Patents by Inventor Hiroyuki Tsuchida
Hiroyuki Tsuchida 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: 11920967Abstract: A fluid detection sensor includes: an optical sensor including a light emitting element array and a light receiving element array which are arranged on a substrate along a longitudinal direction thereof; a flow path member which includes a tubular body which is transparent and is arranged along the longitudinal direction facing the optical sensor, an inside of the tubular body constituting a flow path through which a plurality of substantially immiscible fluids flow as a slug flow; and a reflecting member placed on a side opposite to the optical sensor with respect to the flow path. The fluid detection sensor detects changes in light which occur in accordance with a movement of the plurality of fluids by the light receiving element array receiving light which is emitted by the light emitting element array toward the slug flow in the flow path and is reflected by the reflecting member.Type: GrantFiled: November 14, 2019Date of Patent: March 5, 2024Assignee: KYOCERA CorporationInventors: Katsumi Tsuchida, Hiroyuki Okushiba, Tetsuya Matsushita
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Patent number: 11346691Abstract: The sensor adaptor includes a case body of which a front end is closed and a rear end is open, a cap body being engageable with the rear end of the case body, a seal member interposed between the case body and the cap body, and a fixing portion configured to fix the case body to the mounting portion. A part of the sensor is inserted into an accommodation space of the case body, and the remaining portion of the sensor is drawn out to the outside via an opening of the cap body. The seal member is disposed on a rear end side of the case body to surround the sensor. The seal member is brought into close contact with the case body and the sensor. Accordingly, a gap between the part of the sensor and the case body is sealed from an external space by the seal member.Type: GrantFiled: February 8, 2018Date of Patent: May 31, 2022Assignee: OMRON CorporationInventors: Yuki Ushiro, Hiroto Katsura, Makoto Iwai, Hiroyuki Tsuchida, Yusuke Nakayama
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Patent number: 10746893Abstract: A proximity sensor that outputs presence or absence of a detection object or a position of the detection object as a detection result includes: a detection part configured to include a detection coil and a capacitor; an oscillation circuit configured to excite the detection part; an analog/digital conversion circuit configured to detect a signal change occurring in the detection part and output a digital signal indicating the detected signal change; a temperature detection part configured to detect a temperature inside a casing of the proximity sensor; a storage part configured to store a characteristic parameter unique to the proximity sensor in advance; a control calculation part configured to process a digital signal from the analog/digital conversion circuit to calculate a signal indicating a distance to the detection object, compensate the calculated signal using the characteristics parameter stored in the storage part, and output the compensated signal as the detection result.Type: GrantFiled: February 8, 2018Date of Patent: August 18, 2020Assignee: OMRON CorporationInventors: Ryota Hasegawa, Hiroyuki Tsuchida, Kazuaki Miyamoto, Yusuke Hayashi, Kenji Matsuoka
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Patent number: 10704928Abstract: A proximity sensor and a method of changing a detection distance are provided to suppress changes in a consumption current of an oscillation circuit. The proximity sensor includes an oscillation circuit having an oscillation amplitude that changes with a feedback current, a comparing part comparing the oscillation amplitude with a threshold, a detecting part detecting a target object based on a comparison result of the comparing part, a voltage value signal generating part generating a voltage value signal based on the feedback current and the detection distance, a threshold setting part setting an analog signal converted from the voltage value signal as the threshold, a current value signal generating part generating a current value signal based on the detection distance and the voltage value signal, and a current value setting part setting an analog signal converted from the current value signal as a current value of the feedback current.Type: GrantFiled: October 16, 2018Date of Patent: July 7, 2020Assignee: OMRON CorporationInventors: Kazuaki Miyamoto, Ryota Hasegawa, Hiroyuki Tsuchida
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Patent number: 10508930Abstract: A method of manufacturing a proximity sensor and a manufacturing system for the proximity sensor capable of improving detection precision or expanding a detectable range are provided. A method of manufacturing a proximity sensor outputting presence or absence of a detection object or a position of the detection object as a detection result is provided. The manufacturing method includes: disposing the proximity sensor in a temperature-changeable environment; setting an environment of the proximity sensor to a plurality of different temperatures respectively and storing temperature detected by the temperature detection part of the proximity sensor in association with the detection result output by the control calculation part at each temperature; determining a characteristic parameter unique to a target proximity sensor based on the stored temperature and detection result; and setting the determined characteristic parameter for the target proximity sensor.Type: GrantFiled: February 13, 2018Date of Patent: December 17, 2019Assignee: OMRON CorporationInventors: Ryota Hasegawa, Hiroyuki Tsuchida, Kazuaki Miyamoto, Yusuke Hayashi, Kenji Matsuoka
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Patent number: 10425072Abstract: An output circuit outputs communication signals and communicates with an external device ED, and includes: a PNP first transistor, which is capable of outputting a collector current as the communication signals; and a first current source, which is capable of changing a base current of the first transistor, and which reduces the base current to a predetermined current value after the first transistor is turned on and before the first transistor is turned off.Type: GrantFiled: October 16, 2018Date of Patent: September 24, 2019Assignee: OMRON CorporationInventors: Kazuaki Miyamoto, Ryota Hasegawa, Hiroyuki Tsuchida
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Publication number: 20190257974Abstract: A proximity sensor capable of reducing the influence of periodic noise is provided. A proximity sensor according to an embodiment of the disclosure detects a detection object using a magnetic field, and includes a detection coil for generating the magnetic field, an excitation circuit for repeatedly supplying a pulsed excitation current to the detection coil, a detection circuit for detecting the detection object based on a voltage generated across both ends of the detection coil during a predetermined period after the supply of the excitation current is cut off, and a control circuit for controlling the excitation circuit so that a timing of cutting off the supply of the excitation current to the detection coil becomes aperiodic.Type: ApplicationFiled: November 13, 2018Publication date: August 22, 2019Applicant: OMRON CorporationInventors: Takuya OKAMOTO, Yusuke NAKAYAMA, Hiroyuki TSUCHIDA
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Publication number: 20190234765Abstract: A proximity sensor and a method of changing a detection distance are provided to suppress changes in a consumption current of an oscillation circuit. The proximity sensor includes an oscillation circuit having an oscillation amplitude that changes with a feedback current, a comparing part comparing the oscillation amplitude with a threshold, a detecting part detecting a target object based on a comparison result of the comparing part, a voltage value signal generating part generating a voltage value signal based on the feedback current and the detection distance, a threshold setting part setting an analog signal converted from the voltage value signal as the threshold, a current value signal generating part generating a current value signal based on the detection distance and the voltage value signal, and a current value setting part setting an analog signal converted from the current value signal as a current value of the feedback current.Type: ApplicationFiled: October 16, 2018Publication date: August 1, 2019Applicant: OMRON CorporationInventors: Kazuaki MIYAMOTO, Ryota HASEGAWA, Hiroyuki TSUCHIDA
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Publication number: 20190214978Abstract: An output circuit outputs communication signals and communicates with an external device ED, and includes: a PNP first transistor, which is capable of outputting a collector current as the communication signals; and a first current source, which is capable of changing a base current of the first transistor, and which reduces the base current to a predetermined current value after the first transistor is turned on and before the first transistor is turned offType: ApplicationFiled: October 16, 2018Publication date: July 11, 2019Applicant: OMRON CorporationInventors: Kazuaki MIYAMOTO, Ryota HASEGAWA, Hiroyuki TSUCHIDA
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Publication number: 20190094404Abstract: A proximity sensor that outputs presence or absence of a detection object or a position of the detection object as a detection result includes: a detection part configured to include a detection coil and a capacitor; an oscillation circuit configured to excite the detection part; an analog/digital conversion circuit configured to detect a signal change occurring in the detection part and output a digital signal indicating the detected signal change; a temperature detection part configured to detect a temperature inside a casing of the proximity sensor; a storage part configured to store a characteristic parameter unique to the proximity sensor in advance; a control calculation part configured to process a digital signal from the analog/digital conversion circuit to calculate a signal indicating a distance to the detection object, compensate the calculated signal using the characteristics parameter stored in the storage part, and output the compensated signal as the detection result.Type: ApplicationFiled: February 8, 2018Publication date: March 28, 2019Applicant: OMRON CorporationInventors: Ryota HASEGAWA, Hiroyuki TSUCHIDA, Kazuaki MIYAMOTO, Yusuke HAYASHI, Kenji MATSUOKA
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Publication number: 20190094046Abstract: A method of manufacturing a proximity sensor and a manufacturing system for the proximity sensor capable of improving detection precision or expanding a detectable range are provided. A method of manufacturing a proximity sensor outputting presence or absence of a detection object or a position of the detection object as a detection result is provided. The manufacturing method includes: disposing the proximity sensor in a temperature-changeable environment; setting an environment of the proximity sensor to a plurality of different temperatures respectively and storing temperature detected by the temperature detection part of the proximity sensor in association with the detection result output by the control calculation part at each temperature; determining a characteristic parameter unique to a target proximity sensor based on the stored temperature and detection result; and setting the determined characteristic parameter for the target proximity sensor.Type: ApplicationFiled: February 13, 2018Publication date: March 28, 2019Applicant: OMRON CorporationInventors: Ryota HASEGAWA, Hiroyuki TSUCHIDA, Kazuaki MIYAMOTO, Yusuke HAYASHI, Kenji MATSUOKA
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Publication number: 20180348022Abstract: The sensor adaptor includes a case body of which a front end is closed and a rear end is open, a cap body being engageable with the rear end of the case body, a seal member interposed between the case body and the cap body, and a fixing portion configured to fix the case body to the mounting portion. A part of the sensor is inserted into an accommodation space of the case body, and the remaining portion of the sensor is drawn out to the outside via an opening of the cap body. The seal member is disposed on a rear end side of the case body to surround the sensor. The seal member is brought into close contact with the case body and the sensor. Accordingly, a gap between the part of the sensor and the case body is sealed from an external space by the seal member.Type: ApplicationFiled: February 8, 2018Publication date: December 6, 2018Applicant: OMRON CorporationInventors: Yuki USHIRO, Hiroto KATSURA, Makoto IWAI, Hiroyuki TSUCHIDA, Yusuke NAKAYAMA
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Patent number: 10129132Abstract: An IO-Link master includes: an IO-Link communication port that communicates with an IO-Link device according to a predetermined communication protocol; a digital input port that receives a first signal value output from the IO-Link device; and a determiner that determines whether abnormality is generated in a digital input line connecting the digital input port to the IO-Link device based on a second signal value received with the IO-Link communication port and the first signal value.Type: GrantFiled: April 20, 2017Date of Patent: November 13, 2018Assignee: OMRON CorporationInventors: Toshiyuki Ozaki, Hiroyuki Tsuchida, Koyo Ozaki, Ryosuke Tsuzuki, Ryota Hasegawa, Shoichi Ohnaka
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Patent number: 10120095Abstract: The present invention provides a proximity switch, which can detect whether a detected object containing multiple metals exists in a specific range. The induction type proximity switch includes: an oscillation switch of which the amplitude is attenuated due to the proximity of the detected object containing metal, so as to detect the excessive proximity of the detected object; a detection circuit for detecting the amplitude of a high frequency generated by the oscillation of the oscillation circuit; an operation and comparison part for comparing the detected amplitude of the high frequency with the threshold set for the amplitude, i.e., a boundary as the excessive proximity, and outputting a detection signal of the excessive proximity when the detected amplitude is under the threshold; and a threshold setting part, for selecting a threshold corresponding to a designated metal type according to the designation on the metal type from the outside.Type: GrantFiled: December 16, 2016Date of Patent: November 6, 2018Assignee: OMRON CorporationInventors: Yusuke Nakayama, Hiroyuki Tsuchida, Ryota Hasegawa, Takuya Okamoto
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Patent number: 10082590Abstract: The present invention provides a proximity switch, which can detect whether a detected object containing multiple metals exists in a specific range. The induction type proximity switch includes: an oscillation switch of which the amplitude is attenuated due to the proximity of the detected object containing metal, so as to detect the excessive proximity of the detected object; a detection circuit for detecting the amplitude of a high frequency generated by the oscillation of the oscillation circuit; an operation and comparison part for comparing the detected amplitude of the high frequency with the threshold set for the amplitude, i.e., a boundary as the excessive proximity, and outputting a detection signal of the excessive proximity when the detected amplitude is under the threshold; and a threshold setting part, for selecting a threshold corresponding to a designated metal type according to the designation on the metal type from the outside.Type: GrantFiled: December 16, 2016Date of Patent: September 25, 2018Assignee: OMRON CorporationInventors: Yusuke Nakayama, Hiroyuki Tsuchida, Ryota Hasegawa, Takuya Okamoto
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Patent number: 10042071Abstract: The present invention provides a proximity switch, which can detect whether a detected object containing multiple metals exists in a specific range. The induction type proximity switch includes: an oscillation switch of which the amplitude is attenuated due to the proximity of the detected object containing metal, so as to detect the excessive proximity of the detected object; a detection circuit for detecting the amplitude of a high frequency generated by the oscillation of the oscillation circuit; an operation and comparison part for comparing the detected amplitude of the high frequency with the threshold set for the amplitude, i.e., a boundary as the excessive proximity, and outputting a detection signal of the excessive proximity when the detected amplitude is under the threshold; and a threshold setting part, for selecting a threshold corresponding to a designated metal type according to the designation on the metal type from the outside.Type: GrantFiled: December 16, 2016Date of Patent: August 7, 2018Assignee: OMRON CorporationInventors: Yusuke Nakayama, Hiroyuki Tsuchida, Ryota Hasegawa, Takuya Okamoto
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Publication number: 20170317916Abstract: An IO-Link master includes: an IO-Link communication port that communicates with an IO-Link device according to a predetermined communication protocol; a digital input port that receives a first signal value output from the IO-Link device; and a determiner that determines whether abnormality is generated in a digital input line connecting the digital input port to the IO-Link device based on a second signal value received with the IO-Link communication port and the first signal value.Type: ApplicationFiled: April 20, 2017Publication date: November 2, 2017Applicant: OMRON CorporationInventors: Toshiyuki OZAKI, Hiroyuki TSUCHIDA, Koyo OZAKI, Ryosuke TSUZUKI, Ryota HASEGAWA, Shoichi OHNAKA
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Publication number: 20170212265Abstract: The present invention provides a proximity switch, which can detect whether a detected object containing multiple metals exists in a specific range. The induction type proximity switch includes: an oscillation switch of which the amplitude is attenuated due to the proximity of the detected object containing metal, so as to detect the excessive proximity of the detected object; a detection circuit for detecting the amplitude of a high frequency generated by the oscillation of the oscillation circuit; an operation and comparison part for comparing the detected amplitude of the high frequency with the threshold set for the amplitude, i.e., a boundary as the excessive proximity, and outputting a detection signal of the excessive proximity when the detected amplitude is under the threshold; and a threshold setting part, for selecting a threshold corresponding to a designated metal type according to the designation on the metal type from the outside.Type: ApplicationFiled: December 16, 2016Publication date: July 27, 2017Applicant: OMRON CorporationInventors: Yusuke NAKAYAMA, Hiroyuki TSUCHIDA, Ryota HASEGAWA, Takuya OKAMOTO
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Patent number: 9389722Abstract: A method is disclosed of controlling a user interface device for displaying on a display screen a plurality of objects, and for enabling a user to perform an input action by touching the display screen with the user's finger. This method includes: upon the user's touch to the display screen at a region of one of the plurality of objects being displayed, selecting the one object as a zoom target; upon an event occurring in which an intensity of the finger's touch on the display screen exceeds a predetermined threshold, determining a magnification ratio of the zoom target or a change rate of the magnification ratio, based on the intensity of the finger's touch; and zooming in the zoom target on the display screen with the determined magnification ratio or the determined change rate.Type: GrantFiled: September 5, 2012Date of Patent: July 12, 2016Assignee: KDDI CORPORATIONInventors: Tomoaki Matsuki, Hiroyuki Tsuchida, Yoshisato Ono
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Publication number: 20140300569Abstract: A method is disclosed of controlling a user interface device for displaying on a display screen a plurality of objects, and for enabling a user to perform an input action by touching the display screen with the user's finger. This method includes: upon the user's touch to the display screen at a region of one of the plurality of objects being displayed, selecting the one object as a zoom target; upon an event occurring in which an intensity of the finger's touch on the display screen exceeds a predetermined threshold, determining a magnification ratio of the zoom target or a change rate of the magnification ratio, based on the intensity of the finger's touch; and zooming in the zoom target on the display screen with the determined magnification ratio or the determined change rate.Type: ApplicationFiled: September 5, 2012Publication date: October 9, 2014Applicant: KDDI CORPORATIONInventors: Tomoaki Matsuki, Hiroyuki Tsuchida, Yoshisato Ono