GB1234083A - - Google Patents

Info

Publication number
GB1234083A
GB1234083A GB1631668A GB1234083DA GB1234083A GB 1234083 A GB1234083 A GB 1234083A GB 1631668 A GB1631668 A GB 1631668A GB 1234083D A GB1234083D A GB 1234083DA GB 1234083 A GB1234083 A GB 1234083A
Authority
GB
United Kingdom
Prior art keywords
transducer
rubber
sheets
april
load
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
GB1631668A
Other languages
English (en)
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 filed Critical
Publication of GB1234083A publication Critical patent/GB1234083A/en
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
    • G01L9/00—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
    • G01L9/0001—Transmitting or indicating the displacement of elastically deformable gauges by electric, electro-mechanical, magnetic or electro-magnetic means
    • G01L9/0005—Transmitting or indicating the displacement of elastically deformable gauges by electric, electro-mechanical, magnetic or electro-magnetic means using variations in capacitance
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01G—WEIGHING
    • G01G7/00—Weighing apparatus wherein the balancing is effected by magnetic, electromagnetic, or electrostatic action, or by means not provided for in the preceding groups
    • G01G7/06—Weighing apparatus wherein the balancing is effected by magnetic, electromagnetic, or electrostatic action, or by means not provided for in the preceding groups by electrostatic action
    • 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
    • G01L1/144—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 with associated circuitry

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Electromagnetism (AREA)
  • Force Measurement Appropriate To Specific Purposes (AREA)
  • Measuring Fluid Pressure (AREA)
  • Elimination Of Static Electricity (AREA)
  • Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
GB1631668A 1968-04-04 1968-04-04 Expired GB1234083A (US07642317-20100105-C00010.png)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1631668 1968-04-04

Publications (1)

Publication Number Publication Date
GB1234083A true GB1234083A (US07642317-20100105-C00010.png) 1971-06-03

Family

ID=10075097

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1631668A Expired GB1234083A (US07642317-20100105-C00010.png) 1968-04-04 1968-04-04

Country Status (5)

Country Link
US (1) US3678378A (US07642317-20100105-C00010.png)
DE (1) DE1916496A1 (US07642317-20100105-C00010.png)
FR (1) FR2005552A1 (US07642317-20100105-C00010.png)
GB (1) GB1234083A (US07642317-20100105-C00010.png)
NL (1) NL6905277A (US07642317-20100105-C00010.png)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4062008A (en) * 1976-02-09 1977-12-06 Nils Jeppson System for selective detection and indication of impacts upon a base surface
US4365805A (en) * 1980-12-17 1982-12-28 Carl Levine System for monitoring tennis court boundary lines

Families Citing this family (46)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2162070C2 (de) * 1970-12-14 1983-08-25 Electronic Monitors, Inc., 76112 Fort Worth, Tex. Atmungsüberwachungsgerät
US3838684A (en) * 1971-01-20 1974-10-01 B Manuel Cardiac monitor
US3760794A (en) * 1971-09-01 1973-09-25 Electronic Monitors Inc Respiration monitoring apparatus and method
US3787764A (en) * 1971-12-03 1974-01-22 Atomic Energy Commission Solid dielectric capacitance gauge for measuring fluid pressure having temperature compensation and guard electrode
US3926177A (en) * 1972-09-11 1975-12-16 Cavitron Corp Activity and respiration monitor
US3814998A (en) * 1973-05-18 1974-06-04 Johnson Service Co Pressure sensitive capacitance sensing element
US3966002A (en) * 1974-09-12 1976-06-29 Breakthrough Research & Development Corporation Portable vehicle scales
US3995696A (en) * 1975-02-10 1976-12-07 Deere & Company Capacitance transducer load sensor
SE399963B (sv) * 1975-04-08 1978-03-06 Telub Ab Anordning for utverdering av en belastning, speciellt en momentant upptredande belastning
US4103226A (en) * 1976-09-15 1978-07-25 Westinghouse Electric Corp. Apparatus for gauging the texture of a conducting surface
US4195643A (en) * 1976-12-27 1980-04-01 Massachusetts Institute Of Technology Diagnostic force analysis system
CH609774A5 (US07642317-20100105-C00010.png) * 1977-01-21 1979-03-15 Semperit Ag
US4152748A (en) * 1977-05-05 1979-05-01 Arkans Edward J Multiple transducer
US4179627A (en) * 1977-06-10 1979-12-18 Tom Swift Enterprises, Inc. Electrical apparatus
US4236109A (en) * 1977-12-12 1980-11-25 Lockheed Corporation Dielectric monitored composite assembly
US4175445A (en) * 1978-09-05 1979-11-27 Exxon Production Research Company Pressure sensing apparatus
DE3006620A1 (de) * 1980-02-22 1981-09-03 Robert Bosch Gmbh, 7000 Stuttgart Beruehrungssensor
US4386533A (en) * 1981-01-26 1983-06-07 Deere & Company Capacitance transducer
IT1161033B (it) * 1983-03-24 1987-03-11 Hesa Spa Perfezionamento ai dispositivi sensori in particolare ma non esclusivamente interrati ed operanti in base a variazioni di stato capacitivo in genere per segnalazioni di allarme al passaggio di masse pesanti, e relativi sistemi operanti il dispositivo
ATE43277T1 (de) * 1984-04-09 1989-06-15 Elektroniktechnologie Get Elektronische warn- und ueberwachungseinrichtung fuer handhabungsvorrichtungen.
IL72737A0 (en) * 1984-08-21 1984-11-30 Cybertronics Ltd Electrical device for indicating the force and/or location of target impacts
SE445675B (sv) * 1984-11-23 1986-07-07 Systemteknik Ab Anordning vid lastcell
WO1987004786A1 (en) * 1986-02-03 1987-08-13 Matsushita Electric Industrial Co., Ltd. Weight-detecting device
JPH0750789B2 (ja) * 1986-07-18 1995-05-31 日産自動車株式会社 半導体圧力変換装置の製造方法
FR2601770B1 (fr) * 1986-07-21 1994-03-25 Onera Dispositif de pesage a capteur capacitif pelliculaire
DE3634855C1 (de) * 1986-10-13 1988-03-31 Peter Seitz Kapazitive Messanordnung zur Bestimmung von Kraeften und/oder Druecken
GB8807798D0 (en) * 1988-03-31 1988-05-05 Sebon D Capacitative weight sensor
US4793429A (en) * 1988-04-20 1988-12-27 Westinghouse Electric Corp. Dynamic vehicle-weighing system
JP3156053B2 (ja) * 1989-01-23 2001-04-16 ザ・ユニヴァーシテイ・オブ・メルボルン 電子変換器
DE4231616C2 (de) * 1992-09-22 1995-08-24 Seichter Gmbh Kapazitiver Sensor
CA2088936C (en) * 1993-02-08 2000-01-25 Udo Horst Mohaupt Capacitance weighing mat with substantially rigid separators
AUPM348594A0 (en) * 1994-01-21 1994-02-17 University Of Melbourne, The Improvements in syringe pumps
US5459406A (en) * 1994-07-01 1995-10-17 Cornell Research Foundation, Inc. Guarded capacitance probes for measuring particle concentration and flow
CA2163045C (en) * 1995-11-16 2003-08-05 Udo Horst Mohaupt Capacitance transducer
DE19732027A1 (de) * 1997-07-25 1999-01-28 Alphasat Communication Gmbh Kapazitiver Druckkraftsensor
DE10011134A1 (de) * 2000-03-10 2002-04-18 Wet Automotive Systems Ag Druck Meß-Vorrichtung
DE10127343B4 (de) * 2001-06-06 2004-07-08 Infineon Technologies Ag Sensor zur Kraftmessung
US6894233B2 (en) * 2003-02-20 2005-05-17 The Revenue Markets, Inc. Systems and methods for classifying vehicles
US20050011681A1 (en) * 2003-07-16 2005-01-20 Follonier Stephane Andre Flexible weighing device
US7176390B2 (en) * 2005-03-02 2007-02-13 Delphi Technologies, Inc. Capacitive load cell with multi-layer dielectric for extended range
US7302762B1 (en) * 2006-05-11 2007-12-04 Seoul National University Industry Foundation Plate type capacitive sensor for five-dimensional displacement measurement
ATE523387T1 (de) * 2008-05-29 2011-09-15 Delphi Tech Inc Sicherheitsgurtwarnsystem
US8544336B2 (en) * 2009-11-26 2013-10-01 Xsensor Technology Corporation Sealed conductive grid capacitive pressure sensor
US10597236B2 (en) 2014-04-15 2020-03-24 Laitram, L.L.C. Capacitively coupled conveyer measuring system
US10191001B2 (en) * 2014-04-15 2019-01-29 Laitram, L.L.C. Conveyor-belt system for measuring conditions that vary the resonant frequency of a resonant circuit
DE102017223196A1 (de) * 2017-12-19 2019-06-19 Contitech Transportbandsysteme Gmbh Rolle, vorzugsweise Antriebsrolle, für eine Förderanlage

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2571507A (en) * 1950-06-06 1951-10-16 Gen Motors Corp Pressure indicator
US2757923A (en) * 1952-12-05 1956-08-07 John P Lefsheik Fork lift tractor scale
US2924970A (en) * 1956-04-30 1960-02-16 Gen Electric Static force measurement
US2965877A (en) * 1957-06-10 1960-12-20 James H Stein Capacitive-type line hydrophone
US3056005A (en) * 1960-08-04 1962-09-25 Harry J Larson Mat switch and method of making the same
US3241626A (en) * 1964-06-29 1966-03-22 Charles R Woodburn Weight indicating apparatus
US3314493A (en) * 1964-11-04 1967-04-18 Kennedy James Patrick Electrical weigh scale with capacitive transducer
US3328653A (en) * 1966-09-22 1967-06-27 Budd Co Thin film pressure transducer

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4062008A (en) * 1976-02-09 1977-12-06 Nils Jeppson System for selective detection and indication of impacts upon a base surface
US4365805A (en) * 1980-12-17 1982-12-28 Carl Levine System for monitoring tennis court boundary lines

Also Published As

Publication number Publication date
DE1916496A1 (de) 1969-11-06
US3678378A (en) 1972-07-18
FR2005552A1 (US07642317-20100105-C00010.png) 1969-12-12
NL6905277A (US07642317-20100105-C00010.png) 1969-10-07

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees