Patents Assigned to Keyence Corporation
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Patent number: 10909702Abstract: An imaging part 120 receives the light that is reflected from the measurement target, and a plurality of pieces of pattern image data are generated. Height data is generated on the basis of the plurality of pieces of the pattern image data. Green light, blue light, and red light are successively emitted from the light sources 111 to 113, and are reflected from the pattern generating part 118, and uniform light of the green light, uniform light of the blue light, and uniform light of the red light are successively projected onto the measurement target. The imaging part 120 receives the uniform light reflected by the measurement target, and a plurality of pieces of texture image data are successively generated. The plurality of pieces of the texture image data are synthesized, whereby color texture image data is generated.Type: GrantFiled: December 27, 2019Date of Patent: February 2, 2021Assignee: KEYENCE CORPORATIONInventor: Shuhei Ono
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Patent number: 10902231Abstract: The optical code reader includes a light-receiving region limiting optical member 122. The light-receiving region limiting optical member 122 is disposed between a transparent window 8 and an image sensor 102 and includes an imaging lens 100 for imaging reflected light received through the transparent window 8, on a light receiving surface 108 of the image sensor 102. The light-receiving region limiting optical member 122 forms an image Im(1) of an optical code Co in a first light receiving region 108(1) of the light receiving surface 108 and forms an image Im(2) of an optical code Co in a second light receiving region 108 (2) that is different from the first light receiving region 108(1). The image sensor 102 is disposed obliquely to a direction orthogonal to an optical axis Oax of the imaging lens 100.Type: GrantFiled: October 22, 2019Date of Patent: January 26, 2021Assignee: KEYENCE CORPORATIONInventors: Taichi Tajika, Hideaki Miyoshi
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Patent number: 10895478Abstract: To provide a sensor unit that simultaneously displays other information together with a threshold and a physical quantity. A sensor unit causes a dot-matrix display unit to display a threshold and a physical quantity in a first display form and causes the dot-matrix display unit to display, together with the physical quantity and the threshold, additional information (e.g., a power mode) different from the physical quantity and different from the threshold in a second display form. The area of a third display region 303 for the threshold in the second display form is smaller than the area of a second display region 302 for the threshold in the first display form. The area of a fourth display region 304 for the information in the second display form is obtained by reducing the area of the second display region 302.Type: GrantFiled: August 10, 2018Date of Patent: January 19, 2021Assignee: KEYENCE CORPORATIONInventors: Kentaro Yamazaki, Tsuyoshi Tagashira
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Patent number: 10890747Abstract: A magnifying observation apparatus obtains a plurality of first luminance images by controlling an illumination section so as to illuminate an observation target with illumination light from a first illumination direction and controlling a change section and an imaging section so as to image the observation target, obtains a plurality of second luminance images by controlling the illumination section so as to illuminate the observation target with illumination light from a second illumination direction symmetric with the first illumination direction about an optical axis and controlling the change section and the imaging section so as to image the observation target in a plurality of different focal positions, and generates a roughness enhancement image that enhances roughness on the surface of the observation target by applying depth synthesis and roughness enhancement.Type: GrantFiled: October 8, 2019Date of Patent: January 12, 2021Assignee: KEYENCE CORPORATIONInventors: Woobum Kang, Hayato Ohba
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Patent number: 10890749Abstract: To make it possible to observe an observation target from a plurality of different angles and to make, when acquiring and displaying an image including a placement unit separately from an observation image, the image an image with less discomfort. A side-view image capturing unit having an optical axis different from an optical axis of a magnified observation image capturing unit is provided facing a placement table. The side-view image capturing unit is provided so as to eliminate a connection or to lower a connection with a swinging motion of a supporting member to acquire a side-view image. A magnified observation image and the side-view image are displayed.Type: GrantFiled: July 30, 2019Date of Patent: January 12, 2021Assignee: KEYENCE CORPORATIONInventors: Takashi Futami, Suguru Sekiya
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Patent number: 10864636Abstract: A robot setting apparatus includes a positioning unit that adjusts a position and an attitude of a workpiece model, and a grip position specifying unit that specifies a grip position at which the workpiece model is gripped by an end effector for at least one fundamental direction image in a state of displaying at least three height images in which the workpiece model positioned by the positioning unit on the virtual three-dimensional space is viewed from respective axis directions of three axes orthogonal to each other on the display unit as fundamental direction images.Type: GrantFiled: March 5, 2018Date of Patent: December 15, 2020Assignee: KEYENCE CORPORATIONInventors: Masato Shimodaira, Naoki Takayama, Ippei Yamauchi
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Patent number: 10859806Abstract: To easily obtain a magnified observation image in which a user's intention is reflected. A side-view image acquired by a side-view image capturing unit is displayed on a display unit. An arbitrary position designation by a user is received on the side-view image displayed on the display unit. A magnifying observation apparatus is controlled based on the received position.Type: GrantFiled: July 30, 2019Date of Patent: December 8, 2020Assignee: KEYENCE CORPORATIONInventors: Suguru Sekiya, Naoki Haga
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Patent number: 10859369Abstract: To enable scanning using measurement light with a small-sized displacement measuring apparatus. The displacement measuring apparatus includes a MEMS mirror for scanning using measurement light that is output from a light projection lens. The light projection lens has a focus position, at which the measurement light is condensed, at the MEMS mirror or in the vicinity of the MEMS mirror on an optical axis of the measurement light. The measurement light that is reflected at the MEMS mirror spreads in a strip-shaped manner as the measurement light comes close to a measurement region.Type: GrantFiled: October 15, 2019Date of Patent: December 8, 2020Assignee: KEYENCE CORPORATIONInventors: Noriyoshi Yamane, Yuichiro Hama
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Patent number: 10845225Abstract: To improve installation work on piping for a clamp-on type ultrasonic flowmeter including a damping member. A damping member is provided in a state of being in contact with piping, and the damping member is a sheet-shaped molded article which has moderate flexibility and a predetermined thickness. In addition, the damping member has viscoelasticity and has adhesion and peelability to the metal piping. The damping member is fixed to the piping by a damping fixture surrounding an outer periphery of the damping member, and the damping member is pressed against the piping by the damping fixture. A flow sensor body is fixed on the damping member.Type: GrantFiled: September 12, 2019Date of Patent: November 24, 2020Assignee: KEYENCE CORPORATIONInventor: Yasunori Kawaguchi
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Patent number: 10846881Abstract: 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: GrantFiled: February 6, 2020Date of Patent: November 24, 2020Assignee: KEYENCE CORPORATIONInventors: Tadashi Hashimoto, Koji Takahashi
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Publication number: 20200364906Abstract: It is possible to apply normal inspection processing and deep learning processing, and it is possible to achieve both the rapidity of inspection processing and a high ability to cope with a complicated discrimination. A defect candidate portion is extracted based on a pixel value of an input inspection target image. An inspection window is set in a region including the extracted defect candidate portion. An image within the inspection window is input to the classifier, and thus, it is determined whether the inspection target image is classified into a first class or a second class.Type: ApplicationFiled: April 3, 2020Publication date: November 19, 2020Applicant: Keyence CorporationInventor: Masato SHIMODAIRA
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Publication number: 20200364905Abstract: When a normal inspection and an inspection through deep learning processing is applicable, high inspection accuracy is obtained while reducing a processing time. The normal inspection processing is applied to a newly acquired inspection target image, the non-defective product determination or the defective product determination is confirmed for the inspection target image having the characteristic amount with which the non-defective product determination or the defective product determination is executable based on the characteristic amount within the inspection target image and the threshold for confirming the non-defective product determination or the threshold for confirming the defective product determination.Type: ApplicationFiled: April 3, 2020Publication date: November 19, 2020Applicant: Keyence CorporationInventors: Masato SHIMODAIRA, Norimasa MAYUMI
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Publication number: 20200363188Abstract: To provide a three-dimensional coordinate measuring device capable of performing highly reliable shape measurement at high accuracy without complicated calibration work. A motorized rotation stage is rotatably supported with respect to a reference base. A reference camera is fixed to the reference base, the reference camera captures an image of a plurality of reference markers provided on the motorized rotation stage. At the time of calibration, a plurality of markers of the reference member are captured at respective different postures of the motorized rotation stage. New camera parameters are calculated based on a plurality of reference images and reference marker information indicating the arrangement of the plurality of markers and then the camera parameters in the main body memory are updated to the new camera parameters.Type: ApplicationFiled: February 20, 2020Publication date: November 19, 2020Applicant: Keyence CorporationInventor: Masayasu IKEBUCHI
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Publication number: 20200364841Abstract: To enable a non-defective product image or a defective product image to be easily additionally learned in both a setting mode and a run mode. Designation as to whether an inspection target image displayed on a run mode screen is additionally learned as a non-defective product image or a defective product image is received. A distinguishing device generating unit additionally learns, as a non-defective product image or a defective product image, the inspection target image designated as the additional learning target and updates a distinguishing device.Type: ApplicationFiled: December 30, 2019Publication date: November 19, 2020Applicant: Keyence CorporationInventors: Shunichi HINO, Daisuke KIDA
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Publication number: 20200364840Abstract: To enable inspection setting flows appropriate for a rule-based inspection mode and a learning-based inspection mode to be easily created when these modes are implemented in an image inspection apparatus. The rule-based inspection mode and the learning-based inspection mode are implemented in the image inspection apparatus. In the setting mode in a rule-based inspection, the user can set an imaging condition, select an image processing tool, set the application range of an image processing tool, and adjust the parameters of the image processing tool. In the setting mode in a learning-based inspection, a non-defective product image and a defective product image are input to generate a distinguishing device.Type: ApplicationFiled: December 30, 2019Publication date: November 19, 2020Applicant: Keyence CorporationInventors: Nobuyuki KURIHARA, Shunichi HINO
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Publication number: 20200363191Abstract: 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: ApplicationFiled: August 4, 2020Publication date: November 19, 2020Applicant: Keyence CorporationInventor: Yoshitaka TSUCHIDA
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Patent number: 10837757Abstract: To provide a three-dimensional coordinate measuring device capable of performing highly reliable shape measurement at high accuracy without complicated calibration work. A motorized rotation stage is rotatably supported with respect to a reference base. A reference camera is fixed to the reference base, the reference camera captures an image of a plurality of reference markers provided on the motorized rotation stage. At the time of calibration, a plurality of markers of the reference member are captured at respective different postures of the motorized rotation stage. New camera parameters are calculated based on a plurality of reference images and reference marker information indicating the arrangement of the plurality of markers and then the camera parameters in the main body memory are updated to the new camera parameters.Type: GrantFiled: February 20, 2020Date of Patent: November 17, 2020Assignee: KEYENCE CORPORATIONInventor: Masayasu Ikebuchi
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Patent number: 10831259Abstract: Provided is a photoelectric sensor capable of enhancing display flexibility of a display section mounted on the photoelectric sensor and making this display flexibility contribute to improvement in user's operability. In a Run mode, a current value is displayed in large-sized numerals on a display section. When switching is made from the Run mode to a setting mode and letter information is to be displayed in the setting mode, a current value is displayed in relatively small-sized numerals at the corner (e.g., lower left) of the display section.Type: GrantFiled: November 7, 2017Date of Patent: November 10, 2020Assignee: KEYENCE CORPORATIONInventor: Tomoki Hanada
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Publication number: 20200340799Abstract: A light source irradiates the measuring object with slit light having a width in an X direction. An image sensor receives reflected light from the measuring object, has a plurality of pixels two-dimensionally arranged in a U direction corresponding to the X direction and a V direction corresponding to a Z direction, and outputs a light receiving amount of the reflected light. A detecting unit detects a position of a pixel in the V direction. A generating unit generates a profile of the X-Z cross section from each position of the plurality of pixel rows in the U direction and the peak position in the V direction. A resolution in the V direction of the image sensor is lower than a resolution in the U direction of the image sensor.Type: ApplicationFiled: March 19, 2020Publication date: October 29, 2020Applicant: Keyence CorporationInventors: Akira FUYUNO, Yoshitaka TSUCHIDA
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Publication number: 20200340800Abstract: The optical displacement meter generates, from each position of a plurality of pixel rows in a U direction and a peak position in a V direction, a plurality of profiles of the X-Z cross section, and measures a three-dimensional shape of the measuring object based on the plurality of profiles acquired at different positions in the Y direction. The optical displacement meter determines, based on whether a profile exists in a blind spot region in which it is impossible to measure a height which occurs in a Y-Z cross section corresponding to an angle formed between a light projecting axis of a light projecting section and a light receiving axis of an image sensor based on a principle of triangulation, a part of the three-dimensional shape generated by a measuring unit as an erroneous detection value.Type: ApplicationFiled: March 19, 2020Publication date: October 29, 2020Applicant: Keyence CorporationInventor: Tatsuro HOMMA
