DE69405168D1 - Kapazitive Sensorschaltung - Google Patents

Kapazitive Sensorschaltung

Info

Publication number
DE69405168D1
DE69405168D1 DE69405168T DE69405168T DE69405168D1 DE 69405168 D1 DE69405168 D1 DE 69405168D1 DE 69405168 T DE69405168 T DE 69405168T DE 69405168 T DE69405168 T DE 69405168T DE 69405168 D1 DE69405168 D1 DE 69405168D1
Authority
DE
Germany
Prior art keywords
sensor circuit
capacitive sensor
capacitive
circuit
sensor
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 - Fee Related
Application number
DE69405168T
Other languages
English (en)
Other versions
DE69405168T2 (de
Inventor
Boer Jan Reinder De
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.)
Koninklijke Philips NV
Original Assignee
Philips Electronics NV
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
Application filed by Philips Electronics NV filed Critical Philips Electronics NV
Publication of DE69405168D1 publication Critical patent/DE69405168D1/de
Application granted granted Critical
Publication of DE69405168T2 publication Critical patent/DE69405168T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Electronic Switches (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Switches That Are Operated By Magnetic Or Electric Fields (AREA)
  • Geophysics And Detection Of Objects (AREA)
DE69405168T 1993-07-01 1994-06-29 Kapazitive Sensorschaltung Expired - Fee Related DE69405168T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE9300680A BE1007258A3 (nl) 1993-07-01 1993-07-01 Capacitieve sensorschakeling.

Publications (2)

Publication Number Publication Date
DE69405168D1 true DE69405168D1 (de) 1997-10-02
DE69405168T2 DE69405168T2 (de) 1998-02-26

Family

ID=3887150

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69405168T Expired - Fee Related DE69405168T2 (de) 1993-07-01 1994-06-29 Kapazitive Sensorschaltung

Country Status (11)

Country Link
US (1) US5498914A (de)
EP (1) EP0632593B1 (de)
JP (1) JPH0729469A (de)
KR (1) KR950003829A (de)
CN (1) CN1103520A (de)
AU (1) AU6609694A (de)
BE (1) BE1007258A3 (de)
BR (1) BR9402565A (de)
CA (1) CA2126964A1 (de)
DE (1) DE69405168T2 (de)
SG (1) SG44017A1 (de)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5796355A (en) * 1996-05-13 1998-08-18 Zurich Design Laboratories, Inc. Touch switch
US6344959B1 (en) 1998-05-01 2002-02-05 Unitrode Corporation Method for sensing the output voltage of a charge pump circuit without applying a load to the output stage
US6501198B2 (en) 2000-02-17 2002-12-31 Jlg Industries, Inc. Control lever for heavy machinery with near-proximity sensing
US6724198B2 (en) * 2000-12-21 2004-04-20 G. Burnell Hohl Inductive sensory apparatus
SE0402261D0 (sv) * 2004-09-17 2004-09-17 Electrolux Home Prod Corp Capacitive Sensor System
US7089797B2 (en) * 2004-10-18 2006-08-15 Silverbrook Research Pty Ltd Temperature insensitive pressure sensor
DE102005014933A1 (de) 2004-12-17 2006-07-06 Diehl Ako Stiftung & Co. Kg Schaltungsanordnung für einen kapazitiven Berührungsschalter
US8602744B2 (en) * 2005-03-25 2013-12-10 Diversitech Corporation Condensate pump
US8651824B2 (en) * 2005-03-25 2014-02-18 Diversitech Corporation Condensate pump
FR2890800B1 (fr) * 2005-09-09 2007-11-09 Thales Sa Commande rapprochee de convertisseurs d'energie electriques.
US20070156731A1 (en) * 2005-12-23 2007-07-05 Sap Ag Automatic project management application
CN101676052B (zh) * 2008-09-19 2013-10-30 德昌电机(深圳)有限公司 带力度感应装置的电钻
US20110273189A1 (en) * 2010-05-06 2011-11-10 Steve Gerber Sensing apparatus for and associated methods
US8938884B2 (en) 2011-03-18 2015-01-27 Spectrum Brands, Inc. Electric hair grooming appliance including touchscreen
US9182436B1 (en) 2012-01-05 2015-11-10 Sandia Corporation Passive absolute age and temperature history sensor
DE102013201704A1 (de) * 2013-02-01 2014-08-07 Di-Soric Gmbh & Co. Kg Kapazitive Sensoranordnung und kapazitives Messverfahren mit Kompensation parasitärer Kapazitäten
US9291543B1 (en) 2014-06-23 2016-03-22 Sandia Corporation PC board mount corrosion sensitive sensor
CN104329701A (zh) * 2014-11-20 2015-02-04 沈阳工学院 一种燃气炉灶节能控制器
US11121541B2 (en) * 2019-02-27 2021-09-14 Dialog Semiconductor (Uk) Limited Solution to safely protect a boost converter from a short circuit to ground
TWI729541B (zh) * 2019-10-25 2021-06-01 新唐科技股份有限公司 控制電路及操作系統
CN113156342A (zh) * 2021-05-25 2021-07-23 深圳市信锐网科技术有限公司 一种传感器检测电路及主机

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH631582A5 (en) * 1977-12-16 1982-08-13 Inventio Ag Contact-controllable switching device
EP0052685A1 (de) * 1980-11-26 1982-06-02 Starcote Limited Berührungsschaltgerät
US4850386A (en) * 1985-01-02 1989-07-25 Aquametrics, Inc. Soil Moisture monitor
US5367198A (en) * 1990-06-11 1994-11-22 I F M Electronic Gmbh Proximity detector with error-preventing ambient condition compensation
US5145323A (en) * 1990-11-26 1992-09-08 Tecumseh Products Company Liquid level control with capacitive sensors
EP0524708B1 (de) * 1991-10-17 1997-01-02 Koninklijke Philips Electronics N.V. Mit einem kapazitiven Ein/Aus-Schalter ausgerüstetes Gerät zur Körperpflege

Also Published As

Publication number Publication date
JPH0729469A (ja) 1995-01-31
AU6609694A (en) 1995-01-12
DE69405168T2 (de) 1998-02-26
BE1007258A3 (nl) 1995-05-02
US5498914A (en) 1996-03-12
KR950003829A (ko) 1995-02-17
SG44017A1 (en) 1997-11-14
EP0632593B1 (de) 1997-08-27
EP0632593A1 (de) 1995-01-04
CN1103520A (zh) 1995-06-07
BR9402565A (pt) 1995-03-28
CA2126964A1 (en) 1995-01-02

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: KONINKLIJKE PHILIPS ELECTRONICS N.V., EINDHOVEN, N

8339 Ceased/non-payment of the annual fee