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公开(公告)号:US11211916B2
公开(公告)日:2021-12-28
申请号:US15814481
申请日:2017-11-16
Applicant: Yokogawa Electric Corporation
Inventor: Takashi Yoshida , Yusaku Yoshida , Makoto Noro , Atsushi Yumoto , Shuhei Yoshita
Abstract: A resonant transducer includes a resonant beam which is formed on a semiconductor substrate, a support beam of which one end is connected to a part of the resonant beam at a predetermined angle, a first electrode which is connected to the resonant beam via the support beam, a second electrode which is disposed adjacent to a center of one side surface of the resonant beam, and a conductor which is disposed between the support beam and the second electrode, the conductor being connected to the first electrode.
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公开(公告)号:US20210215526A1
公开(公告)日:2021-07-15
申请号:US17139416
申请日:2020-12-31
Applicant: YOKOGAWA ELECTRIC CORPORATION
Inventor: Takashi Arai , Yusaku Yoshida , Tomoyuki Takahashi
IPC: G01F23/18
Abstract: A level indicator with a cover that measures a water level, includes: a water level indicator that measures pressure; and a protective cover that surrounds the water level indicator. The protective cover includes a pressure transmitter that transmits pressure on an outside of the protective cover to an inside of the protective cover.
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公开(公告)号:US11493376B2
公开(公告)日:2022-11-08
申请号:US17139416
申请日:2020-12-31
Applicant: YOKOGAWA ELECTRIC CORPORATION
Inventor: Takashi Arai , Yusaku Yoshida , Tomoyuki Takahashi
Abstract: A level indicator with a cover that measures a water level, includes: a water level indicator that measures pressure; and a protective cover that surrounds the water level indicator. The protective cover includes a pressure transmitter that transmits pressure on an outside of the protective cover to an inside of the protective cover.
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公开(公告)号:US11330350B2
公开(公告)日:2022-05-10
申请号:US15897417
申请日:2018-02-15
Applicant: Yokogawa Electric Corporation
Inventor: Takashi Arai , Yusaku Yoshida , Shuichi Sato , Ikuhiko Ishikawa
IPC: H04Q9/00 , G01D1/18 , G01D9/00 , G05B19/042
Abstract: A field device according to one aspect of the present invention includes a plurality of types of sensors, at least one converter configured to acquire measured results of the plurality of types of sensors and to convert the measured results into measured information, the measured information being a physical quantity, and an information providing device configured to acquire and store the measured information from the at least one converter and to provide the stored measured information to an outside of the field device in a case that a predetermined condition is satisfied.
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公开(公告)号:US20200036793A1
公开(公告)日:2020-01-30
申请号:US16505961
申请日:2019-07-09
Applicant: Yokogawa Electric Corporation
Inventor: Takashi Arai , Yusaku Yoshida , Shuichi Sato , Hiroo Urabe
Abstract: A communication device includes a signal acquirer, a controller, and a wireless communicator. The signal acquirer has terminals for a plurality of types of interfaces for acquiring signals from an external field device. The controller acquires the signals output from the signal acquirer and performs control for externally transmitting digital data based on the signals using wireless communication. The wireless communicator externally transmits the digital data in accordance with a wireless communication scheme based on the control performed by the controller.
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公开(公告)号:US20200019138A1
公开(公告)日:2020-01-16
申请号:US16506568
申请日:2019-07-09
Applicant: YOKOGAWA ELECTRIC CORPORATION
Inventor: Takashi Arai , Yusaku Yoshida , Shuichi Sato , Hiroo Urabe
IPC: G05B19/406 , H04Q9/00
Abstract: A field instrument includes: a plurality of sensors; a converter that acquires measurement results of the sensors and converts the measurement results into measurement information. The measurement information is physical quantities; and a processor that outputs, to a control target instrument connected to the field instrument, a control instruction that controls the control target instrument based on the measurement information.
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公开(公告)号:US20200012448A1
公开(公告)日:2020-01-09
申请号:US16502130
申请日:2019-07-03
Applicant: Yokogawa Electric Corporation
Inventor: Takashi Arai , Yusaku Yoshida , Shuichi Sato , Hiroo Urabe
Abstract: A data collection system including a device having a communication function and a data collection apparatus configured to collect data transmitted from the device. The data collection apparatus includes a receiver configured to receive data transmitted from the device, a data analyzer configured to acquire analyzed data by analyzing the received data according to analysis data format different for each device, a first data storage which is a non-rewritable storage, a second data storage which is storage that can be accessed faster than the first data storage and that stores a smaller amount of data than the first data storage, a data writer configured to writes and stores the data received by the receiver to the first data storage, and writes and stores the analyzed data acquired by the data analyzer to the second data storage.
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公开(公告)号:US10063217B2
公开(公告)日:2018-08-28
申请号:US14717046
申请日:2015-05-20
Applicant: YOKOGAWA ELECTRIC CORPORATION
Inventor: Daisuke Hatori , Takashi Yoshida , Tadahiko Takayama , Yusaku Yoshida
IPC: H03K3/01 , H02J4/00 , G01C19/5776 , H03B5/30
CPC classification number: H03K3/01 , G01C19/5776 , H02J4/00 , H03B5/30 , Y10T307/658
Abstract: A current-to-voltage conversion circuit according to one aspect of the present invention includes a first resistor, a first current source, a first capacitor, a first output terminal, a first voltage source, a first transistor, and a second resistor. The first resistor includes a first end and a second end. The first end of the first resistor is connectable to an electrode included in a sensor and the second end of the first resistor is connected to a first electrical potential. The first capacitor includes a first end and a second end. The first end of the first capacitor is connected to the first end of the first resistor and the second end of the first capacitor is connected to the first current source. The first transistor includes a first terminal, a second terminal, and a control terminal. The first terminal is connected to the second end of the first capacitor, the second terminal is connected to the first output terminal, and the control terminal is connected to the first voltage source. The second resistor includes a first end connected to the second terminal and a second end connected to a second electrical potential.
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