baber/WOPTO huggingface dataset:
Patent JP-2007504258-A (JP)
IPC: A61K9/52
Filed: 2004-08-31
Abstract: The invention relates to a novel, orally administrable dosage form for active ingredients with a pH-dependent solubility behaviour and to the pharmacologically compatible salts of said ingredients. Said dosage form improves the bio-availability of the active ingredient.
Patent JP-2007505831-A (JP)
Title: 肺吸入による、早漏を治療するための医薬品組成物
IPC: A61K31/55
Filed: 2004-09-15
Abstract: 本発明は、早漏を治療するための、改善された製剤に関し、詳細には、早漏を治療するための、肺吸入による抗うつ薬の投与に関する。クロミプラミンなど、三環式抗うつ薬を含めた様々なタイプの既知の抗うつ薬を使用することができる。
Patent JP-2007507072-A (JP)
Title: 燃料電池用流れ場プレート装置
IPC: H01M50/77
Filed: 2004-07-29
Abstract: 【課題】  アノード側ランド特徴がカソード側ランド特徴よりも広幅のランド特徴によって離間された多数の流れチャンネルを持つアノード流れ場プレート及びカソード流れ場プレートを含む燃料電池を提供する。 【解決手段】  燃料電池では、本発明の流れ場プレート構成により、高い出力が提供され（１ｋＷ当たりの費用が小さい）、丈夫さが改善され、アッセンブリの整合の厳密さが低下する。 【選択図】  図１
Patent JP-2007516348-A (JP)
Title: 組成勾配サーメットおよびその調製のための反応性熱処理方法
IPC: C23C8/10
Filed: 2004-05-18
Abstract: サーメット、特に組成勾配サーメットを、適切なバルク金属合金から始めて、反応性炭素、反応性窒素、反応性ホウ素、反応性酸素およびこれらの混合物よりなる群から選択される反応性環境を含む反応性熱処理方法によって調製することができる。 【選択図】図５
Patent JP-2007516650-A (JP)
Title: マルチメディア・コンテンツを提示するためのシステム
IPC: H04N7/173
Filed: 2004-05-28
Abstract: マルチメディア・コンテンツ資産と、ターゲットを絞った広告とが、準備コンポーネントによって、表示セルの階層型Ｎ×Ｍ行列を用いて配置される。展開コンポーネントが、インターネット、ブロードバンド・ケーブル、および無線電話システムなど従来の伝送ネットワークを使用して、表示タイルの行列を定義する構成ファイルをインタフェース・コンポーネントに送る。インタフェース・コンポーネントは、テレビジョン、パーソナル・コンピュータ、携帯情報端末、および携帯電話など様々なプラットフォーム上で、表示パレットの階層、マルチメディア資産、およびターゲットを絞った広告をユーザに提示し、これらの中でユーザをナビゲートする。インタフェース・コンポーネントはさらに、使用データを収集し、このデータをメトリックス・コンポーネントに提供して、ターゲットを絞ったコンテンツおよび広告のためにこのデータが準備コンポーネントおよび展開コンポーネントによって使用されるようにする。
Patent JP-2007520450-A (JP)
Title: 非開裂リンカーを介して連結した細胞結合物質メイタンシノイド複合体を用いて特定の細胞集団を標的とする方法、前記複合体、および前記複合体の製造法
IPC: A61K47/54
Filed: 2004-10-12
Abstract: 本発明は、選択された細胞集団を標的としてメイタンシノイドを向かわせるための方法であって、当該方法は選択された細胞集団を含有すると推測される細胞集団または組織を、細胞結合物質メイタンシノイド複合体と接触させることを包含し、その場合１つまたはそれより多くのメイタンシノイドは非開裂リンカーを介して細胞結合物質に共有結合で連結され、そして当該細胞結合物質が選択された細胞集団の細胞に結合する、前記方法を開示する。
Patent JP-2007511184-A (JP)
Title: 期限切れマーカを使用する無線通信の認証
IPC: H04W12/04
Filed: 2004-11-10
Abstract: ネットワークと加入者局との間のＧＳＭ無線通信をセキュリティ保護するシステムおよび方法が開示されている。１つの実施形態では、ある特定量の時間後に期限切れになることになっている認証トリプレットを生成し、それらが、それらを傍受する攻撃者によって無期限に使用され得ないようにする。 【選択図】    図１
Patent JP-2007513200-A (JP)
IPC: B01J38/00
Filed: 2004-12-06
Abstract: A process for removing ruthenium or ruthenium-containing compounds from a reaction mixture comprising a compound of the following formula I in an organic solvent using supercritical fluid processing techniques: wherein R<SUP>A</SUP>, R<SUP>3</SUP>, R<SUP>4</SUP>, D and A are as defined herein. This invention has particular application for removing ruthenium-containing catalyst and ruthenium-containing catalyst by products from reaction mixtures that result from ring-closing olefin metathesis (RCM) reactions.
Patent JP-2007514901-A (JP)
Title: シフトドラム軸線に対して軸線方向に移動可能な挿入溝フランクを有するシフトドラム及びシフト方法
IPC: F16H63/18
Filed: 2004-11-26
Abstract: 【課題】自動車の多段変速機において外されるギアに予荷重を与える方法及び自動車の多段変速機のためのシフトドラムを提供する。 【解決手段】少なくとも１つの周方向軌道（１４、１６）、特に、少なくとも１つの軸線方向に変位可能な軌道従動部（Ｓ、Ｔ）がその中に係合することができる周方向溝（１４、１６）を有し、周方向軌道（１４、１６）が、軌道従動部（Ｓ、Ｔ）を案内するフランク（２２、２４）を有する自動車の多段変速機のためのシフトドラム（１０、１０’）であって、フランクの１つ（２２）が、復元力（Ｆ R ）に抗して通常位置から軸線方向に移動可能であるように取り付けられた部分（２６）を有することを特徴とするシフトドラム。 【選択図】図１
Patent JP-2007519517-A (JP)
Title: 触媒活性組成物及びその脱水素法における使用
IPC: B01J19/00
Filed: 2005-01-28
Abstract: 本発明は、活性成分として、Ｐｄ及びＢｉ並びに、Ｒｈ、Ａｕ、Ｓｂ、Ｖ、Ｃｒ、Ｗ、Ｍｎ、Ｆｅ、Ｃｏ、Ｎｉ、Ｎａ、Ｃｓ及びＢａからなる群（ａ）から選択される少なくとも１種の元素を有するか、又はＰｄ、Ｒｈ及びＢｉ並びに、Ａｕ、Ｓｂ、Ｖ、Ｃｒ、Ｗ、Ｍｎ、Ｆｅ、Ｃｏ、Ｎｉ、Ｐｔ、Ｃｕ、Ａｇ、Ｎａ、Ｃｓ、Ｍｇ、Ｃａ及びＢａからなる群（ａ′）から選択される随意の元素を有する触媒活性組成物に関する。更に、本発明は、炭化水素、有利にはオキソ官能化された炭化水素、例えばシクロペンタノン、シクロヘキサノン及びイソバレルアルデヒドを、前記触媒活性組成物を用いて脱水素するための方法に関する。
Patent JP-2008167777-A (JP)
Title: Ophthalmological apparatus
Inventor: KAWAI NORIJI
IPC: A61B3/10
Filed: 2007-01-06
Abstract: <P>PROBLEM TO BE SOLVED: To accurately measure the distribution of the corneal thickness of an examined eye by a simple structure.  <P>SOLUTION: The ophthalmological apparatus comprises a measuring part with a corneal thickness measuring means for optically measuring the corneal thickness at an arbitrary measuring point of the examined eye in a non-contact way; a moving means for moving the measuring part in the vertical and horizontal directions to the examined eye; a photographic optical system for photographing the anterior ocular segment; a display means for displaying the image of the photographed anterior ocular segment of the examined eye; a relative position detecting means for detecting the relative position of the examined eye and the measuring part in the vertical and horizontal directions; a measuring point setting means for setting a plurality of measuring points on the cornea for measuring the distribution of the corneal thickness of the examined eye; a driving control means for driving/controlling the moving means so that the measuring optical axis of the corneal thickness measuring means is moved to the respective measuring points in order set by the setting means based on the result of detection by the relative position detecting means; and a means for obtaining the information on the distribution of the corneal thickness of the examined eye by correlating the result of measurement at the respective measuring points by the corneal thickness measuring means to the measuring position.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2007149333-A (JP)
Title: Testing device for magnetic recording medium or magnetic head
Inventor: MAKUUCHI MASAMI
IPC: G11B5/84
Filed: 2007-01-09
Abstract: <P>PROBLEM TO BE SOLVED: To realize the high accuracy and acceleration of a magnetic recording medium or a magnetic head test in accordance with the high frequency processing of a magnetic disk drive.  <P>SOLUTION: A disk reproduced signal is distributed into N and a sampling clock is distributed into N, phase difference is given to either the disk reproduced signal or the sampling clock, and N A/D converters and N memories which are provided to the disk reproduced signal are operated parallelly to thereby convert the disk reproduced signal into a digital value at a high speed, storing the digital value in the memories.  <P>COPYRIGHT: (C)2007,JPO&INPIT
Patent JP-2007190384-A (JP)
Title: Golf ball
Inventor: SATO KATSUNORI
IPC: A63B37/00
Filed: 2007-01-15
Abstract: <P>PROBLEM TO BE SOLVED: To provide a golf ball having a surface with an aesthetic appearance, and exhibiting an excellent flight performance to be required to the golf ball.  <P>SOLUTION: The golf ball has a spherical surface bearing a plurality of plan view circular dimples and plan view non-circular dimples, which non-circular dimples have at a top edge position a contour length of at least 20 mm and account for at most 10% of all the dimples.  <P>COPYRIGHT: (C)2007,JPO&INPIT
Patent JP-2008175460-A (JP)
Title: Product cover of air conditioner, attaching-detaching method of product cover and installation tool
Inventor: MATSUMOTO AKITO
IPC: F24F13/20
Filed: 2007-01-18
Abstract: <P>PROBLEM TO BE SOLVED: To provide a product cover, an attaching-detaching method of the product cover and an installation set, capable of reducing a burden of installation work to an air conditioner.  <P>SOLUTION: This product cover 5 of an air conditioner body 2 has the air conditioner body 2 having a suction opening 23a and a blowout opening 23b on an under surface, and a decorative panel 10 installed on the air conditioner body 2 so as to be opposed to the suction opening 23a and the blowout opening 23b of the air conditioner body 2. The product cover 5 of the air conditioner body 2 in the air conditioner 1 has a product cover body 3 and an elastic cord 4 as a fixing member. The product cover body 3 covers at least the suction opening 23a and the blowout opening 23b arranged on the under surface of the air conditioner body 2. The elastic cord 4 fixes the product cover body 3 to the air conditioner body 2.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2008178023-A (JP)
Title: Optical receiver and signal output method of optical receiver
Inventor: NAKAGAWA YASUSHI
IPC: H04B10/50
Filed: 2007-01-22
Abstract: <P>PROBLEM TO BE SOLVED: To provide an optical receiver and signal output method of the optical receiver in which a signal is output in such a way that a wrong warning of no input signal is not raised to a post-stage device even when an input optical signal to the optical receiver is weak.  <P>SOLUTION: The present invention relates to an optical receiver including a light receiving device 101 for performing photoelectric conversion of an input optical signal; an amplifier circuit 102 for amplifying the signal on which photoelectric conversion has been performed; a peak value detection circuit 104 for detecting a peak value of the amplified signal; a threshold value control circuit 105 for controlling a threshold value in accordance with the peak value; and an identification and reproduction circuit 106 for identifying and reproducing the amplified signal in accordance with the threshold value, wherein an output signal control circuit 107 is included which outputs the signal output from the identification and reproduction circuit 106 when the peak value is equal to or more than a reference value, and outputs a dummy signal when the peak value is less than the reference value.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2008181689-A (JP)
Title: Electronic device
Inventor: TSUKIMORI KANJI
IPC: H05K1/02
Filed: 2007-01-23
Abstract: <P>PROBLEM TO BE SOLVED: To provide a high reliability electronic device capable of suppressing the enlargement of the device and preventing application of static electricity to an integrated circuit mounted on a circuit board.  <P>SOLUTION: An insulating tape 12 attached to the circuit board 10 having an integrated circuit 11 covers the integrated circuit 11 on the circuit board 10.The circuit board 10 has grounding patterns 13 on and along the edges of the insulating tape 12. When static electricity generates, it transfers over the insulating tape 12 to the ground pattern 13 formed on the edges of the insulating tape 12 and discharges there. This can suppress the transfer and application of the static electricity from the insulating tape 12 to the integrated circuit 11.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2008178456-A (JP)
Title: Physical access port
Inventor: KIMURA TAKESHI
IPC: A61F2/958
Filed: 2007-01-23
Abstract: <P>PROBLEM TO BE SOLVED: To provide a physical access port that has a small number of parts, a simple structure, needs no complicated metal mold and is manufactured efficiently at low costs, and further easy to assemble, needs neither maintenance nor consideration of contact with bodily tissues, etc. even at a position with a narrow retention space for it.  <P>SOLUTION: The physical access port 1 has a catheter 3 and a balloon 4 to fix it within the body. The balloon 4 is formed at a swollen state but can temporarily be shrunken at the time of percutaneous catheterization. The balloon comprises a shape-retaining type balloon body 41 that automatically re-swells to restore its form after the catheterization, and a hollow balloon tip 44 manufactured in one with the balloon body 41. An injection port 48 to inject an infusion into the body is provided at the balloon tip 44.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2008180144-A (JP)
Title: Recoil starter
Inventor: FUJITA HIROTOSHI
IPC: F02N5/02
Filed: 2007-01-24
Abstract: <P>PROBLEM TO BE SOLVED: To reduce cost, the size and weight, by attaining certainty and facilitation of starting.  <P>SOLUTION: This recoil starter starts an engine by transmitting torque accumulated in a power accumulating spiral spring 10 to a driving pulley via a cam 6, and is provided with a ratchet member 13 rotating while rocking in response to the rotation of a rope reel 4. When the rope reel 4 rotates in the engine starting direction, the ratchet member 13 winds up the power accumulating spiral spring 10 by allowing relative rotation with the cam 6 of the rope reel 4 without engaging with the cam 6. When the rope reel 4 is rotated in the inverse direction of the engine starting direction, the ratchet member 13 holds a power accumulating state by maintaining winding-up of the power accumulating spiral spring 10 by joining the rope reel 4 and the cam 6 by engaging with the cam 6, and rotates the cam 6 in the inverse direction integrally with the rope reel 4.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2008181803-A (JP)
Title: Manufacturing method of display panel
Inventor: KOJIMA HIROSHI
IPC: H01J11/20
Filed: 2007-01-25
Abstract: <P>PROBLEM TO BE SOLVED: To provide a manufacturing method of a display panel in which heat-treatment can be applied on numerous circuit boards at one time and a problem due to handling multiple circuit boards is hard to occur.  <P>SOLUTION: The manufacturing method of the display panel includes a heat-treatment process applied in a state that the two circuit boards 41, 42 are superposed. The two circuit boards 41, 42 have a structure 40 on each one side (processing faces 41A, 42A), and a heat-treatment process is executed in a state that the reverse side faces of the processing faces 41A, 42A (rear faces 41A, 42B) are mutually opposed. In the two circuit boards 41, 42, their edge parts are fixed by a plurality of clips 7, and mounted on a setter 5 via a spacer 6.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2007234586-A (JP)
Title: Secondary battery
Inventor: UH HWAIL
IPC: H01M50/566
Filed: 2007-01-26
Abstract: <P>PROBLEM TO BE SOLVED: To provide a secondary battery capable of improving adhesion strength of a resin molding part.  <P>SOLUTION: The secondary battery is provided with a can 120 to house an electrode assembly 122, a cap plate 131 to seal the upper end opening part of the can 120, an electrode terminal 132 to be inserted with a gasket in the state of inclusion in a terminal through hole part formed in the cap plate 131, and a protection circuit substrate 150 joined by a resin molding part 160 of molded resin at the upper part of the cap plate 131. The gasket 133 includes a joining part 133a to restrain the resin molding part 160 to the cap plate 131.  <P>COPYRIGHT: (C)2007,JPO&INPIT
Patent JP-2008179869-A (JP)
Title: Current-applying pressure sintering apparatus
Inventor: NISHIYAMA TOSHIMASA
IPC: B22F3/14
Filed: 2007-01-26
Abstract: <P>PROBLEM TO BE SOLVED: To provide a current-applying pressure sintering apparatus, which is low in running cost and suitable for manufacturing a large work as large as possible by sintering a mold body set on a fixing table with a prescribed dimension.  <P>SOLUTION: The current-applying pressure sintering apparatus 1 includes a cylindrical sintering mold 5 with mutually opposed both ends opened, an upper punch 8 and a lower punch 4a insertable and drawable along the inner wall surface of the sintering mold 5, and a mold body 6 surrounding the sintering mold 5; receives a powder body X in a space surrounded by the sintering mold 5, the upper punch 8 and the lower punch 4a, pressurizes the powder body X with the upper punch 8, and applies a current between the upper punch 8 and the lower punch 4a to mutually agglutinate the powder body X and to sinter it as a workpiece. In this case, the sintering mold 5, the upper punch 8 and the lower punch 4a are formed of an graphite material, the mold body 6 is formed of a steel material, and a buffer body 7 having an insulating characteristic is arranged between the sintering mold 5 and the mold body 6.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2008187782-A (JP)
Title: Inrush current arrestor and image former
Inventor: MASAI KATSUNORI
IPC: H02J1/00
Filed: 2007-01-29
Abstract: <P>PROBLEM TO BE SOLVED: To beforhand avoid the nonconformity, such as, damages of a circuit element caused by inrush current.  <P>SOLUTION: At inrush current arrestor is equipped with an interlock switch which is arranged in series to a power supply line to a load; a current limiting element; a bypass means arranged in parallel with the current limiting element and bypasses the current limiting element; a control means which switches the conduction state of the bypass means; and a forecasting and detecting means which forecasts and detects the turn on of the interlock switch. The control means breaks the conduction of the bypass means, when the forecasting and detecting means forecasts and detects turn on of the interlock switch.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2008186957-A (JP)
Title: Semiconductor device and manufacturing method thereof
Inventor: TANITAKA SHINICHI
IPC: H01L25/18
Filed: 2007-01-29
Abstract: <P>PROBLEM TO BE SOLVED: To provide a semiconductor device and a manufacturing method thereof wherein a temperature distribution due to heat generation in the chip surface is made uniform and the improvement of the power cycle life is intended in a power semiconductor device such as an IGBT, etc.  <P>SOLUTION: This semiconductor device 10 comprises electrodes on the front and rear chip surfaces of a semiconductor chip (IGBT device 11, etc.), and a current flows between an electrode on one chip surface and an electrode on the other chip surface upon ON-operation. A plurality of wires 15 are connected to the electrodes (emitter electrodes 22-1 to 22-6) on one chip surface in uneven arrangement distribution, and the number of wires connected to the periphery of one chip surface is larger than that of wires connected to the central portion thereof.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2008186800-A (JP)
Title: Gas-liquid separator, and fuel cell device provided with the same
Inventor: WATANABE DAISUKE
IPC: H01M8/10
Filed: 2007-01-31
Abstract: <P>PROBLEM TO BE SOLVED: To provide a gas-liquid separator which can efficiently separate gas in liquid, and to provide a fuel cell equipped with the separator.  <P>SOLUTION: The fuel cell device is provided with a power generating part which has an anode and a cathode and generates power by a chemical reaction, a fuel tank and a circulating system for supplying fuel and air to the power generating part. The circulating system is provided with a fuel passage 22 for circulating the fuel supplied from the fuel tank through the anode, an air passage 24 for circulating air through the cathode and a gas-liquid separator 40 which is arranged between an anode outflow end part and the fuel tank in the fuel passage and separates liquid and gas. The gas-liquid separator is made of a porous material and is provided with a gas transmitting layer 46 which has a first surface contacting with a gas-liquid two phase flow and a second surface contacting an outer atmosphere and transmits gas in the gas-liquid two phase flow and a catalyst 48 which is provided at least on the second surface side in the gas transmitting layer and makes the second surface side generate a heat by making a reaction between the gas transmitted through the gas transmitting layer and oxygen in an atmosphere.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2008192720-A (JP)
Title: Method of manufacturing multilayer printed wiring board
Inventor: NANAUMI MASASHI
IPC: H05K1/02
Filed: 2007-02-02
Abstract: <P>PROBLEM TO BE SOLVED: To prevent displacement between the position of a land formed in an inner-layer circuit and the position of a land for a through hole formed in an outer-layer when making the through hole in a printed wiring board at highly positional accuracy.  <P>SOLUTION: When an inner-layer circuit is formed, its dimensional corrected value is grasped first, and an exposure mask is prepared. When stacking layers, the displacement of the inner-layer is corrected, or when making the through hole in an outer layer, the elasticity and displacement of the inner layer is corrected and its coordinate value is obtained, and then hole making is conducted referring to the coordinate value. Thus, quality can be improved for the elasticity and displacement of the multilayer printed wiring board.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2008191811-A (JP)
Title: Electronic voting system, and program therefor
Inventor: SATO SUSUMU
IPC: G06Q50/34
Filed: 2007-02-02
Abstract: <P>PROBLEM TO BE SOLVED: To solve the problem that the conventional electronic voting system has not been sufficiently secured in system security and reliability.  <P>SOLUTION: In the electronic voting system including a server accumulating the election data of an election candidate and voters, and an electronic voting machine being connected to the above server through a network, for voting by operating a mouse, a vein image registration means for registering vein images of the hands of the voters, a vein sensor for detecting the vein images of the hands placed on the mouse, and an authentication means for discriminating whether the vein image read by the vein sensor coincides with the vein image registered in the above server are provided. In particular, an operation switch portion of the mouse and the voter hand are covered with a transparent material.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2008191370-A (JP)
Title: Dispersion system high-speed wavelength-swept light source and dispersion system high-speed wavelength-swept light generating method
Inventor: ASAKA KOUTA
IPC: G02F1/383
Filed: 2007-02-05
Abstract: <P>PROBLEM TO BE SOLVED: To provide a dispersion system high-speed wavelength-swept light source, wherein the wavelength sweep width is wide and the wavelength sweep operation is rapid.  <P>SOLUTION: The dispersion system high-speed wavelength-swept light source 10 is constituted of a supercontinuum (SC) light source 11, an optical gate switch 12, a dispersion control fiber 13 and a wide band optical amplifier 14. A light pulse sequence, formed by multiplexing a plurality of pulse rays having wavelengths different from each other and frequency interval of f<SB>0</SB>, is outputted from the SC light source 11. The optical gate switch 12 performs the operation of cutting out the light pulse sequence by a sampling time t<SB>2</SB>(t<SB>2</SB><1/f<SB>0</SB>), in each sweep repetition time t<SB>3</SB>a plurality of times. Light pulses of the light pulse sequence that are cut out are separated on time axis, according to difference of frequencies by the dispersion control fiber 13. Hence, light pulses having wavelengths different from one another are outputted repeatedly in stepwise manner.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2008192566-A (JP)
Title: Discharge lamp lighting circuit
Inventor: ITO MASAYASU
IPC: H05B41/02
Filed: 2007-02-07
Abstract: <P>PROBLEM TO BE SOLVED: To supply power required for maintaining lighting of a lamp to a discharge lamp in spite of impedance changes of the discharge lamp in a discharge lamp lighting circuit including a series resonant circuit.  <P>SOLUTION: The discharge lamp lighting circuit 1 comprises an inverter circuit 3, the series resonant circuit 4 for supplying the alternative power to the discharge lamp L by receiving output voltage from the inverter circuit 3 via a transformer, a bridge driver 6 for driving the inverter circuit 3, and a control section 10 for controlling driving frequency of the bridge driver 6. The control section 10 has a constant lighting control circuit 11 for maintaining the alternative power at a regular value. Inductance of the transformer 7 is reduced at a first reduction rate in response to increase of exciting current when the exciting current flowing into a primary winding 7a is smaller than a designated value, and is reduced at a second reduction rate or keeps at an approximately fixed level when the exciting current is greater than a designated value.  <P>COPYRIGHT: (C)2008,JPO&INPIT