DE3472004D1 - Transducers - Google Patents

Transducers

Info

Publication number
DE3472004D1
DE3472004D1 DE8484300018T DE3472004T DE3472004D1 DE 3472004 D1 DE3472004 D1 DE 3472004D1 DE 8484300018 T DE8484300018 T DE 8484300018T DE 3472004 T DE3472004 T DE 3472004T DE 3472004 D1 DE3472004 D1 DE 3472004D1
Authority
DE
Germany
Prior art keywords
transducers
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
Application number
DE8484300018T
Other languages
English (en)
Inventor
John Wildermuth Froeb
Keith Allen Engstrom
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.)
Illinois Tool Works Inc
Original Assignee
Illinois Tool Works Inc
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 Illinois Tool Works Inc filed Critical Illinois Tool Works Inc
Application granted granted Critical
Publication of DE3472004D1 publication Critical patent/DE3472004D1/de
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L1/00—Measuring force or stress, in general
    • G01L1/20—Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress
    • G01L1/22—Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress using resistance strain gauges
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L1/00—Measuring force or stress, in general
    • G01L1/14—Measuring force or stress, in general by measuring variations in capacitance or inductance of electrical elements, e.g. by measuring variations of frequency of electrical oscillators
    • G01L1/142—Measuring force or stress, in general by measuring variations in capacitance or inductance of electrical elements, e.g. by measuring variations of frequency of electrical oscillators using capacitors
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L1/00—Measuring force or stress, in general
    • G01L1/14—Measuring force or stress, in general by measuring variations in capacitance or inductance of electrical elements, e.g. by measuring variations of frequency of electrical oscillators
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L1/00—Measuring force or stress, in general
    • G01L1/20—Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2239/00—Miscellaneous
    • H01H2239/078—Variable resistance by variable contact area or point
DE8484300018T 1983-01-03 1984-01-03 Transducers Expired DE3472004D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/455,443 US4479392A (en) 1983-01-03 1983-01-03 Force transducer

Publications (1)

Publication Number Publication Date
DE3472004D1 true DE3472004D1 (en) 1988-07-14

Family

ID=23808830

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8484300018T Expired DE3472004D1 (en) 1983-01-03 1984-01-03 Transducers

Country Status (6)

Country Link
US (1) US4479392A (de)
EP (1) EP0119673B1 (de)
JP (1) JPS59151029A (de)
KR (1) KR840007626A (de)
AU (1) AU569860B2 (de)
DE (1) DE3472004D1 (de)

Families Citing this family (43)

* Cited by examiner, † Cited by third party
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SE8400484D0 (sv) * 1984-01-31 1984-01-31 Slim Borgudd Anordning for metning av dynamisk och statisk lastpakenning vid en draganordning for t ex drivorgan
US4598291A (en) * 1984-05-07 1986-07-01 Illinois Tool Works Inc. Electrical control telemetering device
JPS61129140U (de) * 1985-01-23 1986-08-13
JPS62130321A (ja) * 1985-12-02 1987-06-12 Kokoku Rubber Kogyo Kk 圧力検知器
SE453689B (sv) * 1986-06-27 1988-02-22 Autoliv Dev Resistiv legesgivare
DE3843960A1 (de) * 1988-12-24 1990-07-05 Bsg Schalttechnik Vorrichtung zur weg- und/oder druckumwandlung in eine elektrische groesse
US5132658A (en) * 1990-04-19 1992-07-21 Sensym, Inc. Micromachined silicon potentiometer responsive to pressure
US5287089A (en) * 1992-05-13 1994-02-15 Micro-Integration Corporation Hand manipulatable computer input device
US5431064A (en) * 1992-09-18 1995-07-11 Home Row, Inc. Transducer array
US6026677A (en) * 1993-10-01 2000-02-22 Hysitron, Incorporated Apparatus for microindentation hardness testing and surface imaging incorporating a multi-plate capacitor system
US5576483A (en) * 1993-10-01 1996-11-19 Hysitron Incorporated Capacitive transducer with electrostatic actuation
US5553486A (en) * 1993-10-01 1996-09-10 Hysitron Incorporated Apparatus for microindentation hardness testing and surface imaging incorporating a multi-plate capacitor system
US5661235A (en) * 1993-10-01 1997-08-26 Hysitron Incorporated Multi-dimensional capacitive transducer
DE19533756A1 (de) * 1995-09-12 1997-03-13 Fraunhofer Ges Forschung Elektronisches Bauelement zur statischen und dynamischen Druckerfassung
US5629488A (en) * 1995-12-22 1997-05-13 Breed Automotive Technology, Inc. Force sensor and method of making same
ATE203626T1 (de) * 1996-02-14 2001-08-15 Contraves Ag Tastpotentiometer, insbesondere für eine schnelleinweisungsvorrichtung an einem beobachtungs- und/oder geschützfahrzeug
US6313826B1 (en) 1998-04-07 2001-11-06 Varatouch Technology Incorporated Pointing device with non-spring return mechanism
US6184866B1 (en) 1997-09-29 2001-02-06 Varatouch Technology Incorporated Pointing device
US6044717A (en) * 1998-09-28 2000-04-04 Xerox Corporation Pressure and force profile sensor and method for detecting pressure
US6032536A (en) * 1998-09-28 2000-03-07 Xerox Corporation Pressure sensor and method for detecting pressure
US7190251B2 (en) * 1999-05-25 2007-03-13 Varatouch Technology Incorporated Variable resistance devices and methods
US6404323B1 (en) 1999-05-25 2002-06-11 Varatouch Technology Incorporated Variable resistance devices and methods
CN1157594C (zh) 1999-07-09 2004-07-14 Nec东金株式会社 静电电容式应变传感器及其使用方法
JP4429478B2 (ja) * 2000-05-19 2010-03-10 ニッタ株式会社 力検出装置
JP2003036768A (ja) * 2001-07-23 2003-02-07 Matsushita Electric Ind Co Ltd 多方向入力装置及びこれを用いた電子機器
EP1310967A3 (de) * 2001-11-13 2005-02-09 Alps Electric Co., Ltd. Eingabevorrichtung mit Änderung der Ausgangsgrösse in Abhängigkeit der Druckkraft
US7474772B2 (en) 2003-06-25 2009-01-06 Atrua Technologies, Inc. System and method for a miniature user input device
US7587072B2 (en) 2003-08-22 2009-09-08 Authentec, Inc. System for and method of generating rotational inputs
US20060287140A1 (en) * 2005-06-16 2006-12-21 Brandt Richard A Automated line calling system
EP1739698A1 (de) * 2005-06-29 2007-01-03 IEE INTERNATIONAL ELECTRONICS & ENGINEERING S.A. Folienschaltelement insbesondere zur Verwendung als Aufprallsensor
US20070061126A1 (en) * 2005-09-01 2007-03-15 Anthony Russo System for and method of emulating electronic input devices
US7684953B2 (en) * 2006-02-10 2010-03-23 Authentec, Inc. Systems using variable resistance zones and stops for generating inputs to an electronic device
WO2008042009A1 (en) * 2006-03-13 2008-04-10 Asylum Research Corporation Nanoindenter
US9235274B1 (en) 2006-07-25 2016-01-12 Apple Inc. Low-profile or ultra-thin navigation pointing or haptic feedback device
JP2008146679A (ja) * 2008-02-18 2008-06-26 Alps Electric Co Ltd 入力装置及びそれを備えた電子機器
US8791792B2 (en) 2010-01-15 2014-07-29 Idex Asa Electronic imager using an impedance sensor grid array mounted on or about a switch and method of making
US8421890B2 (en) 2010-01-15 2013-04-16 Picofield Technologies, Inc. Electronic imager using an impedance sensor grid array and method of making
US8866347B2 (en) 2010-01-15 2014-10-21 Idex Asa Biometric image sensing
DE102011081887A1 (de) * 2011-08-31 2013-02-28 Robert Bosch Gmbh Polymerschichtsystem-Drucksensorvorrichtung und Polymerschichtsystem-Drucksensorverfahren
EP2958053A1 (de) 2012-04-10 2015-12-23 Idex Asa Biometrische erfassung
ITTO20130931A1 (it) * 2013-11-15 2015-05-16 St Microelectronics Srl Sensore di forza microelettromeccanico di tipo capacitivo e relativo metodo di rilevamento di forza
WO2017075201A1 (en) * 2015-10-30 2017-05-04 Northwestern University Dielectrostrictive sensors for shear stress measurement, process monitoring, and quality examination of viscoelastic materials
CN105890830B (zh) * 2016-04-29 2019-03-05 宸盛光电有限公司 一种压力感测装置

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH82335A (de) * 1919-02-24 1919-09-16 L Meyfarth Gottlieb Kontaktvorrichtung für elektrische Regulierapparate
US1684461A (en) * 1922-12-01 1928-09-18 Dubilier Condenser Corp Electrical device
US3096656A (en) * 1959-04-23 1963-07-09 Bendix Corp Transducer
GB1138613A (en) * 1965-03-11 1969-01-01 Derek Joseph Harry Goddin Improvements in or relating to pressure measuring devices
US3328653A (en) * 1966-09-22 1967-06-27 Budd Co Thin film pressure transducer
US3693059A (en) * 1971-06-17 1972-09-19 Ibm Capacitive coupling switch and actuator
US3781751A (en) * 1972-05-18 1973-12-25 Dynamic Instr Corp Pressure transducer
DE2300837A1 (de) * 1972-12-06 1974-06-12 Indur Antriebstechnik Ag Vorrichtung zur wegarmen kraftmessung
CH549207A (de) * 1973-01-26 1974-09-30 Gauer Ag Electronic Einrichtung zum aendern einer elektrischen groesse in abhaengigkeit von einem druck.
FR2266275B1 (de) * 1974-03-29 1976-12-17 Europ Composants Electron
US3993939A (en) * 1975-01-07 1976-11-23 The Bendix Corporation Pressure variable capacitor
US4055735A (en) * 1975-10-23 1977-10-25 Honeywell Information Systems Inc. Touch sensitive device
US4047241A (en) * 1976-04-12 1977-09-06 Burroughs Corporation Capacitive switch
GB1562766A (en) * 1977-03-25 1980-03-19 Electric Power Res Inst Biaxial capacitance strain transducer
DE2727221A1 (de) * 1977-06-16 1978-12-21 Kuhn Goetz Gerd Prof Dr Med Druckmessvorrichtung
US4257305A (en) * 1977-12-23 1981-03-24 Arp Instruments, Inc. Pressure sensitive controller for electronic musical instruments
US4314227A (en) * 1979-09-24 1982-02-02 Eventoff Franklin Neal Electronic pressure sensitive transducer apparatus
DE3006678A1 (de) * 1980-02-22 1981-08-27 G. Kromschröder AG, 4500 Osnabrück Druckabhaengiges material und damit aufgebauter kontaktsignalgeber
US4417294A (en) * 1981-08-28 1983-11-22 Illinois Tool Works Inc. Capacitive keyswitch

Also Published As

Publication number Publication date
AU2294883A (en) 1984-07-05
JPS59151029A (ja) 1984-08-29
US4479392A (en) 1984-10-30
KR840007626A (ko) 1984-12-08
AU569860B2 (en) 1988-02-25
EP0119673A1 (de) 1984-09-26
EP0119673B1 (de) 1988-06-08

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Legal Events

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