation and molding of engineering plastics due to excellent thermal and mechanical properties. CONSTITUTION: Polyarylene sulfide comprises 0.5 weight% or less of a disulfide repeating unit and has a cooling crystallization temperature of 220-240°C. An arylene sulfide repeating unit occupies 99.5 weight% or greater based on the weight of the whole polyarylene sulfide. A method for preparing the polyarylene sulfide comprises the steps of: polymerizing a reactant including a diiodide aromatic compound and a sulfur compound; and adding 5-30 parts by weight of a polar solvent to 100 parts by weight of the reactant while performing the polymerization step.
Patent KR-20110126913-A (KR)
Title: System for remote management of mobile device and control method thereof
Inventor: STEVE CHOI
IPC: H04W24/02
Filed: 2010-05-18
Abstract: PURPOSE: A system for mobile terminal remote control and control method thereof are provided to enable a user terminal to access a designated network by selectively applying an application of a user terminal. CONSTITUTION: A terminal applying information processing unit(210) generates approval information about the driving of hardware, the driving of an application, and network access of a user terminal. A terminal relay environment controlling unit(150) controls the terminal applying information processing unit.
Patent KR-20100132918-A (KR)
Title: Posture converting device and paper-like material processing apparatus
Inventor: ASARI YUKIO
IPC: B65H5/00
Filed: 2010-06-09
Abstract: PURPOSE: A position change device and a sheet processing apparatus are provided to improve transfer speed of sheets and reduce the probability of jamming during transfer by accurately turning the sheets to the desired position. CONSTITUTION: A position change device comprises two upstream correction rollers(51R,51L), two downstream correction rollers(52R,52L), and a controller. The upstream correction rollers are separate in the direction crossing the transfer direction of sheets(P0~P3). The downstream correction rollers are arranged separate from the upstream correction rollers toward the downstream side of the sheet transfer direction. The controller independently controls the rotation of the four correction rollers so that the speeds of the upstream correction rollers are differentiated to turn the sheets somewhat and the speeds of the downstream correction rollers are differentiated to turn the sheets completely to the desired position.
Patent KR-20110137141-A (KR)
Title: Fragrances are everywhere aligned using the device and then driven to the center
Inventor: GWON YONG DO
IPC: B25B11/00
Filed: 2010-06-16
Abstract: PURPOSE: A centering device using four directions and a driving method thereof are provided to minimize a range of errors since after both sides of different objects are aligned, the other sides are aligned. CONSTITUTION: A centering device using four directions comprises an upper piston, a lower piston, a longitudinal jig(20), a transversal jig(40), and a cylinder(10). The upper piston comprises a space and a protrusion. The lower piston holds the lower part of the upper piston in the space. The lower piston comprises a protrusion and a lower spring. The upper gear(21) of the longitudinal jig engages with the protrusion of the upper piston. The lower gear(41) of the transversal jig engages with the protrusion of the lower piston. The longitudinal and transversal jigs are protruded and bent to outer sides.
Patent KR-20110139389-A (KR)
Title: Auxiliary positive polar object of electroplating apparatus
Inventor: KIM SANG YONG
IPC: C25D17/10
Filed: 2010-06-23
Abstract: PURPOSE: A sub anode element of electroplating device is provided to be reused to new alloyed body by converting the structure according to the alloyed body. CONSTITUTION: A sub anode element of electroplating device comprises a frame part, a standoff rod part and an anode plate part. The frame part comprises top and bottom sides and right and left sides. The standoff rod part comprises one or more standoff rods(21,22). The standoff rod part comprises holes(102,103), male screws and female screw. The male screw is inserted in the hole of the standoff rod through the guide hole of frame. A female screw unites with the male screw. The anode plate part comprises one or more anode plates.
Patent KR-20110139940-A (KR)
Title: Current driving circuit and light storage system having the same
Inventor: CHA SANG HYUN
IPC: G11B20/10
Filed: 2010-06-24
Abstract: PURPOSE: A current driving circuit and optical storage system including the same are provided to vary the channel size of a switch and to prevent the rising time of the output current according to the variation of the input current. CONSTITUTION: An input current flows in a first transistor. A second transistor generates an output current by mirroring of the input current. A plurality of switches is electrically connected to the first and the second transistors in response to the control signals. A control unit(204) selectively activates the control signals according to the size of the input current. An adder generates a driving current.
Patent KR-20110140042-A (KR)
Title: Mobile terminal
Inventor: PARK YONG GIL
IPC: H04B1/38
Filed: 2010-06-24
Abstract: PURPOSE: A portable terminal is provided to exactly fix a battery at a battery installation unit by creating an elasticity rib at the side of the battery. CONSTITUTION: A main terminal(220) is formed the one side of a battery installation unit in order to electrically connected to the battery. A battery cover(230) covers the battery. The battery cover is combined with the main body of the terminal. An elasticity rib(240) is created in the inner wall of the battery installation unit corresponding to the side of the battery in order to pressure the battery installation unit. The elasticity rib restricts the horizontal movement of the battery.
Patent KR-20120001408-A (KR)
Title: Safety cloths
Inventor: KIM BONG JUN
IPC: A41D13/00
Filed: 2010-06-29
Abstract: PURPOSE: Safety clothes are provided to prevent a light emitting unit from contacting with the outside by forming the light emitting unit in a receiving unit of a main body. CONSTITUTION: Safety clothes include a body(100), a receiving unit(200), and a light emitting unit(300). The body is worn on the body. The receiving unit is formed in the body and includes a receiving space. The receiving unit forms a transmitting unit on the surface thereof. The light emitting unit is inserted into the receiving space of the receiving unit and is connected to a power source to emit light.
Patent KR-20120002231-A (KR)
Title: Packing type food waste disposer
Inventor: KIM SEONG HYUN
IPC: B65B51/14
Filed: 2010-06-30
Abstract: PURPOSE: A wrapping-type food garbage disposal device is provided to reduce bad smell by immediately discharging food waste by using the materials decomposed with food garbage. CONSTITUTION: A wrapping-type food garbage disposal device comprises a food insert hole(11), a holder(20), and a sealing part(50). A plurality of plastic packing members(1,2) arranged in the lower side of a food waste insert hole is welded on a settling rack. The sealing part seals the plastic packing members.
Patent KR-20120004027-A (KR)
Title: Spindle motor
Inventor: SONG CHUNG HYUN
IPC: H02K5/16
Filed: 2010-07-06
Abstract: PURPOSE: A spindle motor is provided to change about the size and the shape of inner circumference of the bearing while fixing a bearing to a housing. CONSTITUTION: A bearing assembly(100) includes a bearing(110), a bearing housing(120), and a press-fitting member(130). The bearing includes a first inner circumference and a second inner circumference. The bearing press-fitting unit of a pressing member is pressed in between the outer circumference of the bearing coping with the second inner circumference and bearing housing. A rotary shaft(200) is rotated and supported by a first inner circumference. A stator(300) includes a core(310), and a coil(320). A rotor(400) includes a yoke(410), and a magnet(420).