baber/WOPTO huggingface dataset:
Patent JP-2006506526-A (JP)
Title: 耐摩耗性鋼板を製造する方法および得られた鋼板
IPC: C22C38/50
Filed: 2003-11-13
Abstract: 本発明は、０．１％≦Ｃ≦０．２３％、０％≦Ｓｉ≦２％；０％≦ＡＩ≦２％；０．５％≦Ｓｉ＋ＡＩ≦２％；０％≦Ｍｎ≦２．５％；０％≦Ｎｉ≦５％；０％≦Ｃｒ≦５％；０％≦Ｍｏ≦１％；０％≦Ｗ≦２％；０．０５％≦Ｍｏ＋Ｗ／２≦１％；０％≦Ｂ≦０．０２％；０％≦Ｔｉ≦０．６７％；０％≦Ｚｒ≦１．３４％；０．０５％＜Ｔｉ＋Ｚｒ／２≦０．６７％；０％≦Ｓ≦０．１５％；Ｎ＜０．０３０、場合により０％から１．５％のＣｕ；場合によりＮｂ／２＋Ｔａ／４＋Ｖ≦０．５％になるようなＮｂ、ＴａまたはＶ；場合により０．１％以下の含有量のＳｅ、Ｔｅ、Ｃａ、Ｂｉ、Ｐｂ；残部は鉄および不純物、からなる耐摩耗性鋼部品を作製する方法に関する。加えて：０．０９５％≦Ｃ ＊ ＝Ｃ−Ｔｉ／４−Ｚｒ／８＋７×Ｎ／８、Ｔｉ＋Ｚｒ／２−７×Ｎ／２≦０．０５％および１．０５×Ｍｎ＋０．５４×Ｎｉ＋０．５０×Ｃｒ＋０．３×（Ｍｏ＋Ｗ／２） １／２ ＋Ｋ＞１．８、ただし、Ｂ≧０．０００５％のときはＫ＝１、Ｂ＜０．０００５％のときはＫ＝０である。オーステナイト化後、この方法は：ＡＣ ３ およびＴ＝８００−２７０×Ｃ ＊ −９０×Ｍｎ−３７×Ｎｉ−７０×Ｃｒ−８３×（Ｍｏ＋Ｗ／２）から約Ｔ−５０℃の間を、０．５℃／ｓより大きな速度で冷却すること；次いで、０．１＜Ｖｒ＜１１５０×ｅｐ −１．７ の速度で、Ｔと１００℃の間を冷却すること（ｅｐはｍｍで表された板の厚さ）；周囲温度まで冷却することおよび場合によりプラニシングすることよりなる。本発明は、また、本発明の方法により得られた板に関する。
Patent JP-2006507788-A (JP)
Title: アセンブリ用支持部材
IPC: F16G13/16
Filed: 2003-11-20
Abstract: 本発明は、エネルギー、ガス又は液体を搬送する導体、導管又は他の手段のアセンブリ用の支持部材（５０、６０、７０）に関する。本発明は、可撓性基材（１４、２２）の長さに沿って配置された一連の非連動固形物（１６、１８、５８）を備えている。非連動固形物は、動作制限部分を有している。動作制限部分は、隣接する固形物上の同様な部分と接触して一つの方向における支持部材の移動を制限するとともに、支持部材が反対方向に湾曲又は曲がることができるようにする。また、本発明は、前記支持部材を組み込んだアセンブリに関する。
Patent JP-2006509582-A (JP)
Title: 経肺投与用の吸入式デバイス
IPC: A61M15/00
Filed: 2003-12-12
Abstract: 経肺投与用の吸入式デバイスは、空気衝撃を受けることによって微粒子化して空気中に分散する医薬組成物を収納する収納室と、   前記医薬組成物に空気衝撃を与える外部空気を前記収納室内に導入して前記医薬組成物に向けて放射するための空気導入流路と、   微粒子化した医薬組成物を吸引するために吸引口が前記収納室に臨むように設けられた吸引流路と、   前記収納室、前記空気導入流路及び前記吸引流路を収めるハウジングと、   前記ハウジングの一端部に設けられるマウスピースと、を備え、   前記マウスピースは、前記吸引流路と連通するマウス側流路と、前記吸引流路及び前記マウス側流路に合流することなく外部空気を直接吸引するための補助流路とを有し、   被験者が吸気したときには、その吸気圧により前記収納室内に流入した外部空気により前記医薬組成物に空気衝撃が与えられ、微粒子化した前記医薬組成物が前記マウス側流路に導入され、同時に、前記吸気圧により外部空気が前記補助流路に直接導入されるように構成したことを特徴とする。
Patent JP-2006190368-A (JP)
Title: Optical pickup device, optical disk device and photo detector unit
Inventor: OYAMA HIDEKI
IPC: G11B7/135
Filed: 2005-01-05
Abstract: <P>PROBLEM TO BE SOLVED: To provide an optical disk device to be miniaturized, and an optical disk device.  <P>SOLUTION: The optical pickup device is provided with a light source, a converging member for converging a light from the light source, and a light receiving part for receiving a light from the light source. The light receiving part is provided with a light receiving element 114 having a photodetection part, a wiring board 49 having a light transmitting part 49a, and a transparent glass substrate 118. The wiring board 49 is disposed between the light receiving element 114 and the transparent glass substrate 118, and the photodetection part and the transparent glass substrate 118 face each other via the light transmission part 49a.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2006188322-A (JP)
Title: Storage device, storage system and storage method
Inventor: KIMURA AKITERU
IPC: B65G1/137
Filed: 2005-01-05
Abstract: <P>PROBLEM TO BE SOLVED: To provide a storage device, a storage system and a storage method capable of storing and managing not only an object to be managed with an RFID (Radio Frequency Identification) tag attached thereto but also an object to be managed with no RFID tag attached thereto.  <P>SOLUTION: The storage device 1 has a plurality of storage parts 2-1 to 2-n, an each storage part comprises a locking part 2a to lock and unlock the storage part, an opening/closing sensor 2b to detect the opening/closing state of a door provided on a storage port to taken in/take out an object to be managed, a weight sensor 2c to detect the weight of the storage part, and an RFID processing unit 2d to perform the RFID processing of reading and writing information recorded in the RFID tag 11 attached to the object stored in the storage part. The RFID processing unit 2d has an antenna 2da for RFID processing.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2006188994-A (JP)
Title: Fuel injection valve
Inventor: TANI TAISHIN
IPC: F02M61/18
Filed: 2005-01-06
Abstract: <P>PROBLEM TO BE SOLVED: To provide a fuel injection valve for promoting atomization, by securing a fuel injection characteristic corresponding to an engine operation state.  <P>SOLUTION: This fuel injection valve 10 injects fuel into an internal combustion engine, and has a nozzle port plate 21 arranged on the tip of the fuel injection valve 10 and forming a nozzle port 27 for injecting the fuel, and an air intake plate 24 for covering at least a part of the outer peripheral side of the nozzle port 27 among the downstream end of the nozzle port plate 21. A space part 23 partitioned by the air intake plate 24 and the nozzle port plate 21, communicates with the periphery in a position dislocated in the peripheral direction, and an air hole 28 is arranged on the inner peripheral side of the air intake plate 24.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2006190620-A (JP)
Title: Connection device
Inventor: KANEKO JUN
IPC: H01R13/639
Filed: 2005-01-07
Abstract: <P>PROBLEM TO BE SOLVED: To provide a connection device which can easily detach and replace a pair of connectors from an equipment main body with the small number of components.  <P>SOLUTION: The connection device has a metallic housing and a pair of first and second connectors 2, 20 in free detachment. The first and second connectors 2, 20 are installed detachably mutually from opposed directions to an installation frame 15 having a tubular frame which has a through-hole of a size in which the first connector 2 is inserted and of which outer surrounding is surrounded by a side wall of a prescribed width and a flange to install on an equipment main body at the outer surrounding of this tubular frame; and this installation frame 15 is installed on the equipment main body 30.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2006192028-A (JP)
Title: Pinball game machine
Inventor: ENOMOTO HIROSHI
IPC: A63F7/02
Filed: 2005-01-12
Abstract: <P>PROBLEM TO BE SOLVED: To provide a pinball game machine in which the roughly center part of a front surface frame can be also fixed to a game board attaching frame and the illegal action of obtaining winning balls intentionally is prevented.  <P>SOLUTION: The pinball game machine comprises: an outer frame 1; the game board attaching frame 3 attached to the front surface of the outer frame 1 so as to be freely opened and closed; and the front surface frame 4 attached to the front surface of the game board attaching frame 3 so as to be freely opened and closed. A locking part 23 is projectingly provided to the almost center of the lower front surface of the game board attaching frame 3, a lock 16 for locking or unlocking the game board attaching frame 3 and the front surface frame 4 is attached to the open side of the game board attaching frame 3 or the front surface frame 4, and a front surface frame deflection preventing means 81 which is energized so as to be engaged with the locking part 23 in a normal state and releasing the state of being engaged with the locking part 23 in cooperation with a turning operation only at the time of inserting a key 60 into the lock 16 and turning it in the direction of unlocking the front surface frame 4 is provided on the back surface of the front surface frame 4.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2006194337-A (JP)
Title: Nitrogen supply system
Inventor: MOCHIZUKI SHINJI
IPC: F02C1/00
Filed: 2005-01-13
Abstract: <P>PROBLEM TO BE SOLVED: To provide a nitrogen supply system for generating stable electric power while vaporizing liquefied nitrogen and supplying nitrogen gas and for stabilizing the pressure of the nitrogen gas after generating the electric power.  <P>SOLUTION: The nitrogen supply system 1 comprises a storage tank 2 for storing the liquefied nitrogen and a pipe 4 for transferring the liquefied nitrogen from the storage tank 2. It has a heat exchange part 5 provided in the pipe 4 for heat exchange with the liquefied nitrogen flowing in the pipe 4 to vaporize the liquefied nitrogen, a heat exchange means 20 for supplying heat medium to the heat exchange part 5 after cooling an exhaust heat source while keeping the heat exchange amount of the supplied heat medium almost constant in the heat exchange part 5, and a generating means 6 provided on the downstream side of the pipe 4 beyond the heat exchange part 5 for generating the electric power with the nitrogen gas flowing therein after heat exchanged by the heat exchange part 5 and vaporized.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2006199313-A (JP)
Title: Paper box, and its manufacturing method
Inventor: FUJIKAWA NOBUYUKI
IPC: B65D5/42
Filed: 2005-01-18
Abstract: <P>PROBLEM TO BE SOLVED: To provide a paper box which can be manufactured by the unit of a small quantity by using a laser printer without utilizing the plate making for which labor and costs are required, and at the same time, can quickly respond to the change of a display surface of the paper box, and to provide its manufacturing method.  <P>SOLUTION: This paper box is assembled out of a double sheet of a printed paper which has been printed by the laser printer. This manufacturing method comprises four processes. In the first process, a specified design is printed on a printing paper by the laser printer. In the second process, the slip sheet is formed by pasting the printed paper, which has been obtained by printing the printing paper, on a support paper. In the third process, the slip sheet is punched out into a shape of the developed paper box. In the fourth process, the punched out slip sheet is assembled into the paper box.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2006199118-A (JP)
Title: Driver's seat
Inventor: KAWAMORI JUN
IPC: B60N2/10
Filed: 2005-01-19
Abstract: <P>PROBLEM TO BE SOLVED: To provide a driver's seat which can increase the operability of a vehicle driving operation.  <P>SOLUTION: This driver's seat 3 of a vehicle is an operation system integrated type driver's seat for which an operation system (for example, steering, acceleration, deceleration and the change of a shifting position or the like) and a seat section are integrated. The driver's seat 3 is equipped with a seat unit 4 on which a driver performs the driving operation while sitting, and a supporting base 5 which relatively movably supports the seat unit 4. The driver's seat 3 is equipped with a pendulum mechanism 44 which makes the seat unit 4 perform a pendulum motion when the vehicle swings (tilts) at a curving travel or an off-road run or the like. When the traveling vehicle swings at the time of curving or the like, by the swing, a swinging force in the outward direction (sideways), i.e., the moment of inertia M is applied to the vehicle. The moment of inertia M works to the seat unit 4, and the seat unit 4 presents the pendulum motion under guidance by a rail mechanism 46.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2006201439-A (JP)
Title: Automatic performance apparatus and automatic performance program
Inventor: KINUMURA KAZUAKI
IPC: G10H1/00
Filed: 2005-01-20
Abstract: <P>PROBLEM TO BE SOLVED: To provide an automatic performance apparatus, capable of changing a tempo of a music piece during automatic performance to a performance tempo by a player, merely by performing a special pattern defined to the music piece at a player's favorite tempo during the automatic performance.  <P>SOLUTION: According to the present invention, the automatic performance apparatus is so configured that when a special pattern according to the music piece is inputted to be performed during automatic performance, since the tempo inputted thereby is changed to the tempo of the music piece being played automatically switch operation or the like is not required during the automatic performance; and the pattern inputted to be performed by a keyboard is harmonized in natural manner with the automatically performed music piece and the tempo can be changed to the desired tempo.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2006202068-A (JP)
Title: Word recognition device and method
Inventor: KOGA MASASHI
IPC: G06K9/03
Filed: 2005-01-21
Abstract: <P>PROBLEM TO BE SOLVED: To recognize a word from a character string of Japanese or Chinese language having no space between words.  <P>SOLUTION: A selecting means is provided, which is for selecting a word, which is closest to position information an operator designates, from a set of candidate words obtained by the result of word collation. In the word collation, the sequence of partial images, which are plausible as a word preliminarily stored in a dictionary, is detected, based on the result of the recognition of characters.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2006203046-A (JP)
Title: Highly reliable semiconductor package and packaging board using the same
Inventor: SHIMIZU ICHIRO
IPC: H01L23/12
Filed: 2005-01-21
Abstract: <P>PROBLEM TO BE SOLVED: To prolong a thermal fatigue life of a solder junction.  <P>SOLUTION: Making a round land an irregular shape replaces an occurrence of maximum distortion at a point with an occurrence of maximum distortion in a linear form, and slackens a change in distortion distribution to reduce the maximum distortion. This can prolong the fatigue life.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2006198338-A (JP)
Title: Pachinko game machine
Inventor: KAWAGUCHI SATORU
IPC: A63F7/02
Filed: 2005-01-24
Abstract: <P>PROBLEM TO BE SOLVED: To provide a pachinko game machine which controls performance display for improving a savor.  <P>SOLUTION: At a display device 4, in a "ready-to-win state" wherein the same pattern is stopped and displayed in a left symbol display area and a right symbol display area and a pattern displayed in a middle symbol display area is being varied, a light van 101 which is a branching character is displayed from the left upper part to the center lower part. Thereafter, the display that the van 101 which is the branching character passes in a left direction from the center lower part is performed, or the van 101 which is the branching character is rotated at the center lower part and a rear door is displayed. For the display control, by a display sub board, a video pattern number is acquired from a video pattern selection table on the basis of information relating to a "final stop pattern" and information relating to the number of a variation pattern transmitted from a main board and it is performed on the basis of the acquired video pattern number and a video pattern constitution table further.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2006205820-A (JP)
Title: Webbing winding device
Inventor: TATSUMA ATSUSHI
IPC: B60R22/34
Filed: 2005-01-26
Abstract: <P>PROBLEM TO BE SOLVED: To provide a simple and compact webbing winding device, capable of favorably absorbing inertia energy of an occupant, and preventing generation of noise.  <P>SOLUTION: In this webbing winding device 10, a wire 32 is extended between a lock member 18 and a spool 14. The wire 32 comprises a rod member that is bent at two positions in a crank form, and its head 34 is locked to a lock hole 36 in the lock member 18 to be integrally coupled. A middle part of the wire 32 is housed in a housing groove 28 in the spool 14, and its tip side is inserted in a housing hole 30 to be movable. The wire 32 is applied to two points A and B on the opposite side to each other to the spool axial line direction to be held. It is held in the housing hole 30 to be applied to two points C and D on the opposite side to each other in the perpendicular direction to the spool axial line. The wire 32 is thus held at a prescribed arrangement position by simply setting its form correctly.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2006210065-A (JP)
Title: Microrelay
Inventor: SADAMORI TAKESHI
IPC: H01H50/18
Filed: 2005-01-26
Abstract: <P>PROBLEM TO BE SOLVED: To provide a microrelay in which the vicinity of fulcrum projections of the armature part is hardly deformed.  <P>SOLUTION: The microrelay comprises an armature block 3 having an armature part 30, a magnetic body 32 jointed to the armature part 30, and an electromagnet device which attracts the magnetic body 32 and rotates the armature part 30. A projection 36B as a fulcrum projection which contacts the body and becomes a fulcrum when the armature part 30 rotates against the body is provided. Furthermore, a jointing assisting member 5 which contacts the armature part 30 respectively in the region overlapping the projection 36B and the region not-overlapping the projection 36B when viewed from projecting direction of the projection 36B is provided. Since the armature part 30 is mechanically reinforced by the jointing assisting member 5, the vicinity of the projection 36B of the armature part 30 is hardly deformed even when the magnetic body 32 is attracted by the electromagnet device.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2006206946-A (JP)
Title: Silver plating bath for cuprous material
Inventor: HAGA MASAKI
IPC: C23C18/42
Filed: 2005-01-27
Abstract: <P>PROBLEM TO BE SOLVED: To provide a silver plating bath for cuprous material capable of depositing a white and dense silver film during the substitution silver plating on a copper-based material.  <P>SOLUTION: The substitution silver plating bath contains soluble silver salt and base acid, and specified thioamino-carboxylic acid or its salt (methionine or the like), aliphatic mercapt carboxylic acid or its salt (mercapt succinic acid or the like), sulfides (2-(2-hydroxy ethyl thio) ethane sulphonic acid, 3, 6, 9-trithiaundecane-1, 11-disulphonic acid or the like), and thiourea derivatives (1,3-bis (3-pyridyl methyl)-2-thiourea or the like) are selected as a complexing agent. Since the specified sulfur-containing compound is used for the complexing agent, the electric potential difference of electrodes between the complexed copper ions and silver ions can be adequately adjusted, and a white and dense silver film can be obtained thereby.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2006207447-A (JP)
Title: Constant-mesh starter
Inventor: MASAKI KAZUO
IPC: F02N15/02
Filed: 2005-01-27
Abstract: <P>PROBLEM TO BE SOLVED: To provide a constant-mesh starter 1 having an electromagnetic clutch 9 for connecting and disconnecting transmission of torque between a motor 3 and an output shaft 7 and making the electromagnetic clutch 9 small.  <P>SOLUTION: The starter 1 is applied to an idling stop system with a pinion 8 always meshed with a ring gear 24 of an engine. The starter 1 is provided with the electromagnetic clutch 9 for connecting and disconnecting the transmission of torque between the motor 3 and the output shaft 7, a torque limiter 10 for blocking off transmission of excessive torque, an impact absorber 11 for lessening impact torque and the like caused in engine starting, and so on. The impact torque, a rapid torque variation and the like caused in engine starting can be absorbed by the impact absorber 11 and excessive impact not sufficiently absorbed by the impact absorber 11 can be cut by the torque limiter 10. The excessive torque is thereby not applied to the electromagnetic clutch 9 and the electromagnetic clutch 9 can be made small and lightened.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2006210594-A (JP)
Title: Laminated lead frame and its manufacturing method
Inventor: MATSUNAGA KIYOSHI
IPC: H01L23/50
Filed: 2005-01-27
Abstract: <P>PROBLEM TO BE SOLVED: To provide a laminated lead frame wherein a wire bonding section provided at the tip of a lead can sufficiently be ensured and the wire bonding section is made smooth to improve joint strength with a bonding wire, and to provide its manufacturing method.  <P>SOLUTION: A plurality of thin boards 11 and 12 worked to a specified shape are stuck, and a plurality of leads directing to a central semiconductor arrangement area are provided with thinned wire bonding sections 19 on their tips. In the laminated lead frame such a structure and its manufacturing method, a recessed groove 20a is formed on a boundary between an area 20 as the wire bonding section 19 and a lead 18 on its base side which are formed in the lowermost thin plate 11, and then the area 20 is planarized by pressing working.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2006210201-A (JP)
Title: Electrochemical device and its manufacturing method
Inventor: AZUMA SHUJI
IPC: H01G11/00
Filed: 2005-01-28
Abstract: <P>PROBLEM TO BE SOLVED: To prevent the intrusion of moisture from a sealing part of an outer package in an electrochemical device such as a battery or an electric double layer capacitor, etc.  <P>SOLUTION: The electrochemical device 10 is constituted by storing a laminated body 18 in the outer package 16 composed of a lid metal lamination material 12 and a storing part metal lamination material 14. In one part or all parts of the outermost periphery of the outer package 16, outer periphery ends 21A and 21B are in close proximity or abutted to each other in metal layers 20A and 20B constituting one part of the metal lamination material, and at least one part is covered in outer periphery ends 23A and 23B of two pieces of resin seal layers 22A and 22B directly holding the laminated layer 18 inside the metal lamination material.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2006217006-A (JP)
Title: Audio output apparatus, synchronization adjustment system, and synchronization adjustment method
Inventor: NAKAMURA ISAO
IPC: H04N5/60
Filed: 2005-02-01
Abstract: <P>PROBLEM TO BE SOLVED: To provide an audio output apparatus capable of simply adjusting the synchronization between a video image of a display apparatus such as a plasma display device and an output audio of the audio output apparatus such as an audio amplifier.  <P>SOLUTION: The audio output apparatus includes: an output means (output terminal 4t) for outputting a prescribed audio signal to the display apparatus for receiving a video signal including a moving picture and an audio signal synchronously with the video signal and reproducing the received signals; an input means (adjustment audio input terminal 4r) for receiving the audio signal outputted from the output terminal outputting the audio signal adjusted to be synchronous with the video image displayed on the display apparatus; a calculation means (a coincidence detection circuit 4j and a control circuit 4g) for comparing the audio signal outputted from the output means with the audio signal received from the input means to calculate a delay amount; and a delay means (digital delay circuit 4i) for receiving the audio signal synchronously with the video signal including the moving picture, delaying the audio signal by the delay amount and providing an output of the result.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2006213360-A (JP)
Title: Mouth cap with te function
Inventor: SAITO TAKASHI
IPC: B65D41/34
Filed: 2005-02-04
Abstract: <P>PROBLEM TO BE SOLVED: To provide a mouth cap with TE function referred to as a pick-tail type, which is attached to a threaded mouth cap body 20 for a liquid paper container, a PET bottle, a glass bottle or the like, and capable of easily performing the opening action of turning a threaded cap 30 to the left and the closing action by breaking a TE function band 31.  <P>SOLUTION: In the bung cap with the TE function, an annular two-folded TE function band 31 having a vertical notch f having a transverse bridge e is continuously provided on a lower circumferential end of a regular plastic-made thread-type cap 30 via one hinge bridge g in a vicinity of the vertical notch f and a large number of easily-breakable bridges h, h, h,..., on the entire circumference, and a slip-proof fine gear pattern (a) similar to a fine gear pattern d of the thread-type cap 30 is provided on the entire outer surface of the annular two-folded TE function band 31.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2006215456-A (JP)
Title: Image reader
Inventor: SUUN KEE FA
IPC: G03B27/50
Filed: 2005-02-07
Abstract: <P>PROBLEM TO BE SOLVED: To provide an image reader capable of positioning a plurality of lenses for forming an image on an image sensor, on an optical path with a simple mechanism.  <P>SOLUTION: The image reader is equipped with: a platen; the image sensor; a lens unit in which a plurality of lenses for forming the image of an original positioned on the platen on the image sensor are mounted; a stopper which abuts on the lens unit in a state where any lens is positioned on the optical path leading to the image sensor from the original; a motor; and a screw which transmits the motive power of the motor so as to move the lens unit.  <P>COPYRIGHT: (C)2006,JPO&NCIPI