Patents by Inventor Fumiyuki Onoda
Fumiyuki Onoda 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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Patent number: 11478123Abstract: A control apparatus controls an operation of a self-propelled mechanism of an endoscope. The control apparatus includes a drive circuit that outputs a motor current, a motor current detection circuit that acquires a value relating to magnitude of the motor current as a detection value, a storage circuit that stores a limit value relating to the detection value, and a control circuit that performs an operation as a first controller that controls the drive circuit so as to stop the motor when it is determined that the detection value exceeds a value relating to the limit value, and performs an operation as a second controller that controls the drive circuit so as to stop the motor when it is determined that the detection value exceeds the value relating to the limit value.Type: GrantFiled: January 8, 2020Date of Patent: October 25, 2022Assignee: OLYMPUS CORPORATIONInventors: Takashi Suzuki, Fumiyuki Onoda, Takashi Yamashita, Yasuaki Natori, Yoshitaka Umemoto, Toshihiro Kumagai, Takuro Onda
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Patent number: 11154184Abstract: An endoscope apparatus includes an elongated insertion portion, a self-propelling mechanism configured to be rotatably driven to advance and retract the insertion portion, and a motor configured to supply a drive force to the self-propelling mechanism. A control apparatus for the endoscope apparatus includes a current controller configured to supply a motor current to the motor to control driving of the motor, a motor current detector configured to detect a value of the motor current, a motor current change amount detector configured to detect an amount of change in the value of the motor current, and a limit controller configured to stop a supply of the motor current by the current controller according to the amount of change.Type: GrantFiled: May 14, 2019Date of Patent: October 26, 2021Assignee: OLYMPUS CORPORATIONInventors: Takashi Suzuki, Yoshitaka Umemoto, Yasuaki Natori, Takashi Yamashita, Fumiyuki Onoda
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Patent number: 11096561Abstract: A control apparatus includes a drive current detector detecting a drive current value driving the motor to drive a rotation body, and a controller controlling the motor in a speed control method which controls the motor so that a rotation speed of the motor reaches a targeted rotation speed until the drive current value reaches a predetermined switching value, and, when the drive current value reaches the switching value, controlling the motor by switching to a torque control method which controls the motor so that the drive current value reaches a targeted current value.Type: GrantFiled: April 30, 2018Date of Patent: August 24, 2021Assignee: OLYMPUS CORPORATIONInventors: Takashi Suzuki, Fumiyuki Onoda, Keijiro Omoto, Takashi Yamashita, Yasuaki Natori, Yoshitaka Umemoto
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Patent number: 11018608Abstract: A self-propelled endoscope apparatus includes a rotation body, a motor, a drive circuit, and a regeneration protection circuit. The rotation body is provided on an outer peripheral surface of an elongated insertion section. The rotation body is configured to be rotatable. The motor rotates the rotation body. The drive circuit drives the motor. The regeneration protection circuit performs protecting operation for protecting the drive circuit from regeneration voltage generated by regeneration of the motor.Type: GrantFiled: January 7, 2020Date of Patent: May 25, 2021Assignee: OLYMPUS CORPORATIONInventors: Yoshitaka Umemoto, Takashi Suzuki, Fumiyuki Onoda, Takashi Yamashita, Yasuaki Natori
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Patent number: 10966596Abstract: An insertion device includes a long and thin insertion section, a rotating housing that is provided to be rotatable about a longitudinal axis, a drive shaft that is connected to a motor rotating the rotating housing, and that transmits a rotation of the motor, a rotor that is provided at a distal-end side of the drive shaft and that is provided to be movable in relation to the rotating housing in axial direction of the insertion section, and that transmits the rotation to the rotating housing via a coating of the insertion section, a sensor that detects that the rotor moves a predetermined amount in either forward or backward direction relative to the axial direction of the insertion section, and a control unit that controls, according to the detection by the sensor, a state of the motor including a positive rotation, a negative rotation, and rotation halt.Type: GrantFiled: April 12, 2018Date of Patent: April 6, 2021Assignee: OLYMPUS CORPORATIONInventors: Takashi Yamashita, Yasuaki Natori, Takashi Suzuki, Yoshitaka Umemoto, Keijiro Omoto, Fumiyuki Onoda
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Patent number: 10653296Abstract: An insertion device includes a thin and elongated insertion section, a rotating body which is rotated to advance or retreat the insertion section, a driving force supply source which supplies a driving force to the rotating body, a variable stiffness section provided for the insertion section and permitting stiffness of the insertion section to be varied, a stiffness detector which detects the stiffness of the insertion section varied by the variable stiffness section, and a controller which controls the driving force supply source in accordance with the stiffness of the insertion section detected by the stiffness detector.Type: GrantFiled: August 7, 2017Date of Patent: May 19, 2020Assignee: OLYMPUS CORPORATIONInventors: Keijiro Omoto, Yasuaki Natori, Takashi Suzuki, Yoshitaka Umemoto, Takashi Yamashita, Fumiyuki Onoda
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Publication number: 20200144945Abstract: A self-propelled endoscope apparatus includes a rotation body, a motor, a drive circuit, and a regeneration protection circuit. The rotation body is provided on an outer peripheral surface of an elongated insertion section. The rotation body is configured to be rotatable. The motor rotates the rotation body. The drive circuit drives the motor. The regeneration protection circuit performs protecting operation for protecting the drive circuit from regeneration voltage generated by regeneration of the motor.Type: ApplicationFiled: January 7, 2020Publication date: May 7, 2020Applicant: OLYMPUS CORPORATIONInventors: Yoshitaka UMEMOTO, Takashi SUZUKI, Fumiyuki ONODA, Takashi YAMASHITA, Yasuaki NATORI
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Publication number: 20200138266Abstract: A control apparatus controls an operation of a self-propelled mechanism of an endoscope. The control apparatus includes a drive circuit that outputs a motor current, a motor current detection circuit that acquires a value relating to magnitude of the motor current as a detection value, a storage circuit that stores a limit value relating to the detection value, and a control circuit that performs an operation as a first controller that controls the drive circuit so as to stop the motor when it is determined that the detection value exceeds a value relating to the limit value, and performs an operation as a second controller that controls the drive circuit so as to stop the motor when it is determined that the detection value exceeds the value relating to the limit value.Type: ApplicationFiled: January 8, 2020Publication date: May 7, 2020Applicant: OLYMPUS CORPORATIONInventors: Takashi SUZUKI, Fumiyuki ONODA, Takashi YAMASHITA, Yasuaki NATORI, Yoshitaka UMEMOTO, Toshihiro KUMAGAI, Takuro ONDA
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Patent number: 10588488Abstract: A controller which controls an operation of a self-propelled mechanism of an endoscope includes an inspection control section, a usual control section, an endoscope connection detection circuit and a control switch section. The endoscope connection detection circuit detects that the endoscope has been connected. The control switch section determines whether or not the inspection operation is performed for the endoscope at the time of the connection of the endoscope, causes the usual control section to perform the usual operation when the inspection operation is performed, and causes the inspection control section to perform the inspection operation and then causes the usual control section to perform the usual operation when the inspection operation is not performed.Type: GrantFiled: September 6, 2018Date of Patent: March 17, 2020Assignee: OLYMPUS CORPORATIONInventors: Takashi Suzuki, Fumiyuki Onoda, Keijiro Omoto, Takashi Yamashita, Yasuaki Natori, Yoshitaka Umemoto
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Publication number: 20190261832Abstract: An endoscope apparatus includes an elongated insertion portion, a self-propelling mechanism configured to be rotatably driven to advance and retract the insertion portion, and a motor configured to supply a drive force to the self-propelling mechanism. A control apparatus for the endoscope apparatus includes a current controller configured to supply a motor current to the motor to control driving of the motor, a motor current detector configured to detect a value of the motor current, a motor current change amount detector configured to detect an amount of change in the value of the motor current, and a limit controller configured to stop a supply of the motor current by the current controller according to the amount of change.Type: ApplicationFiled: May 14, 2019Publication date: August 29, 2019Applicant: OLYMPUS CORPORATIONInventors: Takashi SUZUKI, Yoshitaka UMEMOTO, Yasuaki NATORI, Takashi YAMASHITA, Fumiyuki ONODA
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Publication number: 20190239722Abstract: A controller is configured to control an operation of a self-propelled mechanism provided in an elongated insertion section of an endoscope. The controller includes a circuit configured to: acquire a speed value corresponding to a rotation speed of a motor of the self-propelled mechanism; acquire a torque value corresponding to a torque generated by the motor; control rotation of the motor by switching between at least two of speed control that controls rotation of the motor based on the speed value and torque control that controls rotation of the motor based on the torque value; and stop the rotation of the motor if the torque value has exceeded a predetermined threshold value, perform the torque control when the rotation of the motor is resumed.Type: ApplicationFiled: April 17, 2019Publication date: August 8, 2019Applicant: OLYMPUS CORPORATIONInventors: Yoshitaka Umemoto, Takashi Suzuki, Yasuaki Natori, Takashi Yamashita, Fumiyuki Onoda
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Patent number: 10342415Abstract: An insertion apparatus includes an insertion section, a motor that rotates a rotational housing, a drive control unit that supplies a driving current to the motor to control driving of the motor, a temperature detector provided in the rotational housing, that detects a temperature of the rotational housing, a temperature measurement unit that measures a temperature in a vicinity of the rotational housing based on a detection result obtained from the temperature detector, a heating element used for heating, and a heating control unit that controls the heating element to perform heating when a measurement result of the temperature measurement unit is lower than a predetermined temperature.Type: GrantFiled: May 23, 2017Date of Patent: July 9, 2019Assignee: OLYMPUS CORPORATIONInventors: Yasuaki Natori, Fumiyuki Onoda, Keijiro Omoto, Takashi Yamashita, Takashi Suzuki, Yoshitaka Umemoto, Takuro Onda
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Patent number: 10314464Abstract: An insertion apparatus includes an insertion section, a rotational housing, a motor, and a controller. The motor rotates the rotational housing. The controller designates a rotational direction of the motor. The controller limits the rotational direction of the motor to allow the insertion section to move only in a removal direction when inspection control for inspecting an operation relative to an insertion direction of the insertion section is initiated.Type: GrantFiled: June 5, 2017Date of Patent: June 11, 2019Assignee: OLYMPUS CORPORATIONInventors: Takashi Suzuki, Takashi Yamashita, Yoshitaka Umemoto, Fumiyuki Onoda, Takuro Onda, Yasuaki Hirata, Takahiro Shibata
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Publication number: 20190000303Abstract: A controller which controls an operation of a self-propelled mechanism of an endoscope includes an inspection control section, a usual control section, an endoscope connection detection circuit and a control switch section. The endoscope connection detection circuit detects that the endoscope has been connected. The control switch section determines whether or not the inspection operation is performed for the endoscope at the time of the connection of the endoscope, causes the usual control section to perform the usual operation when the inspection operation is performed, and causes the inspection control section to perform the inspection operation and then causes the usual control section to perform the usual operation when the inspection operation is not performed.Type: ApplicationFiled: September 6, 2018Publication date: January 3, 2019Applicant: OLYMPUS CORPORATIONInventors: Takashi SUZUKI, Fumiyuki ONODA, Keijiro OMOTO, Takashi YAMASHITA, Yasuaki NATORI, Yoshitaka UMEMOTO
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Publication number: 20190000301Abstract: A controller controls a first device, one of an endoscope and a treatment instrument being the first device, a remaining one of the endoscope and the treatment instrument being a second device, the endoscope comprising an insertion tube and a self-propelled mechanism adapted to generate force for insertion or removal of the insertion tube. The controller includes a determination unit configured to determine whether or not the second device is functioning; and a control unit configured to restrict an operation of the first device if the second device is determined to be functioning.Type: ApplicationFiled: September 7, 2018Publication date: January 3, 2019Applicant: OLYMPUS CORPORATIONInventors: Fumiyuki ONODA, Yasuaki NATORI, Keijiro OMOTO, Takashi YAMASHITA, Takashi SUZUKI, Yoshitaka UMEMOTO
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Patent number: 10123681Abstract: An endoscope insertion shape observation apparatus includes an endoscope, a magnetic field generation coil provided at an insertion portion of the endoscope and configured to generate a magnetic field, an antenna unit configured to receive a coil signal from the magnetic field generation coil, a bending portion configured to bend the insertion portion, a bending drive section configured to drive the bending portion to bend, an insertion shape processing circuit configured to generate an insertion shape of the endoscope inserted into a subject according to a signal received from the antenna unit, a touch panel configured to display a generation result of the insertion shape processing circuit and be able to perform touch operation, and a drive section control circuit configured to control a drive amount of the bending drive section based on the touch operation on a desired location of the insertion shape displayed on the touch panel.Type: GrantFiled: November 16, 2016Date of Patent: November 13, 2018Assignee: OLYMPUS CORPORATIONInventors: Keijiro Omoto, Takashi Yamashita, Kensuke Miyake, Kazuhiro Hata, Fumiyuki Onoda
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Publication number: 20180242825Abstract: An insertion device includes a long and thin insertion section, a rotating housing that is provided to be rotatable about a longitudinal axis, a drive shaft that is connected to a motor rotating the rotating housing, and that transmits a rotation of the motor, a rotor that is provided at a distal-end side of the drive shaft and that is provided to be movable in relation to the rotating housing in axial direction of the insertion section, and that transmits the rotation to the rotating housing via a coating of the insertion section, a sensor that detects that the rotor moves a predetermined amount in either forward or backward direction relative to the axial direction of the insertion section, and a control unit that controls, according to the detection by the sensor, a state of the motor including a positive rotation, a negative rotation, and rotation halt.Type: ApplicationFiled: April 12, 2018Publication date: August 30, 2018Applicant: OLYMPUS CORPORATIONInventors: Takashi YAMASHITA, Yasuaki NATORI, Takashi SUZUKI, Yoshitaka UMEMOTO, Keijiro OMOTO, Fumiyuki ONODA
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Publication number: 20180242819Abstract: A control apparatus includes a drive current detector detecting a drive current value driving the motor to drive a rotation body, and a controller controlling the motor in a speed control method which controls the motor so that a rotation speed of the motor reaches a targeted rotation speed until the drive current value reaches a predetermined switching value, and, when the drive current value reaches the switching value, controlling the motor by switching to a torque control method which controls the motor so that the drive current value reaches a targeted current value.Type: ApplicationFiled: April 30, 2018Publication date: August 30, 2018Applicant: OLYMPUS CORPORATIONInventors: Takashi SUZUKI, Fumiyuki ONODA, Keijiro OMOTO, Takashi YAMASHITA, Yasuaki NATORI, Yoshitaka UMEMOTO
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Patent number: 9877636Abstract: An insertion apparatus includes an insertion section, a motor that rotates a rotational housing, a drive control unit that supplies a driving current to the motor to control driving of the motor, a driving current detector that detects the driving current flowing through the motor, a torque limit value storage unit that stores a torque limit value, a temperature detector detects a temperature of the rotational housing, a temperature measurement unit that measures a temperature in a vicinity of the rotational housing based on a detection result obtained from the temperature detector, and a torque limit value correction unit that corrects the torque limit value in accordance with the temperature measured by the temperature measurement unit.Type: GrantFiled: May 23, 2017Date of Patent: January 30, 2018Assignee: OLYMPUS CORPORATIONInventors: Yasuaki Natori, Fumiyuki Onoda, Keijiro Omoto, Takashi Yamashita, Takashi Suzuki, Yoshitaka Umemoto, Takuro Onda
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Publication number: 20180020901Abstract: An insertion apparatus includes an insertion section configured to be freely bendable, a rotational housing provided on an outer peripheral surface of the insertion section to be rotatable about a longitudinal axis, a motor that rotates the rotational housing, a drive control unit that supplies a drive current to the motor to control driving of the motor, a torque limit value storage unit that stores a torque limit value which is an upper limit of the drive current, a drive current detection unit that detects the drive current, and a torque limit value correction unit that corrects the torque limit value stored in the torque limit value storage unit in accordance with a bending shape detected by a bending shape detection unit that detects a bending shape of the insertion section.Type: ApplicationFiled: September 29, 2017Publication date: January 25, 2018Applicant: OLYMPUS CORPORATIONInventors: Yoshitaka UMEMOTO, Takashi YAMASHITA, Takashi SUZUKI, Fumiyuki ONODA, Takuro ONDA, Keijiro OMOTO, Yasuaki NATORI