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公开(公告)号：US20240361170A1
公开(公告)日：2024-10-31
申请号：US18605909
申请日：2024-03-15
申请人： Keyence Corporation
发明人： Sohei KANODA , Kazuaki NAKAMURA
IPC分类号： G01F23/284
CPC分类号： G01F23/284
摘要： Provided is a level meter with which a user can easily visually grasp a state of a level of an object from a long distance. The level meter includes a transmission unit that transmits a transmission wave toward an object to one end side in a longitudinal direction, a reception unit that receives a reflected wave of the transmission wave reflected by the object, and a state lamp having a plurality of state LEDs as light sources. A plurality of level ranges is set for the level of the object, and the lighting state of the state lamp changes according to the level range to which the level measured based on the transmission wave and the reflected wave belongs. The state lamp has a transmission window that diffuses the light emitted by the state LED in a direction intersecting the longitudinal direction.
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公开(公告)号：US20240328958A1
公开(公告)日：2024-10-03
申请号：US18589503
申请日：2024-02-28
申请人： Keyence Corporation
发明人： Atsuhito SHIGIYA
IPC分类号： G01N21/88
CPC分类号： G01N21/8806 , G01N21/8851 , G01N2021/8835
摘要： In a use mode in which a smart camera having an illumination control function is connected to an image processing controller, illumination control of the smart camera and illumination control of the image processing controller do not compete with each other. In a master mode, a smart camera turns on an external illuminator by an illumination control function of the smart camera, images light reflected by a workpiece, among beams of light of the external illuminator, by an imaging unit to generate a workpiece image, and executes an inspection process on the workpiece image. In a slave mode, the smart camera images light reflected by a workpiece, among beams of light of an illuminator turned on under control of an image processing controller, by the imaging unit to generate a workpiece image, and transfers the workpiece image to the image processing controller.
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公开(公告)号：US12061327B2
公开(公告)日：2024-08-13
申请号：US17368952
申请日：2021-07-07
申请人： Keyence Corporation
发明人： Kengo Yanase
IPC分类号： G02B21/00 , G01B9/0209 , G02B9/02 , G02B21/36
CPC分类号： G02B21/0056 , G01B9/0209 , G02B21/361
摘要： A white light interference microscope includes an imaging part taking interference images, a laser light source, a light receiving part receiving reflected light of laser beam from a sample via a confocal optical system and generating a light reception signal corresponding to the light receiving intensity of the reflected light, a focal calculation part calculating a focal position matching a focus of the objective lens with a surface of the sample based on the light reception signal at each height position of the stage or the objective lens, a focus adjustment part adjusting the height position of the stage or the objective lens to match with the focal position, and a first measuring part measuring the surface shape of the sample based on a plurality of interference images taken by the imaging part at a plurality of height positions defined within a height range including the focal position.
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公开(公告)号：US12039400B2
公开(公告)日：2024-07-16
申请号：US18198322
申请日：2023-05-17
申请人： Keyence Corporation
发明人： Ikuo Yamada
CPC分类号： G06K7/1417 , G06K7/10881 , G06N5/04 , G06K2007/10524
摘要： To suppress an increase in processing time due to a load of inference processing while improving reading accuracy by the inference processing of machine learning. An optical information reading device includes a processor including: an inference processing part that inputs a code image to a neural network and executes inference processing of generating an ideal image corresponding to the code image; and a decoding processing part that executes first decoding processing of decoding the code image and second decoding processing of decoding the ideal image generated by the inference processing part. The processor executes the inference processing and the first decoding processing in parallel, and executes the second decoding processing after completion of the inference processing.
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公开(公告)号：US12000688B2
公开(公告)日：2024-06-04
申请号：US17749174
申请日：2022-05-20
申请人： Keyence Corporation
发明人： Kaoru Kanayama , Takashi Atoro
CPC分类号： G01B11/022 , G01B11/2518 , G06T7/50 , G06T7/60 , G06T2207/10016
摘要： Provided are a shape inspection device, a processing device, a height image processing method, and a height image processing program capable of accurately inspecting a measurement object. A profile data generation unit sequentially generates a plurality of pieces of profile data as the measurement object relatively moves in a Y-axis direction. A height image generation unit extracts characteristic points for the respective pieces of profile data, and moves the respective pieces of profile data in a plane intersecting with a Y axis such that the extracted characteristic points are aligned in a line in a direction corresponding to the Y axis. Then, the height image generation unit arranges the moved profile data in a direction corresponding to the Y axis to correct a height image.
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公开(公告)号：US11982987B2
公开(公告)日：2024-05-14
申请号：US17126209
申请日：2020-12-18
申请人： Keyence Corporation
发明人： Tetsuya Miyasaka
IPC分类号： G05B19/05 , G06F18/2413
CPC分类号： G05B19/058 , G05B19/056 , G06F18/2413 , G05B2219/14107
摘要： An object of the present invention is to efficiently identify an abnormal device by analyzing and classifying characteristics such as periodicity and continuity of data related to each device. A programmable logic controller collects data held by a device as a collection target out of the plurality of devices in accordance with a predetermined collection setting for each scan cycle of the user program, classifies each of the devices into one of a plurality of types on the basis of a characteristic of the collected time-series data of each of the devices, and determines a detection algorithm used in identification of the device as an abnormal device in accordance with the time-series data of the device collected by the collection section and the type of the device classified by the classification section for each of the devices.
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公开(公告)号：US20240145187A1
公开(公告)日：2024-05-02
申请号：US18407521
申请日：2024-01-09
申请人： Keyence Corporation
发明人： Choryon Oh , Yu Babasaki , Lye Tatt Cheah
CPC分类号： H01H9/285 , F16P3/08 , H01H9/22 , H01H2027/005
摘要： To realize both toughness and size reduction of a safety switch. A safety switch is a safety switch into and from which a bolt of an actuator is inserted and pulled out. The safety switch includes a casing having a shape elongated along a first direction, a metal head having a receiving space for receiving the bolt of the actuator and provided on a first end side of the casing in the first direction, a detector for detecting a first state in which the bolt is received in the receiving space, a lock mechanism, a switching device and a first attachment portion provided in the head and having a first attachment hole into which a first attachment member is inserted.
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公开(公告)号：US11971696B2
公开(公告)日：2024-04-30
申请号：US17674926
申请日：2022-02-18
申请人： Keyence Corporation
发明人： Daisuke Maruyama
CPC分类号： G05B19/056 , G05B19/058 , G06F11/3013 , G06F11/322 , G06F11/323
摘要： To provide a PLC having a data collection function and a data display screen generation function. The PLC includes: a collection section that collects a symbol value stored in a symbol, which is a device or a variable serving as a collection target, according to the application program; a determination section that determines whether or not the symbol value collected by the collection section according to the application program satisfies a normal condition set for the application program to detect a status different from usual regarding the symbol value; and a generation section that generates a display screen including a determination result of the determination section and information indicating the symbol value collected by the collection section according to the application program.
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公开(公告)号：US11969820B2
公开(公告)日：2024-04-30
申请号：US17102566
申请日：2020-11-24
申请人： Keyence Corporation
发明人： Junya Onoda
IPC分类号： G05B19/402 , B23K26/03 , B23K26/042 , B23K26/046 , B23K26/06 , B23K26/359 , B23K26/082
CPC分类号： B23K26/042 , B23K26/032 , B23K26/046 , B23K26/0665 , B23K26/359 , G05B19/402 , B23K26/082 , G05B2219/40623
摘要： High processing accuracy of a workpiece is maintained even if the workpiece is misaligned. A laser processing apparatus includes: a setting section that sets a pattern area and a distance measurement position on a captured image; a condition setting storage section that stores image information in the pattern area; a position correction section that detects a misalignment of a new workpiece different from a workpiece used to set the pattern area and corrects the distance measurement position on the new workpiece; a distance measurement section that measures a distance based on a light reception position of distance measuring light in a distance measuring light receiving section; and a Z scanner that adjusts a focal position based on a measurement result of the distance measurement section prior to irradiation of the workpiece with laser light.
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公开(公告)号：US20240055208A1
公开(公告)日：2024-02-15
申请号：US18229185
申请日：2023-08-02
申请人： Keyence Corporation
发明人： Kenji KOJIMA , Satoru TOMOSHI , Hiroshi KASHIMA , Choryon OH , Manabu TSUBOYAMA
摘要： A worker is prevented from being hindered. A safety switch includes a switch body including an electromagnet and an actuator attracted to the electromagnet. The switch body includes a drive control unit and a safety control unit which control the safety switch, and the drive control unit and the safety control unit are surrounded by a housing. The housing is arranged on a back surface side of the electromagnet of the switch body, and the housing forms an accommodating portion that accommodates the drive control unit and the safety control unit.
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