baber/WOPTO huggingface dataset:
Patent JP-WO2020067058-A1 (JP)
Title: 繊維強化樹脂成形材料および成形品
IPC: C08J5/06
Filed: 2019-09-24
Abstract: チョップド繊維束にマトリックス樹脂を含浸させてなり、厚み方向において３層以上の積層構成を有し、最外層のチョップド繊維束の数平均繊維長Ｌａｏおよび数平均繊維束幅Ｗａｏと、中央層のチョップド繊維束の数平均繊維長Ｌａｍ、および数平均繊維束幅Ｗａｍが、Ｌａｏ＞ＬａｍおよびＷａｏ＞Ｗａｍの関係を満たす繊維強化樹脂成形材料。また、チョップド繊維束にマトリックス樹脂を含浸させてなり、厚み方向において３層以上の積層構成を有し、最外層のチョップド繊維束の数平均繊維長Ｌａｏおよび数平均繊維束厚みＴａｏと、中央層のチョップド繊維束の数平均繊維長Ｌａｍおよび数平均繊維束厚みＴａｍが、Ｌａｏ＞ＬａｍおよびＴａｏ＞Ｔａｍを満たす繊維強化樹脂成形材料。繊維教科樹脂成形材料とした場合に優れた流動性を発現し、成形品とした場合に優れた力学特性（特に強度）を発現する、繊維強化樹脂成形材料および成形品を提供する。
Patent JP-WO2020067059-A1 (JP)
Title: 半導体装置、電力変換装置、及び半導体装置の製造方法
IPC: H01L21/60
Filed: 2019-09-24
Abstract: 半導体素子の上に形成された電極と板状部材とがはんだで接続された半導体装置において、飛散したはんだが、半導体素子の上に形成されたワイヤ配線用の電極へ付着することを抑制する半導体装置が得られる。半導体装置は、基板（１０）と、基板（１０）の上に配置された半導体素子（２１）と、半導体素子（２１）と電気的に接続される板状部材（５１）と、半導体素子（２１）の上に形成され、板状部材（５１）とはんだ（４１）により接合される第一電極（２１ａ）と、半導体素子（２１）の上に第一電極（２１ａ）と離間して形成され、はんだ（４１）と合金形成可能な金属を含む第二電極（２１ｂ）と、板状部材（５１）から半導体素子（２１）を見た平面視において、第二電極（２１ｂ）から見て第一電極（２１ａ）側の領域に第二電極（２１ｂ）と離間して半導体素子（２１）の上に形成され、はんだ（４１）と合金形成可能な金属を含む金属膜（２１ｃ）と、を備える。
Patent JP-WO2020129423-A1 (JP)
Title: 位置検出装置及び方法
IPC: B60L3/00
Filed: 2019-10-30
Abstract: 軌道の各曲線区間の各地点における移動体のロール方向及びヨー方向の傾き及び加速度と、軌道の各勾配区間の各地点における移動体のピッチ方向の傾き及び加速度との少なくとも一方が格納された第１の記憶装置を設け、軌道上を所定パターンで走行する移動体のロール方向及びヨー方向の傾き及び加速度と、ピッチ方向の傾き及び加速度との少なくとも一方を計測し、計測結果を、第１の記憶装置に格納された各地点における移動体のロール方向及び前記ヨー方向の傾き及び加速度や、ピッチ方向の傾き及び加速度とそれぞれ比較して移動体の位置又は当該移動体が位置する前記軌道上の位置を検出するようにした。
Patent WO-2022014077-A1 (WO)
Title: Endoscope system and method for operating same
Inventor: DEMURA TAKANORI
IPC: A61B1/045
Filed: 2021-02-12
Abstract: The purpose of the present invention is to provide: an endoscope system which, when alerting oversight of a lesion candidate region, can issue an oversight prevention alert which a user who is observing an observation image on a display can easily notice; and a method for operating the same.　In this invention, an image comparison process for a first lesion candidate image obtained during first observation and a second lesion candidate image obtained during second observation is performed. When it is determined that a lesion candidate region is overlooked on the basis of the result of the image comparison process, a new sub-screen (18b) appears automatically on a display (18). In the sub-screen (18b), the first lesion candidate image stored in a captured image storage memory (70) is automatically displayed.
Patent WO-2021192724-A1 (WO)
Title: 撮像装置、撮像方法
Inventor: ITO MASANOBU
IPC: G03B17/18
Filed: 2021-02-15
Abstract: 撮像装置は、鏡筒本体に対して、少なくとも１以上のレンズを保持する筒体が手動操作により収納状態と繰り出し状態をとることができる沈胴型筒体を有するレンズ鏡筒を装着可能なカメラ本体と、カメラ本体に装着されたレンズ鏡筒が収納状態であることを検知した場合、撮像装置の状態を示す情報の表示を実行させる制御を行う制御部とを備えるようにする。
Patent WO-2021182030-A1 (WO)
Title: Optical multilayer body
Inventor: SIM JAEHO
IPC: H05B33/02
Filed: 2021-02-16
Abstract: The present invention provides an optical multilayer body which is capable of suppressing the occurrence of a crack even in cases where the optical multilayer body is bent. This optical multilayer body is sequentially provided with a circularly polarizing plate 60 and a second adhesive layer 70 in this order. In a cross section of the optical multilayer body along the stacking direction, if θ is the angle between the interface L between the circularly polarizing plate 60 and the second adhesive layer 70 and the tangent line P at the interface L in the end face EF of the circularly polarizing plate 60, θ ≥ 80° is satisfied.
Patent WO-2022176097-A1 (WO)
Inventor: OKADA KAZUHIRO
IPC: G01L3/10
Filed: 2021-02-18
Abstract: This torque sensor comprises a first structure, a second structure, a strain body, a first-structure Y-axis connection part, a second-structure X-axis connection part, a detection element, and a detection circuit. The first-structure Y-axis connection part is provided on the positive and negative Y-axis sides of the strain body, and the second-structure X-axis connection part is disposed on the positive and negative X-axis sides of the second structure. The strain body comprises four deformation bodies that comprise displacement parts that are displaced in the Z-axis direction by elastic deformation. First, second, third, and fourth quadrants each have a deformation body disposed therein. The detection element comprises a capacitive element for detecting capacitance value variation resulting from the displacement in the Z-axis direction of the displacement parts of the deformation bodies.
Patent WO-2021172307-A1 (WO)
Inventor: MORIWAKI YUYA
IPC: C08L33/14
Filed: 2021-02-24
Abstract: The present invention provides a thermosetting resin composition with extremely high versatility, said thermosetting resin composition being highly reactive, while being adaptable to various curing conditions. A thermosetting resin composition which is characterized by containing (A) a resin component having a hydroxyl group and a -COOR moiety (wherein R represents an alkyl group having 50 or less carbon atoms) and (B) a transesterification catalyst, and which is also characterized by having a curing initiation temperature of 130°C or less and a gel fraction of 80% or more as cured by 30-minute baking at 150°C.
Patent WO-2021182099-A1 (WO)
Title: Vacuum multilayered glass panel
Inventor: TAKEUCHI AKITO
IPC: C03C27/06
Filed: 2021-02-24
Abstract: This vacuum multilayered glass panel 10 comprises a first glass plate 11, a second glass plate 12, a sealing part which forms a vacuum-sealed gap 13 between the first glass plate 11 and the second glass plate 12, and a plurality of columns 16 which are disposed between the first glass plate 11 and the second glass plate 12. The column 16 has abutting surfaces 21 which abut on the facing surfaces 17 and 18 of the first glass plate 11 and the second glass plate 12, and non-contact portions 23 which are formed around the abutting surfaces 21 and separated from the facing surfaces 17 and 18 of the first glass plate 11 and the second glass plate 12. The non-contact portions 23 are configured so that, when the first glass plate 11 or the second glass plate 12 facing thereto is deformed by the application of a first external force, then the non-contact portions 23 can at least partially abut on the deformed first glass plate 11 or second glass plate 12.
Patent WO-2022180821-A1 (WO)
Inventor: ONO HIDEKI
IPC: F25B7/00
Filed: 2021-02-26
Abstract: 冷凍サイクル装置（１００）は、第１冷媒回路（ＲＣ１）と、第２冷媒回路（ＲＣ２）と、第１冷媒回路（ＲＣ１）の凝縮器（１２）の第１冷媒と第２冷媒回路（ＲＣ２）の蒸発器（２３）の第２冷媒との間で熱交換を行なう熱交換器（３０）と、制御装置（４０）と、を備える。制御装置（４０）は、第１冷媒の蒸発温度および第１冷媒回路（ＲＣ１）の圧縮機（１０）の運転周波数の値が第１範囲内であることに応じて、第２冷媒回路（ＲＣ２）の運転を停止する。第１範囲は、蒸発温度の下限値および運転周波数の下限値を含む。
Patent WO-2021205781-A1 (WO)
Inventor: YATSUDA OSAMU
IPC: B62D33/06
Filed: 2021-03-03
Abstract: １対のリアピラー（３ｃ）の各々は、側面視において下方から上方に向かうに従って後方に位置するように傾斜している。後窓（５）は、１対のリアピラー（３ｃ）の各々から後方に張り出し、キャブ（１）の内部空間（１Ａ）からキャブ（１）の外部を視認可能に構成されている。
Patent WO-2021199899-A1 (WO)
Title: 電動工具及び補助ハンドル
Inventor: NAGASAKA HIDENORI
IPC: B25F5/02
Filed: 2021-03-05
Abstract: 電動工具に補助ハンドルが装着されているときに、電動工具に反力を作用させる。補助ハンドルは、第１アーム部（１０１）と、電動工具（１Ａ）の少なくとも一部を第１アーム部（１０１）との間で締め付ける第２アーム部（１０２）と、電動工具（１Ａ）の少なくとも一部が第１アーム部（１０１）と第２アーム部（１０２）とにより締め付けられた状態で移動可能な操作部（２２１）と、可動部材（５１）に接触する位置に配置され、操作部（２２１）の移動により、可動部材（５１）を制限位置から解除位置に移動させる作動部（２２０）と、を有する。
Patent WO-2022190312-A1 (WO)
Title: Shaping method and shaping device
Inventor: KITAZAWA TOSHIKI
IPC: B29C70/10
Filed: 2021-03-11
Abstract: Provided is a shaping method comprising: a suturing step (S102) of suturing, with a linear suture material, first end regions in a first predetermined direction of a plurality of sheet materials in a state where the plurality of sheet materials are laminated; a fixing step (S103) of fixing a second end region in the first predetermined direction of a laminated body to a first shaping mold having a curved portion including at least one of a concave shape and a convex shape along a second predetermined direction in a state where the first predetermined direction coincides with the second predetermined direction; and a shaping step of pressing a second shaping mold against the laminated body, which has been fixed to the first shaping mold in the fixing step (S103), to shape the laminated body along the surface shape of the fist shaping mold, wherein in the shaping step, the laminated body is shaped in a state where a tension in the direction of pulling the first end region away from the second end region along the first predetermined direction is applied to the plurality of sheet materials by a connecting member connected to the suture material.
Patent WO-2022044397-A1 (WO)
Inventor: FUKUMITSU MASAKAZU
IPC: H03H9/02
Filed: 2021-03-15
Abstract: Provided are a resonance device, a collective board, and a resonance device manufacturing method with which it is possible to suppress propagation of noise through a holding portion.　A resonance device 1 is provided with: a MEMS board 50 including a resonator 10 having a vibrating portion 110 and a holding portion 140 configured to hold the vibrating portion 110; and an upper lid 30 disposed opposite the MEMS board 50 across the resonator 10 and including a connection wiring CW1 electrically connected to the vibrating portion 110. The resonator 10 further includes an isolating groove 145 formed to surround the vibrating portion 110 in plan view.
Patent WO-2021200074-A1 (WO)
Inventor: JINDA TOSHIYUKI
IPC: H01L21/60
Filed: 2021-03-15
Abstract: L'invention concerne un dispositif de transfert, et un procédé de correction de position destiné à un dispositif de transfert, grâce auquel il est possible de mesurer la position d'une caméra de mesure d'élément, la position du support d'un substrat de transfert cible, et la position du support d'un substrat de transfert d'origine par rapport à la position d'exposition de la lumière laser sans accumulation des erreurs de mesure. En particulier, ce dispositif de transfert (1) comprend une unité d'exposition à la lumière laser (2), un support (6) d'un substrat de transfert d'origine, un support (10) d'un substrat de transfert cible, une caméra de mesure d'élément (14), une caméra de mesure de support (16) et une unité de commande (18). Des éléments maintenus sur le substrat de transfert d'origine (C1) sont transférés au substrat de transfert cible (C2). Le support (6) du substrat de transfert d'origine comporte une marque de repère (9b) du substrat de transfert d'origine, et le support (10) du substrat de transfert cible a, appliqué à une pièce de verre fluorescent, une marque de repère (13b) du substrat de transfert cible. La caméra de mesure d'élément (14) est configurée pour pouvoir former une image de la marque de repère (9b) du substrat de transfert d'origine et la marque de repère (13b) du substrat de transfert cible. La caméra de mesure de support (16) est configurée pour pouvoir former simultanément une image d'un point d'émission de fluorescence (F) et de la marque de repère (13b) du substrat de transfert cible lorsque la pièce de verre fluorescent est exposée à une lumière laser (L).
Patent WO-2021193331-A1 (WO)
Inventor: YAHATA HIROSHI
IPC: G16H20/60
Filed: 2021-03-18
Abstract: This information providing method includes: outputting, to a second server, a menu information acquisition request on the basis of an individual menu request by a user, said individual menu request having been acquired from an information terminal of the user via a network; acquiring, from the information terminal via the network, identification information stored in the information terminal; acquiring menu information from the second server; generating, on the basis of user biometric information, information indicating the level of meal restriction according to the progress of an illness of the user; generating, on the basis of the menu information and the information indicating the level of meal restriction, an individual menu which is for the user and which corresponds to the information indicating the level of meal restriction; transmitting the individual menu to the information terminal; and causing a dish to be selected at the information terminal on the basis of the individual menu.
Patent WO-2022195845-A1 (WO)
Inventor: SHAMOTO EIJI
IPC: B23Q15/00
Filed: 2021-03-19
Abstract: La présente invention concerne un dispositif de commande qui déplace un instrument de coupe par rapport à un matériau à couper de façon à amener le matériau à couper et l'instrument de coupe à entrer en contact l'un avec l'autre (S10) et acquiert des valeurs de coordonnées d'un point de référence à un moment où le matériau à couper et l'instrument de coupe sont entrés en contact l'un avec l'autre (S12). Le dispositif de commande déduit une erreur entre les valeurs de coordonnées acquises et les valeurs de coordonnées conçues du point de référence à une position où le matériau à couper et l'instrument de coupe sont entrés en contact l'un avec l'autre (S14) et produit des informations d'erreur (S16).
Patent WO-2021205895-A1 (WO)
Title: Signal processing device and sensing module
Inventor: TAYU KENICHI
IPC: G01S17/894
Filed: 2021-03-25
Abstract: The present technology provides a signal processing device comprising: a multi-stage branch wiring section that supplies the same signal to a plurality of target elements via multi-stage branched wiring; and logic circuits arranged in the stages of the multi-stage branch wiring section, the wiring between at least some stages in the multi-stage branch wiring section intersecting.
Patent WO-2022208806-A1 (WO)
Title: Check-in system, check-in method, and program
Inventor: FUKUSHIMA SACHIKO
IPC: G06Q50/10
Filed: 2021-03-31
Abstract: An acquisition means (201) of this check-in system (S) acquires, when a user of a first service visits a place related to a second service, first information for identifying the user as the first service, by using at least one among a user terminal (30) of the user and a check-in terminal (40) in the place. A check-in execution means (202) executes a check-in to the place, on the basis of the first information or second information associated with the first information.
Patent WO-2022145072-A1 (WO)
Title: アクチュエータ、及びロボット
Inventor: SUGIYAMA TAKASHI
IPC: F16H33/02
Filed: 2021-04-22
Abstract: アクチュエータ（３００）は、モータの出力軸の回転運動が伝達されて回転運動するボールねじ軸（３０１）と、ボールねじ軸（３０１）に設けられたボールねじナット（３８８）と、ボールねじナット（３８８）が取り付けられ、ボールねじ軸（３０１）の回転運動に伴って直線運動するスライド部（３６０）と、ボールねじ軸（３０１）を所定の回転方向に付勢するぜんまい機構（３２７）と、を備える。ぜんまい機構（３２７）は、ボールねじ軸（３０１）の軸線が延びる方向に配置されている。
Patent WO-2022230047-A1 (WO)
Title: Terminal et procédé de communication
Inventor: HIGUCHI SYOUICHI
IPC: H04W72/04
Filed: 2021-04-27
Abstract: Ce terminal comprend : une unité de transmission pour transmettre, à une station de base, des informations concernant l'intervalle dans le domaine temporel d'un signal de référence ; une unité de réception pour recevoir, en provenance de la station de base, un paramètre sans fil concernant le signal de référence, qui est modifié sur la base des informations ; et une unité de commande pour recevoir le signal de référence en provenance de la station de base sur la base du paramètre sans fil et pour exécuter une estimation Doppler.
Patent WO-2021261089-A1 (WO)
Inventor: SUZUKI ISSEI
IPC: C23C14/34
Filed: 2021-05-06
Abstract: This n-type SnS thin-film has an average thickness of 0.100-10μm, exhibits a ratio (α 1.1 /α 1.6 ) of the absorption coefficient α 1.1  at a photon energy of 1.1eV to the absorption coefficient α 1.6  at a photon energy of 1.6eV of 0.200 or less, exhibits an atomic ratio of S content to Sn content of 0.85-1.10, and has n-type conductivity.
Patent WO-2021235459-A1 (WO)
Title: Vacuum freeze-drying device and vacuum freeze-drying method
Inventor: MORIMOTO SHUJI
IPC: F26B25/00
Filed: 2021-05-18
Abstract: Provided are a vacuum freeze-drying device and method with which vacuum freeze-drying can be carried out continuously in a short amount of time. This vacuum freeze-drying device (1) has an exhaust passage for carrying out vacuum suctioning, wherein a drying device (3) is provided with: a tubular section (31) provided with an inlet part and an outlet part and having a tubular shape; temperature adjustment means (30a-30j) that are provided at least three or more regions which are formed from the inlet part toward the outlet part on a peripheral portion of the tubular section (31), and the temperature of which can be controlled, and that are for adjusting the temperature of a plurality of regions (40a-40j) on the outer surface of the tubular section; a temperature control unit (8) for independently controlling the temperature of the temperature adjustment means; and a rotation unit (7) for causing the tubular section (31) to rotate. The tubular section (31) has a spiral transfer means (31a) provided continuously from the inlet part toward the outlet part, in the vicinity of an inner wall of the tubular section, and the transfer means (31a) continuously sublimates and dries frozen material while transferring the frozen material sequentially by means of the transfer means to locations corresponding to the plurality of regions inside the tubular section.
Patent WO-2021251188-A1 (WO)
Title: Recommendation information provision device
Inventor: TANAKA SHIGEKI
IPC: G10K15/04
Filed: 2021-05-28
Abstract: The purpose of the present invention is to provide recommendation information relating to setting appropriate for singing with respect to a wide variety of songs. A recommendation information provision device 5 is provided with at least one processor. The at least one processor acquires a scoring result relating to singing of each of songs by a user in the past with respect to each temporal section of the song, acquires pitch information indicating the pitches of sounds that constitute the song and are arranged on a time-series basis in the section, uses the scoring result and the pitch information as training data to build, from the pitch information, a learning model for predicting a scoring result relating to singing of a song by the user, acquires a scoring result relating to singing of a target song by the user on the basis of output of the learning model by inputting pitch information relating to the target song to the learning model while changing the pitches of sounds indicated by the pitch information into multiple kinds, and on the basis of the scoring results for multiple kinds of pitch information relating to the target song, outputs, as recommendation information, the contents of setting of the pitches of sounds to be recommended to the user.
Patent WO-2022034748-A1 (WO)
Inventor: YANO YUTAKA
IPC: B63C11/48
Filed: 2021-06-29
Abstract: In order to facilitate the disposition of multiple noise measuring points in a distributed manner, this underwater noise monitoring device is provided with: a processing unit in which, by using data which was acquired using optical fibers installed underwater or on a water bottom and which indicates noise or vibration at the position of each of the optical fibers, a statistical value of the amount of noise or vibration is derived at the time and the place when/where the data was acquired; and an output unit that outputs the statistical value.
Patent WO-2022064824-A1 (WO)
Title: Inkjet printing device and inkjet printing method
Inventor: TANI KAZUMA
IPC: B41J2/01
Filed: 2021-07-16
Abstract: Provided is a technology to reduce positional deviations of respective images formed by a plurality of ink ejection units even when a base material expands/contracts. An inkjet printing device (1) is provided with a first driving roller (31), a second driving roller (36), recording heads (51 and 55), and a control unit (7). The control unit (7) functions as an expansion/contraction amount acquisition unit and an ejection control unit. The first driving roller (31) and the second driving roller (36) convey a base material (9). The second driving roller (36) is positioned on a downstream side of the first driving roller (31) in a conveyance direction. The recording heads (51 and 55) are positioned between the first driving roller (31) and the second driving roller (36) in the conveyance direction. The expansion/contraction amount acquisition unit acquires an expansion/contraction amount of the base material (9) on the basis of a difference in rotation speed between the first driving roller (31) and the second driving roller (36). The ejection control unit controls ejection of ink from the recording heads (51 and 55) according to the expansion/contraction amount.
Patent WO-2022019260-A1 (WO)
Title: Adhesive sheet and film with adhesive layer
Inventor: NAGATA TAKUYA
IPC: C09J133/00
Filed: 2021-07-19
Abstract: The relative permittivity of this adhesive sheet at a temperature of 25°C and a frequency of 10 kHz is less than or equal to 4.5. When performing a bending retention test for 240 hours in an environment at a temperature of 60° and relative humidity of 95%, in a state in which a 35mm×100mm adhesive sheet attached to an adherend is held bent along the short side direction at a bending radius of 1.3 mm and a bending angle of 180°, the length of the gap, in the short side direction, between the adhesive sheet and the adherend in the bent part of the sample after the test is preferably less than or equal to 2 mm. In a bendable image display device having a touch panel within a distance of 500 μm from the touch surface, the adhesive sheet is used to bond between members arranged between the touch surface and the touch panel, has a high adhesive strength and can contribute to suppression of erroneous operations in the touch panel.
Patent WO-2022085261-A1 (WO)
Inventor: TERAGISHI KOUJI
IPC: C09D7/62
Filed: 2021-07-21
Abstract: Provided is a metallic paint composition that enables curtailment of painting time, reduction of the amount of paint used, and improvement of the work environment, and that can be used to easily paint without requiring advanced technique. This metallic paint composition is for two-coat painting and comprises a colored paint containing a colored pigment and colored aluminum having a color similar to the colored paint.
Patent WO-2023026456-A1 (WO)
Title: Climatiseur
Inventor: AKIMOTO MASANORI
IPC: F24F1/009
Filed: 2021-08-27
Abstract: L'invention concerne un climatiseur (100) comprenant une unité intérieure (10). L'unité intérieure (10) comprend un échangeur de chaleur intérieur (12) et une plaque d'orientation de flux verticale (19). Dans l'unité intérieure (10), du cuivre ou un alliage de cuivre est fourni à un passage de ventilation sur le côté amont de l'échangeur de chaleur intérieur (12), un passage de ventilation sur le côté aval de l'échangeur de chaleur intérieur (12), ou la plaque d'orientation de flux verticale (19). L'unité intérieure (10) comprend une unité de commande qui effectue une commande pour chauffer le cuivre ou l'alliage de cuivre fourni.
Patent WO-2023026497-A1 (WO)
Title: 管理装置、管理方法及び管理プログラム
Inventor: IWAHASHI HIROKI
IPC: H04L47/70
Filed: 2021-08-27
Abstract: 上位システム対応部（１１）は、ネットワークを利用するユーザを収容する複数の通信装置のうちの所定の通信装置が収容した特定ユーザの収容位置を他の通信装置に切り替える収容替えの指示を受信する。装置管理部（１３）は、収容替え先となる１つ以上の通信装置が各通信装置に対応付けて登録された外部ファイルから所定の通信装置に対応する収容替え先候補の情報を取得し、取得した収容替え先候補の中から収容替え先の通信装置を選定する。装置制御部（１５）は、装置管理部（１３）により選定された収容替え先の通信装置に特定ユーザが収容されるように収容替えを実施する。
Patent WO-2022071522-A1 (WO)
Inventor: SUGAE IPPEI
IPC: G01S7/521
Filed: 2021-09-30
Abstract: An ultrasonic wave generator as one example of the present disclosure comprises: an oscillator provided with a piezoelectric substance that, when an AC voltage is applied, vibrates due to piezoelectric effects and generates ultrasonic waves, and three or more electrodes that are provided in different surface regions of the piezoelectric substance; and a control unit that, when an ultrasonic wave generation command including directivity information of the ultrasonic wave to be generated is received, performs a control for selecting, from the three or more electrodes, a combination of a voltage application electrode that applies an AC voltage corresponding to the directivity in the ultrasonic wave generation command and a ground electrode that connects to ground potential, applying the AC voltage to the voltage application electrode, and generating an ultrasonic wave.