baber/WOPTO huggingface dataset:
Patent WO-2019208366-A1 (WO)
Title: Optical thin film, optical element, optical system, and optical thin film production method
Inventor: UMEDA KENICHI
IPC: G02B15/20
Filed: 2019-04-17
Abstract: Provided are an optical thin film having high light transmissibility and high durability, an optical element and an optical system equipped with the optical thin film, and a production method for the optical thin film. The optical thin film comprises a silver-containing metal layer containing silver provided on one surface of a substrate and a dielectric layer layered so as to be in contact with the silver-containing metal layer, the dielectric layer contains a metal oxide, and a first oxygen concentration in a first region including a first face of the dielectric layer in contact with the silver-containing metal layer is smaller than the oxygen concentration in a stoichiometric composition of the metal oxide.
Patent WO-2019208408-A1 (WO)
Title: Pulse pattern generating device
Inventor: YAMANE KAZUKI
IPC: H02M7/48
Filed: 2019-04-19
Abstract: This pulse pattern generating device comprises: a line voltage imparting unit that imparts line voltage to a coil of a motor; and an induced voltage imparting unit that imparts induced voltage to a coil of the motor. The pulse pattern generating device comprises: a current calculation unit that calculates a current i which flows when the line voltage and the induced voltage are imparted to a coil; and a current effective-value calculation unit that calculates a current effective-value Irms from the current i. The pulse pattern generating device is provided with a pattern generating unit. The pattern generating unit generates a pulse pattern based on the current effective-value Irms.
Patent WO-2019208606-A1 (WO)
Title: System, method, and computer program for controlling ejection of chemicals
Inventor: WAKE CHIHIRO
IPC: F04B49/06
Filed: 2019-04-24
Abstract: [Problem] To accurately control the ejection of chemicals and increase the safety of the ejection of the chemicals in an agricultural machine for spraying the chemicals. [Solution] This system, which is for controlling the ejection of chemicals and is provided in an agricultural machine that has a chemical tank and a chemical ejection port and sprays chemicals, has a plurality of sensors and detects the discharge amount of the chemicals by means of the sensors. The sensors may be any among: pressure sensors for measuring the ejection pressure of the chemicals; pressure sensors provided in the vicinity of a pump and measuring the ejection pressure of the chemicals ejected downstream; pump sensors for measuring the rotation speed of a rotor inside the pump; and flow sensors for measuring the flow rate of the chemicals.
Patent WO-2019244486-A1 (WO)
Inventor: FUKUOKA NOBUKO
IPC: G09F9/00
Filed: 2019-04-26
Abstract: The present invention provides an electro-optic device which is able to achieve improved display quality, while maintaining product accuracy. An electro-optic device according to the present invention is provided with: an electro-optic panel which comprises a transparent base material; a sealing part which is provided in a peripheral region of the transparent base material; a liquid crystal composition which is sealed by means of the transparent base material and the sealing part; a filling port for the liquid crystal composition, which is provided in the peripheral region of the transparent base material; and a light source which is arranged so as to face a lateral surface of the transparent base material. With respect to this electro-optic device, the transparent base material has a first side and a second side that is opposite to the first side; the light source faces the first side; and the filling port faces the second side.
Patent WO-2019221171-A1 (WO)
Title: Solenoid valve
Inventor: WATANABE MASAMICHI
IPC: F16K31/06
Filed: 2019-05-15
Abstract: A spool (501) is contained in a containing member (301) so as to be slidable on the inner peripheral surface (45) of the containing member (301). The spool (501) has formed on the outer peripheral surfaces of the lands (54, 56) thereof: a first continuous displacement section (543) having a clearance relative to the inner peripheral surface (45) of the containing member (301), the clearance continuously decreasing from a supply port (35) on the high-pressure side toward an output port (33) on the low-pressure side; and a second continuous displacement section (563) having a clearance relative to the inner peripheral surface (45) of the containing member (301), the clearance continuously decreasing from the supply port (35) on the high-pressure side toward a feedback port (37) on the low-pressure side. A small annular groove (65) is formed between a first small-diameter end (542) which is the supply port (35)-side end of the first continuous displacement section (543) and a second small-diameter end (562) which is the supply port (35)-side end of the second continuous displacement section (563), the diameter of the bottom of the small annular groove (65) being smaller than the outer diameters of the first and second small-diameter ends (542, 562).
Patent WO-2019239796-A1 (WO)
Title: Book search interface device, book search method, and program
Inventor: HATTORI TAKASHI
IPC: G06F16/332
Filed: 2019-05-20
Abstract: The present invention addresses the problem of efficiently searching for books used to train dysarthria children. A search condition setting unit 120 sets a search condition with respect to a speech sound in accordance with a selection state of kana representation buttons that are located on a book search screen and that correspond in a one-to-one relationship to kana representations representing speech sounds. A search unit 130 searches for a book in which a desired speech sound occurs, in accordance with the search condition. The book search screen includes: a group of Japanese alphabet buttons obtained by classifying the kana representation buttons by vowel and consonant; and/or a group of articulation buttons obtained by classifying the kana representation buttons by articulatory organ and articulatory system.
Patent WO-2020234977-A1 (WO)
Inventor: YAMADA MASANORI
IPC: G06N20/00
Filed: 2019-05-20
Abstract: L'invention concerne un dispositif de traitement d'informations (10) qui calcule la quantité d'informations de procédés de division respectifs dans chaque étiquette pour un ensemble de données divisé par une étiquette qui sert de candidat pour un indice lors de la division de données. Pendant ce temps, le dispositif de traitement d'informations (10) divise des données en une pluralité d'ensembles de données sur la base d'un procédé de division de la quantité d'informations la plus élevée parmi les quantités d'informations calculées et crée un modèle pré-appris pour chaque ensemble de données à l'aide des ensembles de données divisés, respectivement.
Patent WO-2020240642-A1 (WO)
Inventor: HASUMI Daichi
IPC: G06F9/455
Filed: 2019-05-27
Abstract: According to an embodiment, this virtual machine control device (100) comprises: a communication terminal information receiving means (101) for receiving attribute information of a plurality of virtual machines; a similarity level determining means (110) for determining similarity levels between the attribute information of the plurality of virtual machines received by the communication terminal information receiving means (101); and a terminal disposing means (105) for distributing and disposing the plurality of virtual machines, the attribute information of which has been determined to be similar by the similarity level determining means (110), in at least two or more virtual machine hosts (200).
Patent WO-2019239921-A1 (WO)
Title: Wiping sheet
Inventor: YURINO SHOTARO
IPC: A47L13/16
Filed: 2019-05-31
Abstract: This wiping sheet (1) includes a fiber aggregate (1A) that has on at least one surface thereof an uneven section having a macroscopic pattern, and that contains irregular fibers having a flat shape in a transverse cross-section. In recesses (3) and protrusions (4) that constitute the uneven section, the transverse cross-section long diameter of irregular fibers (2) present in the recesses (3) is largely facing in a direction along the surface of the wiping sheet (1), and the transverse cross-section long diameter of irregular fibers (2) present in the protrusions (4) is largely facing in a direction along a surface which is orthogonal to the surface of the wiping sheet (1).
Patent WO-2020250283-A1 (WO)
Inventor: SAWABE KENJI
IPC: A47K10/48
Filed: 2019-06-10
Abstract: A hand-drying device (100) that comprises a nozzle that shoots an airflow toward a hand-drying space in which the hands can be placed, a blower that delivers the airflow that is shot from the nozzle, an outer enclosure that houses the blower, a display unit (20) that is provided at at least a portion of a width-direction end-part-side region of a front surface of the outer enclosure, a portion of a side surface of the outer enclosure, or portion of a bottom surface of the outer enclosure and gives elapsed time information from when the blower begins operating until a predetermined set operation time has elapsed, and a control unit that controls the blower and the display unit (20).
Patent WO-2020022081-A1 (WO)
Title: Display element and method for manufacturing display element
Inventor: KURA SATOSHI
IPC: G02F1/1337
Filed: 2019-07-11
Abstract: This display element has a red colored pattern, a blue colored pattern, and a green colored pattern. The display element has: a red colored pattern (A) that contains a specific coloring agent and 100-10,000 (wt)ppm of a heavy metal; and a spacer pattern (B) formed from a radiation sensitive resin composition that contains a resin having a crosslinkable group and a carboxyl group.
Patent WO-2020121592-A1 (WO)
Title: コイル部品および、これを含むフィルタ回路
Inventor: TOUJO ATSUSHI
IPC: H01F27/00
Filed: 2019-08-06
Abstract: 本開示は、複数のコイル（Ｌ１，Ｌ２）を磁気結合させたコイル部品である。コイル部品（１）は、積層体（３）と、配線パターン（１０）と、配線パターン（２０）と、配線パターン（３０）とを備えている。配線パターン（２０）は、配線パターン（１０）の上層に積み重ねられ、コイル（Ｌ１，Ｌ２）の一部を構成する。配線パターン（３０）は、配線パターン（２０）の上層に積み重ねられ、コイル（Ｌ１，Ｌ２）の一部を構成する。配線パターン（２０）は、少なくとも１つの側面において当該側面から配線までの距離が、第１配線パターンおよび第３配線パターンに比べて長い。
Patent WO-2020040205-A1 (WO)
Title: Printing device
Inventor: KAKIGAHARA YUTAKA
IPC: B41J2/175
Filed: 2019-08-21
Abstract: Provided is a means which is less susceptible to the adverse effects of heat radiated by a fuser such as a heater positioned in the internal space of the housing of a printing device. This printing device 10 comprises: a housing 14; a transfer path 22 which is formed in the internal space of the housing 14 and through which a sheet passes in the transfer direction towards a discharge port 13; a printing head 24 which is positioned in the internal space of the housing 14, and which discharges ink onto a sheet that passes through the transfer path 22; and a heater 26 which has a halogen lamp 40, which is positioned in the internal space of the housing 14 on the transfer path 22 downstream of the printing head 24 in the transfer direction, and which heats the sheet onto which ink has been deposited. The shortest distance A between the heater 26 and the discharge port 13 is longer than the shortest distance B between the printing head 24 and the heater 26.
Patent WO-2020045454-A1 (WO)
Inventor: SAKAI TAKASHI
IPC: C08K5/37
Filed: 2019-08-27
Abstract: The present invention discloses a rubber composition which contains (A) an ethylene/α-olefin/non-conjugated polyene copolymer rubber that contains an ethylene unit, an α-olefin unit having 3 or more carbon atoms and a non-conjugated polyene unit, (B) an organic sulfur compound and (C) a crosslinking agent. The organic sulfur compound has: a mercapto group or a polysulfide bond; and an acidic functional group or an acid derivative group derived from an acidic functional group.
Patent WO-2021064984-A1 (WO)
Inventor: MORIKAWA YUDAI
IPC: F25B41/00
Filed: 2019-10-04
Abstract: This refrigeration cycle device has: a compressor that compresses and discharges a suctioned refrigerant; and a refrigerant pipe that circulates the refrigerant discharged from the compressor, wherein the refrigerant pipe has a wound pipe part that is spirally wound on an outer periphery of a sealed container that constitutes the outer profile of the compressor.
Patent WO-2020080177-A1 (WO)
Title: Information processing device, information processing method, and recording medium
Inventor: NISHIBE MITSURU
IPC: G06T19/00
Filed: 2019-10-08
Abstract: According to the present invention, even in a situation where an object to be presented is moving, the object can be presented as display information in a more suitable manner. This information processing device comprises: an acquisition unit (111) which acquires information about the movement of an object; and a control unit (111) which projects the object onto a display area at a projection timing set according to a first period, and corrects display information according to projection results at a plurality of the display timings set for each second period shorter than the first period, wherein the control unit controls correction of the second display information so as to maintain continuity according to the movement of the object between first display information displayed according to a first projection result of the object at a first display timing and second display information displayed according to a second projection result of the object at a second display timing immediately after the first display timing.
Patent WO-2020080302-A1 (WO)
Title: Ammonia chemical species elimination method using carbon dioxide, ammonia chemical species-supplying agent, and ammonia chemical species adsorption and elimination device
Inventor: TAKAHASHI AKIRA
IPC: C01C3/12
Filed: 2019-10-11
Abstract: Provided is an ammonia chemical species elimination method capable of eliminating ammonia chemical species adsorbed to a prussian blue derivative more simply at lower cost under milder conditions than when an aqueous solution of a salt or a strong acid is used, and more efficiently than when only water is used. This ammonia chemical species elimination method comprises an ammonia chemical species elimination step for bringing carbon dioxide and water into contact with a prussian blue derivative represented by general formula (1) and having ammonia chemical species adsorbed thereto to eliminate the ammonia chemical species. (1): A x M[M'(CN) 6 ] y ·zH 2 O, wherein x is 0-3, y is 0.1-1.5, z is 0-6, A represents cations of one or more of hydrogen, ammonium, alkali metals, and alkaline-earth metals, M and M' each independently represent cations of one or more of atoms having an atomic number of 3-83, excluding ammonium, alkali metals, and alkaline-earth metals.
Patent WO-2021075018-A1 (WO)
Inventor: KOSAKA YUKI
IPC: G16H20/00
Filed: 2019-10-17
Abstract: 本発明の情報処理装置１００は、対象者情報に基づいて、対象者が行う予定のリハビリテーションのメニューを表す予定メニューを算出する算出部１２１と、予定メニューを対象者のリハビリテーションを実施する実施者が操作する情報処理端末に修正可能なよう表示出力するよう制御する制御部１２２と、を備える。
Patent WO-2020095676-A1 (WO)
Inventor: NAKASHIMA HIROSHI
IPC: H04R7/02
Filed: 2019-10-23
Abstract: The present invention addresses the problem of providing a speaker diaphragm capable of easily controlling the anisotropy. A speaker diaphragm according to one aspect of the present invention contains a first polymer and a second polymer which are separated into phases. The first polymer is a polyolefin and the second polymer is a thermoplastic resin that is not compatible with the polyolefin. One of the polyolefin and the thermoplastic resin forms a sea phase 1a and the other forms island phases 1b dispersed in the sea phase 1a.
Patent WO-2020095951-A1 (WO)
Title: Acoustic processing method and acoustic processing system
Inventor: DAIDO RYUNOSUKE
IPC: G10L13/00
Filed: 2019-11-06
Abstract: This acoustic processing system is provided with: a learning processing unit that carries out additional learning of a learned synthesis model for generating, from condition data which represents a sound-generation condition, feature data which represents a feature of a sound generated under the sound-generation condition, by using first condition data representing the sound-generation condition identified from a sound signal and first feature data representing a feature of a sound represented by the sound signal; an instruction reception unit that receives an instruction for changing the sound-generation condition about the sound signal; and a synthesis processing unit that generates second feature data by inputting second condition data which represents the changed sound-generation condition into the synthesis model after the additional learning.
Patent WO-2020096022-A1 (WO)
Inventor: AOKI YOSHITAKA
IPC: B01J23/78
Filed: 2019-11-08
Abstract: The present invention relates to: a Co oxide material which is a Co oxide nanocluster having an atomic arrangement structure that is identical or similar to a γ-CoOOH-type atomic arrangement structure and also having an oxygen defect, wherein some of Co atoms in the nanocluster may be substituted by Fe and/or Ni; and a method for producing the Co oxide material. The Co oxide nanocluster has a particle diameter of 10 nm or less. The Co oxide material according to the present invention is a transition metal oxide catalyst having a higher OER activity. The present invention also provides a catalyst for air electrodes, a catalyst for water electrolysis anodes, an air electrode and an air secondary battery, in each of which the above-mentioned catalyst is used.
Patent WO-2020170511-A1 (WO)
Inventor: ISHIKAWA YASUHIRO
IPC: F16H45/02
Filed: 2019-11-08
Abstract: L'invention concerne un embrayage à verrouillage (4) comprenant : une pluralité de plaques de frottement radialement extérieures (42) venant en prise coulissante avec un tambour d'embrayage (44); une pluralité de plaques de frottement radialement intérieures (41) venant en prise coulissante avec un moyeu d'embrayage (45); un piston (43) pour exercer une pression sur les plaques de frottement radialement extérieures (42) et les plaques de frottement radialement intérieures (41) par déplacement dans la direction d'un axe de rotation X; un ressort (B2) pour appliquer, au piston (43), une force de sollicitation dans la direction de l'axe de rotation X; et un élément de plaque (49) pour supporter une extrémité (B2a) du ressort (B2), l'élément de plaque (49) venant en prise coulissante avec le moyeu d'embrayage (45) dans la direction de l'axe de rotation X.
Patent WO-2020105519-A1 (WO)
Inventor: HIROSE MASATOSHI
IPC: G03B21/14
Filed: 2019-11-13
Abstract: This projection system comprises a plurality of projectors for performing edge-blending, wherein each of the plurality of projectors is provided with a video display element (1), a light-blocking plate (4) for reducing the amount of light in an edge-overlapping portion of a light bundle emitted from the video display element (1), and an aperture stop (5) for varying the amount of light travelling from the video display element (1) to an object to be projected onto. When a circle formed by the outermost periphery of a light-passing region obtained when the aperture stop (5) is opened completely is defined as a reference circle, the aperture stop (5) partially masks the inside of the reference circle so that, in a state in which the aperture stop is narrowed to make the area of the light-passing region inside the reference circle half the reference circle, the outline of the reference circle appears divided in three or more.
Patent JP-WO2020065747-A1 (JP)
Title: 特典管理システム、特典管理装置、携帯端末および特典管理方法
IPC: G06Q30/02
Filed: 2018-09-26
Abstract: 領域を再度訪れる可能性が低いユーザーに対して特典を得るためのアクションを行うインセンティブを与え、かつ、領域を再度訪れることが可能なユーザーには、領域を再度訪れるインセンティブを適切に与えることができるようにする。特典管理サーバー２は、ユーザーが所定の領域で所定のアクションを行ったときに、所定の領域以外で使用可能な特典を付与する特典付与部１２と、所定の領域でユーザーに付与された特典について、所定の領域にユーザーが滞在しているときの方が、滞在していないときよりもレートが大きくなるように特典のレートを調整する特典調整部１３とを備え、所定の領域以外でも特典を使用可能としつつ、所定の領域で特典を使用したときに最も有利となるようにしている。
Patent JP-WO2018179396-A1 (JP)
Title: 冷蔵庫、冷蔵庫の制御方法、及びプログラム
IPC: F25B47/02
Filed: 2017-03-31
Abstract: 冷蔵庫（１）は、冷却器と、冷却器を加熱するヒータ（８０Ａ、８０Ｂ）と、冷却器の複数の箇所の温度又は温度変化率を検出する温度検出器（９０ＰＡ−９０ＲＢ）と、ヒータ（８０Ａ、８０Ｂ）それぞれの発熱量を制御する制御部（１００）と、を備える。制御部（１００）は、ヒータ（８０Ａ、８０Ｂ）の発熱を開始した後、温度検出器（９０ＰＡ−９０ＲＢ）が検出した温度又はその温度変化率から基準値を求め、求めた基準値と温度検出器（９０ＰＡ−９０ＲＢ）が検出した温度又はその温度変化率とを比較し、比較した温度又はその温度変化率が基準値以上である場合に、その温度を検出した温度検出器（９０ＰＡ−９０ＲＢ）が検出する箇所を加熱するヒータ（８０Ａ、８０Ｂ）の発熱量を小さく、又は発熱を停止させる。
Patent JP-WO2018186295-A1 (JP)
Title: 無機粒子分散体
IPC: C08K3/00
Filed: 2018-03-30
Abstract: 高い曳糸性を有する無機粒子分散体を提供する。本発明の一実施形態に係る無機粒子分散体は、無機粉末、親水性フュームドシリカ、及び水酸基を有する樹脂を有する。
Patent JP-WO2019107211-A1 (JP)
Title: 太陽電池素子
IPC: H01L31/068
Filed: 2018-11-20
Abstract: 太陽電池素子は、半導体基板と、パッシベーション層と、保護層と、電極層と、を備えている。パッシベーション層は、半導体基板の第１面の上に位置している。保護層は、パッシベーション層の上に位置している。電極層は、保護層の上に位置し、ガラス成分を含む。保護層は、電極層側の面に位置している複数の凸状部を有する。該複数の凸状部は、それぞれ電極層側において凹状部分を有する。該凹状部分の内部空間には、ガラス成分が位置している。
Patent JP-WO2019021428-A1 (JP)
Title: 冷凍空調装置及び制御装置
IPC: F25B1/00
Filed: 2017-07-27
Abstract: 冷凍空調装置は、圧縮機、凝縮器、膨張部及び蒸発器が配管により接続され、非共沸冷媒が循環する冷媒回路と、冷媒回路の低圧の非共沸冷媒の温度を検出する低圧温度センサと、冷媒回路の低圧を設定圧力に保つ点検条件で冷媒回路を動作させて、低圧温度センサが検出した温度を用いて非共沸冷媒の漏洩の有無を判定する点検モードを有する制御装置と、を備える。
Patent JP-WO2019031306-A1 (JP)
Title: 生成装置、再生装置、生成方法、再生方法、制御プログラム、記録媒体
IPC: H04N5/92
Filed: 2018-07-31
Abstract: ネットワークとクライアントに対する負荷を軽減させるような映像の高速再生を可能にする生成装置及び再生装置を実現する。上記の課題を解決するために、本発明の一態様に係る生成装置（１０）は、複数の視点又は視線方向の各々の部分映像を含む全体映像における、ある部分映像の再生に関するメタ情報を生成する情報生成部（１１１）と、一部のフレームが前記ある部分映像から間引かれた間引映像を示すデータを生成するデータ生成部（１１２）とを備える。また、本発明の一態様に係る再生装置（２０）は、複数の視点又は視線方向の各々の部分映像を含む全体映像における、ある部分映像の再生に関するメタ情報を参照して、該ある部分映像、又は、一部のフレームが該ある部分映像から間引かれた間引映像を再生する再生処理部（２１１）を備える。
Patent JP-WO2019058569-A1 (JP)
Title: 空気清浄機およびネットワークシステム
IPC: F24F11/58
Filed: 2017-12-28
Abstract: サーバ（１００）から運転内容に関する情報を受信するための通信インターフェース（２６０）と、サーバ（１００）との通信の一部または全部が停止したときに、運転内容に関する情報を初期化する、または運転内容に関する情報の取得に関する設定を初期化するためのプロセッサ（２１０）と、を備える空気清浄機（２００）が提供される。
Patent JP-WO2019074123-A1 (JP)
Title: 毛髪洗浄組成物
IPC: A61K8/41
Filed: 2018-10-12
Abstract: 操作性が改善された、塩基性染料及び／又はニトロ染料を含有する毛髪洗浄組成物を提供する。（Ａ−１）両性界面活性剤及び／又は（Ａ−２）アニオン性界面活性剤、並びに（Ｂ）塩基性染料及び／又はニトロ染料を含有する毛髪洗浄組成物。
Patent JP-WO2020245900-A1 (JP)
Title: 半導体装置
IPC: H02M7/48
Filed: 2019-06-04
Abstract: 半導体装置は、半導体スイッチング素子と、半導体スイッチング素子を駆動する駆動回路と、半導体スイッチング素子のスイッチング時に発生するサージ電圧を抑制するスナバ回路とを備える。駆動回路は、半導体スイッチング素子をスイッチングしたタイミングから所定時間が経過したタイミングで半導体スイッチング素子をスイッチングするように構成される。所定時間は、半導体スイッチング素子のスイッチングによって生じる電圧振動において電圧が増加するタイミングに基づいて設定される。
Patent JP-WO2019131050-A1 (JP)
Title: 物理量検出装置
IPC: G01F1/696
Filed: 2018-12-07
Abstract: 加熱状態の切り替え後の精度低下を低減できる。物理量検出装置は、発熱体を備え被計測流体の流量を測定する流量検出部と、発熱体の制御状態を発熱状態または発熱抑制状態のいずれかに切り替える発熱体制御部と、流量検出部の測定値を処理する信号処理部とを備え、信号処理部は、発熱体制御部が制御状態を切り替えると、切り替えの直後より所定の期間は切り替え前の流量検出部の測定値に基づき決定される推定値を処理する。
Patent JP-WO2019142660-A1 (JP)
Title: 画像処理装置および画像処理方法、並びにプログラム
IPC: G06T7/00
Filed: 2019-01-04
Abstract: 本開示は、より周辺状況を確認し易くすることができるようにする画像処理装置および画像処理方法、並びにプログラムに関する。 視点決定部は、任意の速度で移動可能な車両の速度に応じて、所定の視点から移動体を見た場合の移動体の周囲に関する視点画像の視点を決定する。そして、画像合成部は、車両の周囲が撮影された画像において車両が存在し得る位置に、車両のイメージ画像を合成し、射影変換部は、視点決定部により決定された視点からの見た目となる視点画像を、画像合成部により車両のイメージ画像が合成された画像を射影変換することで生成する。本技術は、例えば、車両に搭載される画像処理装置に適用できる。
Patent WO-2020250476-A1 (WO)
Inventor: SAIGO HIROFUMI
IPC: B65H23/038
Filed: 2020-01-20
Abstract: [Problem] To provide a method, etc., for manufacturing an optical film, in which curl that occurs in a widthwise end of an optical film is corrected, and it is thereby possible to precisely detect the position of the end of the optical film and to effectively prevent meandering of the optical film. [Solution] The present invention includes: a curl correction step S1 for correcting, through use of a curl correction device 20, a curl C that occurs in a widthwise end of an optical film F1 conveyed in the longitudinal direction thereof; a widthwise end position detection step S2 for detecting, through use of a position detection device 30, the position of the widthwise end of the optical film that has undergone the curl correction step; and a widthwise conveyance position adjustment step S3 for adjusting, through use of a position adjustment device 40, the conveyance position of the optical film in the width direction thereof, on the basis of the position of the widthwise end of the optical film detected by the widthwise end position detection step.