baber/WOPTO huggingface dataset:
Patent JP-2003513323-A (JP)
IPC: G03B21/14
Filed: 2000-11-03
Abstract: Illumination system for a videoprojector, which comprises a lighting lamp (1) emitting a light beam on a first optical axis (AB) and a projection lens (10) crossed by said light beam along a second optical axis (DE), said first optical axis (AB) and second optical axis (DE) not being substantially parallel to each other and respectively pertaining to a first plane (P1) and second plane (P2), said light beam being guided along an optical path by optic deflecting means (6; 11, 11'), which shift it from the first plane (P1) to the second plane (P2) and optic handling means (7, 8, 97, 8, 9; 12, 9', 9, 9''') shifting it from the first optical axis (AB) to the second optical axis (DE), said optic handling means (7, 8, 9; 7, 8, 9, 12, 9', 9, 9''') comprising an image forming device (9). According to the invention the geometric projection of the optical path on the first plane (P1) comprises a closed path (BB'CDX).
Patent JP-2003529819-A (JP)
IPC: G06F9/46
Filed: 2000-11-14
Abstract: A device used for control or monitoring of a process is updated without interruption or exceeding upper response time limits for response to a change in the state of the process. If the updating task requires too much run time, the updating task is terminated. As soon as the updating task has been terminated, a configuration is established again with regard to the control or monitoring of the process, so that it is possible to respond again to changes in the state of the process.
Patent JP-2003516570-A (JP)
IPC: G06F9/38
Filed: 2000-10-12
Abstract: A method and apparatus are provided for entering and exiting multiple threads within a multithreaded processor. A state machine is maintained to indicate a respective status of an associated thread of multiple threads being executed within a multithreaded processor. A change of status for a first thread within the multithreaded processor is detected and, responsive to the change of status for the first thread within the multithreaded processor, a partitioning scheme for the functional unit is altered to service a second thread, but not the first thread, within the multithreaded processor when the change of the status of the first thread comprises a transition from an active state to an inactive state.
Patent JP-2004502793-A (JP)
Title: ポリ（トリメチレンテレフタレート）の連続的製造方法
IPC: C08G63/183
Filed: 2000-08-10
Abstract: ポリ（トリメチレンテレフタレート）の連続的製造方法を開示する。この方法では、液体供給混合物はビス−３−ヒドロキシプロピルテレフタレートおよび／または１，３−プロパンジオールおよびテレフタル酸の低分子量ポリエステルを含み、テレフタレート基に対するプロピレン基のモル比が１．１から２．２の液体供給混合物を予備重合器に送り込む。ビス−３−ヒドロキシプロピルテレフタレートおよび低分子量ポリエステルが連続的に重合して、ポリ（トリメチレンテレフタレート）プレポリマーおよびガス状副産物の第１流を形成する。相対粘度が少なくとも約５であるポリ（トリメチレンテレフタレート）プレポリマーを連続的に予備重合器から回収し、連続的に最終重合器に送り込み、ここで連続的に重合してより高分子量のポリ（トリメチレンテレフタレート）およびガス状副産物の第２流を形成する。相対粘度が少なくとも約１７であるより高分子量のポリ（トリメチレンテレフタレート）を連続的に最終重合器から回収する。
Patent JP-2003523454-A (JP)
Title: 三核化合物酸化防止剤を含む潤滑油組成物
IPC: C10N20/02
Filed: 2001-02-08
Abstract: (57)【要約】
本発明は、I族ベースストック及び一般式(I): Mo 3 S x -(Q)（式中、xは4〜10であり、Qはコア基であり、リガンドであってもよい。）を有する油溶性三核有機モリブデン化合物を含む潤滑油組成物であって、該ベースストックの100℃における動粘度 (KV 100 ) が約2×10 -6  m 2 /sec〜50×10 -6  m 2 /sec (2 cSt〜50 cSt)、飽和物含量が < 90 % w/w、芳香族含量が > 10 % w/w及びイオウ含量が > 0.03% w/wである、前記組成物に関する。本組成物は、同じ酸化防止剤を含有するII族、III族又はIV族ベースストックか又は二核ジチオカルバミンサン酸モリブデンを含有するI族ベースストックと比較した場合に安定性が改善された。
Patent JP-2003524994-A (JP)
Title: Ｗａｎ又はｌａｎにおけるインターネット・プロトコルのトラフィックを制御する方法及び装置
IPC: H04L12/24
Filed: 2001-02-22
Abstract: (57)【要約】
通信ネットワーク（図５）内のトラフィックを制御する方法及び装置は、複数のローカルアクティブノード及び１つのマスターノードを提供し、ローカルアクティブノードは、自身に対応しているネットワーク設備をポーリングし、ネットワーク利用についての情報をマスターアクティブノードへ送信する。定期的に、マスターアクティブノードは、ネットワークステータス情報をローカルアクティブノードへ送信する。また、ローカルアクティブノードは、マスターアクティブノードにネットワークステータスについてのクエリーを発行してもよい。ローカルアクティブノードに接続されたホストは、そのノードへネットワークステータスのためのクエリーを発行する。
Patent JP-2003527971-A (JP)
Title: 導電性接合部作成方法
IPC: B23K1/00
Filed: 2001-03-21
Abstract: (57)【要約】
銅または銅合金製の導体レールに対する導電性接合部作成方法において、接合すべき導体レール部材間にハンダ／ロウ付け剤を当て、その後少なくともその接合領域を加熱して接合部を作成する。本方法によれば、使用するハンダ／ロウ付け剤は、表層（４、６）と、それらの間の中間層（５）とを含む積層ハンダ／ロウ付け剤フォイル（３）とし、その接合領域を加熱処理して、拡散接合部を作成する。
Patent JP-2003528131-A (JP)
Title: カチオン性リポソーム
IPC: A61K47/18
Filed: 2001-03-29
Abstract: (57)【要約】
本発明のカチオン性リポソーム製剤は、リポソーム表面に共有結合したグリコサミノグリカンを有する、核酸および遺伝子産物の送達装置を提供する。グリコサミノグリカンは、ヒアルロン酸、コンドロイチン硫酸、ケラタン硫酸、キチンおよびヘパリンを非制限的に含む、任意のグリコサミノグリカンでありうる。好ましくは、グリコサミノグリカンはヒアルロン酸である。本発明はまた、核酸リポソーム製剤の調製方法も提供する。
Patent JP-2003530562-A (JP)
Title: センサ非依存性の振動振幅制御部
IPC: G01C19/56
Filed: 2001-03-17
Abstract: (57)【要約】
本発明は、振動可能な振動体が振動運動にもたらされる、容量性および/または誘導性のセンサ、例えば容量性マイクロマシニング型ヨーレートセンサにおける電圧を生成するための装置（１００，２００）に関している。本発明によれば、センサの製造コストを低減するために、センサの制御許容偏差に依存することなく、振動可能な振動体の一定した機械的な変位量を引き出す電圧発生装置（１０９）が設けられる。
Patent JP-2003531088-A (JP)
Title: 強化されたガラス体
IPC: C03C17/32
Filed: 2001-04-05
Abstract: (57)【要約】
本発明は、ガラスからなる基体と、この基体上に形成された少なくとも一層の膜とを有する強化されたガラス体に関する。本発明により、少なくとも一層の膜が１００〜１０００MPａの範囲内の或る決まった圧縮応力ないしは或る決まった引張応力の下に置かれる。この膜は、有機ポリマー、無機物質、あるいは、有機的に変性されたセラミックを、ディップコーティング法、スピンコーティング法、ラミネートコーティング法、スプレー法によりコーティングしてゾル・ゲル技術を用いて有機または無機の物質、あるいは、有機および無機の物質の混合物または化合物からなる膜の材料から形成される。
Patent JP-2003534424-A (JP)
Title: 低揮発性ｕｖ吸収性化合物を含むカーボネートポリマー組成物
IPC: C08K5/3492
Filed: 2001-02-16
Abstract: (57)【要約】
【課題】  物理的性質、加工性及び外観の性質の改善された組み合わせを有する高いレベルのＵＶ吸収剤を含むポリカーボネート組成物の提供。
【解決手段】  （ａ）カーボネートポリマー、及び（ｂ）以下の群の２つ以上から選ばれる１種以上のＵＶ吸収性化合物；（ｉ）ヒドロキシベンゾトリアゾール誘導体、（ｉｉ）ヒドロキシフェニルトリアジン誘導体、または（ｉｉｉ）シアノアクリル酸エステル化合物からなるカーボネートポリマー組成物であって、すべてのＵＶ吸収性化合物（ｉ）、（ｉｉ）及び（ｉｉｉ）は少なくとも４００ｇ／モルの分子量を有することを特徴とするカーボネートポリマー組成物。
Patent JP-2003204699-A (JP)
Title: Power transducer
Inventor: TAWARA YASUTO
IPC: H02H7/12
Filed: 2002-01-08
Abstract: <P>PROBLEM TO BE SOLVED: To provide a power transducer for a generator excited apparatus that can quickly suppress an overvoltage in a filter capacitor, even when the control power is cut off during the operation of the generator.  <P>SOLUTION: When a DC power source 17 supplied to a control circuit 24 is cut off, the voltage across the filter capacitor 3 in a main circuit 15 is divided by a voltage-divider resistor 4, and a gate voltage for operating a semiconductor switching element 9 in the discharge circuit 10 is supplied via a diode 5. When the DC power source 17 is supplied to the control circuit 24, a negative voltage, supplied from the DC converter 18 between N and COM, is divided by a Zener diode 7, and a negative voltage, which becomes the non-operating voltage, is supplied to the gate of the semiconductor switching element 9 of the discharge circuit 10.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003208181-A (JP)
Title: Waveform reproducing device
Inventor: IGUCHI AKIRA
IPC: G10L13/06
Filed: 2002-01-11
Abstract: <P>PROBLEM TO BE SOLVED: To provide a waveform reproducing device in which waveform reproducing is smoothly conducted even though a disk device whose access time is relatively slow is provided.  <P>SOLUTION: When the transfer to a waveform memory 18 of the waveform data that represent the front and the back half portions of music waveforms stored in a hard disk 17 is not in time, music waveforms based on the waveform data within a prescribed segment among the waveform data corresponding to the front half portion stored in the memory 18 are repeatedly reproduced until the waveform reproducing of the back half portion is made possible based on the waveform data representing the front half portion stored in the memory 18.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003204768-A (JP)
Title: Pumpkin for cooking and method for producing the same
Inventor: KASHIWABARA KEIKO
IPC: A23L29/00
Filed: 2002-01-11
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method for preventing deterioration of appearance and palate feeling caused by softening of tissue produced when heating pumpkins for cooking aiming at sterilization and cooking, and to provide the pumpkins for cooking free from getting out of shape.  <P>SOLUTION: The method for producing the pumpkin free from getting out of shape comprises soaking cut pumpkins in an aqueous solution containing divalent cation salt and pectinesterase at an aqueous solution temperature (5-30°C, preferably 7-25°C, more preferably 10-20°C) lower than the reaction optimum temperature of the pectinesterase.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003207782-A (JP)
Title: Vertically aligned liquid crystal display device
Inventor: IWAMOTO NOBUHISA
IPC: G02F1/13363
Filed: 2002-01-11
Abstract: <P>PROBLEM TO BE SOLVED: To provide a vertically aligned liquid crystal display device having an excellent visual angle characteristic.  <P>SOLUTION: The vertically aligned liquid crystal display device has a circular polarizer including a vertically aligned liquid crystal cell including liquid crystal molecules vertically aligned to substrate surfaces during non-impression of a voltage between a pair of the substrate and a first optical element which is arranged outside a vertically aligned liquid crystal cell 13 and formed of linear polarizing plates 11 and 15 and biaxially optically anisotropic materials 12 and 14 and exhibits retardation of a quarter wavelength within a plane and a second optical element which is arranged between the circular polarizer and the vertically aligned liquid crystal cell and between first optical elements 16 and 17 having negative optical anisotropy and between the linear polarizing plate of the circular polarizer and the quarter wave plate, exhibits, retardation of the half wavelength or quarter wavelength within a plane and has positive optical anisotropy.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003208750-A (JP)
Title: Optical disk reproducing device
Inventor: MABUCHI TAKEHIRO
IPC: G11B17/24
Filed: 2002-01-15
Abstract: <P>PROBLEM TO BE SOLVED: To provide an optical disk reproducing device capable of reliably receiving an optical disk attached to a clamper into a recess.  <P>SOLUTION: The table 120 of the optical disk reproducing device is disposed on a tray to be rotated in the clockwise direction A1 or the counterclockwise direction A2. A plurality of recessed 122 are disposed on the upper surface of the table 120 to respectively house optical disks. The recesses 122 are arranged on a circumference around the rotational center of the table 120 so that the centers thereof are at equal intervals. Projections 200 are disposed between the recesses 122 on the circumference. The upper surface 210 of each projection 200 is formed to be positioned above the bottom surface of the optical disk 300 attached to a clamper and below the bottom surface 135 of a clamper 134 during clamping-down.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003211708-A (JP)
Title: Ink-jet recording apparatus, and ink-jet recording method
Inventor: YASHIMA MASATAKA
IPC: B41J2/01
Filed: 2002-01-16
Abstract: <P>PROBLEM TO BE SOLVED: To record a preferable gradation image without gradation inversion or the like.  <P>SOLUTION: At the time of executing multi-gradation recording using a plurality of kinds of inks having different concentrations for colors of the same hue, by changing the kind of the ink and the number of ink droplets used in recording pixels, an ink distribution table for determining the combination of the kind of the ink and the number of ink droplets is produced by a distribution table preparing part 2 corresponding to the gradation value based on the relative concentration of each ink inputted from an ink concentration ratio input part 1. According to the ink distribution table, the combination to be used for recording the pixels is selected for executing a multi-value process and distributing data for each ink.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003217222-A (JP)
Title: Disk drive
Inventor: ITO MASATOSHI
IPC: G11B17/26
Filed: 2002-01-17
Abstract: <P>PROBLEM TO BE SOLVED: To immediately shift to a selection operation of a large diameter disk only by carrying out the selection operation of the large diameter disk when a small diameter disk is being clamped by a rotationally driving means in a disk drive provided with a stock part to store the large diameter disk.  <P>SOLUTION: When the small diameter disk is being clamped by the rotationally driving means and the selection of the large diameter disk stored in the stock part is requested in ST36, the small diameter disk is discharged to an insert opening in ST37, and when it is decided that the small diameter disk has been pulled out from the insert opening in ST38, the disk drive is automatically shifted to the disk selection operation in ST39.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003219398-A (JP)
Title: Disaster supervisory apparatus
Inventor: SUDO KAZUMI
IPC: G06T1/00
Filed: 2002-01-18
Abstract: <P>PROBLEM TO BE SOLVED: To provide a disaster supervisory apparatus capable of setting and supervising an optional supervisory range and preventing malfunction due to a shake of a small animal and trees and plants and a shake of a measurement apparatus itself or the like without the need for geographical data and restriction of a camera installing place.  <P>SOLUTION: A camera 1 is installed at an optional point and the camera 1 gives an image to an image processing section 2. The image processing section 2 processes the video image from the camera 1 at a time interval, stores the processed image to an image memory, in which the image is divided into local areas in a basic unit of m×n pixels. Then local correlation arithmetic operation is respectively applied to a motion vector, the direction of the motion vector is discriminated, collapse of a slope is recognized through the presence of the local area having a downward motion and an alarm apparatus raises an alarm. Further, the parallel motion of the entire image is detected to detect collapse without malfunction even when the video image of the cameras exists due to wind or vibration.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003214391-A (JP)
Title: Reversible pump
Inventor: KISHIMOTO KOICHI
IPC: F04D29/22
Filed: 2002-01-18
Abstract: <P>PROBLEM TO BE SOLVED: To provide a reversible pump capable of delivering the water sucked from one of two suction ports to one discharge port in accordance with the forward and backward operating direction of the pump.  <P>SOLUTION: A motor part 10 and a pump part 50 are integrated, a rotor 18 having a magnetic member 20 on an inner periphery of a stator 30 is rotatably mounted at the motor part 10, the rotor 18 has an impeller 23 having a blade 21 for forward rotation and a blade 22 for backward rotation, and has two suction ports 11, 13 continued from the pump part 40 and the discharge port 15 continued from the pump part 50, and the pump part 50 delivers the fluid sucked from the first suction port 11 to the discharge port 15 in the forward rotation of the impeller 23, and delivers the fluid sucked from the second suction port 13 to the discharge port 15 in the backward rotation of the impeller.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003219551-A (JP)
Title: Leakage detection apparatus
Inventor: KATSUTA TOSHIHIRO
IPC: H02H3/16
Filed: 2002-01-21
Abstract: <P>PROBLEM TO BE SOLVED: To reduce wrong leakage detection.  <P>SOLUTION: A vehicle, carrying a drive system 10 that converts DC power from a battery 12 through an inverter circuit 14 to a three-phase AC power suitable for driving a motor 18 and supplies the power to the motor 18, is provides with an oscillator 22, a detection resistance 24 connected to the rear stage of the oscillator 22, a capacitor 26 connected to a negative electrode bus-bar 16 of the inverter circuit 14 and the detection resistance 24, a low-pass filter 30 connected via a resistance 28 to a connection point P between the detecting resistance 24 and the capacitor 26, and an electronic control unit 40, that determines the occurrence of leakage in the drive system 10, based on the output of the low-pass filter 30. When a voltage level indicating the occurrence of a leak is detected at the connection point P, the electronic control unit 40 determined that a leak has occurred, when variation amount ΔVb of a voltage Vb of the battery 12 is equal to or smaller than the threshold ΔVref.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003212486-A (JP)
Title: Method for fixing pallet of load handling vehicle
Inventor: MIURA TOMOMICHI
IPC: B66F9/14
Filed: 2002-01-22
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method for fixing a pallet of a load handling vehicle with a simple structure without comprising a special pallet clamp.  <P>SOLUTION: Hydraulic cylinders 10a, 10b as slide mechanisms for horizontally movably supporting right and left forks 6a, 6b are provided to a lower part of floor surface of a driver's seat 5 in order to enlarge/reduce an interval between the right and left forks 6a, 6b. After the forks 6a, 6b are inserted into the pallet 7, an operator operates a slide operating section for enlarging/reducing the right and left cylinders 10a, 10b, and thereby, the interval between the right and left forks is enlarged and outside surfaces 60a, 60b of the respective forks 6a, 6b are respectively abutted to inside surface of a stringer 7c outside the pallet 7. By such abutting, the pallet 7 is fixed on the forks 6a, 6b.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003219575-A (JP)
Title: Power system
Inventor: MAEDA KENICHI
IPC: H01M10/44
Filed: 2002-01-23
Abstract: <P>PROBLEM TO BE SOLVED: To provide a power system for a traveling vehicle, which can secure safety, even when the control circuit does not work as normal.  <P>SOLUTION: The power system 10 is a 42 V power system, and here a lead storage battery 1, where eighteen cells of control valve type lead storage batteries are connected in series, and a lithium secondary battery 2, where twelve pieces of lithium ion secondary batteries are connected in series, are connected to each other in parallel. At braking, regeneration energy from a motor generator 3 is accepted in the lithium secondary battery 2, and at engine start, it is discharged from the lead storage battery 1 to load 4. The lead storage battery 1 and the lithium secondary battery 2 are related by (a number Na of the aqueous solution secondary batteries of the lead storage battery 1)×(a maximum voltage value A when charged one cell of the lead storage battery 1 with a current upper-limit value in use range)<(a number Nn of the lithium ion secondary batteries of the lithium secondary battery 2)×(a voltage upper limit value B in the safely usable range of one cell of the lithium secondary battery 2).  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2002344694-A (JP)
Title: Photosensor
Inventor: HOSIER PAUL A
IPC: H04N5/217
Filed: 2002-01-24
Abstract: PROBLEM TO BE SOLVED: To provide a video signal reading system where multiple video paths are multiplexed by a method for removing the fixed pattern of noise and video path offset. SOLUTION: A photosensor includes first and second video paths to which the active sensors of first and second groups are connected. The respective active photosensors of the first and second groups output signals showing optical intensity to the respective video paths. First and second correction capacitors connected to the first and second video paths hold correction charges since the active photosensors affect voltage signals outputted to the related video paths. A multiplex node receives the voltage signals from the first video path and the second video path. A final correction means performs offset correction work on a signal on the down stream of the multiplex node.
Patent JP-2003224697-A (JP)
Title: Facsimile apparatus
Inventor: TORIYAMA YOSHIAKI
IPC: H04N1/00
Filed: 2002-01-30
Abstract: <P>PROBLEM TO BE SOLVED: To provide facsimile apparatus which makes it possible to freely select a desired provider and facilitate operations regarding a contract with the provider.  <P>SOLUTION: The facsimile apparatus which can be connected to the Internet is equipped with an operation display means 7 which has a unique code as an Internet FAX code and has a function of selecting an application for a contrast with a provider in the setting mode of the facsimile apparatus and a function of displaying received data, a network control means 11 which automatically dials a specified telephone number, a modem 10 which communicates data, a printing means 6 which prints the received data, and a system control means 1 which controls the respective means.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003233529-A (JP)
Title: Memory system
Inventor: SHIODA SHIGEMASA
IPC: G06F13/38
Filed: 2002-02-07
Abstract: <P>PROBLEM TO BE SOLVED: To provide a memory system contributing to improvement in efficiency of data processing accompanied by memory access.  <P>SOLUTION: This memory system is provided with a rewritable nonvolatile memory 2, a buffer memory 5, and a controller 4. In response to an access demand from an external device, the controller controls first data transfer between the controller and the external device, second data transfer between the controller and the nonvolatile memory, and third data transfer between the controller and the buffer memory. The controller controls transfer from the controller to the buffer memory and transfer from the buffer memory to the controller in the third data transfer by time sharing control, and the first data transfer or the second data transfer can be carried out in parallel to the transfer based on the time sharing.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2002278848-A (JP)
Title: Method, apparatus, and program for cache threshold processing for predictively reporting fault of array bit line or driver
Inventor: AHRENS GEORGE
IPC: G06F12/16
Filed: 2002-02-07
Abstract: PROBLEM TO BE SOLVED: To provide a mechanism for predicting a fault of the array bit line or the driver of a cache. SOLUTION: This mechanism characterizes the fault by checking whether there are five consecutive errors at different addresses within the same syndrome in the case of calling event scanning polling. When characterizing the fault, the mechanism reports it to a system for correction and maintenance including processor constitution release or preventive processor exchange of dynamic or/and booting time.
Patent JP-2003287958-A (JP)
Title: Recovery toner classifier
Inventor: ARAI YUJI
IPC: G03G15/08
Filed: 2002-02-08
Abstract: <P>PROBLEM TO BE SOLVED: To provide a recovery toner classifier capable of efficiently removing foreign objects such as paper powder from a recovery toner recovered by a cleaner and making a heap of toners in the recovery toner into toners for recycle by exactly crushing it.  <P>SOLUTION: A recovery toner classifier 1 includes a rotatable cylindrical- shaped filter 9 and a fur brush 3 stored in the filter and rotatably driven. A screw conveyer 4 is provided on a side of an inlet of the filter 9 for the recovery toner by providing a screw blade 13 on a rotation shaft 12 of the fur brush. A brush 3a of the fur brush is radially and spirally provided on the rotation shaft 12 with proper pitch. A tip portion of the brush 3a is press-contacted with a mesh of the filter 9. The cylindrical-shaped filter and the fur brush are rotated in mutually reverse directions. The recovery toner conveyed in the filter 9 by the screw conveyer 4 is classified while being fed by the spirally provided brush 3a.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003232297-A (JP)
Title: Blower device
Inventor: OKA TAKANORI
IPC: F24F13/20
Filed: 2002-02-08
Abstract: <P>PROBLEM TO BE SOLVED: To provide a blower device having a diffuser member fittingly attachable/detachable, securing blasting performance without impairing appearance.  <P>SOLUTION: This blower device is provided with the diffuser member 7 fittingly mounted in a detachable manner to a fitting part 47 of a body of the blower device to blow off gas, and attaching/detaching operation limiting members 7a, 3c, 47 arranged between the body and the diffuser member so that the diffuser member is suspended from the bodies 3, 8 being detached from the fitted state by the movement along a first track extended along the blowoff direction of gas at the fitting part and the movement along a second track different from the first track.  <P>COPYRIGHT: (C)2003,JPO