Patents by Inventor Tomohiro Izumi
Tomohiro Izumi 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: 20230339120Abstract: A robot apparatus includes a robot, an image pickup portion, and a controller configured to control the robot. The controller obtains information about force by comparing a predetermined image with a captured image obtained by the image pickup portion imaging the robot, and performs force control of the robot on a basis of the information about force.Type: ApplicationFiled: April 13, 2023Publication date: October 26, 2023Inventor: TOMOHIRO IZUMI
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Publication number: 20220161439Abstract: An information processing apparatus includes one or more processors configured to execute measurement of a position of a predetermined part of a robot apparatus including a joint having a transmission mechanism and calibration of the robot apparatus, wherein the measurement and the calibration are executed in response to a predetermined operation.Type: ApplicationFiled: November 17, 2021Publication date: May 26, 2022Inventor: Tomohiro Izumi
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Patent number: 8663119Abstract: A wrist sphygmomanometer includes an operation unit operable by a user. A manometer measures blood pressure. A detector detects the posture of the user. A storage stores an optimum posture for the user. A comparator compares the posture detected by the detector and the optimum posture stored beforehand in the storage to generate posture information. A communication unit communicates the posture information to the user. A setting unit sets the optimum posture in the storage. The storage includes a first storage section, which stores a fixed optimum posture corresponding to an unspecified user, and a second storage section, which stores a second optimum posture corresponding to a specified used. The setting unit stores the second posture based on a value detected by the detector as the second optimum posture in the second storage section in accordance with an operation of the operation unit.Type: GrantFiled: January 5, 2011Date of Patent: March 4, 2014Assignee: Panasonic CorporationInventors: Tomohiro Izumi, Fumuro Shinichi, Akihiro Mizuuchi
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Publication number: 20120126041Abstract: Disclosed is a discharge device (20) which comprises a power supply unit (22) that supplies a first voltage, a piezoelectric transducer (24) that increases the first voltage to a second voltage by means of vibrations, and a first electrode (26) for producing a discharge product (P) by performing a discharge upon application of the second voltage. The first electrode (26) and the piezoelectric transducer (24) are electrically connected with each other via a vibration damping unit (30). In other words, the first electrode (26) and the piezoelectric transducer (24) are arranged to be out of contact with each other.Type: ApplicationFiled: August 23, 2010Publication date: May 24, 2012Applicant: PANASONIC CORPORATIONInventors: Mahito Nunomura, Hiroshi Suda, Yukiko Mishima, Masaharu Machi, Junpei Oe, Yasuhiro Komura, Yukiyasu Asano, Hiroyasu Kitamura, Tomohiro Izumi
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Patent number: 8143817Abstract: An electromagnetic actuator includes a stator and a movable body. The stator includes a core provided with magnetic poles and a coil wound on at least one of the magnetic poles. The movable body includes a permanent magnet and supported in such a manner as to make reciprocating in a direction perpendicular to a direction in which the permanent magnet opposes the magnetic poles. The movable body is reciprocated upon applying an alternating voltage to the coil. An electromagnetic actuator driving method for driving the electromagnetic actuator includes performing feedback control of the alternating voltage in which the alternating voltage is applied to the coil during a first half of a control period and in which an induced electromotive force generated in the coil during a second half of the control period is used as a control signal.Type: GrantFiled: March 23, 2009Date of Patent: March 27, 2012Assignee: Panasonic Electric Works Co., Ltd.Inventors: Tomohiro Izumi, Yasuo Ibuki
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Publication number: 20110172547Abstract: A wrist sphygmomanometer includes an operation unit operable by a user. A manometer measures blood pressure. A detector detects the posture of the user. A storage stores an optimum posture for the user. A comparator compares the posture detected by the detector and the optimum posture stored beforehand in the storage to generate posture information. A communication unit communicates the posture information to the user. A setting unit sets the optimum posture in the storage. The storage includes a first storage section, which stores a fixed optimum posture corresponding to an unspecified user, and a second storage section, which stores a second optimum posture corresponding to a specified used. The setting unit stores the second posture based on a value detected by the detector as the second optimum posture in the second storage section in accordance with an operation of the operation unit.Type: ApplicationFiled: January 5, 2011Publication date: July 14, 2011Applicant: Panasonic Electric Works Co., LTD.Inventors: Tomohiro Izumi, Shinichi Fumuro, Akihiro Mizuuchi
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Publication number: 20090243519Abstract: An electromagnetic actuator includes a stator and a movable body. The stator includes a core provided with magnetic poles and a coil wound on at least one of the magnetic poles. The movable body includes a permanent magnet and supported in such a manner as to make reciprocating in a direction perpendicular to a direction in which the permanent magnet opposes the magnetic poles. The movable body is reciprocated upon applying an alternating voltage to the coil. An electromagnetic actuator driving method for driving the electromagnetic actuator includes performing feedback control of the alternating voltage in which the alternating voltage is applied to the coil during a first half of a control period and in which an induced electromotive force generated in the coil during a second half of the control period is used as a control signal.Type: ApplicationFiled: March 23, 2009Publication date: October 1, 2009Applicant: Panasonic Electric Works Co., Ltd.Inventors: Tomohiro Izumi, Yasuo Ibuki
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Patent number: 7315098Abstract: A linear oscillator and an electric toothbrush capable of emitting a low noise and of being assembled compact are provided. The linear oscillator, which reciprocates a shaft in an axial direction thereof, includes a plunger movable together with the shaft in the axial direction of the shaft, an elastic member for applying an axially acting resilient force to the plunger, an electromagnetic driving unit operable to reciprocate the plunger in the axial direction of the shaft at a resonant frequency when an alternating current is supplied thereto, and a fixing member restricting rotation of the plunger about an axis thereof within a predetermined angle. The electric toothbrush includes the linear oscillator and a brush head attached to the shaft for use in brushing teeth.Type: GrantFiled: March 27, 2002Date of Patent: January 1, 2008Assignee: Matsushita Electric Works, Ltd.Inventors: Tomohiro Kunita, Yoshihiro Kitamura, Hidekazu Yabuuchi, Hiroki Inoue, Masayuki Suzuki, Tomohiro Izumi, Tomio Yamada, Katsuhiro Hirata, Yasushi Arikawa, Yoshitaka Ichii
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Patent number: 7307397Abstract: A driving unit of the present invention comprises a moving element, an elastic body configured to support the moving element, a permanent magnet fixed on said moving element, an electromagnet disposed to be opposed to said permanent magnet, and a controller. The moving element and the elastic body constitute a resonance system. The electromagnet includes a magnetic material and a coil wounded around the magnetic material. The controller magnetizes the magnetic material by feeding a current through the coil and gives a vibration force to the moving element by magnetic force acting between the magnetic material and the permanent magnet. The feature of the present invention resides in that the controller determines a current waveform necessary for an intended motion of the moving element, and applies a voltage to the coil intermittently so that a current in the form of the current waveform flows through said coil.Type: GrantFiled: June 13, 2005Date of Patent: December 11, 2007Assignee: Matsushita Electric Works, Ltd.Inventors: Tomohiro Izumi, Yasuo Ibuki, Mikihiro Yamashita, Hideaki Abe
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Publication number: 20050275294Abstract: A driving unit of the present invention comprises a moving element, an elastic body configured to support the moving element, a permanent magnet fixed on said moving element, an electromagnet disposed to be opposed to said permanent magnet, and a controller. The moving element and the elastic body constitute a resonance system. The electromagnet includes a magnetic material and a coil wounded around the magnetic material. The controller magnetizes the magnetic material by feeding a current through the coil and gives a vibration force to the moving element by magnetic force acting between the magnetic material and the permanent magnet. The feature of the present invention resides in that the controller determines a current waveform necessary for an intended motion of the moving element, and applies a voltage to the coil intermittently so that a current in the form of the current waveform flows through said coil.Type: ApplicationFiled: June 13, 2005Publication date: December 15, 2005Inventors: Tomohiro Izumi, Yasuo Ibuki, Mikihiro Yamashita, Hideaki Abe
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Publication number: 20040128781Abstract: A linear oscillator and an electric toothbrush capable of emitting a low noise and of being assembled compact are provided. The linear oscillator, which reciprocates a shaft in an axial direction thereof, includes a plunger movable together with the shaft in the axial direction of the shaft, an elastic member for applying an axially acting resilient force to the plunger, an electromagnetic driving unit operable to reciprocate the plunger in the axial direction of the shaft at a resonant frequency when an alternating current is supplied thereto, and a fixing member restricting rotation of the plunger about an axis thereof within a predetermined angle. The electric toothbrush includes the linear oscillator and a brush head attached to the shaft for use in brushing teeth.Type: ApplicationFiled: January 15, 2004Publication date: July 8, 2004Inventors: Tomohiro Kunita, Yoshihiro Kitamura, Hidekazu Yabuuchi, Hiroki Inoue, Masayuki Suzuki, Tomohiro Izumi, Tomio Yamada, Katsuhiro Hirata, Yasushi Arikawa, Yoshitaka Ichii