baber/WOPTO huggingface dataset:
Patent JP-2023146000-A (JP)
Title: AC voltage detection method and AC voltage detector
Inventor: KATO KIYOTAKA
IPC: G01R19/145
Filed: 2022-03-29
Abstract: To provide an AC voltage detector capable of performing accurate voltage detection by discriminating between an actual voltage and an induced voltage in an electric line or a facility affected by induction.SOLUTION: An AC voltage detection method includes: an input circuit 1 to which a current from a detector brought into contact with a conductor to be detected is inputted: a phase determination circuit 2 for detecting a phase of the input current; a voltage determination circuit 3 for converting the input current into the voltage; an AND circuit 4 for determining that the conductor to be detected is the charging wire when the phase difference is smaller than a threshold and the voltage is larger than the threshold; and a sound generation/light emission circuit 5 for displaying that the conductor to be detected is the charging wire when an output value of the AND circuit 4 is 1.SELECTED DRAWING: Figure 2
Patent JP-2023146170-A (JP)
Title: Spot weld zone inspection method
Inventor: NISHIBORI ATSUSHI
IPC: B23K11/25
Filed: 2022-03-29
Abstract: To make it possible to easily and relatively accurately inspect quality of a spot weld zone.SOLUTION: An inspection method inspects quality of a nugget M as a spot weld zone formed at a contact part C1 between metal plates 21 and 22 which constitute a weldment object 20. According to the method, during formation of the spot weld zone, a strain amount generated in an electrode holding member 3 holding a pair of electrodes 4 and 5, which pressurize the weldment object 20, is measured, and on the basis of the strain amount, quality of the spot weld zone (nugget M) is inspected.SELECTED DRAWING: Figure 1
Patent JP-2023147493-A (JP)
Title: Delivery management apparatus, delivery management system, and delivery management method
Inventor: ITO MASAHIRO
IPC: G06Q10/083
Filed: 2022-03-30
Abstract: To provide a delivery management apparatus that enables efficient delivery of a product purchased by a user.SOLUTION: A delivery management apparatus 100 includes a purchase request reception unit 111, a package information reflection unit 112, a vehicle allocation information acquisition unit 113, a route information reflection unit 114, a delivery vehicle determination unit 115, and a delivery request unit 117. The purchase request reception unit 111 receives purchase request information on a product from a user terminal. The package information reflection unit 112 reflects package information associated with a purchased product name of the purchase request information to the purchase request information. The vehicle allocation information acquisition unit 113 acquires vehicle allocation information including information related to a delivery scheduled route of the delivery vehicle that delivers the products. The route information reflection unit 114 reflects route information associated with the delivery scheduled route to the vehicle allocation information. The delivery vehicle determination unit 115 determines a delivery vehicle based on the purchase request information and the vehicle allocation information. The delivery request unit 117 notifies a retailer terminal that manages the delivery vehicle of delivery request information to the delivery vehicle.SELECTED DRAWING: Figure 3
Patent JP-2023149455-A (JP)
Title: Separation membrane operation method, separation membrane device and operation condition determination program for the membrane
Inventor: HAGAWA KAZUKI
IPC: B01D65/06
Filed: 2022-03-31
Abstract: To provide a power saving operation method capable of suppressing fouling of a separation membrane by chemical liquid washing and physical washing.SOLUTION: A method for operating a separation membrane comprises: filtration operation of liquid to be filtered; physical washing operation executed during filtration or in a state in which the filtration operation is stopped; and chemical liquid washing operation executed in a state in which the filtration operation is stopped. The method includes: an accumulation amount calculation step for calculating a component amount of liquid to be accumulated on a separation membrane on and after an initial stage, or a membrane filtration resistance, on the basis of an initial value of membrane filtration resistance or a component amount of liquid to be filtered accumulated on the separation membrane, a secular change of the component of treated liquid on and after the initial stage, and a secular change of physical washing conditions and a filtration condition; a chemical liquid washing recovery calculating step for, on the basis of the result of the accumulation amount calculating, calculating a degree of recovery of membrane filtration resistance or the component accumulation amount in the chemical liquid washing; a chemical liquid washing condition determining step for determining a chemical liquid washing condition, on the basis of the accumulation amount calculating result and the chemical liquid washing recovery result; and a physical washing condition determining step for determining a physical washing condition. On the basis of the determined conditions, an operation condition of the separation membrane is controlled.SELECTED DRAWING: Figure 7
Patent JP-2023149882-A (JP)
Title: multilayer polyimide film
Inventor: UNO MARI
IPC: B32B27/34
Filed: 2022-03-31
Abstract: To provide a polyimide film capable of suppressing cracks, breaks or splits that occur in a film, in an alkali environment during a roll-to-roll manufacturing process for a flexible metal laminate, a polyimide laminate film, as well as a metal-clad laminate.SOLUTION: The problem can be solved by a multilayer polyimide film that has a non-thermoplastic polyimide layer and at least one or more adhesive layer, wherein the adhesive layer contains polyimide and has a water vapor permeability of 40 g/m2 24 h or less when the adhesive layer is 25 μm thick, and has an elastic modulus of 4 GPa or more.SELECTED DRAWING: None
Patent JP-2022079642-A (JP)
Title: Image processing device, image processing method, and image processing program
IPC: G06F16/55
Filed: 2022-03-31
Abstract: PROBLEM TO BE SOLVED: To provide an image processing device, image processing method, and image processing program, which allow for creating image products by extracting images with themes that match likes and tastes of a user. 
     SOLUTION: A plurality of images are classified into multiple image groups G301, G302, G303, G304 using feature quantities of the images such that images in each group have similarity levels that are equal to or greater than a threshold value. Images are extracted from the classified multiple image groups G301, G302, G303, G304. An album is created using the extracted images. 
     SELECTED DRAWING: Figure 7 
     COPYRIGHT: (C)2022,JPO&INPIT
Patent JP-2023150694-A (JP)
Title: Separation method for cobalt and nickel
Inventor: MIYAZAKI ATSUSHI
IPC: C22B23/00
Filed: 2022-03-31
Abstract: To provide a separation method for cobalt and nickel in which cobalt and nickel are collected from a lithium ion secondary battery at low cost.SOLUTION: A separation method for cobalt and nickel includes a crushing and classifying step of crushing and classifying a lithium ion secondary battery to yield an electrode material, a cleaning step of cleaning the electrode material with water and collecting alkaline cleaning waste liquid, a leaching step of immersing the electrode material cleaned in the cleaning step in a treatment liquid containing sulfuric acid to yield a leachate, a copper precipitation step of adding a hydrogen sulfide compound to the leachate and stirring, followed by solid-liquid separation to yield an eluate containing cobalt and nickel and a residue containing copper sulfide, a first treatment step or a second treatment step that includes a neutralization process and a filtration process, and a cobalt-nickel separation step of adding a hydrogen sulfide compound to the eluted liquid generated in the first treatment step or the neutralized liquid generated in the second treatment step, followed by stirring and solid-liquid separation to yield a precipitate containing cobalt sulfide and nickel sulfide, and a residual liquid containing lithium.SELECTED DRAWING: Figure 1
Patent JP-2023151942-A (JP)
Title: recording device
Inventor: WARASHINA AOI
IPC: B41J2/175
Filed: 2022-04-01
Abstract: To provide a recording device capable of improving workability.SOLUTION: A device body is displaceable between a closing position and an opening position along a displacement direction intersecting a vertical direction. The closing position is a position where the device body is housed in a housing. The opening position is a position where the device body extrudes from the housing toward a first displacement direction in displacement directions. A liquid storage part has a storage chamber configured to store liquid supplied to a recording part, and a liquid injection port configured to enable injection of the liquid into the storage chamber. The liquid injection port is exposed when the device body is disposed at the opening position.SELECTED DRAWING: Figure 3
Patent JP-2023152001-A (JP)
Title: Lock device
Inventor: KOBAYASHI JUNKO
IPC: E05B41/00
Filed: 2022-04-01
Abstract: To provide a lock device which can more surely inform of a use state of a private room by more various information including tactile information.SOLUTION: A lock device includes a locking member, a display member, and a case. The locking member is movable between a locked state and an unlocked state. The locked state is a state in which a door is locked by the locking member for not being opened. The unlocked state is a state in which the door is not locked by the locking member. The display member is a member for displaying to a person who is going to open the door whether the locking member is in the locked state or the unlocked state, and is provided so as to be able to move linearly forward and backward along a surface of the door between a fixed position in the locked state and another fixed position in the unlocked state in conjunction with the locking member. The case has an opening through which the display member can enter and exit.SELECTED DRAWING: Figure 1
Patent JP-2023154359-A (JP)
Title: Penetration type multilayer ceramic capacitor
Inventor: NAKAHIRO HISASHI
IPC: H01G4/30
Filed: 2022-04-06
Abstract: To improve the junction strength between a laminate of a penetration type multilayer ceramic capacitor and an external electrode and the humidity resistance reliability.SOLUTION: In a penetration type multilayer ceramic capacitor 10, a first internal electrode layer and a second internal electrode layer are provided. The second internal electrode layer includes a second opposite electrode part 26b, a third extraction electrode part 28c and a fourth extraction electrode part 28d. First dummy electrodes 29a1 and 29a2 separated from the third extraction electrode part and the second opposite electrode part are provided at both sides of the third extraction electrode part, and second dummy electrodes 29b1 and 29b2 separated from the fourth extraction electrode part and the second opposite electrode part are provided at both sides of the fourth extraction electrode part. Each dummy electrode is covered by a third external electrode 30c and a fourth external electrode 30d, and first alloy layers 40a1 and 40a2 and second alloy layers 40b1 and 40b2 consisting of metal constituting the dummy electrodes and metal constituting the external electrodes are respectively disposed on interfaces of the dummy electrodes and the external electrodes.SELECTED DRAWING: Figure 8
Patent JP-2023127526-A (JP)
Title: High degree biologica denitration reinforcement and environmental hormone reduction method
Inventor: HUANG HUI
IPC: C02F3/34
Filed: 2022-04-09
Abstract: To provide a high degree biological denitration reinforcement and environmental hormone reduction method.SOLUTION: Calcium sulfate and a hydrogen peroxide solution are reacted under alkaline conditions to produce a nano calcium peroxide oxygen release material. Next, using polyvinyl alcohol as a skeleton material, nano calcium peroxide is made into an oxygen release material to improve material density with quartz sand and to produce oxygen-carbon slow release granules by an encapsulation method. Utilizing an oxygen gas slowly released from the oxygen-carbon slow release granules, the reduction of environmental hormone in waste water by aerobic microorganisms is promoted to reinforce the high degree removal of total nitrogen in the waste water by released organic carbon, therefore the application of secondary biological treated waste water to high degree treatment can be expected.SELECTED DRAWING: Figure 4
Patent JP-2023155798-A (JP)
Title: Composite container, and manufacturing method therefor
Inventor: KAWASAKI MINORU
IPC: B65D1/00
Filed: 2022-04-11
Abstract: To facilitate avoiding formation of a stack rib with plastic, since the stack rib is formed by extending a paper sheet from which a container body is formed, according to the present invention relating to a composite container and a manufacturing method therefor.SOLUTION: According to a composite container 10 comprising: a container body 20 having a bottom part 21 that forms a container bottom portion 11 and trunk parts 22 and 23 that form a container trunk portion 12, and including a blank 50 provided with sheet-like paper exhibiting a predetermined stretch rate; and a resin part 30 obtained by integrating the bottom part 21 with the trunk parts 22 and 23, stack ribs 40 are provided where a part of the trunk parts 22 and 23 is stretched and swollen toward a container outer side from a container inner side in a protruding manner. Further, a stretch rate of the sheet-like paper {√(vertical stretch rate×lateral stretch rate)} is a value that exceeds 2.0%. The blank 50 is constituted by laminating an outer side resin coating layer 51, a sheet-like paper layer 52 and an inner side resin coating layer 53 in this order from the container outer side. The paper layer 52 has a thickness of 50 μm to 900 μm.SELECTED DRAWING: Figure 1
Patent JP-2023157538-A (JP)
Title: Vent piece, tire vulcanization mold, and tire manufacturing method
Inventor: YASUNAGA TOMOKAZU
IPC: B29C33/02
Filed: 2022-04-15
Abstract: To provide a vent piece that reduces spew pull-out resistance and prevents tire adhesion during demolding, a tire vulcanization mold, and a tire manufacturing method.SOLUTION: Provided is a vent piece, which is a cylindrical vent piece 2 that is fitted into an exhaust hole 16 that opens on a molding surface 1 of a tire vulcanization mold and has an exhaust path 21 inside, and has a contraction part 26 that reduces the cross-sectional area of the exhaust path 21, and a front end part 27 located on the side opposite to the molding surface from the contraction part 26, and in which the cross-sectional area of the exhaust path 21 at the contraction part 26 is smaller than the cross-sectional area of the exhaust path 21 at the front end part 27 and is 70% or more of the cross-sectional area thereof.SELECTED DRAWING: Figure 2
Patent JP-2023158426-A (JP)
Title: Mobile phase pumping system and mobile phase pumping method
Inventor: OTOMO Iori
IPC: G01N30/32
Filed: 2022-04-18
Abstract: To ensure that replenishment of solvent for a solvent container is done easily and at an appropriate time.SOLUTION: A mobile phase pumping system includes a solvent container 12, an additional solvent container 14, and a liquid delivery pump 10, a connecting channel 18 having one end and the other end, the one end being inserted from above into the solvent container 12, the other end being inserted from above into the additional solvent container 14, a channel structure 16 having a suction channel 20 connected to the connecting channel 18 between the one end and the other end of the connecting channel 18, and a channel opening/closing mechanism 22 for opening and closing the suction channel 20 of the channel structure 16. Both one end and the other end of the connecting channel 18 of the channel structure 16 are immersed in a solvent. When the inside of the connecting channel 18 is in a state of being filled with the solvent, the solvent flows in the connecting channel 18 due to a relationship between the surface height of the solvent in the solvent container 12 and the surface height of the solvent in the additional solvent container 14. Thereby, the solvent is provided from the additional solvent container 14 to the solvent container 12 in accordance with the decrease of the solvent in the solvent container 12.SELECTED DRAWING: Figure 1
Patent JP-2023159807-A (JP)
Title: 遊技機
IPC: A63F7/02
Filed: 2022-04-20
Abstract: 【課題】大量の出玉を付与した遊技機の管理の適正化を図ることが可能な遊技機を提供する。【解決手段】差玉は、遊技に消費された遊技球に基づき計数される第１計数値と、賞球に基づき計数される第２計数値の差分であり、特定値は、少なくとも第２計数値が第１計数値よりも大きい場合の差分に基づき予め設定された値であり、遊技制御手段は、差玉判定手段により差玉が特定値に達したと判定された場合に、以降の遊技を抑制態様で制御するものであり、演出態様変更手段は、抑制態様で制御される前に演出変更操作を受けていたとしても、所定時期に達する前に差玉が特定値に達して抑制態様で制御された場合には、該演出変更操作に基づく演出態様の変更を制限する。【選択図】図１
Patent JP-2023159825-A (JP)
Title: 遊技機
IPC: A63F7/02
Filed: 2022-04-20
Abstract: 【課題】大量の出玉を付与した遊技機の管理の適正化を図ることが可能な遊技機を提供する。【解決手段】差玉は、遊技に消費された遊技球に基づき計数される第１計数値と、賞球に基づき計数される第２計数値の差分であり、特定値は、少なくとも第２計数値が第１計数値よりも大きい場合の差分に基づき予め設定された値であり、遊技制御手段は、差玉判定手段により差玉が特定値に達したと判定された場合に、以降の遊技を抑制態様で制御するものであり、演出態様変更手段は、抑制態様で制御される前に演出変更操作を受けていたとしても、所定時期に達する前に差玉が特定値に達して抑制態様で制御された場合には、該演出変更操作に基づく演出態様の変更を制限する。【選択図】図１
Patent JP-2022106857-A (JP)
Title: Loudspeaker with reduced audio coloration caused by surface reflection
IPC: H04R1/40
Filed: 2022-04-27
Abstract: PROBLEM TO BE SOLVED: To provide a loudspeaker capable of reducing the comb filtering effect perceived by a listener. 
     SOLUTION: A reflection path can be shortened by reducing a distance between a reflective surface (for example, a base plate placed on a table or floor) and a point in which sound emitted by a transducer 109 is released within a listening area 100 to reduce the comb filtering effect caused by the reflected sound delayed with respect to the direct sound. A loudspeaker 105 is installed on the reflective surface without significant audio coloration being caused by the reflected sound. 
     SELECTED DRAWING: Figure 1 
     COPYRIGHT: (C)2022,JPO&INPIT
Patent JP-2022110008-A (JP)
Title: Operating method of iron making device and associated operating device
IPC: C22B1/20
Filed: 2022-04-28
Abstract: PROBLEM TO BE SOLVED: To provide an operating method of an iron making device which is independent of the characteristics of the waste materials used in the iron making method and which prevents pollutants from being released into the atmosphere without necessity of a dedicated device. 
     SOLUTION: The present invention is related to an operating method of an iron making device, in which waste material 1 is dried using drying gas 12, the drying gas comprising an exhaust gas 14 from a sinter plant 4, and the dried material is roasted using roasting gas 13, so as to produce coal and roasting exhaust gas 19. 
     SELECTED DRAWING: Figure 1 
     COPYRIGHT: (C)2022,JPO&INPIT
Patent JP-2022100393-A (JP)
Title: Manufacturing method for coil component, manufacturing method for taping reel, electronic component, and manufacturing method for the same
IPC: H01F41/088
Filed: 2022-04-28
Abstract: PROBLEM TO BE SOLVED: To provide a manufacturing method for a coil component capable of reducing the occurrence of kinking in a wire. 
     SOLUTION: A manufacturing method for a coil component includes the steps of twisting a plurality of wires in a first twisting direction to form a first twisted wire section, twisting the plurality of wires in a second twisting direction opposite to the first twisting direction to form a second twisted wire section, winding at least the first twisted wire section around a winding core part of a core to manufacture a first coil component, and winding at least the second twisted wire section around the winding core part of the core to manufacture another coil component. 
     SELECTED DRAWING: Figure 8 
     COPYRIGHT: (C)2022,JPO&INPIT
Patent JP-2023165555-A (JP)
Title: 画像処理装置、撮像装置、制御方法及びプログラム
IPC: H04N23/60
Filed: 2022-05-06
Abstract: 【課題】撮像状況や被写体の状態に応じてマッチング方式を切り替えて好適な被写体追尾を行う。【解決手段】画像処理装置は、入力された撮像画像に含まれる所定の被写体の像を追尾する画像処理装置であって、撮像画像を取得する第１の取得手段と、撮像画像に含まれる所定の被写体の像の位置を特定する追尾処理を実行する追尾手段であって、各々異なるマッチング方式で追尾処理を実行する第１の追尾手段と第２の追尾手段とを含む追尾手段と、所定の被写体の状態及び撮像画像の撮像状況の少なくともいずれかを示す状況情報を取得する第２の取得手段と、状況情報に基づいて、第１の取得手段により取得された撮像画像について第１の追尾手段と第２の追尾手段のいずれを用いて追尾処理を行うかを切り替える制御手段と、を有し、第１の追尾手段に採用されるマッチング方式は、第２の追尾手段に採用されるマッチング方式よりも、追尾処理の実行に係る消費電力が少ない。【選択図】図１
Patent JP-2023167467-A (JP)
Title: 構造物
IPC: B28B1/30
Filed: 2022-05-12
Abstract: 【課題】３Ｄプリンタを利用して形成された、機能をもたらすための複数の空間を確保した構造物を提案する。【解決手段】３Ｄプリンタのノズルから吐出されたセメント系材料２を積層することにより形成された構造物１０であって、外形を形成する外層部３と、外層部３の内部空間５をコンクリート打設用領域５１と中空領域５２と連結用領域５３に区画する内層部４とを有している。外層部３と内層部４は、連続したセメント系材料２により形成されている。【選択図】図４
Patent JP-2023173638-A (JP)
Title: 基板処理装置
IPC: H05K3/34
Filed: 2022-05-26
Abstract: 【課題】加圧対象物に加わる荷重を均一にすることを可能とする基板処理装置を提供する。【解決手段】上治具プレート４４で加圧対象物である基板２を加圧する基板処理装置１０であって、上治具プレート４４の下に配置される下治具プレート４６と、下治具プレート４６の上に設けられ、基板２が配置される設置ベース４７と、を有し、設置ベース４７は、設置ベース４７の変形を許容可能に、下治具プレート４６に仮固定されている。【選択図】図８Ａ
Patent JP-2023020891-A (JP)
Title: Calibration device and method for parallax optical element
Inventor: HWANG CHANSOL
IPC: G06F3/0488
Filed: 2022-05-30
Abstract: To provide a calibration interface for an individual user.SOLUTION: An electronic device receives an input for performing calibration relative to a parallax optical element from a user who observes a pattern image at a reference viewpoint among a plurality of viewpoints, adjusts at least one of a pitch parameter of the parallax optical element, an oblique angle parameter, and a position offset parameter based on the received input, and performs feedback of a modified pattern image through a display by re-rendering a calibration pattern according to the adjusted parameter.SELECTED DRAWING: Figure 1
Patent JP-2023176584-A (JP)
Title: 作業台
IPC: E04G1/22
Filed: 2022-05-31
Abstract: 【課題】作業床の高さを円滑に調整することができる作業台を提供する。【解決手段】作業台は作業床と支持部とを備える。支持部は、作業床の長辺方向における一方側を支持する第１支持部と、作業床の長辺方向における他方側を支持する第２支持部とを有する。第１支持部および第２支持部はそれぞれ、作業床の短辺方向に離れて設けられる一対の支柱と、一対の支柱を接続するように短辺方向に延びる第１繋ぎ材および第２繋ぎ材とを有する。一対の支柱はそれぞれ、上下方向に延びる第１部材と、第１部材よりも上方に延びかつ第１部材に対して上下方向に移動できるように第１部材に支持された第２部材とを有する。第１繋ぎ材は第１部材同士を接続し、第２繋ぎ材は第２部材同士を接続する。第１支持部および第２支持部のうちの少なくとも一方は、第１繋ぎ材と第２繋ぎ材とを接続するように上下方向に延びかつ上下方向に伸縮可能な補助部材を有する。【選択図】 図５
Patent JP-2023178038-A (JP)
Title: 生分解性ポリマー、生分解性ポリマーを含む中空粒子及びその製造方法
IPC: C08G63/91
Filed: 2022-06-03
Abstract: 【課題】簡便かつ安全な方法を用いて製造することができる、生分解性ポリマーを含む中空粒子を提供する。【解決手段】一実施態様の中空粒子は、ε－カプロラクトンに由来する繰り返し構造を含むポリエステル主鎖と、側鎖に光二量化基とを有する生分解性ポリマーを含み、光二量化基の少なくとも一部が二量化している。【選択図】図１
Patent JP-2023178100-A (JP)
Title: 管理方法、情報処理装置、情報管理システムおよび血液分析装置
IPC: G16H20/10
Filed: 2022-06-03
Abstract: 【課題】血液製剤の測定結果と、測定結果以外の血液製剤に関する他の情報とを一元管理できる管理方法、情報処理装置、情報管理システムおよび血液分析装置を提供する。【解決手段】血液製剤に関する情報をコンピュータによって管理する方法において、血液製剤から採取された検体の検体識別情報として血液製剤の製剤識別情報を用いて血液分析装置１により測定された検体の測定結果と、検体識別情報とを取得し、血液製剤に関する情報が製剤識別情報に対応付けて記憶されるデータベース２ａにおいて、測定結果と、測定結果以外の血液製剤に関する他の情報とを、検体識別情報として用いられた製剤識別情報に基づいて関連付ける。【選択図】図１
Patent JP-2023178617-A (JP)
Title: 給餌器
IPC: A01K7/02
Filed: 2022-06-06
Abstract: 【課題】 ペットに給餌するだけでなく、ペットに知育、運動及び娯楽を提供することができる給餌器を提供する。【解決手段】 餌を収納し、周面に穴を有するドラムと、前記ドラムを回転可能に支持する支持部と、前記ドラムの下方に位置する受け部と、前記ドラムの前記穴から放出された餌を前記受け部に導くスライダと、を具備し、前記ドラムの回転に伴って前記穴から放出された餌が前記スライダに接触し、前記受け部に案内されること、を特徴とする給餌器。【選択図】図１
Patent JP-2023178745-A (JP)
Title: 情報処理装置、情報処理方法、およびプログラム
IPC: G06T7/20
Filed: 2022-06-06
Abstract: 【課題】人が行動を継続した時間をより精度よく把握することができる技術を提供する。【解決手段】情報処理装置（１）は、センサ情報に基づいて、人および物体を検出する検出部（１１）と、人および物体の関連性に基づいて、人の行動を認識する認識部（１２）と、行動の認識結果に基づいて、人が行動を継続した時間を計測する計測部（１３）とを備える。【選択図】図１
Patent JP-2023180794-A (JP)
Title: 画像形成装置
IPC: G03G15/16
Filed: 2022-06-10
Abstract: 【課題】二成分現像剤を用いる中間転写方式において、除電装置の特性変化に係わらず、キャリア現像による画像不具合の発生を効果的に抑制可能な画像形成装置を提供する。【解決手段】画像形成装置は、像担持体と、帯電装置と、露光装置と、現像装置と、を有する複数の画像形成部と、中間転写ベルトと、一次転写部材と、除電装置と、転写電圧電源と、制御部と、を備える。除電装置は、像担持体の現像領域から一次転写ニップ部までの領域に転写前イレース光を照射する。転写電圧電源は、一次転写部材にトナーと逆極性の一次転写電圧を印加する。制御部は、一次転写電圧を固定した状態での転写前イレース光の出力と一次転写電流との関係である転写前イレース特性を、像担持体の軸方向の複数の領域に分割して取得し、取得された転写前イレース特性に基づいて転写前イレース光の出力および一次転写電流を制御する。【選択図】図１３