baber/WOPTO huggingface dataset:
Patent JP-2006178352-A (JP)
Title: Shrinkable label and manufacturing method for the same
Inventor: ABE SHINGO
IPC: G09F3/02
Filed: 2004-12-24
Abstract: <P>PROBLEM TO BE SOLVED: To provide a shrinkable label on which ink jet printing is performed, and to provide a manufacturing method for the same.  <P>SOLUTION: In the shrinkable label 10, an acceptance agent layer 13 is provided to one face of a resin film 11, having heat-shrinking properties. In a manufacturing method of the shrinkable label, the acceptance agent layer is formed, by applying acceptance agent on one face of the resin film having the heat-shrinking properties, and by drying it at a temperature lower than heat-shrinking start temperature.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2006179435-A (JP)
Title: Light-emitting design body and manufacturing method of the same
Inventor: NIIMURA HITOSHI
IPC: H05B33/02
Filed: 2004-12-24
Abstract: <P>PROBLEM TO BE SOLVED: To provide a light-emitting design body with high reliability having an EL element structure on a metal plate, excellent in a sense of unity, of which wiring is invisible from outside.  <P>SOLUTION: A base plate is formed by forming a conductive part by partially removing an insulating oxide film after forming the insulating oxide film on a metal plate, or by printing an insulation layer on a part excluding the conductive part so as to partially form the conductive part on the metal plate by using an ink having insulation property. A back side electrode is formed on the base plate so as to become conductive with the conductive part. A dielectric layer and a light emitting layer are formed on the back side electrode by fitting them to the shape of the back side electrode, and a transparent upper electrode is formed on the light emitting layer.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2006183742-A (JP)
Title: Element correction method and apparatus of continuously variable transmission belt
Inventor: YONEDA KENJI
IPC: F16G5/16
Filed: 2004-12-27
Abstract: <P>PROBLEM TO BE SOLVED: To obtain eliminating and inhibiting sufficient effects on abnormal-shaped portions by making it possible to vary diversely test conditions of a continuously variable transmission belt.  <P>SOLUTION: An element correction device (20) of the continuously variable transmission belt is equipped with a drive pulley (20a), a driving force control means (21, 37) for controlling driving force of the drive pulley, a driven pulley (20b), a load power control means (28, 37) for controlling load power of the driven pulley, a diametrical proportionality control means (35, 36, 37) for controlling a diametrical ratio of the drive pulley and the driven pulley, and a control instruction value input means (38, 39) for inputting individually and arbitrarily control instructions to the driving force control means, the load power control means and the diametrical proportionality control means.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2006181093-A (JP)
Title: Chair with table
Inventor: NAGAMITSU SATOSHI
IPC: B60N3/00
Filed: 2004-12-27
Abstract: <P>PROBLEM TO BE SOLVED: To provide a chair with a table for which the table is rotated safely to the rear part by imparting appropriate resisting force to the rotation of the table from the stage that the table is rotated to the rear side and inclined to some extent until it is arranged at a complete horizontal using position.  <P>SOLUTION: The chair with the table is provided with a table device 7 provided with: a table housing box 10 provided with an opening 17 on an upper part, formed in a box shape, and attached to the rear surface of the backrest 5 of the chair 1; the table 11 housed inside the table housing box 10 and used by being pulled out through the opening 17 and rotated to the rear side to the horizontal using position; and an elastic plate 24 as a buffer member for imparting turning resistance to be gradually increased to the table 11 after the table 11 is rotated by a fixed angle and inclined toward the horizontal using position until it reaches the horizontal using position.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2006150922-A (JP)
Title: Ring cover of system notebook and system notebook with ring cover
Inventor: OTA MAKIKO
IPC: B42D3/04
Filed: 2004-11-29
Abstract: <P>PROBLEM TO BE SOLVED: To provide a ring cover of a system notebook for protecting a side surface of the back of one's hand by putting a band like body on a ring of the system notebook, and to provide the system notebook with the ring cover.  <P>SOLUTION: The ring cover of the system notebook and the system notebook with the ring cover are featured by providing a furnishing hole conforming to a position of the ring of the system notebook on the market on a lower one side of an oblong narrow band. They are featured by providing the oblong narrow strip on the ring cover of the system notebook and on either left or right one side upper part of the system notebook cover.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2006182436-A (JP)
Title: Pouch with spout
Inventor: MORI MASAHIRO
IPC: B65D33/38
Filed: 2004-12-28
Abstract: <P>PROBLEM TO BE SOLVED: To provide a pouch with a spout through which contents are filled/extracted and almost all the contents can be squeezed out without leaving the remnants of the contents.  <P>SOLUTION: The nearly rectangular shaped pouch with the spout 10 is formed by overlapping and heat-sealing the peripheries 21A, 21B, 21C, 21D of a plurality of sheets 20A, 20B and installing a tubular spout member 30 for filling and extracting the contents provided on part of the heat-sealed peripheries 21A, 21B, 21C, 21D. The spout member 30 is provided on a position 22 avoiding the center of the side 21A of the nearly rectangular shape, and the length of a straw 32 extending to the inside of the pouch 10 from the spout member 30 is not larger than half the length L of the side 21B or 21D adjacent to the side 21A on which the spout member 30 is provided and not smaller than zero.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2006158910-A (JP)
Title: Reduced pressure cooker reducing pressure using tap water
Inventor: FUJINO YOSHIO
IPC: A47J43/28
Filed: 2004-12-06
Abstract: <P>PROBLEM TO BE SOLVED: To provide a structure of a multifunctional reduced pressure cooker which can boil and cook while reducing pressure in the container easily using tap water which can be obtained easily in any kitchen, without using electricity, because it is highly effective if a pan or a cooker of daily use in the kitchen can be immediately used as a reduced pressure container to apply a wide range of industrially proved vacuum technology to cooking in the kitchen, but it is difficult to realize it due to difficulties in facilities.  <P>SOLUTION: On part of the lid which has higher compatibility with a wide area of airtight packing on the back side, a reduced pressure hole and a normal pressure hole are made through and the reduced pressure hole is covered with the reduced pressure valve which opens in the direction of evaporation of air and the normal pressure hole is closed. An isolation plate is placed at the position where the reduced pressure valve is covered and a flowing water tube with a quadrate cross-section surface is provided so that the reduced pressure valve and the isolation plate go under the water deeply. On the top end of the flowing water tube, a water supply hole is provided and on the other end, a water discharge hole is provided. The quadrate opening of the edge of the isolation plate which opens towards the downstream is pressed flat to form a nozzle. The flow channel is adjusted by the tilted current plate so that the flow rate at the tip of the nozzle becomes maximum. At this moment, the pressure is reduced by a physical action of viscosity of water molecule and the pressure in the space in the cooker located under the packing is reduced and does not leave the lid. The normal pressure hole is opened and the pressure is returned to the atmosphere pressure. Availability is enhanced when a sucking hole through the lid is provided and the vacuum pump is independent.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2006172413-A (JP)
Title: Ordering/order receiving processing system
Inventor: KOMEICHI AKIRA
IPC: G06Q50/00
Filed: 2004-12-18
Abstract: <P>PROBLEM TO BE SOLVED: To provide an ordering/order receiving processing system capable of freely generating a commodity image for handling the created commodity image along with ordering/order receiving information for eliminating disagreement between the commodity image and a commodity name for performing sure ordering/order receiving work.  <P>SOLUTION: This ordering/order receiving processing system, which is provided with a server storing ordering/order receiving information and a client computer connected to the server via a communication line for allowing input of various information, can perform commodity ordering/order receiving processing while integrating text information and image information about order/order receiving. The server is provided with a database consisting of various tables storing information about ordering/order receiving, various masters storing information such as item names, customers, users and the like, and an image information storage area storing image information about commodities. The client computer can give ordering/order receiving information to the server to read/write it from the database and can draw image information about a commodity related to the ordering/order receiving by means of a drawing means based on the input information.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2006167417-A (JP)
Title: Vertical lift rotating kite with helicopter-like rotary wing
Inventor: FUJINO YOSHIO
IPC: A63H27/08
Filed: 2004-12-16
Abstract: <P>PROBLEM TO BE SOLVED: To provide an unprecedented dynamic rotating kite stopping an inverse rotation causing a descending thrust by effectively using a wind power from the lower part and generating a rotating force in the normal rotation direction, and to provide a method for constantly retaining the normal rotation direction.  <P>SOLUTION: This vertical lift rotating kite is installed with main wings 1 and 2, and ailerons 8 and 9 in a rotation system of a rotation base which has a bearing 5 in its central part, and a shaft with a kite string fixed at its lower end penetrating therethrough. The ailerons have the depression angle larger than the elevation angle of the main wings relative to the normal rotation direction of the rotation system, the wind force from the lower part drives the ailerons having the depression angle to normally rotate, and the ascending thrust is obtained by the elevation angle in the normal rotation direction of the main wings mechanically connected thereto.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2006183981-A (JP)
Title: Hot water heating mat
Inventor: KOSAKA YUKIYO
IPC: F24D3/16
Filed: 2004-12-24
Abstract: <P>PROBLEM TO BE SOLVED: To provide a hot water heating mat easy to handle with high safety and satisfactory performance, and having functions requested for a bathroom mat at low cost.  <P>SOLUTION: This mat comprises a sheet-like mat substrate 3 formed of closed-cell plastics such as urethane foam, sheet-like facing members 1 and 2 formed of rubber or plastics, which are laminated on the surface side and reverse side of the mat substrate 3, and a sheet-like soaking plate 5 interposed between the surface-side facing member 1 and the mat substrate 3. The laminated facing members 1 and 2, the soaking plate 5 and the mat substrate 3 are mutually fixed by an adhesive or the like. A groove part 20 for burying a flexible heat transfer tube 4 made of plastic such as nylon is formed on the surface side of the mat substrate 3, and protruding parts 18 and 19 are formed on the surface-side and reverse-side facing members 1 and 2, respectively, so that the surface parts of the facing members 1, 2 have irregular shapes.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2006520613-A (JP)
Title: 蝸牛に加える電気刺激の発生
IPC: A61F11/04
Filed: 2003-05-26
Abstract: 複数の電極を含む聴覚補助装置の電極配列に対して電気刺激を発生するために音声信号を処理するための方法であって、該方法は、入音声信号の１つ以上の濾波された表示（図３）を導出することと、電極刺激を直接制御するために各濾波された信号表示から一連のスパイクを発生すること（１１）と、を含む。濾波された信号表示が正方向の所定の閾値（θ；０）と交差する瞬間に基づいて、各スパイクは、時間位置を取る。
Patent JP-2006516111-A (JP)
IPC: A61K31/4745
Filed: 2003-05-28
Abstract: The invention described herein relates to a pharmaceutical composition containing vinorelbine as an active ingredient which is suitable for encapsulation in soft capsules. The liquid oral pharmaceutical composition suitable for a liquid fill composition for a soft capsule dosage form comprises: vinorelbine or a pharmaceutically acceptable salt thereof; ethanol; water; glycerol; and polyethylene glycol. In preferred embodiment, the tartrate salt form of vinorelbine is used in the composition. The invention also provides for a method of treating cancer comprising orally administering, to a patient in need of treatment thereof, a soft capsule comprising the pharmaceutical composition of the invention.
Patent JP-2005536471-A (JP)
Title: 即時放出性医薬製剤
IPC: A61K47/10
Filed: 2003-05-27
Abstract: 本発明によれば、有効成分としての式（Ｉ）：［式中：Ｒ １ は、１以上のフルオロ置換基により置換されるＣ １−２ アルキルを表し；Ｒ ２ は、水素、ヒドロキシ、メトキシ又はエトキシを表し；そしてｎは、０、１又は２を表す］の化合物又はその製剤的に許容される塩と製剤的に許容される希釈剤又は担体を含んでなる、即時放出性医薬製剤が提供される。但し、有効成分が塩の形態以外であるとき、該製剤は、１つの有効成分と水の溶液；１つの有効成分とジメチルスルホキシドの溶液；並びに、５：５：９０のエタノール：ＰＥＧ６６０  １２−ヒドロキシステアレート：水の混合物中の１つの有効成分の溶液；を単独には含有しない；そのような製剤は、心血管系障害の治療に有用である。
Patent JP-2005528537-A (JP)
IPC: D07B1/02
Filed: 2003-05-27
Abstract: Endless rope containing primary strands, the primary strands containing laid-up secondary strands, the laid-up secondary strands containing rope yarns, wherein the primary strands have been laid up from 3, 4 or 6 secondary strands, wherein the rope contains a splice in at least every primary strand and wherein the rope preferably has been laid up from 3, 4 or (1+6) primary strands or, alternatively, has been braided from 8 or 12 primary strands.
Patent JP-2005529281-A (JP)
Title: 冷却式ポンププーリ
IPC: F04D13/02
Filed: 2003-06-11
Abstract: 複合式自動車用プーリホイール・ポンプは１個のプーリホイール（２）と１基のポンプ（２２）とから成る。前記ポンプは回転軸（６）に担持されたインペラ（２０）と吸込み領域（２４）および吐出し領域（２６）とを有する。前記プーリは回転軸（６）に取付けられ、半径方向外側に向かって延びる支持アーム（４）を有し、該支持アームはプーリベルトとの係合に適合した外周面を備える、軸方向に延びる環状フランジ（１０，１２）と結合されている。フランジ（４）は内部に冷却液通路（１４）を形成し、該冷却液通路は円周方向に延びて、円周方向において離間した２箇所で流入通路（１６）と流出通路（１８）にそれぞれ連結している。流入および流出通路（１６，１８）は支持アーム（４）と回転軸（６）とを貫通して延びて吐出し領域（２６）と吸込み領域（２４）にそれぞれ通じている。
Patent JP-2005534818-A (JP)
IPC: B29C47/00
Filed: 2003-07-04
Abstract: The present invention relates to a process for the production of cellulosic moulded bodies according to the amine-oxide process, comprising the following steps: moulding a solution of cellulose in an aqueous tertiary amine oxide precipitating the moulded solution washing the moulded body thus obtained and drying the moulded body. The process according to the invention is characterized in that a chitosonium polymer is added to the solution of the cellulose and/or to a precursor of said solution and/or the moulded body is treated with a chitosonium polymer prior to drying, with the chitosonium polymer being essentially completely soluble in a standard dope.
Patent JP-2005535328-A (JP)
Title: Ｔ細胞の単離および同定
IPC: C12Q1/68
Filed: 2003-08-06
Abstract: 本発明は、自己Ｔ細胞ワクチンの改良および、それらの産生方法の改良に関連する。本発明はまた、自家Ｔ細胞ワクチンを使用する、多発性硬化症または慢性間接リウマチの様な自己免疫疾患の処置方法に関連する。本発明はさらに、Ｔ細胞が関連する疾患の診断法に関連する。本発明は一般に、抗原特異的Ｔ細胞およびより詳細には自己抗原に対し特異的なＴ細胞の単離方法に関する。目的の抗原に特異的な一以上のＴ細胞を単離するための方法は、一般的に、以下の工程：該抗原またはそれらの誘導体とともに患者から得たＴ細胞を含むサンプルをインキュベートする工程；ＣＤ６９、ＣＤ４、ＣＤ２５、ＣＤ３６およびＨＬＡＤＲからなる群より選択される一以上の第一マーカーならびに、ＩＬ−２、ＩＦＮγおよびＴＮＦα、ＩＬ５、ＩＬ−１０およびＩＬ−１３からなる群より選択される一以上の第二マーカーを発現する一以上のＴ細胞を選択する工程、を包含する。
Patent JP-2005536258-A (JP)
Title: レザーカートリッジ
IPC: B26B21/14
Filed: 2003-08-21
Abstract: レザーブレードカートリッジ（１０）は、スペーサ（２０）と複数のフィンガー（２２）とを含む可動ガイドユニット（４８）を有し、これらは、ガイドユニットが先行ブレード（１６）と該先行ブレードから後方に配置された追行ブレード（１８）との間で前方へ移動したとき、フィンガー（２２）が先行ブレードと追行ブレードとの間の隙間に流れ込む肌と噛み合って、肌と追行ブレード（１８）のカッティングエッジ（３０）との間の接触を減じるように、形状及び大きさが設定されている。
Patent JP-2005537367-A (JP)
Title: 非溶融加工性フルオロポリマーを組み込んだポリアミド組成物およびそれらに関連する方法
IPC: C08L27/18
Filed: 2003-08-28
Abstract: 添加剤として非溶融加工性フルオロポリマーを含むポリアミド組成物、およびそのような添加剤を製造する方法。そのフルオロポリマー粒子は、２．２２５よりも低い標準比重（ＳＳＧ）を有し、高分子量のポリテトラフルオロエチレンのコアと、より低分子量のポリテトラフルオロエチレンまたは変性ポリテトラフルオロエチレンのシェルとを含む。
Patent JP-2006507453-A (JP)
IPC: E06B3/54
Filed: 2003-11-17
Abstract: The insert (8) for a glass plate (1) enabling its mounting on a support is received in a hole (2) in a face of the plate. The hole is delimited by a lateral wall with an inwards directed curved retention profile (5). There are complementary insert fixing threads (16) to that (20) carried by the (19).  An Independent claim is included for glass plate.
Patent JP-2006503308-A (JP)
Title: センサ素子
IPC: G01N27/419
Filed: 2003-12-12
Abstract: 測定ガスの特性を求めるための、有利には測定ガス内のガス成分の濃度を求めるためのセンサ素子を提案する。このセンサ素子（１０）は、固体電解質（２１，２２）上に取り付けられた少なくとも１つの電極（４２，４３）を有しており、該電極は拡散路を介して測定ガスと連通しており、拡散路の中には拡散隔壁（５１，１５１）が配置されている。電極（４２，４３）とは逆側の拡散隔壁（５１，１５１）の領域には、電極（４２，４３）とは逆側の拡散隔壁（５１，１５１）の該領域における拡散断面積を減少させる手段（５２，１５２）が設けられている。
Patent JP-2006511724-A (JP)
Title: 直鎖ヒドロフルオロカーボン共溶媒を用いるフラッシュ紡糸溶液およびフラッシュ紡糸方法
IPC: D01F6/06
Filed: 2003-12-16
Abstract: ジクロロメタンまたは１，２−ジクロロエチレンの主溶媒と、直鎖ヒドロフルオロカーボンの共溶媒との溶液中のポリオレフィンを紡糸することによるプレキシフィラメント製品の製造方法、ならびにジクロロメタンまたは１，２−ジクロロエチレンの主溶媒と、直鎖ヒドロフルオロカーボンの共溶媒とに溶解されたポリオレフィンの紡糸溶液。
Patent JP-2006513643-A (JP)
Title: エラー伝播を極小化する隠蔽順を規定する技術
IPC: H04N19/895
Filed: 2003-12-30
Abstract: 方形配列（１３０）のマクロブロック（１１０）の隠蔽は、当該配列の大きいほうの辺の方向に進行することでマクロブロックの連続する行を隠蔽することにより有利に現れる。このように隠蔽を実行することで、先行する行又は列の隠蔽からの情報が、垂直、水平又は斜めのいずれの方向にも輪郭の予測を容易にするように伝えられ、その結果、隠蔽の品質が改善する。
Patent JP-2006514432-A (JP)
Title: 間隙を設けた非晶質金属系の磁性コア
IPC: H01F3/14
Filed: 2003-12-10
Abstract: 磁性物品は約１〜約20mmの範囲の間隙のサイズを有する。この磁性物品は非晶質Fe基合金からなる磁性コアを含む。コアの磁気通路に物理的な間隙が設けられる。非晶質組織を有する合金は（Fe-Ni-Co)-(Ｂ-Si-Ｃ）の成分系からなる。そのFe+Ni+Co含有量の合計は65〜85原子％の範囲である。好ましくは、コアは全体として約40〜約200の範囲の透磁率と改善された磁気特性を示す。
Patent JP-2006189715-A (JP)
Title: Protective cover for display panel, and its use
Inventor: YAMADA KAZUHIRO
IPC: G02F1/1333
Filed: 2005-01-07
Abstract: <P>PROBLEM TO BE SOLVED: To provide a protective cover for a display panel, whose cost is low and which has excellent anti-reflection property, and to provide its use.  <P>SOLUTION: The protective cover 1 includes a transparent substrate 10 and a transparent medium layer 11 for anti-reflection and is placed so that the transparent medium layer 11 for anti-reflection is brought into close contact with the screen of the display panel 2, and the refractive index N<SB>1</SB>of the transparent medium layer 11 for anti-reflection satisfies following general formula (1): No<N<SB>1</SB><Ns<SP>2</SP>(where, No is the diffraction index of air, and Ns is the diffraction index of the transparent substrate 10).  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2005135927-A (JP)
Title: Heater and its manufacturing method
Inventor: SAKO TERUHISA
IPC: H05B3/10
Filed: 2005-01-11
Abstract: <P>PROBLEM TO BE SOLVED: To provide a heater in which the surface roughness of a protective film is maintained lower than a predetermined value and the insulating withstand voltage is further raised.  <P>SOLUTION: This heater comprises a heat element 12 formed on a heat resisting insulative substrate 11 and having two belt-shaped portions extending in parallel and a coupling portion for coupling one ends of these belt-shaped portions to each other; and a protective film 14 for covering the heat element 12, the protective film 14 being formed of glass blended with Al<SB>2</SB>O<SB>3</SB>powder having the average particle diameter of 0.5-2.0μm by 3-40 wt.%.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2006196047-A (JP)
Title: Image forming device
Inventor: SAWADA KOICHI
IPC: H04N1/00
Filed: 2005-01-11
Abstract: <P>PROBLEM TO BE SOLVED: To prevent the head from damaging a disk by the impacts caused from the automatic paper feeder when closing its opening and closing component, shorten the time unable to use the magnetic disk drive while the head is retracting, and quicken retracting and returning of the head while accessing data.  <P>SOLUTION: This device checks whether the HDD 34 is accessing the data or not when it detects that the open and close components have opened or begun to close. It retracts the head to the retraction area where the head can quickly return when accessing data, but moves the head outside the disk maintaining it in an unloaded state which is high in shock resistance when not accessing.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2006203961-A (JP)
Title: Control method of pm-type motor
Inventor: AOSAKI YOSHIHIRO
IPC: H02P25/064
Filed: 2005-01-18
Abstract: <P>PROBLEM TO BE SOLVED: To provide a means that detects the erroneous recognition of a standard excitation starting angle of a PM (Permanent Magnet)-type motor.  <P>SOLUTION: In the PM-type motor provided with a magnetic pole detector that detects the polarity of a permanent magnet and a position detector that detects an electrical angle of a movable body, electrical angle intervals between changing points of a magnetic pole detection signal outputted by the magnetic pole detector are measured and compared by the position detector, and when a difference between the electrical angle interval between the changing points and a set electrical angle interval exceeds an allowable angle interval, excitation to a coil of each phase is stopped.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2006203687-A (JP)
Title: Semiconductor integrated circuit
Inventor: TANAKA KAZUHISA
IPC: H01L27/04
Filed: 2005-01-21
Abstract: <P>PROBLEM TO BE SOLVED: To provide a semiconductor integrated circuit capable of reducing the number of delay buffers in the semiconductor integrated circuit and realizing reliability improvement by attaining cost reduction, power reduction and development period shortening of an integrated circuit.  <P>SOLUTION: The semiconductor integrated circuit is provided with a delay reference data holding means for outputting delay reference data, a delay data holding means for inputting output data of the delay reference data holding means, a data comparing means for comparing the delay reference data holding means with the delay data holding means in output data for coincidence, a delay comparison result holding means for holding a result of the data comparing means at timing to be compared, and a system control means that is controlled by the delay comparison result holding means to thereby increase chip temperature after conducting to the semiconductor integrated circuit, and starts a system when a condition meeting hold time comes.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2006204051-A (JP)
Title: Dc power supply
Inventor: NINOMIYA YUKIHISA
IPC: H02M7/12
Filed: 2005-01-24
Abstract: <P>PROBLEM TO BE SOLVED: To provide an inexpensive DC power supply exhibiting high power factor and excellent boosting capacity.  <P>SOLUTION: The DC power supply comprises a rectifying means 2, a reactor 3, a voltage doubler/rectifier circuit consisting of capacitors 3 and 4, a bidirectional switch 10 for short-circuiting an AC power supply 1 through the reactor 3, a zero-cross detecting means 9 of the AC power supply 1, a bidirectional switch control means 11 for turning the bidirectional switch 10 on/off in synchronism with zero-cross, and a bidirectional switch current detecting means 12. The bidirectional switch control means 11 can suppress the current value of the bidirectional switch below a predetermined level regardless of the load or the AC voltage by selecting the second control state for turning the bidirectional switch on/off a plurality of times during half period of the AC power supply by the detected current value of the bidirectional switch and the difference between the DC voltage and a target voltage, and can realize cost reduction incident to reduction in current capacity of the switch element as well as power factor improvement and DC voltage step-up.  <P>COPYRIGHT: (C)2006,JPO&NCIPI