DE19681725T1 - Vorrichtung zum Messen der Kapazität einer Platte gegen Erde, wobei die Platte an einen Nebenschlußleiter angeschlosse ist - Google Patents

Vorrichtung zum Messen der Kapazität einer Platte gegen Erde, wobei die Platte an einen Nebenschlußleiter angeschlosse ist

Info

Publication number
DE19681725T1
DE19681725T1 DE1996181725 DE19681725T DE19681725T1 DE 19681725 T1 DE19681725 T1 DE 19681725T1 DE 1996181725 DE1996181725 DE 1996181725 DE 19681725 T DE19681725 T DE 19681725T DE 19681725 T1 DE19681725 T1 DE 19681725T1
Authority
DE
Germany
Prior art keywords
plate
capacitance
measuring
against earth
shunt conductor
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.)
Granted
Application number
DE1996181725
Other languages
English (en)
Other versions
DE19681725B4 (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=24312998&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE19681725(T1) "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 DE19681725T1 publication Critical patent/DE19681725T1/de
Application granted granted Critical
Publication of DE19681725B4 publication Critical patent/DE19681725B4/de
Anticipated expiration legal-status Critical
Revoked legal-status Critical Current

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03CDOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
    • E03C1/00Domestic plumbing installations for fresh water or waste water; Sinks
    • E03C1/02Plumbing installations for fresh water
    • E03C1/05Arrangements of devices on wash-basins, baths, sinks, or the like for remote control of taps
    • E03C1/055Electrical control devices, e.g. with push buttons, control panels or the like
    • E03C1/057Electrical control devices, e.g. with push buttons, control panels or the like touchless, i.e. using sensors
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R27/00Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
    • G01R27/02Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
    • G01R27/26Measuring inductance or capacitance; Measuring quality factor, e.g. by using the resonance method; Measuring loss factor; Measuring dielectric constants ; Measuring impedance or related variables
    • G01R27/2605Measuring capacitance
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R29/00Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
    • G01R29/08Measuring electromagnetic field characteristics
    • G01R29/0864Measuring electromagnetic field characteristics characterised by constructional or functional features
    • G01R29/0878Sensors; antennas; probes; detectors
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03KPULSE TECHNIQUE
    • H03K17/00Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/94Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
    • H03K17/945Proximity switches
    • H03K17/955Proximity switches using a capacitive detector
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03KPULSE TECHNIQUE
    • H03K2217/00Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00
    • H03K2217/94Indexing 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
    • H03K2217/96Touch switches
    • H03K2217/9607Capacitive touch switches
    • H03K2217/96071Capacitive touch switches characterised by the detection principle
    • H03K2217/960725Charge-transfer
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00Fluid handling
    • Y10T137/0318Processes
DE19681725T 1995-12-26 1996-12-23 Verfahren zum Messen der Kapazität einer Platte gegenüber einem Massepotential sowie Vorrichtung zur Durchführung eines solchen Verfahrens Revoked DE19681725B4 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/578,464 US5730165A (en) 1995-12-26 1995-12-26 Time domain capacitive field detector
US08/578,464 1995-12-26
PCT/US1996/020664 WO1997023738A1 (en) 1995-12-26 1996-12-23 Charge transfer capacitance sensor

Publications (2)

Publication Number Publication Date
DE19681725T1 true DE19681725T1 (de) 1998-11-26
DE19681725B4 DE19681725B4 (de) 2007-04-26

Family

ID=24312998

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19681725T Revoked DE19681725B4 (de) 1995-12-26 1996-12-23 Verfahren zum Messen der Kapazität einer Platte gegenüber einem Massepotential sowie Vorrichtung zur Durchführung eines solchen Verfahrens

Country Status (4)

Country Link
US (1) US5730165A (de)
DE (1) DE19681725B4 (de)
GB (1) GB2337124B (de)
WO (1) WO1997023738A1 (de)

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DE19681725B4 (de) 2007-04-26
GB2337124B (en) 2000-07-12

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