baber/WOPTO huggingface dataset:
Patent JP-WO2019116696-A1 (JP)
Title: 半導体装置
IPC: H01L29/739
Filed: 2018-10-05
Abstract: トランジスタ部とダイオード部とを有する半導体装置であって、半導体基板の上面の上方に設けられたゲート金属層と、半導体基板の上面の上方に設けられたエミッタ電極と、トランジスタ部において半導体基板の上面側に設けられた第１導電型のエミッタ領域と、トランジスタ部において半導体基板の上面側に設けられ、ゲート金属層と電気的に接続され、エミッタ領域と接するゲートトレンチ部と、ダイオード部において半導体基板の上面側に設けられ、エミッタ電極と電気的に接続されたエミッタトレンチ部と、半導体基板の上面側に設けられ、ゲート金属層と電気的に接続され、エミッタ領域と接していないダミートレンチ部とを備える半導体装置を提供する。
Patent JP-WO2019117148-A1 (JP)
Title: スルホンアミド誘導体またはその薬学的に許容される酸付加塩
IPC: C07D239/10
Filed: 2018-12-11
Abstract: 本発明は、ナルコレプシー等の予防または治療剤として有用であると期待されるオレキシン受容体作動活性を示す新規低分子化合物を提供することを目的とする。本発明は、オレキシン受容体作動活性を有する式（Ｉ）：（式中の各記号は明細書に記載のものと同義である）で示される化合物またはその薬学的に許容される酸付加塩、および当該化合物またはその薬学的に許容される酸付加塩を含有するオレキシン受容体作動薬を提供する。
Patent WO-2020158823-A1 (WO)
Inventor: ANDO KEISUKE
IPC: C22C38/00
Filed: 2020-01-29
Abstract: 引張強度を確保しつつ、連続鋳造時の表面割れ発生を抑制でき、製造性を飛躍的に向上し得る突起付きＨ形鋼をその製造方法と共に提供する。　Ｃ：0.05～0.20質量％、Si：0.05～0.60質量％、Mn：1.20～1.70質量％、Ｐ：0.035質量％以下、Ｓ：0.035質量％以下、Nb：0.005～0.050質量％、Ｖ：0.005～0.050質量％、Ti：0.005～0.030質量％およびＮ：0.0020～0.0100質量％を、(［％S］/32)/(［％Ti］/48)+4×(［％N］/14)/(［％Ti］/48)≦15.0を満足する範囲で含有し、残部がFeおよび不可避的不純物からなる鋼組成とし、引張強さが490MPa以上、降伏強度が355MPa以上、かつ０℃における衝撃吸収エネルギーvE0が27Ｊ以上とする。
Patent WO-2020179297-A1 (WO)
Inventor: KIMURA KEIJI
IPC: B61L27/00
Filed: 2020-01-30
Abstract: The purpose is to generate, in a transportation facility using a vehicle, an operation plan of the vehicle appropriately in consideration of both improvement of service and maintenance costs of equipment mounted on the vehicle.　An operation plan generation device generates an operation plan of a vehicle in a transportation facility, predicts carrying capacity of the vehicle when the vehicle is operated in accordance with the operation plan, obtains, on the basis of the predicted carrying capacity, a planned exhaustion degree as a future exhaustion degree of equipment provided in the vehicle and a predicted exhaustion degree as a future exhaustion degree of equipment required on the basis of a demand of the vehicle, and generates the operation plan so as to reduce divergence between the predicted exhaustion degree and the planned exhaustion degree. The operation plan generation device generates the operation plan so as to reduce the divergence when the divergence between the predicted exhaustion degree and the planned exhaustion degree exceeds a threshold value set in advance. Further, the operation plan generation device generates the operation plan so as to level divergence of equipment provided to respective vehicles as generation targets of the operation plan as a whole.
Patent WO-2021152866-A1 (WO)
Inventor: TAKAISHI ISAO
IPC: F03D80/00
Filed: 2020-01-30
Abstract: L'invention concerne un générateur éolien à axe horizontal pourvu d'une turbine avant au vent et d'une turbine arrière sous le vent qui tournent en contre-rotation. Dans ledit générateur éolien : l'arbre, et un plateau tournant auquel est fixée la turbine avant au vent sont directement couplés ; l'arbre est directement couplé à un rotor de générateur ayant des aimants permanents ; l'arbre est supporté, dans deux positions avant/arrière, sur un palier d'extrémité au vent et un palier d'extrémité sous le vent dans un carter fixe et tourne de manière unitaire avec ceux-ci ; un tuyau conducteur, et un plateau tournant auquel la turbine arrière sous le vent est fixée sont directement couplés ; le tuyau conducteur est directement couplé à un stator de générateur ayant une bobine ; et le tuyau conducteur est pris en sandwich entre des paliers externe et interne du palier d'extrémité sous le vent dans le carter fixe et tourne de manière unitaire avec ceux-ci.
Patent WO-2020170857-A1 (WO)
Inventor: ITO TATSUNORI
IPC: A61B5/022
Filed: 2020-02-07
Abstract: L'invention concerne un appareil de prise en charge d'analyse de valeurs de pression artérielle grâce auquel, parmi des données chronologiques de pression artérielle, un segment à utiliser dans l'analyse de données de pression artérielle et un segment à ne pas utiliser dans l'analyse peuvent être convenablement définis. Un appareil de prise en charge d'analyse de valeurs de pression artérielle (300) est pourvu d'une unité de détermination de niveau de confiance à un seul battement (351) et d'une unité de réglage de segments (352). L'unité de détermination de niveau de confiance à un seul battement (351) détermine le niveau de confiance de la valeur de pression artérielle pour chaque battement individuel dans un état comprenant un premier niveau de confiance et un second niveau de confiance, inférieur au premier niveau de confiance, en fonction d'informations représentant une perturbation. L'unité de réglage de segments (352) définit un segment valide et un segment invalide pour les données chronologiques de pression artérielle, en fonction du résultat de détermination de niveau de confiance. Pour les données chronologiques de pression artérielle, l'unité de réglage de segments (352) comprend un segment dont le premier niveau de confiance est dans un segment valide et comprend un segment dont le second niveau de confiance est dans un segment invalide. Pour un segment invalide où la longueur d'une période continue est inférieure à une première valeur de seuil définie à l'avance, l'unité de réglage de segments (352) fait du segment un segment valide.
Patent WO-2020195293-A1 (WO)
Inventor: HASHIMOTO JUNICHI
IPC: G03G15/08
Filed: 2020-02-13
Abstract: The developing cartridge includes a casing 10, a developing roller 30, and a first inclined surface 61a. The first inclined surface 61a is positioned at an outer surface of one end portion of the casing 10 in the second direction. The first inclined surface 61a is fixed to the casing 10 and is inclined relative to the first direction. The first inclined surface 61a is movable in the first direction relative to the photosensitive drum 21 between a first position and a second position together with the casing 10 and the developing roller 30 in a state where the developing cartridge 1 is attached to a drum cartridge 2. In a state where the first inclined surface 61a is at the first position, the developing roller 30 is in contact with the photosensitive drum 21. In a state where the first inclined surface 61a is at the second position, the developing roller 30 is in separation from the photosensitive drum.
Patent WO-2021166060-A1 (WO)
Title: Estimation device, method, and program
Inventor: ABE NAOTO
IPC: G06N20/00
Filed: 2020-02-18
Abstract: An estimation device according to an embodiment comprises: an acquisition unit which acquires information indicating that an event is occurring at a given location, together with the type of event, information indicating whether the acquired information is information determined by a user or information detected by a sensor, and accuracy indicating the veracity of the acquired information; a first estimation unit which estimates the probability that a prescribed event is actually occurring, on the basis of the accuracy of information determined by the user, the frequency of occurrence of this information, the accuracy of information detected by the sensor, and the frequency of occurrence of this information, as acquired by the acquisition unit; and a second estimation unit which estimates whether or not the prescribed event is actually occurring, on the basis of the probability estimated by the first estimation unit and a threshold value.
Patent WO-2020171156-A1 (WO)
Inventor: HASHIMOTO SHIGETAKA
IPC: B23C9/00
Filed: 2020-02-20
Abstract: ホルダは、中心軸に沿って、第１端から第２端に向かって延びた棒形状の本体と、外部接続用の第１端子と、センサと、１又は複数の配線と、を有する。本体は、第１端の側に位置するポケットと、第１端から第２端にかけて延びた第１側面と、を有する。ポケットには、切刃を有するインサートを取り付けることが可能である。第１端子は、第１側面に位置する。センサは、第１端子よりもポケットの近くに位置して、本体の状態を測定することが可能である。１又は複数の配線は、センサ及び第１端子に接続される。
Patent WO-2020208949-A1 (WO)
Inventor: OTO TAKASHI
IPC: H01M8/0438
Filed: 2020-02-20
Abstract: 水素システムは、水電解セルを含む水電解装置と、水電解装置で生成された水素含有ガスを昇圧する電気化学式水素ポンプと、水電解装置で生成された水素含有ガスを電気化学式水素ポンプに供給するガス流路と、水電解セルの排熱を回収した液体の第１熱媒体が流れる第１流路と、を備える。電気化学式水素ポンプは、水電解セルの排熱を回収した後の第１熱媒体と熱交換可能に構成されている。
Patent WO-2021171417-A1 (WO)
Inventor: KOMEIJI SHUJI
IPC: G10L15/04
Filed: 2020-02-26
Abstract: This utterance end detection device (2000) acquires source data 10 that represents a voice signal including one or more utterances. The utterance end detection device (2000) converts the source data into text data (30). The utterance end detection device (2000) analyzes the text data (30) and thus detects the end of each of the utterances included in the voice signal represented by the source data (10).
Patent WO-2020217725-A1 (WO)
Inventor: SASAKI SHUNSUKE
IPC: B21C37/29
Filed: 2020-03-04
Abstract: 管材又は棒材の外径縮径圧延と矯正圧延とを高速かつ高精度で行うことが可能な圧延矯正機を提供する。　本発明の圧延矯正機１は、管材又は棒材のパスライン５を挟んで配置された２つ以上のロール２ａ、２ｂを備え、２つ以上のロール２ａ、２ｂに挟まれる間隙は、圧延矯正機１の上流側から下流側に向けて縮径する外径縮径圧延部３と、外径縮径圧延部３の出側から圧延矯正機１の下流側に向けて連続する矯正圧延部４と、によって画定され、各ロール２ａ、２ｂの形状は、外径縮径圧延部３において、パスライン５を軸として対称に構成され、矯正圧延部４において、外径縮径圧延部３におけるパスライン５に対して非対称に構成される。
Patent WO-2020203072-A1 (WO)
Title: Ultrasonic transceiver
Inventor: ISHIZAKI Yudai
IPC: H04R17/00
Filed: 2020-03-09
Abstract: The present invention includes: a conductive case (3); a piezoelectric material (1) that has a piezoelectric electrode (2b); and an adhesive member (4) that adheres the case (3) to the piezoelectric material (1). The adhesive member (4) includes an adhesive (6) and conductive particles (5) and ensures electrical continuity between the case (3) and the piezoelectric electrode, and the thickness of the adhesive layer formed by the adhesive member (4) provided between the case (3) and the piezoelectric electrode (2b) is equal to or less than the particle size of the conductive particles (5). Due to this configuration, electrical continuity can be ensured when the proportion of the conductive particles (5) in the adhesive layer is low, a predetermined adhesive strength can be ensured by increasing the proportion of the adhesive (6), and the thickness of the adhesive layer can be stabilized by the conductive particles (5) serving as spacers.
Patent WO-2021192030-A1 (WO)
Title: 熱交換器、空気調和装置、及び、熱交換器の製造方法
Inventor: SATO KANA
IPC: F28F9/013
Filed: 2020-03-24
Abstract: 伝熱管を覆うホルダーを備えた熱交換器。熱交換器は、複数のフィン（１２）と、複数のフィンを貫通している伝熱管（１４）と、複数のフィンのうち、最も端のフィンの隣に配置され、伝熱管が貫通している固定板（１３）と、固定板に取り付けられ、固定板から突出する伝熱管を覆うホルダー（１７）と、を有し、ホルダーと、固定板との間に、断熱材（１８）が充填されている。
Patent WO-2020196724-A1 (WO)
Title: Composition for transplanting bacterial flora, production method thereof, transplantation instrument, and transplantation method
Inventor: SUNG Youngsoon
IPC: A61K35/741
Filed: 2020-03-26
Abstract: [Problem] Provided are: a composition for transplanting bacterial flora suitable for an animal such as a pet; a production method thereof; a transplantation instrument; and a transplantation method. [Solution] A transplantation method according to the present invention comprises: a filtration step S01 for filtering a turbid liquid 2 including feces obtained from an animal A1; an extraction step S02 for extracting bacterial flora 42 from feces bacterial flora materials by means of centrifugation; a coloring step S03 for adding a dye material 6 to the bacterial flora 42 to produce a composition 5 for transplanting bacterial flora; a storage step S04 for storing, in a transplantation instrument 7, the composition 5 for transplanting bacterial flora; and an injection step S05 for injecting the composition 5 for transplanting bacterial flora through the transplantation instrument 7. The transplantation instrument 7 used herein is provided with: a storage part 7a having a shape in which the composition 5 for transplanting bacterial flora can be stored and compressed; and a tubular injection part 7b connected to the storage part 7a.
Patent WO-2020196818-A1 (WO)
Title: 細胞培養教育システム及び方法
Inventor: TANEMURA HIDEKI
IPC: G09B9/00
Filed: 2020-03-27
Abstract: 本発明は、仮想現実（ＶＲ）技術を適用して、幹細胞培養に関する技術を取得、習熟するためのシステム及び方法の提供を目的としている。そのため、本発明の細胞培養教育システム（１００）は、被験者（Ｅ）の位置、姿勢、動作を計測する計測装置（１０：グローブ１、ゴーグル２、カメラ３等）と、制御装置（２０）とを含み、制御装置（２０）は、計測装置（１０）からの情報から被験者（Ｅ）の位置、姿勢、動作を演算、作成し、それを仮想現実に表示する機能と、細胞培養技術のプロトコルに基づいた（位置、姿勢、動作等の）データから、被験者（Ｅ）（の身長等）に応じて修正し、被験者（Ｅ）がプロトコルに従った場合の位置、姿勢、動作を演算してデータ（位置、姿勢、動作等）を作成する機能と、被験者（Ｅ）の位置、姿勢、動作とプロトコルに沿ったデータとを比較する機能を有する。
Patent WO-2020235385-A1 (WO)
Inventor: TSUKUDA YUKI
IPC: B60W30/09
Filed: 2020-05-12
Abstract: The present invention provides a vehicle control device that gives optimal assistance for giving psychological composure and avoiding contact and wheel-drop when a driver himself drives a vehicle through a narrow road in which the vehicle is traveling. A vehicle control device (1) according to the present invention is characterized by having: a three-dimensional information acquisition unit (4) that acquires three-dimensional information of a traveling area of a host vehicle (50); a passing margin area calculation unit (5) that calculates a passing margin area set around the host vehicle on the basis of the three-dimensional information of the traveling area; and a passing ability determination unit (6) that calculates a pass-able width through which the host vehicle can physically pass on the basis of the three-dimensional information of the traveling area, and determines whether the host vehicle can pass through the traveling area by using information about the pass-able width, the lateral width of the vehicle, and the passing margin area.
Patent WO-2021229724-A1 (WO)
Title: Integration device, data table integration method, and program
Inventor: YOKOYAMA HARUMICHI
IPC: G06F16/20
Filed: 2020-05-13
Abstract: It is determined whether each data element in a first data table among two data tables is unique, said data tables including, as single rows of information, data elements that can be subjected to at least a greater than/less than comparison. If each data element is unique, a lower limit position is specified, said lower limit position being where a row of the second data table can be added, in compliance with ascending order sorting, to the lowest row of the ascending order-sorted first data table. If the data element of a row of the second table matches the data element of the next row, in the ascending order sorting, after the lower limit position in the ascending order-sorted first data table, said lower limit position having been specified using said data element of said row, then an integrated data table in which an integration target row indicating said data elements is integrated is generated.
Patent WO-2020235624-A1 (WO)
Inventor: ONO SATORU
IPC: B60R13/02
Filed: 2020-05-21
Abstract: This laser weldable hook-and-loop fastener includes a laser-light-transmissive male molded hook-and-loop fastener (A) and a laser light absorption layer (B) that comprises a thermoplastic resin and that is integrated with the reverse of the male molded hook-and-loop fastener (A), wherein: the male molded hook-and-loop fastener (A) has a substrate and a large number of male engagement elements standing upright from the obverse of the substrate; the male engagement elements and the substrate are formed from the same resin selected from polyester elastomers and polyamides; the male engagement elements are arrayed in a row; and the absorption rate of infrared light with a wavelength of 980 nm is not less than 85% for the laser light absorption layer (B). The laser weldable hook-and-loop fastener is suitable for performing welding, by using laser light, on the reverse of an automobile interior material such as a ceiling material and a floor material.
Patent WO-2021053891-A1 (WO)
Title: Radiographic imaging device and radiographic treatment device
Inventor: BABA RIKA
IPC: A61B6/03
Filed: 2020-06-04
Abstract: The purpose of the present invention is to reduce artifacts of a tomographic image of a subject which includes a site to be treated that moves periodically. This radiographic imaging device comprises a gantry which is equipped with two sets of a radiation source and detector pair and which rotates the radiation sources and the detectors around a subject, and a reconstruction unit which reconstructs a tomographic image of the subject on the basis of a plurality of projection images generated from output of the detectors, the radiographic imaging device is characterized by further comprising a phase calculation unit that calculates the phase of movement on the basis of the periodical movement of the subject, a dividing unit that divides, into phases, a first projection image group which is the plurality of projection images obtained by a first set and a second projection image group which is the plurality of projection images obtained by a second set, and a condition setting unit that sets imaging conditions such that the first projection image group and the second projection image group divided into the same phase supplement each other between projection angles thereof, wherein the reconstruction unit reconstructs the tomographic image using the first projection image group and the second projection image group divided into the same phase.
Patent WO-2021260941-A1 (WO)
Title: サーバ装置、端末、システム、サーバ装置の制御方法及び記憶媒体
Inventor: OTANI TAKUMI
IPC: G06Q50/26
Filed: 2020-06-26
Abstract: 高い精度の生体認証を実現するサーバ装置を提供する。サーバ装置は、受信部と、処理部と、を備える。受信部は、少なくとも１以上の端末から認証要求を受信する。処理部は、複数の利用者それぞれの生体情報を記憶するデータベースを参照し、認証要求を処理する。処理部は、認証要求を送信する端末が予め定められた種類の端末である場合、複数の生体情報のうち一部の生体情報を用いて認証要求を処理する。
Patent WO-2021020535-A1 (WO)
Inventor: YOSHIDA TAKATSUNE
IPC: C07K14/485
Filed: 2020-07-30
Abstract: Provided is a pharmaceutical composition that can be otically administered without a complicated procedure, and that has the function of retaining and gradually releasing a medication within the ear. The pharmaceutical composition for otic administration contains one or more types of medication and a polymer, and has complex viscosity properties wherein, when the complex viscosity of the pharmaceutical composition is measured using a rheometer under conditions of 5% shear strain and 50 rad/sec angular frequency while heating the temperature from 25°C to 37°C at a heating rate of 1°C/10 sec, the complex viscosity is less than 1,650 mPa·s when at 25°C and is 1,650 mPa·s to 100,000 mPa·s, inclusive, at 10 minutes after reaching 37°C.
Patent WO-2022024367-A1 (WO)
Inventor: TOMITA Rina
IPC: G06Q10/08
Filed: 2020-07-31
Abstract: Provided is a technology for efficiently acquiring high-quality learning data relating to commodities, and generating a learning model with high detection accuracy in a store.　A learning model generation device 30 is provided with: an inventory information acquisition unit 31 for acquiring, from a POS terminal in a store, inventory information including an inventory quantity of commodities for which a payment is made; an image acquisition unit 32 for acquiring an image of a showcase of the commodities in the store; and a model generation unit 33 for generating a model to estimate the number of commodities from the image on the basis of the image and the inventory quantity of the commodities.
Patent WO-2022029847-A1 (WO)
Title: Turbulence prediction system and turbulence prediction method
Inventor: MATSUMOTO AYAKO
IPC: G01W1/10
Filed: 2020-08-03
Abstract: The problem addressed by the present invention is solved by a turbulence prediction system or a turbulence prediction method which creates a plurality of items of turbulence prediction pattern data associated with discretionary meteorological parameters on the basis of meteorological data for said discretionary meteorological parameters at a location at which turbulence occurred in the past, creates meteorological data for determination on the basis of meteorological data associated with the discretionary meteorological parameters for a prediction area at a determination time, calculates the parts of the meteorological data for determination and the parts of the plurality of items of turbulence prediction pattern data which have a high degree of similarity, and determines that the sites having a high degree of similarity are locations at which turbulence is likely to occur in the prediction area.
Patent WO-2021065361-A1 (WO)
Title: Dispositif de palier et machine-outil
Inventor: HASHIZUME SHOHEI
IPC: F16C37/00
Filed: 2020-09-07
Abstract: Ce dispositif de palier (100) comprend un palier (3), un capteur de flux de chaleur (4), une première partie de support (1) et une seconde partie de support (2). Le palier (3) est destiné à supporter un élément rotatif (8). Le capteur de flux de chaleur (4) détecte le flux de chaleur. La première partie de support (1) supporte le capteur de flux de chaleur (4). La seconde partie de support (2) supporte le palier (3). La première partie de support (1) est fixée à la seconde partie de support (2). La première partie de support (1) a une conductivité thermique supérieure à celle de la seconde partie de support (2).
Patent WO-2021054440-A1 (WO)
Inventor: FUJIEDA SHIGEHARU
IPC: A61K31/726
Filed: 2020-09-18
Abstract: 本発明は、多硫酸化コンドロイチン硫酸、コンドロイチン硫酸、デルマタン硫酸、ケラタン硫酸、ヘパラン硫酸、デキストラン硫酸、ペントサンポリ硫酸（ＰＰＳ）、コンドロイチン、グルコマンナン、イヌリン、およびキシロオリゴ糖から選択される多糖又はその塩を有効成分とする鼻茸縮小剤、医薬組成物、鼻茸縮小方法、または鼻茸の予防／治療方法に関する。　本発明によれば、有効かつ安全な鼻茸縮小剤を提供することができる。
Patent WO-2021060183-A1 (WO)
Inventor: DHAMRIN MARWAN
IPC: H01L31/0224
Filed: 2020-09-18
Abstract: 本発明は、太陽電池用アルミニウムペーストにおいて、シリコンを含有する場合でも太陽電池の変換効率の低下が抑制されている太陽電池用アルミニウムペーストを提供する。　本発明は、具体的には、アルミニウムとシリコンとストロンチウムとを含有し、前記アルミニウムと前記シリコンと前記ストロンチウムの合計質量を１００質量％とした場合に、前記シリコンの含有量が１質量％以上６０質量％以下、前記ストロンチウムの含有量が０．００１質量％以上１０質量％以下、残部が前記アルミニウムであることを特徴とする、太陽電池用アルミニウムペーストを提供する。
Patent WO-2021065818-A1 (WO)
Title: Antenna device and vehicle
Inventor: UEJIMA HIROYUKI
IPC: B60R11/02
Filed: 2020-09-28
Abstract: This antenna device comprises an antenna element disposed in a recess 2 on the exterior of a moving body, and a non-feeding element of which the center is disposed at a position higher than the horizontal plane in which the center of the antenna element is positioned in the recess. In the antenna device, furthermore, the moving body is a vehicle, and the recess may be provided in a roof 1 of the vehicle.
Patent WO-2021070714-A1 (WO)
Inventor: MORIUCHI MASATO
IPC: C08G73/10
Filed: 2020-09-30
Abstract: 放射線等の照射によって化学変化を起こす光配向法による配向処理の場合でも、過酷な環境下での電圧保持率が高く、且つ液晶配向性が良好で、かつ、ＩＰＳやＦＦＳ方式の液晶表示素子で発生する焼き付きが抑制できる液晶表示素子を得るための液晶配向剤、液晶配向膜、液晶表示素子を提供する　下記式（１）で表される構造を２つ以上有する芳香族化合物を含有することを特徴とする。 （Ｒは、水素原子又はメチル基である。ベンゼン環上の任意の水素原子は、ヒドロキシ基、ハロゲン原子、炭素数１～６のアルキル基、炭素数１～６のアルコキシ基又はフッ素原子を含有する炭素数１～６の１価の有機基により置換されていてもよい。）
Patent WO-2021066061-A1 (WO)
Inventor: MIZOSHIRI SHINYA
IPC: H03K7/08
Filed: 2020-09-30
Abstract: This class-D amplifier is equipped with: a gain control unit that amplifies an inputted audio signal in accordance with a compensation gain to generate an input signal Vin; and a pulse width modulator that generates, in a first input range A1 where the value of the input value Vin is higher than a first boundary Vb1, a first pulse Vp having a pulse width that changes in accordance with the input signal Vin, and that generates, in a second input range A2 that partially overlaps the first input range A1 and where the value of the input signal Vin is lower than a second boundary Vb2, a second pulse Vn having a pulse width that changes in accordance with the input signal Vin. The gain control unit controls the compensation gain such that the slope of the input/output characteristics of the class-D amplifier in a first section where the pulse width modulator outputs both the first pulse Vp and the second pulse Vn approaches the slope of the input/output characteristics in a second section outside the first section.
Patent WO-2021066067-A1 (WO)
Inventor: TAMORI HIROYUKI
IPC: F02F1/20
Filed: 2020-09-30
Abstract: This sliding structure is for an internal engine having a cylinder and a piston, wherein: the cylinder has a plurality of indentations formed in a stroke center region that covers the whole or part of an inner wall surface of the cylinder between a bottom surface position of the ring groove of the lowermost piston ring at top dead center of the piston and a top surface position of the ring groove of the uppermost piston ring at bottom dead center of the piston; and at least part of the surface of this stroke center region that comes into contact with the piston rings is formed in such a manner as to have a central low-roughness region where a contour curve as measured with a probe-type surface roughness tester has an arithmetic mean roughness Ra of 0.140 µm or lower. Consequently, this configuration achieves higher fuel efficiency in relation to the dimple liner technique.