baber/WOPTO huggingface dataset:
Patent JP-2011504677-A (JP)
IPC: H04W16/26
Filed: 2008-09-19
Abstract: The present invention provides a combining device for combining radio signals during uplink transmission in an indoor communication system. The system comprises an Ethernet switch (RRH) connected to a base station and to at least a first and second radio remote headend. The combining device comprises means for receiving at least a packet flow from the Ethernet switch, wherein the packet flow comprises packets from at least the first and second RRH, the packet comprises packet data, RRH identification and time stamp of the packets; means for separating the packets according to the RRH origin into at least first and second RRH packet, using the RRH identification; and means for matching the packets with identical time stamp between the first and the second RRH packets. The combining device also comprises means for summing the packet data of the matched packets and means for transmitting the summation of the packet data to the Ethernet switch.
Patent JP-2011504969-A (JP)
Title: 耐火合金、繊維形成板、および鉱物ウールを製造する方法
IPC: C03B37/04
Filed: 2008-11-27
Abstract: 以下の元素を含有することを特徴とする合金であって(割合は前記合金の重量の百分率で示される)、：Crが23〜34 %、Tiが0.2〜5 %、Taが0.5〜7 %、Cが0.2〜1.2 %、Niが5 %未満、Feが3 %未満、Siが1 ％未満、Mnが0.5 %未満、残部がコバルトおよび不可避不純物で構成される合金。特に繊維化スピナーによって鉱物ウールを製造するための、このような合金で作られた物品。
Patent JP-2011508246-A (JP)
Title: フォトレジスト組成物及び多層レジスト系を用いた多重露光方法
IPC: G03F7/004
Filed: 2008-12-05
Abstract: 【課題】  フォトレジスト組成物及びそれを用いたフォトリソグラフィのための方法を提供すること。 【解決手段】  方法及びレジスト組成物である。レジスト組成物は、ラクトン部分を有する反復単位を有するポリマーと、塩基を生成することが可能な熱塩基発生剤と、光感応性酸発生剤とを含む。ポリマーは、第１の溶媒に実質的に可溶性であり、かつポリマーを加熱した後は実質的に不溶性となる性質を有する。方法は、ポリマーと、塩基を放出すること可能な熱塩基発生剤と、光感応性酸発生剤と、溶媒とを含むフォトレジストの膜を形成することを含む。膜は、パターン状に像形成される。像形成は、膜を放射線に露光し、その結果として酸触媒を生成することを含む。膜を水性塩基中で現像し、その結果として塩基可溶性領域が除去され、パターン層が形成される。パターン層をある温度より高い温度でベーキングし、その結果として、熱塩基発生剤がパターン層内に塩基を放出し、かつパターン層が溶媒に不溶性となる。 【選択図】      図１
Patent JP-2011507288-A (JP)
Title: レーザ光源
IPC: H01S5/22
Filed: 2008-12-16
Abstract: レーザ光源はとりわけ、少なくとも２つの活性領域（４５）を有する活性層を備えた半導体層列（１０）と、前記半導体層列（１０）の主表面（１４）上において前記少なくとも２つの活性領域（４５）それぞれに設けられた電気的面コンタクト（３０）と、前記半導体層列（１０）の主表面（１４）に設けられた表面パターン部とを備えており、前記活性領域（１０）は動作中に、放射出力結合面（１２）として形成された前記半導体層列（１０）の側面を介して放射方向（９０）に電磁放射を放射するように形成されており、前記少なくとも２つの活性領域（４５）は前記放射方向（９０）に対して横方向に、相互に離隔して前記活性層（４０）内に配置されており、前記電気的面コンタクト（３０）はそれぞれ第１の部分領域（３１）と、幅が前記放射方向（９０）に沿って前記放射出力結合面（１２）に向かって拡大していく第２の部分領域（３２）とを含み、前記表面パターン部は前記少なくとも２つの電気的面コンタクト（３０）間に、前記放射方向（９０）に沿った少なくとも１つの第１の凹入部（６）と、第２の凹入部（７）とを有し、前記電気的面コンタクト（３０）の第１の部分領域（３１）はそれぞれ、少なくとも２つの第２の凹入部（７）間に配置されている。
Patent JP-2011508016-A (JP)
Title: マイクロコンタクトプリンティング用のインク溶液
IPC: B41J2/01
Filed: 2008-12-15
Abstract: （ａ）（ｉ）沸点が約５０℃〜約１００℃、（ｉｉ）相対極性が約０．４未満、及び（ｉｉｉ）ポリ（ジメチルシロキサン）の膨潤比が約１．２５未満である溶媒と、（ｂ）１つ以上の溶解した有機硫黄化合物とを含むインク溶液であって、各有機硫黄化合物が１０個以上の炭素原子を有する、インク溶液。この１つ以上の溶解した前記有機硫黄化合物は、少なくとも約３ｍＭの合計濃度で存在し、かつそのインク溶液は、その有機硫黄化合物の固体粒子又はその有機硫黄化合物から誘導された固体粒子を本質的に含まない。
Patent JP-2011509319-A (JP)
Title: ゴムの工業用連続分解装置
IPC: C10G1/10
Filed: 2007-12-29
Abstract: ゴムの工業用連続熱分解装置が、外側シリンダ６と、内側シリンダ７と、内側シリンダ７内のスクリュー式給送（押進）機構とを含んでいる。外側シリンダ６又は内側シリンダ７には内側シリンダ加熱用の加熱器が配置されている。内側シリンダ７には導熱板８が配置されている。これらの導熱板８は、別個のプレートでも、連続又は不連続の螺旋状帯でもよい。それらは、内側シリンダ７の内部又は内側シリンダ７の外壁に配置できる。この熱分解装置は構造が簡単で、熱効率の改善、エネルギーの節減、稼働費の低減を可能にする。
Patent JP-2011511103-A (JP)
Title: 殺菌性アルコール可溶性第四級アンモニウムポリマー
IPC: C08K5/053
Filed: 2009-01-08
Abstract: 【課題】  アルコール若しくはグリコール可溶性、水不溶性殺菌剤組成物ならびに皮膚を含む様々な表面を殺菌するため、および永続的抗菌特性を提供するために同一物を使用する方法。   【解決手段】  本組成物は、（１）少なくとも１つのグリコールまたは少なくとも１つのグリコールとアルコールとの混合物、および（２）金属若しくは金属含有化合物を使用せずに表面へ抗菌特性を付与することのできる抗菌ポリマーを含む。本組成物は、表面に塗布され、前記基質上に抗菌ポリマーのコーティングを残して蒸発させられる。または、本組成物は、前記基質中若しくは内側に組み込まれる。   【選択図】      なし
Patent JP-2011511679-A (JP)
Title: インピーダンス測定値の分析
IPC: A61B5/05
Filed: 2009-02-12
Abstract: 被験者に対して実行されたインピーダンス測定の分析で使用する方法であって、本方法は、処理システムにおいて、被験者の少なくとも１つの脚体節のインピーダンスを示す少なくとも１つのインピーダンス値を求めるステップと、少なくとも１つの脚体節での細胞外液レベルを示し静脈不全の評価に使用される指標を、少なくとも１つのインピーダンス値を使用して求めるステップと、を含む。
Patent JP-2011513695-A (JP)
Title: 予混合燃焼器の駆動方法と当該方法を実行するための予混合燃焼器
IPC: F23R3/12
Filed: 2008-11-03
Abstract: 開示されているのは、多段式パイロットガスシステム（８）を有する、気体状燃料用予混合燃焼器の駆動方法であって、当該パイロットガスシステムの拡散燃料は、少なくとも２つの部分流（２６，２８）として異なる方向で予混合燃焼器の燃焼室（４）に噴入される駆動方法と、当該方法を実行するための予混合燃焼器と、である。
Patent JP-2011517880-A (JP)
Title: 無線通信システムのための分散型ａｒｑ
IPC: H04L1/16
Filed: 2009-03-13
Abstract: 無線通信システムにおいて分散型自動再送要求（ＡＲＱ）を供給するシステムと方法が本明細書中に説明されている。ある実施形態において、中継局は前記無線通信システムの基地局および１つ以上の移動局と相互連結する。第１のＡＲＱプロセスは、前記基地局と前記中継局との間の第１の接続のために行われる。個別の第２のＡＲＱプロセスが、前記中継局と前記移動局との間の第２の接続のために行われる。このようにして、前記基地局と前記移動局の間にエンド・ツー・エンドＡＲＱを持つ代わりに、分散型ＡＲＱが具備される。 【選択図】図３
Patent JP-2012139450-A (JP)
Title: Golf club head
Inventor: IWADE HIROMASA
IPC: A63B102/32
Filed: 2011-01-05
Abstract: PROBLEM TO BE SOLVED: To provide a golf club head minimizing deterioration in carry even when a hitting point is shifted toward the vicinity of the upper part of the toe side, the lower part of the heel side or the toe side, or the upper part of the heel side.SOLUTION: The golf club head 1 has a hollow shell structure having a face portion 2, a sole portion 3, a back portion 4, a crown portion 5, a toe side portion 6, a heel side portion 7, and a hosel portion 8. A groove 10 is provided from the upper rear part of the toe side portion 6 to the lower rear part of the heel side portion 7 through the back portion 4, and a groove 10A is provided to be oppositely inclined to the groove. Any of the grooves 10 and 10A is mounted with a weight body 11. Elongated holes 11a are provided at both longitudinal ends of the weight body 11 to removably fix the weight body 11, and a bolt 12 is inserted through the elongated hole 11a and threaded into the female threaded hole 13.
Patent JP-2012141242-A (JP)
Title: Electronic cassette for radiograph
Inventor: YAGI KEITA
IPC: A61B6/00
Filed: 2011-01-05
Abstract: PROBLEM TO BE SOLVED: To provide an electronic cassette for radiograph that hardly causes temperature unevenness within a detection surface of a detection unit which is caused by heat transmitted from a transmission plate of a housing even when an ISS (Irradiation Side Sampling) method is employed.SOLUTION: The electronic cassette is a cassette for detecting an image having a half-cut size (383.5 mm×459.5 mm), and a planar shape of a transmission plate 27 is rectangular. The transmission plate 27 is constructed by two kinds of a high thermal conductivity layer 81 and a low thermal conductivity layer 82, and the high thermal conductivity layer 81 is arranged on an upper layer. The high thermal conductivity layer 81 has anisotropy so that thermal conductivity within a rectangular surface is higher in a longitudinal direction than in a lateral direction. Heat is easily diffused within the surface of the transmission plate 27 by arranging the high thermal conductivity layer 81 on the upper layer and the low thermal conductivity layer 82 on a lower layer. Further, a heat diffusion area within the rectangular surface can be used effectively by providing a difference of the heat conductivity between in the longitudinal direction and in the lateral direction.
Patent JP-2012140571-A (JP)
Title: Tableware detergent composition for use in hand-wash
Inventor: WATANABE YOSHIYUKI
IPC: C11D1/04
Filed: 2011-01-06
Abstract: PROBLEM TO BE SOLVED: To provide such a tableware detergent for use in hand-wash as offers, on washing, rich foaming and foam durability, and, on rinsing, instant foam disappearance and as finishes the rinse in a small amount of water and is improved in preservation stability at low temperatures.SOLUTION: This tableware detergent composition for use in hand-wash includes (a) 1-50 mass% of an anionic surfactant having a 5-22C hydrocarbyl group and a sulfate ester group or a sulfonic acid group, (b) 0.1-20 mass% of a 10-22C fatty acid or a salt thereof, (c) a magnesium-containing inorganic compound, (d) a polyalkylene glycol alkyl ether, and water, and has a mass ratio of (b)/(d) of 0.01-0.2.
Patent JP-2011152536-A (JP)
Title: Mixing device and method for production of poly(methyl methacrylate) bone-cement pastes
Inventor: VOGT SEBASTIAN
IPC: B01F27/906
Filed: 2011-01-07
Abstract: <P>PROBLEM TO BE SOLVED: To provide a device with which it is possible to produce poly(methyl methacrylate) bone-cement paste, which is degassed to the greatest possible extent while avoiding large-volume mixing containers and large cement volumes contained therein.  <P>SOLUTION: The device comprises a tubular hollow body (10) having a first opening (30) on the input side and a second opening (20) on the output side, at least one rotatably-mounted shaft (40) arranged in the axial direction in the tubular hollow body (10), thread turns (50) arranged axially along the outer side of the shaft (40), wherein the shaft (40) has at least one section with thread turns (50) whose pitch decreases in the direction of the second opening (20), at least one stirring blade (60) arranged on the shaft (40), and rigid mixing elements (70) arranged on the inner side of the tubular hollow body (10).  <P>COPYRIGHT: (C)2011,JPO&INPIT
Patent JP-2012145181-A (JP)
Title: Thrust washer and bearing
Inventor: UENO TAKASHI
IPC: F16C17/08
Filed: 2011-01-13
Abstract: PROBLEM TO BE SOLVED: To provide a thrust washer that can stably be assembled into an inner ring of a bearing by using a simple assembling device without using a pressure-insertion device, and can stably prevent the wear of an inner ring end face or the like in terms of rigidity for a long period of time, and a bearing using such a thrust washer.SOLUTION: The thrust washer which is attached to the inner ring 21 of the rolling bearing, and prevents the wear of one axial end face 21b of the inner ring 21 and an end face of a mating member which opposes the axial end face 21b comprises; a disk-shaped body 30a which faces one axial end face 21b of the inner ring 21; and a rectangular cylindrical collar 30b which is protrusively formed at the external peripheral edge of the disk-shaped body 30a, and externally covers one axial end of the inner ring 21. At the collar 30b, there is formed a hanging part 32 which is protruded to the inside diameter side from the inside diameter face, and hung to a circumferential groove 50 formed at the outer diameter surface 25a of the inner ring 21. The collar 30b is divided by a notch 40.
Patent JP-2012148355-A (JP)
Title: Method and apparatus for measuring knife gap of shearing machine
Inventor: KUBOYAMA KIYOSHI
IPC: B23D15/08
Filed: 2011-01-17
Abstract: PROBLEM TO BE SOLVED: To provide a method of measuring a knife gap of a shearing machine safely with high precision without entering a dangerous zone.SOLUTION: A measuring jig 11 has a reference surface 12a which can be brought into contact with inside surfaces 4a, 3a of a fixed blade 4 or a movable blade 3. The measuring jig 11 is detachably attached to the inside surfaces 4a, 3a of the fixed blade 4 or the movable blade 3 so as to expose a part of the reference surface 12a of the measuring jig 11 from the fixed blade 4 or the movable blade 3. A sensor 18 arranged in a direction orthogonal to a part of the reference surface 12a of the measuring jig 11 measures the distance (a) to the reference surface 12a of the measuring jig 11. A knife gap g is calculated on the basis of the distance (a) to the reference surface 12a of the measuring jig 11 measured by the sensor 18.
Patent JP-2012150287-A (JP)
Title: Encryption system, decryption method, key updating method, key generating device, receiving device, proxy computing device, and program
Inventor: MUTO KENICHIRO
IPC: G09C1/00
Filed: 2011-01-19
Abstract: PROBLEM TO BE SOLVED: To provide an encryption technique capable of reissuing and updating a decryption key without changing a public key even if it is an encryption system generating a secret key based on disclosed information such as attribute information.SOLUTION: The encryption system according to the present invention comprises at least a receiving device and a proxy computing device. The encryption system is configured by assembling a "method for generating a plurality of decryption keys (a receiving secrete key K, a secrete key Kfor proxy computing) from a secrete key K" with a "method for allowing an external device (the proxy computing device) to safely deputize a resource of a part of an arithmetic function with a key".
Patent JP-2012149185-A (JP)
Title: Polyalkylene amine-alkylene oxide copolymer
Inventor: MICHITAKA DAISUKE
IPC: C11D3/37
Filed: 2011-01-20
Abstract: PROBLEM TO BE SOLVED: To provide a polymer that has a thickening effect of a liquid agent of a liquid detergent or the like, and to provide a method of manufacturing the same.SOLUTION: The polyalkylene amine-alkylene oxide based copolymer is characterized as follows. The polyalkylene amine-alkylene oxide based copolymer contains an alkylene amine structural unit that has a polyalkylene oxide chain, and a portion or all of a terminal group of the polyalkylene oxide chain that the polyalkylene amine-alkylene oxide based copolymer has are groups shown by following formulas (1a) and (1b). (1a) -CHCH(OH)CH-O-R. (1b) -CH(CHOH)CH-O-R. In the formulas, Rdenotes a 9C-30C alkyl group, a 9C-30C alkenyl group or a 9C-30C aryl group.
Patent JP-2012148738-A (JP)
Title: Driving wheel structure of saddled vehicle
Inventor: NAGAI RYUICHI
IPC: B62M9/00
Filed: 2011-01-21
Abstract: PROBLEM TO BE SOLVED: To provide a driving wheel structure of a saddled vehicle that can suppress emission of the noise amplified in a damper room to the external as much as possible while suppressing the production cost.SOLUTION: The driving wheel structure includes: a drive sprocket 22 of a power unit 20; a driven sprocket 23 of a driving wheel WR; a drive chain 24 that is rolled between the drive sprocket 22 and the driven sprocket 23; a driven flange 60 that is locked by bolt to the driven sprocket 23 and has a pawl 62 extending to the vehicle width direction; and a damper member 54 that is pushed by the pawl 62. The driving wheel WR has a wall 56 extending to the vehicle width direction, and a damper chamber 55 that is divided by the wall 56 and accommodates the damper member 54. A flange cover 70 made of resin or rubber with which a clearance S between the outer peripheral edge of the driven flange 60 and the end of the wall 56 driving wheel WR is covered from the outside of the radial direction of the driving wheel WR is installed to the driving wheel WR or the driven flange 60.
Patent JP-2012154026-A (JP)
Title: Wall surface body
Inventor: AMETANI HIROSHI
IPC: A47B96/02
Filed: 2011-01-21
Abstract: PROBLEM TO BE SOLVED: To provide a wall surface body which has a shelf that is easily attached/detached and is not removed even if a force is applied from the lower part when it is installed.SOLUTION: A wall surface body is provided with a wall surface main body 1, a cross member 2 and a shelf 3, and the cross member 2 projects on the front side of the wall surface main body 1, and the shelf 3 has an engaging part 4, an upper contact part 5, a mounting auxiliary member 6 and fixing means 7. The engaging part 4 is to engage with an engaged part 8 installed in the cross member 2, and the upper contact part 5 is located at the underside of the front side of the engaging part 4 in the shelf 3 and is in contact with the top face of the cross member 2. The mounting auxiliary member 6 is installed at the underside of the front side of the upper contact part 5 in the shelf 3 and has a lower contact part 9 to be in contact with the underside of the cross member 2. The fixing means 7 fixes the mounting auxiliary member 6, holding the cross member 2 between the upper contact part 5 and the lower contact part 9.
Patent JP-2012152288-A (JP)
Title: Blood purification device
Inventor: NIISATO TORU
IPC: A61M1/14
Filed: 2011-01-24
Abstract: PROBLEM TO BE SOLVED: To provide a hemodialysis apparatus for providing information for correctly and easily determining dry weight.SOLUTION: The hemodialysis apparatus 1 includes: a pressure measuring device 12 for measuring a pressure inside a blood circuit 10; a blood pressure elevation degree calculating part 61 for calculating a blood elevation rate before and after blood return processing on the basis of a pressure inside the blood circuit 10 before and after the blood return processing measured by the pressure measuring device 12; and a blood pressure elevation degree display part 62 for displaying the blood pressure elevation rate calculated by the blood pressure elevation degree calculating part 61.
Patent JP-2011139485-A (JP)
Title: Method and system for processing data for transmission in multi-channel communication system using selective channel transmission
Inventor: WALTON JAY R
IPC: H04J11/00
Filed: 2011-01-27
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method and system for processing data for transmission in a multi-channel communication system using selective channel transmission.  <P>SOLUTION: Transmission channels are selected for use for data transmission and data are processed and transmitted over the selected transmission channel. Transmission channels available for use are segregated into one or more groups, with each group including any number of channels. With selective channel transmission, only "good" channels in each group are selected (e.g., based on the channels' received SNRs and an SNR threshold), "bad" channels are not used, and the total available transmit power for the group is (e.g., uniformly) distributed across only the good channels. Each group can also be associated with a respective coding and modulation scheme, and data for each group can be coded and modulated based on the scheme selected for the group.  <P>COPYRIGHT: (C)2011,JPO&INPIT
Patent JP-2012154889-A (JP)
Title: Alignment apparatus, defect detection device and alignment method
Inventor: NAGAHASHI TOSHINORI
IPC: G01B21/20
Filed: 2011-01-28
Abstract: PROBLEM TO BE SOLVED: To provide an alignment apparatus which easily and promptly implements alignment of design data and measurement data, a defect detection device and an alignment method.SOLUTION: A defect detection device includes a design data acquisition means 141 which acquires CAD data from a storage unit 13, a measurement data acquisition means 142 which acquires measurement data from a three-dimensional measurement device 2, a first alignment means 143 which performs rough alignment, a divided region acquisition means 151 which acquires a plurality of divided regions from the measurement data, a first measurement plane calculation means 152 which calculates a first measurement plane by acquiring first measuring points from the divided regions, a remaining measuring point acquisition means 153 which acquires remaining measuring points, a second measuring point acquisition means 154 which extracts second measuring points from the remaining measuring points, a second measurement plane calculation means 155 which calculates a second measurement plane on the basis of the second measuring points, a feature point calculation means 156 which calculates feature points, and an alignment means 157 which implements alignment of the CAD data and the measurement data.
Patent JP-2012154479-A (JP)
Title: Joint
Inventor: ABE YOJI
IPC: F16L41/02
Filed: 2011-01-28
Abstract: PROBLEM TO BE SOLVED: To provide a joint which is easily adaptable bending of a pipe to be connected or obstacles and facilitates pipe connection work.SOLUTION: The joint 23 includes a pair of connection pipe parts 23a connected to water supply pipes 22, and an attaching pipe part 23b branched in a direction orthogonal to the connection pipe parts 23a. The attaching pipe part 23b is divided into a detent pipe part 28 having a detent part 25 and a rotatable pipe part 29 rotatably connected to the detent pipe part 28 by a fastener 30 and integrally formed in the connection pipe part 23a. The fastener 30 includes a holding hole 30a. A flange 28a disposed at the end of the detent pipe part 28 and a flange 29a disposed at the end of the rotatable pipe part 29 are inserted into the holding hole 30a while both flanges abut on each other, so that both flanges are connected together.
Patent JP-2012159008-A (JP)
Title: Machining hole structure of metal member, and refrigerating cycle device formed by using the machining hole structure
Inventor: MATSUZAKI AKIRA
IPC: F04C29/00
Filed: 2011-01-31
Abstract: PROBLEM TO BE SOLVED: To provide a refrigerating cycle device having an intermediate partition plate formed by using a machining hole structure of a metal member, according to which boring, in particular, simple piercing for enabling communication without occurrence of any unnecessary associated part can be performed.SOLUTION: The refrigerating cycle device includes a compressor for compressing a refrigerant by two stages of a rotary compression element 32 and a rotary compression element 34, the intermediate partition plate 36 held between the rotary compression elements 32, 34, and an oil separator connected to the refrigerant discharge pipe of the compressor, and uses carbon dioxide as the refrigerant. The intermediate partition 36 has an annular thin-walled flat shape in which a through-hole 1A where a rotary shaft 16 for rotating the rotary compression elements 32, 34 penetrates is formed on the center part side. A suction port 2A opened in the inner circumferential surface 2 of the through-hole 1A and a discharge port 3A opened on an upper surface 3 facing the second rotary compression element 34 are communicated with each other via a communication passage 4 of the small diameter which is diagonally bored in the thickness direction of a body of the intermediate partition plate 36.
Patent JP-2012158306-A (JP)
Title: Vehicle controller
Inventor: HAYAMIZU TOSHIBUMI
IPC: F02D29/00
Filed: 2011-02-02
Abstract: PROBLEM TO BE SOLVED: To perform a both depression rotation matching operation (an operation for matching an engine rotational speed by depressing an accelerator pedal while depressing a brake pedal) in a vehicle for performing output limiting control in which an engine output is limited when both the accelerator pedal and the brake pedal are depressed.SOLUTION: When determining that both the accelerator pedal and the brake pedal are depressed based on output signals of an accelerator sensor 31 and a brake switch 32, a vehicle controller performs the output limiting control unless variation ΔNe of the engine rotational speed (a difference between a current value and a previous value, for example) exceeds a predetermined determination threshold in a predetermined period after both the accelerator pedal and the brake pedal are depressed, determines that the both depression rotation matching operation such as heel and toe and double clutch is performed because the rotational speed of the engine increases in a no-load state if the variation ΔNe of the engine rotational speed reaches the predetermined determination threshold or higher in the predetermined period, and inhibits or limits the output limiting control.
Patent JP-2012163782-A (JP)
Title: Optical scanner and image forming apparatus
Inventor: SERIZAWA KEIICHI
IPC: B41J2/44
Filed: 2011-02-07
Abstract: PROBLEM TO BE SOLVED: To provide an optical scanner and an image forming apparatus that can reuse optical system components and suppress increases in component management cost and manufacturing cost.SOLUTION: An intermediate member 120 as a holding member for holding a collimator lens 52 has a cylindrical shape and is provided with three housing adhesion portions 121 projecting from an outer periphery at regular intervals on an outer peripheral surface. The intermediate member 120 includes two lens mounting portions as optical system component mounting portions on which the collimator lenses 52 having different outer diameter dimensions are mounted in an optical axis direction. An inner diameter of a first lens mounting portion 124 arranged on a side where the housing adhesion portions 121 are provided is smaller than that of a second lens mounting portion 125. The collimator lens 52 is adhered and fixed to the first lens mounting portion 124 or the second lens mounting portion 125 by an adhesive 122.