baber/WOPTO huggingface dataset:
Patent JP-2010504217-A (JP)
Title: テルミット溶接用端子付ケーブル
IPC: H01R4/64
Filed: 2007-09-25
Abstract: 本発明は、テルミット溶接における溶接面積の増大と溶接端子の強度を向上させることを目的とする。本発明によるテルミット溶接用端子付ケーブルは、前記流入された溶材が固化してなる溶着金属を介して母材にテルミット溶接される。当該テルミット溶接用端子付ケーブルは、内部に導線が挿入され、前記凹部の少なくとも一部の長さ方向において、該凹部の表面に密着し第２開口部の開口面と面一となる形状を有する第１部分と、前記第１開口部の開口面と所定距離を隔てて前記第１部分の一端部から前記空洞部内まで延びる第２部分と、を有して構成される。 【選択図】図１
Patent JP-2010508261-A (JP)
Title: 新規脂質化合物
IPC: A61P29/00
Filed: 2007-11-01
Abstract: 一般式（Ｉ）： 【化１４８】     ［式中， Ｒ １ およびＲ ２ は，同じまたは異なり，水素原子，ヒドロキシ基，アルキル基，ハロゲン原子，アルコキシ基，アシルオキシ基，アシル基，アルケニル基，アルキニル基，アリール基，アルキルチオ基，アルコキシカルボニル基，カルボキシ基，アルキルスルフィニル基，アルキルスルホニル基，アミノ基，およびアルキルアミノ基から選択され； Ｐは，水素原子， 【化１４９】     ［式中，Ｐ ２ ，Ｐ ３ ，およびＰ ４ は，水素原子，アルキル基，およびＣ １４ −Ｃ ２２ アルケニル基から選択され，ここで，アルキル基およびアルケニル基は任意にヒドロキシ基で置換されていてもよい］ 【化１５０】     を表し，および Ｙは，少なくとも１つの二重結合をＥおよび／またはＺコンフィギュレーションで有するＣ １４ −Ｃ ２２ アルケニル基であり； ただし，Ｒ １ およびＲ ２ は同時に水素原子ではない］ のオメガ−３脂質化合物，またはその薬学的に許容しうる複合体，溶媒和物，塩またはプロドラッグ。また，そのような化合物を含む医薬組成物および脂質組成物，および医薬品，特に心臓血管および代謝性疾患の治療用の医薬品として用いるためのそのような化合物も開示される。
Patent JP-2010508776-A (JP)
Title: 複数の無線通信機器間でメディアファイルを通信するための方法及び装置
IPC: H04B1/40
Filed: 2007-10-29
Abstract: 無線通信機器間でメディアファイルを通信する方法及び装置を提供する。メディアファイルは、第１の無線通信機器で分割及びスピーチ符号化され、その後、通常は、マルチメディアピア（Ｍ２−ピア）通信を介して、第２の無線通信機器へ通信され、第２の無線通信機器では、その再生機能のために、スピーチ符号化メディアファイルを復号及び連結する。 【選択図】図９
Patent JP-2010510958-A (JP)
Title: 耐火性セラミック複合体およびその製造方法
IPC: C04B35/48
Filed: 2007-11-19
Abstract: 耐火性セラミック体を製造する方法が開示されている。この方法は、ジルコニア前駆体、シリカ前駆体、ゾルゲル形成剤、および予め形成されたジルコンを接触させる工程を有してなる。この方法はさらに、得られた組成物を所望の形状に成形し、その所望の形状を焼成して、緻密なクリープ耐性の耐火体を形成する各工程をさらに含んでも差し支えない。上述した方法により製造された物品が開示され、ここで、微粒子のジルコンが、予め形成されたジルコンの粒内および／または間に形成されている。
Patent JP-2010513037-A (JP)
IPC: B23C5/16
Filed: 2007-12-13
Abstract: An abrasive compact may include an ultra-hard phase that may include ultra-hard particles having a Knoop hardness of 5000 KHN or greater, a sinter catalyst, and a reaction phase that may include a catalyst-ceramic compound having a Knoop hardness lower than that of the ultra-hard phase.
Patent JP-2010515621-A (JP)
IPC: B62D25/20
Filed: 2008-01-21
Abstract: A front end portion of a side member functions as a crumple zone during a collision with another vehicle or the like. A radiator support is attached via a bracket to this crumple zone. When another vehicle or the like collides with the side member, the radiator support separates from the side member. When another vehicle or the like collides with the radiator support, external force applied in the rear direction to the radiator support is transmitted to the side member.
Patent JP-2010519828-A (JP)
Title: スケーリング及び回転されたＡｌａｍｏｕｔｉ符号化
IPC: H04J99/00
Filed: 2008-02-20
Abstract: 本発明は、送信チャネル上での送信のためにチャネルデータストリームのチャネルシンボルに入力データストリームの入力シンボルを符号化するための符号化器、及び対応する復号器に関する。既知のAlamouti符号化器と比較してエラーレートを改善するために、スケーリングされた(そしてさらに好ましくは回転される)Alamouti符号化器が提案され、この符号化器は、入力シンボルをチャネルシンボルのペアにブロック毎にマップするマッピング手段を有し、ブロックは２つの入力シンボルを有し、前記マッピング手段は、ブロックをチャネルシンボルの２つのペアにマップし、チャネルシンボルの前記２つのペアは、前記２つの入力シンボルの及び/又は前記２つの入力シンボルの少なくとも１つの複素共役のスケーリングされたバージョンを含み、前記スケーリングされたバージョンは、1と異なる絶対値のスケーリング係数を持ち少なくとも２つの部分をもつ区分的線形表現であるスケーリング関数を適用することで取得され、前記符号化器はさらに、前記チャネルシンボルを出力する出力手段を有する。
Patent JP-2011145020-A (JP)
Title: Waste steam recovery device
Inventor: MATSUKAWA NAOKI
IPC: F28B9/02
Filed: 2010-01-15
Abstract: <P>PROBLEM TO BE SOLVED: To provide a waste steam recovery device capable of keeping mixture fluid of waste steam and cooling water at a comparatively high temperature.  <P>SOLUTION: An evaporative cooling type heat exchange module 2 and a gas-liquid separator 3 are sequentially connected to a waste steam passage 1. A liquid outlet 9 of the gas-liquid separator 3 is connected to a first-stage suction port 11 of a two-stage jet scrubber 4. A gas outlet 8 of the gas-liquid separator 3 is connected to a second-stage suction port 10 of the two-stage jet scrubber 4. The gas and liquid are separated by the gas-liquid separator 3, the separated steam condensate is sucked to the first-stage suction port 11 from the liquid outlet 9, and the steam from which the water is separated, is sucked to the second-stage suction port 10 from the gas outlet 8.  <P>COPYRIGHT: (C)2011,JPO&INPIT
Patent JP-2011144894-A (JP)
Title: Pneumatic spring and base isolation device
Inventor: SUZUKI SHIGENOBU
IPC: F16F9/08
Filed: 2010-01-15
Abstract: <P>PROBLEM TO BE SOLVED: To obtain a large damping force in a cylinder axial direction while withstanding high working pressure with a reduced size.  <P>SOLUTION: The pneumatic spring 3 includes a cylinder 4, a piston 5 relatively displaceable to the cylinder 4, and a first and second diaphragms 7, 8 airtightly closing a gap portion 6 between the piston 5 and the cylinder 4. The first and second diaphragms 7, 8 are composed of mutually overlapped flexible cylinders, one-side ends of the first and second diaphragms 7, 8 are fixed respectively to the piston 5, and the other ends thereof are fixed to the cylinder 4. Middle portions of the first and second diaphragms 7, 8 are folded respectively at the gap portion 6 at positions shifted in the axial direction of the cylinder, and an intermediate chamber 9 is formed between the folded portions 70, 80 of the first and second diaphragms 7, 8. The intermediate chamber 9 is filled with a viscous fluid 12, and internal pressure Pb of the intermediate chamber 9 is lower than internal pressure Pa of the cylinder 4 and higher than outside air pressure Po.  <P>COPYRIGHT: (C)2011,JPO&INPIT
Patent JP-2011149468-A (JP)
Title: Chain tensioner
Inventor: ONIMARU KOICHI
IPC: F16H7/08
Filed: 2010-01-20
Abstract: <P>PROBLEM TO BE SOLVED: To provide a chain tensioner having an air ejection mechanism dispensing with a process for pressing a plug body into a through hole.  <P>SOLUTION: The chain tensioner 1 is formed by inserting a plunger 10 slidably into a cylinder 9, providing an oil feeding passage 21 for introducing a hydraulic fluid into a pressure chamber 20 surrounded by the plunger 10 and the cylinder 9, providing a check valve 22 at the pressure chamber 20 side end of the oil feeding passage 21, and incorporating a return spring 32 for energizing the plunger 10 in a projecting direction, into the pressure chamber 20. The projecting end of the plunger 10 from the cylinder 9 is provided with a through hole 33, and the through hole 33 is formed in tapered shape. The plug body 35 of tapered shape is fitted into the through hole 33, and the plug body 35 is held in the through hole 33 by the energizing force of the return spring 32. A spiral groove 34 serving for communication between the pressure chamber 20 and the outside is formed between the fitting surfaces of the plug body 35 and through hole 33.  <P>COPYRIGHT: (C)2011,JPO&INPIT
Patent JP-2010189633-A (JP)
Title: Method for producing resin dispersion and resin particles
Inventor: TERADA AKINORI
IPC: G03G9/087
Filed: 2010-01-21
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method for stably producing a resin dispersion and resin particles which has both low temperature meltability and blocking resistance, and resin particles having a uniform particle size distribution.  <P>SOLUTION: The method for producing an aqueous dispersion (X1) includes a step for obtaining the aqueous dispersion (X1) of a resin particle (C) having a structure in which a resin particle (A) is adhered on the surface of a resin particle (B) by mixing an aqueous dispersion (W) of the resin particle (A) containing a resin (a), and an oil liquid (OL) containing a resin (b) and/or the precursor thereof (b0), and an organic solvent (u) if needed; dispersing (OL) in (W); further causing (b0) to react in (W) when the precursor (b0) is used; and forming the resin particle (B) containing (b). In the method, the resin (b) contains a polyester resin (p1) subjected to polycondensation of a specific polyol component (x) and a specific polycarboxylic acid component (y) and/or a resin (p2) having (p1) as a constitutional unit.  <P>COPYRIGHT: (C)2010,JPO&INPIT
Patent JP-2011150136-A (JP)
Title: Blur correction device
Inventor: NAGAOKA HIROHITO
IPC: G03B5/00
Filed: 2010-01-21
Abstract: <P>PROBLEM TO BE SOLVED: To provide a blur correction device capable of achieving miniaturization, while improving the degree of freedom in handling of a flexible printed wiring board with a simple structure.  <P>SOLUTION: The blur correction device includes: a base which is fixed to an optical axis; a movable unit which holds an image sensor or an optical element and moves on a plane perpendicular to the optical axis to the base; and the flexible printed wiring board whose base end is fixed to the movable unit and whose leading end extends to the outside of the device, wherein the flexible printed wiring board has a plane part superimposed on the movable unit as seen from an optical axis direction, and extending along the plane. The movable unit has a protrusive supporting part protruding toward the plane part of the flexible printed wiring board in an area where it is superimposed on the flexible printed wiring board as seen from the optical axis direction.  <P>COPYRIGHT: (C)2011,JPO&INPIT
Patent JP-2011150952-A (JP)
Title: Coupling type luminaire
Inventor: MIYASHITA TOSHINARI
IPC: F21S8/04
Filed: 2010-01-25
Abstract: <P>PROBLEM TO BE SOLVED: To provide a coupling type luminaire wherein luminaires can be coupled at an angle range between 0° and a right angle (90°) without using a specific coupling part.  <P>SOLUTION: In one end part of a lid portion 54 that constitutes a lengthy luminaire body 56, a pair of long holes 63a, 63b arranged opposite to each other at an interval of 180° on the same circumference are formed. The pair of long holes 63a, 63b are arranged so that a line connecting the centers O of the holes may be set at 90° with respect to the center line X in the longitudinal direction of the luminaire body 56. In the other end part of the lid portion 54, a pair of contact pins 68a, 68b that are to be inserted into the long holes 63a, 63b of a counterpart first coupling type luminaire 50B to be allowed to move in a range of 90° between the ends of the long holes 63a, 63b are provided.  <P>COPYRIGHT: (C)2011,JPO&INPIT
Patent JP-2011149080-A (JP)
Title: Nickel powder and production method therefor
Inventor: MURAKAMI SHINGO
IPC: B22F9/24
Filed: 2010-01-25
Abstract: <P>PROBLEM TO BE SOLVED: To provide a nickel powder which has a small average grain size, has a narrow grain size distribution, further has satisfactory dispersibility and can suppress the rapid generation of gas upon debindering, thus is suitable for manufacturing the internal electrode of a multilayer ceramic capacitor, and to provide a production method for the nickel powder.  <P>SOLUTION: The method for producing nickel powder is characterized in that raw material nickel powder produced using a wet process is mixed with water, then a water-soluble sulfide is added thereto to produce slurry, raw material nickel powder is subjected to solid-liquid separation from the produced slurry, then is dried in a vacuum or in an inert gas atmosphere to produce raw material nickel powder, and the raw material nickel powder is subjected to heat treatment at 150 to 350°C in a reducing atmosphere.  <P>COPYRIGHT: (C)2011,JPO&INPIT
Patent JP-2010146023-A (JP)
Title: Semiconductor device
Inventor: OSAME MITSUAKI
IPC: G09G3/20
Filed: 2010-01-27
Abstract: <P>PROBLEM TO BE SOLVED: To provide a light emitting device capable of suppressing variations in the luminance of a light emitting element among pixels due to characteristic variations of a driving transistor, without suppressing the off-current of a switching transistor to a low level and increasing the storage capacity of a capacitor.  <P>SOLUTION: A first transistor servers also as an erasing transistor and the first transistor is operated in a saturation region. The gate of the first transistor is connected to an erasing scan line, and the first transistor can be selected whether to make the current flow due to the potential of the erasing scan line. In addition, a second transistor which operates in a linear region is arranged in series to the first transistor, and a video signal for transmitting a light emission or non-emission signal of a pixel is inputted to the gate of the second transistor via a switching transistor.  <P>COPYRIGHT: (C)2010,JPO&INPIT
Patent JP-2011154213-A (JP)
Title: Lens barrel, imaging apparatus and electronic device
Inventor: YAMANO TORU
IPC: H04N5/225
Filed: 2010-01-27
Abstract: <P>PROBLEM TO BE SOLVED: To effectively reduce the dimension of a lens barrel in a direction along an optical axis when the lens barrel is collapsed and housed, with simple constitution, without increasing the dimension of the lens barrel in the radial direction.  <P>SOLUTION: An optical filter 5 is arranged between a fourth group lens system 4 and an image sensor 6, the fourth group lens system 4 is held by a retreat lens moving member 41, and the optical filter 5 is held by a filter retreating member 51. When housing operation is started from a photographing state, the retreat lens moving member 41 retreats on an optical axis and is nearly overlapped on the filter retreating member 51, and an engaging coupling part of the retreat lens moving member 41 is engaged with the filter retreating member 51. When the retreat lens moving member 41 rotates and retreats by the housing operation, the filter retreating member 51 engaged with the engaging coupling part is also operated to rotate integrally with the retreat lens moving member 41, and made to retreat to the outside from an inside diameter of the lens barrel.  <P>COPYRIGHT: (C)2011,JPO&INPIT
Patent JP-2010202283-A (JP)
Title: Printing paper pack
Inventor: OZAWA MANABU
IPC: B65D77/28
Filed: 2010-01-28
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method for manufacturing a printing paper pack capable of easily preventing an offensive smell when printing without needing the modification of hardware and also enjoying a desired pleasant smell, printing paper, and printing paper.  <P>SOLUTION: Being made by enclosing the predetermined number of printing paper sheets including no-carbon paper or PPC paper or ink-jet printing paper, and backing paper on which a predetermined perfume is applied in an airtight container, the pleasant smell of the predetermined perfume which has moved to the printing paper when printing the printing paper can be diverged by moving the pleasant smell of the backing paper on which the predetermined perfume is applied to the printing paper.  <P>COPYRIGHT: (C)2010,JPO&INPIT
Patent JP-2011153688-A (JP)
Title: Active vibration control device
Inventor: URAYAMA ATSUSHI
IPC: B06B1/04
Filed: 2010-01-28
Abstract: <P>PROBLEM TO BE SOLVED: To provide an active vibration control device possible to be reduced in the weight of a movable member and having superior operation performance (a vibration control function) in a high-frequency region.  <P>SOLUTION: This active vibration control device includes: an actuator body 11; a bottomed-cylindrical fixed side yoke 20 provided inside of the actuator 11 and forming an insertion hole 21 on the center axis O of the actuator body 11; a movable part 40 inserted into the insertion hole 21 and to be driven for displacement along the center axis O by the magnetic thrust to restrict vibration; and a cylindrical movable side yoke 50 provided in the movable part 40. The movable side yoke 50 is arranged to be inserted with a magnetic gap G between a bottom part 24 and itself by a through hole 24a provided in the bottom part 24 of the fixed side yoke 20.  <P>COPYRIGHT: (C)2011,JPO&INPIT
Patent JP-2011158257-A (JP)
Title: Sample for image resolution evaluation, charged particle beam device, and sample preparation method
Inventor: NYUI CHIHIRO
IPC: G01N1/00
Filed: 2010-01-29
Abstract: <P>PROBLEM TO BE SOLVED: To provide a more ideal standard sample for resolution evaluation of a charged particle beam device.  <P>SOLUTION: A sample preparation method for the charged particle device includes a step of forming fine irregularities on the surface of a substrate, a step of dripping on the substrate colloid metal or metal fine particles dispersed in an ionic liquid, and a step of removing the solution dripped on the substrate. Also, the sample preparation method for the charged particle device includes a step of forming fine irregularities on the surface of the substrate and a step of attaching metal fine particles on the surface of the substrate by sputtering.  <P>COPYRIGHT: (C)2011,JPO&INPIT
Patent JP-2011158359-A (JP)
Title: Integrated circuit and selection test method for integrated circuit
Inventor: NAGANO HISAO
IPC: G01R31/28
Filed: 2010-02-01
Abstract: <P>PROBLEM TO BE SOLVED: To solve the problem of a reliability of management accuracy and the problem of increases in management cost since test data has been held and managed in an external apparatus.  <P>SOLUTION: In a selection test method for an integrated circuit having a nonvolatile storage circuit and a first circuit, at least the first circuit is tested under a first condition to keep a first result of the test under the first condition written in the nonvolatile storage circuit, and the first circuit is tested under a second condition according to the first result to keep a second result in the case where a test is performed under the second condition written in the nonvolatile storage circuit, so that the integrated circuit is ranked into a plurality of grades on the basis of the first result or the second results.  <P>COPYRIGHT: (C)2011,JPO&INPIT
Patent JP-2011158725-A (JP)
Title: Lens barrel and optical device
Inventor: KINOUCHI ARINORI
IPC: G02B7/02
Filed: 2010-02-01
Abstract: <P>PROBLEM TO BE SOLVED: To reduce the breakage of a flexible printed circuit board while suppressing an increase of the number of components, and to prevent an adverse effect of noise on electrical components.  <P>SOLUTION: A lens barrel includes: a barrel member for housing a lens; the flexible printed circuit board arranged outside the barrel member; a shield member having conductivity which is arranged so as to cover at least a part of the flexible printed circuit board at the opposite side of the barrel member of the flexible printed circuit board; the electrical components arranged at a side opposite to the flexible printed circuit board in the shield member; and a moving member that moves with respect to the barrel member at the side opposite to the flexible printed circuit board in the shield member.  <P>COPYRIGHT: (C)2011,JPO&INPIT
Patent JP-2010184235-A (JP)
Title: Cartridge piston having ventilator
Inventor: SCHAER MARTIN
IPC: B05C5/00
Filed: 2010-02-02
Abstract: <P>PROBLEM TO BE SOLVED: To provide a cartridge piston having a ventilation device capable of being easily manufactured.  <P>SOLUTION: The cartridge piston (20) includes a piston jacket (21), a piston shaft (28), and the ventilation device (22). The ventilation device (22) includes a notch (23), and the notch is arranged on the piston jacket (21). Thereby, the notch (23) is formed as a passage (27) and the passage is at least partially extended on a medium side surface (26) of the cartridge piston (20). The cartridge piston (20) is provided, which is characterized in that the passage (27) is radially extended from the piston jacket (21) to the piston shaft (28) on the medium side surface (26) of the cartridge piston (20) as a radial passage (29).  <P>COPYRIGHT: (C)2010,JPO&INPIT
Patent JP-2011163358-A (JP)
Title: Overflow preventing valve
Inventor: FUJII YOSHIO
IPC: F16K17/34
Filed: 2010-02-04
Abstract: <P>PROBLEM TO BE SOLVED: To secure smooth operation of a valve element (12) and prevent occurrence of a chattering phenomenon in which the valve element (12) repeatedly reciprocates between an initial position and a valve close position caused by an effect of gas from the upstream and pressure waves returned from the downstream, in an overflow preventing valve having structure in which a metallic valve seat body (2) having a valve seat part (20) is fitted in a cylinder body (10) assembled in a gas valve body, the disk-shaped valve element (12) is disposed upstream thereof, the valve element (12) is urged in a valve open direction by a valve urging spring (22), and the valve element (12) is press-fitted in the valve seat part (20) in overflow of gas to cut off a gas flow passage.  <P>SOLUTION: The valve seat part (20) is constituted of a tapered face of which the diameter is enlarged toward the upstream, a resin coat (5) is formed on the tapered face, and an outer peripheral face (50) of the valve element (12) fitted into the valve seat part (20) is formed to have a circular arc cross-section surface projecting outward.  <P>COPYRIGHT: (C)2011,JPO&INPIT
Patent JP-2010231770-A (JP)
Title: Method and apparatus for backup and restore of thin provisioning volume
Inventor: AJIMATSU YASUYUKI
IPC: G06F12/00
Filed: 2010-02-04
Abstract: <P>PROBLEM TO BE SOLVED: To backup virtual volumes effectively by eliminating transfer and preservation of parts of virtual volumes, which contains no data.  <P>SOLUTION: By representing the virtual volumes as virtual files in a virtual file system, it is thereby possible to avoid needlessly backing up empty data space in the virtual volume. A storage system includes multiple virtual volumes and the virtual file system as well as a storage system control module. Each virtual volume in the multiple virtual volumes is represented as the virtual file within the virtual file system with each virtual file representing data actually stored within the virtual volume. The storage system control module facilitates backing up a selected virtual volume. The operation includes a step of accessing the virtual file system on the storage system, and a step of reading the virtual file corresponding to the selected virtual volume.  <P>COPYRIGHT: (C)2011,JPO&INPIT
Patent JP-2010148885-A (JP)
Title: Milk pumping cup
Inventor: RENZ CHARLES JOHN
IPC: A45C5/06
Filed: 2010-02-04
Abstract: <P>PROBLEM TO BE SOLVED: To provide a breast milk pumping cup to be used with a breast milk pump system for expressing breast milk.  <P>SOLUTION: This milk pumping cup includes a frill 675 which hermetically separates breast milk from an air flow and functions as a cushion to protect the breast of a user from a shock given by a plastic insertion body, and a massaging member 634 to facilitate the expressing of breast milk. It also includes a housing 500 of a rigid structure, a plastic insertion band 600, a holder 700, and a valve 800.  <P>COPYRIGHT: (C)2010,JPO&INPIT
Patent JP-2011160672-A (JP)
Title: Incubator
Inventor: FUKUI SHINJI
IPC: C12M1/00
Filed: 2010-02-04
Abstract: <P>PROBLEM TO BE SOLVED: To prevent the supply of water to a cultivating chamber from affecting the maintenance of the germfree state of the cultivating chamber.  <P>SOLUTION: The incubator is obtained by installing a filter F1 in a water supply passage 35 for supplying the water to the cultivating chamber 14.  <P>COPYRIGHT: (C)2011,JPO&INPIT
Patent JP-2010122709-A (JP)
Title: Optical sheet
Inventor: KODAMA TAKASHI
IPC: G02F1/1335
Filed: 2010-02-05
Abstract: <P>PROBLEM TO BE SOLVED: To provide an optical sheet which is excellent in black color feeling and image sharpness.  <P>SOLUTION: The optical sheet is used on a surface of a display element and includes a functional layer on at least one surface of a transparent substrate and a diffusion component on an outermost surface of and/or in the functional layer. The optical sheet satisfies inequality (I): 0.16<R/V<0.71 (I), wherein R is diffusion regular reflection intensity, i.e., intensity in a diffusion regular reflection direction and V is total sum of diffusion reflection intensity measured for each degree between -θ° and +θ° toward the diffusion regular reflection direction when the optical sheet is irradiated with visible rays.  <P>COPYRIGHT: (C)2010,JPO&INPIT