GB671392A - Improvements in and relating to apparatus adapted for use as gravimeters - Google Patents

Improvements in and relating to apparatus adapted for use as gravimeters

Info

Publication number
GB671392A
GB671392A GB1295749A GB1295749A GB671392A GB 671392 A GB671392 A GB 671392A GB 1295749 A GB1295749 A GB 1295749A GB 1295749 A GB1295749 A GB 1295749A GB 671392 A GB671392 A GB 671392A
Authority
GB
United Kingdom
Prior art keywords
frequency
oscillator
beat
weight
beats
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
GB1295749A
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.)
BENJAMIN CHAPMAN BROWNE
REGINALD LESLIE GLEAVE GILBERT
Original Assignee
BENJAMIN CHAPMAN BROWNE
REGINALD LESLIE GLEAVE GILBERT
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 BENJAMIN CHAPMAN BROWNE, REGINALD LESLIE GLEAVE GILBERT filed Critical BENJAMIN CHAPMAN BROWNE
Priority to GB1295749A priority Critical patent/GB671392A/en
Publication of GB671392A publication Critical patent/GB671392A/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)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)

Abstract

671,392. Frequency measuring. BROWNE, B. C., and GILBERT, R. L. G. Aug. 16, 1950 [May 16, 1949; March 13, 1950], Nos. 12957/49 and 6272/50. Class 37. [Also in Group XXXVIII] Relates to a device for measuring gravity, weight or vertical acceleration comprising a weight 1 tensioning a filament 2 variations in the frequency of transverse vibrations being measured, and consists in means for compensating for variations due to temperature, creep, &c. The strip vibrates between the poles of a magnet 8 and is in the feed-back path of an oscillator whose frequency thus varies with the tension. To measure variation in frequency the output of the oscillator is beat with each of three phases from a crystal controlled oscillator to produce three phase beats which are applied to a synchronous motor which makes one rotation for each beat, the beats being counted by a gear train and dials. This arrangement differentiates between frequencies greater and frequencies less than the standard, and allows integration over a period of time.
GB1295749A 1949-05-16 1949-05-16 Improvements in and relating to apparatus adapted for use as gravimeters Expired GB671392A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1295749A GB671392A (en) 1949-05-16 1949-05-16 Improvements in and relating to apparatus adapted for use as gravimeters

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1295749A GB671392A (en) 1949-05-16 1949-05-16 Improvements in and relating to apparatus adapted for use as gravimeters

Publications (1)

Publication Number Publication Date
GB671392A true GB671392A (en) 1952-05-07

Family

ID=10014219

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1295749A Expired GB671392A (en) 1949-05-16 1949-05-16 Improvements in and relating to apparatus adapted for use as gravimeters

Country Status (1)

Country Link
GB (1) GB671392A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4517841A (en) * 1983-01-06 1985-05-21 Sundstrand Data Control, Inc. Accelerometer with beam resonator force transducer
WO1990003557A1 (en) * 1988-09-28 1990-04-05 The Slope Indicator Company Vibrating strip transducer
GB2465634A (en) * 2008-11-28 2010-06-02 Gravitec Instr Ltd Gravitational gradiometer
CN112346140A (en) * 2020-10-15 2021-02-09 北京航天控制仪器研究所 Strapdown marine gravimeter host stabilizing device

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4517841A (en) * 1983-01-06 1985-05-21 Sundstrand Data Control, Inc. Accelerometer with beam resonator force transducer
WO1990003557A1 (en) * 1988-09-28 1990-04-05 The Slope Indicator Company Vibrating strip transducer
US4914962A (en) * 1988-09-28 1990-04-10 The Slope Indicator Co. Vibrating strip transducer
GB2465634A (en) * 2008-11-28 2010-06-02 Gravitec Instr Ltd Gravitational gradiometer
GB2465634B (en) * 2008-11-28 2012-10-03 Gravitec Instr Ltd Gravitational gradiometer
US8714010B2 (en) 2008-11-28 2014-05-06 Gravitec Instruments Limited Gravitational gradiometer
CN112346140A (en) * 2020-10-15 2021-02-09 北京航天控制仪器研究所 Strapdown marine gravimeter host stabilizing device
CN112346140B (en) * 2020-10-15 2022-10-14 北京航天控制仪器研究所 Host stabilizing device of strapdown marine gravimeter

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