baber/WOPTO huggingface dataset:
Patent JP-2005186125-A (JP)
Title: Casting mold made of metal, and its manufacturing method
Inventor: NAKAGAWA SHIGETO
IPC: B22C9/04
Filed: 2003-12-26
Abstract: <P>PROBLEM TO BE SOLVED: To provide a casting mold made of a metal with a required shape, which mold can efficiently produce a unidirectional solidification casting product of a metal oxide having a complicated shape, and further to provide its simple manufacturing method.  <P>SOLUTION: The casting mold made of a metal is formed by metal-spraying at least one kind of high melting point metal selected from molybdenum, tungsten, tantalum, iridium, and platinum, or an alloy comprising the above high melting point metals as a main component. In the method for manufacturing the casting mold, a second metal is sprayed on the surface of a formed body made of a first metal, and then the formed body made of the first metal is removed. As a result, the casting mold made of the second metal is obtained. As the method for removing the formed body made of the first metal, there is a method for melting and flowing-out the formed body by heating, or a method for dissolving and flowing-out the formed body with an alkaline solution or an acid solution.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005189609-A (JP)
Title: Field assembly optical connector
Inventor: ISHII TAKUJI
IPC: G02B6/38
Filed: 2003-12-26
Abstract: <P>PROBLEM TO BE SOLVED: To provide a field assembly optical connector having a cable clamp unit permitting simple and short time assembly by realizing alignment and holding of both optical fibers with each other without using an external tool for assembly.  <P>SOLUTION: The cable clamp unit 21 attached to the rear end part of the optical connector is formed of two molding components of a body part 25 and a lid part 26, wherein the body part 25 is provided with an optical fiber center through-hole 22 for allowing the optical fiber P to pass through it, and outer sheath insertion grooves 23 forked on both sides in which the outer sheaths Q torn on both sides with respect to the optical fiber P are inserted and thereby the optical fiber is held with a holding metal fitting 24.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004252426-A (JP)
Title: Color filter substrate and display device
Inventor: TOKUDA TAKESHI
IPC: G02F1/1335
Filed: 2003-12-26
Abstract: <P>PROBLEM TO BE SOLVED: To provide a color filter substrate which can suppress degradation in the display quality of a color display device and to provide a display device.  <P>SOLUTION: The color filter substrate 100A has a plurality of color filters corresponding to each of a plurality of pixels. The plurality of the color filters include the A color filters and B color filters of the colors varying from each other. The groups of the color filters corresponding to each of a plurality of rows include the A and the B color filters. Each of the A and the B color filters has a first side and a second side regulating the width of the row direction of each and the area SA of the A color filter is greater than the area SB of the B color filter. The first side 51 of the B color filter has a shape forming at least one recessed part 51R constricted in the row direction on the first side 51 of the A color filter.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2005196237-A (JP)
Title: Texture information acquiring device
Inventor: YAMAUCHI YUIKO
IPC: G06T19/00
Filed: 2003-12-26
Abstract: <P>PROBLEM TO BE SOLVED: To provide a texture information acquiring device capable of reproducing a texture of a virtual studio set on the basis of a texture of an actual studio set.  <P>SOLUTION: This texture information acquiring device includes a polygon coordinates information input means 11 for inputting coordinate information on a polygon for constituting the actual studio set, a texture information acquiring means 15 for acquiring texture information on the polygon, a movable range setting means 12 for setting a movable range of the texture information acquiring means 15, a texture information acquiring position/direction determining means 13 for determining a position and the direction maximally opposed to the the polygon in the movable range by the texture information acquiring means 15, a texture information acquiring position/direction control means 16 for controlling the position and the direction of the texture information acquiring means 15, a texture information storage means 14 for storing the acquired texture information on the polygon, and a texture information sticking means 17 for sticking the texture information to the polygon for constituting the virtual studio set.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005162723-A (JP)
Title: Hair nutritious liquid agent
Inventor: YASHIMA SHOHACHI
IPC: A61K135/00
Filed: 2003-12-01
Abstract: <P>PROBLEM TO BE SOLVED: To obtain a hair nutritious liquid agent for preventing the hair from being lost, which is resulted after the thinning of the hair accompanying with the progress of aging.  <P>SOLUTION: This hair nutritious liquid agent found out to prevent the hair from being lost is obtained by dissolving short necked clam powder in squeezed liquid of 3 items of germinating potato, germinating soybean and bamboo shoot.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005162323-A (JP)
Title: Universal spout
Inventor: SUGIMOTO KIYOSHI
IPC: B65D33/38
Filed: 2003-12-03
Abstract: <P>PROBLEM TO BE SOLVED: To solve the problems that when a liquid content is safely, easily and directly transferred to another container for use, a filling ratio of the content is high, that is, when the content is directly made to flow out in a full state or to flow to transfer to another container, the content leaks along the external wall of the spout as a pouring angle cannot be secured, or that discontinuity occurs in the flow of the liquid from a spout with the air moving from the spout into the container interfered with the liquid content, resulting in the content splashing out of the container or causing the leakage.  <P>SOLUTION: The liquid content can be prevented from splashing by pulsation by allowing an angle of bellows provided on the spout to be varied and the length to be adjusted. The spout of a container body can be brought into contact with a spout of a commonly used container to transfer the liquid content without the container body interfering, and the leakage of the content along the external wall of the container can be prevented.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005170922-A (JP)
Title: Exterminating agent of coccid
Inventor: HATTORI RYOICHI
IPC: A01N25/04
Filed: 2003-12-12
Abstract: <P>PROBLEM TO BE SOLVED: To obtain an exterminating agent of coccid, having a biodegradability, without causing environmental pollution, and having a high safety, a sufficient exterminating effect and an inexpensive production cost.  <P>SOLUTION: This noxious insect-exterminating agent having the suffocating effect against the coccid, or the like, consists of an alkyl ester of a higher fatty acid. As the fatty acid component, a 12-22C unsaturated fatty acid such as oleic acid, linoleic acid, is desirable. As the ester components, a 1-3C ester such as methyl ester, is desirable.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005518184-A (JP)
IPC: G01N33/15
Filed: 2002-05-22
Abstract: The present invention is directed to a kit for use in a modified cell migration assay allowing for improved identification and discrimination of chemokine receptor antagonists from non-specific blockers.
Patent JP-2005520123-A (JP)
Title: メモリ集積化を用いる高感度光走査
IPC: G01N21/956
Filed: 2002-06-23
Abstract: 検査システムであって、少なくとも２次元の光センサアレイ（４０）が一体に形成され、検査すべき対象物（２４９）を表す検査出力（２６０）を提供するCMOS集積回路（２６）を備える。欠陥分析器は、検査出力（２６０）を受信し欠陥報告（２３６）を提供するよう動作する。
Patent JP-2004534139-A (JP)
IPC: C08L75/04
Filed: 2002-07-03
Abstract: The invention relates to mildew-resistant sealing compounds, in particular with a base of silicone, urethane and/or an acrylic base, which contain a benzothiophene-2-cyclohexylcarboxamide-S,S-dioxide.
Patent JP-2005501076-A (JP)
Title: 神経保護薬
IPC: A61P9/02
Filed: 2002-08-02
Abstract: 本発明は、神経保護作用を有する薬を生成するための1-[2-(4-(3-トリフルオロメチルフェニル)ピペラジン-1-イル)エチル]-2,3-ジヒドロ-1H-ベンゾイミダゾール-2-オン（必要に応じて薬剤的に許容される酸付加塩の形態であってもよく、また必要に応じて水和物又は溶媒和物の形態であってもよい。）の使用に関する。
Patent JP-2005500744-A (JP)
IPC: H04B1/00
Filed: 2002-08-08
Abstract: A method ( 100 ) for scheduling packet data transmissions in a wireless communication system wherein a per-user Priority Function (PF) is calculated as a function of packet delay time of the user. When a given user has a packet delay time violating a threshold, the PF of the user is adjusted accordingly. In one embodiment, a delay function is applied to the PF calculation, wherein the delay function considers the average requested data rate for all users in the active set having pending data and the average data rate of a given user.
Patent JP-2005501120-A (JP)
Title: 新規のシクロヘキシルスルホン
IPC: A61K31/5375
Filed: 2002-08-16
Abstract: 式Ｉ： 【化１】     で表される新規なスルホンを記載する。本化合物は、γ−セクレターゼによるアミロイド前駆体タンパク質のプロセシングを調節し、したがって、アルツハイマー病の治療又は予防に有用である。
Patent JP-2005511117-A (JP)
Title: 排液バッグ
IPC: A61F5/445
Filed: 2002-08-30
Abstract: 本発明は、例えばオストミーバッグといったような、生体廃棄物を受領するための排液バッグに関するものであって、例えばポリビニルアルコールといったような冷水に可溶性の材料からなる外側バッグと；例えば２−オキセパノンポリマー（ポリカプロラクトン）といったような雰囲気温度および生体温度において水不溶性でありかつ有機溶媒可溶性の材料からなる内側バッグと；を具備している。バッグ（およびその内容物）を廃棄する際には、適切な有機溶媒（例えば、ベンジルアルコール）を、内側バッグに対して適用する。その後、バッグを、ＷＣボウル内に捨てることができ、約１〜２分後の時点で、バッグを流すことができる。
Patent JP-2005505600-A (JP)
Title: 化粧および／または医薬調剤
IPC: A61K8/40
Filed: 2002-10-04
Abstract: 本発明は、（ａ）果実酸アルキルエステル０.１〜３０質量％、（ｂ）アニオン界面活性剤および／または非イオン界面活性剤および／またはカチオン界面活性剤および／または両性界面活性剤および／または両性イオン界面活性剤０.１〜９０質量％、並びに任意に（ｃ）脂肪アルコール０.１〜１０質量％を含有する調剤に関する。本発明は、果実酸アルキルエステルの界面活性配合物中における過脂肪剤としての使用にも関する。
Patent JP-2005513749-A (JP)
Title: 統合電流および／または電圧センサを有する回路遮断機
IPC: H01H33/02
Filed: 2002-12-27
Abstract: その上に統合される電流(20)および/または電圧測定装置(30)を有する回路遮断機(100)、特に中圧回路遮断機。統合は機能的および/または物理的であることができる。機能的に統合された電流および/または電圧測定装置は、測定、処理、および全体としての保護機能を実現するために搭載電子装置(50)へ一次電流と電圧を表す信号を提供する。
Patent JP-2005518650-A (JP)
Title: サイクロイド状質量分析器
IPC: G01N27/62
Filed: 2003-02-20
Abstract: 【解決手段】本発明は、環状サイクロイド状質量分析器に関し、図５は略環状の外側電極(74)及び略環状の外面を有する内側電極(70)を具え、両電極間にイオン(90)が飛行する環(76)が形成される。電極(70)(74)はその間に電界を形成するように構成される。磁界生成器は、電界に略直交する磁界を形成するように構成される。環(76)内にイオン(82)を注入するイオンビーム源(80)が配備されイオンはその周りを飛行し、環内を飛行するイオンを放出するイオン出口(100)がイオンコレクタ(102)に配備され、イオンコレクタ(102)はイオン出口(100)の隣に配備される。環状シリンダ形質量分析器は、電界及び磁界の影響下にてエピサイクロイド又はハイポサイクロイドカーブの何れかに似たイオンビームの飛行経路(90)(92)(94)(96)を提供するように構成される。所望ならば、非線形のイオン飛行経路を提供する楕円形又は他の適切な形状が用いられる。外側電極と内側電極との間に、フィルタが挿入されてもよい。
Patent JP-2005527710-A (JP)
Title: キトサンベース層が塗布された支持体及びその製造法
IPC: D21H27/10
Filed: 2003-03-12
Abstract: 本発明は、面の少なくとも１つをキトサン塗布により被覆した有機及び／又は無機繊維から作られた支持体に関するものであり、１３０，０００ｇ／モルより小さい平均分子質量、６〜３０重量％の濃度及び１００〜３，０００ｃｐｓの粘度を有するキトサン水溶液を付着させることにより、塗布が達成されることを特徴とする。
Patent JP-2005521904-A (JP)
Title: 液晶ディスプレイに対するウィンドウの輝度の強調
IPC: G09G3/34
Filed: 2003-03-11
Abstract: ＬＣＤモニタにおいて、表示される情報の既定部分（ＰＡ）は、バックライトにより多くの光線を発生させることにより強調表示（ハイライト）にされる。この既定エリア（ＰＡ）の外のエリアは、パネルを駆動するビデオデータを調節することにより輝度が略一定に保たれる。バックライトにより発生する実際の光量が測定され、既定エリア（ＰＡ）の外がより一定の輝度を得る。
Patent JP-2005523196-A (JP)
Title: 密度勾配型パッド材及びその製造方法
IPC: E04B1/86
Filed: 2003-04-22
Abstract: 密度勾配型パッド材は、少なくとも一つの表面が、その厚さ方向の一部分の密度が厚さ方向の残りの部分の密度に対して高くなるように加工された単層構造の不繊布材を含む。加工後の単層構造の不繊布材は、２００〜４０００ＭＫＳ  Ｒａｙｌｓの範囲にある空気流抵抗を有し、その単層構造の不繊布材は向上した音響性能を有する。向上した音響性能を有する密度勾配型パッド材の製造方法は、単層構造の不織布材を提供する工程と、その厚さ方向の一部分の密度が厚さ方向の残りの部分の密度に対して高くなるように前記単層構造の不織布材の少なくとも一つの表面を加工する工程とを含む。加工後の単層構造の不繊布材は、２００〜４０００ＭＫＳ  Ｒａｙｌｓの範囲にある空気流抵抗を有する。
Patent JP-2005523663-A (JP)
IPC: H04H20/18
Filed: 2003-04-14
Abstract: The invention is related to a method and a system of providing a service associated with a media stream for user equipment The system comprises a server connected to a communication network for providing the service using the radio interface of the communication network. The system further comprises a broadcast system for providing the media stream. Associating data for associating the media stream with the service is transmitted from the system to the user equipment. The associating data is received, and the system is configured to provide the user equipment with the service by using the associating data.
Patent JP-2005195931-A (JP)
Title: Processing agent with bleaching ability for silver halide color photographic photosensitive material
Inventor: OKANO MASARU
IPC: G03C7/42
Filed: 2004-01-08
Abstract: <P>PROBLEM TO BE SOLVED: To provide a processing agent with bleaching ability for a silver halide color photographic photosensitive material excellent in container soiling resistance during storage under various environmental conditions.  <P>SOLUTION: The processing agent does not substantially contain a thiosulfate but contains at least an iron complex of an aminopolycarboxylic acid, wherein the proportion of the number of mols of Fe (II) to the total number of mols of the iron complex of the aminopolycarboxylic acid is ≥50 mol%.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005198083-A (JP)
Title: Pll circuit
Inventor: MAEDA MASAKATSU
IPC: H03L7/107
Filed: 2004-01-08
Abstract: <P>PROBLEM TO BE SOLVED: To provide a PLL synthesizer to establish the compatibility between the high speed performance and a high C/N.  <P>SOLUTION: A cancel current generating circuit 14 is provided between the output of a loop gain changeover control circuit 13 and a loop filter 5 and supplies an arbitrary constant cancel current (Ican) 17 to the loop filter 5 for an arbitrary time in the instant when the gain of a phase comparator 3 and a charge pump 4 is switched from a high gain to a low gain to switch a PLL loop gain or at the instant when the charge pump 4 is switched from the operating state into the stop state.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005196577-A (JP)
Title: Automatic vending machine and merchandise transport method for automatic vending machine
Inventor: MATOBA KAZUYOSHI
IPC: G07F11/58
Filed: 2004-01-08
Abstract: <P>PROBLEM TO BE SOLVED: To reliably transport leading merchandise on a merchandise transporting unit to a bucket side.  <P>SOLUTION: This automatic vending machine is provided with: a measuring unit for measuring a period in which leading merchandise is continuously detected by a non-contact sensor since the driving of a first driving belt is stopped by a first driving mechanism on the basis of the detection result of a non-contact sensor; and a control part for determining whether the period measured by the measuring unit has reached a predetermined period, and when the period measured by the measuring unit has reached the predetermined period, supplying a driving signal for transporting a first driving belt to the leading merchandise side by a predetermined length to the first driving mechanism when the period measured by the measuring unit has reached the predetermined period, and further supplying a stop signal to stop the driving of a second driving belt to a second driving mechanism when the leading merchandise is not detected from the detection state by the non-contact sensor.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005193359-A (JP)
Title: Centerless grinding method and grinder
Inventor: ITO HIDEAKI
IPC: B24B5/18
Filed: 2004-01-09
Abstract: <P>PROBLEM TO BE SOLVED: To provide a centerless grinding method for grinding a workpiece with high accuracy in a short period of time, and contributing to reduction in facility cost, and to provide a grinder for use in the method.  <P>SOLUTION: The grinder is formed of a grinding wheel 11 for grinding a first ground surface G1 and a second ground surface G2 of the workpiece W, an adjusting wheel 12 for bearing the first ground surface G1 and applying a backward thrust to the workpiece W, a stopper 14 for inhibiting backward movement of the workpiece W, a first grinding wheel feeding means for feeding the grinding wheel 11 so as to make a first working surface 21 and a second working surface 22 carry out in-feed grinding, and terminating the feeding so as to be switched from the in-feed grinding to spark-out grinding, a stopper feeding means for withdrawing the stopper 14 simultaneously or before starting of the in-feed grinding, and advancing the stopper 14 so as to separate the second working surface 22 from the second ground surface G2 simultaneously or after completion of the spark-out grinding, and a second grinding wheel feeding means for feeding the grinding wheel 11 so as to carry out the in-feed grinding and the spark-out grinding of the first ground surface G1 after the second working surface 22 is separated from the second ground surface G2.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005193616-A (JP)
Title: Sheet
Inventor: MIYAMURA TAKESHI
IPC: A47K17/02
Filed: 2004-01-09
Abstract: <P>PROBLEM TO BE SOLVED: To obtain a sheet excellent in water absorbability and waterproofness, enhanced in strength while keeping use simplicity and hard to be ruptured.  <P>SOLUTION: The sheet has a waterproof layer constituted of a synthetic resin or the like and the water absorbing layer adjacent to the waterproof layer and constituted of a nonwoven fabric or the like. The tensile strength of the sheet is 6-20 N/25 mm.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005201544-A (JP)
Title: Heat transfer device and method
Inventor: MITANI SHIGEKI
IPC: H01L35/32
Filed: 2004-01-15
Abstract: <P>PROBLEM TO BE SOLVED: To provide a heat transfer device capable of transferring heat to a separated heat source by a simple constitution.  <P>SOLUTION: This heat transfer device 100 comprises a p-type peltiert element 1 for drawing a first heat flow from a low temperature heat source 13, an intermediate heat reservoir 5 for transferring the first heat flow drawn by the p-type peltiert element 1, a p-type peltiert element 2 for radiating the first heat flow transferred by the intermediate heat reservoir 5 to a high temperature heat source 14, a n-type peltiert element 3 for drawing a second heat flow from the low temperature heat source 13, an intermediate heat reservoir 6 for transferring the second heat flow drawn by the n-type peltiert element 3, a n-type peltiert element 4 for radiating the second heat flow transferred by the intermediate heat reservoir 6 to the high temperature heat source 14, and a current supply unit 7 for supplying the electric current 23 to the p-type peltiert elements 1, 2 from the low temperature heat source 13 side toward the high temperature heat source 14 side, and then supplying the electric currents to the n-type peltiert elements 4, 3 from the high temperature heat source 14 side toward the low temperature heat source 13 side.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004364248-A (JP)
Title: Dielectric filter, dielectric duplexer and communication apparatus
Inventor: ATOKAWA SUKEYUKI
IPC: H01P1/213
Filed: 2004-01-15
Abstract: <P>PROBLEM TO BE SOLVED: To provide a dielectric filter, a dielectric duplexer and a communication apparatus equipped with them in which attenuation peak are generated on both lower-frequency and higher-frequency sides of a passband without extremely narrowing a pitch of a resonant through hole.  <P>SOLUTION: A dielectric block 1 includes resonant through holes 4a-4d that are arranged adjacent to each other. A multipath slot 11 is arranged near the three adjacent through holes 4a, 4b, 4c. The multipath slot 11 forms a conductor to generate a capacitance between an area near the open end of each of the three adjacent through holes and the conductor of the multipath slot. A step 13 is formed that generates capacitance positively between an area near the open end of each of through holes 4c, 4d and an outer conductor. An attenuation peak is generated at the lower-frequency side of the passband with a resonator composed of the three through holes 4a, 4b, 4c, and an attenuation peak is generated at the higher-frequency side of the passband with a resonator composed of the two through holes 4c, 4d.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005201398-A (JP)
Title: Valve structure of hydraulic buffer
Inventor: MINEO MASATOSHI
IPC: F16F9/348
Filed: 2004-01-16
Abstract: <P>PROBLEM TO BE SOLVED: To improve assembling efficiency of a sub-valve in a valve structure of a hydraulic buffer including two valve mechanisms.  <P>SOLUTION: In this valve structure of the hydraulic buffer 10 opening and closing an oil passage 38B by two-stage valve mechanisms composed of a first valve mechanism part 70 and a second valve mechanism part 80, the first valve mechanism part 70 has a sub-valve 71 and a valve seat 72, the sub-valve 71 is a double annular body formed by connecting an inner ring part 71A and an outer ring part 71B at a part in the circumferential direction thereof, and the outer edge of the outer ring part 71B abuts on an inner peripheral round surface 61. The valve seat 72 is stacked on the back of the sub-valve 71 to block up an annular gap 71D between the inner ring part 71A and the outer ring part 71B of the sub-valve 71. The inner ring part 71A of the sub-valve 71 of the first valve mechanism part 70 and the valve seat 72 are clamped with constituting valves 81 to 85 of the second valve mechanism part 80 and fixed to a piston 33.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005206266-A (JP)
Title: Wind-up tool for conveyer belt and method for winding up conveyer belt using the wind-up tool
Inventor: HIRASE KOICHI
IPC: B65H75/14
Filed: 2004-01-20
Abstract: <P>PROBLEM TO BE SOLVED: To provide a wind-up tool for a conveyer belt capable of winding up the conveyer belt without damaging it and easily carrying out the installation of an auxiliary flange member and a method for winding up the conveyer belt using the wind-up tool.  <P>SOLUTION: A plurality of mounting holes 6 are formed on side surfaces of a pair of flange members 4a, 4b. Auxiliary flange members 7 projecting outward from outer peripheral edges of the flange members 4a, 4b are attachably/detachably mounted to the mounting holes 6 through fastening members 8 such as bolts. The auxiliary flange member 7 comprises two sets of approximately triangular members 7a, 7a on one side, a member 7b constituting a central beam, and two connection members 7c, 7c for connecting base side terminal parts of the two members 7a, 7a. The members 7a, 7a and the connection members 7c, 7c are attachably/detachably connected by a plurality of fastening members 9 such as bolts.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005207256-A (JP)
Title: Valve system of internal combustion engine
Inventor: IMOTO YUTAKA
IPC: F02D13/02
Filed: 2004-01-20
Abstract: <P>PROBLEM TO BE SOLVED: To prevent or suppress the blow back of intake air and suppress the lowering of fuel economy due to the lowering of an effective expansion ratio by starting to open an intake valve when a pressure in a combustion chamber is low.  <P>SOLUTION: The valve characteristic variable mechanism M of a valve system 40 controls an internal EGR rate by controlling an overlapping period and a non-overlapping period. The valve characteristic variable mechanism M comprises a control mechanism M3 swinging an intake link mechanism connected to an intake cam and an exhaust link mechanism connected to an exhaust cam 54 about a camshaft 50 and a drive mechanism driving the control mechanism M3. The control mechanism M3 connects the drive mechanism to each link mechanism so that the spark-retard angle of an intake valve 22 at an opening time by an intake link mechanism is larger than the spark-advance angle of an exhaust valve 23 at a closing timing by an exhaust link mechanism relative to the same drive amount of the drive mechanism in the increasing direction of an internal EGR rate.  <P>COPYRIGHT: (C)2005,JPO&NCIPI