GB2419672B - Improved strain gauge devices - Google Patents

Improved strain gauge devices

Info

Publication number
GB2419672B
GB2419672B GB0506493A GB0506493A GB2419672B GB 2419672 B GB2419672 B GB 2419672B GB 0506493 A GB0506493 A GB 0506493A GB 0506493 A GB0506493 A GB 0506493A GB 2419672 B GB2419672 B GB 2419672B
Authority
GB
United Kingdom
Prior art keywords
strain gauge
improved strain
gauge devices
devices
improved
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
GB0506493A
Other versions
GB2419672A (en
GB0506493D0 (en
Inventor
Robin Terence Albert Stevens
Industrial Dataloggers Limited
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB0506493D0 publication Critical patent/GB0506493D0/en
Priority to US11/259,012 priority Critical patent/US20060087326A1/en
Publication of GB2419672A publication Critical patent/GB2419672A/en
Application granted granted Critical
Publication of GB2419672B publication Critical patent/GB2419672B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • G01L1/225—Measuring circuits therefor

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
GB0506493A 2004-10-26 2005-03-31 Improved strain gauge devices Expired - Fee Related GB2419672B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US11/259,012 US20060087326A1 (en) 2004-10-26 2005-10-26 Resistive sensing element circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0423718A GB2419670A (en) 2004-10-26 2004-10-26 A strain gauge measuring circuit

Publications (3)

Publication Number Publication Date
GB0506493D0 GB0506493D0 (en) 2005-05-04
GB2419672A GB2419672A (en) 2006-05-03
GB2419672B true GB2419672B (en) 2007-11-07

Family

ID=33485199

Family Applications (2)

Application Number Title Priority Date Filing Date
GB0423718A Withdrawn GB2419670A (en) 2004-10-26 2004-10-26 A strain gauge measuring circuit
GB0506493A Expired - Fee Related GB2419672B (en) 2004-10-26 2005-03-31 Improved strain gauge devices

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB0423718A Withdrawn GB2419670A (en) 2004-10-26 2004-10-26 A strain gauge measuring circuit

Country Status (1)

Country Link
GB (2) GB2419670A (en)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB859630A (en) * 1959-10-14 1961-01-25 Streeter Amet Co Weighing apparatus
GB1517157A (en) * 1975-07-30 1978-07-12 G V Planer Ltd Amplifier circuits
US4167869A (en) * 1977-10-07 1979-09-18 The Gillette Company Apparatus for measuring hair grooming force
US4732044A (en) * 1985-09-17 1988-03-22 Marelli Autronica S.P.A. Pressure measuring device
US5345184A (en) * 1991-12-16 1994-09-06 Sharp Kabushiki Kaisha Humidity detection circuit for electronic heat cooking apparatus
US6234032B1 (en) * 1997-03-14 2001-05-22 Japan Tobacco Inc. Load measuring method and an apparatus therefor
GB2372817A (en) * 2000-10-05 2002-09-04 Ind Dataloggers Ltd Strain gauge having matching metallic layer patterns on opposite sides of a substrate
RU2223507C2 (en) * 2001-10-12 2004-02-10 Открытое акционерное общество Раменское приборостроительное конструкторское бюро Circuit to process signal from strain-gauge transducer to serial code

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2513295A (en) * 1947-07-31 1950-07-04 Eisenberg Phillip Tension dynamometer
FR2155400A5 (en) * 1971-09-30 1973-05-18 Licentia Gmbh
US4347505A (en) * 1979-01-29 1982-08-31 Antroy Enterprises, Inc. Device for controlling a circuit
GB8713839D0 (en) * 1987-06-12 1987-07-15 Turnright Controls Sensors
GB9712835D0 (en) * 1997-06-19 1997-08-20 Atkinson John K Improvements in or relating to force sensitive devices
US6067863A (en) * 1997-08-29 2000-05-30 Eaton Corporation Multiple-function selector utilizing a force sensitive, variable impedance device

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB859630A (en) * 1959-10-14 1961-01-25 Streeter Amet Co Weighing apparatus
GB1517157A (en) * 1975-07-30 1978-07-12 G V Planer Ltd Amplifier circuits
US4167869A (en) * 1977-10-07 1979-09-18 The Gillette Company Apparatus for measuring hair grooming force
US4732044A (en) * 1985-09-17 1988-03-22 Marelli Autronica S.P.A. Pressure measuring device
US5345184A (en) * 1991-12-16 1994-09-06 Sharp Kabushiki Kaisha Humidity detection circuit for electronic heat cooking apparatus
US6234032B1 (en) * 1997-03-14 2001-05-22 Japan Tobacco Inc. Load measuring method and an apparatus therefor
GB2372817A (en) * 2000-10-05 2002-09-04 Ind Dataloggers Ltd Strain gauge having matching metallic layer patterns on opposite sides of a substrate
RU2223507C2 (en) * 2001-10-12 2004-02-10 Открытое акционерное общество Раменское приборостроительное конструкторское бюро Circuit to process signal from strain-gauge transducer to serial code

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
John Markus, " Modern Electronics Circuits Reference Manual", McGraw Hill, 1980, top figure p461 and middle figure p454. *
John Markus, "Modern electronic Circuits Reference Manual" McGraw Hill 1980, top figure p461 and middle figure p454 *
WPI Acc. No. 2004-292225 & RU 2223507 C2 … *

Also Published As

Publication number Publication date
GB2419672A (en) 2006-05-03
GB0423718D0 (en) 2004-11-24
GB0506493D0 (en) 2005-05-04
GB2419670A (en) 2006-05-03

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Legal Events

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

Effective date: 20090331