NL268232A - - Google Patents

Info

Publication number
NL268232A
NL268232A NL268232DA NL268232A NL 268232 A NL268232 A NL 268232A NL 268232D A NL268232D A NL 268232DA NL 268232 A NL268232 A NL 268232A
Authority
NL
Netherlands
Application number
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.)
Publication of NL268232A publication Critical patent/NL268232A/xx

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
    • G01V1/16—Receiving elements for seismic signals; Arrangements or adaptations of receiving elements
    • G01V1/18—Receiving elements, e.g. seismometer, geophone or torque detectors, for localised single point measurements
    • G01V1/181—Geophones

Landscapes

  • Engineering & Computer Science (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Acoustics & Sound (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geology (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)
NL268232D 1961-08-15 NL268232A (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL268232 1961-08-15

Publications (1)

Publication Number Publication Date
NL268232A true NL268232A (sv)

Family

ID=19753226

Family Applications (1)

Application Number Title Priority Date Filing Date
NL268232D NL268232A (sv) 1961-08-15

Country Status (3)

Country Link
US (1) US3239804A (sv)
DE (1) DE1236215B (sv)
NL (1) NL268232A (sv)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3310792A (en) * 1963-05-20 1967-03-21 Burroughs Corp Magnetic head mount apparatus
AT272497B (de) * 1968-01-31 1969-07-10 Hoerbiger Ventilwerke Ag Federplatte für Mehrringventile
US3742441A (en) * 1970-03-25 1973-06-26 Mark Products Seismometer
US3738445A (en) * 1971-09-07 1973-06-12 E Wilson Seismometer spring suspension system
US3913063A (en) * 1973-09-21 1975-10-14 Walker Hall Sears Inc Geophone with plastic coilform
US4144520A (en) * 1977-02-03 1979-03-13 Geo Space Corporation Geophone having electromagnetic damping means
US4144765A (en) * 1977-09-21 1979-03-20 Honeywell Inc. Linear accelerometer with torsion hinge suspension
NL175856C (nl) * 1979-12-21 1987-12-16 Terra Dynamics B V Omzetter voor het opnemen van mechanische trillingen en een met een dergelijke omzetter gevormde seismometer, benevens een schakeling voor het in subgroepen onderverdelen van een aantal van zulke seismometers.
US4418337A (en) * 1981-08-03 1983-11-29 Spectrol Electronics Corporation Alarm device
US4400861A (en) * 1981-11-27 1983-08-30 Oyo Instruments, Inc. Fabrication of seismic springs from sheets
US5343637A (en) * 1988-12-21 1994-09-06 Jerry Schindler Shoe and elastic sole insert therefor
CA2006299A1 (en) * 1988-12-21 1990-06-21 Jerry Schindler Shoe and elastic sole insert therefor
USD327840S (en) 1989-09-29 1992-07-14 Fairchild Industrial Products Company Flexible leaf suspension spring
US6922374B2 (en) * 2001-04-09 2005-07-26 Input/Output, Inc. Double-ended geophone
USD805889S1 (en) * 2016-03-24 2017-12-26 Flsmidth A/S Leaf spring
KR102216806B1 (ko) * 2019-04-05 2021-02-18 (주)로보티즈 가변 강성 탄성체 및 이를 가지는 액츄에이터 모듈

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2748370A (en) * 1951-06-26 1956-05-29 Seismograph Service Corp Seismometer
US2754435A (en) * 1952-09-29 1956-07-10 Int Research & Dev Co Ltd Voltage generating vibratory pick-up devices
GB763560A (en) * 1954-11-23 1956-12-12 Kelvin & Hughes Ltd Improvements in or relating to spring suspension devices

Also Published As

Publication number Publication date
DE1236215B (de) 1967-03-09
US3239804A (en) 1966-03-08

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