baber/WOPTO huggingface dataset:
Patent TW-202206663-A (TW)
Title: Stretchable nonwoven fabric, production method therefor, and mask and absorbent article using such stretchable nonwoven fabric
Inventor: WAKASUGI KEI
IPC: D04H1/42
Filed: 2021-02-03
Abstract: The present invention provides a stretchable nonwoven fabric that is capable of appropriately being deformed and conforming to protrusions and recesses at a location where the stretchable nonwoven fabric is applied. A stretchable nonwoven fabric (1) according to the present invention has a first direction (D1) being a fiber orientation direction and a second direction (D2) being orthogonal to the first direction (D1), and comprises extensible fibers and a stretchable member. This stretchable nonwoven fabric (1) is characterized in that at least a portion thereof is processed such that, when said portion has been subjected to 100% elongation twice, the ratio (F1/F2) of a contractive force (F1) per unit width in the first direction (D1) with respect to a contractive force (F2) per unit width in the second direction (D2) is 20 or less, while the contractive force (F1) per unit width in the first direction (D1) becomes 0.90 N/mm or less.
Patent TW-202141714-A (TW)
Title: Heat sink integrated insulating circuit board
Inventor: OHASHI TOYO
IPC: B32B27/02
Filed: 2021-02-25
Abstract: This heat sink integrated insulating circuit board comprises: a heat sink (20) including a top plate part (21) and heat dissipating fins (22); an insulating resin layer (12) formed on the top plate part (21) of the heat sink (20); and a circuit layer (13) made of a metal piece and provided on a surface of the insulating resin layer (12) on the side opposite to the heat sink (20), wherein, if the maximum length of the top plate part (21) of the heat sink (20) is defined as L, the warpage amount of the top plate part (21) of the heat sink (20) is defined as Z, and a deformation protruding toward a bonding surface of the top plate part (21) of the heat sink (20) is is defined as a positive warpage amount, and the curvature of the heat sink (20) is defined as C=|(8*Z)/L2|, a ratio P/Cmax of the peel strength P (N/cm) of the insulating resin layer (12) to the maximum curvature Cmax (1/m) of the heat sink (20) when heated from 25 DEG C to 300 DEG C is P/Cmax > 60.
Patent TW-202146862-A (TW)
Title: Infrared imaging device capable of correcting images through temperature detection and image processing
Inventor: MAEGAWA TOMOHIRO
IPC: G01J1/42
Filed: 2021-03-12
Abstract: An infrared imaging device comprises: an infrared lens (1) for concentrating infrared light radiated from a subject; an infrared imaging element (2) having a screen in which pixels are arranged in a two-dimensional array for converting the infrared light that has been concentrated by the infrared lens (1) into electrical signals; a signal processing unit (3) for converting the electrical signals from the infrared imaging element (2) into digital signals; an optical characteristic correction unit (4), which uses the output of the signal processing unit (3) to output the ideal output based on the property of the sum by multiplying the ideal output value of the output value when using an ideal optical system and the dispersion degree of the infrared lens (1); a reference temperature detection unit (7) for detecting a reference temperature; and a temperature measurement unit (6) for carrying out absolute temperature conversion for the subject on the basis of the output of the optical characteristic correction unit (4) and the output of the reference temperature detection unit (7).
Patent TW-202202167-A (TW)
Title: Medical use
Inventor: BOTYANSZKI JANOS
IPC: A61P11/00
Filed: 2021-03-24
Abstract: The present disclosure relates to a 3C-Like (3CL) protease inhibitor for use in the treatment or prevention of COVID-19. In particular embodiments, COVID-19 is associated with pneumonia or acute respiratory distress disorder. In other aspects, the patient is undergoing extra-corporeal membrane oxygenation, mechanical ventilation, non-invasive ventilation, receiving oxygen therapy or receiving antiviral or steroid treatment.
Patent TW-202241126-A (TW)
Inventor: CHANG HSIN-YUEH
IPC: H04N13/293
Filed: 2021-03-31
Abstract: The invention provides an image processing device comprising an image generation circuit and a multifocal length processing circuit. The image generating circuit generates a plurality of depth plane images with depth information and a plurality of corresponding zoom control information, and merges the plurality of depth plane images and the plurality of zoom control information to generate merged image data. The multifocal length processing circuit is configured to decompose the merged image data to restore the plurality of depth plane images and the plurality of corresponding zoom control information, and to determine the time point at which a plurality of restored depth plane images are transferred to a display device and the time point at which the plurality of restored zoom control information is transferred to zoom lens according to a screen update rate of the display device. The invention also provides an image processing method and a 3D image generation system comprising the above-mentioned image processing device.
Patent TW-202145705-A (TW)
Inventor: AKSIN DEVRIM YILMAZ
IPC: H03F1/42
Filed: 2021-04-22
Abstract: 一種範例電流鏡裝置包括一電流鏡電路，配置為在輸入電晶體Q1接收輸入電流訊號且在輸出電晶體Q2輸出鏡射訊號。該裝置進一步包括一半疊接電路，其係包括電晶體Q3、Q4及雙端被動網路。電晶體Q3係耦接於輸出電晶體Q2，且與之形成疊接。電晶體Q4係耦接於電晶體Q3。電晶體Q3之基極/閘極耦接於偏置電壓Vref，且電晶體Q4之基極/閘極則經由雙端被動網路而耦接於偏置電壓Vref1。藉由適當選擇雙端無源網路之阻抗及偏置電壓Vref與Vref1，可減少來自電流鏡裝置之輸出電流之非直線性。
Patent TW-202132253-A (TW)
Title: Liquid crystal composition containing polymerizable compound and application thereof shortening the pre-tilt related response time that can be measured in the test box without obvious damage to other parameters
Inventor: LI CHENG-HE
IPC: C09K19/30
Filed: 2021-05-07
Abstract: The present invention provides a liquid crystal composition containing a polymerizable compound and its application, comprising one or more of the polymerizable compounds represented by the general formula I, and a nematic liquid crystal composition. In the present invention, by introducing a reactive mesogen (RM) containing three polymerizable groups into the nematic liquid crystal composition, the three polymerizable groups can speed up the reaction speed and time, reduce the process time, improve the alignment effect of the liquid crystal composition, render the polymerization more complete, reduce the residue, and effectively improve the low-temperature miscibility of the liquid crystal composition, thereby reducing the angle-forming time. Especially for the existing PSVA liquid crystal, it can shorten the pre-tilt related response time that can be measured in the test box without obvious damage to other parameters, which has important application value.
Patent TW-202230977-A (TW)
Title: Bulk acoustic resonator
Inventor: SON SANG-UK
IPC: H03H9/46
Filed: 2021-05-12
Abstract: A bulk acoustic resonator includes a first electrode disposed on an upper side of a substrate, a piezoelectric layer disposed on an upper surface of the first electrode, and a second electrode disposed on an upper surface of the piezoelectric layer, wherein an upper surface of at least one of the first electrode and the second electrode has a recess region, wherein a depth of the recess region is D, a width of the recess region is W, and a resonance frequency is F, and ln is a natural logarithm, and wherein [{ln(D*W)}/(-0.59*F)] is [[ln{0.008([mu]m)2}]/{-0.59*(3.5GHz)}] or more and [[ln{0.022([mu]m)2}]/{-0.59*(3.5GHz)}] or less.
Patent TW-202245670-A (TW)
Title: Grinding device for preventing spraying powder
Inventor: LIU KUANG-YU
IPC: A47J42/40
Filed: 2021-05-24
Abstract: A grinding device for preventing spraying powder includes a grinding machine and an elastic pushing structure, the grinding machine includes a main body, the main body is connected to a bottom powder tube, a baffle is disposed at one end of the bottom powder tube, the elastic pushing structure is disposed at a space below the baffle, a container can be disposed on the elastic pushing structure, and the elastic pushing structure can elastically push the container upwards, so that the container is connected to the baffle. Therefore, in a grinding process, the coffee powder does not spray out of the container and does not make the bar or the environment dirty, and the quantity of the coffee powder does not decrease.
Patent TW-202246107-A (TW)
Inventor: YUAN KUN-MIN
IPC: B62J9/20
Filed: 2021-05-28
Abstract: 本揭露係關於一種快拆包。快拆包包括本體、第一拉帶、第二拉帶、卡扣元件以及定位元件。第一拉帶的兩端連接於本體的頂部上。第二拉帶的兩端連接於本體的頂部上。卡扣元件設置於本體的表面上。卡扣元件具有開口。開口的方向朝向本體的底部。定位元件設置於第二拉帶上。定位元件配置以從開口進入而抵接卡扣元件。
Patent TW-202203624-A (TW)
Title: Scrambling sequences for request-to-send (rts) and clear-to-send (cts) frames
Inventor: YANG LIN
IPC: H04K1/00
Filed: 2021-06-02
Abstract: This disclosure provides systems, methods, and apparatuses for wireless communication that can be used to reduce the peak-to-average power ratio (PAPR) of data transmissions by increasing the degree of randomness with which data is scrambled for transmission over a wireless medium. In some implementations, a transmitting device may determine a scrambler seed value that includes at least 11 bits, where at least one of the 7 least significant bits (LSBs) of the scrambler seed value has a non¬zero value. The transmitting device may generate a scrambling sequence based on the scrambler seed value and a polynomial, may construct a physical layer convergence protocol (PLCP) protocol data unit (PPDU) that includes a multi-user (MU) request-to-send (RTS) frame and the scrambler seed value, may scramble one or more portions of the PPDU based on the scrambling sequence; and may transmit the PPDU over a wireless medium.
Patent TW-202223293-A (TW)
Title: Light-emitting module and planar light source
Inventor: IWAKURA DAISUKE
IPC: F21V7/00
Filed: 2021-07-09
Abstract: A light-emitting module includes: a light source; a light guide plate including an upper surface and a lower surface, the lower surface being at a side opposite to the upper surface, the light guide plate being configured to guide light from the light source; a first light-reflective member located at a lower surface side of the light guide plate, wherein the first light-reflective member includes: a first resin member, and a first reflector, wherein a refractive index of the first reflector is lower than a refractive index of the first resin member; and a second light-reflective member located at a lower surface side of the first light-reflective member, wherein the second light-reflective member includes: a second resin member, and a second reflector, wherein a refractive index of the second reflector is higher than a refractive index of the second resin member.
Patent TW-202221130-A (TW)
Inventor: AESAERT SOFIE
IPC: C12N9/10
Filed: 2021-08-10
Abstract: 本發明屬於合成生物學及代謝工程改造之技術領域。更特定言之，本發明屬於代謝上經工程改造之細胞及該等細胞在醱酵中之用途的技術領域。本發明描述一種代謝上經工程改造之細胞及一種藉由用該細胞醱酵生產唾液酸化雙醣及/或寡醣之方法。該代謝上經工程改造之細胞包含用於生產該唾液酸化雙醣及/或寡醣之途徑，且經修飾以用於表現及/或過度表現編碼一或多種催化相同化學反應之同功蛋白質的多個編碼DNA序列。此外，本發明提供該唾液酸化雙醣及/或寡醣自培養物之純化。
Patent TW-202302290-A (TW)
Inventor: CHEN YONG-MAN
IPC: B25B27/14
Filed: 2021-08-18
Abstract: 本申請提供一種拆卸裝置，用於拆除工件之定位孔內之零件，工件設有通孔，通孔連通定位孔，拆卸裝置包括支撐座、夾持機構與頂起機構，夾持機構安裝於支撐座，用於沿第一方向固定工件之位置，頂起機構包括滑動元件、調整杆與頂針，滑動元件連接於支撐座並沿第一方向與垂直於第一方向之第二方向移動，調整杆之一端穿設於滑動元件並連接頂針，用以帶動頂針伸入通孔內並沿垂直於第一方向與第二方向所於平面之方向移動，以將零件從定位孔內取出。上述拆卸裝置能夠減小零件與工件之損壞幾率，減少了廢料之產生，節約生產成本。
Patent TW-202201923-A (TW)
Inventor: HOSSEINI SEYEDKIANOUSH
IPC: H04L1/12
Filed: 2017-12-07
Abstract: Methods, systems, and devices for wireless communication are described that support sounding reference signal (SRS) transmission in low latency wireless transmissions. A set of shortened transmission time intervals (sTTIs) for uplink transmissions of a first wireless service may be identified; the set of sTTIs located within subframe time boundaries of a subframe of a second wireless service with a longer TTI than the sTTIs. Two or more sTTIs within the set of sTTIs may be used for SRS transmissions within the subframe time boundaries.
Patent TW-202309885-A (TW)
Inventor: LI HAN-YU
IPC: G11B33/04
Filed: 2021-09-01
Abstract: 一種資料存取器固定裝置包括拆裝架機構與機架機構，拆裝架機構包括把手架與固定托架。把手架包括第一主架與第一側架，第一側架設置有凸輪結構。固定托架包括第二主架與第二側架，第二側架與凸輪結構繞平行於第一方向之軸可轉動配合。機架機構與拆裝架機構滑動配合，機架機構設置有導向件，導向件用於與凸輪結構抵持接觸。藉由轉動把手架，帶動凸輪結構轉動，凸輪結構抵持導向件，並對導向件產生作用力，作用力帶動拆裝架機構滑動，實現資料存取器與機架機構之組裝或拆卸過程。本申請還涉及一種採用該資料存取器固定裝置之電子設備。
Patent TW-202229254-A (TW)
Title: 3-hydroxyoxindole derivatives as crhr2 antagonist
Inventor: ANDO KAZUO
IPC: C07D401/14
Filed: 2021-09-30
Abstract: The present invention relates to 3-hydroxyoxindole derivatives which have antagonistic activities against CRHR2, and which are useful in the treatment or prevention of disorders and diseases in which CRHR2 is involved. The invention also relates to pharmaceutical compositions comprising these compounds and the use of these compounds and compositions in the prevention or treatment of such diseases in which CRHR2 is involved.
Patent TW-202227175-A (TW)
Inventor: XIAO QING-HUA
IPC: A63F13/847
Filed: 2021-10-28
Abstract: 一種虛擬物品資訊的發送方法，包括：顯示對局介面；響應於物品選擇操作，顯示虛擬物品選擇介面；以及響應於針對至少一個虛擬物品中的目標虛擬物品的資訊發送操作，顯示向目標接收方帳號發送的物品使用建議資訊。還提供虛擬物品資訊的發送裝置、虛擬物品資訊的顯示方法及裝置、終端、電腦可讀存儲介質及電腦程式產品。
Patent TW-202320288-A (TW)
Inventor: JOU YEH-NING
IPC: H01L23/60
Filed: 2021-11-11
Abstract: 一種靜電放電保護電路，包括一偵測電路、一分壓元件以及一釋放元件。偵測電路耦接於一第一電源線以及一第二電源線之間。當一靜電放電事件發生時，偵測電路致能一導通信號。分壓元件耦接於第一電源線與一第三電源線之間，並接收導通信號。釋放元件耦接於第二及第三電源線之間。當導通信號被致能時，釋放元件釋放一靜電放電電流。
Patent TW-202227500-A (TW)
Title: HUMANIZED ANTI-TrKA ANTIBODIES AND USES THEREOF
Inventor: Ren zhi-heng
IPC: A61K39/395
Filed: 2021-11-19
Abstract: Provided is a humanized antibody or antigen-binding fragment thereof capable of specifically recognizing TrkA and uses thereof. The antibody comprises a heavy chain variable region with an amino acid sequence shown in any one of SEQ ID NO: 2-8, and a light chain variable region with an amino acid sequence shown in any one of SEQ ID NO: 10-13. The above-mentioned antibody according to the embodiments can specifically target and bind to the TrkA receptor and block the binding of NGF and TrkA.
Patent TW-202227753-A (TW)
Title: lighting device
Inventor: NAKAMURA KOZO
IPC: F21W131/405
Filed: 2021-11-22
Abstract: Provided is a lighting device capable of illuminating an object from various directions. This lighting device is provided with: a lighting source; and a light guiding part that has permeability with respect to visible light and that guides light emitted from the light source. The light guiding part is provided with: a cylindrical member; a light extraction part for causing the light, which is guided so as to pass through the inside of a wall part of the cylindrical member, to be emitted from the inside of the wall part. The cylindrical member is provided with: a light entering end surface which is provided to either one of the bottom part or the top part of the cylindrical member so as to face the light source, and through which the light enters the inside of the wall part; and a light emitting part which is included in the inner surface, of the cylindrical member, intersecting with the light entering end surface, and through which the light is emitted from the inside of the wall part.
Patent TW-202232932-A (TW)
Title: Camera sensor changes in multi-sensor device
Inventor: LIU SHIZHONG
IPC: H04N5/225
Filed: 2021-11-23
Abstract: Disruptions in the continuity of image frames output from an image capture device due to switching from one image sensor to another image sensor of the device may be reduced or eliminated through controlled timing for switching of the image sensors according to a predefined image sensor configuration. Operation of a multi-sensor image device according to the predefined image sensor configuration may include an appropriate selection of a source for image adjustment during the zoom level transition. The predefined image sensor configuration may define transition parameters for particular zoom ranges of the image capture device.
Patent TW-202224310-A (TW)
Title: Mask control circuit, controller including the mask control circuit, charge/discharge control circuit, and battery device
Inventor: MATSUDA TAKASHI
IPC: H01M10/48
Filed: 2021-12-07
Abstract: Operational instability is prevented without compromising the state transition speed. A mask control circuit (52) is a circuit which generates a mask signal (S7) masking a control signal during a period in which a voltage level of a monitoring target terminal to be monitored is transitioning. The mask control circuit (52) includes: a first input port (52a) which receives a signal supplied to the monitoring target terminal; a second input port (52b) which receives a signal representing the voltage level of the monitoring target terminal; a logic circuit which determines whether the voltage level of the monitoring target terminal is in transition based on signals received from the first input port (52a) and the second input port (52b); and an output port (52c) which outputs a signal indicating a determination result of whether the voltage level of the monitoring target terminal is in transition as the mask signal (S7).
Patent TW-202239472-A (TW)
Inventor: KIM SUNG-JIN
IPC: B01J37/02
Filed: 2021-12-08
Abstract: 本發明係關於用於製造碳奈米管之負載型觸媒，其包含數量平均粒度(D
         MN )為1.5 μm至20 μm之載體、以及負載於載體上之活性成分，其中，防止粒子間之聚集且負載粒子之活性成分可作為活性成分，因此可提供具有優異活性因而可改善產率之負載型觸媒。
Patent TW-202227240-A (TW)
Title: Robot device
Inventor: OONISHI MORIAKI
IPC: B25J9/08
Filed: 2021-12-09
Abstract: The purpose of the present invention is to provide a robot device provided with an arm unit comprising a fixed element and a plurality of rectilinear motion elements incorporated in multiple stages on the fixed element, wherein distances from the rectilinear motion elements to the fixed element are detected. A robot device 1 is provided with: an arm unit 5 having a fixed element 54 and a plurality of rectilinear motion elements 51, 52, 53 extendably incorporated in multiple stages on the fixed element; motion driving mechanisms 7, 8 which drive motion of a lead rectilinear motion element 51 from among the plurality of the rectilinear motion elements 51, 52, 53; and a position specifying unit which specifies the position of at least one of the rectilinear motion elements 53, not including the lead rectilinear motion element 51, from among the plurality of rectilinear motion elements 51, 52, 53 relative to the fixed element 54 or the lead rectilinear motion element 51.
Patent TW-202240950-A (TW)
Title: Organic electroluminescent element, display device, lighting device, and method for producing organic electroluminescent element
Inventor: KUWADA KENJI
IPC: H01L51/50
Filed: 2021-12-17
Abstract: The purpose of the present invention is to provide a flexible organic electroluminescent element that has higher characteristics at a lower cost. In particular, the present invention aims to solve at least one of the problem of improvement of the service life with driving at a low voltage and the problem of the achievement of an organic electroluminescent element that has good luminescence and excellent stability in the atmosphere. The present invention relates to an organic electroluminescent element which comprises at least a pair of electrodes and an organic layer that is arranged between the electrodes, and which is characterized in that: a metal species that is capable of forming a coordinate bond and an organic material are respectively contained in a metal electron injection layer and an organic electron injection layer, which are adjacent to the negative electrode; and the metal electron injection layer and the organic electron injection layer are configured in this order.
Patent TW-202235862-A (TW)
Inventor: LEE SANG-KYOUNG
IPC: G01N23/20
Filed: 2021-12-24
Abstract: 本發明之一種用於檢測電路的系統包括：一卡盤，其經組態以支撐該等電路；一調變器，其經組態以能夠在該卡盤上方移動並被定位在該等電路上方以偵測該等電路中的缺陷；以及一調變器維護單元，其包括以下各項中之至少一者：一清潔構件，用於自該調變器之一表面移除異物；及一偵測構件，用於偵測該調變器之該表面之一平坦度，其中該調變器能夠移動以待定位成毗鄰於該調變器維護單元。
Patent TW-202315727-A (TW)
Inventor: KAO CHEN-TING
IPC: B25J19/00
Filed: 2021-12-30
Abstract: 本申請實施例提供一種限位組件，包括：第一連接件，包括第一主體部及兩個第一連接單元，兩個所述第一連接單元間隔設置並與所述第一主體部連接；傳動杆，包括間隔的第一端部及第二端部，所述第一端部貫穿一個所述第一連接單元，所述第二端部貫穿另一個所述第一連接單元；第二連接件，開設有兩個間隔的換位扣，每個所述換位扣包括間隔的第一限位槽以及第二限位槽，所述第一端部伸入一個所述換位扣中，所述第二端部伸入另一個所述換位扣中。所述限位組件包括止擋狀態及非止擋狀態。本申請還提供應用所述限位組件的機器人。
Patent TW-202240627-A (TW)
Title: Foil trap and light source apparatus including the same
Inventor: YABUTA HIRONOBU
IPC: H01J37/09
Filed: 2022-01-07
Abstract: The present invention relates to a foil trap that captures debris released from high-temperature plasma, which is an extreme ultraviolet light source, and a light source apparatus including the foil trap. A foil trap that captures debris released from a plasma includes a hub structure, a plurality of foils, and a shield member. The hub structure has a circumferential surface portion and a front surface portion facing the plasma. The foils are arranged radially around the hub structure and are supported by brazing on the circumferential surface portion. The shield member is disposed on the front surface portion, has a circumferential edge portion that shields the circumferential surface portion from the plasma, and forms a thermal resistance section between the shield member and the hub structure.
Patent TW-202322135-A (TW)
Title: 用於決定讀取電壓的記憶體系統
Inventor: HUANG YU-MING
IPC: G11C16/26
Filed: 2022-01-11
Abstract: 本案提出具有電腦可讀取介質(computer-readable medium)的系統、方法與裝置，其用於確定記憶體系統的讀取電壓。在一個方面，記憶體系統包括記憶體與記憶體控制器，記憶體儲存資料，記憶體控制器耦接到記憶體。記憶體控制器用以：利用第一讀取電壓獲得記憶體的目標記憶體資料的第一讀取輸出；以及回應於確定第一讀取輸出未通過糾錯碼(Error-Correcting Code，ECC)檢驗，提供第一讀取電壓至記憶體。記憶體用以：依據第一讀取電壓確定第二讀取電壓；以及利用第二讀取電壓產生目標記憶體資料的第二讀取輸出。
Patent TW-202330192-A (TW)
Title: Removal method for deposits on surface of reclaim silicon wafer capable of recycling reclaim wafer without affecting environment and substantially damaging wafer
Inventor: YEH CHIEN-HUNG
IPC: B24C7/00
Filed: 2022-01-17
Abstract: The present invention provides a removal method, which will not cause bad effects to the environment and substantially damage the silicon wafer as a substrate, and may very efficiently and cheaply remove the deposits on surface of silicon wafer through a simple device. The present invention utilizes a sand blasting device ( using a dry type for blasting dried abrasive materials, a gravity type using compressed air for blasting abrasive materials falling from the abrasive material trough due to gravity under the blasting conditions of blasting distance = 120 mm and blasting pressure = 0.2 MPa to blast boron carbide (B4C) of particle size #220 as abrasive materials onto the deposited surface of the deposited reclaim silicon wafer to perform the sand blasting process.
Patent TW-202245103-A (TW)
Title: Substrate-processing device, substrate-processing method, and storage medium
Inventor: NISHIHATA HIROSHI
IPC: H01L21/67
Filed: 2022-01-20
Abstract: A substrate-processing device according to one aspect of the present disclosure comprises: a processing liquid supply unit that has a nozzle capable of discharging a processing liquid, a source for supplying the processing liquid, and a supply flow path connecting the nozzle and the supply source, said processing liquid supply unit supplying the processing liquid to a substrate; a plurality of foreign matter detection units that are arranged at a plurality of different positions along the supply flow path, and that detect foreign matter contained in the processing liquid on the basis of a light reception signal obtained by receiving emitted light emitted from within the supply flow path upon irradiation of light; and an occurrence source estimation unit for estimating, from within the supply flow path, the zone in which an event causing detection of foreign matter has occurred, the estimation being performed on the basis of detection results from the plurality of positions as obtained by the plurality of foreign matter detection units.