baber/WOPTO huggingface dataset:
Patent JP-2008512694-A (JP)
Title: 単芯光ファイバーケーブルを用いる双方向光トランシーバーモジュール
IPC: H01L31/0232
Filed: 2005-05-28
Abstract: 【課題】単芯光ファイバーケーブルを使用し、モジュールで構成された発光デバイス、受光デバイス、フィルターとレンズで形成された、双方向光トランシーバーモジュールを提供する。 【解決手段】本発明は光ファイバーケーブルを使用した光トランシーバーモジュールに関連していて、詳細には二つの異なる波長光を使用した単芯ファイバーケーブルによる光トランシーバーモジュールが双方向送信を変換することに関連している。光モジュールはモジュールで構成された発光デバイス２０４・・・、受光デバイス２０５・・・、フィルター２０１・・・とレンズで形成され、そして光アライメントはそれらを接続することによって完成する。精密なアライメントを作るためには、発光デバイスを含む送信モジュール２２３と受光デバイスを含む受信モジュール２２４が、機械加工により精密にモールドされたガイド溝とガイドピンによって、レンズモジュール２２１に接続されることが必要である。 【選択図】          図２
Patent JP-2007537902-A (JP)
IPC: B31B3/28
Filed: 2005-05-17
Abstract: A food-safe container (2) for liquids is composed of a tubular body (3) referable to a longitudinal axis (2a), and a neck (7) presenting a quadrangular base (16) fastened coaxially to an open top end (5) of the tubular body (3) afforded by a frustopyramidal connecting portion (6) of which the four tapered corner edges are pinched initially and left with four relative fins (22); the container (2) is formed by a machine (1) equipped with a folding and sealing or welding unit (24) including twin pairs of arms (26) by which the single fins (22) are folded flat against corresponding side walls (6a, 6b, 6c, 6d) of the connecting portion (6), and a pair of heat-sealers or ultrasonic welders (29) operating in conjunction with the arms (26), by which the fins (22) flattened against the respective side walls (6a, 6b, 6c, 6d) are secured in place.
Patent JP-2007538252-A (JP)
Title: 生体検知において信号対バックグランド比を向上する磁気的な回転
IPC: G01N27/72
Filed: 2005-05-13
Abstract: 本発明は、磁性ナノ粒子（１１）が表面に付着している間に磁界を加えるとともに磁性ナノ粒子の回転又は運動の自由度に関連する物理的なパラメータを検出することによって、少なくとも一つの磁性ナノ粒子（１１）と他の物体の表面との間において特定結合を非特定の結合と区別する方法及び装置（１０）を提供する。方法及び装置（１０）を、生体内又は生体外生体分子診断に適用することができる。本発明によるセンサは、一つのセンサ（１０）において、磁性粒子又はラベル（１１）の検出と、他の物体の表面に結合した磁性粒子又はラベル（１１）の結合の性質及び特性の決定とを組み合わせる。
Patent JP-2008504457-A (JP)
IPC: D01F2/28
Filed: 2005-04-26
Abstract: In the manufacture of a fiber tow, particularly cellulose acetate tow, a stuffer box crimper has a steam injector in communication with the stuffer channel of the crimper. The steam injector consists of a single pair of injectors vertically aligned with one another above and below the stuffer channel of the crimper.
Patent JP-2008505187-A (JP)
Title: 陽イオン変性デンプン及び陰イオン性界面活性剤系を含むパーソナルケア組成物
IPC: C11D3/37
Filed: 2005-07-01
Abstract: パーソナルケア組成物であって、（ａ）分子量が１，０００〜２００，０００、電荷密度が０．７ｍｅｑ／ｇ〜７ｍｅｑ／ｇの水溶性陽イオン変性デンプンポリマーを０．０１重量％〜１０重量％、（ｂ）１つ以上の陰イオン性界面活性剤を含んでいるとともに、（ｉ）エトキシル化レベルが１〜６、及び（ｉｉ）陰イオン化レベルが１〜６である陰イオン性界面活性剤系を５重量％〜５０重量％、並びに（ｃ）化粧品に許容可能な媒質を含むパーソナルケア組成物。前記パーソナルケア組成物は、更に１つ以上の油性コンディショニング剤を約０．０１重量％〜約１０重量％含んでいる。毛髪又は皮膚を処理する方法は、前記パーソナルケア組成物を毛髪又は皮膚に適用する工程、及び毛髪又は皮膚をすすぐ工程から構成されている。
Patent JP-2008515051-A (JP)
Title: 依存性チェーン処理のためのシステム、方法及び装置
IPC: G06F9/45
Filed: 2005-09-12
Abstract: 本発明の実施例は、依存性チェーンを低減された幅の依存性チェーンのセットに分割し、１以上のクラスタの命令発行幅が依存性チェーンのサイズを収容するよう構成される１以上の依存性チェーンを１以上のクラスタリングされた依存性チェーンプロセッサにマッピングし、及び／又はトレースの複数の依存性チェーンをパラレルに処理することを有する方法、装置及びシステムを提供する。他の実施例が記載及び主張される。
Patent JP-2008514857-A (JP)
Title: 内燃機関の作動方法
IPC: F02D45/00
Filed: 2005-08-18
Abstract: 本発明は、燃料が少なくとも２つの部分噴射で内燃機関（１）のシリンダ（３）の燃焼室（４）内へ噴射され、内燃機関（１）によって出力される実際値トルクが内燃機関（１）の作動特性量から求められ、前記実際値トルクは許容トルクと比較され、前記実際値トルクが許容トルクと所定の関係にある場合にエラーリアクションが開始される、内燃機関の作動方法に関している。本発明によれば実際値トルクの算出の際にそのつどの部分噴射のトルク効率（ｅｔａ＿Ｍ）の考慮が行われ、それによって実際値トルクのより正確な監視が可能となる。
Patent JP-2008517496-A (JP)
IPC: H03K17/94
Filed: 2005-10-04
Abstract: A signal transmission system is used to drive at least one power semiconductor switch (S<SUB>1</SUB>, S<SUB>2</SUB>, . . . , S<SUB>n</SUB>) from a controller ( 11 ). The controller ( 11 ) can transmit at least one control signal to at least one modulator (M<SUB>1</SUB>, M<SUB>2</SUB>, . . . , M<SUB>n</SUB>) using at least one first transmission path ( 3 ). Each power semiconductor switch (S<SUB>1</SUB>, S<SUB>2</SUB>, . . . , S<SUB>n</SUB>) is connected to a respective control electrode driver stage (G<SUB>1</SUB>, G<SUB>2</SUB>, . . . , G<SUB>n</SUB>) and the at least one modulator (M<SUB>1</SUB>, M<SUB>2</SUB>, . . . , M<SUB>n</SUB>) can transmit at least one drive signal to each of the control electrode driver stages (G<SUB>1</SUB>, G<SUB>2</SUB>, . . . , G<SUB>n</SUB>) using a respective second transmission path ( 4 ). At least one control signal and/or a drive signal can be transmitted using electromagnetic radiation and the associated transmission path ( 3, 4 ) is wireless.
Patent JP-2008516828-A (JP)
IPC: B60S1/38
Filed: 2005-09-28
Abstract: A wiper blade (10) comprising a wiper strip (24) that is provided with a folding wedge (38) and a wiper strip back (34) that are connected to each other via a tilting web (36). It is proposed that additional webs (42) be arranged lateral to the tilting web (36).
Patent JP-2008518551-A (JP)
Title: 接続回路を含む携帯電子機器及びその携帯電子機器を動作させる方法
IPC: H04W28/18
Filed: 2005-04-29
Abstract: 本発明は、パケット・データ・セッションを要求するように構成された送信機を含む携帯電子機器を提供する。また、本発明は、要求されたパケット・データ・セッションについての情報を収集し、収集された情報に基づいて携帯電子機器をネットワークに接続するための携帯電子機器のデフォルト・パラメータを決定する接続回路を提供する。さらに、携帯電子機器を動作させる関連手法についても説明する。
Patent JP-2008528080-A (JP)
Title: 繊維強化マグネシウム又は繊維強化マグネシウム合金から作製された吸収可能な医療用インプラント
IPC: A61F2/07
Filed: 2006-01-18
Abstract: 本発明は、マグネシウムを含有する生物腐食性合金、Ｍｇ、Ｃａ、ＦｅまたはＹを包含する群のうちから選択される主要成分を含有する別の生物腐食性合金、又は非生分解性の繊維材料から作製され、結晶質マグネシウム或いはマグネシウム合金から作製されたマトリックスの中に埋め込まれた強化繊維から構成される複合材料を含む医療用インプラントに関するものである。
Patent JP-2008528417-A (JP)
Title: 圧力−温度安定性を有する水素および炭化水素を含む混合物
IPC: C01B3/00
Filed: 2006-01-19
Abstract: 本発明は、燃料としてともに使用することができる水素および炭化水素の混合物を用いる水素貯蔵方法に関連する。１つの実施形態において、本発明の方法は、水素および炭化水素を含む混合物を、周囲圧力、および、約１０Ｋを超える温度において固体状態で維持することを伴う。
Patent JP-2008528621-A (JP)
Title: 腎細胞ガンを処置するための方法
IPC: A61P35/04
Filed: 2006-01-27
Abstract: 低用量のＩＬ−２を使用して腎細胞ガンを処置するための方法が開示される。具体的には、本発明は、腎臓が正常に機能していない、および／または高用量のＩＬ−２療法に寛容ではない患者の転移性腎細胞ガンを処置する方法に関する。本明細書中で開示される治療レジュメによっては、腫瘍の増殖が有意に阻害され、高用量のＩＬ−２療法と比較すると毒性が低く有害な副作用も少ない。１つの実施形態においては、この方法は、ａ）１日に１〜５２ＭＩＵのＩＬ−２の用量を、１日に１〜３回の投与で、１週間のうちに３〜６日間、１〜２４週間繰り返して投与する工程；およびｂ）１〜４週間、ＩＬ−２を投与しない工程を含む。
Patent JP-2008133290-A (JP)
Title: Use of erythropoietin preparation and iron preparation for producing pharmaceutical combination preparation for treating rheumatic disease
Inventor: LEHMANN PAUL
IPC: A61K38/18
Filed: 2008-01-07
Abstract: <P>PROBLEM TO BE SOLVED: To provide a unified and generally permissible therapeutic method for chronic rheumatic disease, independent from factors such as age of a patient, overall situations and degree and progress of inflammatory activity (intensity of pain and level of physical disability) because no pharmaceutical preparation having satisfiable activity useful for treating chronic rheumatic disease is found.  <P>SOLUTION: Single forms of administration of an erythropoietin preparation and of a physiologically suitable iron preparation corresponding to an equivalent quantity of 1-40 mg of iron ions are combinedly used to produce a pharmaceutical combination preparation for treating rheumatic diseases.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2009162651-A (JP)
Title: Method and device for measuring frequency shift amount of fm signal
Inventor: SHIMOHANE TOSHIAKI
IPC: G01R29/06
Filed: 2008-01-08
Abstract: <P>PROBLEM TO BE SOLVED: To accurately obtain a frequency shift amount of FM signals in which a modulation frequency of a measuring object exceeds 1 GHz in a simple configuration making a reference FM demodulator.  <P>SOLUTION: A method for measuring the frequency shift amount of the FM signals includes: a first step of measuring electric power P<SB>0</SB>of a carrier wave frequency fc, electric power P<SB>+1</SB>of an upper side first side band frequency (fc+fm) and electric power P<SB>-1</SB>of a lower side first side band frequency (fc-fm) by inputting information of the carrier wave frequency fc and the modulation frequency fm of the FM signals; and a second step of measuring a frequency shift amount Δfm by a calculation equation of Δfm=β<SB>2</SB>×fm=(√P<SB>+1</SB>+√P<SB>-1</SB>)/√P<SB>0</SB>×fm further by calculating an effective FM modulation index β<SB>2</SB>from electric power levels of each frequency measured in the first step by a calculation equation of β<SB>2</SB>=(√P<SB>+1</SB>+√P<SB>-1</SB>)/√P<SB>0</SB>.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009163108-A (JP)
Title: Multi-step bending system connector
Inventor: HIOKI KOSUKE
IPC: G02B6/38
Filed: 2008-01-09
Abstract: <P>PROBLEM TO BE SOLVED: To provide a multi-step bending system connector with which a direction of a boot is adjusted in a short time by one-touch and increase in transmission loss is suppressed by making an optical fiber bendable so as to have a sufficient bending radius.  <P>SOLUTION: The multi-step bending system connector includes a ferrule 2 which fixes an optical fiber core wire (a) of an optical cable P by insertion and further holds a flange 21 at its back end by forcible feeding, a stop ring 5 which supports a back end of a spring 4 for always pressing the ferrule 2 forward by coming into contact with the back end of the flange 21, a plug frame 3 which respectively covers these members, a caulking seat 6 which fixes a Kevlar P1 of the optical cable P to the stop ring 5, a caulking ring 7 which fixes a sheath P2 of the optical cable P to the caulking seat 6 and the boot 8 which is attached to the stop ring 5 via a bendable means 10. The bendable means 10 is formed so that the direction of the boot 8 is bent to a horizontal direction at two or more stages.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009171666-A (JP)
Title: Power unit for vehicle
Inventor: ARITOME KOJI
IPC: G01R31/36
Filed: 2008-01-11
Abstract: <P>PROBLEM TO BE SOLVED: To provide a power unit for vehicle where the offset correction of a current sensor on a route of charging and discharging an electricity accumulating unit is performed properly.  <P>SOLUTION: The power unit for vehicle includes a battery B, which is so constituted as to be chargeable from outside a vehicle, current sensors 11, 24 and 25, which are provided in the charge/discharge path to the battery B, and a controller 30, which controls the charge and discharge to the battery B, based on the output of current sensors 11, 24 and 25. The controller 30 includes a memory 32 which stores a first correction that is used to correct the output of the current sensor 11 when performing charge to the battery B from outside the vehicle and a second correction that is used to correct the output of the current sensor 11 when running the vehicle, using the power of the battery B.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009169002-A (JP)
Title: Image forming apparatus
Inventor: MORIMOTO RYOTA
IPC: H04N1/23
Filed: 2008-01-15
Abstract: <P>PROBLEM TO BE SOLVED: To provide an image forming apparatus for suitably determining a service life of a photoreceptor with high accuracy.  <P>SOLUTION: A digital copying machine 1 divides image signals for a page unit into a plurality of main scanning direction divided regions SP1 to SPn and sub scanning direction divided regions HP1 to HPm, calculates accumulated value for image signal quantity in respective divided regions which are divided into respective main scanning direction divided regions SP1 to SPn and sub scanning direction divided regions HP1 to HPm and determines the service life of the photoreceptor belt 34 based on the accumulated value. Therefore, the service life of the photoreceptor belt 34 due to a partial deterioration can be determined with high accuracy.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009171132-A (JP)
Title: Data repeater, data repeating method, and data repeating program
Inventor: MIZUNO SHINTARO
IPC: H04L12/70
Filed: 2008-01-15
Abstract: <P>PROBLEM TO BE SOLVED: To perform communications by reliably preventing the superimposition of a virtual address when virtually connecting LANs for one's home.  <P>SOLUTION: An HGW (A) includes a virtual address information DB for storing virtual address information in association with the origination side and incoming side of call connection when a telephone set (A) is connected by call to the telephone set (B) of the LAN (B) for one's home through the use of a VOIP. When call connection is performed between the telephone set (A) and the telephone set (B), the virtual address information is acquired from the virtual address information DB, based on whether the origination side or the incoming side of the call connection. Then, the virtual address to be used in a network is determined based on the acquired virtual address information. Thus, the connection is attained by a virtual communication path with the LAN (B) for one's home with session established therein through the use of the determined virtual address, thereby communicably performing control.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2008304894-A (JP)
Title: Backlight module equipped with lamp reflector, and method of manufacturing lamp reflector
Inventor: CHOU WAN-SHUN
IPC: G02F1/13357
Filed: 2008-01-17
Abstract: <P>PROBLEM TO BE SOLVED: To provide a lamp reflector having a low reflecting region, and a method of manufacturing the lamp reflector.  <P>SOLUTION: The lamp reflector 34 comprises a substrate 342 and a reflecting layer 344 arranged on the substrate 342. The reflecting layer 344 comprises an edge part 3422 and a region including the edge part 3422. The region is irradiated with laser to bring low light reflectivity to the region. A light guide plate 32 has a side edge 322 and a surface 324. The lamp reflector 34 covers the side edge 322 to direct the reflecting layer 344 to the side edge 322, and the region is generally in close contact with the surface. A light source is arranged between the reflecting layer 344 and the side edge 322.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009045056-A (JP)
Title: Method for washing column, and method for extracting membrane-bound target molecule
Inventor: DAF DAVID
IPC: C12N15/09
Filed: 2008-01-17
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method for washing a column especially in association with the application of a vacuum protocol corresponding to automation so as to exclude the remaining of an organic cleaning liquid and/or impurities, and to provide a method for extracting a membrane-bound target molecule, including the washing method.  <P>SOLUTION: The method for washing the column includes: using a washing liquid, such as an eluting buffer, water, or even any expected buffer, between the traditional washing step and the eluting step as to effectively remove the impurities and/or residual washing liquid in the column from the previous washing step. The method for extracting the membrane-bound target molecules including the additional washing method is also devised.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009170311-A (JP)
Title: Manufacturing method of fuel cell member and fuel cell
Inventor: NONOYAMA JUNRO
IPC: H01M4/86
Filed: 2008-01-17
Abstract: <P>PROBLEM TO BE SOLVED: To provide a fuel cell member suitable for reducing contact resistance.  <P>SOLUTION: Two kinds of paste materials for forming a water repellent layer 32 are prepared, and a first paste material is applied onto a metallic flat plate 9 acting as a substrate, and then heated and cooled to solidify it and to form a first water repellent layer 32a. A second paste material is applied onto the first water repellent layer 32a, and a porous body passage 34 is formed thereon. The second paste material is heated and cooled to solidify it and to form a second water repellent layer 32b, and the water repellent layer 32 and the porous body passage 34 are bonded.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009169843-A (JP)
Title: Information delivery server, information delivery system and information delivery method
Inventor: NAGANUMA TAKESHI
IPC: G06F13/00
Filed: 2008-01-18
Abstract: <P>PROBLEM TO BE SOLVED: To provide an information delivery server capable of appropriately delivering a content according to a user's behavioral state.  <P>SOLUTION: In the information delivery server 12, a behavioral state determination part 25 selects a task model and an estimation probability associated with history information, and calculates a task model reliability based on a behavioral state to which the task model belongs and the estimation probability. When a content delivery request is received from a mobile communication terminal 14, a content use result calculation part 26 calculates a content use result based on content use histories and the task model reliability. A content selection part 27 selects a content to be delivered to the mobile communication terminal 14 according to a content priority calculated based on the current task model reliability calculated based on history information of the latest time section and the content use result calculated by the content use result calculation part 27.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009166224-A (JP)
Title: Hole saw
Inventor: UCHINO YOSHIAKI
IPC: B23B51/04
Filed: 2008-01-21
Abstract: <P>PROBLEM TO BE SOLVED: To solve a problem wherein an operator has to remove cutting chips adherent to a blade of a hole saw each time by hand when making a hole in a suction pipe for an automobile formed by blow-molding thermoplastic resin for passing another component therethrough.  <P>SOLUTION: In the hole saw used for making the round hole in synthetic resin, a sponge body is concentrically provided on a periphery of a center drill and inside a blade body.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2008115194-A (JP)
Title: Cancer preventive or therapeutic pharmaceutical composition
Inventor: GOLD PHIL
IPC: A61K33/24
Filed: 2008-01-23
Abstract: <P>PROBLEM TO BE SOLVED: To provide a cancer preventive or therapeutic pharmaceutical composition.  <P>SOLUTION: The cancer therapeutic composition in patients requiring therapy contains a substantially undenatured whey protein concentrate.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2009177519-A (JP)
Title: Radio communication system, radio terminal device, and visible light communication terminal device
Inventor: KUWANO SHIGERU
IPC: H04B10/11
Filed: 2008-01-24
Abstract: <P>PROBLEM TO BE SOLVED: To accomplish a radio communication system by which various indoor terminals can make a communication with a radio access point equally to an outdoor radio terminal.  <P>SOLUTION: The radio terminal 200 includes a time division multiplexing access function for performing division transfer of time division multiplexing access data and time division multiplexing of data, transfers time division multiplexing access data received by radio from a radio access point 100 to a visible light communication terminal 300 through visible light communication, and transmits by radio data received from the visible light communication terminal 300 through visible light communication to the radio access point 100 by performing time division multiplexing upon the data. Furthermore, the visible light communication terminal 300 exchanges data with the radio terminal device 200 through visible light communication. Thus, the radio communication system performs a time division multiplexing access communication between the visible light communication terminal 300 and the radio access point 100 via the radio terminal 200.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009176979-A (JP)
Title: Connecting method of connector, and connection structure of connector using its connecting method
Inventor: SASAKI KAORU
IPC: H01L21/60
Filed: 2008-01-25
Abstract: <P>PROBLEM TO BE SOLVED: To provide a connecting method of a connector which stably attains better connection strength, and to provide a connection structure using the connecting method.  <P>SOLUTION: In the connecting method of the connector, the connector 2 having a connecting face 21 at one end of a curved shape is connected onto a semiconductor chip 1 face to face using solder 3, wherein the semiconductor chip is parallel with the connecting face, and includes a wider fitting face 11 than the connecting face. The connecting method includes a process to prepare such connector as at lease an area and a deadweight of the connecting face are considered to secure buoyancy in the solder with a predetermined amount melted, a process to apply plating 24 to the connecting face, wherein the plating includes better affinity with the solder than the prepared connector, and a process to fit the connector with the plating applied to the fitting face of the semiconductor chip using the solder.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009177002-A (JP)
Title: Noise suppressor using dielectric characteristic
Inventor: MATSUMOTO TAKAHIRO
IPC: H01Q17/00
Filed: 2008-01-25
Abstract: <P>PROBLEM TO BE SOLVED: To provide a noise suppressor which is lighter in weight, thinner, and can exert a higher noise suppression effect than a conventional noise suppressor using a magnetic material.  <P>SOLUTION: The noise suppressor uses dielectric characteristics and satisfies a formula (1) εr'×t≤300 (mm) and a formula (2) εr''×t≥3 (mm), wherein t (mm) is a thickness of the noise suppressor, εr' is a real part of a complex dielectric constant of the noise suppressor, and εr'' is an imaginary part of the complex dielectric constant.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2008110477-A (JP)
Title: Double side polishing device
Inventor: HORIGUCHI AKIRA
IPC: B24B41/06
Filed: 2008-02-01
Abstract: <P>PROBLEM TO BE SOLVED: To enhance finish quality of workpieces when polishing double sides of a plurality of workpieces simultaneously by rotating a plurality of carriers between upper and lower rotary surface plates and to deliver the workpiece after its double sides are polished automatically.  <P>SOLUTION: The rotary surface plate 112 on the upper side is provided with a plurality of nozzles 112b, 112b, etc. opened on a surface of the surface plate. The plurality of nozzles 112b, 112b, etc. are provided by corresponding to the plurality of workpieces whose double sides are polished between the upper and lower rotary surface plates. When lifting the rotary surface plate 112 on the upper side upon completion of polishing double sides, a liquid such as water, etc. is jetted from the plurality of nozzles 112b, 112b, etc. to hold the plurality of workpieces after their double sides are polished on the rotary surface plate on the lower side.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2009186507-A (JP)
Title: Variable wavelength dispersion compensating device and method
Inventor: SAKAMOTO YASUSHI
IPC: G02F1/35
Filed: 2008-02-01
Abstract: <P>PROBLEM TO BE SOLVED: To provide a variable wavelength dispersion compensating device and method that adds an optional compensation amount to WDM signal light of each wavelength without generating loss with respect to the signal light.  <P>SOLUTION: The variable wavelength dispersion and compensation device causes light (pump light) transmitted in the opposite direction to the propagation direction of a light signal to enter an optical fiber 14 where a light signal is propagated through an optical branching filter or an optical circulator 13, thereby the wavelength dispersion of the light signal is compensated using a group refractive index change caused by the effect of a stimulated Brillouin scattering generated in the optical fiber. Further, at least either the frequency or strength of light (pump light) entering through the optical branching filter (or the optical circulator) is changed to control the wavelength dispersion compensating amount of the light signal.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009183973-A (JP)
Title: Method of manufacturing piping member
Inventor: HASHIMOTO SUNAO
IPC: B21D22/26
Filed: 2008-02-05
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method of manufacturing a piping member more inexpensively and faster.  <P>SOLUTION: The method of manufacturing the cylindrical piping member whose one end is a welding part to be welded to another member is provided with a stage group (S1-S6) and a stage group (S8-S10). In the stage group (S1-S6), a plate-shaped blank is formed into a shape including a first part (51f) having a cylindrical thick wall-thickness and a thin second part (52f) where is adjacent to and crossed with the first part (51f) and the welding part by press forming. In the second stage group (S8-S10), the second part (52f, 52g) is formed into a cylindrical shape by press forming and a step (56h) is generated on the boundary between the first part (51h) and the second part (52h).  <P>COPYRIGHT: (C)2009,JPO&INPIT