EG25957A - Gravity gradiometer - Google Patents

Gravity gradiometer

Info

Publication number
EG25957A
EG25957A EGNA2007000866A EG25957A EG 25957 A EG25957 A EG 25957A EG NA2007000866 A EGNA2007000866 A EG NA2007000866A EG 25957 A EG25957 A EG 25957A
Authority
EG
Egypt
Prior art keywords
gravity gradiometer
gradiometer
gravity
Prior art date
Application number
Other languages
English (en)
Inventor
Frank Joachim Vankann
John Winterflood
Original Assignee
Tech Resources Pty Ltd
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
Priority claimed from AU2005905524A external-priority patent/AU2005905524A0/en
Application filed by Tech Resources Pty Ltd filed Critical Tech Resources Pty Ltd
Application granted granted Critical
Publication of EG25957A publication Critical patent/EG25957A/xx

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01VGEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V7/00Measuring gravitational fields or waves; Gravimetric prospecting or detecting
    • G01V7/16Measuring gravitational fields or waves; Gravimetric prospecting or detecting specially adapted for use on moving platforms, e.g. ship, aircraft

Landscapes

  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • 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)
  • Gyroscopes (AREA)
  • Testing Or Calibration Of Command Recording Devices (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
  • Measuring Fluid Pressure (AREA)
  • Ink Jet (AREA)
  • Force Measurement Appropriate To Specific Purposes (AREA)
  • Containers, Films, And Cooling For Superconductive Devices (AREA)
  • Testing Of Balance (AREA)
EGNA2007000866 2005-10-06 2007-08-19 Gravity gradiometer EG25957A (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
AU2005905524A AU2005905524A0 (en) 2005-10-06 Gravity gradiometer
AU2005906669A AU2005906669A0 (en) 2005-11-29 Gravity Gradiometer
AU2006900193A AU2006900193A0 (en) 2006-01-13 Gravity gradiometer
PCT/AU2006/001273 WO2007038822A1 (en) 2005-10-06 2006-08-31 Gravity gradiometer

Publications (1)

Publication Number Publication Date
EG25957A true EG25957A (en) 2012-11-13

Family

ID=37905899

Family Applications (3)

Application Number Title Priority Date Filing Date
EGNA2007000866 EG25957A (en) 2005-10-06 2007-08-19 Gravity gradiometer
EGNA2007000867 EG25958A (en) 2005-10-06 2007-08-19 Gravity gradiometer for measuring components of the gravity gradient tensor
EGNA2007000865 EG25956A (en) 2005-10-06 2007-08-19 Gravity gradiometer

Family Applications After (2)

Application Number Title Priority Date Filing Date
EGNA2007000867 EG25958A (en) 2005-10-06 2007-08-19 Gravity gradiometer for measuring components of the gravity gradient tensor
EGNA2007000865 EG25956A (en) 2005-10-06 2007-08-19 Gravity gradiometer

Country Status (14)

Country Link
US (13) US20080282796A1 (xx)
EP (8) EP1932022A4 (xx)
JP (4) JP2009510461A (xx)
CN (9) CN101322046B (xx)
AP (4) AP2456A (xx)
AU (8) AU2006299723B2 (xx)
BR (4) BRPI0609472B1 (xx)
CA (8) CA2598623A1 (xx)
EA (4) EA012274B1 (xx)
EG (3) EG25957A (xx)
MX (4) MX2007010303A (xx)
NZ (4) NZ560702A (xx)
WO (8) WO2007038822A1 (xx)
ZA (8) ZA200707479B (xx)

Families Citing this family (44)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ZA200707479B (en) 2005-10-06 2008-11-26 Tech Resources Pty Ltd Gravity gradiometer
WO2008061274A1 (en) * 2006-11-20 2008-05-29 Technological Resources Pty Limited A gravity gradiometer
AU2007249127A1 (en) 2006-11-20 2008-06-05 Technological Resources Pty. Limited A gravity gradiometer
CA2690891C (en) * 2006-11-20 2014-11-04 Technological Resources Pty Limited A gravity gradiometer
CA2691032A1 (en) 2006-11-20 2008-05-29 Technological Resources Pty Limited A gravity gradiometer
CA2690886A1 (en) * 2006-11-20 2008-05-29 Technological Resources Pty Limited A gravity gradiometer
WO2008061276A1 (en) * 2006-11-20 2008-05-29 Technological Resources Pty Limited A gravity gradiometer
WO2008061283A1 (en) * 2006-11-23 2008-05-29 Technological Resources Pty. Limited Compensation for unwanted accelerations in a gravity gradiometer
EP1949140A4 (en) * 2006-11-23 2010-12-08 Tech Resources Pty Ltd GRADIOMETER OF GRAVITY
WO2008061282A1 (en) 2006-11-23 2008-05-29 Technological Resources Pty Limited Gravity gradiometer
WO2008061278A1 (en) * 2006-11-23 2008-05-29 Technological Resources Pty Limited Gravity gradiometer
WO2008061281A1 (en) 2006-11-23 2008-05-29 Technological Resources Pty Limited Gravity gradiometer
ZA200710808B (en) 2006-11-23 2009-03-25 Tech Resources Pty Ltd Gravity gradiometer
CA2612683A1 (en) * 2006-11-23 2008-05-23 Technological Resources Pty. Limited Gravity gradiometer
US8375785B2 (en) * 2007-09-06 2013-02-19 Lockheed Martin Corporation Gravity gradiometer system
CN101592536B (zh) * 2008-05-30 2012-09-26 鸿富锦精密工业(深圳)有限公司 重力感测器及其应用的便携式电子设备
EA027249B1 (ru) * 2008-09-25 2017-07-31 Текнолоджикал Ресорсиз Пти Лтд. Детектор для обнаружения градиента силы тяжести
AP2010005518A0 (en) * 2008-09-25 2010-12-31 Tech Resources Pty Ltd A gravity gradiometer.
AU2009295360B2 (en) * 2008-09-25 2014-12-04 Technological Resources Pty Ltd A gravity gradiometer
WO2010045738A1 (en) * 2008-10-24 2010-04-29 Gedex Inc. Gravity gradiometer with torsion flexure pivots
AU2009308266B2 (en) * 2008-10-24 2015-08-13 Martin Vol Moody Gravity gradiometer with torsion flexure pivots
DE102008043788A1 (de) * 2008-11-17 2010-05-20 Robert Bosch Gmbh Mikromechanisches Bauelement
US8359920B2 (en) * 2009-05-15 2013-01-29 Lockheed Martin Corp. Gravity sensing instrument
GB201003355D0 (en) 2010-03-01 2010-04-14 Moir Christopher I A method and apparatus for the measurement of earth's gravity and gravity gradient
US20130055808A1 (en) * 2010-03-29 2013-03-07 Frank Joachim Van Kann Gravity gradiometer with correction of external disturbance
US8616038B2 (en) * 2010-06-02 2013-12-31 Standard Lifters, Inc. Two-piece guide pin and method
CN102608668B (zh) * 2011-12-19 2014-07-09 华中科技大学 重力梯度测量系统及其测量方法
CN102608669B (zh) * 2012-02-22 2014-01-08 北京航空航天大学 一种具有移动与转动自由度的重力梯度柔性敏感结构
US8939005B2 (en) 2012-03-15 2015-01-27 Standard Lifters, Inc. Guide pin assembly for metal forming dies and method
US9817153B2 (en) 2012-05-22 2017-11-14 Nxt Energy Solutions, Inc. Gravity transducer system and method including a junction with a first metal and a second metal
EP2852854A4 (en) * 2012-05-22 2017-01-18 NXT Energy Solutions Inc. Gravity transducer and application to hydrocarbon exploration
US9302311B2 (en) 2013-11-22 2016-04-05 Standard Lifters, Inc. Guide pin head
CN104133252B (zh) * 2014-07-05 2017-01-11 中国科学院电工研究所 重力梯度测量辅助定位的超导磁悬浮定位装置及定位方法
CN104459826B (zh) * 2014-11-03 2017-09-26 东南大学 旋转加速度计重力梯度仪重力梯度信号仿真方法
CN104570142B (zh) * 2015-01-05 2017-02-22 中国船舶重工集团公司第七0七研究所 一种重力梯度仪重力梯度测量信号的解调方法
CN104578570B (zh) * 2015-01-05 2017-03-29 中国船舶重工集团公司第七0七研究所 一种动力学扰动旋转调制机构
CN105005087B (zh) * 2015-07-24 2017-08-25 中国电子科技集团公司第四十九研究所 一种抗干扰的单轴重力梯度仪
US10954984B2 (en) 2016-11-30 2021-03-23 Standard Lifters, Inc. Collar and shaft assembly
CN107576992B (zh) * 2017-09-04 2019-02-22 东南大学 一种重力梯度仪自标定方法及离心梯度补偿方法
CN107907915B (zh) * 2017-12-08 2024-03-19 华中科技大学 一种三分量重力仪探头及井中重力仪系统
CN108562398A (zh) * 2018-03-30 2018-09-21 临沂大学 一种物体重心测量方法
CN109212620B (zh) * 2018-08-27 2020-01-07 东南大学 动基座旋转加速度计重力梯度仪误差补偿装置及方法
CN109212619B (zh) * 2018-08-27 2020-01-07 东南大学 一种旋转加速度计重力梯度仪线运动误差补偿装置及方法
CN109709628B (zh) * 2019-02-15 2020-08-14 东南大学 一种旋转加速度计重力梯度仪标定方法

Family Cites Families (96)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3012191A (en) * 1945-11-15 1961-12-05 Charles E Miller Gradiometer
US2743415A (en) 1946-09-30 1956-04-24 Kenneth G Williams Gradiometer
US2809524A (en) 1954-01-11 1957-10-15 Exxon Research Engineering Co Automatic damping of a gravimeter
US3273397A (en) 1964-06-05 1966-09-20 Hughes Aircraft Co Measurement of static force field gradients
US3564921A (en) 1968-02-02 1971-02-23 Hughes Aircraft Co Torsionally resonant gravity gradient sensor
US3722288A (en) * 1969-01-31 1973-03-27 Hughes Aircraft Co Electromagnetic coupled detector of dynamic gravitational force gradients
US3758854A (en) * 1971-03-12 1973-09-11 Ja Zimmerman Superconductive quantum interference device having two cavities isolated by a superconductive weak link
GB1385189A (en) 1971-11-05 1975-02-26 Russell M K Remote angle measurement
US3956690A (en) * 1974-01-21 1976-05-11 Develco, Inc. Trimmed superconductive magnetic pickup coil circuits
US3926054A (en) 1974-11-11 1975-12-16 Draper Lab Charles S Gravity gradiometer
US4024468A (en) 1975-06-18 1977-05-17 White's Electronics, Inc. Induction balance metal detector with inverse discrimination
GB2075760A (en) 1979-12-28 1981-11-18 Ibm Electric rotary actuators
US4399694A (en) * 1980-12-04 1983-08-23 Sperry Corporation Gravity gradiometer compass
DE3209590A1 (de) * 1982-03-17 1983-09-29 Bodenseewerk Geosystem GmbH, 7770 Überlingen Gravimeter
US4513618A (en) * 1982-04-02 1985-04-30 Standard Oil Company (Indiana) Gravity gradiometer and method
US4809545A (en) * 1986-05-30 1989-03-07 Mobil Oil Corporation Gravimetry logging
US4803413A (en) * 1986-07-15 1989-02-07 Honeywell Inc. Magnetic isolating and pointing gimbal apparatus
US4713890A (en) 1987-01-12 1987-12-22 Cubic Corporation Mislevel sensing device
US4828376A (en) * 1987-02-17 1989-05-09 Martin Marietta Corporation Triaxis stabilized platform
US4841772A (en) * 1987-12-03 1989-06-27 University Of Maryland, College Park Three-axis superconducting gravity gradiometer
US4935883A (en) * 1988-05-17 1990-06-19 Sundstrand Data Control, Inc. Apparatus and method for leveling a gravity measurement device
US5505555A (en) * 1988-12-20 1996-04-09 Rtz Mining And Exploration Ltd. Flexural pivot bearing
CA2006145C (en) 1988-12-20 2000-02-22 Frank Joachim Van Kann Gravity gradiometer
US5668315A (en) 1988-12-20 1997-09-16 The University Of Western Australia Gravity gradiometer with flexural pivot bearing
US5130654A (en) * 1989-06-16 1992-07-14 University Of Virginia Alumni Patents Foundation Magnetolelastic amorphous metal ribbon gradiometer
FI95628C (fi) 1990-05-15 1996-02-26 Valtion Teknillinen Menetelmä ja laite pienikohinaisen anturin lähtösignaalin käsittelemiseksi
US5224380A (en) 1990-05-21 1993-07-06 The University Of Maryland Superconducting six-axis accelerometer
US5326986A (en) 1991-03-05 1994-07-05 University Of Houston - University Park Parallel N-junction superconducting interferometer with enhanced flux-to-voltage transfer function
US5339684A (en) * 1991-12-10 1994-08-23 Textron Inc. Gravity aided inertial navigation system
US5293119A (en) 1992-02-20 1994-03-08 Sqm Technology, Inc. Electromagnetic microscope for evaluation of electrically conductive and magnetic materials
RU2046380C1 (ru) 1992-04-22 1995-10-20 Пермский политехнический институт Гравитационный трехкомпонентный градиентометр
US5357802A (en) * 1993-05-07 1994-10-25 Textron, Incorporated Rotating accelerometer gradiometer
US5424592A (en) * 1993-07-01 1995-06-13 Aura Systems, Inc. Electromagnetic transducer
RU2056642C1 (ru) 1993-07-09 1996-03-20 Центральный научно-исследовательский институт "Дельфин" Гравиметр для измерения силы тяжести с движущихся носителей
US5589772A (en) 1993-07-12 1996-12-31 Sumitomo Electric Industries, Ltd. Non-destructive eddy current sensor having a squid magnetic sensor and selectively positionable magnets
DE69521235T2 (de) * 1994-03-30 2002-05-16 Oxford Instr Uk Ltd Prüfmassenträger und Erfassungsanordnung
US5962781A (en) * 1994-10-04 1999-10-05 Gravitec Instruments Limited Apparatus for the measurement of gravitational fields
US5856174A (en) * 1995-06-29 1999-01-05 Affymetrix, Inc. Integrated nucleic acid diagnostic device
AUPN951096A0 (en) 1996-04-26 1996-05-23 Commonwealth Scientific And Industrial Research Organisation Gravity meter
US5728935A (en) * 1996-08-14 1998-03-17 Czompo; Jozsef Method and apparatus for measuring gravity with lever arm correction
US5922951A (en) * 1997-06-11 1999-07-13 The Broken Hill Proprietary Company Ltd. Gravity gradiometer
US6450028B1 (en) 1997-09-06 2002-09-17 Vail, Iii William Banning Precision gravity gradiometer optically measuring density variations in gases
RU2127439C1 (ru) 1997-10-21 1999-03-10 Центральный научно-исследовательский институт "Дельфин" Гравиметр
DE19751724A1 (de) 1997-11-21 1999-07-15 Holger Dipl Ing Schuette Gerät zur Gravitationsmessung
AU1633300A (en) 1998-11-25 2000-06-13 University Of Maryland Proof mass support for accelerometers
GB2353100B (en) * 1999-08-03 2002-03-13 Schlumberger Ltd Gravity measuring apparatus
RU2156481C1 (ru) 1999-09-14 2000-09-20 Научный центр гравитационно-волновых исследований "Дулкын" Академии наук Республики Татарстан Гравитационно-волновой детектор
CN1118713C (zh) 1999-10-28 2003-08-20 中国地震局地震研究所 一种高精度重力仪
US20050236909A1 (en) * 1999-11-19 2005-10-27 Baker Robert M Jr Gravitational wave imaging
RU2167437C1 (ru) 1999-11-30 2001-05-20 Научный центр гравитационно-волновых исследований "Дулкын" АН Республики Татарстан Гравитационно-волновой детектор
RU2171481C1 (ru) 2000-02-03 2001-07-27 Бронштейн Игорь Григорьевич Кварцевый гравиметр
RU2171482C1 (ru) 2000-02-04 2001-07-27 Научный центр гравитационно-волновых исследований "Дулкын" АН Республики Татарстан Гравитационно-волновой детектор
RU2175773C1 (ru) 2000-04-24 2001-11-10 Центральный научно-исследовательский институт "Электроприбор" Гравитационный вариометр
RU2172967C1 (ru) 2000-06-05 2001-08-27 Центральный научно-исследовательский институт "Электроприбор" Гравитационный вариометр
RU2171483C1 (ru) 2000-07-17 2001-07-27 Научный центр гравитационно-волновых исследований "Дулкын" АН Республики Татарстан Гравитационно-волновой детектор
JP2002040153A (ja) 2000-07-25 2002-02-06 Fuji Photo Film Co Ltd ケース収容物の有無検出装置
JP4316777B2 (ja) 2000-07-26 2009-08-19 東京計器株式会社 重力測定装置及び方法
EP1337879B1 (en) * 2000-11-28 2005-11-02 Business Arts Inc. Gravity gradiometry
US6494091B2 (en) * 2001-02-28 2002-12-17 Gilles Couture Apparatus for measuring a gravitational attraction of the earth
US6526825B2 (en) * 2001-02-28 2003-03-04 Neozoic Geophysical Survey, Ltd. Gravity device
US6658935B1 (en) * 2001-03-07 2003-12-09 Lockheed Martin Corporation Complemented absolute/relative full-tensor gravity gradiometer system
US7821953B2 (en) * 2005-05-13 2010-10-26 Yahoo! Inc. Dynamically selecting CODECS for managing an audio message
AUPR571301A0 (en) * 2001-06-15 2001-07-12 Bhp Billiton Innovation Pty Ltd Airborne gravity gradiometers
AUPR575701A0 (en) 2001-06-18 2001-07-12 Bhp Billiton Innovation Pty Ltd Gravity surveys
GB0115413D0 (en) * 2001-06-21 2001-08-15 Univ Open Vertical gravity gradiometer
IL163669A0 (en) * 2002-02-06 2005-12-18 Univ California Squid detected nmr and mri at ultralow fields
GB2403552B (en) 2002-02-12 2005-10-26 Bhp Billiton Innovation Pty Airborne vector magnetic surveys
JP4362766B2 (ja) * 2002-03-06 2009-11-11 ロッキード マーティン コーポレーション 重力偏差計
AUPS114702A0 (en) * 2002-03-18 2002-04-18 Bhp Billiton Innovation Pty Ltd Enhancement of sensors for airborne operation
US6724188B2 (en) 2002-03-29 2004-04-20 Wavbank, Inc. Apparatus and method for measuring molecular electromagnetic signals with a squid device and stochastic resonance to measure low-threshold signals
EP1518134B1 (en) * 2002-06-28 2011-09-28 Gedex Inc. System and method for surveying underground density distributions
RU2221263C1 (ru) 2002-07-01 2004-01-10 Общество с ограниченной ответственностью Научно-производственное объединение "Петрогаз" Способ и устройство для измерения гравитационного поля
US6882937B2 (en) * 2003-02-18 2005-04-19 Pathfinder Energy Services, Inc. Downhole referencing techniques in borehole surveying
RU2242032C1 (ru) 2003-07-31 2004-12-10 Открытое акционерное общество "Раменское приборостроительное конструкторское бюро" Гравиметр
RU2253138C1 (ru) 2003-11-28 2005-05-27 Открытое акционерное общество "Нефтяные контрольно-измерительные приборы" ("Нефтекип") Гравиметр
RU2253882C1 (ru) 2003-11-28 2005-06-10 Открытое акционерное общество "Нефтяные контрольно-измерительные приборы" ("Нефтекип") Гравиметр
RU2290674C2 (ru) 2004-04-29 2006-12-27 Джамалудин Гаджиевич Таймазов Гравитационный вариометр
US7240550B2 (en) * 2004-12-07 2007-07-10 Vega Grieshaber Kg Method and apparatus for material indentification by means of gravitational field analysis
US7444867B2 (en) * 2005-01-04 2008-11-04 Bell Geospace, Inc. Accelerometer and rate sensor package for gravity gradiometer instruments
US7305879B2 (en) * 2005-03-18 2007-12-11 University Of Maryland Cross-component superconducting gravity gradiometer with improved linearity and sensitivity and method for gravity gradient sensing
US7401514B2 (en) * 2005-06-08 2008-07-22 Friedrich-Alexander-Universitat At Erlangen-Nurnberg Asymmetric torsion balance gravimeter
AU2006274414B2 (en) 2005-07-29 2012-06-28 Gedex Systems Inc. Gravity gradiometer
ZA200707479B (en) 2005-10-06 2008-11-26 Tech Resources Pty Ltd Gravity gradiometer
US7863892B2 (en) 2005-10-07 2011-01-04 Florida State University Research Foundation Multiple SQUID magnetometer
CA2691032A1 (en) * 2006-11-20 2008-05-29 Technological Resources Pty Limited A gravity gradiometer
CA2690886A1 (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
WO2008061276A1 (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
AU2007249127A1 (en) * 2006-11-20 2008-06-05 Technological Resources Pty. Limited A gravity gradiometer
CA2612683A1 (en) * 2006-11-23 2008-05-23 Technological Resources Pty. Limited Gravity gradiometer
WO2008061281A1 (en) * 2006-11-23 2008-05-29 Technological Resources Pty Limited Gravity gradiometer
WO2008061283A1 (en) 2006-11-23 2008-05-29 Technological Resources Pty. Limited Compensation for unwanted accelerations in a gravity gradiometer
ZA200710808B (en) 2006-11-23 2009-03-25 Tech Resources Pty Ltd Gravity gradiometer
WO2008061282A1 (en) 2006-11-23 2008-05-29 Technological Resources Pty Limited Gravity gradiometer
WO2008061278A1 (en) 2006-11-23 2008-05-29 Technological Resources Pty Limited Gravity gradiometer

Also Published As

Publication number Publication date
EA200701548A1 (ru) 2008-02-28
EP1932021A1 (en) 2008-06-18
EP1932028A4 (en) 2011-12-14
AU2006299724B2 (en) 2011-04-07
NZ560701A (en) 2011-02-25
EP1932022A1 (en) 2008-06-18
MX2007010303A (es) 2008-03-11
CA2598626A1 (en) 2007-04-12
CN101322049A (zh) 2008-12-10
EA012274B1 (ru) 2009-08-28
EP1932024A4 (en) 2011-11-09
WO2007038825A1 (en) 2007-04-12
ZA200707479B (en) 2008-11-26
CA2598628C (en) 2013-10-15
WO2007038819A1 (en) 2007-04-12
CN101322047A (zh) 2008-12-10
WO2007038820A1 (en) 2007-04-12
US20080236277A1 (en) 2008-10-02
US7942054B2 (en) 2011-05-17
BRPI0609473A2 (pt) 2010-04-13
WO2007038824A1 (en) 2007-04-12
CA2598597C (en) 2013-10-15
US20080163682A1 (en) 2008-07-10
US20100154536A1 (en) 2010-06-24
AU2006299723A1 (en) 2007-04-12
CN101322049B (zh) 2012-01-11
ZA200707480B (en) 2008-11-26
EP1932023A1 (en) 2008-06-18
ZA200707481B (en) 2009-09-30
ZA200707476B (en) 2008-11-26
CN101218518B (zh) 2011-09-21
EA200701550A1 (ru) 2008-02-28
CA2598467A1 (en) 2007-04-12
AP2007004131A0 (en) 2007-08-31
CN101156086A (zh) 2008-04-02
EP1932026A4 (en) 2011-11-16
JP2009510461A (ja) 2009-03-12
EP1932023A4 (en) 2011-11-09
WO2007038821A1 (en) 2007-04-12
EP1932021A4 (en) 2011-11-16
EP1932022A4 (en) 2011-11-16
MX2007010300A (es) 2008-02-12
EA011644B1 (ru) 2009-04-28
EA200701549A1 (ru) 2008-02-28
MX2007010301A (es) 2008-03-04
EA012192B1 (ru) 2009-08-28
EP1932025B1 (en) 2013-04-10
CA2598599A1 (en) 2007-04-12
ZA200707515B (en) 2008-11-26
AU2006299729A1 (en) 2007-04-12
AU2006299727A1 (en) 2007-04-12
US20100095766A1 (en) 2010-04-22
EP1932025A4 (en) 2011-11-16
CN101322046B (zh) 2012-07-04
AU2006299723B2 (en) 2011-07-21
AU2006299726B2 (en) 2011-06-02
CN102353997A (zh) 2012-02-15
CN101156088B (zh) 2011-09-07
AU2006299728B2 (en) 2011-07-28
US20100154537A1 (en) 2010-06-24
ZA200707477B (en) 2008-11-26
AU2006299727B2 (en) 2011-07-21
NZ560700A (en) 2011-02-25
AP2238A (en) 2011-05-26
CN101156087A (zh) 2008-04-02
US8074515B2 (en) 2011-12-13
JP2009510460A (ja) 2009-03-12
EP1932025A1 (en) 2008-06-18
AP2161A (en) 2010-11-01
US20100095765A1 (en) 2010-04-22
CN101156086B (zh) 2012-10-31
EP1932026A1 (en) 2008-06-18
WO2007038823A1 (en) 2007-04-12
AU2006299722B2 (en) 2011-07-21
BRPI0609471A2 (pt) 2010-04-13
EP1932027A1 (en) 2008-06-18
WO2007038818A1 (en) 2007-04-12
BRPI0609471B1 (pt) 2018-04-24
US20080302180A1 (en) 2008-12-11
AU2006299725A1 (en) 2007-04-12
EA012913B1 (ru) 2010-02-26
AU2006299728A1 (en) 2007-04-12
AU2006299725B2 (en) 2011-03-24
ZA200707478B (en) 2008-11-26
AU2006299726A1 (en) 2007-04-12
CN101322048B (zh) 2011-09-07
EP1932024A1 (en) 2008-06-18
EP1932028A1 (en) 2008-06-18
US20100107756A1 (en) 2010-05-06
CN102353997B (zh) 2015-09-16
EA200701551A1 (ru) 2008-02-28
MX2007010302A (es) 2008-03-13
WO2007038822A1 (en) 2007-04-12
US20090260433A1 (en) 2009-10-22
EG25958A (en) 2012-11-13
CA2598626C (en) 2013-10-15
BRPI0609472B1 (pt) 2018-05-22
AU2006299722A1 (en) 2007-04-12
CN101322046A (zh) 2008-12-10
EG25956A (en) 2012-11-13
US7980130B2 (en) 2011-07-19
US20080257038A1 (en) 2008-10-23
CA2598628A1 (en) 2007-04-12
BRPI0609474A2 (pt) 2010-04-13
BRPI0609472A2 (pt) 2010-04-13
EP1932024B1 (en) 2013-01-02
AU2006299729B2 (en) 2011-07-28
US20080307883A1 (en) 2008-12-18
CN101322048A (zh) 2008-12-10
ZA200707475B (en) 2008-11-26
CN101322047B (zh) 2012-09-19
CA2598597A1 (en) 2007-04-12
US20080302179A1 (en) 2008-12-11
NZ560702A (en) 2011-02-25
CA2598623A1 (en) 2007-04-12
US7938003B2 (en) 2011-05-10
CN101218518A (zh) 2008-07-09
EP1932021B1 (en) 2015-10-07
NZ560699A (en) 2011-02-25
CA2598625A1 (en) 2007-04-12
AP2007004130A0 (en) 2007-08-31
AP2456A (en) 2012-09-01
AP2183A (en) 2010-11-30
CA2598599C (en) 2013-08-27
US7823448B2 (en) 2010-11-02
US7975544B2 (en) 2011-07-12
US20080282796A1 (en) 2008-11-20
CA2598635A1 (en) 2007-04-12
US7784343B2 (en) 2010-08-31
US7788974B2 (en) 2010-09-07
CA2598625C (en) 2013-11-19
EP1932027B1 (en) 2015-03-18
CN101156088A (zh) 2008-04-02
JP2009510458A (ja) 2009-03-12
EP1932027A4 (en) 2011-11-16
AU2006299724A1 (en) 2007-04-12
JP2009510459A (ja) 2009-03-12

Similar Documents

Publication Publication Date Title
EG25956A (en) Gravity gradiometer
ZA200801887B (en) Gravity gradiometer
ZA200710809B (en) Gravity gradiometer
ZA200710805B (en) Gravity gradiometer
ZA200710808B (en) Gravity gradiometer
ZA200710807B (en) Gravity gradiometer
ZA200710806B (en) Gravity gradiometer
EP1949140A4 (en) GRADIOMETER OF GRAVITY
AU2005905524A0 (en) Gravity gradiometer
AU2005906669A0 (en) Gravity Gradiometer
GB0501834D0 (en) How gravity works
GB0504633D0 (en) Gravity electricity
AU2006900193A0 (en) Gravity gradiometer
AU2006906558A0 (en) Gravity gradiometer
AU2006906559A0 (en) Gravity gradiometer
AU2006906564A0 (en) Gravity gradiometer
AU2006906563A0 (en) Gravity gradiometer
AU2006906562A0 (en) Gravity gradiometer
AU2006906561A0 (en) Gravity gradiometer
AU2006906557A0 (en) Gravity gradiometer
AU2006906560A0 (en) Gravity gradiometer
GB0510360D0 (en) Mozen weight