Patents Assigned to OMRON
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Publication number: 20200052622Abstract: A simulation device includes: a simulation system including a predetermined feedback system having at least a predetermined control block structure corresponding to a predetermined device-side configuration; a holding unit holding impulse response information for calculation that is information on an impulse response relating to the predetermined device-side configuration; a first response calculation unit calculating a time response of the predetermined device-side configuration to a predetermined input value by convolution processing using the impulse response information for calculation and the predetermined input value; and a second response calculation unit calculating a response of the simulation system to a command value input to the simulation system by using the time response of the predetermined device-side configuration calculated by the first response calculation unit. According to this configuration, simulation accuracy of a control system is improved.Type: ApplicationFiled: January 30, 2018Publication date: February 13, 2020Applicant: OMRON CorporationInventors: Kentaro URABE, Mamoru EGI
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Publication number: 20200049876Abstract: An object is to promote a reduction in thickness of a light guide plate and suppress brightness non-uniformity of the light guide plate. A light guide plate, including: a light exit surface from which light is emitted; an opposite surface on an opposite side of the light exit surface; a depressed portion provided on the opposite surface; and a plurality of scattering portions which are provided on the light exit surface, the opposite surface, and a bottom surface of the depressed portion and which refract and scatter light, wherein the depressed portion has a tapered surface which spreads from the bottom surface of the depressed portion toward an opening of the depressed portion.Type: ApplicationFiled: December 5, 2017Publication date: February 13, 2020Applicants: OMRON Corporation, NICHIA CORPORATIONInventors: Shotaro WATANABE, Kazuhide HIROTA, Naoki ISHIMI
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Publication number: 20200053846Abstract: A power supply device includes: an input unit configured to receive an input voltage from outside; a power supply unit configured to generate a power-supply voltage from the input voltage inputted through the input unit; an output unit including an output terminal configured to output the power-supply voltage; and a lighting circuit connected to the input unit and configured to be turned on in response to application of the input voltage. The lighting circuit is configured to vary in lighting mode depending on the input voltage.Type: ApplicationFiled: April 24, 2019Publication date: February 13, 2020Applicant: OMRON CorporationInventor: Masaaki NAGANO
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Publication number: 20200050377Abstract: This control device is connected to a master device and controls a drive target on the basis of the content of communication with the master device, and includes a communication unit which periodically transmits to and receives from the master device first information, which is information relating to control of the drive target, and second information, which is information relating to safety; a first processing unit which controls the drive target by processing the first information; a second processing unit which, by processing the second information, performs processing to ensure safety of the drive target; and an abnormality determining unit which determines that an abnormality has occurred if both the first information and the second information have not been processed within a prescribed period.Type: ApplicationFiled: January 30, 2018Publication date: February 13, 2020Applicant: OMRON CorporationInventors: Kenji NAKAJIMA, Satoshi YAMAWAKI, Kentaro HIRAO
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Publication number: 20200050635Abstract: First and second data catalogs each indicate sensing data attributes. The first and second data catalogs each include a first word indicating an observation object of a sensor that generated sensing data and a second word indicating an observation characteristic of the sensor. A score calculation unit includes a first weight determination part, a second weight determination part, and a score calculation part. The first weight determination part determines a first weight value relating to the observation object, based on the relationship between the first words included in the first and second data catalogs. The second weight determination part determines a second weight value relating to the observation characteristic, based on the relationship between the second words included in the first and second data catalogs . The score calculation part calculates a score relating to the coincidence of the first and second data catalogs, using the first and second weight values.Type: ApplicationFiled: May 29, 2018Publication date: February 13, 2020Applicant: OMRON CorporationInventors: Toshihiko ODA, Tetsuji YAMATO, Takeshi NAITO, Sangryul LEE, Shuichi MISUMI, Ryota YAMADA
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Publication number: 20200052640Abstract: Provided is a motor control device generating a torque command such that a detection speed of a motor matches a command speed, and controlling the motor. The motor control device includes: a torque command differential component taking a differential of the torque command and obtaining a torque command differential value; a motor actual speed second order differential component taking a second order differential of the detection speed of the motor and obtaining a motor jerk; and a runaway detection component determining that the motor is in a runaway state in a case where an abnormal state in which a sign of the motor jerk and a sign of the torque command differential value do not match continues for a predetermined time or more. Accordingly, the runaway of the motor can be detected in a short time while the erroneous detection can be suppressed.Type: ApplicationFiled: January 29, 2018Publication date: February 13, 2020Applicant: OMRON CorporationInventor: Yasushi ONO
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Publication number: 20200049822Abstract: A distance measuring device includes a light emission portion configured to emit light; a light receiving portion configured to receive measurement light that is emitted by the light emission portion and reflected by the measurement object, the light receiving portion comprising a plurality of pixels configured to output light reception signals that depend on the received measurement light; a plurality of determination portions configured to receive the light reception signals and to determine characteristic values from the received light reception signals, and an evaluation portion that is connected to the plurality of determination portions, the evaluation portion being configured to calculate a distance from the characteristic values determined by the determination portions. Each of the plurality of determination portions is configured to receive the light reception signals only from a plurality of non-adjacent pixels.Type: ApplicationFiled: August 8, 2019Publication date: February 13, 2020Applicants: OMRON Corporation, Politecnico di MilanoInventors: Yuki MATSUI, Ken NAKAMURO, Franco ZAPPA, Federica VILLA, Rudi LUSSANA
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Publication number: 20200049877Abstract: Provided is a light guide plate including: a diverging portion which is provided on an opposite side of a light exit surface from which light is emitted, the diverging portion causing a luminous flux emitted from a light emitting element to diverge; and a restricting portion which is provided, when a prescribed range from the light emitting element on the light exit surface is defined as an illuminated area illuminated by the light emitting element, in at least a periphery of the illuminated area on the light exit surface and which deflects or shields light traveling from inside toward outside of the illuminated area to restrict traveling, toward a side of the light exit surface, of light traveling toward the outside of the illuminated area.Type: ApplicationFiled: December 5, 2017Publication date: February 13, 2020Applicants: OMRON Corporation, NICHIA CORPORATIONInventors: Shotaro WATANABE, Naoki ISHIMI, Yoshinori ITO, Tomokazu SHIMODA
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Publication number: 20200052634Abstract: Provided is an evaluation device that determines the necessity of a notch filter inserted in a control system that controls an electric motor by closed loop control. The evaluation device includes: a characteristic acquisition parts for changing a parameter associated with a characteristic of the notch filter from a first value, which is a prescribed value, to a second value, and acquiring a change in a frequency response characteristic of the electric motor when the notch filter is applied; and a determination parts for determining the necessity of the notch filter based on the change in the frequency response characteristic that has been acquired.Type: ApplicationFiled: January 30, 2018Publication date: February 13, 2020Applicant: OMRON CorporationInventors: Yasushi ONO, Mamoru EGI
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Publication number: 20200051236Abstract: A method of acquisition of a state of a power supply device and a device therefor which can improve convenience for a user are provided. A power supply device (100) includes a display part which displays a state of the inside or the surroundings thereof. A method of state acquisition by a state acquisition device (200) includes a step of acquiring an image of the power supply device (100) including at least the display part using a camera, a step of analyzing the image by a processing circuit to recognize a display state of the display part, and a step in which the processing circuit acquires information related to the state of the power supply device (100) on the basis of a predetermined relationship between the display state of the display part and the state of the power supply device.Type: ApplicationFiled: April 17, 2019Publication date: February 13, 2020Applicant: OMRON CorporationInventors: Masaaki Nagano, Yohei Takashima, Kohei Tanino
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Patent number: 10559435Abstract: A highly durable, quiet switch includes a housing, a stationary contact terminal including a fixed portion, a moving contact terminal, a moving contact unit including a body, a moving portion, and an urging member and connected to the moving contact terminal, an operating unit, a first elastic unit that comes in contact with the moving contact unit and elastically deforms when the moving portion moves away from the fixed portion, and a second elastic unit including a contact point between the moving portion and the fixed portion facing the moving portion to come in contact with the moving portion. The second elastic unit elastically deforms and electrically connects the stationary and moving contact terminals when the moving portion moves toward the fixed portion and comes in contact with the contact point.Type: GrantFiled: May 21, 2018Date of Patent: February 11, 2020Assignee: Omron CorporationInventors: Shigenobu Kishi, Yoshinori Ijiri, Mamiko Naka
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Patent number: 10559442Abstract: At the time of contact between the contacts, the first movable contact comes into contact with the first fixed contact before contact between the second movable contact and the second fixed contact is made. The first movable contact is located on a leading end side of the contact piece with respect to the second movable contact. The first divided piece includes a body and a projection. The body extends in the lengthwise direction. The projection projects in the widthwise direction of the first divided piece from the body. The projection includes a contact portion pressed by the link member.Type: GrantFiled: October 3, 2016Date of Patent: February 11, 2020Assignee: OMRON CORPORATIONInventors: Kaori Hayashida, Yuji Kozai
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Patent number: 10558175Abstract: A technique capable of shortening a period in which value of a PID parameter is outside of an appropriate range is provided. A measured value acquisition functional unit processes a sensing signal of a sensor that measures a barrel and acquires a measured value of the barrel. A storage unit stores a target value of the barrel and a PID parameter. An operation amount calculation functional unit calculates an amount of operation using the PID parameter and a difference between the measured value and the target value. A first output unit and a second output unit output the amount of operation. A first updating functional unit updates the PID parameter through a first update process when the variation range is greater than a first range, and a second updating functional unit updates the PID parameter through a second update process when the variation range is less than a second range.Type: GrantFiled: October 16, 2017Date of Patent: February 11, 2020Assignee: OMRON CorporationInventors: Hajime Tsubata, Ryosuke Hasui, Takaaki Yamada, Hitoshi Tanaka
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Patent number: 10557867Abstract: A probe pin includes an elastic hollow cylinder that expands and contracts along a central axis, a conductive first plunger extending in the cylinder along the central axis from a first end of the cylinder, and a conductive second plunger extending in the cylinder along the central axis from a second end of the cylinder. The first and second plungers are coupled together in the cylinder in a manner movable relative to each other along the central axis. The first plunger includes a first plunger body contained in the cylinder, and a first terminal connected to the first plunger body and located outside the cylinder. The second plunger includes a second plunger body contained in the cylinder, and a second terminal connected to the second plunger body and located outside the cylinder.Type: GrantFiled: January 5, 2017Date of Patent: February 11, 2020Assignee: OMRON CorporationInventors: Hirotada Teranishi, Takahiro Sakai
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Publication number: 20200041714Abstract: A light guide plate is transparent to visible light and is formed into a plate shape. The light guide plate includes a plurality of prisms 21 provided in a first region 22 on one surface 2b of the light guide plate, each of the plurality of prisms 21 including a reflection surface 21a that reflects the visible light, which is emitted from the light source 3 and enters the light guide plate 2 through an incoming surface 2a, toward the other surface 2c of the light guide plate 2. Then, for each of a plurality of first partial regions (22-1 to 22-n) in the first region 22, at least one of a direction of the reflection surface 21a of each prism 21 arranged in the first partial region and a ratio of a total of areas of the reflection surfaces 21a of each prism 21 to the first partial region is set according to an amount of light traveling from the first partial region toward a predetermined viewpoint such that brightness of the first region 22 changes spatially irregularly as seen from the predetermined viewpoint.Type: ApplicationFiled: September 15, 2017Publication date: February 6, 2020Applicant: Omron CorporationInventor: Yoshihiko Takagi
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Publication number: 20200044575Abstract: An LLC type switching power supply device in which a burst operation hardly occurs at the time of a light load is provided. A switching power supply device includes an LLC resonant converter. The LLC resonant converter includes a transformer, a first capacitor connected to a primary winding of the transformer, a switching circuit which controls power transmission to the transformer and the first capacitor, a rectification circuit connected to a secondary winding of the transformer, a second capacitor connected to the rectification circuit, and an output terminal connected to the rectification circuit and the second capacitor. The switching power supply device further includes a stabilizing circuit which is connected to the output terminal and consumes power at the time of a light load of the LLC resonant converter.Type: ApplicationFiled: April 17, 2019Publication date: February 6, 2020Applicant: OMRON CorporationInventors: Masaaki NAGANO, Kohei TANINO
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Publication number: 20200043407Abstract: An inspecting device includes: an image acquiring unit which acquires a light-emitting surface image as a photographed image of the light-emitting surface; an inspecting unit which sets an inspecting range in a position in the light-emitting surface image in which the failure may appear, generates a one-dimensional luminance profile representing change in a luminance value along the first side in the inspecting range, detects an extreme value in the luminance profile, calculates an evaluation value for evaluating the difference between adjacent extreme values, and determines the presence or absence of the failure on the basis of the evaluation value; and an output unit which output information obtained by the inspecting unit.Type: ApplicationFiled: October 24, 2017Publication date: February 6, 2020Applicant: OMRON CorporationInventor: Yoshinori KONISHI
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Publication number: 20200044560Abstract: A power supply circuit includes: a coil having a first end that receives an input voltage and a second end; a transistor connected to the second end of the coil; a first capacitor connected to the second end of the coil; and a surge protection circuit connected to the second end of the coil in parallel with the first capacitor. The surge protection circuit includes a diode, a second capacitor, and a resistance. The diode, the second capacitor, and the resistance are connected in series to the second end of the coil.Type: ApplicationFiled: July 25, 2019Publication date: February 6, 2020Applicant: OMRON CorporationInventors: Masaaki NAGANO, Kohei TANINO
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Publication number: 20200042847Abstract: A measurement system includes a first search part and a second search part. The first search part searches a set of codes for a corresponding region that indicates the same sequence as a model code string composed of a predetermined number of codes included in a unit region set in a projection pattern. The second search part searches the set of codes for a code that matches each code included in a model code string that fails in the search for the corresponding region among the model code strings included in the projection pattern, and then determines recognition of the model code string when the number of the codes that fail to be searched in this search is equal to or smaller than a predetermined number.Type: ApplicationFiled: August 2, 2019Publication date: February 6, 2020Applicant: OMRON CorporationInventors: Yutaka KATO, Toyoo IIDA, Hitoshi NAKATSUKA
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Patent number: 10555087Abstract: An acoustic sensor has a semiconductor substrate having an opening, a back plate that is disposed facing the opening of the semiconductor substrate, that is configured to function as a fixed electrode, and that has sound holes that allow passage of air, a vibration electrode film disposed facing the back plate through a void, and a casing configured to house the substrate, the back plate, and the vibration electrode film, and having a pressure hole that allows inflow of air. The acoustic sensor converts transformation of the vibration electrode film into a change in capacitance between the vibration electrode film and the back plate to detect sound pressure.Type: GrantFiled: November 9, 2017Date of Patent: February 4, 2020Assignee: Omron CorporationInventor: Yuki Uchida