GB1219165A - Torsionally resonant gravity gradient sensor - Google Patents

Torsionally resonant gravity gradient sensor

Info

Publication number
GB1219165A
GB1219165A GB51181/68A GB5118168A GB1219165A GB 1219165 A GB1219165 A GB 1219165A GB 51181/68 A GB51181/68 A GB 51181/68A GB 5118168 A GB5118168 A GB 5118168A GB 1219165 A GB1219165 A GB 1219165A
Authority
GB
United Kingdom
Prior art keywords
sensor
frequency
transducer
dipoles
resonant
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
GB51181/68A
Other languages
English (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.)
Raytheon Co
Original Assignee
Hughes Aircraft Co
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 Hughes Aircraft Co filed Critical Hughes Aircraft Co
Publication of GB1219165A publication Critical patent/GB1219165A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V7/00—Measuring gravitational fields or waves; Gravimetric prospecting or detecting
    • G01V7/08—Measuring gravitational fields or waves; Gravimetric prospecting or detecting using balances
    • G01V7/10—Measuring gravitational fields or waves; Gravimetric prospecting or detecting using balances using torsion balances, e.g. Eötvös balance

Landscapes

  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Magnetic Bearings And Hydrostatic Bearings (AREA)
  • Force Measurement Appropriate To Specific Purposes (AREA)
GB51181/68A 1968-02-02 1968-10-29 Torsionally resonant gravity gradient sensor Expired GB1219165A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US70261868A 1968-02-02 1968-02-02

Publications (1)

Publication Number Publication Date
GB1219165A true GB1219165A (en) 1971-01-13

Family

ID=24821961

Family Applications (1)

Application Number Title Priority Date Filing Date
GB51181/68A Expired GB1219165A (en) 1968-02-02 1968-10-29 Torsionally resonant gravity gradient sensor

Country Status (8)

Country Link
US (1) US3564921A (enExample)
JP (1) JPS499782B1 (enExample)
CH (1) CH499116A (enExample)
DE (1) DE1805048B2 (enExample)
FR (1) FR1591216A (enExample)
GB (1) GB1219165A (enExample)
NL (1) NL6815655A (enExample)
SE (1) SE342702B (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2376752A (en) * 2001-06-21 2002-12-24 Univ Open Gravity meter

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3630086A (en) * 1970-06-22 1971-12-28 Massachusetts Inst Technology Centrifugal-balance gravity gradiometer
JPS5512311U (enExample) * 1978-07-10 1980-01-26
JPS6137780U (ja) * 1984-07-30 1986-03-08 宏 田口 釣用品掛棒
DE3824950A1 (de) * 1988-07-22 1990-01-25 Koehler Karl Ludwig Messgeraet zur registrierung von gravitationsfeldern
US5505555A (en) * 1988-12-20 1996-04-09 Rtz Mining And Exploration Ltd. Flexural pivot bearing
WO1990007131A1 (en) * 1988-12-20 1990-06-28 Rtz Mining And Exploration Ltd. Gravity gradiometer
US5668315A (en) * 1988-12-20 1997-09-16 The University Of Western Australia Gravity gradiometer with flexural pivot bearing
AU643627B2 (en) * 1988-12-20 1993-11-18 Rtz Mining And Exploration Ltd. Flexural pivot bearing
GEP20012371B (en) * 1994-10-04 2001-02-25 Gravitec Instruments Ltd Method and Apparatus for Measurement of Quasistationary Gravitational Fields and Method and Apparatus for Measurement of Non-Diagonal Components of Gravitation Tensor
CA2429828C (en) * 2000-11-28 2011-02-08 Business Arts Inc. Gravity gradiometry
GB0123270D0 (en) * 2001-09-27 2001-11-21 Gravitec Instr Ltd Apparatus for the measurement of gravitational gradients
AU2006299724B2 (en) * 2005-10-06 2011-04-07 Technological Resources Pty. Limited Gravity gradiometer
CA2690958C (en) * 2006-11-20 2015-06-30 Technological Resources Pty Limited A gravity gradiometer
WO2008061277A1 (en) 2006-11-20 2008-05-29 Technological Resources Pty Limited A gravity gradiometer
WO2008061274A1 (en) 2006-11-20 2008-05-29 Technological Resources Pty Limited A gravity gradiometer
WO2008061275A1 (en) 2006-11-20 2008-05-29 Technological Resources Pty Limited A gravity gradiometer
CA2690891C (en) * 2006-11-20 2014-11-04 Technological Resources Pty Limited A gravity gradiometer
WO2008061272A1 (en) * 2006-11-20 2008-05-29 Technological Resources Pty Limited A gravity gradiometer
BRPI0702880A2 (pt) * 2006-11-23 2011-03-22 Tech Resources Pty Ltd gradiÈmetro de gravidade
WO2008061283A1 (en) * 2006-11-23 2008-05-29 Technological Resources Pty. Limited Compensation for unwanted accelerations in a gravity gradiometer
CA2612860C (en) 2006-11-23 2015-02-03 Technological Resources Pty Limited Gravity gradiometer
EP1949140A4 (en) * 2006-11-23 2010-12-08 Tech Resources Pty Ltd GRADIOMETER OF GRAVITY
BRPI0702878A2 (pt) 2006-11-23 2011-03-22 Tech Resources Pty Ltd gradiÈmetro de gravidade e método para formar uma nervura de flexão no mesmo
CA2612902C (en) 2006-11-23 2015-05-19 Technological Resources Pty Limited Gravity gradiometer
CA2612683A1 (en) * 2006-11-23 2008-05-23 Technological Resources Pty. Limited Gravity gradiometer
US8201448B2 (en) * 2008-10-24 2012-06-19 Gedex Inc. Gravity gradiometer with torsion flexure pivots
US8069725B2 (en) * 2008-10-24 2011-12-06 Martin Vol Moody Gravity gradiometer with torsion flexure pivots
GB2465634B (en) * 2008-11-28 2012-10-03 Gravitec Instr Ltd Gravitational gradiometer
GB2471662B (en) 2009-07-03 2014-06-11 Gravitec Instr Ltd Gravitational gradiometer
JP5578667B2 (ja) * 2010-05-28 2014-08-27 学校法人立教学院 ねじれ秤による微小力測定装置及び微小力測定方法並びに埋没物体の探査方法
WO2015069254A1 (en) * 2013-11-07 2015-05-14 Moore Russell David Rotational gravity gradiometer
CA3041107A1 (en) * 2016-10-21 2018-04-26 The University Of Western Australia Intrinsic gravity gradiometer and gravity gradiometry
CN107491093B (zh) * 2017-07-13 2020-11-13 华北水利水电大学 一种大功率供电路径跟踪识别装置及方法
CN115856089B (zh) * 2022-12-14 2024-07-09 东莞理工学院 用于钢轨系统螺栓松动的超声非线性边带检测方法

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2376752A (en) * 2001-06-21 2002-12-24 Univ Open Gravity meter
US6668646B1 (en) 2001-06-21 2003-12-30 The Open University Gravity meter
GB2376752B (en) * 2001-06-21 2004-06-16 Univ Open Gravity meter

Also Published As

Publication number Publication date
US3564921A (en) 1971-02-23
JPS499782B1 (enExample) 1974-03-06
DE1805048B2 (de) 1971-10-14
NL6815655A (enExample) 1969-08-05
CH499116A (de) 1970-11-15
DE1805048A1 (de) 1969-08-14
FR1591216A (enExample) 1970-04-27
SE342702B (enExample) 1972-02-14

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