GB2326719B - Improvements in or relating to force sensitive devices - Google Patents

Improvements in or relating to force sensitive devices

Info

Publication number
GB2326719B
GB2326719B GB9813171A GB9813171A GB2326719B GB 2326719 B GB2326719 B GB 2326719B GB 9813171 A GB9813171 A GB 9813171A GB 9813171 A GB9813171 A GB 9813171A GB 2326719 B GB2326719 B GB 2326719B
Authority
GB
United Kingdom
Prior art keywords
relating
sensitive devices
force sensitive
force
devices
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
GB9813171A
Other versions
GB2326719A (en
GB9813171D0 (en
Inventor
John Karl Atkinson
Andrew William James Cranny
Russell Paul Sion
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.)
CUBED Ltd C
Original Assignee
CUBED Ltd C
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 CUBED Ltd C filed Critical CUBED Ltd C
Publication of GB9813171D0 publication Critical patent/GB9813171D0/en
Publication of GB2326719A publication Critical patent/GB2326719A/en
Application granted granted Critical
Publication of GB2326719B publication Critical patent/GB2326719B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L23/00—Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid
    • G01L23/08—Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid operated electrically
    • G01L23/18—Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid operated electrically by 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
    • G01L1/20—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
    • 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
    • G01L1/2262—Measuring circuits therefor involving simple electrical bridges
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
    • G01L5/24—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for determining value of torque or twisting moment for tightening a nut or other member which is similarly stressed
    • G01L5/243—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for determining value of torque or twisting moment for tightening a nut or other member which is similarly stressed using washers
GB9813171A 1997-06-19 1998-06-19 Improvements in or relating to force sensitive devices Expired - Fee Related GB2326719B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB9712835.9A GB9712835D0 (en) 1997-06-19 1997-06-19 Improvements in or relating to force sensitive devices

Publications (3)

Publication Number Publication Date
GB9813171D0 GB9813171D0 (en) 1998-08-19
GB2326719A GB2326719A (en) 1998-12-30
GB2326719B true GB2326719B (en) 2001-07-18

Family

ID=10814502

Family Applications (2)

Application Number Title Priority Date Filing Date
GBGB9712835.9A Pending GB9712835D0 (en) 1997-06-19 1997-06-19 Improvements in or relating to force sensitive devices
GB9813171A Expired - Fee Related GB2326719B (en) 1997-06-19 1998-06-19 Improvements in or relating to force sensitive devices

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GBGB9712835.9A Pending GB9712835D0 (en) 1997-06-19 1997-06-19 Improvements in or relating to force sensitive devices

Country Status (1)

Country Link
GB (2) GB9712835D0 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1330779B1 (en) 2000-10-27 2009-12-02 Tyco Electronics Corporation Dual sensor touchscreen utilizing projective-capacitive and force touch sensors
GB2419670A (en) * 2004-10-26 2006-05-03 Robin Terence Albert Stevens A strain gauge measuring circuit
JP5885249B2 (en) * 2012-05-16 2016-03-15 株式会社エー・アンド・デイ Axial force sensor
DE102015002784A1 (en) * 2015-04-30 2016-11-03 Grohe Ag Sanitary support, a sanitary order and method of operating a sanitary order
DE102016109433B4 (en) 2016-05-23 2018-03-01 Minebea Intec GmbH force sensor
DE102017101385B4 (en) 2017-01-25 2023-01-05 Minebea Intec GmbH Creep adjustment for piezoresistive gages
GB201701675D0 (en) * 2017-02-01 2017-03-15 Johnson Matthey Plc System and method for monitoring a flange joint assembly
JP6895363B2 (en) * 2017-10-20 2021-06-30 株式会社クボタ How to use pipe inspection equipment and inspection equipment
CN107701907B (en) * 2017-10-30 2021-04-13 江阴市恒润重工股份有限公司 Flange with anti-skid groove type gasket and pressure sensor and manufacturing method

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1472294A (en) * 1974-12-18 1977-05-04 Welwyn Electric Ltd Strain measuring device
US5222399A (en) * 1991-02-01 1993-06-29 Fel-Pro Incorporated Load washer
WO1995021372A1 (en) * 1994-02-04 1995-08-10 Acutus Industries, Inc. Shear web load cell having thermal compensation
GB2310288A (en) * 1996-02-17 1997-08-20 John Karl Atkinson A force sensitive device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1472294A (en) * 1974-12-18 1977-05-04 Welwyn Electric Ltd Strain measuring device
US5222399A (en) * 1991-02-01 1993-06-29 Fel-Pro Incorporated Load washer
WO1995021372A1 (en) * 1994-02-04 1995-08-10 Acutus Industries, Inc. Shear web load cell having thermal compensation
GB2310288A (en) * 1996-02-17 1997-08-20 John Karl Atkinson A force sensitive device

Also Published As

Publication number Publication date
GB2326719A (en) 1998-12-30
GB9813171D0 (en) 1998-08-19
GB9712835D0 (en) 1997-08-20

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20020619

728V Application for restoration filed (sect. 28/1977)
728Y Application for restoration allowed (sect. 28/1977)
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20140619