CA1109285A - Capacitor and method for measuring forces by means thereof - Google Patents

Capacitor and method for measuring forces by means thereof

Info

Publication number
CA1109285A
CA1109285A CA295,274A CA295274A CA1109285A CA 1109285 A CA1109285 A CA 1109285A CA 295274 A CA295274 A CA 295274A CA 1109285 A CA1109285 A CA 1109285A
Authority
CA
Canada
Prior art keywords
capacitor
dielectric
hollow spaces
electrodes
measuring
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
CA295,274A
Other languages
English (en)
French (fr)
Inventor
Josef Kastner
Rainer Haberl
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.)
Semperit AG Holding
Original Assignee
Semperit AG Holding
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 Semperit AG Holding filed Critical Semperit AG Holding
Application granted granted Critical
Publication of CA1109285A publication Critical patent/CA1109285A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/22—Electrical actuation
    • G08B13/26—Electrical actuation by proximity of an intruder causing variation in capacitance or inductance of a circuit
    • 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
    • G01L1/146—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 for measuring force distributions, e.g. using force arrays

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Measuring Fluid Pressure (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
CA295,274A 1977-01-21 1978-01-19 Capacitor and method for measuring forces by means thereof Expired CA1109285A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH730/77 1977-01-21
CH73077A CH609774A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1977-01-21 1977-01-21

Publications (1)

Publication Number Publication Date
CA1109285A true CA1109285A (en) 1981-09-22

Family

ID=4193842

Family Applications (1)

Application Number Title Priority Date Filing Date
CA295,274A Expired CA1109285A (en) 1977-01-21 1978-01-19 Capacitor and method for measuring forces by means thereof

Country Status (10)

Country Link
US (2) US4266263A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS53112784A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CA (1) CA1109285A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CH (1) CH609774A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DD (1) DD134164A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE2800844C3 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR2378271A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB1585441A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
IT (1) IT1092079B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
SE (1) SE437571B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

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Also Published As

Publication number Publication date
FR2378271A1 (fr) 1978-08-18
SE7800488L (sv) 1978-07-22
US4266263A (en) 1981-05-05
US4370697A (en) 1983-01-25
FR2378271B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1983-10-28
DE2800844A1 (de) 1978-07-27
GB1585441A (en) 1981-03-04
DD134164A1 (de) 1979-02-07
IT1092079B (it) 1985-07-06
JPS53112784A (en) 1978-10-02
CH609774A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1979-03-15
IT7819485A0 (it) 1978-01-20
SE437571B (sv) 1985-03-04
DE2800844C3 (de) 1981-11-05
DE2800844B2 (de) 1980-11-27

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