JPS6161610B2 - - Google Patents

Info

Publication number
JPS6161610B2
JPS6161610B2 JP56052028A JP5202881A JPS6161610B2 JP S6161610 B2 JPS6161610 B2 JP S6161610B2 JP 56052028 A JP56052028 A JP 56052028A JP 5202881 A JP5202881 A JP 5202881A JP S6161610 B2 JPS6161610 B2 JP S6161610B2
Authority
JP
Japan
Prior art keywords
seismometer
flux density
adjust
magnetic flux
magnetic
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
JP56052028A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57166526A (en
Inventor
Haruhisa Saito
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP56052028A priority Critical patent/JPS57166526A/ja
Publication of JPS57166526A publication Critical patent/JPS57166526A/ja
Publication of JPS6161610B2 publication Critical patent/JPS6161610B2/ja
Granted legal-status Critical Current

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)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Geophysics And Detection Of Objects (AREA)
JP56052028A 1981-04-07 1981-04-07 Seismometer Granted JPS57166526A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56052028A JPS57166526A (en) 1981-04-07 1981-04-07 Seismometer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56052028A JPS57166526A (en) 1981-04-07 1981-04-07 Seismometer

Publications (2)

Publication Number Publication Date
JPS57166526A JPS57166526A (en) 1982-10-14
JPS6161610B2 true JPS6161610B2 (enrdf_load_stackoverflow) 1986-12-26

Family

ID=12903352

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56052028A Granted JPS57166526A (en) 1981-04-07 1981-04-07 Seismometer

Country Status (1)

Country Link
JP (1) JPS57166526A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6344209U (enrdf_load_stackoverflow) * 1986-09-10 1988-03-24

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2788163B1 (fr) * 1998-12-30 2001-03-16 Sextant Avionique Actionneur electromagnetique equipe de moyens d'ajustement de la position de son element polaire mobile

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6344209U (enrdf_load_stackoverflow) * 1986-09-10 1988-03-24

Also Published As

Publication number Publication date
JPS57166526A (en) 1982-10-14

Similar Documents

Publication Publication Date Title
US2348225A (en) Magnetic seismometer
US4412317A (en) Transducer for picking up mechanical vibrations, in particular seismic waves, and a seismic measuring system including such a transducer
US4159464A (en) Geophone with damping coil
EP1314052B1 (en) Geophone and method of manufacturing a geophone
US4026178A (en) Magnetic pickup for stringed musical instrument
DE69220342T2 (de) Lautsprecherapparat zur Basswiedergabe
US2111643A (en) Seismometer
EP0434702B1 (en) A geophone system
GB2055529A (en) Electroacoustic transducer for hearing aids
AU2001280015A1 (en) Vibration Sensor and Method of Seismic Surveying
EP0606705A2 (en) Acoustic pick-up assembly
US3989905A (en) Microphone
US2562983A (en) Frequency-adjustable seismic wave detector
US3576955A (en) Armature assembly for magnetic-type phonograph pickup
US2657374A (en) Suspension system for seismograph detectors
US2591795A (en) Vibration detector
US4237349A (en) Compact moving-coil pickup of low weight and high quality
JPS6161610B2 (enrdf_load_stackoverflow)
US2788511A (en) Lightweight seismometer
JPH11186049A (ja) 可変リニアリティコイル
US3065456A (en) Self-orienting vibration detector
RU2030767C1 (ru) Сейсмограф
US2443969A (en) Vibration pickup
US2643367A (en) Magnetostriction seismometer
US2641719A (en) Detonation meter pickup