Patents Issued in October 31, 2024
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Publication number: 20240361699Abstract: A method of forming a microelectronic device includes forming positive tone photoresist on the microelectronic device, filling a trench, extending over a top surface adjacent to the trench, and covering a thickness monitor on a substrate containing the microelectronic device. The photoresist in and over the trench is exposed at a trench energy dose, and the photoresist in the monitor area is exposed at a monitor energy dose that is less than the trench energy dose. The photoresist is developed, leaving photoresist in the trench having an in-trench thickness less than the depth of the trench and leaving an in-monitor thickness of the photoresist on the monitor area less than an unexposed thickness. The in-monitor thickness of the photoresist on the monitor area may be measured and the measured thickness value may be used with a calibration chart to estimate the in-trench thickness of the photoresist.Type: ApplicationFiled: April 28, 2023Publication date: October 31, 2024Inventors: Yunlong Liu, Hong Yang, Peng Li, Yung Shan Chang, Sheng Pin Yang, Ya Ping Chen
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Publication number: 20240361700Abstract: A method for producing a printing plate, containing: an exposure step of forming a relief by the exposure of a photosensitive resin composition; and a developing step of performing development by attaching or adsorbing the photosensitive resin composition of an unexposed portion in the exposure step to a development medium, wherein a storage elastic modulus of the photosensitive resin composition of the unexposed portion at a development temperature of the developing step is 100 Pa or more and 4000 Pa or less, and the development medium is a wiper having an elastic recovery rate of 30% or more and 99% or less.Type: ApplicationFiled: September 9, 2022Publication date: October 31, 2024Applicant: ASAHI KASEI KABUSHIKI KAISHAInventors: Yuka YOSHIDA, Takumi ISHII
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Publication number: 20240361701Abstract: A method of inspecting an extreme ultraviolet (EUV) radiation source includes, in an idle mode, inserting a borescope mounted on a fixture through a first opening into a chamber of the EUV radiation source. The borescope includes a connection cable attached at a first end to a camera. The EUV radiation source includes an excitation laser that generates a light beam that is configured to focus onto tin droplets to generate EUV radiation inside the chamber of the EUV radiation source. The method further includes extending the extendible section, in a direction toward the second opening of the EUV radiation source, to move the camera beyond the blocking shield, and acquiring one or more images from a region beyond the blocking shield. The method also includes analyzing the one or more acquired images to determine an amount of tin debris deposited inside the chamber of the EUV radiation source.Type: ApplicationFiled: July 9, 2024Publication date: October 31, 2024Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Chiao-Hua CHENG, Sheng-Kang YU, Shang-Chieh CHIEN, Wei-Chun YEN, Heng-Hsin LIU, Ming-Hsun TSAI, Yu-Fa LO, Li-Jui CHEN, Wei-Shin CHENG, Cheng-Hsuan WU, Cheng-Hao LAI, Yu-Kuang SUN, Yu-Huan CHEN
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Publication number: 20240361702Abstract: A method including: obtaining a detected representation of radiation redirected by each of a plurality of structures from a substrate additionally having a device pattern thereon, wherein each structure has an intentional different physical configuration of the respective structure than the respective nominal physical configuration of the respective structure, wherein each structure has geometric symmetry at the respective nominal physical configuration, wherein the intentional different physical configuration of the structure causes an asymmetric optical characteristic distribution and wherein a patterning process parameter measures change in the physical configuration; and determining a value, based on the detected representations and based on the intentional different physical configurations, to setup, monitor or correct a measurement recipe for determining the patterning process parameter.Type: ApplicationFiled: March 29, 2024Publication date: October 31, 2024Applicant: ASML NETHERLANDS B.V.Inventors: Anagnostis TSIATMAS, Paul Christiaan Hinnen, Elliott Gerard MC NAMARA, Thomas Theeuwes, Maria Isabel DE LA FUENTE VALENTIN, Mir Homayoun SHAHRJERDY, Arie Jeffrey DEN BOEF, Shu-jin WANG
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Publication number: 20240361703Abstract: A sensor apparatus includes a sensor chip, an illumination system, a first optical system, a second optical system, and a detector system. The illumination system is coupled to the sensor chip and transmits an illumination beam along an illumination path. The first optical system is coupled to the sensor chip and includes a first integrated optic to configure and transmit the illumination beam toward a diffraction target on a substrate, disposed adjacent to the sensor chip, and generate a signal beam including diffraction order sub-beams generated from the diffraction target. The second optical system is coupled to the sensor chip and includes a second integrated optic to collect and transmit the signal beam from a first side to a second side of the sensor chip. The detector system is configured to measure a characteristic of the diffraction target based on the signal beam transmitted by the second optical system.Type: ApplicationFiled: July 10, 2024Publication date: October 31, 2024Applicants: ASML Holding N.V., ASML Netherlands B.V.Inventors: Mohamed SWILLAM, Stephen ROUX, Tamer Mohamed Tawfik Ahmed Mohamed ELAZHARY, Arie Jeffrey DEN BOEF
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Publication number: 20240361704Abstract: When simulating illumination and imaging properties of an optical production system when illuminating and imaging an object by use of an optical measurement system of a metrology system, the optical measurement system having an illumination optical unit for illuminating the object and a pupil stop, in particular a displaceable pupil stop, and having an imaging optical unit for imaging the object into an image plane is initially provided. When simulating the properties of the optical production system with the optical measurement system, a plurality of pupil stops are initially provided. Measurement aerial images are then recorded by use of the plurality of pupil stops. A complex mask transfer function is reconstructed from the recorded measurement aerial images and a 3-D aerial image is determined from this function and the illumination setting of the optical production system. This yields an improved simulation method.Type: ApplicationFiled: July 10, 2024Publication date: October 31, 2024Inventors: Klaus Gwosch, Markus Koch, Renzo Capelli, Matthias Roesch, Lars Stoppe, Manuel Decker
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Publication number: 20240361705Abstract: Disclosed is a dark-field interferometric microscope and associated microscopy method. The microscope comprises an object branch being operable to propagate object radiation onto a sample and collect resultant scattered radiation from said sample and a reference branch being operable to propagate reference radiation. The object radiation and said reference radiation are mutually pointwise spatially coherent. A filter arrangement removes a zeroth order component from said scattered radiation to provide filtered scattered radiation; and a detection arrangement detects an interferometric image from interference of said filtered scattered radiation and reference radiation.Type: ApplicationFiled: June 7, 2022Publication date: October 31, 2024Applicant: ASML NETHERLANDS B.V.Inventor: Sergey TARABRIN
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Publication number: 20240361706Abstract: The invention provides a position measurement system to measure a position of an object in a movement direction relative to a reference, said position measurement system comprising: —a diffraction grating, and —an interferometer, wherein the interferometer is configured to direct a measurement beam to the diffraction grating in a measuring direction that is orthogonal to the movement direction of the object, and wherein the diffraction grating is oriented relative to the interferometer such that the measurement beam is substantially at a Littrow angle of the diffraction grating so that a diffracted beam to be received by the interferometer is substantially parallel to the measuring direction.Type: ApplicationFiled: June 30, 2022Publication date: October 31, 2024Applicant: ASML Netherlands B.V.Inventor: Marcus Adrianus VAN DE KERKHOF
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Publication number: 20240361707Abstract: An exposure apparatus for projecting a pattern of an original onto a substrate by a projection optical system, and exposing the substrate, is provided. The apparatus includes a stage configured to move while holding the substrate, a measurement device configured to perform, at a plurality of measurement points in an exposure region, measurement of a height position of the substrate held by the stage, and a controller configured to control the measurement device, and correct a position of the stage based on a result of the measurement such that a shift amount of the height position with respect to an image plane of the projection optical system is decreased. The controller is configured to set the plurality of measurement points in the exposure region based on information regarding the exposure region.Type: ApplicationFiled: April 17, 2024Publication date: October 31, 2024Inventor: JUNICHI MOTOJIMA
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Publication number: 20240361708Abstract: A lithography system is provided capable of deterring contaminants, such as tin debris from entering into the scanner. The lithography system in accordance with various embodiments of the present disclosure includes a processor, an extreme ultraviolet light source, a scanner, and a hollow connection member. The light source includes a droplet generator for generating a droplet, a collector for reflecting extreme ultraviolet light into an intermediate focus point, and a light generator for generating pre-pulse light and main pulse light. The droplet generates the extreme ultraviolet light in response to the droplet being illuminated with the pre-pulse light and the main pulse light. The scanner includes a wafer stage. The hollow connection member includes an inlet that is in fluid communication with an exhaust pump. The hollow connection member provides a hollow space in which the intermediate focus point is disposed.Type: ApplicationFiled: July 8, 2024Publication date: October 31, 2024Inventors: Chieh HSIEH, Tai-Yu CHEN, Cho-Ying LIN, Heng-Hsin LIU, Li-Jui CHEN, Shang-Chieh CHIEN
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Publication number: 20240361709Abstract: Provided is a process cartridge capable of suppressing the occurrence of a banding image that is detachably attachable onto a main body of an electrophotographic apparatus. A developing roller and a toner supply roller are configured to be rotated so that R represented by the following formula (E1) satisfies 1.2?R?1.5 and are configured so that a movement direction of a surface of the developing roller is opposite to a movement direction of a surface of the toner supply roller at a contact position with respect to the toner supply roller: R=VRS/VD Formula (E1) (in the formula (E1), VRS represents an absolute value of a peripheral speed [m/s] of the toner supply roller, and VD represents an absolute value of a peripheral speed [m/s] of the developing roller). An electrophotographic photosensitive member includes a surface layer containing a polyarylate resin including a structural unit represented by the following formula (A1).Type: ApplicationFiled: April 25, 2024Publication date: October 31, 2024Inventors: CHIHARU AKIYAMA, KANAME WATARIGUCHI, TSUTOMU NISHIDA
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Publication number: 20240361710Abstract: An image forming system includes, an electrostatic charge image developing toner; and a developing sleeve configured to convey the electrostatic charge image developing toner, wherein a toner particle included in the electrostatic charge image developing toner contains an amorphous polyester, the amorphous polyester is a polycondensate of a polyvalent carboxylic acid and a polyhydric alcohol, a content percentage of a structural unit derived from a bisphenol A derivative in the amorphous polyester is 10 mol % or less with respect to all structural units derived from the polyhydric alcohol, and the developing sleeve includes an aluminum alloy including more than 0.6% by mass of silicon.Type: ApplicationFiled: April 24, 2024Publication date: October 31, 2024Inventors: Yukiko NAKAI, Michiaki ISHIKAWA, Yusuke TAKIGAURA, Junya ONISHI, Keiji ARAI
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Publication number: 20240361711Abstract: An image forming apparatus includes: an exposure head including a light emitting portion that includes a first electrode layer including a plurality of electrodes that are two-dimensionally arranged in a main scanning direction and a sub-scanning direction, a light emitting layer stacked on the first electrode layer, and a second electrode layer through which light is transmissible; and a controller configured to control a voltage applied to each of the plurality of electrodes in such a way that the light emitting layer emits light, in which the plurality of electrodes for forming an identical pixel are arranged in such a way that the electrodes partially overlap each other when viewed from the rotation direction, and an inter-centroid distance of the plurality of electrodes in the rotational axis direction is equal in the rotational axis direction, and d3=W1/n (n is a natural number of 2 or more), in which W1 [mm] is a width of the electrode in the rotational axis direction, n is the number of electrodes forType: ApplicationFiled: July 12, 2024Publication date: October 31, 2024Inventor: YASUTOMO FURUTA
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Publication number: 20240361712Abstract: A fixing device includes a fixing rotator, a heater, a pressure rotator, a nip formation pad, and a slide aid sheet. The fixing rotator is rotatable in a rotation direction. The heater heats the fixing rotator. The pressure rotator contacts an outer circumferential face of the fixing rotator. The nip formation pad is inside a loop of the fixing rotator to form a nip between the fixing rotator and the pressure rotator. The slide aid sheet is on the nip formation pad and faces the fixing rotator. The slide aid sheet includes a carbon fiber extending in a width direction orthogonal to a rotation direction of the fixing rotator.Type: ApplicationFiled: April 18, 2024Publication date: October 31, 2024Inventors: Hiroshi YOSHINAGA, Takashi SETO, Ryohhei SUGIYAMA, Ryohei MATSUDA, Yoshiki YAMAGUCHI
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Publication number: 20240361713Abstract: A paper guide is disposed at an introduction unit of a fixing device of an image forming device. The paper guide is disposed over a width direction of a transfer path through which a sheet is guided to the introduction unit. One end portion and another end portion, in the width direction, of the transfer path of the paper guide have a step-down surface that retracts from the sheet.Type: ApplicationFiled: April 25, 2024Publication date: October 31, 2024Inventors: Minoru TOMIYORI, KIMIHIDE TSUKAMOTO, Yosuke ASANO
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Publication number: 20240361714Abstract: An image forming apparatus according to an aspect of the present disclosure includes a fixing device and a controller. The fixing device includes a fixing member, a pressure member, a heating member, and a temperature sensor. The controller cuts off power supply to the heating member when the temperature detected by the temperature sensor has risen to a cutoff temperature higher than the target temperature and thereafter resumes power supply to the heating member when the detected temperature has fallen below the cutoff temperature, and performs the PID control while limiting a maximum power supplied to the heating member to an upper limit power, which is a power supplied to the heating member at the time when the detected temperature has risen to the cutoff temperature, during a period from when power supply is resumed until a predetermined specific period of time elapses.Type: ApplicationFiled: April 19, 2024Publication date: October 31, 2024Applicant: KYOCERA Document Solutions Inc.Inventors: Akihiro KONDO, Ryohei TOKUNAGA, Yuta KITABAYASHI, Rina KIKUGAWA, Hiroki KAWASAKI, Shunsaku FUJII, Yuto MASAOKA
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Publication number: 20240361715Abstract: A heating device includes a first rotator, a second rotator, a heater, a nip formation pad, a reflector, and a shield. The second rotator faces the first rotator. The heater heats the first rotator. The nip formation pad is inside a loop of the first rotator to form a nip between the first rotator and the second rotator. The nip formation pad has a nip side face facing an inner circumferential surface of the first rotator. The reflector reflects radiant heat radiated from the heater toward the inner circumferential surface of the first rotator. The reflector contacts the nip side face of the nip formation pad. The shield contacts the reflector and shields the first rotator from the radiant heat radiated from the heater.Type: ApplicationFiled: April 25, 2024Publication date: October 31, 2024Inventors: Yoshiki YAMAGUCHI, Hiroshi YOSHINAGA, Takashi SETO, Ryohei MATSUDA
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Publication number: 20240361716Abstract: The fixing device includes: a rotatable endless fixing belt; a heater that heats the fixing belt; a holding member that holds the heater so that a front surface thereof is in contact with an inner peripheral surface of the fixing belt; and a pressure member that is pressed against the heater with the fixing belt therebetween and to form a pressure area between the pressure member and the fixing belt where a sheet to which a toner image has been transferred is heated and pressed. A uniform heating layer is formed on a rear side of the heater without any gaps.Type: ApplicationFiled: April 26, 2024Publication date: October 31, 2024Inventors: Rina Kikugawa, Ryohei Tokunaga, Akihiro Kondo, Yuta Kitabayashi, Hiroki Kawasaki, Shunsaku Fujii, Yuto Masaoka
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Publication number: 20240361717Abstract: A heater includes: a substrate; an insulating layer that is provided on the substrate; and a heat generating element that is provided on the insulating layer, and in a case where a region including a center of the substrate is defined as a first region, a region on a side closer to one end portion than the first region is defined as a second region, and a region on a side closer to the other end portion than the first region is defined as a third region in a transverse direction that is orthogonal to a longitudinal direction of a surface of the substrate on which the insulating layer is provided, the first region is a plane, and the second region and the third region are bent from the first region in a thickness direction of the substrate that is orthogonal to the longitudinal direction and the transverse direction.Type: ApplicationFiled: June 28, 2024Publication date: October 31, 2024Inventors: TATSUYA KINUKAWA, YUTAKA SATO, SHO TAGUCHI, TOMOO AKIZUKI, YUKI OSHIMA, OSAMU SASAOKA, MASAFUMI MAEDA
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Publication number: 20240361718Abstract: An image forming apparatus includes a plurality of feeding decks each containing a recording sheet, a display unit, an image forming unit that forms an image on the recording sheet conveyed from one of the plurality of feeding decks, a scanning unit that scans the image formed by the image forming unit, one or more processors and one or more memories cooperating to perform control to display information about the plurality of feeding decks on the display unit and select a feeding deck from among the plurality of feeding decks based on a user instruction, and a diagnosis unit that diagnoses a defective part in the image forming unit based on the image formed on the recording sheet by the image forming unit, the recording sheet being conveyed from the selected feeding deck, the image being obtained by scanning by the scanning unit.Type: ApplicationFiled: April 24, 2024Publication date: October 31, 2024Inventor: MASASHI OYA
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Publication number: 20240361719Abstract: An optical detecting apparatus includes a substrate having a surface, on which a light emitter and a first light receiver are arranged, and a housing. The housing has a fixture surface, onto which the surface of the substrate is fixed, and an attachable surface on a side opposite to the fixture surface. The housing includes an emitted-light guiding path formed through the housing between the fixture surface and the attachable surface for light emitted from the light emitter to pass there-through and a first receiving-light guiding path formed through the housing between the fixture surface and the attachable surface for light to be received by the first light receiver to pass there-through. The housing includes an attachable portion formed on the attachable surface. The attachable portion protrudes in a direction to extend away from the substrate.Type: ApplicationFiled: March 1, 2024Publication date: October 31, 2024Applicant: BROTHER KOGYO KABUSHIKI KAISHAInventor: Mikio INUZUKA
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Publication number: 20240361720Abstract: A charge eliminating apparatus includes a charge eliminating member, a moving unit, and a controller. The controller configured to execute a first processing in which charge of a sheet is eliminated by applying voltage to the charge eliminating member in a state where the charge eliminating member is positioned at a contact position, and a second processing in which charge of a sheet is not eliminated while voltage is not applied to the charge eliminating member in a state where the charge eliminating member is positioned at the contact position. In a mixed job in which a first type of sheet and a second type of sheet that differs from the first type of sheet are conveyed, the controller is configured to execute the first processing to the first type of sheet and execute the second processing to the second type of sheet.Type: ApplicationFiled: April 12, 2024Publication date: October 31, 2024Inventors: HIROYUKI EDA, RYOU SAKAGUCHI, RIKI FUKUHARA, SHIN IWASAKI, YUKO SHIMPO
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Publication number: 20240361721Abstract: A developing device includes a conveying member to circulate a developer in a housing, a developer discharge portion extending from one end portion of the housing to form a passage through which surplus developer is discharged from the housing, and a discharge regulation member located on an upstream side of the developer discharge portion with respect to a direction in which the developer is conveyed to the developer discharge portion by the conveying member to partially block a conveying path of the developer. The discharge regulation member includes a lower end portion and an upper end portion arranged apart from a bottom and an upper wall of the conveying path, respectively.Type: ApplicationFiled: October 7, 2021Publication date: October 31, 2024Applicant: Hewlett-Packard Development Company, L.P.Inventors: Jonghyun Park, Jonghwa Park, Hojin Jang
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Publication number: 20240361722Abstract: An image forming apparatus includes an image forming unit including an image bearing member, and a casing on which a discharge port is formed, the casing including a first frame, a second frame disposed below the first frame in a vertical direction, a side cover, and a top cover, the first frame including a side plate that supports an end, in a longitudinal direction, of the image bearing member. At least one of the top cover and the first frame includes a first pillar portion. The second frame includes a second pillar portion. The side cover includes a third pillar portion disposed between the first pillar portion and the second pillar portion in the vertical direction, the third pillar portion being provided at a position at least partially overlapping with the first pillar portion and the second pillar portion when viewed in the vertical direction.Type: ApplicationFiled: July 8, 2024Publication date: October 31, 2024Inventor: ATSUYUKI YUZAWA
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Publication number: 20240361723Abstract: A cartridge comprises a shield member including a shield portion capable of covering a photosensitive member, the shield member being movable between a first position in which the shield portion covers the photosensitive member and a second position in which the photosensitive member is more exposed to outside of the cartridge by the shield portion than when the shield member is in the first position. A first engaging portion is engageable with the shield member to hold the shield member in the first position when the shield member is in the first position. A second engaging portion is engageable with the shield member to hold the shield member in the second position when the shield member is in the second position.Type: ApplicationFiled: July 10, 2024Publication date: October 31, 2024Inventors: SOHTA SUGIMOTO, SHUNSUKE HIJIKATA, NAOKI HAYASHI, YU FUKASAWA, SEIYA ISHIKAWA, SHINICHI NISHIDA, SHINJIRO TOBA, TAKEO KAWANAMI, YUICHI FUKUI, YASUYUKI EGAMI
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Publication number: 20240361724Abstract: Provided is a process cartridge being detachably attachable onto a main body of an electrophotographic apparatus. The process cartridge includes an electrophotographic photosensitive member, a developing roller, and a toner-supplying roller. The developing roller and the toner-supplying roller are rotated so as to satisfy a particular velocity ratio so that the surface of the developing roller and the surface of the toner-supplying roller are opposite to each other at a contact position therebetween. The surface of the developing roller is a surface of an elastic layer, and the toner-supplying roller includes a shaft body and a resin layer formed on an outer peripheral surface of the shaft body. The electrophotographic photosensitive member includes a surface layer containing a polyarylate resin including a structural unit represented by the following formula (A1) and a structural unit represented by the following formula (A2).Type: ApplicationFiled: April 25, 2024Publication date: October 31, 2024Inventors: CHIHARU AKIYAMA, KANAME WATARIGUCHI, TSUTOMU NISHIDA
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Publication number: 20240361725Abstract: Provided is a process cartridge being detachably attachable onto a main body of an electrophotographic apparatus. The process cartridge includes an electrophotographic photosensitive member, a developing roller, and a toner-supplying roller. The developing roller and the toner-supplying roller are configured to be opposite to each other at a contact position between the developing roller and the toner-supplying roller, and to be rotated while R represented by the following formula (E1) satisfies 1.2?R?1.5: R=VRS/VD Formula (E1) (in the formula (E1), VRS represents an absolute value of a peripheral velocity [m/s] of the toner-suppling roller, and VD represents an absolute value of a peripheral velocity [m/s] of the developing roller). The electrophotographic photosensitive member includes a surface layer containing a polycarbonate resin including a structural unit represented by the formula (A1).Type: ApplicationFiled: April 25, 2024Publication date: October 31, 2024Inventors: KANAME WATARIGUCHI, TSUTOMU NISHIDA, CHIHARU AKIYAMA
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Publication number: 20240361726Abstract: An image forming device is provided with a housing formed with an opening, a cover configured to move between a closing position and an opening position, and a plurality of process cartridges including a first process cartridge and a second process cartridge. The first and second process cartridges respectively include first and second photosensitive drums configured to rotate about first and second drum axes both extending in a first direction. The first and second developing devices are configured to supply toner to the first and second photosensitive drums, respectively. The first and second supplying devices are formed with first and second supply ports through which the toner to be supplied to the first and second developing devices are provided, respectively. Both the first and second supplying ports are opened to outside the housing.Type: ApplicationFiled: July 8, 2024Publication date: October 31, 2024Inventors: Shougo SATO, Kazuna TAGUCHI, Shunsuke ISHII
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Publication number: 20240361727Abstract: A deep learning-based digital holographic continuous phase noise reduction method for microstructure measurement is provided. A MEMS microstructure is simulated to generate an object phase image through generation of random matrix superposition, noise in a digital holographic continuous phase map is simultaneously simulated to generate a noise grayscale image, and a simulation data set is thus created. An end-to-end convolutional neural network is designed, and a trained convolutional neural network is trained and obtained. A holographic interference pattern of an object under measurement is collected by photographing, and after spectrum extraction, angular spectrum diffraction, phase unwrapping, and distortion compensation, a continuous phase map containing only the object phase and noise is obtained and input into the trained convolutional neural network to obtain an object phase map.Type: ApplicationFiled: March 7, 2024Publication date: October 31, 2024Applicant: ZHEJIANG SCI-TECH UNIVERSITYInventors: Benyong CHEN, Jianjun TANG, Liping YAN, Liu HUANG
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Publication number: 20240361728Abstract: Provided is a method of recording a digital holographic portrait photograph, which is performed by an apparatus for recording a digital holographic portrait photograph, the method including the steps of: (a) performing a preliminary test using a plurality of cameras arranged at a specific rotation angle; (b) determining a maximum allowable angle between the cameras through the preliminary test; (c) acquiring a plurality of images using the plurality of cameras arranged at the maximum allowable angle; and (d) interpolating the plurality of images to record a holographic portrait photograph.Type: ApplicationFiled: September 19, 2023Publication date: October 31, 2024Inventors: SEUNGHYUN LEE, LEEHWAN HWANG, SOONCHUL KWON, Philippe Gentet, Yves Gentet
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Publication number: 20240361729Abstract: Time-to-digital converters (TDC) employing a single-stage delay pair for a wide input range and reduced quantization noise in a phase-locked loop (PLL) and related fabrication methods are disclosed. Aspects disclosed in the detailed description include a single-stage Vernier time-to-digital converter (TDC) which mitigates the device mismatch impact and therefore avoids possible spurious tones in a fractional-N PLL application. Combined with a delta-sigma noise shaping stage and a ring-oscillator based coarse TDC, the invention achieves a good trade-off between resolution, detection range and PLL locking speed.Type: ApplicationFiled: April 28, 2023Publication date: October 31, 2024Inventors: Ping LU, Minhan CHEN
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Publication number: 20240361730Abstract: A wearable electronic device can include a housing defining an internal volume, a sensor configured to detect an environment of the wearable electronic device. A display can be movably connected to the housing, and an actuator disposed in the internal volume and connected to the display. The actuator can move the display based on a detected change in the environment.Type: ApplicationFiled: April 25, 2023Publication date: October 31, 2024Inventors: Patrick J. Crowley, Collin J. Richardson, Jason A. Granger
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Publication number: 20240361731Abstract: The present disclosure provides a method and an Internet of Things system for safety supervision of smart gas operation quality. The method is executed by a government safety supervision management platform, including obtaining initial gas data and first distributed gas data; determining whether the first distributed gas data is abnormal based on the initial gas data; in response to a determination that the first distributed gas data is abnormal, obtaining a residual computing resource, and updating a preset frequency based on the residual computing resource; in response to a determination that a second distributed gas data is abnormal, determining at least one suspect pipeline network segment based on the second distributed gas data; obtaining a first detection data sequence; determining a target regulation parameter based on the first detection data sequence, and generating and transmitting a control instruction to the gas company management platform.Type: ApplicationFiled: July 4, 2024Publication date: October 31, 2024Applicant: CHENGDU QINCHUAN IOT TECHNOLOGY CO., LTD.Inventors: Zehua SHAO, Yong LI, Yuefei WU, Guanghua HUANG
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Publication number: 20240361732Abstract: A method and system for robotic multi-peg-in-hole assembly based on hierarchical reinforcement and distributed learning, including: establishing a master-control assembly-strategy model based on deep reinforcement learning by using data of states and actions of a robot; constructing a plurality of sub-process networks based on different assembly interaction environments, updating and training the master-control assembly-strategy model by using interaction data of the robot obtained by the constructed plurality of sub-process networks, and obtaining a trained master-control assembly-strategy model; and controlling and instructing the robot to execute an assembly task of a robotic multi-peg-in-hole assembly by using the trained master-control assembly-strategy model.Type: ApplicationFiled: April 29, 2024Publication date: October 31, 2024Applicant: SHANDONG UNIVERSITYInventors: Rui SONG, Xincheng TIAN, Xuewen RONG, Xin MA, Lelai ZHOU, Guoteng ZHANG, Hui CHAI, Zhe MIN
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Publication number: 20240361733Abstract: A system includes vibration sensors coupled to equipment and an edge device arranged between the vibration sensors and a communications network. The edge device detects an abnormality in vibration data from the vibration sensors, performs signal processing on the vibration data to obtain inputs for a machine learning model, determines whether the abnormality is occurring by applying the inputs to the machine learning model, and determines a trend associated with the abnormality based on outputs of the machine learning model. The trend characterizes a change in a degree of the abnormality or a duration of the abnormality. The edge device causes the vibration data to be communicated to a computing system via the communications network in response to the trend satisfying a criterion and compares the trend to the criterion to distinguish new abnormalities or substantial changes in abnormalities from substantially constant abnormalities.Type: ApplicationFiled: July 5, 2024Publication date: October 31, 2024Inventors: Matthias Walczyk, Andrew S. Pike, John M. Sullivan, Kelsey C. Schuster, Christopher J. Verink
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Publication number: 20240361734Abstract: Techniques are provided herein for creating well-balanced computer-based reasoning systems and using those to control systems. The techniques include receiving a request to determine whether to include one or more particular data elements in a computer-based reasoning model and determining two probability density or mass functions (“PDMFs”), one for the data set including the one or more particular data elements, once for the data set excluding it. Surprisal is determined based on those two PDMFs, and inclusion in the computer-based reasoning model is determined based on surprisal. A system is later controlled using the computer-based reasoning model.Type: ApplicationFiled: April 30, 2024Publication date: October 31, 2024Inventor: Christopher James Hazard
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Publication number: 20240361735Abstract: Methods, apparatuses, and computer program products are disclosed for monitoring chiller efficiency degradation. An example method receives a first data set comprising chiller operations data and chiller efficiency data over a first time interval. The method receives a second data set comprising chiller operations data and chiller efficiency data over a second time interval. The method generates, with the machine learning model, a data prediction based upon the first data set and the chiller operations data of the second data set, wherein the data prediction comprises expected chiller efficiency data over the second time interval. The method determines a chiller efficiency degradation level based on a difference between the data prediction and the chiller efficiency data of the second data set.Type: ApplicationFiled: April 28, 2023Publication date: October 31, 2024Inventor: Zdenek SCHINDLER
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Publication number: 20240361736Abstract: A building management system (BMS) of a building for controlling a healthcare facility. The BMS including one or more processing circuits comprising one or more memory devices configured to store instructions thereon that, when executed by one or more processors, cause the one or more processors to: receive inputs from building devices; determine a state-of-mind (SoM) score of a patient based on the inputs using a learning model; and control one or more building devices based on the SoM score while maintaining a temperature, a humidity, and a pressure within a compliance standard within the building.Type: ApplicationFiled: May 11, 2022Publication date: October 31, 2024Inventors: Julie J. Brown, Brendon F. Buckley
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Publication number: 20240361737Abstract: A mobile device can provide predictive user assistance based on various sensor readings, independently of or in addition to a location of the mobile device. The mobile device can determine a context of an event. The mobile device can store the context and a label of the event on a storage device. The label can be provided automatically by the mobile device or by the external system without user input. At a later time, the mobile device can match new sensor readings with the stored context. If a match is found, the mobile device can predict that the user is about to perform the action or recognize that the user has performed the action again. The mobile device can perform various operations, including, for example, providing user assistance, based on the prediction or recognition.Type: ApplicationFiled: March 13, 2024Publication date: October 31, 2024Inventors: Lukas M. Marti, Lili Cao, Michael P. Dal Santo
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Publication number: 20240361738Abstract: A computer program product, field device, higher-order control unit, automation system and method for operating a field device which includes a plurality of components, wherein the field device is supplied with electrical input power via an isolating amplifier, where the isolating amplifier is activated and an available electrical input power ascertained, a plurality of operating configurations having different compilation of functions of the field device is created respectively, one power requirement each is ascertained for each of the operating configurations in each case of at least one predefinable operating profile, deployable operating configurations and their associated operating profile, in which the respective power requirement is lower than the available electrical input power are ascertained and an associated function profile respectively is ascertained, and where the ascertained function profiles of the field device ascertained are provided for selection.Type: ApplicationFiled: April 22, 2024Publication date: October 31, 2024Inventors: Marco VOLZ, Eric EGGERT
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Publication number: 20240361739Abstract: Irrigation controllers, methods, and computer readable media for altering a watering schedule for an irrigation controller in accordance with determined drought conditions are disclosed. An adjusted landscape evapotranspiration rate may be calculated based on a determined drought category. The watering schedule for the watering zone may be altered in accordance with the adjusted landscape evapotranspiration rate.Type: ApplicationFiled: June 28, 2024Publication date: October 31, 2024Inventors: Stuart J. Eyring, Jason R. Sims, Brad J. Wardle, Eric T. Price
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Publication number: 20240361740Abstract: The invention is located in the field of computer technology and relates to a subsystem, the decision system, of a distributed fault-tolerant computer architecture for fully autonomous control of a technical system. A possible architecture of such a distributed fault-tolerant control system was published by H. Kopetz in the Springer Lecture Notes on Computer Science (LNCS) Vol. 13660, Chapter 4, pp. 61-84 under the title An Architecture for Safe Driving Automation in December 2022 [Kop22]. This safe control system consists of four subsystems, each of which is an independent hardware/software system and where each of the four subsystems forms a fault-containment unit. The four independent subsystems of the described architecture are a Primary Control System, a Monitoring System (MS), a Fallback System and a Decision System. Provided that the functioning of the decision system is always fault-free, the control system presented by H.Type: ApplicationFiled: March 21, 2024Publication date: October 31, 2024Inventor: Hermann KOPETZ
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Publication number: 20240361741Abstract: A system and method includes storing a description of at least one sensor in a database; storing a description of the at least one actuator in the database; storing a PLC-list comprising a description of the at least one PLC in the database; writing a controller program that describes an action of the at least one actuator caused by the at least one sensor; selecting, based on the database and the controller program, a PLC of the PLC-list, which is able to functionally connect the sensor and the actuator; generating an application for controlling the selected PLC based on the selected PLC and the controller program; and transferring the application to the selected PLC thus configuring and/or functionally connecting the at least one sensor and the at least one actuator of the sub-system.Type: ApplicationFiled: April 23, 2024Publication date: October 31, 2024Applicant: ABB Schweiz AGInventors: Mario Hoernicke, Sten Gruener, Nicolai Schoch, Nafise Eskandani, Katharina Stark, Roland Braun
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Publication number: 20240361742Abstract: A computer-implemented method including querying, from data sources including a data historian associated with performance of an automated environment controlled by one or more programmable logic controllers (PLCs), data for the automated environment controlled by the one or more PLCs. The method also can include validating and error-correcting the data, and generating multiple potential solution sets based on the data and multiple machine-learning models. The method additionally can include assessing the multiple potential solution sets to select one or more solution sets. The method further can include outputting at least one solution set of the one or more solution sets to cause (i) set points and process inputs of the one or more PLCs to be automatically updated based at least in part on the at least one solution set, and (ii) physical devices of the automated environment controlled by the one or more PLCs to alter behavior of the automated environment. Other embodiments are described.Type: ApplicationFiled: April 25, 2024Publication date: October 31, 2024Applicant: Agbotic Inc.Inventor: John Paul Gaus
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Publication number: 20240361743Abstract: A method for generating a resultant test plan includes generating a data record by measuring a measurement object. The method includes assigning at least part of the measurement object to an object class based on the data record. The method includes determining a test plan assigned to the object class as an object-class-specific test plan. The method includes determining the resultant test plan based on the object-class-specific test plan. The assignment is known in advance, between (a) object properties determinable based on data and the object class or (b) the object class and the object-class-specific test plan. The method includes creating an adapted assignment by adapting the assignment based on: (a) object properties of the measurement object currently measured or (b) the resultant test plan assigned to the measurement object. The determining the resultant test plan is performed based on the adapted assignment.Type: ApplicationFiled: July 12, 2024Publication date: October 31, 2024Inventors: Ana Carolina MAYR ADAM, Stephan Rieger, Florian MAYER
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Publication number: 20240361744Abstract: An information processing apparatus includes at least one memory storing instructions; and at least one processor that, upon execution of the stored instructions, configures the at least one processor acquire data representing a plurality of portions of a workpiece to be imaged by an imaging unit and acquire first information used in a case where a moving unit that is configured to move the workpiece or the imaging unit moves the workpiece or the imaging unit so as to have a first positional relationship in which a multiple number of portions among the plurality of portions of the workpiece are included in the imaging range.Type: ApplicationFiled: April 24, 2024Publication date: October 31, 2024Inventors: YASUHARU MAEDA, HIRONOBU SASAKI
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Publication number: 20240361745Abstract: The present disclosure provides a control system for controlling a processing equipment, and a control method thereof comprises: transmitting a processing signal to a processing unit via an input unit when the processing equipment generates the processing signal for processing a workpiece, so that the processing unit predicts a processing quality of the workpiece according to the processing signal and provides the processing quality as a reference information; and transmitting the reference information to a calculation unit when the processing quality of the workpiece does not meet a requirement, so as to calculate a compensation parameter to automatically adjust a working state of the processing equipment on the workpiece.Type: ApplicationFiled: April 26, 2023Publication date: October 31, 2024Inventors: Jing-Han LIN, Chih-Hsuan SHIH, Yuan-Chieh LO
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Publication number: 20240361746Abstract: A method for optimization of electrical discharge machining process for eroding a workpiece by an electrode mounted in an electrical discharge machine tool, wherein a plurality of electrodes are required to form a plurality of cavities on the workpiece.Type: ApplicationFiled: April 19, 2024Publication date: October 31, 2024Inventor: Luis PEREIRA
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Publication number: 20240361747Abstract: An automated machining system comprising a CNC machine and a processor configured to automatically identify one or more features to be machined into a workpiece to form a part; determine a set of tools suitable for performing a removal operation associated with machining each feature; identify those tools necessary for performing roughing and finishing removal operations for each feature; generate various sequences of removal operations suitable for machining all of the one or more features; calculate a cost of performing each removal operation sequence; determine which of the removal operations sequences is optimal; generate corresponding toolpaths for machining the features into the workpiece; and provide instructions to the CNC machine for automatically implementing the optimal removal operation sequence and corresponding toolpaths to machine the features into the workpiece to form the part. A system for automatic generation and optimization of machining strategies.Type: ApplicationFiled: April 26, 2024Publication date: October 31, 2024Inventors: Justin S. Gray, Fei Shen, Charles A. Mader, Mark A. Powell
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Publication number: 20240361748Abstract: A method includes determining a plurality of distances between a representation of the part that is based on three-dimensional metrology data and a three-dimensional model of the part and applying each distance to a function to produce a plurality of function results. A single score is formed from the plurality of function results. The single score is displayed and at least one of the following is performed: comparing the single score to a single score of another part to determine whether changes made to a manufacturing process result in more accurate parts; determining whether the part is constructed accurately enough to warrant constructing additional copies of the part; or using the single score to determine whether the part is constructed accurately enough to warrant physical inspection.Type: ApplicationFiled: April 26, 2023Publication date: October 31, 2024Inventors: James S. Page, Benjamin Semerjian