DE69122895D1 - Apparat zur Feststellung der Papierdicke - Google Patents

Apparat zur Feststellung der Papierdicke

Info

Publication number
DE69122895D1
DE69122895D1 DE69122895T DE69122895T DE69122895D1 DE 69122895 D1 DE69122895 D1 DE 69122895D1 DE 69122895 T DE69122895 T DE 69122895T DE 69122895 T DE69122895 T DE 69122895T DE 69122895 D1 DE69122895 D1 DE 69122895D1
Authority
DE
Germany
Prior art keywords
determining
paper thickness
paper
thickness
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
DE69122895T
Other languages
English (en)
Other versions
DE69122895T2 (de
Inventor
Noboru Masuda
Tetsuo Oosawa
Yasutaka Fujii
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.)
Murata Manufacturing Co Ltd
Original Assignee
Murata Manufacturing Co 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
Priority claimed from JP1990013276U external-priority patent/JPH0744965Y2/ja
Priority claimed from JP2035571A external-priority patent/JPH0752083B2/ja
Application filed by Murata Manufacturing Co Ltd filed Critical Murata Manufacturing Co Ltd
Application granted granted Critical
Publication of DE69122895D1 publication Critical patent/DE69122895D1/de
Publication of DE69122895T2 publication Critical patent/DE69122895T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • G01B7/02—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness
    • G01B7/06—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness for measuring thickness
    • G01B7/08—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness for measuring thickness using capacitive means
    • G01B7/087—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness for measuring thickness using capacitive means for measuring of objects while moving
DE69122895T 1990-02-14 1991-02-13 Apparat zur Feststellung der Papierdicke Expired - Fee Related DE69122895T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP1990013276U JPH0744965Y2 (ja) 1990-02-14 1990-02-14 紙厚検出装置
JP2035571A JPH0752083B2 (ja) 1990-02-16 1990-02-16 紙厚検出装置

Publications (2)

Publication Number Publication Date
DE69122895D1 true DE69122895D1 (de) 1996-12-05
DE69122895T2 DE69122895T2 (de) 1997-05-28

Family

ID=26349044

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69122895T Expired - Fee Related DE69122895T2 (de) 1990-02-14 1991-02-13 Apparat zur Feststellung der Papierdicke

Country Status (3)

Country Link
US (1) US5198777A (de)
EP (1) EP0442727B1 (de)
DE (1) DE69122895T2 (de)

Families Citing this family (53)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2518170B2 (ja) * 1991-04-15 1996-07-24 株式会社村田製作所 静電センサ装置
US5412318A (en) * 1992-03-17 1995-05-02 Landis & Gyr Business Support Ag Device for detecting attempts at fraud on an apparatus for reading and writing on a chip card
IT1257835B (it) * 1992-06-17 1996-02-13 Gd Spa Dispositivo rilevatore dello spessore di materiale in nastro in particolare in dispositivi per il cambio automatico di bobine di materiale in nastro metallizzato
ZA934445B (en) * 1992-06-22 1994-01-24 David John Radford Radio frequency measuring apparatus
FR2692978A1 (fr) * 1992-06-30 1993-12-31 Alcatel Fibres Optiques Dispositif et procédé de contrôle de l'épaisseur et de la régularité d'un revêtement déposé sur un corps isolant allongé.
US5321366A (en) * 1992-08-31 1994-06-14 Murata Mfg. Co. Ltd. Capacitance sensor apparatus of divided multi-electrode type
JP2922376B2 (ja) * 1992-12-26 1999-07-19 キヤノン株式会社 シート厚測定装置
US5455565A (en) * 1993-11-08 1995-10-03 Ivac Corporation Fluid monitor system and method using a resonator
US5808435A (en) * 1996-05-28 1998-09-15 Kmy Instruments Micropositioning device for disk head testing system
US5922959A (en) * 1996-10-15 1999-07-13 Currency Systems International Methods of measuring currency limpness
US6341522B1 (en) 1996-12-13 2002-01-29 Measurex Corporation Water weight sensor array imbedded in a sheetmaking machine roll
US5928475A (en) * 1996-12-13 1999-07-27 Honeywell-Measurex, Corporation High resolution system and method for measurement of traveling web
US5891306A (en) * 1996-12-13 1999-04-06 Measurex Corporation Electromagnetic field perturbation sensor and methods for measuring water content in sheetmaking systems
US6087837A (en) * 1996-12-13 2000-07-11 Honeywell-Measurex Compact high resolution under wire water weight sensor array
US6072309A (en) * 1996-12-13 2000-06-06 Honeywell-Measurex Corporation, Inc. Paper stock zeta potential measurement and control
US5853543A (en) * 1997-01-27 1998-12-29 Honeywell-Measurex Corporation Method for monitoring and controlling water content in paper stock in a paper making machine
US6168080B1 (en) 1997-04-17 2001-01-02 Translucent Technologies, Llc Capacitive method and apparatus for accessing contents of envelopes and other similarly concealed information
US5944955A (en) * 1998-01-15 1999-08-31 Honeywell-Measurex Corporation Fast basis weight control for papermaking machine
US6076022A (en) * 1998-01-26 2000-06-13 Honeywell-Measurex Corporation Paper stock shear and formation control
US6092003A (en) * 1998-01-26 2000-07-18 Honeywell-Measurex Corporation Paper stock shear and formation control
US6080278A (en) * 1998-01-27 2000-06-27 Honeywell-Measurex Corporation Fast CD and MD control in a sheetmaking machine
US6149770A (en) * 1998-04-14 2000-11-21 Honeywell-Measurex Corporation Underwire water weight turbulence sensor
US6168687B1 (en) 1998-04-24 2001-01-02 Honeywell-Measurex Corporation System and method for sheet measurement and control in papermaking machine
US6006602A (en) * 1998-04-30 1999-12-28 Honeywell-Measurex Corporation Weight measurement and measurement standardization sensor
US6086716A (en) * 1998-05-11 2000-07-11 Honeywell-Measurex Corporation Wet end control for papermaking machine
DE19826909A1 (de) * 1998-06-17 1999-12-23 Koenig & Bauer Ag Einrichtung zur kapazitiven Doppelbogenkontrolle
US6202929B1 (en) 1999-03-10 2001-03-20 Micro-Epsilon Mess Technik Capacitive method and apparatus for accessing information encoded by a differentially conductive pattern
US6995574B2 (en) 2003-12-18 2006-02-07 The Boeing Company Measurement of a coating on a composite using capacitance
US8870106B2 (en) * 2004-09-10 2014-10-28 Fellowes, Inc. Shredder with thickness detector
US7631822B2 (en) * 2004-09-10 2009-12-15 Fellowes Inc. Shredder with thickness detector
US7954737B2 (en) 2007-10-04 2011-06-07 Fellowes, Inc. Shredder thickness with anti-jitter feature
US8672247B2 (en) 2005-07-11 2014-03-18 Fellowes, Inc. Shredder with thickness detector
WO2007137761A1 (de) * 2006-06-01 2007-12-06 Dahle Bürotechnik Gmbh Dokumentenvernichter
DE102006038339B4 (de) * 2006-08-15 2008-08-21 Andritz Küsters GmbH & Co. KG Verfahren und Vorrichtung zur Ausrüstung einer Warenbahn
EP2064536A4 (de) * 2006-08-28 2012-05-30 Detection Systems Pty Ltd Fliessband-nachweisvorrichtung und -verfahren
KR101115779B1 (ko) * 2007-07-26 2012-03-06 후지쯔 가부시끼가이샤 지엽 두께 검출 장치
GB2451513B (en) * 2007-08-02 2012-04-18 Acco Uk Ltd A shredding machine
US8201761B2 (en) * 2009-01-05 2012-06-19 Fellowes, Inc. Thickness sensor based motor controller
US8430347B2 (en) * 2009-01-05 2013-04-30 Fellowes, Inc. Thickness adjusted motor controller
US8091809B2 (en) * 2009-03-24 2012-01-10 Fellowes, Inc. Shredder with jam proof system
US8205815B2 (en) * 2009-05-15 2012-06-26 Fellowes, Inc. Paper alignment sensor arrangement
US8678305B2 (en) * 2009-06-18 2014-03-25 Fellowes, Inc. Restrictive throat mechanism for paper shredders
US8550387B2 (en) * 2009-06-18 2013-10-08 Tai Hoon K. Matlin Restrictive throat mechanism for paper shredders
US8382019B2 (en) 2010-05-03 2013-02-26 Fellowes, Inc. In-rush current jam proof sensor control
US8511593B2 (en) 2010-05-28 2013-08-20 Fellowes, Inc. Differential jam proof sensor for a shredder
GB2481002B (en) 2010-06-04 2015-01-14 Plastic Logic Ltd Determining layer thickness
GB201011785D0 (en) * 2010-07-13 2010-08-25 Oxford Rf Sensors Ltd Permittivity sensor
US8854056B1 (en) * 2012-09-13 2014-10-07 Cypress Semiconductor Corporation Capacitance sensing devices and methods
US9746385B2 (en) * 2013-06-12 2017-08-29 Honeywell International Inc. System and method for measuring varying parameters using adaptive signal conditioning
WO2016170639A1 (ja) * 2015-04-23 2016-10-27 富士通フロンテック株式会社 紙葉類の厚み検出センサ及び紙幣鑑別ユニット
US10209054B2 (en) * 2016-04-20 2019-02-19 Duke University Non-invasive thickness measurement using capacitance measurement
CN109297397B (zh) * 2018-10-25 2020-07-31 中国电子产品可靠性与环境试验研究所（（工业和信息化部电子第五研究所）（中国赛宝实验室）） 静电换能器可动电极的厚度测量方法、装置以及系统
CN113280725B (zh) * 2021-03-09 2022-10-28 歌尔微电子股份有限公司 石英晶体厚度检测装置

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2562575A (en) * 1947-01-04 1951-07-31 Emhart Mfg Co Electronic device for measuring physical constants
FR1297916A (fr) * 1961-05-26 1962-07-06 Commissariat Energie Atomique Dispositif pour la mesure de l'épaisseur d'un film liquide
US3300716A (en) * 1962-04-21 1967-01-24 Cons Electrodynamics Corp Apparatus for measuring and testing electrical properties of nonconductive materials
US3341774A (en) * 1962-07-17 1967-09-12 Comm Res Inc Capacitance detector having a transmitter connected to one plate and a receiver connected to another plate
US3519922A (en) * 1965-12-16 1970-07-07 Nash & Harrison Ltd Apparatus for detecting abrupt change in the thickness of sheet material
US3609735A (en) * 1968-12-03 1971-09-28 Harris Intertype Corp Inductive-capacitive probe in machine for handling sheetlike material
US3990005A (en) * 1974-09-03 1976-11-02 Ade Corporation Capacitive thickness gauging for ungrounded elements
US4528655A (en) * 1981-11-16 1985-07-09 Murata Manufacturing Co., Ltd. Apparatus for detecting variation of electrostatic capacitance
FR2528970B1 (fr) * 1982-06-22 1985-09-27 Flonic Sa Dispositif de verification d'epaisseur de matieres dielectriques en feuille
GB8709465D0 (en) * 1987-04-22 1987-05-28 Watkiss Automation Ltd Sensor
JPH06101052B2 (ja) * 1988-06-30 1994-12-12 株式会社日本コンラックス 硬貨識別装置

Also Published As

Publication number Publication date
EP0442727A3 (en) 1992-03-18
DE69122895T2 (de) 1997-05-28
US5198777A (en) 1993-03-30
EP0442727A2 (de) 1991-08-21
EP0442727B1 (de) 1996-10-30

Similar Documents

Publication Publication Date Title
DE69122895D1 (de) Apparat zur Feststellung der Papierdicke
DE69119526D1 (de) Apparat zur Detektion der Verschiebung
DE69714922T2 (de) Blattdickemessapparat
DE69020798D1 (de) Apparat zur Detektion des Zustandes der Speisung.
DE3767131D1 (de) Apparat zur oberflaechenueberpruefung oder -abstandsmessung.
DE69133108T2 (de) Apparat zur dreidimensionalen Messung
DE69225117T2 (de) Apparat zur Messung der Dicke von dünnen Filmen
DE69126017D1 (de) Vorrichtung zur Regelung der Fahrbahnbelagsdicke
DE68904164T2 (de) Apparat zur durchfuehrung einer verlaengerten angioplastie.
DK144892D0 (da) Apparat
DE69317606D1 (de) Apparat zur Messung der Temperaturverteilung
DE69130826T2 (de) Vorrichtung zur ermittlung der scharfstellungsposition
EP0422545A3 (en) Sheet thickness measuring apparatus
DE69021908D1 (de) Apparat zur Detektion.
DK0619874T3 (da) Apparat til bestemmelse af tømningskarakteristikker
DE69117319T2 (de) Vorrichtung zur Feststellung der Tonart
DE69124853T2 (de) Vorrichtung zur Detektion von Unterschieden zwischen Bewegtbildern
DE69121216T2 (de) Gerät zur Richtungsbestimmung
DK334087A (da) Apparat til bestemmelse af koedkvalitet
GB9016425D0 (en) Apparatus for determining the dewpoint
DE69105826D1 (de) Apparat zur Anzeige oder Projektion von Bildern oder ähnlichem.
DE69714174D1 (de) Apparat zur Messung der Kurvenlänge
FI912275A0 (fi) Paksuusmittauslaite
DE69119981D1 (de) Vorrichtung zur ermittlung der bildschärfe
DE69125865T2 (de) Apparat zur Detektion der Verschiebung der Lage

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee