Patents Assigned to Keyence Corporation
  • Publication number: 20200327290
    Abstract: An optical information reading device 100 includes an aiming module 60 configured to irradiate aiming light for instructing an imaging area of image data generated by an imaging module, a trigger switch 30 for starting imaging processing by the imaging module, an aiming switch 43B for causing the aiming module 60 to irradiate the aiming light, and a reading unit 81 configured to read information of the symbol. The reading unit 81 is configured to, in an aiming state in which irradiation processing for the aiming light by the aiming module 60 is executed by operation of the aiming switch 43B, detect that the trigger switch 30 is operated and read, based on the image data generated by the imaging processing of the imaging module, information of the symbol included in a predetermined partial area PA corresponding to an irradiation position of the aiming light.
    Type: Application
    Filed: March 13, 2020
    Publication date: October 15, 2020
    Applicant: Keyence Corporation
    Inventors: Hiroomi OHORI, Tomomi IZAKI
  • Patent number: 10803623
    Abstract: To make it possible to associate a world coordinate with a coordinate of an imaging device without using a calibration board. A plurality of pattern images are generated by receiving measurement pattern light reflected from a measuring object. X coordinate, Y coordinate, and Z coordinate of a specific point are measured based on a plurality of pattern images, and a calibration target is generated from measurement result of the X coordinate, Y coordinate, and Z coordinate. Calibration is executed using the generated calibration target.
    Type: Grant
    Filed: December 27, 2019
    Date of Patent: October 13, 2020
    Assignee: KEYENCE CORPORATION
    Inventor: Masashi Nakao
  • Publication number: 20200320680
    Abstract: Both improvement of a degree of freedom in selecting the model of the imaging device and improvement in accuracy of the image inspection are achieved by causing an imaging device conformable to a standardization standard to perform multi-stage processing in order. A setting device specifies a combination of values of a plurality of selectors for realizing multi-stage processing set by a user on a user interface, and transmits the values of the selectors and register information to the imaging device. The imaging device stores the values of the selectors in a location indicated by the corresponding register information, and sequentially executes the multi-stage processing specified by the combination of the values of the selectors.
    Type: Application
    Filed: February 21, 2020
    Publication date: October 8, 2020
    Applicant: Keyence Corporation
    Inventor: Tsuyoshi YAMAGAMI
  • Publication number: 20200322525
    Abstract: Accuracy of image inspection is improved by causing an imaging device conformable to a standardization standard to combine a plurality of captured images. A setting device transmits a setting content for realizing a combination setting set by a user on a user interface and register information indicating a location where the setting content is stored, to the imaging device. The imaging device stores the setting content in the location indicated by the corresponding register information, and executes the combination processing for combining the plurality of captured images.
    Type: Application
    Filed: February 21, 2020
    Publication date: October 8, 2020
    Applicant: Keyence Corporation
    Inventor: Tsuyoshi YAMAGAMI
  • Publication number: 20200320263
    Abstract: A handheld optical information reading device is provided which comprises a housing, a grip arranged on the housing, an image capture device, an illuminator, an illumination controller, an imaging controller, an image processor, and a reader. The image capture device captures an image including a symbol. The illuminator includes lighting devices around the periphery of an optical axis of the image capture device. The illumination controller controls the illuminator to selectively successively light up the lighting devices based on a predetermined order whereby irradiating a symbol with light in different illumination directions with respect to the optical axis. The imaging controller controls the image capture device to capture images of the symbol every when the lighting devices are selectively successively lighted up. The image processor creates an outline image of the symbol based on the captured images. The reader reads the symbol based on the created outline image.
    Type: Application
    Filed: March 10, 2020
    Publication date: October 8, 2020
    Applicant: Keyence Corporation
    Inventors: Hidehito KUBOTA, Takuki NAKAGAWA
  • Publication number: 20200310733
    Abstract: A programmable display includes a display data generator that generates display data for pages corresponding to their page identifier, a display portion that displays a page corresponding to the page identifier on its display screen based on the display data that is generated by the display data generator, and a touch detector that detects touch operations on the display screen of the display portion. The display portion generates display data for displaying the device wave of the device that is specified by the subject device settings based on the chronological data, which is stored in the PLC, when the touch detector detects a predetermined second touch operation on the display screen. The display portion displays a second page or a device wave on the display screen based on the display data that is generated by the display data generator.
    Type: Application
    Filed: February 20, 2020
    Publication date: October 1, 2020
    Applicant: Keyence Corporation
    Inventors: Masato FUJIMURA, Daisuke MARUYAMA
  • Publication number: 20200302585
    Abstract: In a setting mode, a processor stores in a memory a reference image for pattern search, measurement location information indicating a plurality of measurement locations, and imaging setting information indicating at which magnification imaging is performed. In a measurement mode, the processor controls an imaging section, acquires a target image for pattern search, executes a pattern search on the target image using the reference image, specifies a plurality of imaging positions for imaging each of the plurality of measurement locations based on the measurement location information and a result of the pattern search, causes the imaging section to perform imaging at a magnification set for each measurement location, and measures a dimension of the measurement location.
    Type: Application
    Filed: February 6, 2020
    Publication date: September 24, 2020
    Applicant: Keyence Corporation
    Inventor: Koji TAKAHASHI
  • Publication number: 20200302642
    Abstract: In a setting mode, a processor stores in a memory a reference image and reference imaging position information indicating an imaging position of the reference image. In a measurement mode, the processor drives at least one of a table and an imaging section by a driving section according to the reference imaging position information stored in the memory to move an imaging position of the imaging section to the imaging position of the reference image and execute a pattern search.
    Type: Application
    Filed: February 6, 2020
    Publication date: September 24, 2020
    Applicant: Keyence Corporation
    Inventors: Tadashi HASHIMOTO, Koji TAKAHASHI
  • Patent number: 10773386
    Abstract: A robot setting apparatus includes a grip reference point setting unit, a grip direction setting unit that defines a grip direction in which the end effector model grips the workpiece model, a workpiece side grip location designation unit that designates a grip position at which the end effector model grips the workpiece model in a state in which at least the workpiece model is displayed in an image display region, and a relative position setting unit that sets a relative position between the end effector model and the workpiece model such that the grip direction defined in the grip direction setting unit is orthogonal to a workpiece plane representing an attitude of the workpiece model displayed in the image display region, and the grip reference point is located at the grip position along the grip direction.
    Type: Grant
    Filed: March 5, 2018
    Date of Patent: September 15, 2020
    Assignee: KEYENCE CORPORATION
    Inventors: Masato Shimodaira, Ippei Yamauchi
  • Patent number: 10767976
    Abstract: Reflected light from the measurement object is received by a plurality of pixel columns arranged in an X2 direction in a light receiving unit 121, and a plurality of light receiving amount distributions is output. One or a plurality of peak candidate positions of light receiving amounts in a Z2 direction is detected by a peak detection unit 1 for each pixel column based on the plurality of light receiving amount distributions. A peak position to be adopted to a profile is selected from the peak candidate positions detected for each pixel column based on a relative positional relationship with a peak position of another pixel column adjacent to the pixel column, and profile data indicating the profile is generated by the profile generation unit 3 based on the selected peak position.
    Type: Grant
    Filed: July 16, 2019
    Date of Patent: September 8, 2020
    Assignee: KEYENCE CORPORATION
    Inventor: Yoshitaka Tsuchida
  • Publication number: 20200264464
    Abstract: To miniaturize an illumination device while meeting requirements of angle characteristics of a liquid crystal panel. A light source 31b is arranged above an outer end portion side of a liquid crystal panel 31d that is positioned radially outward of an illumination housing. A relative position between the liquid crystal panel 31d and the light source 31b is set such that light emitted from the light source 31b is incident within an effective angle range of the liquid crystal panel 31d.
    Type: Application
    Filed: December 27, 2019
    Publication date: August 20, 2020
    Applicant: Keyence Corporation
    Inventor: Hajime MATSUDA
  • Publication number: 20200265608
    Abstract: To make it possible to associate a world coordinate with a coordinate of an imaging device without using a calibration board. A plurality of pattern images are generated by receiving measurement pattern light reflected from a measuring object. X coordinate, Y coordinate, and Z coordinate of a specific point are measured based on a plurality of pattern images, and a calibration target is generated from measurement result of the X coordinate, Y coordinate, and Z coordinate. Calibration is executed using the generated calibration target.
    Type: Application
    Filed: December 27, 2019
    Publication date: August 20, 2020
    Applicant: Keyence Corporation
    Inventor: Masashi NAKAO
  • Patent number: 10746536
    Abstract: There is provided an optical displacement meter capable of accurately measuring a profile of a measurement object even when multiple reflections are caused. At the time of setting, reference data indicating a reference profile of a measurement object is registered by a registration unit, and a mask region is set to the reference data by a setting unit. At the time of measurement, reflected light from the measurement object is received by a light receiving unit, and a peak in an output light receiving amount distribution is detected by a peak detection unit. Temporary profile data of the measurement object is generated by a profile generation unit based on a position of the detected peak. A position of the mask region for the temporary profile is corrected by a correction unit.
    Type: Grant
    Filed: July 16, 2019
    Date of Patent: August 18, 2020
    Assignee: Keyence Corporation
    Inventor: Yoshitaka Tsuchida
  • Patent number: 10746529
    Abstract: To suppress an erroneous measurement of a measuring object in an optical displacement meter of a light sectioning method. The optical displacement meter includes an image sensor, a cover glass arranged obliquely relative to a light receiving surface of the image sensor, and a housing which houses the image sensor and the cover glass.
    Type: Grant
    Filed: March 19, 2020
    Date of Patent: August 18, 2020
    Assignee: Keyence Corporation
    Inventor: Yutaka Miyagawa
  • Patent number: 10746539
    Abstract: A shape measuring device includes an optical-axis-direction driving section configured to minutely relatively displace a stage in an optical axis direction of a light receiving section with respect to a light projecting section and the light receiving section such that a phase of a projection pattern on the stage is shifted at a minute pitch finer than width of the phase of the projection pattern projected on the stage, the minute pitch being defined by controlling light projecting elements of a pattern generating section.
    Type: Grant
    Filed: March 18, 2019
    Date of Patent: August 18, 2020
    Assignee: Keyence Corporation
    Inventors: Tsuyoshi Suenaga, Masaki Fujiwara
  • Patent number: 10747976
    Abstract: Provided is an optical information reading device that can reduce an installation load on a user, and can accurately read a code provided to each of various workpieces. A polarized illumination light source includes light emitters that irradiate the workpiece with illumination light through a polarization filter. A non-polarized illumination light source includes light emitters that irradiate the workpiece with illumination light without through a polarization filter. An imaging element is provided with a polarization filter having a polarization direction different from a polarization direction of the polarization filter of the light emitters. Either of the polarized illumination light source and the non-polarized illumination light source is used in accordance with the workpiece.
    Type: Grant
    Filed: October 25, 2018
    Date of Patent: August 18, 2020
    Assignee: Keyence Corporation
    Inventors: Hidezumi Nagata, Taichi Tajika, Yusuke Otsubo
  • Publication number: 20200257685
    Abstract: To make it possible to automatically generate an objective variable so that even those who are unskilled in data processing can freely conduct an analysis. It is recognized whether a type of an attribute value of each attribute of analysis target data is a numeric type indicating that it is a numeric value or a category type indicating that it is a category. At least one attribute that is a numeric type is set as an attribute of an aggregation target, at least one attribute that is a category type is set as an attribute of an aggregation unit, and for each category value of the attribute of the aggregation unit, a numeric value of the attribute of the aggregation target is aggregated based on a previously prepared aggregation function to generate a new objective variable candidate.
    Type: Application
    Filed: July 10, 2019
    Publication date: August 13, 2020
    Applicant: Keyence Corporation
    Inventors: Taiga NOMI, Yoshinori NAKANO
  • Publication number: 20200257926
    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: Application
    Filed: July 10, 2019
    Publication date: August 13, 2020
    Applicant: Keyence Corporation
    Inventors: Taiga NOMI, Yasunobu UMEHARA
  • Publication number: 20200257927
    Abstract: To make it possible to determine in advance the propriety of a measure by simulating a change of an objective variable due to a change of a value of a feature value. A prediction model for predicting an objective variable is generated based on feature values of a plurality of attributes included in analysis target data. An adjustment of a representative value of a feature value is received based on a user's operation input. The feature values of the plurality of attributes are changed according to adjustment amount of the representative value, and the numeric value of the objective variable is recalculated from the prediction model and displayed on a monitor.
    Type: Application
    Filed: July 10, 2019
    Publication date: August 13, 2020
    Applicant: Keyence Corporation
    Inventor: Taiga NOMI
  • Patent number: D894903
    Type: Grant
    Filed: April 25, 2019
    Date of Patent: September 1, 2020
    Assignee: KEYENCE CORPORATION
    Inventors: Daisuke Endo, Tomomi Izaki