baber/WOPTO huggingface dataset:
Patent JP-2002532974-A (JP)
Title: 直角振幅変調を用いたテレビジョン信号中でのデータ伝送
IPC: H04L27/34
Filed: 1999-11-24
Abstract: (57)【要約】
ビデオ信号のラインの中でデータを送信するための方法及びシステムである。データは、パケット化され（１２）、クロック・ラン・インシーケンス（１３）が与えられ、ビデオ帯域幅の中央に位置する搬送波（ｆ c ）を用いて直角振幅変調される（１４）。変調されたデータ信号は、次に選択されたビデオライン中に挿入される（１５）。望ましい実施例では、データが従来のテレテキスト（６．９Ｍｂ／ｓ）よりも高いビットレート（約１６Ｍｂ／ｓ）でテレビジョン信号の垂直基線消去期間内で伝送されうるようＱＡＭ−１６が使用される。任意に、約２４又は３２Ｍｂ／ｓのビットレートを得るためにＱＡＭ−６４又はＱＡＭ−２５６が夫々使用されうる。
Patent JP-2002532527-A (JP)
IPC: A61K8/97
Filed: 1998-12-22
Abstract: Directed to a transparent skin care compostion comprising: (a) two or more surfactants selected from the group consisting of polyoxyethylene sorbit tetraalkyl ester, polyoxyethylene castor oil ester and/or polyoxyethylene hydrogenated castor oil ester, polyoxyethylene alkyl phosphate or salts, and mixtures thereof; (b) an oil compound, (c) a polyhydric alcohol, and (d) water. The oil compound in the composition is substantially solubilized in the transparent skin care composition.
Patent JP-2002532557-A (JP)
IPC: A61K38/28
Filed: 1999-12-21
Abstract: Glucagon-like peptide-1 (GLP-1) has been shown to be useful in the treatment of diabetes. The invention encompasses a shelf stable formulation that comprises a therapeutically effective amount of GLP-1, a pharmaceutically acceptable preservative, and a tonicity modifier, and that has a pH between about 8.2 to about 8.8.
Patent JP-2002535597-A (JP)
Title: 質量流束を抑制した進行波装置
IPC: F25B9/14
Filed: 2000-01-19
Abstract: (57)【要約】
移動波装置には従来の移動ピストンが設けられていない。音響エネルギーが環状体（３０）内部の流体を介して一方向に循環する。当該環状体の内外へ音響エネルギーを運搬するために、前記環状体に側部ブランチが接続されてもよい。当該環状体には第１の熱交換器（３４）と共に蓄熱器（３２）が設けられ、該第１の熱交換器は、音響エネルギーを循環させる方向に対して該蓄熱器の下流側の該蓄熱器の第１の側に設けられ、第２の熱交換器（３６）が該蓄熱器の上流側に設けられる。改良は、流体の時間平均質量束を最小にするために当該環状体に設けられた質量束制限器（４６）である。一実施例において、当該装置は、当該装置の動作温度において前記熱交換器を熱遮断するために当該環状体内に熱緩衝柱（７０）を含む。
Patent JP-2002537174-A (JP)
Title: 座乗者の体重を感知する方法及び装置
IPC: B60R21/01
Filed: 2000-02-23
Abstract: (57)【要約】
座乗者の体重測定装置は、エアバッグの展開を制御するために使用される。この装置は、内側トラック組立体（２６Ａ）及び外側トラック組立体（２６Ｂ）に支持された車両の座席に組み込まれる。内側及び外側トラック組立体は、中央部が支持されないように車両構造に取付けられる。第１のセンサー組立体（３８、４０）は内側トラック組立体（２６Ａ）に、第２のセンサー組立体（５８、６０）は外側トラック組立体（２６）に取付けられる。第１のセンサー組立体は、座乗者の体重による内側トラック組立体の撓みの測定に応答して第１の信号を発生する。第２のセンサー組立体は、座乗者の体重による外側トラック組立体の撓みの測定に応答して第２の信号を発生する。中央プロセッサ（６６）は、第１及び第２の信号に基づき座乗者の体重を決定する。中央プロセッサ（６６）は、エアバッグ装置（７０）と通信し、座乗者の体重に応じてエアバッグの展開を制御する。
Patent JP-2002539616-A (JP)
Title: 側面ポンプ・ファイバ・レーザ
IPC: H01S3/06
Filed: 2000-03-07
Abstract: (57)【要約】
側面ポンプ・ファイバ・レーザがコア（１８）と被覆（２０）を有する光ファイバを含んでいる。コア（１８）は、被覆（２０）の屈折率、ｎ２、より大きい屈折率ｎ１を有する。このファイバ・レーザは、ファイバ被覆の上側に形成されているチャネル内に一体に形成されている結合窓（２２）を更に含んでいる。結合窓はｎ１より大きい屈折率ｎ３を有する。ファイバ・レーザはレーザ・ダイオード・バーなどの、レーザ光源（１４）を更に含んでいる。そのレーザ光源のビームは、光をファイバ・コア（１８）に直接結合するように、結合窓を通じて送られる。ブラッグ格子（２６）を、結合窓（２２）と反射窓（２８）の間に含むこともできる。
Patent JP-2002540387-A (JP)
Title: 液体分注装置
IPC: G01N35/10
Filed: 2000-03-20
Abstract: (57)【要約】
液体分注装置は、液体貯蔵槽（３２）、出口孔（６；３６）、および液体（４）をその出口孔（６；３６）を通して押し出すための追出し手段を含む。追出し手段は、液体（４）をその出口孔（６；３６）を通して押し出すために貯蔵槽（３２）内の液体（４）に衝突する気体のパルスを発生させる。また、そこから液体を分注するための複数のカートリッジを含むカセットも開示される。各カートリッジは、液体貯蔵槽（３２）および、液体貯蔵槽（３２）内において開口（３４）を閉じるために載置された出口部材（３６）を含む。出口部材（３６）は、加圧された気体のパルスによって、液体がそれを通って押し出され得るを出口を提供する。
Patent JP-2002539978-A (JP)
Title: 高粘着性接着剤を含む画像グラフィック系およびこの使用方法
IPC: C09J7/20
Filed: 2000-03-17
Abstract: (57)【要約】
高度に粘着性の再利用可能な接着面を用いて接着剤によって装着可能な画像が提供される。画像担体は接着剤担体から着脱可能であり、次の画像担体が同じ接着剤担体に剥離可能に結合されてもよい。このシステムのためのキットもまた提供される。
Patent JP-2002540169-A (JP)
Title: 弱毒化デング熱１型ウイルスワクチン
IPC: C12Q1/02
Filed: 2000-03-24
Abstract: (57)【要約】
本発明は、弱毒化デング熱１型ウイルスのワクチン組成物を提供する。より明細には、弱毒化ウイルスはＰＤＫ細胞における連続継代によって生成される。本発明はまた、弱毒化デング熱１型ウイルスの投与によってデング熱１型ウイルスに対する防護を誘発するために個体の免疫系を刺激するための方法を提供する。
Patent JP-2002540610-A (JP)
Title: セラミック箔にギザギザをつけたプレートとガスアシストとを有する複合型ヒータ
IPC: H01L21/027
Filed: 2000-02-18
Abstract: (57)【要約】
チャンバ（34）と、チャンバにガスを加えるデバイスと、基板ヒータとを有する基板加熱装置が提供される。該基板ヒータはチャンバ内に配置されて、底面を有する第１プレート（54）を含む。第１プレートの該底面は少なくとも１つの溝を有する。少なくとも１つの溝は少なくとも２つの熱ゾーンを該第１プレート上に形成する。該基板ヒータはヒータ素子（66）と第２プレート（52）とをさらに含む。該ヒータ素子は第１プレートの底面と第２プレートとの間に配置され、放射とガス伝導とによる基板の加熱を可能にする。
Patent JP-2003520864-A (JP)
Title: ナノ多孔質薄膜構造への前駆体として架橋に用いられる反応性基を有する骨格を持ったポリマー
IPC: C08G65/34
Filed: 2000-04-07
Abstract: (57)【要約】
架橋に用いられる反応性基を有する骨格を持ったポリマーからナノ多孔質材料が作製される。好ましい方法および組成物の１態様においては、骨格における前記反応性基はジエンおよびジエノフィルである。前記ジエンは有利にはテトラサイクロンを有することができ、前記ジエノフィルは有利にはエチニルを有することができる。好ましい方法および組成物の別の態様では、骨格における前記反応性基は共役系で含まれている。特に好ましいポリマー鎖は、ジフルオロ芳香族部分と芳香族ビスフェノール部分から合成されるポリ（アリーレンエーテル）を有する。ジフルオロ芳香族部分の一部が熱不安定性部分を有するような形で、ポリ（アリーレンエーテル）のジフルオロ芳香族部分を修飾することがさらに好ましい。さらに別の態様において有利には、外部架橋剤に依存することなく架橋を生じさせることができる。
Patent JP-2001237857-A (JP)
Title: Hand-over processing unit and hand-over processing method in imt-2000 system
Inventor: KIM SANG-HA
IPC: H04L12/701
Filed: 2001-01-04
Abstract: PROBLEM TO BE SOLVED: To provide a hand-over processing unit and a hand-over processing method in an IMT-2000 system by which hand-over can quickly and efficiently be conducted to eliminate waste of resources. SOLUTION: The hand-over processing unit of this invention includes an ILS-M (IMT-2000 Line Subsystem Mobility) means configuring an interface with a control station and a test interface with an analog subscriber, a connection means (ICS) that is connected to the ILS-M means, has a buffer and conducts an asynchronous transfer mode(ATM) cell switch function having a non-blocking common memory structure, and a relay means (ILS-T) that is connected to the connection means (ICS), configures a relay line interface and aids the non-connection type service.
Patent JP-2002214830-A (JP)
Title: Nonmagnetic single-component dry electrophotographic toner and developing method using the same
Inventor: FUSHIMI HIROYUKI
IPC: G03G9/087
Filed: 2001-01-12
Abstract: PROBLEM TO BE SOLVED: To obtain a nonmagnetic single-component dry electrophotographic toner which is stable even in stirring over a long period of time, superior in color reproducibility, stable with respect to amine compounds, biochemically stable and superior in environmental stability and gives a copy with a toner image which will not peel or transfer to a vinyl chloride resin sheet, even if the surface of the fixed image is brought into close contact with the sheet. SOLUTION: In the nonmagnetic single-component dry electrophotographic toner, a binder resin comprises a polyol resin, one component of which is a terminally inert polyol, having an epoxy resin moiety and an alkylene oxide moiety in its principal chain or a polyol having a specified molecular weight obtained by reacting an epoxy resin with an alkylene oxide adduct of a divalent phenol or its glycidyl ether and a compound, having two or more active hydrogen atoms reactive with epoxy groups in one molecule, and an additive comprises hydrophobic silica and titanium dioxide, each having a specified particle diameter, a specified specific surface area, etc.
Patent JP-2002214482-A (JP)
Title: Optical module
Inventor: ASAKA KOUTA
IPC: H01S5/022
Filed: 2001-01-15
Abstract: PROBLEM TO BE SOLVED: To obtain an optical module to which a plurality of optical lenses can easily be welded. SOLUTION: In the case of optically connecting an optical semiconductor device 5 with first lenses 21, 22, second lenses 12, 14, an inputting optical fiber 11 and an outputting optical fiber 13, the first lenses 21 and 22 of different focal distances are arranged with respect to the element 5 deviating positions on an optical axis lest the first lenses 21 and 22 obstruct welding of each other. Thus, the first lenses 21 and 22 can easily be welded and the optical module has high optical coupling efficiency.
Patent JP-2002216382-A (JP)
Title: Optical pickup
Inventor: INOUE HIROYUKI
IPC: G11B7/09
Filed: 2001-01-15
Abstract: PROBLEM TO BE SOLVED: To realize the whole flatness of an optical pickup at a low cost. SOLUTION: The optical pickup is provided with a light source 15, a polarizing prism 25 which changes an optical path for a luminous flux coming in from the light source, an objective lens 10 which converges the deflected luminous flux upon an optical information recording medium 14, a hologram element 20 which permits the luminous flux to be diffracted and a converging element 18 which detects the luminous flux reflecting from the optical information recording medium. The hologram element 20 is arranged between the polarizing prism 25 and the objective lens 10. The luminous flux coming in from the light source 15, which is incident upon the polarizing prism 25, makes a total reflection from the reflecting surface 26 in the polarizing prism then is deflected toward the hologram element 20 and the objective lens 10.  The luminous flux reflecting from the optical information recording medium 14, which is incident upon the hologram element 20 before diffracted and which is incident upon the polarizing prism 25, does not make a total reflection from the reflecting surface 26 in the polarizing prism 25, followed by transmission, refraction and incidence upon the converging element 18. An angle of the polarizing prism, an angle of diffraction of the hologram element and an arrangement of each component are so set up as to be constructed.
Patent JP-2002210051-A (JP)
Title: Golf club
Inventor: UMETSU MASAO
IPC: A63B53/10
Filed: 2001-01-19
Abstract: PROBLEM TO BE SOLVED: To achieve a strengthening of the tip part of a shaft and an improved directivity of hitting ball with an easier production in a golf club using the shaft made of a fiber-reinforced resin. SOLUTION: The outline of the shaft 2 is circular and the internal hollow thereof is also square in cross section and one side b of the square hollow in cross section is made to match the direction a of the plane of the face of a club head 1 parallel therewith.
Patent JP-2002209850-A (JP)
Title: Ophthalmometer
Inventor: TAMURA KAZUHIKO
IPC: A61B3/028
Filed: 2001-01-23
Abstract: PROBLEM TO BE SOLVED: To provide an ophthalmometer capable of eliminating the troublesomeness of fogging an eye to be measured in the case of examining a single eye. SOLUTION: This ophthalmometer 10 is provided with a target presenting means 11 for presenting a target to the eye to be examined, an optical element arranging means 13 for arranging a prescribed optical element between the eye to be examined and the mans 11 and a control means 12 for controlling the mans 11 and the means 13. The control means 12 includes an optometric program registration means 64 for registering the kind of an optometric program regulating the kind of the target to be presented and its presented order and an ophthalmic program performing means for performing the registered ophthalmic program automatically. The means 64 is provided with a means for setting fogging of an eye not to be measured 75e which registers whether to drive the means 13 so as to fog the eye not to be measured, which is not examined by each presented target.
Patent JP-2002216224-A (JP)
Title: Vending machine for beverage
Inventor: FUKUDA YUTAKA
IPC: G07F9/10
Filed: 2001-01-24
Abstract: PROBLEM TO BE SOLVED: To provide a vending machine for beverages improved in the maintenance property of a cooling unit integrated to the lower part of a vending machine body. SOLUTION: This vending machine is provided with an evaporator (heat exchanger) 33 provided on the commodity rack 10 side of the vending machine body 1, and a cooling unit provided in the lower area thermally partitioned from the commodity rack side of the vending machine body and connected to the evaporator through a refrigerant passing pipe 34. The cooling unit is mounted on a base 35 so as to be drawable from the vending machine body, and a flexible pipe 36 having flexibility is provided in the middle of the refrigerant passing pipe, so that the cooling unit can be drawn and maintained without separating the refrigerant passing pipe.
Patent JP-2002222555-A (JP)
Title: Disk recorder or play back having eject prevention mechanism, and method for assembling the same
Inventor: KOJIMA YASUSHI
IPC: G11B17/04
Filed: 2001-01-25
Abstract: PROBLEM TO BE SOLVED: To improve the workability for fitting an ejection control member. SOLUTION: An eject control member 9 is an elastic member including at least two leg pieces 91 and 92 protruded from a winding diameter part 93, and a fitting part 90 is formed in the first leg part 92. In a standby state, the outer peripheral edge of the winding diameter part 93 is brought into contact with a covering member 4, the second leg piece 91 is brought into contact with a stop position D point on the covering member 4 to be positioned on the covering member 4, and the tip of the leg piece 91 is brought into contact with the covering member 4 by a pressing force. On the covering member 4, a notched groove 49 is formed to allow the penetration of the second leg piece 91 when the second leg piece 91 is elastically deformed in a direction close to/away from the first leg piece 92.
Patent JP-2002222016-A (JP)
Title: Full closed position controller
Inventor: EGUCHI SATOSHI
IPC: G05D3/12
Filed: 2001-01-25
Abstract: PROBLEM TO BE SOLVED: To obtain high control stability and high position command follow-up performance at the same time even when a controlled system is large in size or low in rigidity. SOLUTION: A full closed position controller 6 which controls the position of the object system 57 by a servomotor is provided with an observer 3 which estimates a speed estimated value vLo, a torsional torque estimated value τLo, and a motor speed estimated value vmo as state variables of the object system 57, a torque feedback amplification part 4, and a feedback of torque feedback τb computed from them. A speed control loop 5 in the position controller 6 is provided with a speed feedback vLo by the speed of the object system and a speed control bandwidth compensation part 1.
Patent JP-2002014598-A (JP)
Title: Hologram original plate and method for making the same
Inventor: ICHIKAWA NOBUHIKO
IPC: G03H1/20
Filed: 2001-01-29
Abstract: PROBLEM TO BE SOLVED: To provide a hologram original plate of multilayouts which allows the use of the original plates having good characteristics as holograms of respective surfaces, may be duplicated with good efficiently and is highly durable and a method for making the same. SOLUTION: This hologram original plate is the hologram original plate 25 juxtaposed with plural unit hologram original plates 20 and in which the surfaces of the juxtaposed plural unit hologram original plates 20 are covered with one sheet of common transversely thin sheet 21 by means of adhesives 22.
Patent JP-2002229280-A (JP)
Title: Toner misregistration detecting sensor, color image forming apparatus using the same and toner misregistration detecting method
Inventor: KAWANISHI SHINYA
IPC: G03G15/00
Filed: 2001-01-31
Abstract: PROBLEM TO BE SOLVED: To provide a toner misregistration detecting sensor capable of detecting both of toner concentration and toner misregistration, a color image forming apparatus provided with the same and a toner misregistration detecting method. SOLUTION: Infrared light emitted from an infrared light emitting diode 2 is reflected by the toner being a material to be detected and the reflected light is received by a photodiode 3. A signal detecting circuit is constituted so as to connect an amplifier 5 for converting the output current of the photodiode 3 into voltage, an amplifier 6 having an optimized circuit constant to detect the color toner concentration, an amplifier 7 having an optimized circuit constant to detect the black toner concentration and an amplifier 8 having an optimized circuit constant to detect the toner misregistration into 2 stages. The output voltage of the 1st stage amplifier 5 is further amplified by the 2nd stage amplifiers 6, 7 and 8 and outputted as a color toner detection output Vo1, a black toner detection output Vo2 and a toner misregistration detection output Vo3.
Patent JP-2002228996-A (JP)
Title: Apparatus for correcting group delay time difference, and apparatus for correcting primary polarized wave dispersion
Inventor: SHICHIJO SHIRO
IPC: G02F1/03
Filed: 2001-01-31
Abstract: PROBLEM TO BE SOLVED: To provide an apparatus for correcting a group delay time difference which can correct the group delay time difference with high speed and high- reliability without mechanical sliding part for such as optical axis adjustment, and to provide an apparatus for correcting primary polarized wave dispersion. SOLUTION: The b-axis polarized light of a first birefringence crystal 10 is made incident on the c-axis polarized light of a second birefringence crystal 11, and the c-axis polarized light of the first crystal 10 is made incident as the b-axis polarized light of the second crystal 11, respectively. Light reflected on the reflective film 50 of the crystal 11 is propagated on an optical axis Q in an opposite direction, is made incident on the first crystal 10, passes through the crystal 10 and is again made incident on a circulator port 21 through a lens 22. The crystals 10 and 11 are fixed on independent temperature control elements 60 and 70, and their temperatures are controlled independently.
Patent JP-2002229787-A (JP)
Title: Program generating device
Inventor: TOYODA YOZO
IPC: G06F9/44
Filed: 2001-02-01
Abstract: PROBLEM TO BE SOLVED: To provide a program generating device capable of generating a program regardless of the experience or the like of a programmer. SOLUTION: The program generating device is provided with an input section 4 inputting parameters, which are inherent information in the program, for generating the program, an input file storage section 22 storing the inputted parameters, skeleton file storage sections 26a-26e storing skeleton files constituting a model, a knowledge file storage section 24 storing the positions where the inputted parameters are buried in the skeleton files for individual parameters, a program generation processing section 20 burying the parameters at the positions stored in the knowledge file and connecting the skeleton files buried with the parameters to generate the program, and an output section 6 outputting the generating program.
Patent JP-2002227645-A (JP)
Title: Engine with liquid pressure circuit
Inventor: NARUSE MASAKI
IPC: F01P3/20
Filed: 2001-02-01
Abstract: PROBLEM TO BE SOLVED: To provide an engine with a liquid pressure circuit, easy in maintenance, compact and low in cost. SOLUTION: In this engine, a liquid cooling circuit and a liquid pressure circuit are integrated by connecting them with each other and using the same liquid for both circuits.
Patent JP-2002227293-A (JP)
Title: Blind member
Inventor: OGURI SHINOBU
IPC: E06B9/52
Filed: 2001-02-01
Abstract: PROBLEM TO BE SOLVED: To enable blindfolding while securing ventilation by attaching to a veranda, a protective grille, a screen door or the like and enable a person to enjoy design by a pattern matched to a variety of preference. SOLUTION: Nets 3 whose mesh is finer than the diameter of a hole 2a are integrated to be adhered to a plate-like part 2 formed to arrange a number of the holes 2a and the pattern 4 can be expressed by the size and arrangement of the hole 2a.
Patent JP-2002228351-A (JP)
Title: Refrigerator
Inventor: HOSHINO HITOSHI
IPC: F25D25/02
Filed: 2001-02-02
Abstract: PROBLEM TO BE SOLVED: To provide a refrigerator facilitating storage also in a storage chamber in the uppermost part thereof. SOLUTION: In the refrigerator, a holding vessel is disposed in the storage chamber in the uppermost part and connected to the chamber by supports so that it is lowered obliquely forward. When a stored matter is put in and taken out of the holding vessel, accordingly, it can be put in and taken out of the vessel with ease, since the vessel can be lowered obliquely in front of the refrigerator.
Patent JP-2002232706-A (JP)
Title: Image processor and image processing system
Inventor: MARUYAMA TERUYUKI
IPC: H04N1/32
Filed: 2001-02-05
Abstract: PROBLEM TO BE SOLVED: To provide an image processor which, even if power shutdown interrupts a series of processings, can decide where to restart based on the suspended conditions and continue the next step from the interrupted point when the power is turned on again. SOLUTION: This image processing system comprises an image processor 101, a backup server device 104, a personal computers 102 that are constructed on a network 103. The image processor 101 is provided with an HDD 15 to store obtained image data, a non-volatile status information memory 14 to hold information on the status regarding the processing that has already been performed and will be performed next to the image data, and a control part (CPU 11 and the like) to decide the next processing to be performed to the image data after the power is turned on again based on information regarding the status held in the status information memory 14 and the next processing.
Patent JP-2002236471-A (JP)
Title: Picture display device
Inventor: KOSHIMIZU MINORU
IPC: G02F1/167
Filed: 2001-02-07
Abstract: PROBLEM TO BE SOLVED: To provide a picture display device which has simpler constitution and higher contrast and which is capable of performing a repeated rewriting with high resolution. SOLUTION: In this picture display member 20, a display-side substrate 34, a display- side electric charge conveying layer 36a, a spacer 35, a rear-side electric charge conveying layer 36a, an electric charge generating layer 38 and a rear-side electrode 39 are formed in this order between a transparent display substrate 30 and a transparent rear substrate 32, and black particles 40 and gold particles 42 are enclosed in the region demarcated by the spacer 35. Before a picture is formed on a display part 10, after a light irradiating part 12 irradiates the whole surface of the display part 10 with rays of light having uniform light intensity, a voltage control part 22 forms a uniform electric field so that the display-side electrode 34 becomes positive.  As a result, the gold particles is moved to the rear-side substrate 32 to put the display surface into an initialization state in uniform black color. At the time of forming a picture, this display device displays a multiple gradation density picture by making charge amount of particles different in accordance with light intensity while irradiating the rear-side substrate 32 with a pattern light which is modulated by the light intensity corresponding to multiple gradation density data.
Patent JP-2002238109-A (JP)
Title: System for driving, propelling and controlling of linear motor car
Inventor: KAWAGUCHI KIYOSHI
IPC: E01B25/32
Filed: 2001-02-08
Abstract: PROBLEM TO BE SOLVED: To make a system for driving, propelling and controlling a linear motor car very small and light in weight, and to reduce its cost. SOLUTION: Magnetic coils 305 for driving and propelling the car and permanent magnets 106 are each provided at the ground side and at the vehicle side respectively. The coils 305 are arranged in a linear state to the direction of movement, with each coil being wired in parallel with slip rails 301, 302, 303 in a ladder state. The coils are connected in a wiring direction, with the polarity of neighboring coils changing alternately or in cross-connected manner. The magnets 106 at the vehicle side are arranged at positions facing the coils, in a direction such that neighboring polarity is rotated by 90 degrees.  A power converter 102 for feeding and controlling the coils is provided at the vehicle side, additional slip rails 201, 202 for feeding AC power of a commercial frequency to the power converter are provided at the ground side, and a plurality of collecting and slidably contacting devices 103, 104, 107, 108, 109 for exchanging electric power between each slip rail are each provided at the vehicle side.