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GB2312514B - Detector - Google Patents

Detector

Info

Publication number
GB2312514B
GB2312514B GB9703169A GB9703169A GB2312514B GB 2312514 B GB2312514 B GB 2312514B GB 9703169 A GB9703169 A GB 9703169A GB 9703169 A GB9703169 A GB 9703169A GB 2312514 B GB2312514 B GB 2312514B
Authority
GB
United Kingdom
Prior art keywords
detector
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
GB9703169A
Other versions
GB2312514A (en
GB9703169D0 (en
Inventor
Thomas William Bach
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.)
SENSATECH Ltd
Original Assignee
SENSATECH Ltd
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 SENSATECH Ltd filed Critical SENSATECH Ltd
Priority to GB9922820A priority Critical patent/GB2340248B/en
Publication of GB9703169D0 publication Critical patent/GB9703169D0/en
Publication of GB2312514A publication Critical patent/GB2312514A/en
Application granted granted Critical
Publication of GB2312514B publication Critical patent/GB2312514B/en
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
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
    • G01B7/28—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring contours or curvatures
    • G01B7/287—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring contours or curvatures using a plurality of fixed, simultaneously operating transducers

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
GB9703169A 1996-02-13 1997-02-13 Detector Expired - Fee Related GB2312514B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9922820A GB2340248B (en) 1996-02-13 1997-02-13 Detector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB9602946.7A GB9602946D0 (en) 1996-02-13 1996-02-13 Profile detector

Publications (3)

Publication Number Publication Date
GB9703169D0 GB9703169D0 (en) 1997-04-02
GB2312514A GB2312514A (en) 1997-10-29
GB2312514B true GB2312514B (en) 2000-03-29

Family

ID=10788643

Family Applications (2)

Application Number Title Priority Date Filing Date
GBGB9602946.7A Pending GB9602946D0 (en) 1996-02-13 1996-02-13 Profile detector
GB9703169A Expired - Fee Related GB2312514B (en) 1996-02-13 1997-02-13 Detector

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GBGB9602946.7A Pending GB9602946D0 (en) 1996-02-13 1996-02-13 Profile detector

Country Status (1)

Country Link
GB (2) GB9602946D0 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9562923B2 (en) 2007-05-15 2017-02-07 Cummins Turbo Technologies Limited Speed sensor for a rotating member or machine

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6114862A (en) 1996-02-14 2000-09-05 Stmicroelectronics, Inc. Capacitive distance sensor
EP0790479B1 (en) 1996-02-14 2002-01-16 STMicroelectronics S.r.l. Capacitive distance sensor, particularly for acquiring fingerprints
US6320394B1 (en) 1996-02-14 2001-11-20 Stmicroelectronics S.R.L. Capacitive distance sensor
US6483931B2 (en) 1997-09-11 2002-11-19 Stmicroelectronics, Inc. Electrostatic discharge protection of a capacitve type fingerprint sensing array
US6191593B1 (en) 1997-12-17 2001-02-20 Stmicroelectronics, Inc. Method for the non-invasive sensing of physical matter on the detection surface of a capacitive sensor
US6091082A (en) 1998-02-17 2000-07-18 Stmicroelectronics, Inc. Electrostatic discharge protection for integrated circuit sensor passivation
JP3314355B2 (en) 1998-07-08 2002-08-12 日本電信電話株式会社 Sensor circuit for surface shape recognition
JP4365908B2 (en) 1998-09-04 2009-11-18 キヤノン株式会社 Surface position detection apparatus, exposure apparatus, and device manufacturing method
US6512381B2 (en) 1999-12-30 2003-01-28 Stmicroelectronics, Inc. Enhanced fingerprint detection
US7239227B1 (en) 1999-12-30 2007-07-03 Upek, Inc. Command interface using fingerprint sensor input system
AT412915B (en) * 2001-08-31 2005-08-25 Friedrich Dipl Ing Dr Franek SENSOR FOR DETERMINING SURFACE PARAMETERS OF A MEASURING OBJECT
FR2844349B1 (en) * 2002-09-06 2005-06-24 Nanotec Solution CAPACITIVE SENSOR PROXIMITY DETECTOR
US8115497B2 (en) 2007-11-13 2012-02-14 Authentec, Inc. Pixel sensing circuit with common mode cancellation
CN111707295B (en) * 2020-08-17 2020-12-11 深圳市汇顶科技股份有限公司 Method and device for treating temperature drift

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2071852A (en) * 1980-03-12 1981-09-23 Rolls Royce Capacitance frequency modulation probe for blade tip clearance measurement
US4891627A (en) * 1983-11-22 1990-01-02 Honda Giken Kogyo Kabushiki Kaisha Device for detecting object
EP0438103A2 (en) * 1990-01-15 1991-07-24 Dieter Dr. Weiss Process and appliance for measuring physical sizes
GB2255641A (en) * 1991-04-30 1992-11-11 Tsuden Kk Car bumper incorporating electronic proximity switches
US5172065A (en) * 1990-01-23 1992-12-15 Vdo Adolf Schindling Ag Evaluation circuit for a capacitive sensor
GB2286247A (en) * 1994-02-03 1995-08-09 Massachusetts Inst Technology Capacitive position detection
WO1995025385A1 (en) * 1994-03-17 1995-09-21 Tanisys Technology, Inc. Capacitance-sensitive switch and switch array
EP0723166A1 (en) * 1995-01-18 1996-07-24 Carlo Gavazzi AG Capacitive sensor

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2071852A (en) * 1980-03-12 1981-09-23 Rolls Royce Capacitance frequency modulation probe for blade tip clearance measurement
US4891627A (en) * 1983-11-22 1990-01-02 Honda Giken Kogyo Kabushiki Kaisha Device for detecting object
EP0438103A2 (en) * 1990-01-15 1991-07-24 Dieter Dr. Weiss Process and appliance for measuring physical sizes
US5172065A (en) * 1990-01-23 1992-12-15 Vdo Adolf Schindling Ag Evaluation circuit for a capacitive sensor
GB2255641A (en) * 1991-04-30 1992-11-11 Tsuden Kk Car bumper incorporating electronic proximity switches
GB2286247A (en) * 1994-02-03 1995-08-09 Massachusetts Inst Technology Capacitive position detection
WO1995025385A1 (en) * 1994-03-17 1995-09-21 Tanisys Technology, Inc. Capacitance-sensitive switch and switch array
EP0723166A1 (en) * 1995-01-18 1996-07-24 Carlo Gavazzi AG Capacitive sensor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9562923B2 (en) 2007-05-15 2017-02-07 Cummins Turbo Technologies Limited Speed sensor for a rotating member or machine

Also Published As

Publication number Publication date
GB2312514A (en) 1997-10-29
GB9602946D0 (en) 1996-04-10
GB9703169D0 (en) 1997-04-02

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20140213