Patents by Inventor Terukazu SENDA
Terukazu SENDA 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).
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Publication number: 20210353494Abstract: An assist device includes a first body-worn unit, a second body-worn unit, a belt body, an actuator, and a controller. The actuator includes a pulley and a motor that causes the pulley to reel and unreel a part of the belt body. The controller is configured to execute a mode switching process of switching a control mode of the motor to one a restriction mode in which a maximum rotation speed of the motor is restricted to a predetermined rotation speed and a normal mode in which the motor is operated within a rotation speed range higher than the predetermined rotation speed.Type: ApplicationFiled: May 13, 2021Publication date: November 18, 2021Applicant: JTEKT CORPORATIONInventors: Yoshitaka YOSHIMI, Kazuyoshi OHTSUBO, Terukazu SENDA
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Patent number: 10775768Abstract: A program includes a parameter numeric value and a parameter code and a parameter name that are associated with the parameter numeric value. A dialog box information creation processing unit recognizes the parameter code and the parameter name, which are included in the program, as a parameter item, and creates dialog box information from the recognized parameter code and parameter name and the associated parameter numeric value. The parameter numeric value within the created dialog box information is editable on a dialog box display screen. When the parameter numeric value is updated, a process of changing the corresponding parameter numeric value in the program to the updated parameter numeric value is executed.Type: GrantFiled: June 18, 2012Date of Patent: September 15, 2020Assignee: JTEKT CORPORATIONInventors: Koji Kito, Terukazu Senda, Hirohisa Okudaira
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Patent number: 10686624Abstract: A communication system includes: an information acquisition unit that acquires node information, which indicates the presence or absence of the execution of a reissuing process by communication processing nodes, for a plurality of switching processes in the case where a switching process has been executed once each for all of communication lines; and a system information generation unit that generates system information, which indicates the system of a communication network, on the basis of a plurality of pieces of node information that have been acquired.Type: GrantFiled: November 7, 2016Date of Patent: June 16, 2020Assignee: JTEKT CORPORATIONInventors: Terukazu Senda, Satoshi Kato
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Patent number: 10599118Abstract: A screen information generation device generates screen information indicating display content of a display device connected to a programmable controller that controls a control object device according to a chart program indicating execution order of a plurality of steps each provided per operation unit. When generating the screen information of an individual-manipulation screen for use in individually operating the control object device per operation unit, the screen information generation device is configured to generate the screen information based on the chart program such that a plurality of operation buttons that respectively correspond to the plurality of steps is displayed on the display device.Type: GrantFiled: May 13, 2016Date of Patent: March 24, 2020Assignee: JTEKT CORPORATIONInventors: Akihiro Shimizu, Terukazu Senda
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Patent number: 10416641Abstract: An operation program editing device includes a program editing portion configured to edit an operation program executable by a programmable controller that controls a facility, and the program editing portion includes a bypass circuit generation unit that generates a bypass circuit including a bypass path for skipping execution of some of the plurality of steps at a time of reactivation of the facility, a first selection receiving unit that receives selection of a last step, from among the plurality of steps, within a range where the execution is skipped by the bypass circuit, and a second selection receiving unit that receives selection of a first step, from among the plurality of steps, within the range where the execution is skipped by the bypass circuit.Type: GrantFiled: January 8, 2016Date of Patent: September 17, 2019Assignees: JTEKT CORPORATION, TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Akihiro Shimizu, Terukazu Senda, Masanori Muramatsu, Kouji Hamakawa, Kenzou Mima, Kouji Yamashiro
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Patent number: 10359752Abstract: An operation program editing device includes a program editing portion configured to edit an operation program executable by a programmable controller that controls a facility, and the program editing portion includes a bypass circuit generation unit that generates a bypass circuit including a bypass path for skipping execution of some of the plurality of steps at a time of reactivation of the facility, a first selection receiving unit that receives selection of a last step, from among the plurality of steps, within a range where the execution is skipped by the bypass circuit, and a second selection receiving unit that receives selection of a first step, from among the plurality of steps, within the range where the execution is skipped by the bypass circuit.Type: GrantFiled: January 8, 2016Date of Patent: July 23, 2019Assignees: JTEKT CORPORATION, TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Akihiro Shimizu, Terukazu Senda, Masanori Muramatsu, Kouji Hamakawa, Kenzou Mima, Kouji Yamashiro
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Patent number: 10067492Abstract: A programmable logic controller capable of improving the expandability of a distributed control system and a programming tool for the programmable logic controller are provided. A programmable logic controller (PLC) that constitutes a distributed control system includes: a variable table that includes variable information including identification symbols for identification of a plurality of PLCs and variable names of reference variables, the variable information being set for each of the reference variables; a storage device that has a memory region for storing the reference variables; and an interface circuit that mutually converts communication data for use in communication between the PLC and a different PLC and the reference variables stored in the memory region. The reference variables are variables mutually referenced by the plurality of PLCs.Type: GrantFiled: March 20, 2015Date of Patent: September 4, 2018Assignee: JTEKT CORPORATIONInventors: Terukazu Senda, Kenji Yoshida, Satoshi Kato
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Patent number: 9971331Abstract: A monitoring device for a programmable controller can resume continuous operation from an appropriate step, when the equipment is restarted after abnormality handling process. The monitoring device includes: a read device that reads operating state information of equipment from the programmable controller during individual operation; a relationship information storage device that stores relationship information showing relationship between the first step to be executed out of the steps when the equipment is restarted after the individual operation and the operating state information; a selection device that refers to the operating state information and selects the first step to be executed when the equipment is restarted, based on the relationship information; and a command transmission device that transmits a command to change an in-execution flag of the programmable controller which shows the first step to be executed when the equipment is restarted, based on the selection result of the selection device.Type: GrantFiled: April 14, 2016Date of Patent: May 15, 2018Assignee: JTEKT CORPORATIONInventors: Akihiro Shimizu, Terukazu Senda
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Patent number: 9933773Abstract: A monitoring device for a programmable controller includes: a display portion configured to display, on a display, a step that is being executed by the programmable controller among a plurality of steps in such a manner that the step can be distinguished from the other steps; a receiving portion configured to receive selection of a step serving as an initial point of reactivation in a case where a facility stops during a continuous operation by the programmable controller; and a change instruction generation portion configured to generate an instruction to the programmable controller so as to cause the programmable controller to restart execution of control processes from the step received by the receiving portion at the time of the reactivation.Type: GrantFiled: January 8, 2016Date of Patent: April 3, 2018Assignees: JTEKT CORPORATION, TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Akihiro Shimizu, Terukazu Senda, Masanori Muramatsu, Kouji Hamakawa, Kenzou Mima, Kouji Yamashiro
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Patent number: 9830053Abstract: A screen definition device includes a screen data generating unit that outputs screen data generated by combining model screen data in which section information is set, with screen definition tables for the model screen data; a screen data combining unit that combines the screen data with the other screen data based on a reference relation indicated by link information of the screen data and the link information of the other screen data; and a screen definition table setting unit that sets screen definition tables in a table form.Type: GrantFiled: March 24, 2014Date of Patent: November 28, 2017Assignee: JTEKT CORPORATIONInventors: Terukazu Senda, Kentaro Takasu
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Patent number: 9823641Abstract: The PLC communication system associated with the invention is characterized in that the system comprises a programmable logic controller (PLC), a plurality of processing devices, at least three communication processing nodes provided at the PLC and at the plurality of processing devices respectively to establish communication of the PLC and each of the processing devices and an interconnecting device and a plurality of communication lines for connecting the communication processing nodes with one another to establish data communication among the communication processing nodes. The PLC detects a state of communication failure and a display device displays an abnormal portion in a communication route based on the number of occurrences of the state of communication failure in respective interconnecting device and plurality of communication lines.Type: GrantFiled: April 2, 2014Date of Patent: November 21, 2017Assignees: JTEKT Corporation, TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Terukazu Senda, Satoshi Kato, Toshio Aono, Toshiyuki Kamauchi, Masanori Ido
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Patent number: 9778638Abstract: A PLC communication system includes a PLC; a plurality of devices; three or more communication processing nodes that are provided respectively in the PLC and the devices to allow the PLC to communicate with each of the devices; and a plurality of communication lines that connect the communication processing nodes to each other to allow data communication. The PLC detects an incommunicable state between two of the communication processing nodes. The PLC communication system further includes a display device, and in a case where there are a plurality of types of incommunicable states detected by the PLC, the display device displays a portion where communication lines constituting the incommunicable states among the plurality of communication lines overlap with each other, as a line failure portion.Type: GrantFiled: November 26, 2013Date of Patent: October 3, 2017Assignee: JTEKT CORPORATIONInventors: Satoshi Kato, Yasuteru Yamauchi, Terukazu Senda
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Publication number: 20170141933Abstract: A communication system includes: an information acquisition unit that acquires node information, which indicates the presence or absence of the execution of a reissuing process by communication processing nodes, for a plurality of switching processes in the case where a switching process has been executed once each for all of communication lines; and a system information generation unit that generates system information, which indicates the system of a communication network, on the basis of a plurality of pieces of node information that have been acquired.Type: ApplicationFiled: November 7, 2016Publication date: May 18, 2017Applicant: JTEKT CORPORATIONInventors: Terukazu SENDA, Satoshi KATO
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Publication number: 20160334981Abstract: A screen information generation device generates screen information indicating display content of a display device connected to a programmable controller that controls a control object device according to a chart program indicating execution order of a plurality of steps each provided per operation unit. When generating the screen information of an individual-manipulation screen for use in individually operating the control object device per operation unit, the screen information generation device is configured to generate the screen information based on the chart program such that a plurality of operation buttons that respectively correspond to the plurality of steps is displayed on the display device.Type: ApplicationFiled: May 13, 2016Publication date: November 17, 2016Applicant: JTEKT CORPORATIONInventors: Akihiro SHIMIZU, Terukazu SENDA
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Patent number: 9483041Abstract: A block execution sequence display system includes: a machine tool that has numerical control and sequence control; a programmable controller that executes a sequence program; a numerical control device that executes a NC program; block execution sequence array display means for displaying a block execution sequence array in which sequence functional blocks and a NC program execution block are arranged in an execution sequence; selecting means for selecting one of blocks in the array; and NC functional block execution sequence array display means for, when the NC program execution block is selected by the selecting means, displaying a NC functional block execution sequence array in which a plurality of NC functional blocks are arranged in an execution sequence.Type: GrantFiled: June 8, 2012Date of Patent: November 1, 2016Assignee: JTEKT CORPORATIONInventors: Koji Kito, Terukazu Senda
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Publication number: 20160306333Abstract: A monitoring device for a programmable controller can resume continuous operation from an appropriate step, when the equipment is restarted after abnormality handling process. The monitoring device includes: a read device that reads operating state information of equipment from the programmable controller during individual operation; a relationship information storage device that stores relationship information showing relationship between the first step to be executed out of the steps when the equipment is restarted after the individual operation and the operating state information; a selection device that refers to the operating state information and selects the first step to be executed when the equipment is restarted, based on the relationship information; and a command transmission device that transmits a command to change an in-execution flag of the programmable controller which shows the first step to be executed when the equipment is restarted, based on the selection result of the selection device.Type: ApplicationFiled: April 14, 2016Publication date: October 20, 2016Applicant: JTEKT CorporationInventors: Akihiro SHIMIZU, Terukazu Senda
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Publication number: 20160202683Abstract: A monitoring device for a programmable controller includes: a display portion configured to display, on a display, a step that is being executed by the programmable controller among a plurality of steps in such a manner that the step can be distinguished from the other steps; a receiving portion configured to receive selection of a step serving as an initial point of reactivation in a case where a facility stops during a continuous operation by the programmable controller; and a change instruction generation portion configured to generate an instruction to the programmable controller so as to cause the programmable controller to restart execution of control processes from the step received by the receiving portion at the time of the reactivation.Type: ApplicationFiled: January 8, 2016Publication date: July 14, 2016Applicants: JTEKT CORPORATION, TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Akihiro SHIMIZU, Terukazu SENDA, Masanori MURAMATSU, Kouji HAMAKAWA, Kenzou MIMA, Kouji YAMASHIRO
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Publication number: 20160202685Abstract: An operation program editing device includes a program editing portion configured to edit an operation program executable by a programmable controller that controls a facility, and the program editing portion includes a bypass circuit generation unit that generates a bypass circuit including a bypass path for skipping execution of some of the plurality of steps at a time of reactivation of the facility, a first selection receiving unit that receives selection of a last step, from among the plurality of steps, within a range where the execution is skipped by the bypass circuit, and a second selection receiving unit that receives selection of a first step, from among the plurality of steps, within the range where the execution is skipped by the bypass circuit.Type: ApplicationFiled: January 8, 2016Publication date: July 14, 2016Applicants: JTEKT CORPORATION, TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Akihiro Shimizu, Terukazu Senda, Masanori Muramatsu, Kouji Hamakawa, Kenzou Mima, Kouji Yamashiro
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Publication number: 20150277415Abstract: A programmable logic controller capable of improving the expandability of a distributed control system and a programming tool for the programmable logic controller are provided. A programmable logic controller (PLC) that constitutes a distributed control system includes: a variable table that includes variable information including identification symbols for identification of a plurality of PLCs and variable names of reference variables, the variable information being set for each of the reference variables; a storage device that has a memory region for storing the reference variables; and an interface circuit that mutually converts communication data for use in communication between the PLC and a different PLC and the reference variables stored in the memory region. The reference variables are variables mutually referenced by the plurality of PLCs.Type: ApplicationFiled: March 20, 2015Publication date: October 1, 2015Applicant: JTEKT CORPORATIONInventors: Terukazu SENDA, Kenji YOSHIDA, Satoshi KATO
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Publication number: 20140336784Abstract: The PLC communication system associated with the invention is characterized in that the system comprises a programmable logic controller (PLC), a plurality of processing devices, at least three communication processing nodes provided at the PLC and at the plurality of processing devices respectively to establish communication of the PLC and each of the processing devices and an interconnecting device and a plurality of communication lines for connecting the communication processing nodes with one another to establish data communication among the communication processing nodes. The PLC detects a state of communication failure and a display device displays an abnormal portion in a communication route based on the number of occurrences of the state of communication failure in respective interconnecting device and plurality of communication lines.Type: ApplicationFiled: April 2, 2014Publication date: November 13, 2014Applicants: Toyota Jidosha Kabushiki Kaisha, JTEKT CorporationInventors: Terukazu SENDA, Satoshi Kato, Toshio Aono, Toshiyuki Kamauchi, Masanori Ido