baber/WOPTO huggingface dataset:
Patent JP-2005512326-A (JP)
Title: 非平坦性の影響を最小限にするトランジスタ金属ゲート構造および製造方法
IPC: H01L29/49
Filed: 2002-11-13
Abstract: 金属ゲート構造（１０）は、ゲート溝（１９）内にゲート誘電体（２２）、ゲート電極（２４）、停止層（２６）および金属層（２８）を堆積させ、ゲート溝（１９）の外側に存在するそれらの層の部分を除去することにより形成される。第１の研摩またはエッチングプロセスを使用して、停止層（２６）に選択的な金属層（２８）の部分を除去する。第１の研摩またはエッチングプロセスの後、第２の研摩またはエッチングプロセスを使用して、ゲート溝（１９）の外側に存在するゲート誘電体（２２）、ゲート電極（２４）、停止層（２６）および金属層（２８）の部分を除去する。その結果得られる構造は、金属ゲート構造（１０）の上部表面の均一性および平坦性を増加させる。
Patent JP-2005514506-A (JP)
IPC: C08J9/12
Filed: 2002-09-20
Abstract: Prepare a multimodal polymeric foam from a foamable composition containing a polymer, an absorbent clay, and a blowing agent composition containing water and carbon dioxide and that contains less than 0.2 parts by weight of bentonite based on 100 parts by weight of polymer.
Patent JP-2005518135-A (JP)
IPC: H04W36/12
Filed: 2003-02-10
Abstract: A method of relocating a serving radio network controller, comprising: 
sending at least one ciphering parameter value and a first sequence number from a first radio network controller to a second radio network controller; and 
using the at least one ciphering parameter value and the first sequence number for ciphering a first data to be sent to a terminal by the second radio network controller.
Patent JP-2005517489-A (JP)
Title: 電動歯ブラシ
IPC: A61C17/34
Filed: 2003-02-07
Abstract: 本発明は、駆動軸を駆動軸心の周りで回転駆動するための電動モータと、毛を備えた第1の自由外端を有するブラシ軸と、前記駆動軸の前記回転運動を変換特性に従ってブラシ軸心の周りの前記ブラシ軸の往復回転運動に変換するための変換手段と、前記ブラシ軸の少なくとも一部が、前記毛に作用する力によって、加力手段の動作に反して中立旋回位置から非中立位置に、前記駆動軸の長手方向に垂直に延在する旋回軸の周りで旋回することを可能にするための旋回手段とを有する電動歯ブラシにおいて、前記ブラシ軸の前記少なくとも一部の、前記非中立位置への、前記旋回軸の周りの前記旋回は、前記変換特性の変化を引き起こす、電動歯ブラシに関する。
Patent JP-2005518503-A (JP)
Title: 液体ポンプを制御する方法および装置
IPC: G16H20/40
Filed: 2003-02-04
Abstract: 医学的潅流システムにおける液体ポンプ制御モードは、バックオフ応答モード、流量サーボモード、圧力サーボモードおよびマスター・スレーブサーボモードを含んでいる。バックオフ応答モードにおいて、ポンプの速度は、警報状況が検出されたとき、新しい速度にデクリメントされる（1906）。流量サーボモードにおいては、ユーザにより設定点として示された液体の流量率を維持するようにポンプの速度が制御される（2004）。圧力サーボモードでは、ユーザにより設定された圧力を維持するようにポンプの速度が制御される（2004）。マスター・スレーブサーボモードにおいて、スレーブポンプはマスターポンプの感知された速度に基づいて制御される。
Patent JP-2005520012-A (JP)
Title: 高い靭性を有するポリオレフィン組成物
IPC: C08L23/08
Filed: 2003-03-06
Abstract: 単一積層屋根膜に適したポリオレフィン組成物であって、（Ａ）プロピレンと、式：Ｈ 2 Ｃ＝ＣＨＲ 1 （式中、Ｒ 1 は、Ｈ又は２〜８個の炭素原子の直鎖又は分岐アルキル）の少なくとも一種のα−オレフィンとの結晶性コポリマーであって、プロピレンを少なくとも約９０質量％含み、約１５質量％未満の室温でのキシレン溶解度を有する結晶性コポリマーを約１５質量％〜約４０質量％含み、 （Ｂ）（１）プロピレンとエチレンのコポリマーであって、任意成分として約０．５〜５質量％のジエンを含み、約２０〜約３５質量％のエチレンを含み、約７０質量％より大きい室温でのキシレン溶解度を有し、キシレン可溶画分の固有粘度が約３．０ｄｌ／ｇより高く、約６．０ｄｌ／ｇまでであるコポリマーと、 （２）エチレンと、式：Ｈ 2 Ｃ＝ＣＨＲ 2 （式中、Ｒ 2 は、２〜８個の炭素原子の直鎖又は分岐アルキル）の少なくとも一種のα−オレフィンとのコポリマーであって、任意成分として約０．５〜５質量％のジエンを含み、約１５〜４０質量％のα−オレフィンを含み、約２５質量％より大きい室温でのキシレン溶解度を有し、キシレン可溶画分の固有粘度が約０．５〜約５．０ｄｌ／ｇの範囲のコポリマーとを含むエラストマー画分を約６０質量％〜約８５質量％含み、（１）／（２）の質量比が約１：５〜約５：１の範囲である事を特徴とするポリオレフィン組成物。本発明のポリオレフィン組成物は、好ましくは、少なくとも三段階での順次重合によって調製され、≧２５ＭＰａの破断点引張り強度、≧７００％の破断点伸び及び≧１５０ＭＰａの強靭性を有する。
Patent JP-2005522156-A (JP)
Title: 隣接セルリストを最適にするための方法およびシステム
IPC: H04W36/30
Filed: 2003-04-04
Abstract: サービスセルとターゲットセルとの間の移動アシストされたハンドオフ（ＭＡＨＯ）の試行の回数をカウントする。ターゲットセルをサービスセルからのハンドオフのための最良候補（ＢｅｓｔＣａｎｄ）と見なした回数のカウントも行う。サービスセルの隣接するリスト内にターゲットセルが含まれない場合、潜在的隣接セル（ＰＮＣ）と見なす。ターゲットセルへのハンドオフを防止するために、ターゲットセルへヒステリシスを追加する。ＭＡＨＯおよびＢｅｓｔＣａｎｄカウントを決定し、このカウントが予め決定したスレッショルド値に一致するか、これを超えた場合、リストにターゲットセルを追加する。ターゲットセルが隣接セルリストにある場合、ヒステリシスは追加しない。カウントデータがスレッショルド値に一致しないか、またはこれを超えない場合、リストからターゲットセルを除く。
Patent JP-2005204400-A (JP)
Title: Low pressure distribution system protective apparatus in high magnetic field environment and method of selecting protective device
Inventor: OOKAWA YOSHINAO
IPC: H01H85/06
Filed: 2004-01-15
Abstract: <P>PROBLEM TO BE SOLVED: To provide a simple protective apparatus having a control protective device for controlling and protecting a wiring protective device of a low pressure distribution system which normally operates even in a high magnetic field environment or a load even if the protective device is not magnetically shielded.  <P>SOLUTION: The low pressure distribution system protective apparatus in the high magnetic field environment of 160 gauses or more includes a high magnetic field application fuse 4, a high magnetic field application switch 5 and a high magnetic field application thermal relay 6 provided on a distribution line. The high magnetic field application fuse 4 stretches elements which have a silver ribbon or a single metal in an insulating cylinder and is constituted by fully filling the circumstances with an extinguishing sand. The high magnetic field application switch 5 is made a solid-state contactor. The high magnetic field application thermal relay 6 is taken as a configuration which makes moving parts other than a bimetal nonmagnetic substance.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005199583-A (JP)
Title: Carriage and recording apparatus
Inventor: MORIYAMA TAKASHI
IPC: B41J19/20
Filed: 2004-01-16
Abstract: <P>PROBLEM TO BE SOLVED: To provide a carriage attempting to decrease a sliding friction resistance and a recording apparatus equipped with the carriage.  <P>SOLUTION: In the carriage wherein a bearing part 62 through which a carriage shaft 31 is inserted is equipped on a carriage body 61 on which a recording head is mounted, and which slides on the carriage shaft 31 through the bearing part 62, the carriage body 61 is equipped with an extending part 65 extending along the shaft direction of the carriage shaft 31 on the outside of the bearing part 62, and an oil pad 66 brought into contact with the carriage shaft 31 is provided on the extending part 65.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005203288-A (JP)
Title: Fuel cell
Inventor: ORIHASHI NOBUYUKI
IPC: H01M8/02
Filed: 2004-01-19
Abstract: <P>PROBLEM TO BE SOLVED: To provide a fuel cell having a separator that can properly exhaust generated water and suppress the lowering of an electromotive force even at the time of low load power generation.  <P>SOLUTION: (1) The fuel cell has a separator 18 where gas passages 27, 28 containing a plurality of groove flow passages 27a, 28a that are mutually pararell and independent at least at a part thereof are formed, wherein passage cross sections of the plurality of groove flow passages are made to change in the direction of a gas flow and a direction perpendicular thereto. (2) The passage cross section of the groove flow passage at a part 100 which is desired to flow at the time of low load power generation is made larger than the passage cross section of the groove flow passage at other part 101. (3) The passage cross section of the groove flow passage at a part 106 which is hard to flow at the time of low load power generation is made larger than the passage cross section of the groove flow passage at other part 107. (4) An orifice 105 is provided between a gas outlet manifold and a U-turn part 104 at the nearest position to the gas outlet manifold. (5) Spaces between projections at the outside portions 104a of the U-turns are made larger than spaces between a plurality of projections positioning at the inside portions 104b of the U-turns.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005209356-A (JP)
Title: Organic el element and color filter
Inventor: TAKESHITA KOJI
IPC: H05B33/14
Filed: 2004-01-20
Abstract: <P>PROBLEM TO BE SOLVED: To provide an organic EL element having a passivation film having water vapor barrier properties and transparency higher than those of silicon nitride (SiN<SB>x</SB>) single-layer film or usual silicon oxide nitride (SiO<SB>x</SB>N<SB>y</SB>) film, and to provide a color filter.  <P>SOLUTION: The passivation film which is a film of the silicon oxide nitride (SiO<SB>x</SB>N<SB>y</SB>), in which ratio of nitrogen atoms (N) and oxygen atoms (O) is tiltingly varied in the depth direction of the film is formed between the color filter and a transparent electrode on a substrate. Preferably, the ratio of the nitrogen atoms (N) and the oxygen atoms (O) in the depth direction of the passivation film varies in a range of 0.4-0.9 in a value of the number of nitrogen atoms/(the number of oxygen atoms + the number of nitrogen atoms), and the ratio of the nitrogen atoms (N) and the oxygen atoms (O) varies in a range of 0.6-0.9 in a value of the number of nitrogen atoms/(the number of oxygen atoms + the number of nitrogen atoms).  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005209804-A (JP)
Title: Die bonding method
Inventor: IWASA KAZUTAKA
IPC: H01L21/52
Filed: 2004-01-21
Abstract: <P>PROBLEM TO BE SOLVED: To prevent adhesion of an adhesive agent to a lead around an island of a lead frame as much as possible, concerning a die bonding method where an IC chip is mounted to the island by the adhesive agent after the adhesive agent is applied to the island of the lead frame by using a dispense nozzle.  <P>SOLUTION: A step to apply an adhesive agent 30 is designed to apply the adhesive agent 30 by using a covering member 100 that is provided with an opening 110 corresponding to an island 21 and covers regions other than the island 21 in a lead frame 20. The edge of the opening 110 in the covering member 100 is provided with a scattering prevention wall (120) that can prevent the adhesive agent 30 from scattering to the regions of the lead frame 20 covered with the covering member 100.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005206306-A (JP)
Title: Overhead traveling vehicle
Inventor: NAKAO TAKASHI
IPC: B61B13/00
Filed: 2004-01-22
Abstract: <P>PROBLEM TO BE SOLVED: To achieve weight reduction by disposing a drive unit 41 for an overhead traveling vehicle so as to be overlapped with a front and a rear bogie 8a, 8b and by mounting a guide roller 24 and a branch roller 25 on the bogies 8a, 8b.  <P>SOLUTION: One end of a rocking frame 40 is rockably mounted on the bogie 8a, and the other end thereof is mounted on the bogie 8b so as to be energized upward. A traveling motor 42, a transmission 48, and bearings 46 and a drive wheel 44 are mounted on the rocking frame 40.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005206872-A (JP)
Title: Black film agent, and method of forming black film
Inventor: HORIE HIDEKAZU
IPC: C23C22/53
Filed: 2004-01-22
Abstract: <P>PROBLEM TO BE SOLVED: To provide a treatment liquid which stably forms a uniform film having both satisfactory black appearance and corrosion resistance without using harmful hexavalent chromium when a protective film is formed on the surface of metal, in particular, on the surface of zinc or a zinc alloy, and to provide a method therefor.  <P>SOLUTION: The hexavalent chromium-free black film treatment liquid contains: tervalent chromium; one or more kinds selected from an anionic group composed of sulfate ions, chlorine ions and nitrate ions; and a sulfuric compound. In the method of forming a hexavalent chromium-free black film, a substrate is brought into contact with the treatment liquid once or more times.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005206066-A (JP)
Title: Electric steering lock device
Inventor: MATSUBARA MASAYOSHI
IPC: B60R25/0215
Filed: 2004-01-23
Abstract: <P>PROBLEM TO BE SOLVED: To provide an electric steering lock device which can lock a steering shaft at an arbitrary rotation position.  <P>SOLUTION: This electric steering lock device 10 restricts the turning operation of a steering shaft 2. The electric steering lock device 10 has a sleeve 16 which is fitted on the outer peripheral section of the steering shaft 2 in a manner to be movable in the axial direction and unrotatable, and has a thread on the outer peripheral surface, a first gear 20 which is turned by an electric motor 26 and is screwed with the outer peripheral surface of the sleeve 16, and a second gear 28 which is screwed with the outer peripheral surface of the sleeve 16. By clamping the first gear 20 and the second gear 28, the turning of the sleeve 16 to the first gear 20 and the second gear 28 is restricted.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005209076-A (JP)
Title: Character recognition system, method and program
Inventor: KIMURA TERUO
IPC: G06F19/00
Filed: 2004-01-26
Abstract: <P>PROBLEM TO BE SOLVED: To provide a character recognition means that allows efficient conversion into character codes when using a method for converting writing images including external characters entered by use of an electronic pen into character codes.  <P>SOLUTION: Using a character recognition device that retains information about whether or not external characters are included in items written on a document, writing information written on the document and sent from an electronic pen is converted into image data for every item written. The image data are converted into character codes as a dictionary storing standard characters is consulted. When there are image data that are not converted into the character codes, a determination is made as to whether or not any external characters are included in the written item corresponding to the unconverted image data; if some external characters are determined to be included there, the unconverted image data are converted into character codes as an external-character dictionary storing external characters other than the standard characters is consulted.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005212106-A (JP)
Title: Floor material manufacturing method
Inventor: HAYASHI MORIO
IPC: B27N3/04
Filed: 2004-01-27
Abstract: <P>PROBLEM TO BE SOLVED: To provide a floor material manufacturing method capable of enhancing the castor resistance and durable capacity of a floor material against the reciprocating load of a castor and facilitating the control of an adhesive coating process in a manufacturing process.  <P>SOLUTION: In the method for manufacturing the floor material by bonding a surface finish material 5 to one side of a woody board 1 through an adhesive, resin impregnated paper 3 is bonded to one side of the woody board 1 through an undercoating urethane adhesive and the surface finish material 5 is placed and bonded on the upper surface of the resin impregnated paper 3 through a rubbery adhesive applied as an undercoating layer. As the resin impregnated paper 3, one obtained by curing a paper base material impregnated with a melamine resin under heating and pressure may be used.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005216980-A (JP)
Title: Electrical component
Inventor: YAMADA TOMIO
IPC: H01L21/56
Filed: 2004-01-28
Abstract: <P>PROBLEM TO BE SOLVED: To provide an electrical component which improves productivity and reduces cost.  <P>SOLUTION: A case 11 consists of a peripheral wall 41 and a tabular bottom plate 42. The right edge 43 of the bottom plate 42 is connected to the peripheral wall 41 at a level higher than the left edge 44 of the bottom plate 42, so that a depth to a bottom face 45 formed by the upper surface of the bottom plate 42 is greater at the right edge 43 side than at the left edge 44 side. When the case 11 is placed on a level surface to make the peripheral wall 41 stand upright on the surface, the bottom surface 45 slopes to make the right edge 43 higher than the left edge 44. The slope of the bottom surface 45 against the level is set to an angle θ that is made by the difference of height between a small component 21a and a large component 21b. More clearly, the angle θ is made by the plane of the print board 3 and a virtual line 24 connecting tops between the height H1 of the small component 21a and the height H2 of the large component 21b.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004274730-A (JP)
Title: Portable radio communication apparatus
Inventor: IWAI HIROSHI
IPC: H04B1/3822
Filed: 2004-01-28
Abstract: <P>PROBLEM TO BE SOLVED: To reduce manufacturing cost and attain thinner making and weight reduction by reducing the number of parts while maintaining satisfactory antenna characteristics without requiring a special part as an antenna.  <P>SOLUTION: In a portable radio communication apparatus in which an upper case 102 and a lower case 103 can be folded via a hinge portion 104, at least one part of at least one of the upper case 102 and the lower case 103 is formed of a conductive material as a case conductor section. The case conductor section is connected to a radio communication circuit 110 of the portable radio communication apparatus, and operates as one part of an antenna of the circuit 110. The case conductor section consists of a conductor layer formed on a dielectric case of at least one of the upper case 102 and the lower case 103.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2005212592-A (JP)
Title: Steering wheel
Inventor: FUJIMORI KENJI
IPC: B62D1/10
Filed: 2004-01-29
Abstract: <P>PROBLEM TO BE SOLVED: To provide a steering wheel capable of omitting any space between a component case with an electric component and an upper cover.  <P>SOLUTION: In the steering wheel, a folded airbag and an inflator 7 are fixed to a retainer 4a, and stored in an airbag storage part protruded from an upper cover 3 to constitute an airbag module 4, and the airbag module 4 is mounted on a steering wheel body 1 in a vertically movable manner. An electric component mounting part 3c is formed on the upper cover 3. A component case 8a with an electric component 8 provided thereon is mounted on the electric component mounting part 3c so that no space is formed between the component case and an upper face part of the upper cover 3. Since the upper cover 3 and the component case 8a are vertically moved at the same time, any space to prevent interference between the upper cover 3 and the component case 8a need not be provided, and the appearance of the steering wheel is enhanced.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005215365-A (JP)
Title: Stroboscope device
Inventor: MUTO YOSHINORI
IPC: G03B7/16
Filed: 2004-01-30
Abstract: <P>PROBLEM TO BE SOLVED: To provide a stroboscope device realizing setting free from errors by improving operability for setting a light emitting state of a light emitting part.  <P>SOLUTION: A select dial 15 for setting the emitted light ratio of two left and right flashes, that is, an A flash 4a and a B flash 4b of a macro twin strobe light emitting part 4, and a select dial 16 for setting the synthetic emitted light quantity of two light emitting parts are arranged in parallel at the lower part of the back of a control part 1. Thus, a photographer can operate the dials 15 and 16 only with the thumb of a left hand when he (she) holds a camera main body up.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005216433-A (JP)
Title: Disk unit
Inventor: ATSUMI MASARU
IPC: G11B21/21
Filed: 2004-01-30
Abstract: <P>PROBLEM TO BE SOLVED: To provide a disk unit having a function detecting fault due to PTR(protrusion) of a magnetic disk unit with sufficient margin, and to provide a disk unit in which high reliability is secured, and use environment is widened.  <P>SOLUTION: In a head performing recording and reproducing of information for a disk, a write-head for recording information in the disk and a read-head for reproducing information from the disk are separated with the prescribed interval, interval between the write-head and the read-head have respectively offset of A, B in the vertical and horizontal direction, when track pitch of a track provided on the disk is assumed to Tp and a skew angle of the head and servo data when the read-head is positioned at the most outer periphery or the most inner periphery of the disk is assumed to θ, they are arranged so as to satisfy the formula : Tp<Asinθ+Bcosθ, and a continuous write-region is provided at directly under the write-head when the read-head is positioned at the most outer periphery or the most inner periphery servo data of the disk.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005212401-A (JP)
Title: Image forming apparatus, method of printing image and image printing program
Inventor: MINAMINO HIROHARU
IPC: G06T3/00
Filed: 2004-01-30
Abstract: <P>PROBLEM TO BE SOLVED: To provide an image forming apparatus whereby output paper sheets can be readily stuck with each other.  <P>SOLUTION: This image forming apparatus comprises an image memory for storing a manuscript image, a means for inputting a size after the expanding or the expansion ratio, a means for selecting a size of a paper sheet to be used as an output paper sheet, a means for inputting the manuscript image and storing it to the image memory, a means for calculating the number of times of dividing of the manuscript image stored in the image memory based on the input size after the expansion or the expansion ratio and the selected paper size, and a means for forming image data of one sheet of output paper by diving the image data of the manuscript image stored in the image memory based on the number of times of dividing. The image forming apparatus further comprises a means for determining a printing order of the image data of the one sheet of output paper obtained by diving into the plural pieces and paper discharge trays of the respective output paper sheets, and a means for printing the image data of one sheet of the output paper in the determined printing order and outputting an instruction for discharging the paper sheet to the predetermined paper discharge tray.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005217982-A (JP)
Title: Mobile phone wireless base station device and its information acquisition and state control method
Inventor: MIYAGAWA IWAO
IPC: H04B7/26
Filed: 2004-01-30
Abstract: <P>PROBLEM TO BE SOLVED: To make it possible to gather information on and control the whole of a mobile phone wireless base station device from a satellite device side in the mobile phone wireless base station device equipped with a satellite device.  <P>SOLUTION: In the mobile phone wireless base station device of a mobile phone system, information that is acquirable by an information processing terminal 40 connected with a base station modem 80 and contents that are controllable by the information processing terminal 40 are made to be acquirable and controllable also by an information processing terminal 10 connected with the satellite device 70. The information processing terminal 10 is connected with the satellite device 70 by using a cable to perform information acquisition and state control of the base station modem 80 connected with the satellite device 70 by a cable. Consequently, the information acquisition and control of each function unit containing the base station modem 80 are possible by the information processing terminal 10. Further, even information on a wireless unit or the like that can be acquired only by the satellite device 70 that is several tens or more Km distant from the base station modem 80 can be also acquired only by a maintenance person at the satellite device 70 side.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005212415-A (JP)
Title: Inkjet recorder
Inventor: NIEKAWA YUKIHIRO
IPC: B41J11/00
Filed: 2004-02-02
Abstract: <P>PROBLEM TO BE SOLVED: To prevent deterioration of a recording medium or an ink by performing adequate recording of an image even when a luminance of a light irradiation device is lowered.  <P>SOLUTION: This inkjet recorder comprises a conveyance device for moving a recording medium P in a predetermined direction, a recording device for recording an image on the recording medium P by using an ink which is cured by irradiation of a light, light irradiation devices 11, 12, 13, 14 each for irradiating with a light the ink deposited on the recording medium P, sensors 15, 16 for detecting the luminance of the light irradiated from each of the light irradiation devices 11, 12, 13, 14 and a control section 17 for controlling the recording device, the conveyance device, the light irradiation devices 11, 12, 13, 14, and the sensors 15, 16. The control section 17 controls the luminance of each of the light irradiation devices 11, 12, 13, 14 corresponding to the light irradiation device having the lowest luminance such that the luminance of the light irradiation devices 11, 12, 13, 14 are made roughly the same, and then controls the radiation time period of the light in accordance with the controlling of the luminance.  <P>COPYRIGHT: (C)2005,JPO&NCIPI