GB8914784D0 - Improvements relating to strain gauges - Google Patents

Improvements relating to strain gauges

Info

Publication number
GB8914784D0
GB8914784D0 GB898914784A GB8914784A GB8914784D0 GB 8914784 D0 GB8914784 D0 GB 8914784D0 GB 898914784 A GB898914784 A GB 898914784A GB 8914784 A GB8914784 A GB 8914784A GB 8914784 D0 GB8914784 D0 GB 8914784D0
Authority
GB
United Kingdom
Prior art keywords
strain gauges
improvements relating
relating
gauges
strain
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.)
Granted
Application number
GB898914784A
Other versions
GB2234629B (en
GB2234629A (en
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.)
Fehr Ivor J M
Original Assignee
Fehr Ivor J M
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 Fehr Ivor J M filed Critical Fehr Ivor J M
Priority to GB8914784A priority Critical patent/GB2234629B/en
Publication of GB8914784D0 publication Critical patent/GB8914784D0/en
Publication of GB2234629A publication Critical patent/GB2234629A/en
Application granted granted Critical
Publication of GB2234629B publication Critical patent/GB2234629B/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
    • G01L1/00—Measuring force or stress, in general
    • G01L1/18—Measuring force or stress, in general using properties of piezo-resistive materials, i.e. materials of which the ohmic resistance varies according to changes in magnitude or direction of force applied to the material
    • 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
    • G01L1/2287—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 constructional details of the strain gauges
    • G01L1/2293—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 constructional details of the strain gauges of the semi-conductor type
GB8914784A 1989-06-28 1989-06-28 Improvements relating to strain gauges Expired - Fee Related GB2234629B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8914784A GB2234629B (en) 1989-06-28 1989-06-28 Improvements relating to strain gauges

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8914784A GB2234629B (en) 1989-06-28 1989-06-28 Improvements relating to strain gauges

Publications (3)

Publication Number Publication Date
GB8914784D0 true GB8914784D0 (en) 1989-08-16
GB2234629A GB2234629A (en) 1991-02-06
GB2234629B GB2234629B (en) 1993-01-27

Family

ID=10659163

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8914784A Expired - Fee Related GB2234629B (en) 1989-06-28 1989-06-28 Improvements relating to strain gauges

Country Status (1)

Country Link
GB (1) GB2234629B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2584201B2 (en) * 1994-01-14 1997-02-26 インターナショナル・ビジネス・マシーンズ・コーポレイション Power transducer, computer system and keyboard
KR0145092B1 (en) * 1994-04-29 1998-08-17 윌리엄 티 엘리스 Pointing device transducer using thick film resistor strain sensors
US6184865B1 (en) 1996-10-23 2001-02-06 International Business Machines Corporation Capacitive pointing stick apparatus for symbol manipulation in a graphical user interface
DE19814261A1 (en) * 1998-03-31 1999-10-14 Mannesmann Vdo Ag Strain sensitive resistance
GB2343953A (en) * 1998-11-18 2000-05-24 Autoliv Dev A sensor arrangement with a deformable region
US7150199B2 (en) 2003-02-19 2006-12-19 Vishay Intertechnology, Inc. Foil strain gage for automated handling and packaging
US6969809B2 (en) 2003-09-22 2005-11-29 Cts Corporation Vehicle seat weight sensor
WO2016135994A1 (en) * 2015-02-25 2016-09-01 東日本旅客鉄道株式会社 Structure for strain detection

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1333167A (en) * 1971-02-23 1973-10-10 Peak Components Ltd Strain measuremenet
IT206727Z2 (en) * 1985-09-17 1987-10-01 Marelli Autronica THICK FILM EXTENSIMETRIC SENSOR FOR DETECTION OF STRESSES AND DEFORMATIONS IN ORGANS OR MECHANICAL STRUCTURES

Also Published As

Publication number Publication date
GB2234629B (en) 1993-01-27
GB2234629A (en) 1991-02-06

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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: 20000628

728V Application for restoration filed (sect. 28/1977)
PCNP Patent ceased through non-payment of renewal fee

Free format text: ERRATUM: PATENT NO. GB2234629 SENSIT LIMITED IMPROVEMENTS RELATING TO STRAIN GAUGES. REINSTATEMENT OF THE PATENT UNDER THE PROVISIONS OF RULE 100 IS BEING CONSIDERED.

7281 Application for restoration withdrawn (sect. 28/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20050628