DE69920034D1 - Ladungstransfer-Kapazitätsmessschaltung - Google Patents

Ladungstransfer-Kapazitätsmessschaltung

Info

Publication number
DE69920034D1
DE69920034D1 DE69920034T DE69920034T DE69920034D1 DE 69920034 D1 DE69920034 D1 DE 69920034D1 DE 69920034 T DE69920034 T DE 69920034T DE 69920034 T DE69920034 T DE 69920034T DE 69920034 D1 DE69920034 D1 DE 69920034D1
Authority
DE
Germany
Prior art keywords
switching elements
sample capacitor
terminal
closed state
charge transfer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE69920034T
Other languages
English (en)
Other versions
DE69920034T3 (de
DE69920034T2 (de
Inventor
Harald Philipp
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Atmel Technologies UK Ltd
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=10842748&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69920034(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Individual filed Critical Individual
Publication of DE69920034D1 publication Critical patent/DE69920034D1/de
Application granted granted Critical
Publication of DE69920034T2 publication Critical patent/DE69920034T2/de
Publication of DE69920034T3 publication Critical patent/DE69920034T3/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
    • G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
    • G01R27/26—Measuring inductance or capacitance; Measuring quality factor, e.g. by using the resonance method; Measuring loss factor; Measuring dielectric constants ; Measuring impedance or related variables
    • G01R27/2605—Measuring capacitance
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K2217/00—Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00
    • H03K2217/94—Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00 characterised by the way in which the control signal is generated
    • H03K2217/96—Touch switches
    • H03K2217/9607—Capacitive touch switches
    • H03K2217/96071—Capacitive touch switches characterised by the detection principle
    • H03K2217/960725—Charge-transfer

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
DE69920034T 1998-11-20 1999-11-18 Ladungstransfer-Kapazitätsmessschaltung Expired - Lifetime DE69920034T3 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB9825435 1998-11-20
GBGB9825435.2A GB9825435D0 (en) 1998-11-20 1998-11-20 Charge transfer capacitance measurement circuit
PCT/GB1999/003829 WO2000031553A1 (en) 1998-11-20 1999-11-18 Charge transfer capacitance measurement circuit

Publications (3)

Publication Number Publication Date
DE69920034D1 true DE69920034D1 (de) 2004-10-14
DE69920034T2 DE69920034T2 (de) 2005-08-18
DE69920034T3 DE69920034T3 (de) 2011-02-17

Family

ID=10842748

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69920034T Expired - Lifetime DE69920034T3 (de) 1998-11-20 1999-11-18 Ladungstransfer-Kapazitätsmessschaltung

Country Status (6)

Country Link
EP (1) EP1131641B2 (de)
JP (1) JP2002530680A (de)
AT (1) ATE275731T1 (de)
DE (1) DE69920034T3 (de)
GB (1) GB9825435D0 (de)
WO (1) WO2000031553A1 (de)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2829317B1 (fr) * 2001-08-30 2003-10-31 Valeo Electronique Capteur de presence
US7107837B2 (en) 2002-01-22 2006-09-19 Baxter International Inc. Capacitance fluid volume measurement
US7175606B2 (en) 2002-05-24 2007-02-13 Baxter International Inc. Disposable medical fluid unit having rigid frame
US7153286B2 (en) 2002-05-24 2006-12-26 Baxter International Inc. Automated dialysis system
CN100394203C (zh) * 2002-10-11 2008-06-11 中国科学院寒区旱区环境与工程研究所 快电场变化探测仪
DE10339753B4 (de) * 2003-05-17 2005-12-01 Ifm Electronic Gmbh Verfahren zum Messen einer physikalischen Größe und Schaltungsanordnung zur Erfassung der Kapazität bzw. einer Kapazitätsänderung eines kapazitiven Schaltungs- oder Bauelements
KR101098635B1 (ko) 2004-02-13 2011-12-23 큐알쥐 리미티드 정전용량 센서
JP4310695B2 (ja) 2004-03-30 2009-08-12 アイシン精機株式会社 静電容量変化検出装置
US7295190B2 (en) 2004-05-21 2007-11-13 Harald Philipp Touch sensitive control panel
JP4363281B2 (ja) 2004-09-08 2009-11-11 オムロン株式会社 容量計測装置および方法、並びにプログラム
JP4604739B2 (ja) * 2005-01-28 2011-01-05 アイシン精機株式会社 静電容量検出装置
WO2008070054A2 (en) 2006-12-04 2008-06-12 Deka Product Limited Partnership Medical device including a slider assembly
US7616011B2 (en) * 2007-04-05 2009-11-10 Delphi Technologies, Inc. Detection apparatus for a capacitive proximity sensor
US8253425B2 (en) * 2007-05-08 2012-08-28 Synaptics Incorporated Production testing of a capacitive touch sensing device
JP5104150B2 (ja) * 2007-09-14 2012-12-19 オムロン株式会社 検知装置および方法、並びにプログラム
JP5207808B2 (ja) * 2008-04-15 2013-06-12 株式会社ジャパンディスプレイイースト 入力装置、及びそれを備えた表示装置
US9514283B2 (en) 2008-07-09 2016-12-06 Baxter International Inc. Dialysis system having inventory management including online dextrose mixing
US8062513B2 (en) 2008-07-09 2011-11-22 Baxter International Inc. Dialysis system and machine having therapy prescription recall
TWI392876B (zh) * 2008-08-08 2013-04-11 Sony Corp 電容感測器裝置之電容變化測量電路，電容感測器模組，電容感測器裝置之測量電容變化之方法及電子裝置
FR2938344B1 (fr) * 2008-11-07 2010-11-19 Continental Automotive France Dispositif de mesure d'une variation de la capacitance d'une structure capacitive variable
JP5561513B2 (ja) * 2009-06-23 2014-07-30 トヨタ紡織株式会社 静電容量センサ及びそれを用いた車両用近接センサ
CN102221646B (zh) * 2010-03-15 2014-09-24 阿尔卑斯电气株式会社 电容检测装置和电容检测方法
CN101908875B (zh) * 2010-07-23 2012-08-08 中颖电子股份有限公司 电容式触摸按键判键方法
DE102011010620B4 (de) * 2011-02-08 2014-07-17 Brose Fahrzeugteile Gmbh & Co. Kommanditgesellschaft, Hallstadt Verfahren zum Messen einer Kapazität
FR2985017B1 (fr) 2011-12-23 2015-01-02 Continental Automotive France Dispositif de mesure d'une variation d'une capacite a faible consommation et procede associe
LU92212B1 (en) * 2013-06-11 2014-12-12 Iee Sarl Method for converting an analog signal into a digital signal
CN103886281B (zh) * 2014-01-14 2017-08-29 敦泰电子有限公司 电场式指纹识别装置及其状态控制方法和假体识别方法
DE102015008485A1 (de) * 2015-07-01 2017-01-05 Leopold Kostal Gmbh & Co. Kg Verfahren zum Messen eines Kapazitätswertes
CN106990296A (zh) * 2017-05-07 2017-07-28 长沙方星腾电子科技有限公司 一种电容检测电路
JP7035382B2 (ja) * 2017-08-31 2022-03-15 株式会社アイシン 静電容量検出装置
WO2022085108A1 (ja) * 2020-10-21 2022-04-28 コニカミノルタ株式会社 画像形成装置および画像形成ヘッド
CN112485640B (zh) * 2020-11-18 2023-06-27 苏州华兴源创科技股份有限公司 内置电容器的检测方法、装置、检测设备和存储介质

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2087084B (en) * 1980-11-07 1985-04-03 Mestra Ag Measuring capacitance of a circuit element
US5730165A (en) * 1995-12-26 1998-03-24 Philipp; Harald Time domain capacitive field detector

Also Published As

Publication number Publication date
ATE275731T1 (de) 2004-09-15
EP1131641A1 (de) 2001-09-12
EP1131641B2 (de) 2010-09-29
WO2000031553A1 (en) 2000-06-02
EP1131641B1 (de) 2004-09-08
DE69920034T3 (de) 2011-02-17
GB9825435D0 (en) 1999-01-13
DE69920034T2 (de) 2005-08-18
JP2002530680A (ja) 2002-09-17

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Legal Events

Date Code Title Description
8363 Opposition against the patent
8327 Change in the person/name/address of the patent owner

Owner name: QRG LTD., EASTLEIGH, HAMPSHIRE, GB

8366 Restricted maintained after opposition proceedings
8328 Change in the person/name/address of the agent

Representative=s name: GRUENECKER, KINKELDEY, STOCKMAIR & SCHWANHAEUSSER,

R082 Change of representative

Ref document number: 1131641

Country of ref document: EP

Representative=s name: GRUENECKER, KINKELDEY, STOCKMAIR & SCHWANHAEUS, DE