JP2016528854A - センサ制御回路及び電子装置 - Google Patents
センサ制御回路及び電子装置 Download PDFInfo
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- JP2016528854A JP2016528854A JP2016537125A JP2016537125A JP2016528854A JP 2016528854 A JP2016528854 A JP 2016528854A JP 2016537125 A JP2016537125 A JP 2016537125A JP 2016537125 A JP2016537125 A JP 2016537125A JP 2016528854 A JP2016528854 A JP 2016528854A
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- JPKJQBJPBRLVTM-OSLIGDBKSA-N (2s)-2-amino-n-[(2s,3r)-3-hydroxy-1-[[(2s)-1-[[(2s)-1-[[(2s)-1-[[(2r)-1-(1h-indol-3-yl)-3-oxopropan-2-yl]amino]-1-oxo-3-phenylpropan-2-yl]amino]-1-oxo-3-phenylpropan-2-yl]amino]-1-oxo-3-phenylpropan-2-yl]amino]-1-oxobutan-2-yl]-6-iminohexanamide Chemical compound C([C@H](NC(=O)[C@@H](NC(=O)[C@@H](N)CCCC=N)[C@H](O)C)C(=O)N[C@@H](CC=1C=CC=CC=1)C(=O)N[C@@H](CC=1C=CC=CC=1)C(=O)N[C@H](CC=1C2=CC=CC=C2NC=1)C=O)C1=CC=CC=C1 JPKJQBJPBRLVTM-OSLIGDBKSA-N 0.000 description 2
- 102100031277 Calcineurin B homologous protein 1 Human genes 0.000 description 2
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- 101000777252 Homo sapiens Calcineurin B homologous protein 1 Proteins 0.000 description 2
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- 102100031272 Calcineurin B homologous protein 2 Human genes 0.000 description 1
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- 238000007599 discharging Methods 0.000 description 1
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/005—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements using switched capacitors, e.g. dynamic amplifiers; using switched capacitors as resistors in differential amplifiers
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/38—Dc amplifiers with modulator at input and demodulator at output; Modulators or demodulators specially adapted for use in such amplifiers
- H03F3/387—Dc amplifiers with modulator at input and demodulator at output; Modulators or demodulators specially adapted for use in such amplifiers with semiconductor devices only
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P15/00—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration
- G01P15/02—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses
- G01P15/08—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values
- G01P15/0802—Details
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P15/00—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration
- G01P15/02—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses
- G01P15/08—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values
- G01P15/12—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values by alteration of electrical resistance
- G01P15/123—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values by alteration of electrical resistance by piezo-resistive elements, e.g. semiconductor strain gauges
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/45—Differential amplifiers
- H03F3/45071—Differential amplifiers with semiconductor devices only
- H03F3/45076—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier
- H03F3/45475—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier using IC blocks as the active amplifying circuit
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G1/00—Details of arrangements for controlling amplification
- H03G1/0005—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal
- H03G1/0088—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using discontinuously variable devices, e.g. switch-operated
- H03G1/0094—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using discontinuously variable devices, e.g. switch-operated using switched capacitors
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
- H03H7/01—Frequency selective two-port networks
- H03H7/075—Ladder networks, e.g. electric wave filters
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/165—A filter circuit coupled to the input of an amplifier
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/261—Amplifier which being suitable for instrumentation applications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/264—An operational amplifier based integrator or transistor based integrator being used in an amplifying circuit
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
- H03F2203/45—Indexing scheme relating to differential amplifiers
- H03F2203/45138—Two or more differential amplifiers in IC-block form are combined, e.g. measuring amplifiers
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
- H03F2203/45—Indexing scheme relating to differential amplifiers
- H03F2203/45514—Indexing scheme relating to differential amplifiers the FBC comprising one or more switched capacitors, and being coupled between the LC and the IC
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Amplifiers (AREA)
Abstract
Description
202 フィルタ回路
203 バッファ回路
204 増幅器回路
Claims (10)
- センサ制御回路であって、
センサと、
フィルタ回路と、
バッファ回路と、
増幅器回路と、を備え、
前記センサの出力端は、前記フィルタ回路の入力端に接続され、前記フィルタ回路の出力端は、前記バッファ回路の入力端に接続され、前記バッファ回路の出力端は、前記増幅器回路の入力端に接続される、
ことを特徴とするセンサ制御回路。 - 前記センサ及び前記フィルタ回路を間欠的に作動するように制御するよう構成されたパルス変調スイッチをさらに備える、請求項1に記載のセンサ制御回路。
- 前記フィルタ回路は、アンチエイリアシング低周波フィルタである、請求項1に記載のセンサ制御回路。
- 前記バッファ回路は、オフセット補償付き差動バッファ回路であり、前記バッファ回路は、第1の増幅器及び第2の増幅器を備え、前記第1の増幅器と前記第2の増幅器はそれぞれ負帰還の形で接続されている、請求項1に記載のセンサ制御回路。
- 前記第1の増幅器の負の入力端と出力端との間に接続された第1の静電容量と、前記第2の増幅器の負の入力端と出力端との間に接続された第2の静電容量とをさらに備え、前記第1の静電容量及び前記第2の静電容量は、オートゼロ構造を形成する、請求項4に記載のセンサ制御回路。
- 前記バッファ回路は、高入力インピーダンス及び低出力インピーダンスを有する、請求項1に記載のセンサ制御回路。
- 前記増幅器回路は、利得制御式スイッチドキャパシタ積分器回路である、請求項1に記載のセンサ制御回路。
- 前記スイッチドキャパシタ積分器回路は、主増幅器、前記スイッチドキャパシタ積分器回路の入力端と前記主増幅器の入力端との間に接続されたチョッパー回路、及び/又は前記主増幅器の入力端と前記主増幅器の出力端との間に接続されたサンプリング容量を含み、前記チョッパー回路は、低周波ノイズと、前記主増幅器の前記入力端の入力オフセット電圧とを低減するように構成され、前記サンプリング容量は、前記主増幅器の前記入力端の前記入力オフセット電圧を低減するオートゼロ構造を形成する、請求項7に記載のセンサ制御回路。
- 前記センサは、加速度センサである、請求項1に記載のセンサ制御回路。
- 請求項1から請求項9のいずれか1項に記載のセンサ制御回路を備えることを特徴とする電子装置。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201310647877.5 | 2013-12-04 | ||
CN201310647877.5A CN104698871B (zh) | 2013-12-04 | 2013-12-04 | 一种传感器控制电路和电子装置 |
PCT/CN2014/092723 WO2015081828A1 (zh) | 2013-12-04 | 2014-12-01 | 传感器控制电路和电子装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2016528854A true JP2016528854A (ja) | 2016-09-15 |
JP6273018B2 JP6273018B2 (ja) | 2018-01-31 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2016537125A Active JP6273018B2 (ja) | 2013-12-04 | 2014-12-01 | センサ制御回路及び電子装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US10056867B2 (ja) |
EP (1) | EP3079133B1 (ja) |
JP (1) | JP6273018B2 (ja) |
CN (1) | CN104698871B (ja) |
WO (1) | WO2015081828A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2018517328A (ja) * | 2015-04-10 | 2018-06-28 | 無錫華潤上華科技有限公司 | 信号増幅回路 |
WO2021038390A1 (ja) * | 2019-08-29 | 2021-03-04 | 株式会社半導体エネルギー研究所 | 半導体装置、及びその動作方法 |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106403920B (zh) | 2015-07-28 | 2019-02-22 | 无锡华润上华科技有限公司 | 加速度器 |
JP6581443B2 (ja) * | 2015-09-04 | 2019-09-25 | 日立オートモティブシステムズ株式会社 | センサ装置 |
CN107314767B (zh) * | 2017-05-16 | 2020-04-07 | 泉州味盛食品有限公司 | 一种用于运动检测的三轴加速度数据的均值滤波装置 |
DE112019006320T5 (de) | 2018-12-21 | 2021-10-14 | Ams Ag | Sensor-anordnung und verfahren zur dunkelzählungsauslöschung |
WO2021033774A1 (en) * | 2019-08-21 | 2021-02-25 | Sharp Kabushiki Kaisha | Systems and methods for signaling buffering period information in video coding |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5896203U (ja) * | 1981-12-23 | 1983-06-30 | 株式会社クリエテツク | ストレンゲ−ジ用増巾器 |
JPS6469111A (en) * | 1987-09-10 | 1989-03-15 | Nec Corp | Automatic variable resistor circuit |
JPH0851328A (ja) * | 1994-08-08 | 1996-02-20 | Takumi Konishi | 小信号増幅回路 |
JP2001326545A (ja) * | 2000-05-17 | 2001-11-22 | Mitsubishi Electric Corp | アナログ出力回路 |
US20070152509A1 (en) * | 2005-12-20 | 2007-07-05 | Mettler-Toledo Ag | Method of correcting the output signal of an analog amplifier, amplifier module and measuring device |
JP2007208427A (ja) * | 2006-01-31 | 2007-08-16 | Hitachi Ltd | センサモジュールオフセットキャンセル回路 |
JP2008067050A (ja) * | 2006-09-07 | 2008-03-21 | Handotai Rikougaku Kenkyu Center:Kk | 帰還型増幅回路 |
JP2012049599A (ja) * | 2010-08-24 | 2012-03-08 | Seiko Epson Corp | スイッチドキャパシター回路、検出装置及び電子機器 |
Family Cites Families (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3288160A (en) * | 1964-04-01 | 1966-11-29 | Gen Electric | Acceleration limiting long range speed control |
JPS58121809A (ja) * | 1982-01-14 | 1983-07-20 | Toshiba Corp | 増幅回路 |
WO1996037951A1 (en) * | 1995-05-23 | 1996-11-28 | Analog Devices, Inc. | Switched capacitor offset suppression |
GB0008365D0 (en) * | 2000-04-06 | 2000-05-24 | British Aerospace | Control syste for a vibrating structure gyroscope |
US6734723B2 (en) * | 2002-04-05 | 2004-05-11 | Maxim Integrated Products, Inc. | Chopper chopper-stabilized operational amplifiers and methods |
WO2004076340A1 (en) * | 2003-02-28 | 2004-09-10 | Bae Systems Plc | An accelerometer |
US7243545B2 (en) * | 2003-03-20 | 2007-07-17 | Denso Corporation | Physical quantity sensor having spring |
US7267006B2 (en) * | 2004-02-27 | 2007-09-11 | Bae Systems Plc | Accelerometer |
CN2733325Y (zh) | 2004-09-16 | 2005-10-12 | 廊坊开发区大地工程检测技术开发有限公司 | 悬挂式波速测井仪 |
JP4534741B2 (ja) * | 2004-12-10 | 2010-09-01 | 株式会社デンソー | ジャイロセンサ |
CN1921297A (zh) * | 2005-08-25 | 2007-02-28 | 上海大缔微电子有限公司 | 集成多路增益比较控制放大电路 |
US8200317B2 (en) | 2006-06-30 | 2012-06-12 | Intel Corporation | Method and apparatus for amplifying multiple signals using a single multiplexed amplifier channel with software controlled AC response |
CN101568805B (zh) * | 2006-09-28 | 2011-05-04 | 麦德托尼克公司 | 低功率传感器系统的电容接口电路 |
JP2008145269A (ja) * | 2006-12-11 | 2008-06-26 | Denso Corp | センサ装置 |
US8335065B2 (en) * | 2007-04-30 | 2012-12-18 | Hewlett-Packard Development Company, L.P. | Overvoltage protection in a power supply |
JP2009097932A (ja) * | 2007-10-15 | 2009-05-07 | Freescale Semiconductor Inc | 容量型検出装置 |
CN101281220B (zh) * | 2008-01-02 | 2010-09-29 | 清华大学 | 电容检测电路及其电容式传感器接口电路芯片 |
CN201142110Y (zh) | 2008-01-11 | 2008-10-29 | 成都信控科创电子有限公司 | 铁磁体的静、动态监测报警装置 |
US9201091B2 (en) * | 2009-04-14 | 2015-12-01 | Atlantic Inertial Systems Limited | Accelerometer control systems |
CN101551420B (zh) * | 2009-05-08 | 2010-12-08 | 北京航空航天大学 | 一种mems器件微弱电容检测电路 |
CN102213603B (zh) * | 2011-04-13 | 2013-10-16 | 北京航空航天大学 | 一种基于单片机的低频微弱信号检测仪 |
JP5896203B2 (ja) | 2011-07-22 | 2016-03-30 | 富士ゼロックス株式会社 | 画像処理装置、画像形成装置およびプログラム |
-
2013
- 2013-12-04 CN CN201310647877.5A patent/CN104698871B/zh active Active
-
2014
- 2014-12-01 EP EP14868241.2A patent/EP3079133B1/en active Active
- 2014-12-01 WO PCT/CN2014/092723 patent/WO2015081828A1/zh active Application Filing
- 2014-12-01 JP JP2016537125A patent/JP6273018B2/ja active Active
- 2014-12-01 US US15/022,674 patent/US10056867B2/en active Active
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5896203U (ja) * | 1981-12-23 | 1983-06-30 | 株式会社クリエテツク | ストレンゲ−ジ用増巾器 |
JPS6469111A (en) * | 1987-09-10 | 1989-03-15 | Nec Corp | Automatic variable resistor circuit |
JPH0851328A (ja) * | 1994-08-08 | 1996-02-20 | Takumi Konishi | 小信号増幅回路 |
JP2001326545A (ja) * | 2000-05-17 | 2001-11-22 | Mitsubishi Electric Corp | アナログ出力回路 |
US20070152509A1 (en) * | 2005-12-20 | 2007-07-05 | Mettler-Toledo Ag | Method of correcting the output signal of an analog amplifier, amplifier module and measuring device |
JP2007208427A (ja) * | 2006-01-31 | 2007-08-16 | Hitachi Ltd | センサモジュールオフセットキャンセル回路 |
JP2008067050A (ja) * | 2006-09-07 | 2008-03-21 | Handotai Rikougaku Kenkyu Center:Kk | 帰還型増幅回路 |
JP2012049599A (ja) * | 2010-08-24 | 2012-03-08 | Seiko Epson Corp | スイッチドキャパシター回路、検出装置及び電子機器 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2018517328A (ja) * | 2015-04-10 | 2018-06-28 | 無錫華潤上華科技有限公司 | 信号増幅回路 |
WO2021038390A1 (ja) * | 2019-08-29 | 2021-03-04 | 株式会社半導体エネルギー研究所 | 半導体装置、及びその動作方法 |
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US20160233840A1 (en) | 2016-08-11 |
US10056867B2 (en) | 2018-08-21 |
WO2015081828A1 (zh) | 2015-06-11 |
EP3079133B1 (en) | 2018-10-17 |
JP6273018B2 (ja) | 2018-01-31 |
EP3079133A1 (en) | 2016-10-12 |
CN104698871B (zh) | 2017-12-19 |
CN104698871A (zh) | 2015-06-10 |
EP3079133A4 (en) | 2017-04-26 |
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