baber/WOPTO huggingface dataset:
Patent JP-2008514562-A (JP)
IPC: C07F9/50
Filed: 2005-09-20
Abstract: The present invention relates to the use of copper(I) complexes of the formula I where X is nitrogen or a C—R group, R is alkyl or aryl, Ar is phenyl or naphthyl, each of which is optionally substituted by from one to three radicals selected from the group consisting of alkoxy, alkylthio, alkylamino, dialkylamino, alkoxycarbonyl, alkoxysulfonyl, halogen, cyano, carboxyl, hydroxysulfonyl and nitro, and the two optionally substituted phenyl or naphthyl radicals may be joined to one another by a chemical single bond via the carbon atoms in the α- and α′-position relative to the phosphorus atom, n is 1, 2 or 3, and Y is halogen, cyano, thiocyanato, alkoxy, aryloxy, alkylthio, arylthio, alkylamino, dialkylamino, arylamino or diarylamino, in organic light-emitting diodes (OLEDs), The present invention further relates to light-emitting layers which comprise at least one copper(I) complex of the formula I, to OLEDs which comprise at least one copper(I) complex of the formula I or an inventive light-emitting layer, and to stationary visual display units which comprise inventive OLEDs. Furthermore, the present invention relates to novel copper(I) complexes of the formula Ia and Ib where R, Ar and n are each as defined in formula I, Y in formula Ia is defined as cyano, thiocyanato, alkoxy, aryloxy, alkylthio, arylthio, alkylamino, dialkylamino, arylamino or diarylamino, and Y in formula Ib is defined as halogen, cyano, thiocyanato, alkoxy, aryloxy, alkylthio, arylthio, alkylamino, dialkylamino, arylamino or diarylamino.
Patent JP-2008515358-A (JP)
Title: パケットベースの無線通信のためのマルチキャリアインクリメンタル冗長
IPC: H04J1/00
Filed: 2005-09-29
Abstract: 【解決手段】本明細書では、無線通信システムにおいて、誤り回復に役立つインクリメンタル冗長を提供する方法及び装置が開示される。 送信される情報の１又は複数の冗長バージョンが、最初のバージョンとは異なるキャリアで送られる。 受信機終端において、冗長バージョンは、選択結合、選択的軟結合、又は軟結合を含む硬結合技術あるいは軟結合技術を用いて結合される。 【選択図】      図２Ｂ
Patent JP-2008515800-A (JP)
Title: 眼科疾患の処置剤としてのポリアミン類似化合物
IPC: A61P9/00
Filed: 2005-10-04
Abstract: 本開示は、ポリアミン類似化合物、特にコンホメーションが制約を受けるポリアミン類似化合物を用いて、眼科疾患を処置する方法に関する。処置される眼科疾患は、黄斑変性を含む、新脈管形成および／または新生血管形成によって特色づけられる種々の眼科疾患を含む。湿潤性黄斑変性および乾燥黄斑変性の両方ともが、本発明の方法を用いて処置され得る。本発明は、持続性放出処方物および持続性放出デバイスを含む、眼科処方物もまた提供する。
Patent JP-2008517896-A (JP)
Title: Ｃ型肝炎ウイルスプロテアーゼの阻害剤並びにそれを用いた組成物及び治療
IPC: A61P31/14
Filed: 2005-10-10
Abstract: 本発明はＣ型肝炎ウイルス(HCV)プロテアーゼ酵素の阻害剤として有用であり、そしてまたヒトを含むHCV感染哺乳動物におけるHCV感染の治療に有用である式Ｉ、II若しくはIVの化合物又は医薬上許容しうる塩及び溶媒和物を提供する。また、本発明は、式Ｉ、II又はIVの化合物、その医薬上許容しうる塩及び溶媒和物を含んでなる医薬組成物を提供する。さらにまた、本発明は式Ｉ、II及びIVの化合物の製造における中間化合物及び有用な方法を提供する。   【化１】
Patent JP-2008518840-A (JP)
IPC: B60R25/021
Filed: 2005-11-02
Abstract: A steering lock for locking the steering spindle of a motor vehicle steering system including a blocking element that pivots along a longitudinal axis from a locking to an unlocking position using an electromechanical drive and is maintained in the unlocking position by a spring-loaded lever. In order to enable the lever to maintain the blocking element in the unlocking position when a worm drive generates the displacement of the blocking element, a worm gear representing a first control contour is used. A first cam for pivoting the blocking element to the unlocking position and a second cam for actuating the lever are mounted on the worm gear. Prior to the pivoting of the blocking element from the unlocking to the locking position, the lever is pivoted from a rest into a release position and, only afterwards, the worm gear enables the blocking element to pivot to the locking position.
Patent JP-2008521098-A (JP)
Title: 可制御読出し範囲を備える組合せｅａｓ、ｒｆｉｄラベル又はタグ
IPC: G06K19/077
Filed: 2005-11-15
Abstract: 保全タグは所定の表面領域を有するＥＡＳ構成要素と、所定の表面領域を有するＲＦＩＤ構成要素を含む。ＥＡＳ構成要素の表面領域はＲＦＩＤ構成要素表面領域に少なくとも部分的に重なるように構成される。ＲＦＩＤ構成要素は上記第１表面に少なくとも部分的に重なるアンテナを含む。厚みを有する実質的に平面のスペーサはＥＡＳ構成要素とＲＦＩＤ構成要素の所定の表面領域の間に少なくとも部分的に配設されている。スペーサの厚みは、ＲＦＩＤ読取装置とＲＦＩＤ構成要素の間の読出し範囲を決定する。ＲＦＩＤ読取装置は、ＲＦＩＤ構成要素が読出し範囲内にあるとき、ＲＦＩＤ構成要素を活性化できる。アンテナは複素インピーダンスを有し、ＥＡＳ構成要素はアンテナのインピーダンスマッチングネットワークの一部を形成する。   【選択図】図４
Patent JP-2008531468-A (JP)
Title: 末梢血管疾患の処置のための方法および組成物
IPC: A61P37/02
Filed: 2006-03-03
Abstract: 本発明は、必要とする患者に、有効量の１１-デオキシ-プロスタグランジン化合物を投与することを含む、哺乳類対象における末梢血管疾患を処置する方法を提供する。
Patent JP-2008520309-A (JP)
IPC: A61N1/36
Filed: 2005-11-23
Abstract: An implantable medical device comprises a hermetically sealed housing having a housing wall with an interior surface, and an ultrasonic acoustic transducer, the transducer comprising one or more piezoelectric discs fixed to the interior surface of the housing wall, such that the housing wall acts as a diaphragm in response to induced movement by the one or more piezoelectric material discs.
Patent JP-2008523400-A (JP)
IPC: H04W64/00
Filed: 2005-12-13
Abstract: A synchronization device for determining a position of a synchronization signal in a receive signal, the synchronization signal being based on a coarse synchronization signal and a fine synchronization signal, includes a signal processing means configured to determine, based on the coarse synchronization signal, a section of the receive signal in which is located the fine synchronization signal, and to determine in the section of the receive signal, based on the fine synchronization signal, the position of the synchronization signal in the receive signal for a synchronization.
Patent JP-2008526162-A (JP)
IPC: H04M1/60
Filed: 2005-12-21
Abstract: The present invention relates to an audio communication system and method with improved acoustic characteristics. In particular, the present invention discloses a system and a method for modifying the loudspeaker signal for allowing improved echo cancellation of the audio signal captured by the microphone without deteriorate the perceptual stereo (or multi channel) sound. The basic idea is to merge the signals from the different channels into a mono characteristic signal, still keeping sufficient spatial information to provide perceptual multi channel sound on the loud speaker.
Patent JP-2008526425-A (JP)
Title: 車両用シート
IPC: A47C7/02
Filed: 2006-01-18
Abstract: 本発明に係る車両用シート１０は、バックフレーム３１をバックシェル３２が覆っているので、ウレタンパッドでシートバックの形状を形成している場合にように容易に形状が変化せず、乗員を確実にホールドすることができる。また、バックシェル３２はバックフレーム３１に対して変位自在に支持されているので、乗員の体形や姿勢に合わせてバックシェル３２が変位することになり、乗り心地良く着座することができる。
Patent JP-2008529360-A (JP)
Title: 阻止帯域性能の改良されたフィルタ
IPC: H03H7/075
Filed: 2006-01-20
Abstract: 【解決手段】複数の異なる周波数を含む入力信号を受信するための入力端と、第１の周波数帯域内の出力信号を通過させるための出力端とを有することができるフィルタが開示される。フィルタは、フィルタの入力端とフィルタの出力端との間に結合された回路を含んでいてもよく、この回路は、第２の周波数帯域内の入力信号の減衰を増加させるよう、第２の周波数帯域内に１つまたは複数の零点を加えるようになっていてもよい。フィルタの複数の部分を用いて、このような回路を形成することができる。フィルタは、このフィルタを用いる電気的システムによって使用可能である。
Patent JP-2008528741-A (JP)
IPC: C09D5/02
Filed: 2006-01-25
Abstract: A method of preparing an aqueous oligomeric or polymeric compound comprising the steps of: 
i) contacting at least one monomer of the general formula  I :  
 (R 1 O-) m Si(-R x -NR 2 R 3 ) 4-m   I  I   
ii) reacting the components in (i) to form an oligomer or polymer; and 
iii) removing released alcohol, R 33 COOH, R 34 COOH and/or water.
Patent JP-2008528671-A (JP)
Title: Ｈｄａｃ阻害剤を用いる併用療法
IPC: A61K33/243
Filed: 2006-02-03
Abstract: 本発明は、癌、例えば肺癌、多発性骨髄腫、リンパ腫、および上皮性卵巣癌を治療する方法であって、それを必要とする患者に、ヒストンデアセチラーゼ（HDAC）阻害剤、例えばPXD-101の第1の量もしくは用量および他の化学治療薬、例えばデキサメタゾンもしくは5-フルオロウラシル、または上皮成長因子レセプター（EGFR）阻害剤、例えばTarceva(登録商標)の第2の量または用量を投与するステップを含んでなり、その場合、第1および第2の量または用量は治療上有効な量を含む上記方法に関する。
Patent JP-2008536255-A (JP)
Title: 単色ｘ線源及びこのようなｘ線源を用いたｘ線顕微鏡
IPC: G01N23/227
Filed: 2006-02-14
Abstract: この単色Ｘ線源は、ある元素を有する放出原子を含む材料からなるターゲットを特に含み、前記原子は、電子線照射によって必須的に前記原子のＫ層に位置する電子が励起される。前記材料は、通常固体状態であり、前記放出原子に束縛される、１つまたは複数の元素を表す構造化原子を用いて結合され、前記構造化原子は、前記放出原子によって放出される前記Ｘ線において２．３μｍ −１ 以下の吸収係数を有する。前記構造化原子の原子番号は、前記放出原子の原子番号より小さい。
Patent JP-2009163691-A (JP)
Title: Image processor and program
Inventor: ARAI HIDESATO
IPC: G06T1/00
Filed: 2008-01-10
Abstract: <P>PROBLEM TO BE SOLVED: To easily determine whether a face is just focused in an image or not.  <P>SOLUTION: An imaging device 100 provided with a recording medium 5 for recording an image data of a subject image and focusing position information, while correlated each other, is provided with a CPU 71 for executing processing for detecting the face of a person within the subject image, based on the image data recorded in the recording medium, processing for acquiring face position information concerned in a position of the face of the detected person, and processing for comparing the acquired face position information with the focusing position information recorded correlatedly with the image data, and for determining whether the face within the subject image is just focused or not.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009167543-A (JP)
Title: Cellulose/polyolefinic composite material, and method for producing the same
Inventor: SUZUKI TORU
IPC: D04H1/425
Filed: 2008-01-11
Abstract: <P>PROBLEM TO BE SOLVED: To provide a readily producible cellulose/polyolefin-based composite material having excellent balance among physical properties and excellent linear expansion characteristics.  <P>SOLUTION: The cellulose/polyolefin-based composite material comprises (A) a cellulose nonwoven fabric, (B) a modified polyolefin having functional groups, and (C) a polyolefin. The method for producing the cellulose/polyolefin-based composite material comprises dipping or coating (A) the cellulose nonwoven fabric with (B) the modified polyolefin having the functional groups, and then laminating (C) a polyolefin thereto.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009165980-A (JP)
Title: Method for forming multi-layer coating film
Inventor: OKAMOTO TOMOYUKI
IPC: B05D1/36
Filed: 2008-01-17
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method for forming a multi-layer coating film, which is capable of forming a coating film excellent in scratch resistance, acid resistance, surface finish appearance, etc., and capable of reducing the number of processes and the emission amount of a solvent.  <P>SOLUTION: The method for forming a multi-layer coating film includes: simultaneously curing a base coating material (A) comprising a carboxyl-containing and hydroxyl-containing resin, a specified tertiary amino-containing resin, and a hydroxyl-reactive crosslinking agent, a water-based coloring coating material (B), and a clear coating material (C) to form a three-layer coating film; coating the three-layer coating film with a clear coating material (D) comprising a specified hydroxyl-containing acrylic resin, a trifunctional HMD isocyanurate compound, and a specified low-molecular-weight polyester-polyol; and curing the clear coating material by heating.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009172556-A (JP)
Title: Slit coat type coating device and coating method
Inventor: YAMAOKA TAKUSANE
IPC: B05D1/26
Filed: 2008-01-28
Abstract: <P>PROBLEM TO BE SOLVED: To provide a slit coat type coating device and a coating method which are realized at a relatively reduced cost and can form a uniform coating thickness.  <P>SOLUTION: The device includes a hold table 20 holding a substrate 1 on the surface of a lower side in a vertical direction, a first liquid vessel 30 arranged facing to the surface of the substrate 1 held by the hold table 20 and storing a predetermined coating solution 2, a coating head 40 held movably in a vertical direction in the first liquid vessel 30 and having a slit type nozzle 41 flowing out a coating solution stored in the first liquid vessel 30 toward the surface of the substrate 1, and a second liquid vessel 50 held movably in a vertical direction and storing the coating solution 2 communicating to the first liquid vessel 30 through a communicating pipe 60; and is provided with a control means controlling the height of the second liquid vessel 50 corresponding to movement of the coating head 40 when coating the substrate 1 with the coating solution 2.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2008208351-A (JP)
Title: METHOD FOR PRODUCING ETHYLENE-alpha-OLEFIN-BASED COPOLYMER
Inventor: HAMA HISAKATSU
IPC: C08F210/16
Filed: 2008-01-29
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method for producing an ethylene-α-olefin-based copolymer by continuous multi-stage polymerization, by which the ethylene-α-olefin-based copolymer excellent in a balance between strength and elongation is obtained.  <P>SOLUTION: This method for producing the ethylene-α-olefin-based copolymer, comprising continuously polymerizing ethylene with an α-olefin in the presence of an olefin polymerization catalyst in a solvent in a polymerization reaction device in which two or more polymerization tanks are connected to each other in series, is characterized by having the first polymerization process for producing a polymer component in a polymerization condition in which a flow state is ≥1.5 tanks as a perfect mixing tank line model, and the second polymerization process for producing a polymer component in one polymerization reaction device in a polymerization condition in which a flow state is <1.5 tanks as a perfect mixing tank line model, and the (n1/n2) ratio of the tank number (n1) in the perfect mixing tank line model in the first polymerization process/the tank number (n2) in the perfect mixing tank line model in the second polymerization process is ≥1.5.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2009178390-A (JP)
Title: Interdental brush
Inventor: KAJITA KEISUKE
IPC: A46B9/04
Filed: 2008-01-31
Abstract: <P>PROBLEM TO BE SOLVED: To provide an interdental brush which can be easily inserted obliquely between molars especially and reducing the unpleasant feeling of metals.  <P>SOLUTION: In the interdental brush 10 having a wire brush part 2 and a holding part 1 connected to the wire brush part 2 to be held during use, the wire brush part 2 has a wire part 2a and a brush part 2b comprising a plurality of filaments planted to the wire part 2a, and the holding part 1 includes a rear holding part 1b connected to the wire brush part 2 and a front holding part 1a connected to the front of the rear holding part 1b. The buckling strength of the wire brush part 2 is 150-800gf, and an angle formed by the center line of the front holding part 1a and the center line of the rear holding part 1b is 120 to 175 degrees.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009185393-A (JP)
Title: Method and device for doubling nanofibers
Inventor: TOMINAGA YOSHIAKI
IPC: D01D5/18
Filed: 2008-02-01
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method for doubling nanofibers, by which a uniform yarn comprising nanofibers produced by a charge-inducing spinning method and having a high strength can stably be produced.  <P>SOLUTION: Provided is the method for doubling the nanofibers, characterized by making raw material solutions to flow out from small holes 10, applying an electric charge to the raw material solutions, subjecting the charged solutions to an electrostatic explosion to draw the solutions to produce the nanofibers 2, grounding a circular electrode 22 which is disposed at a place separated from the small hole 10 by a prescribed distance and has at least one projection 23 at a site facing the small hole 10, or applying a voltage having a polarity opposite to the charged voltage of the raw material solution to the circular electrode 22, rotating the electrode 22 on its center, making the produced nanofibers 2 to revolve and flow in the rotated electrode 22, neutralizing the charge of the nanofibers 2 with an ion wind produced with the projection 23 of the electrode 22, simultaneously bundling and twisting the nanofibers, and then recovering the yarn 7 comprising the twisted nanofibers 2 with a recovering means 8.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009187608-A (JP)
Title: Perpendicular magnetic recording patterned medium and magnetic recording and reproducing device
Inventor: ISOWAKI YOSUKE
IPC: H01F10/16
Filed: 2008-02-05
Abstract: <P>PROBLEM TO BE SOLVED: To provide a perpendicular magnetic recording patterned medium excellent in heat stability while reducing a write-in magnetic field in a bit area, with less occurrence of a reversed magnetic domain in a position control information area of a head.  <P>SOLUTION: The perpendicular magnetic recording patterned medium includes: a nonmagnetic substrate 2; a soft magnetic base layer 3 formed on the nonmagnetic substrate; a nonmagnetic intermediate layer 4 formed on the soft magnetic base layer; and a perpendicular magnetic recording layer 7 which is formed on the nonmagnetic intermediate layer and has a layered structure of a CoPt based crystalline film 5 whose Pt content is 5 to 35 at.% and a rare earth-transition metal alloy amorphous film 6 formed on this CoPt based crystalline film, wherein the CoPt based crystalline film and rare earth-transition metal alloy amorphous film are exchange coupled and the perpendicular magnetic recording layer makes an arrangement of a patterned fine shape.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009187206-A (JP)
Title: Apparatus for supporting decision of optimum machining condition for precision machining
Inventor: TSUCHIYA KOJI
IPC: G05B19/409
Filed: 2008-02-05
Abstract: <P>PROBLEM TO BE SOLVED: To provide an apparatus for effectively supporting engineers in deciding optimum machining conditions for precision machining.  <P>SOLUTION: The apparatus for supporting the decision of optimum machining conditions for precision machining includes: a machining data storage part for storing work machining conditions and NC data; a measurement data storage part for storing measurement data on machined work; a derivation storage part for storing derivation between nodes each composed of a data group of corresponding machining conditions, NC data and measurement data; and a display part for displaying the information about the nodes in a tree diagram according to the derivation.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009193740-A (JP)
Title: Switch device
Inventor: UMEZAWA KATSUHITO
IPC: H01H13/14
Filed: 2008-02-13
Abstract: <P>PROBLEM TO BE SOLVED: To provide a switch device with a miniaturizable operation knob, and excelling in attachment workability of the operation knob.  <P>SOLUTION: This switch device is provided with: a front panel 1; a circuit board 2; a pushing type switch 3; the operation knob 4 made of a synthetic resin; and a case body 5; and includes a reception part 55 integrally having a spring part 45 restoring the operation knob 4 to a position before the operation by termination of the pushing operation of the operation knob 4, and receiving the spring part 45 when the case body 5 pushingly operates the operation knob 4. In the switch device, the spring part 45 includes a flange part having a pressing part 451 pressing the reception part 55 when the spring part 45 pushingly operates the operation knob 4, and an elastic deformation part 452 permitting movement of the operation knob 4 in a pushing direction A in a pressed state of the reception part 55 by the pressing part 451, and radially expanding based on the center axis C of the operation knob 3.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009190264-A (JP)
Title: Printing plate, and printing device for can
Inventor: KUMAZAKI KENJI
IPC: B41C1/05
Filed: 2008-02-14
Abstract: <P>PROBLEM TO BE SOLVED: To provide a printing plate which achieves precise image formation without causing strain in the image part even if laser engraving is performed, has high ink transferability, and can increase the precision of printing, and to provide a printing device for a can.  <P>SOLUTION: Disclosed is a printing plate 10 in which a resin layer 3 is subjected to laser engraving, so as to form an image part. The resin layer 3 is provided with a surface layer 5 at which the image part is arranged and a supporting layer 4 laminated at the inside of the surface layer 5 and having a hardness different from that of the surface layer 5, and is composed of at least two layers.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009094046-A (JP)
Title: Fuel cell
Inventor: KANAO MASAAKI
IPC: H01M8/02
Filed: 2008-02-14
Abstract: <P>PROBLEM TO BE SOLVED: To provide a fuel cell in which local cross leakage of reaction gas in a membrane electrode assembly is suppressed and the membrane electrode assembly is suppressed from local deterioration caused by local power generation concentration.  <P>SOLUTION: A fuel cell module 40A is constituted by laminating a cathode-side metal porous body 43c and an anode-side metal porous body 43a on either face of the MEA (an electrolyte membrane 411m, a cathode 411c, an anode 411a), respectively, and by pinching these porous bodies with separators 42. At the separator 42, an air supply port 422os and a hydrogen supply port 422hs are formed. In the MEA, a gas-impermeable resin film 411cfi is provided at a site existing between a cathode-side catalyst layer 411cc and a cathode-side diffusion layer 411cd and opposed to the air supply port 422os, and a gas-impermeable resin film 411afi is equipped at the site existing between an anode-side catalyst layer 411ac and an anode-side gas diffusion layer 411ad and opposed to the hydrogen supply port 422hs, respectively.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2008248228-A (JP)
Title: Polymer having unit formed by condensation of difluorocyclopentanedione ring and aromatic ring, organic thin film using the same, and organic thin film device
Inventor: IE HIROTAKA
IPC: H01L27/146
Filed: 2008-02-15
Abstract: <P>PROBLEM TO BE SOLVED: To provide a novel polymer which can be utilized as an organic n-type semiconductor which is excellent in electron transportation property.  <P>SOLUTION: The polymer has a repeating unit represented by the general formula (I) and a reduction potential based on ferrocene as measured by cyclic voltammetry of from -1.5 V to -0.5 V. In the formula, Ar<SP>1</SP>represents a divalent aromatic hydrocarbon group or a divalent heterocyclic group. These groups may be substituted by a substituent.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009189700-A (JP)
Title: Inverter driving fire extinguishing pump system
Inventor: SATO KOICHI
IPC: A62C35/64
Filed: 2008-02-18
Abstract: <P>PROBLEM TO BE SOLVED: To provide a system capable of appropriately supplying water to a specified discharge device by determining an inverter operation frequency in association with pump performance to be used concerning a water supply amount and water supply pressure which are required by the discharge device specified based on a discharge signal.  <P>SOLUTION: An inverter including a frequency setting means and a storage means previously sets and stores the operation frequencies corresponding to the discharge signals of a discharge signal originating means group. A control part outputs an operation signal to the inverter, based on the action signal of a pressure detecting means, and also outputs a speed command signal to select the operation frequency stored in the inverter, based on the discharge signal. Then, the operation is controlled.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009195086-A (JP)
Title: Uninterruptible power supply
Inventor: SUEHIRO YUTAKA
IPC: H02M7/48
Filed: 2008-02-18
Abstract: <P>PROBLEM TO BE SOLVED: To reduce the number of parts and power loss of a single-phase AC uninterruptible power supply.  <P>SOLUTION: A half bridge type AC-DC conversion circuit is composed of first and second FET switches S1, S2, first and second capacitors 7, 8, and a first reactor 6. A storage battery 12 is connected to a series circuit of the first and second capacitors 7, 8 in parallel. A half bridge type inverter composed of third and fourth FET switches S3, S4 is provided. An input switch 13 is connected between a first power supply terminal 1a and an interconnection point P1 of the first and second capacitors 7, 8. A load 2 is connected between a second power supply terminal 1b and an inverter output terminal 3. When the frequency of an AC power supply 1 is abnormal, the input switch 13 is turned OFF, the first to the fourth FET switches S1 to S4 are operated as a full bridge type inverter to feed a voltage of constant frequency to the load 2. At the power failure, a bypass switch 16 is turned ON.  <P>COPYRIGHT: (C)2009,JPO&INPIT