CN104006844B - 用于搜索机动车辆的电容式传感器的电容变化的方法 - Google Patents
用于搜索机动车辆的电容式传感器的电容变化的方法 Download PDFInfo
- Publication number
- CN104006844B CN104006844B CN201410063703.9A CN201410063703A CN104006844B CN 104006844 B CN104006844 B CN 104006844B CN 201410063703 A CN201410063703 A CN 201410063703A CN 104006844 B CN104006844 B CN 104006844B
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- China
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- detection criteria
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- electric capacity
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R35/00—Testing or calibrating of apparatus covered by the other groups of this subclass
- G01R35/005—Calibrating; Standards or reference devices, e.g. voltage or resistance standards, "golden" references
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- 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
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
- H03K17/945—Proximity switches
- H03K17/955—Proximity switches using a capacitive detector
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
- H03K17/96—Touch switches
- H03K17/962—Capacitive touch switches
-
- 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
- H03K2217/9401—Calibration techniques
- H03K2217/94026—Automatic threshold calibration; e.g. threshold automatically adapts to ambient conditions or follows variation of input
-
- 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
- H03K2217/960705—Safety of capacitive touch and proximity switches, e.g. increasing reliability, fail-safe
-
- 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
- H03K2217/960715—Rc-timing; e.g. measurement of variation of charge time or discharge time of the sensor
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Resistance Or Impedance (AREA)
Abstract
Description
Claims (8)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1351686A FR3002643B1 (fr) | 2013-02-26 | 2013-02-26 | Procede de recherche de variation electrique d'un capteur capacitif de vehicule automobile |
FR1351686 | 2013-02-26 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN104006844A CN104006844A (zh) | 2014-08-27 |
CN104006844B true CN104006844B (zh) | 2017-10-24 |
Family
ID=48570278
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201410063703.9A Active CN104006844B (zh) | 2013-02-26 | 2014-02-25 | 用于搜索机动车辆的电容式传感器的电容变化的方法 |
Country Status (3)
Country | Link |
---|---|
US (1) | US9279875B2 (zh) |
CN (1) | CN104006844B (zh) |
FR (1) | FR3002643B1 (zh) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6783714B2 (ja) * | 2017-06-29 | 2020-11-11 | 株式会社東海理化電機製作所 | 駆動周期制御装置 |
FR3077449B1 (fr) * | 2018-01-29 | 2021-01-08 | Continental Automotive France | Procede et dispositif de detection de presence a multiples zones de detection pour vehicule automobile |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1216593A (zh) * | 1996-04-27 | 1999-05-12 | 胡夫休尔斯贝克及福尔斯特公司 | 特别是汽车用的锁闭系统 |
CN1579849A (zh) * | 2003-08-08 | 2005-02-16 | 胡夫休尔斯贝克及福尔斯特公司 | 车辆的关闭装置 |
CN1677115A (zh) * | 2004-03-30 | 2005-10-05 | 爱信精机株式会社 | 电容变化检测装置 |
DE102008052370A1 (de) * | 2008-10-20 | 2010-04-22 | Hella Kgaa Hueck & Co. | Verfahren zur Signalerfassung mit Hilfe einer Erfassungsvorrichtung sowie entsprechende Signal-Erfassungsvorrichtung und entsprechendes Fahrzeug |
WO2012107183A1 (de) * | 2011-02-08 | 2012-08-16 | Brose Fahrzeugteile Gmbh & Co. Kg, Hallstadt | Verfahren zum messen einer kapazität |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3931610A (en) * | 1973-11-29 | 1976-01-06 | Teletype Corporation | Capacitive keyswitch sensor and method |
US4820971A (en) * | 1986-05-29 | 1989-04-11 | Ko Wen Hsiung | Precision impedance variation measurement circuit |
US5461321A (en) * | 1993-09-17 | 1995-10-24 | Penberthy, Inc. | Apparatus and method for measuring capacitance from the duration of a charge-discharge charge cycle |
US7952366B2 (en) * | 2007-07-26 | 2011-05-31 | Atmel Corporation | Proximity sensor |
US8872676B2 (en) * | 2011-08-01 | 2014-10-28 | Toyota Motor Engineering & Manufacturing North America, Inc. | Systems and methods for switching |
-
2013
- 2013-02-26 FR FR1351686A patent/FR3002643B1/fr active Active
-
2014
- 2014-02-21 US US14/186,177 patent/US9279875B2/en active Active
- 2014-02-25 CN CN201410063703.9A patent/CN104006844B/zh active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1216593A (zh) * | 1996-04-27 | 1999-05-12 | 胡夫休尔斯贝克及福尔斯特公司 | 特别是汽车用的锁闭系统 |
CN1579849A (zh) * | 2003-08-08 | 2005-02-16 | 胡夫休尔斯贝克及福尔斯特公司 | 车辆的关闭装置 |
CN1677115A (zh) * | 2004-03-30 | 2005-10-05 | 爱信精机株式会社 | 电容变化检测装置 |
DE102008052370A1 (de) * | 2008-10-20 | 2010-04-22 | Hella Kgaa Hueck & Co. | Verfahren zur Signalerfassung mit Hilfe einer Erfassungsvorrichtung sowie entsprechende Signal-Erfassungsvorrichtung und entsprechendes Fahrzeug |
WO2012107183A1 (de) * | 2011-02-08 | 2012-08-16 | Brose Fahrzeugteile Gmbh & Co. Kg, Hallstadt | Verfahren zum messen einer kapazität |
Also Published As
Publication number | Publication date |
---|---|
US9279875B2 (en) | 2016-03-08 |
US20140239975A1 (en) | 2014-08-28 |
CN104006844A (zh) | 2014-08-27 |
FR3002643B1 (fr) | 2015-04-03 |
FR3002643A1 (fr) | 2014-08-29 |
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Effective date of registration: 20221207 Address after: Regensburg, Germany Patentee after: WeiPai Technology Co.,Ltd. Patentee after: CONTINENTAL AUTOMOTIVE GmbH Address before: Toulouse, France Patentee before: CONTINENTAL AUTOMOTIVE FRANCE Patentee before: CONTINENTAL AUTOMOTIVE GmbH |
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Effective date of registration: 20230506 Address after: Regensburg, Germany Patentee after: WeiPai Technology Co.,Ltd. Address before: Regensburg, Germany Patentee before: WeiPai Technology Co.,Ltd. Patentee before: CONTINENTAL AUTOMOTIVE GmbH |
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