G
SECTION G — PHYSICS
  
INSTRUMENTS
 G01
MEASURING (counting G06M); TESTING
 G01V
GEOPHYSICS; DETECTING HIDDEN MASSES (measuring chemical or physical properties of earth materials G01N; measuring electric or magnetic quantities in general, other than direction or magnitude of the earth's field G01R; involving both the emission and reception of radio waves, other electromagnetic waves, or sonic waves G01S)
 G01V

Note(s)

  1. Attention is drawn to the notes immediately following the class title (G01).
  2. Within this sub-class, the word "prospecting" includes the detection of masses hidden in the earth or in other places.
 G01V 1/00
Seismology; Seismic prospecting; Acoustic prospecting
 G01V 1/02
·  Generating seismic energy (blasting in general F42; nuclear explosives G21J)
 G01V 1/04
·  ·  Details
 G01V 1/06
·  ·  ·  Ignition devices
 G01V 1/08
·  ·  ·  ·  involving time-delay devices
 G01V 1/10
·  ·  by using single explosive charge
 G01V 1/12
·  ·  by using more than one explosive charge
 G01V 1/13
·  ·  ·  Arrangements or disposition of charges to produce a desired pattern in space or time
 G01V 1/14
·  ·  by repeated or continuous agitation of the ground, without the use of explosive charges
 G01V 1/16
·  Receiving elements for seismic signals (electromechanical transducers H04R); Arrangements or adaptations of receiving elements
 G01V 1/18
·  ·  Receiving elements, e.g. seismometer, geophone  [2]
 G01V 1/20
·  ·  Arrangements of receiving elements, e.g. geophone pattern
 G01V 1/22
·  Transmitting seismic signals to recording or processing apparatus (signal-transmitting systems in general G08C; electric transmission systems H04B)
 G01V 1/24
·  Recording seismic data (transforming one recording into another G01V 1/32; recording measured values in general G01D)
 G01V 1/26
·  ·  Reference-signal-transmitting devices, e.g. indicating moment of firing of shot
 G01V 1/28
·  Processing seismic data, e.g. analysis, for interpretation, for correction (computing in general G06)
 G01V 1/30
·  ·  Analysis
 G01V 1/32
·  ·  Transforming one recording into another
 G01V 1/34
·  ·  Displaying seismic recordings
 G01V 1/36
·  ·  Effecting static or dynamic corrections on records, e.g. correcting spread; Correlating seismic signals; Eliminating effects of unwanted energy
 G01V 1/38
·  specially adapted for water-covered areas (G01V 1/28 takes precedence)
 G01V 1/40
·  specially adapted for well-logging
 G01V 3/00
Electric or magnetic prospecting; Measuring the magnetic field of the earth, e.g. declination, deviation (for navigation, for surveying G01C; measuring direction or magnitude of magnetic fields in general G01R 33/02)  [2]
 G01V 3/02
·  operating with propagation of electric current
 G01V 3/04
·  ·  using direct current
 G01V 3/06
·  ·  using alternating current
 G01V 3/08
·  operating with magnetic or electric fields produced or modified either by the object or the detecting device (with electromagnetic waves G01V 3/12)
 G01V 3/10
·  ·  using induction coils
 G01V 3/12
·  operating with electromagnetic waves
 G01V 3/14
·  operating with electron or nuclear magnetic resonance
 G01V 3/16
·  specially adapted for use from aircraft
 G01V 3/18
·  specially adapted for well-logging
 G01V 5/00
Prospecting by the use of nuclear radiation, e.g. of natural or induced radioactivity (determining the properties of materials G01N; measuring nuclear radiation G01T)
 G01V 7/00
Measuring gravitational field of the earth; Gravimetric prospecting
 G01V 7/02
·  Details
 G01V 7/04
·  ·  Electric, photoelectric, or magnetic indicating or recording means
 G01V 7/06
·  ·  Analysis or interpretation of gravimetric records
 G01V 7/08
·  using balances (balances in general G01G)
 G01V 7/10
·  ·  using torsion balances, e.g. Eötvös balance
 G01V 7/12
·  using pendulums
 G01V 7/14
·  using free-fall time
 G01V 7/16
·  specially adapted for use on moving platforms, e.g. ship, aircraft
 G01V 9/00
Prospecting by methods not provided for in groups G01V 1/00-G01V 7/00
 G01V 9/02
·  Determining existence or flow of underground water
 G01V 11/00
Prospecting by methods combining techniques covered by two or more of main groups G01V 1/00-G01V 9/00
 G01V 13/00
Manufacturing, calibrating, cleaning, or repairing instruments or devices covered by the preceding groups