Patents Assigned to Keyence Corporation
  • Patent number: 11656596
    Abstract: A PLC includes a program storing section which stores a user program, a program executing section which repeatedly executes the user program, a device storing section having a plurality of devices which are memory regions referred to by the program executing section, a device recording section which records a device value stored in any one of the plurality of devices in time series, and a saving section which saves, when a predetermined saving condition is satisfied, the device value recorded by the device recording section and the user program or identification information of the user program stored in the program storing section in correspondence with each other in a memory.
    Type: Grant
    Filed: September 6, 2019
    Date of Patent: May 23, 2023
    Assignee: KEYENCE CORPORATION
    Inventor: Masato Fujimura
  • Publication number: 20230150059
    Abstract: To suppress interference between a member for supporting a housing and a workpiece while bringing the housing and the workpiece close to each other. A laser processing apparatus includes: a laser light scanning section that deflects laser light to be emitted toward an irradiation area in accordance with a predetermined processing setting; and a housing that accommodates the laser light scanning section. In the housing, an exit window transmitting the laser light emitted toward the irradiation area via the laser light scanning section, and a top surface arranged to face the exit window and attached to the attachment target position are formed.
    Type: Application
    Filed: November 4, 2022
    Publication date: May 18, 2023
    Applicant: Keyence Corporation
    Inventors: Ryohei SUZAKI, Monika IMANISHI
  • Publication number: 20230150296
    Abstract: Boldface printing having a sufficient line width is more easily implemented as compared with the related art. A laser marking apparatus includes a laser light output section, a laser light scanning section, a storage section, and a marking control section. The marking control section scans UV laser light along an outer scanning line farther from a center line of a line element of a character corresponding to print data for boldface than an inner scanning line prior to the inner scanning line closer to the center line for scanning lines adjacent to each other in a direction in which the line element of the character becomes thick among a plurality of the scanning lines forming the print data for boldface.
    Type: Application
    Filed: November 4, 2022
    Publication date: May 18, 2023
    Applicant: Keyence Corporation
    Inventor: Ryohei SUZAKI
  • Publication number: 20230150274
    Abstract: To perform appropriate printing on a workpiece moving along a three-dimensional movement path. A laser marking apparatus includes: a laser light output section; a laser light scanning section; a print data generation section; a marking control section; and a print pattern correction section that corrects a print pattern received by an input interface based on movement path information related to a movement path of a workpiece moving with a change in a posture in a three-dimensional space. The print data generation section generates print data based on the print pattern corrected by the print pattern correction section.
    Type: Application
    Filed: November 4, 2022
    Publication date: May 18, 2023
    Applicant: Keyence Corporation
    Inventor: Hayato FUNAHASHI
  • Patent number: 11645362
    Abstract: To make it easier to perform an in-depth analysis by presenting to a user which feature value influences and how it influences an objective variable in a case of automatically generating feature values. For each of a plurality of feature values, by determining a division point indicating a change in influence on an objective variable, each feature value is divided into a plurality of segments and an evaluation value is calculated using an influence degree of each segment on the objective variable as an index. The segments of the feature values for which the evaluation values have been calculated are displayed on a monitor.
    Type: Grant
    Filed: July 10, 2019
    Date of Patent: May 9, 2023
    Assignee: KEYENCE CORPORATION
    Inventors: Taiga Nomi, Yasunobu Umehara
  • Patent number: 11644808
    Abstract: To efficiently collect and transfer monitoring target data in a PLC. The PLC includes a first execution engine, a holding section, and a second execution engine. Further, the PLC collects data stored in a collection target holding section according to predetermined collection setting, accumulates collected time-series data in a first buffer, and transfers the time-series data stored in the first buffer to the second execution engine via a bus. The second execution performs data processing of the transferred time series data, generates display data to be displayed on a dashboard, and provides the display data to an external computer.
    Type: Grant
    Filed: September 4, 2020
    Date of Patent: May 9, 2023
    Assignee: KEYENCE CORPORATION
    Inventor: Tatsuya Nakamura
  • Patent number: 11640508
    Abstract: Recommended installation position and posture of a stationary code reader can be proposed to a user to facilitate installation work of the code reader by the user. An installation support device for the stationary code reader acquires camera information including a camera parameter of the code reader, code information to be read, and environment information including a conveying speed of a line, determines required field of view and depth of the code reader required to read a code under an environment specified by the environment information, and determines an installation pattern which is recommended installation position and posture of the code reader that can satisfy the required field of view and depth based on the camera information and the code information.
    Type: Grant
    Filed: March 3, 2022
    Date of Patent: May 2, 2023
    Assignee: KEYENCE CORPORATION
    Inventors: Hidezumi Nagata, Taichi Tajika, Takashi Hirano
  • Publication number: 20230108676
    Abstract: To reduce the amount of code that needs to be written by a user and facilitate creation of an automation program. A method of creating an automation program that automates an operation of performing transcription to a second application, based on data acquired from a first application, the method including: a step of selecting the first application and the second application and creating a schematic procedure; a step of selecting, a range to be desirably acquired from out of data of the first application; a step of holding data in the range in a memory section as table data in a table format; a step of designating the transcription destination of the second application to which data based on the table data is to be transcribed; and a step of generating the automation program based on the schematic procedure, the range, and the transcription destination.
    Type: Application
    Filed: September 1, 2022
    Publication date: April 6, 2023
    Applicant: Keyence Corporation
    Inventors: Kazunori KIHARA, Kengo YANASE
  • Publication number: 20230104627
    Abstract: 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.
    Type: Application
    Filed: December 9, 2022
    Publication date: April 6, 2023
    Applicant: Keyence Corporation
    Inventors: Choryon Oh, Yu Babasaki, Lye Tatt Cheah
  • Patent number: 11618261
    Abstract: An ink jet recording apparatus I includes a printing head 1 configured to house, on the inside, a nozzle 12, a charging electrode 13, a deflection electrode 15, and a gutter 16, a maintenance-pattern storing unit 102b configured to store, respectively in association with types of abnormalities, a plurality of kinds of maintenance operations executable in the ink jet recording apparatus I, a flag storing unit 102a configured to store occurrence of an abnormality in the ink jet recording apparatus I as an error flag corresponding to a type of the abnormality, and a control unit 101 configured to select, based on the type of the abnormality corresponding to the error flag stored in the flag storing unit 102a, one maintenance operation out of the plurality of kinds of maintenance operations stored in the maintenance-pattern storing unit 102b and execute the maintenance operation.
    Type: Grant
    Filed: August 7, 2020
    Date of Patent: April 4, 2023
    Assignee: KEYENCE CORPORATION
    Inventors: Mamoru Idaka, Atsushi Kitamura
  • Patent number: 11607887
    Abstract: A ROM unit mounted to a bottle has a plurality of terminal plates on the front end surface of the ROM unit. The ROM unit is movable in a direction orthogonal to a bottle axis Ax, and can be positioned at a retreat position where an interference with a contamination preventing eaves is avoided, and a contact position projected more front than the retreat position. The terminal plates can be electrically contacted with reservoir terminals when positioning at the contact position.
    Type: Grant
    Filed: June 15, 2021
    Date of Patent: March 21, 2023
    Assignee: KEYENCE CORPORATION
    Inventors: Hiroshi Miyauchi, Mamoru Idaka
  • Publication number: 20230066279
    Abstract: Provided is an ultrasonic flow sensor with improved practicality. An ultrasonic wave is transmitted and received by an ultrasonic element. A first flow rate value of a fluid in a pipe is calculated based on a propagation time difference of an ultrasonic signal, a measurement value corresponding to an ultrasonic velocity, and a parameter for identifying an inner diameter of the pipe. A second flow rate value of the fluid in the pipe is calculated based on a frequency shift of the ultrasonic signal and the parameter. The first flow rate value is calculated using a propagation time of the ultrasonic signal as the measurement value in accordance with a correspondence relationship among a distance of a path through which the ultrasonic wave propagates through the fluid in the pipe, a time for which the ultrasonic signal propagates in the path, and the ultrasonic velocity.
    Type: Application
    Filed: July 8, 2022
    Publication date: March 2, 2023
    Applicant: Keyence Corporation
    Inventors: Yasunori KAWAGUCHI, Masaki WADA, Masaki ISHIHARA, Daishiro ISHIKAWA, Ryuma MIYAKE
  • Publication number: 20230063177
    Abstract: Provided are a diffusion plate that diffuses light emitted from a light source, and a prism having a first surface to receive the light transmitted through the diffusion plate, a second surface to reflect the light in contact with a measurement target liquid, and a third surface to extract the reflected light. The light source, the diffusion plate, a light receiving lens, and an imaging element are accommodated in a holder that presses the prism from the inner side to the outer side.
    Type: Application
    Filed: July 8, 2022
    Publication date: March 2, 2023
    Applicant: Keyence Corporation
    Inventors: Sohei KANODA, Shinichiro OTSU, Hirokazu NIIMURA
  • Patent number: 11590652
    Abstract: A user can easily create a robot program. A measuring device includes a position determination processing part that determines a holding position, held by a robot hand, of a workpiece placed in a work space and determines coordinates of a fixed via point having any single attribute based on a result of measurement made by a measuring part and holding information, the fixed via point being one of an approach position of the robot hand for holding the holding position, the holding position, and a retreat position after holding, and an output part that outputs, to a robot controller, the coordinates of the fixed via point determined by the position determination processing part and attribute information showing the attribute of the fixed via point.
    Type: Grant
    Filed: November 11, 2020
    Date of Patent: February 28, 2023
    Assignee: KEYENCE CORPORATION
    Inventors: Kyosuke Tawara, Naoki Takayama
  • Publication number: 20230032192
    Abstract: A change in a substance in a depth direction of an analyte is easily estimated. An analysis and observation device includes: a library holding section that holds a substance library in which a substance is associated with a type of an element constituting the substance and a content of the element; and a component analysis section that estimates a type of an element constituting a substance and a content of the element based on a spectrum, and estimates the substance based on estimated characteristics and the substance library. The component analysis section estimates a type of an element constituting a substance, a content of the element, and the substance at each of a plurality of positions having different analysis depths.
    Type: Application
    Filed: June 30, 2022
    Publication date: February 2, 2023
    Applicant: Keyence Corporation
    Inventors: Hayato OHBA, Kenichiro HIROSE, Ryosuke KONDO
  • Publication number: 20230035039
    Abstract: An analysis and observation device includes: a component analysis section that performs component analysis of an analyte; an output section that outputs one component analysis result to an analysis history holding section; the analysis history holding section that holds a plurality of component analysis results as an analysis history; and an identifying section that identifies a component analysis result similar to the component analysis result obtained by the component analysis section from among the plurality of component analysis results held in the analysis history holding section. The analysis history holding section holds the analysis history to which the component analysis result has been newly added according to the output of the component analysis result by the output section, and the identifying section identifies a component analysis result similar to the one component analysis result from among results of the component analysis performed by the component analysis section.
    Type: Application
    Filed: June 30, 2022
    Publication date: February 2, 2023
    Applicant: Keyence Corporation
    Inventors: Kenichiro HIROSE, Ryosuke KONDO, Hayato OHBA
  • Publication number: 20230026608
    Abstract: 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.
    Type: Application
    Filed: May 20, 2022
    Publication date: January 26, 2023
    Applicant: Keyence Corporation
    Inventors: Kaoru KANAYAMA, Takashi ATORO
  • Patent number: 11556106
    Abstract: An object of the present subject matter is to appropriately acquire and analyze a camera image for monitoring and to constantly monitor a monitoring target with high accuracy. A programmable logic controller (PLC) includes: an image processing section for sequentially acquiring the image data of the camera image from the camera sensor and generating characteristic amount data indicating a characteristic amount of image data in a preset monitoring region; a time-series data acquisition section for sequentially collecting characteristic amount data from the image processing section and acquiring time-series data of a characteristic amount; and a monitoring section for monitoring time-series data of a current characteristic amount acquired by the time-series data acquisition section in accordance with a monitoring timing defined by the device of the device memory.
    Type: Grant
    Filed: April 16, 2021
    Date of Patent: January 17, 2023
    Assignee: KEYENCE CORPORATION
    Inventor: Tetsuya Miyasaka
  • Patent number: 11551884
    Abstract: 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.
    Type: Grant
    Filed: February 8, 2019
    Date of Patent: January 10, 2023
    Assignee: KEYENCE CORPORATION
    Inventors: Choryon Oh, Yu Babasaki, Lye Tatt Cheah
  • Publication number: 20220412721
    Abstract: Provided are a probe for a three-dimensional coordinate measuring device that enable calculation of coordinates of a measurement point of a measurement target with high accuracy. The probe is used in the three-dimensional coordinate measuring device that calculates coordinates of a measurement point of a measurement target. In the probe, a plurality of markers whose image is captured by an imaging unit are held by a probe holding unit. A stylus, which is brought into contact with the measurement target to specify the measurement point, is attached to the probe holding unit. The stylus has a predetermined positional relationship with respect to the plurality of measurement markers. The probe holding unit is connected to a probe casing in a freely movable manner. A magnetic sensor that outputs a signal corresponding to a displacement amount of the probe holding unit with respect to the probe casing is provided inside the probe casing.
    Type: Application
    Filed: May 13, 2022
    Publication date: December 29, 2022
    Applicant: Keyence Corporation
    Inventors: Yuji MIYAKI, Shuji SHIMONAKA