baber/WOPTO huggingface dataset:
Patent JP-2005517801-A (JP)
Title: 繊維材料の処理の方法
IPC: D06L4/40
Filed: 2003-02-18
Abstract: 少なくとも１つの式（１）［式中、Ｒ 1 及びＲ 2 は、相互に独立に、水素又は非置換若しくは置換Ｃ 1 −Ｃ 8 アルキルであり、Ｘ 1 、Ｘ 2 、Ｘ 3 及びＸ 4 は、相互に独立に、−Ｎ（Ｒ 3 ）Ｒ 4 又は−ＯＲ 5 であり（ここで、Ｒ 3 及びＲ 4 は、水素；シアノ；Ｃ 1 −Ｃ 8 アルキル（非置換であるか、又はヒドロキシ、カルボキシ、シアノ、−ＣＯＮＨ 2 若しくはフェニルにより置換されており、そしてＣ 1 −Ｃ 8 アルキル基は、中断されていないか、又は−Ｏ−により中断されている）；非置換又はＣ 1 −Ｃ 4 アルキル置換Ｃ 5 −Ｃ 7 シクロアルキルであるか；あるいはＲ 3 及びＲ 4 は、これらを連結している窒素原子と一緒に、非置換又はＣ 1 −Ｃ 4 アルキル置換モルホリノ、ピペリジン又はピロリジン環を形成し；Ｒ 5 は、非置換であるか、又はヒドロキシにより置換されているＣ 1 −Ｃ 8 アルキルである）、そしてＭは、水素又はカチオンである］で示される化合物を含む洗剤組成物であり、本洗剤は、過酸化物、過酸化物アクチベーター及び／又は漂白触媒を含む洗剤組成物である。
Patent JP-2006504619-A (JP)
Title: 標的因子の特異的食作用のための多機能複合体
IPC: C07K19/00
Filed: 2003-03-10
Abstract: 本発明は、少なくとも１つの標的病気因子に対して特異的な免疫促進反応（好ましくは食作用）を誘発するための多機能標的複合体でに関するものである。本発明に係る複合体は、（ａ）目的とする標的因子と特異的に結合する分子を含んでいる少なくとも１つの標的認識成分、（ｂ）免疫促進因子を含んでいる免疫活性成分、及び（ｃ）随意的に、前記標的成分と前記免疫活性成分とを結合させる結合成分を含んでいる。本発明に係る複合体は、様々な病的疾患（例えばウシの乳房炎や水産物の潰瘍性疾患など）の有効な治療的予防及び治療を提供する。さらに、本発明は、標的複合体を含んでいる組成物、治療方法、及びそれらの使用に関する。
Patent JP-2005520247-A (JP)
Title: ホストコンピュータに対する取り外し可能（ｒｅｌｅａｓａｂｌｅ）接続のためのアプリケーションソフトウェア付き記憶装置
IPC: G06F21/12
Filed: 2003-03-12
Abstract: コンピュータに取り外し自在に接続可能であり、少なくとも１つのアプリケーションソフトウェアパッケージ及び関連したデータを含む記憶装置が開示されている。アプリケーションソフトウェアパッケージは、コンピュータにアップロードまたはインストールされていなくても、コンピュータに接続するとデバイスから直接的に実行する。このようにして、デバイスのユーザは、コンピュータの設定または特定のソフトウェアやデータのインストールを行う必要なく、自分の好ましいアプリケーションソフトウェア及びデータを使用して互換性のあるコンピュータで作業できる。
Patent JP-2005522787-A (JP)
Title: 物理的ストレージを抽象するプラグ可能なアーキテクチャを有するパーシステントなキーと値とのリポジトリ
IPC: G06F17/30
Filed: 2003-03-26
Abstract: どの特定のプラットフォームまたはストレージサブシステムにもそのユーザを限定しないアーキテクチャを用いてキーと値のペアを管理するためのシステムおよび手法が提供される。この発明の一局面によれば、リポジトリは、リポジトリが使用される環境およびプラットフォームに基づいてアーキテクチャが変わる必要がないことから、移殖性がある。むしろ、プラットフォームに特有のアーキテクチャの部分は、リポジトリのストレージ抽象層にあるプラグインに限定されている。プラグインはリポジトリの他の層に同じストレージ抽象インターフェイスを公開するが、異なるプラットフォームまたはストレージサブシステムと相互作用するよう実現される。したがって、１つのプラットフォームから別のプラットフォームへ移殖されるのに応答して、リポジトリは、単にプラグインを変更してパーシステントなストレージ動作を呼び出してもよい。
Patent JP-2005538695-A (JP)
Title: 概日リズム障害を治療するためのスクリーニング法および治療法
IPC: C12N5/10
Filed: 2003-04-15
Abstract: 本発明は、概日リズムを調節する化合物をスクリーニングする方法を提供する。この方法は、（ａ）プロキネチシンプロキネチシン２（ＰＫ２）レセプターアンタゴニストまたはアゴニストである化合物を与える工程と、（ｂ）概日リズム機能の１つ以上の特徴を調節する上記化合物の能力を測定する工程とを包含し、概日リズムの１つ以上の特徴を調節する化合物を、概日リズムを調節する化合物として同定する。また、本発明は、マウスＰＫ２レセプター核酸、ポリペプチド、および関連組成物を提供する。さらに、動物の概日リズムを調節する方法を提供するもので、該方法は、動物に対して、有効量のＰＫ２レセプターアンタゴニストまたはＰＫ２レセプターアゴニストを投与することを含む。また、異種ヌクレオチド配列に作動可能に結合したＰＫ２遺伝子プロモーターを含む単離核酸も提供する。
Patent JP-2005519795-A (JP)
Title: 接着式ワッペン
IPC: B44C1/10
Filed: 2002-12-16
Abstract: 本発明は接着式ワッペンに関するものであり、身体の一部または衣服の選択箇所に接着する方法で使用でき、多様な形態で、立体感及び美感に優れており、所定の形状を有する軟質のベース層の一面に接着層を形成し、前記ベース層の他面には、微細なサイズに加工された樹脂材、金属材、石材、スパンクル、ガラス材及び所定の模様を有する繊維材や羽毛のいずれか１つまたは２つ以上が混合された装飾物を接着してなる。
Patent JP-2005198043-A (JP)
Title: Content distribution system, its method, server, user terminal, encryption apparatus, managing apparatus, and streaming apparatus
Inventor: HIROSE GOJI
IPC: H04L9/08
Filed: 2004-01-07
Abstract: <P>PROBLEM TO BE SOLVED: To provide a content distribution system, a method therefor, a server, a user terminal, an encryption apparatus, a managing apparatus, and a streaming apparatus which enable a user to obtain contents inexpensively by charging according to viewing and listening time only and enables only a fee required for obtaining cryptographic key information to be enough for a communication fee.  <P>SOLUTION: A content management server apparatus 400 transmits content information encrypted by an encryption processing part of the contents encryption apparatus 300 to the user terminal 100 via a communication network 600, whereas a streaming server apparatus 500 transmits streamed cryptographic key information via a portable telephone communication network 650 and a charge processing part calculates the fees on the basis of the transmission situations.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005195923-A (JP)
Title: Electronic music device with download function, and method for inspecting storage area in the same
Inventor: YANASE TSUTOMU
IPC: G10H1/00
Filed: 2004-01-08
Abstract: <P>PROBLEM TO BE SOLVED: To provide an electronic music device with a download function, which can easily confirm whether the device can store digital content desired to be downloaded.  <P>SOLUTION: The electronic music device acquires from a Web server 3 the name of digital content, and information on a download page 3a, including a button 3b for starting a digital content storage area inspecting function part and a button 3f for downloading the digital content, and displays a picture shown in Figure (a). When the user selects the button 3b, free areas of a built-in storage device 5 and an external storage device 6 are inspected, and a screen shown in Figure (b) is displayed. The reference 11 is the inspection screen of the space areas (capacity, the number of files). When the user selects the button 3c, the electronic music device makes access to the Web server 3, and acquires the desired digital content stored in a contents database 4, and makes the built-in storage device 5 or the external storage device 6 store them.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005199448-A (JP)
Title: Liquid container and its liquid filling method
Inventor: KIMURA KIMITOSHI
IPC: B41J2/175
Filed: 2004-01-13
Abstract: <P>PROBLEM TO BE SOLVED: To prevent a reverse flow of a liquid or an inflow of the open air to a liquid containing part of a liquid container, and to fill the liquid into the liquid container without any trouble.  <P>SOLUTION: The liquid container has the liquid containing part which is attachable and detachable to a liquid consuming apparatus and in which the liquid is to be filled, a liquid sending part 10 with a liquid sending passage 7 for sending the liquid in the liquid containing part to the liquid consuming apparatus, and a check valve means 18 for permitting a flow of the liquid from the liquid containing part towards the liquid consuming apparatus, and at the same time blocking a flow in the opposite direction. The check valve means 18 has a valve body 11 which is disposed in the liquid sending passage 7 and has at least a part formed of a magnetic body.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005204377-A (JP)
Title: Rotor assembly and geared motor employing it
Inventor: WATANABE KAZUHIRO
IPC: H02K37/14
Filed: 2004-01-14
Abstract: <P>PROBLEM TO BE SOLVED: To provide a rotor assembly in which manufacturing cost and weight can be reduced as a whole and a rotor pinion is not damaged even when large driving torque acts, and to provide a geared motor employing the assembly.  <P>SOLUTION: The rotor assembly 30 is located rotatably in an exciting coil contained in the casing of a motor and comprises a substantially cylindrical rotor magnet 31 arranged rotatably through a clearance to a yoke applied with the exciting coil, a synthetic resin rotor support 32 molded integrally in the rotor magnet 31, and a rotor pinion 33 arranged on one end face of the rotor support 32 to mesh an external gear train. In the rotor pinion 33, a pinion part 37 and an inserting part 38 formed on the proximal end side thereof are molded integrally of metal, a recess 36 fitted with the inserting part 38 of the rotor pinion is formed on one end face of the rotor support 32 and a locking mechanism 32a is formed at the inserting part 38 and the recess 36.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005200330-A (JP)
Title: Blood glucose-improving agent
Inventor: UOTANI KAZUMICHI
IPC: A61P3/10
Filed: 2004-01-14
Abstract: <P>PROBLEM TO BE SOLVED: To provide a blood glucose level-improving agent and a blood glucose level-improving food or drink which use polyglutamic acid having a hypoglycaemic action.  <P>SOLUTION: This blood glucose level-improving agent and the blood glucose level-improving food or drink contain polyglutamic acid having a structure of formula (1) and a mol. wt. of 10,000 to 1,700,000. Thereby, these agents improve a high blood glucose level state.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005201774-A (JP)
Title: Range finder
Inventor: OKADA MASAHIKO
IPC: G01S13/50
Filed: 2004-01-15
Abstract: <P>PROBLEM TO BE SOLVED: To provide a range finder for acquiring distance information on relatively moving two objects for a radar device of a CW doppler method.  <P>SOLUTION: Of relatively moving movable bodies A and B standing opposite to each other, the movable body A is provided with a range finder for measuring a distance to the movable body B in a straight line. This range finder is equipped with a high-frequency circuit 1 for transmitting/receiving CW radio wave to extract Ddoppler signals, an A/D conversion circuit 2 for A/D converting the extracted Doppler signals, and a signal processing circuit 3 for performing arithmetic processing on digital signals. By detecting the movable body B three times or more, a distance between the movable bodies A and B in a straight line can be measured from three doppler signals and from time intervals in detecting them.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005203579-A (JP)
Title: Array substrate with reduced wiring resistance and its manufacturing method
Inventor: FUJIMOTO SATOKAZU
IPC: H01L29/04
Filed: 2004-01-16
Abstract: <P>PROBLEM TO BE SOLVED: To provide an array substrate wherein wiring delay is reduced and capacitance between the gate and the source of a TFT can be adjusted, and to provide its manufacturing method.  <P>SOLUTION: The array substrate 10 contains an insulating substrate 12, a plurality of wires 14 formed on the surface of the insulating substrate 12, first insulating films 16 which are formed so that parts between the mutual wires 14 are filled with the films 16 at the surface of the insulating substrate 12, and a second insulating film 18 which is formed on the surfaces of the wires 14 and the first insulating films 16.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005204119-A (JP)
Title: Camera lens module and assembling method thereof
Inventor: TAKAHASHI TAIZO
IPC: H04N5/335
Filed: 2004-01-16
Abstract: <P>PROBLEM TO BE SOLVED: To prevent the imaging face of an imaging element from being affected by adhesive during bonding without forming an unnecessary margin at a position, where the adhesive for bonding a lens unit and an imaging element package is applied.  <P>SOLUTION: The camera lens module includes an imaging element package 32 where a solid-state imaging element 31 is formed, an adhesive 33 which will be applied around the imaging face 31a of the solid-state imaging element 31, a lens unit 35 made up of a frame body for holding an optical lens system 34 in a lens frame and integrated in an engaged state with the imaging element package 32 by bonding with the adhesive 33, and an air introduction hole 35a as a through hole which joins outer air and an inner space SP between the solid-state imaging element 31 and the lower edge lens of the optical lens system 34. In this case, the air flow rate of the air introduction hole 35a by an air pump 36 is controlled so that the space SP between the solid-state imaging element 31 and the nearest lens is held under positive pressure while the lens unit 35 is engaged with the imaging element package 32 and bonded with each other.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005200371-A (JP)
Title: Therapeutic sheet for external use
Inventor: HAMABE MASARU
IPC: A61P17/00
Filed: 2004-01-16
Abstract: <P>PROBLEM TO BE SOLVED: To provide a therapeutic sheet for external use scarcely attached to hands and fingers, clothes and bedding, etc., when applied to an affected area, scarcely causing wiping-away of zinc oxide from clothes and bedding, etc. and exhibiting sufficient pharmacodynamic effects of zinc oxide and excellent in a medically applying property.  <P>SOLUTION: The therapeutic sheet for external use is obtained by providing a paste layer containing zinc oxide, glycerol and water-soluble polymer polysaccharide in a base on at least one side of a support. In the therapeutic sheet for external use, the base is composed of a polymer obtained by polymerizing at least one kind of monomer selected from a group consisting of acrylic acid, an acrylate, methacrylic acid and a methacrylate.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005202860-A (JP)
Title: Device for identifying object of detection
Inventor: KAGE YASUSHI
IPC: G06T7/60
Filed: 2004-01-19
Abstract: <P>PROBLEM TO BE SOLVED: To provide a device for identifying the object of detection that is capable of quickly beginning the process of identifying the object of detection and of determining in a short time whether there is the object of detection.  <P>SOLUTION: A filtering part 6 that applies a Walsh-Hadamard transform filter to an image in an area 22 of the object of analysis every time an area segmenting part 5 cuts out the area 22, and a memory 3 that stores the results of application of the two-dimensional Walsh-Hadamard transform filter to a form face image 16 showing the object of detection are provided. The result of application by the filtering part 6 is collated with the result of application stored in the memory 3 to determine whether the image of the area 22 shows a face.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004158874-A (JP)
Title: Light emitting diode
Inventor: TADATSU YOSHIAKI
IPC: H01L33/20
Filed: 2004-01-19
Abstract: <P>PROBLEM TO BE SOLVED: To improve the luminous efficiency of a LED having a light emitting element composed of a gallium nitride-based compound semiconductor material and, in addition, to improve the luminance of the diode.  <P>SOLUTION: The light emitting diode has the light emitting element disposed on the bottom face of a metal recess, and a resin surrounding the light emitting element. The element is composed of a gallium nitride-based compound semiconductor laminated in both n- and p-types. In the resin, a fluorescent dye or pigment which emits light having a wavelength longer than an excitation wavelength by exciting the light emitted from the light emitting element is added. The resin containing the added fluorescent dye or pigment is disposed in, above, beside, and under the metal recess.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2005206279-A (JP)
Title: Article housing device, article housing method, and control program
Inventor: KAWASAKI KATSUHIKO
IPC: B25J1/00
Filed: 2004-01-20
Abstract: <P>PROBLEM TO BE SOLVED: To categorize housing shelves later in response to progress of housing work by a user and a request from the user.  <P>SOLUTION: This housing device is provided with a plurality of housing shelves 1A-1I, to which a RFID readers 2A-2I for reading discriminating information about articles 8 are fitted, a control unit 3 connected to the RFID readers 2A-2I and a memory unit 6. The memory unit 6 stores information about the articles housed in each of the housing shelves to manage them, and when an article, to which discriminating information is given, is housed in a vacant shelf, the RFID reader fitted to the shelf reads the discriminating information of the article, and categorizes the housing shelf on the basis of the read discriminating information of the article.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005209067-A (JP)
Title: Thread, and its manufacturing method, and sheet
Inventor: UKO KEIICHI
IPC: B42D15/10
Filed: 2004-01-26
Abstract: <P>PROBLEM TO BE SOLVED: To reduce possibility of breaking an IC chip, and to prevent the mounting position of the IC chip from being deviated when the IC chip is mounted on a sheet base material.  <P>SOLUTION: A thread is obtained by mounting the IC chip 10 for reading at least information in a noncontact state on a belt shape resin layer 20a. A recess 22a where the IC chip 10 is housed is formed in an area on which the IC chip 10 is mounted in the resin layer 20a. The IC chip 10 is mounted on the resin layer 20a by being housed in a first recess. A resin layer 20b is laminated on the resin layer 20a so as to cover the IC chip 10, and then, the resin layers 20a and 20b are mutually stuck together.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005209581-A (JP)
Title: Surface light source apparatus and image display device
Inventor: TAKADA SUSUMU
IPC: F21V8/00
Filed: 2004-01-26
Abstract: <P>PROBLEM TO BE SOLVED: To improve use efficiency of light, to make degree of light emitting luminosity from a light guide plate much more high luminance and uniform and to achieve uniformity in tone in emitted light.  <P>SOLUTION: Light emission is carried out from a light emitting surface 7 of the light guide plate 2 after the light from a light source 4 makes incidence on a side surface of the light guide plate 2 (incident surface 3) in the surface light source apparatus 1. The light source 4 comprises the light guide body 10 of an approximate stick shape and LED (point state light emitting substance) 11 and 11 installed on both ends of the light guide body 10. Moreover, two or more light source 4 are installed along the incident surface 3 of the light guide plate 2.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005213275-A (JP)
Title: Coating agent
Inventor: HOTTA YASUNARI
IPC: C09D133/26
Filed: 2004-01-27
Abstract: <P>PROBLEM TO BE SOLVED: To provide a coating agent affording a gas barrier film having oxygen barrier properties at high humidities and solving problems in resistance to flexural fatigue (Gelbo characteristics), transparency and adhesiveness to substrates, and further the oxygen barrier properties at the high humidities compatible with adhesiveness even after a retort treatment (a treatment in hot water at 120°C under pressure for 30 min).  <P>SOLUTION: The coating agent comprises an acrylic resin containing ≥75% pts.wt. of N-methylolacrylamides as a monomer component, a water-soluble polymer, an inorganic layered compound and an acidic catalyst.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004280069-A (JP)
Title: Image forming apparatus
Inventor: MATSUURA TAISUKE
IPC: G03G21/14
Filed: 2004-01-27
Abstract: <P>PROBLEM TO BE SOLVED: To shorten time required for determining transfer bias without lowering the accuracy of transfer control.  <P>SOLUTION: In an image forming apparatus having an image forming means to form an image on an image carrier, a transfer means provided with a transfer member capable of coming into contact with the image carrier and a voltage applying means to apply voltage to the transfer member and to electrostatically transfer the image on the image carrier to a transfer medium, an electric current detecting means to detect an electric current made to flow through the transfer member and a controlling means to perform electric current detection operation for detecting the electric current made to flow when applying specified voltage before image transfer operation and to determine transfer voltage applied to the transfer member in the image transfer operation based on a detected result by the electric current detection operation, the electric current detection operation is performed for a plurality of number of times, and the time required for certain electric current detection operation performed after second time is made shorter than the time required for the electric current detection operation performed before that.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005211919-A (JP)
Title: Control method for charged particle flow, control method for welding arc and plasma, and control method for molten metal
Inventor: USUI SATOSHI
IPC: H01J37/141
Filed: 2004-01-28
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method for controlling a welding arc or a molten metal, whose controllability is further improved.  <P>SOLUTION: A welding arc, a molten metal pool, or a weld bead is controlled by making magnetic force generated from a superconductive bulk magnet act on them. The strength and the direction of the weld arc or the like is controlled by strong magnetic force generated from the superconductive bulk magnet, so that the controllability is further improved.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005218207-A (JP)
Title: Stator structure of pluriaxial multilayer motor
Inventor: NAKANO MASAKI
IPC: H02K16/02
Filed: 2004-01-29
Abstract: <P>PROBLEM TO BE SOLVED: To provide a stator structure of a pluriaxial multilayer motor for forming a simple structure of a cooling medium flow path, ensuring sealability using a simple structure and enhancing the cooling efficiency of a stator.  <P>SOLUTION: The stator structure of the pluriaxial multilayer motor comprises teeth 204 having cores 202 to which coils 203 are wound, an inner circumferential post 205 and an outer circumferential post 206 formed of a nonmagnetic material and alternately and hermetically joined. A partitioning plate 207 is provided between the adjacent teeth 204. The teeth 204, the inner and outer circumferential posts 205, 206 located on both sides of the teeth 204 and the partitioning plate 207 form the cooling medium flow path 208. An inlet 208A and an outlet 208B are alternately disposed on one side of the adjacent cooing medium flow path in the circumference. A stator cover 210 is provided and has a plurality of U-shaped flow paths 209 for hermetically communicating with other sides of a plurality of the cooling medium flow paths.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005217117-A (JP)
Title: Semiconductor device
Inventor: KATO MASATOSHI
IPC: H01L27/04
Filed: 2004-01-29
Abstract: <P>PROBLEM TO BE SOLVED: To provide a semiconductor device capable of reducing an occupation area on a substrate of an inductance element and capable of reducing the area of the substrate to be miniaturized.  <P>SOLUTION: A thick square (square-shaped) trench 12 is formed on a monocrystal silicon substrate 11. For this reason, a region on the monocrystal silicon substrate 11 is classified into a rectangular region 11a enclosed with the trench 12 and a region 11b outside of the trench 12. The respective regions 11a, 11b are an element forming region where various circuit elements constituting a monolithic IC integrated on the monocrystal silicon substrate 11 are formed. The inductance element 13 of a solenoid structure is received in the trench 12, and an insulating material 14 is filled in between the inductance element 13 and the inner wall of the trench 12. The trench 12 filled with the insulating material 14 forms a shallow trench element isolated structure, and the trench 12 is caused to electrically element-isolate the respective element forming regions 11a, 11b.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005214773-A (JP)
Title: Position detection device of ultrasonic motor
Inventor: IWAMA YUICHI
IPC: G01D5/347
Filed: 2004-01-29
Abstract: <P>PROBLEM TO BE SOLVED: To provide a more excellent position detection device of an ultrasonic motor.  <P>SOLUTION: This position detection device for detecting the rotation position of a rotor 110 of the ultrasonic motor 100 is equipped with a link mechanism for converting a rotational motion of the rotor into a linear motion, a link body 210 for performing the linear motion by the link mechanism, a translucent part 212 provided on the link body, a light guide body 220 arranged oppositely to one side of the link body, a light source 230 for inputting light into the light guide body, a PSD 240 arranged oppositely to the other side of the link body, and a signal processing circuit 320 for specifying the rotor position by processing an output from the PSD. The device has a constitution wherein the light receiving surface of the PSD is irradiated with spot light from the light guide body through the translucent part, and when the rotor is rotated, the spot light is moved on the light receiving surface of the PSD.  <P>COPYRIGHT: (C)2005,JPO&NCIPI