Patents by Inventor Junichi Tezuka

Junichi Tezuka has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 11067972
    Abstract: To provide an observation device, an observation method, and a computer-readable medium developed to allow checking of observation data in entirety. An observation device comprises: a data acquisition unit that acquires observation data together with temporal information, the observation data including at least one of an internal behavior signal about a numerical controller for controlling a machine tool, etc., and feed axis control data and spindle control data detected from a motor of the machine tool, etc.; a setting unit that sets a time scale for the observation data acquired by the data acquisition unit; a print data generation unit that generates print data including the observation data represented on the time scale set by the setting unit; and a print data output unit that outputs the print data generated by the print data generation unit to a printer capable of producing a long printed matter.
    Type: Grant
    Filed: November 13, 2018
    Date of Patent: July 20, 2021
    Assignee: FANUC CORPORATION
    Inventors: Wei Luo, Junichi Tezuka, Tadashi Okita
  • Patent number: 11055047
    Abstract: The waveform display device of the present invention is provided with a waveform pattern storage unit configured to store, in an associated manner, a control command and a waveform pattern of time-series data measured when the manufacturing machine is controlled by the control command, a waveform analysis unit configured to extract a characteristic waveform from the time-series data and identify the control command corresponding to the characteristic waveform with reference to the waveform pattern storage unit, a correspondence analysis unit configured to identify the correspondence between the characteristic waveform and a command included in the control program, based on the control program and the control command corresponding to the characteristic waveform, and a display unit configured to perform display such that the correspondence between the characteristic waveform and the command included in the control program is ascertainable.
    Type: Grant
    Filed: April 1, 2019
    Date of Patent: July 6, 2021
    Assignee: FANUC CORPORATION
    Inventor: Junichi Tezuka
  • Patent number: 11003162
    Abstract: A data collection device capable of reducing the load of a data collection process and network communication by monitoring trigger at a plurality of cycles is provided. The data collection device includes a control unit, and the control unit includes: an event monitoring unit that acquires first trigger information from the machine tool at a first cycle and monitors whether a starting condition and an ending condition for acquisition of the data have been established on the basis of the first trigger information; a sampling control unit that instructs the machine tool to sample the data at a second cycle shorter than the first cycle when the starting condition is established and instructs the machine tool to end the sampling when the ending condition is established; and a data acquisition unit that acquires the data sampled by the machine tool from the machine tool together with second trigger information.
    Type: Grant
    Filed: November 21, 2018
    Date of Patent: May 11, 2021
    Assignee: FANUC CORPORATION
    Inventors: Kazuyuki Sugiyama, Junichi Tezuka, Tadashi Okita
  • Publication number: 20210132570
    Abstract: The present disclosure is intended to provide a technique which enables a direct visual comparison between a computationally-machined surface profile determined based on motor position information and a machined surface profile obtained by actual measurement of a machined surface.
    Type: Application
    Filed: October 8, 2020
    Publication date: May 6, 2021
    Applicant: FANUC CORPORATION
    Inventors: Junichi TEZUKA, Hiroyuki UCHIDA
  • Publication number: 20200376593
    Abstract: In a measurement device which measures an operation state of a galvanoscanner that scans a laser beam by reflecting the laser beam emitted from a laser light source by mirrors which are rotationally driven by motors, and operates based on an operation command, the measurement device includes: a position information acquisition unit which acquires a rotational position of the mirror in time series as position information; an irradiation position specification unit which specifies an irradiation position of the laser beam irradiated towards a workpiece, based on acquired position information; and an output unit which outputs the irradiation position of the laser beam specified to be visually confirmable.
    Type: Application
    Filed: May 27, 2020
    Publication date: December 3, 2020
    Inventor: Junichi TEZUKA
  • Publication number: 20200341446
    Abstract: A waveform display device includes a position information acquisition unit configured to acquire, from a controller for controlling a machine tool, position information indicating a position of a driving axis of the machine tool during machining of a workpiece, a machine information acquisition unit configured to acquire machine information indicating axis configuration of the machine tool, a machining point coordinate calculation unit configured to calculate a coordinate of a machining point of a tool installed to the machine tool, on the basis of the position information and the machine information, a reference surface setting unit configured to set a targeted machining surface of the workpiece as a reference surface, a distance calculation unit configured to calculate distance from each of a plurality of the machining to the reference surface, and a waveform display unit configured to display the calculated distances of the plurality of machining points in a wave form.
    Type: Application
    Filed: April 7, 2020
    Publication date: October 29, 2020
    Inventor: Junichi TEZUKA
  • Patent number: 10739231
    Abstract: A data measuring device includes a communicating part capable of communicating with a plurality of numerical control devices which control a plurality of machine tools through communication cables, a physical data measuring part which measures physical data relating to operations of drive shafts of the machine tools corresponding to the numerical control devices which communicate with the communicating part through such numerical control devices, and a destination determining part which successively determines a numerical control device which should be the destination of the communicating part. The communicating part successively switches the destination so as to communicate with the numerical control device which should be the destination determined by the destination determining part, when the physical data measuring part measures the physical data.
    Type: Grant
    Filed: March 2, 2016
    Date of Patent: August 11, 2020
    Assignee: FANUC CORPORATION
    Inventors: Hajime Ogawa, Junichi Tezuka
  • Publication number: 20200249652
    Abstract: An information processing device according to the present invention includes: a numerical data storage unit which stores numerical data related to control or operation of a machine tool that numerically controls a drive axis at every time; an audiovisual information storage unit which stores audiovisual information acquired in the machine tool; and an output control unit which causes the audiovisual information stored in the audiovisual information storage unit to be outputted, while simultaneously causing the numerical data of the time at which acquiring the audiovisual information being outputted to be displayed from among the numerical data stored in the numerical data storage unit.
    Type: Application
    Filed: January 3, 2020
    Publication date: August 6, 2020
    Applicant: FANUC CORPORATION
    Inventor: Junichi TEZUKA
  • Patent number: 10698872
    Abstract: To alleviate the work load of managing a plurality of machines more appropriately. A data collection management system (1) includes a data collection management device (10) that manages acquisition of measurement data of a plurality of machine tools (20). The data collection management device (10) includes: a setting storage unit (16) that stores connection settings of the plurality of machine tools (20) and setting of the type of measurement data measured in each of the machine tools (20); a setting unit (11b) that sets the connection settings and the type of the measurement data to a measurement tool corresponding to each of the machine tools (20); and an execution management unit (11c) that executes measurement of each of the machine tools (20) using the measurement tool according to the settings performed by the setting unit (11b).
    Type: Grant
    Filed: March 15, 2018
    Date of Patent: June 30, 2020
    Assignee: FANUC CORPORATION
    Inventors: Wei Luo, Junichi Tezuka
  • Patent number: 10678222
    Abstract: To reliably collect measured data without requiring a large-capacity storage device. A data collection device which is connected with a plurality of machine tools via a network includes: a priority calculation means for calculating a degree of relative priority for each of the plurality of machines tools, based on information related to a state of each of the machine tools; and a measured data collection means for deciding, in a case of receiving a collection request of measured data for the machine tool, which machine tool among the machine tools corresponding to the collection request to set as a collection target of the measured data based on the degree of relative priority, and for collecting the measured data from the machine tool decided as the collection target via the network.
    Type: Grant
    Filed: January 31, 2018
    Date of Patent: June 9, 2020
    Assignee: FANUC CORPORATION
    Inventors: Keitarou Inagaki, Junichi Tezuka, Tadashi Okita
  • Publication number: 20200149868
    Abstract: An image capturing apparatus includes: a coordinate value acquisition unit that acquires first coordinate values serving as position information of a moving target; an image capturing unit that captures an image of the target; a direction and distance calculation unit that calculates a direction of an optical axis that connects the target and the image capturing unit and a distance between the target and the image capturing unit on the optical axis on the basis of the first coordinate values and second coordinate values serving as position information of the image capturing unit; an attitude control unit that controls an attitude of the image capturing unit on the basis of the calculated direction of the optical axis; and an imaging magnification setting unit that sets an imaging magnification of the target in the image capturing unit on the basis of the calculated distance, wherein the image of the moving target is captured while changing the imaging magnification of the target and the attitude of the image
    Type: Application
    Filed: September 19, 2019
    Publication date: May 14, 2020
    Applicant: FANUC CORPORATION
    Inventor: Junichi TEZUKA
  • Patent number: 10539931
    Abstract: To provide a time-series data analysis device which allows to compare time-series data easily.
    Type: Grant
    Filed: March 11, 2019
    Date of Patent: January 21, 2020
    Assignee: FANUC CORPORATION
    Inventors: Wei Luo, Junichi Tezuka, Tadashi Okita
  • Publication number: 20190383701
    Abstract: A synchronizing device includes: a machine data acquisition portion which acquires at least one type of machine data related to operation of a machine in a time series based on first time information; a measurement data acquisition portion which acquires at least one type of measurement data measuring the state of the machine in a time series based on second time information; a first extraction portion which extracts, from any of the machine data, a moment at which a feature set in advance indicating a predetermined event is expressed; a second extraction portion which extracts, from any of the measurement data, a moment at which a feature set in advance indicating the predetermined event is expressed; and an output portion which synchronizes a moment extracted by the first extraction portion and a moment extracted by the second extraction portion, and outputs the machine data and the measurement data.
    Type: Application
    Filed: May 23, 2019
    Publication date: December 19, 2019
    Applicant: FANUC CORPORATION
    Inventor: Junichi TEZUKA
  • Patent number: 10503141
    Abstract: A display device includes a position information acquisition part, a rotation information acquisition part, a first waveform generation part, a second waveform generation part, and a waveform display part, which displays plural second waveform data. The position information acquisition part acquires position information of a feed axis. The rotation information acquisition part acquires the rotation speed of a workpiece as rotation information of a spindle. The first waveform generation part generates first waveform data representing a change of the position information over time from time series position information of the feed axis. The second waveform generation part generates plural second waveform data by obtaining a time per rotation from the rotation speed, dividing the first waveform data into partial waveform data for time per rotation, and sequentially shifting each partial waveform data in the time axis direction so as to match a start point of the first waveform data.
    Type: Grant
    Filed: May 11, 2018
    Date of Patent: December 10, 2019
    Assignee: FANUC CORPORATION
    Inventors: Junichi Tezuka, Kenta Yamamoto
  • Publication number: 20190317715
    Abstract: The waveform display device of the present invention is provided with a waveform pattern storage unit configured to store, in an associated manner, a control command and a waveform pattern of time-series data measured when the manufacturing machine is controlled by the control command, a waveform analysis unit configured to extract a characteristic waveform from the time-series data and identify the control command corresponding to the characteristic waveform with reference to the waveform pattern storage unit, a correspondence analysis unit configured to identify the correspondence between the characteristic waveform and a command included in the control program, based on the control program and the control command corresponding to the characteristic waveform, and a display unit configured to perform display such that the correspondence between the characteristic waveform and the command included in the control program is ascertainable.
    Type: Application
    Filed: April 1, 2019
    Publication date: October 17, 2019
    Inventor: Junichi TEZUKA
  • Patent number: 10444729
    Abstract: To provide a monitoring device, a machine tool, and a monitoring system capable of collecting data efficiently required for examining an alarm. A monitoring device is connected to multiple machine tools through a network. The monitoring device comprises: a monitoring unit that monitors the occurrence of an alarm in the machine tools; an acquisition unit that acquires a set of measurement target data items responsive to an alarm from a database on the occurrence of the alarm; and a collection unit that sets the set of measurement target data items in the multiple machine tools, and collects data measured by following the setting.
    Type: Grant
    Filed: February 2, 2018
    Date of Patent: October 15, 2019
    Assignee: FANUC CORPORATION
    Inventors: Kazuyuki Sugiyama, Junichi Tezuka, Tadashi Okita
  • Publication number: 20190310613
    Abstract: To provide an observation apparatus, an observation method, and an observation program capable of presenting a point of interest for finding a wasteful waiting time of a machine. The observation apparatus includes an observation data acquisition unit configured to acquire observation data on an operation status of a machine along with time information, an extraction unit configured to extract, on the basis of a first condition relating to the observation data, a time range of the observation data corresponding to an operation of the machine, the operation having a possibility of generating a waiting time, and an output unit configured to output information on the extracted time range.
    Type: Application
    Filed: March 18, 2019
    Publication date: October 10, 2019
    Inventors: Wei LUO, Junichi TEZUKA, Tadashi OKITA
  • Publication number: 20190286070
    Abstract: To provide a time-series data analysis device which allows to compare time-series data easily.
    Type: Application
    Filed: March 11, 2019
    Publication date: September 19, 2019
    Inventors: Wei LUO, Junichi TEZUKA, Tadashi OKITA
  • Patent number: 10365255
    Abstract: A vibration analysis device calculates a vibration cycle which occurs during a period in which a workpiece is processed by a machine tool, and includes a tangential velocity calculation unit which calculates a velocity in a tangential direction of a movement path of a processing point by using positional information of a drive axis. The vibration analysis device comprises a movement distance calculation unit which calculates a first movement distance of the processing point on the movement path by using the velocity in the tangential direction. The vibration analysis device comprises a vibration cycle calculation unit which calculates a vibration cycle corresponding to streaks on the basis of previously measured streak intervals on the workpiece and the first movement distance of the processing point.
    Type: Grant
    Filed: September 7, 2016
    Date of Patent: July 30, 2019
    Assignee: FANUC CORPORATION
    Inventors: Hajime Ogawa, Junichi Tezuka
  • Patent number: 10345778
    Abstract: A waveform display device is provided that extracts data of a required portion from data outputted from a numerical control. A waveform display device includes: a data acquisition part that acquires a predetermined type of data from output data outputted from a numerical control; a condition determination part that determines a start condition and end condition for extracting partial data from the predetermined type of data based on information from the numerical control; a data extraction part that extracts the partial data corresponding to the start condition and end condition from the predetermined type of data; and a waveform display part that displays the partial data extracted as a waveform.
    Type: Grant
    Filed: March 17, 2017
    Date of Patent: July 9, 2019
    Assignee: FANUC CORPORATION
    Inventor: Junichi Tezuka