G
SECTION G — PHYSICS
  
INSTRUMENTS
 G01
MEASURING (counting G06M); TESTING
 G01V
GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS (detecting or locating foreign bodies for diagnostic, surgical or person-identification purposes A61B; means for indicating the location of accidentally buried, e.g. snow-buried, persons A63B 29/02; measuring chemical or physical properties of earth materials G01N; measuring electric or magnetic variables in general, other than direction or magnitude of the earth's field G01R; radar, sonar or analogous methods G01S 13/00, G01S 15/00, G01S 17/00)
 G01V

Note(s)

  1. Attention is drawn to the notes immediately following the class title (G01).
  2. The geophysical methods of this sub-class apply both to the earth and to other celestial objects, e.g. planets.
 G01V 1/00
Seismology; Seismic or acoustic prospecting or detecting
 G01V 1/02
·  Generating seismic energy (blasting in general F42; nuclear explosives G21J)
 G01V 1/04
·  ·  Details
 G01V 1/047
·  ·  ·  Arrangements for coupling the generator to the ground  [3]
 G01V 1/053
·  ·  ·  ·  for generating transverse waves  [3]
 G01V 1/06
·  ·  ·  Ignition devices (G01V 1/393 takes precedence)
 G01V 1/08
·  ·  ·  ·  involving time-delay devices
 G01V 1/09
·  ·  ·  Transporting arrangements, e.g. on vehicles (G01V 1/38 takes precedence)  [3]
 G01V 1/10
( transferred to G01V 1/104 )
 G01V 1/104
·  ·  using explosive charges (G01V 1/157 takes precedence)  [3]
 G01V 1/108
·  ·  ·  by deforming or displacing surfaces of enclosures  [3]
 G01V 1/112
·  ·  ·  ·  for use on the surface of the earth  [3]
 G01V 1/116
·  ·  ·  where pressurised combustion gases escape from the generator in a pulsating manner, e.g. for generating bursts  [3]
 G01V 1/12
( transferred to G01V 1/104 )
 G01V 1/13
·  ·  ·  Arrangements or disposition of charges to produce a desired pattern in space or time
 G01V 1/133
·  ·  using fluidic driving means, e.g. using highly pressurised fluids (G01V 1/104 takes precedence)  [3]
 G01V 1/135
·  ·  ·  by deforming or displacing surfaces of enclosures  [3]
 G01V 1/137
·  ·  ·  which fluids escape from the generator in a pulsating manner, e.g. for generating bursts  [3]
 G01V 1/14
( transferred to G01V 1/133, G01V 1/143 )
 G01V 1/143
·  ·  using mechanical driving means (G01V 1/104, G01V 1/133 takes precedence)  [3]
 G01V 1/145
·  ·  ·  by deforming or displacing surfaces  [3]
 G01V 1/147
·  ·  ·  using impact of dropping masses  [3]
 G01V 1/153
·  ·  ·  using rotary unbalanced masses  [3]
 G01V 1/155
·  ·  ·  using reciprocating masses  [3]
 G01V 1/157
·  ·  using spark discharges; using exploding wires (spark gaps, non-enclosed discharge apparatus, not otherwise provided for H01T)  [3]
 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 1/37
·  ·  ·  specially adapted for seismic systems using continuous agitation of the ground  [3]
 G01V 1/38
·  specially adapted for water-covered areas (G01V 1/28 takes precedence)
 G01V 1/387
·  ·  Reducing secondary bubble pulse, i.e. reducing the detected signals resulting from the generation and release of gas bubbles after the primary explosion  [3]
 G01V 1/393
·  ·  Means for loading explosive underwater charges, e.g. combined with ignition devices  [3]
 G01V 1/40
·  specially adapted for well-logging
 G01V 3/00
Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation (for navigation, for surveying G01C)  [2]
 G01V 3/02 - 
G01V 3/14

Note(s)

Groups G01V 3/15 and G01V 3/18 take precedence over groups G01V 3/02-G01V 3/14[3]

 G01V 3/02
·  operating with propagation of electric current
 G01V 3/04
·  ·  using dc
 G01V 3/06
·  ·  using ac
 G01V 3/08
·  operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices (with electromagnetic waves G01V 3/12; measuring the magnetic field characteristics of the earth G01V 3/40)
 G01V 3/10
·  ·  using induction coils
 G01V 3/11
·  ·  ·  for detecting conductive objects, e.g. firearms, cables or pipes  [3]
 G01V 3/12
·  operating with electromagnetic waves
 G01V 3/14
·  operating with electron or nuclear magnetic resonance
 G01V 3/15
·  specially adapted for use during transport, e.g. by a person, vehicle or boat  [3]
 G01V 3/16
·  ·  specially adapted for use from aircraft (G01V 3/165-G01V 3/175 take precedence)
 G01V 3/165
·  ·  operating with magnetic or electric fields produced or modified by the object or by the detecting device (with electromagnetic waves G01V 3/17)  [3]
 G01V 3/17
·  ·  operating with electromagnetic waves  [3]
 G01V 3/175
·  ·  operating with electron or nuclear magnetic resonance  [3]
 G01V 3/18
·  specially adapted for well-logging
 G01V 3/20
·  ·  operating with propagation of electric current  [3]
 G01V 3/22
·  ·  ·  using dc  [3]
 G01V 3/24
·  ·  ·  using ac  [3]
 G01V 3/26
·  ·  operating with magnetic or electric fields produced or modified either by the surrounding earth formation or by the detecting device (with electromagnetic waves G01V 3/30)  [3]
 G01V 3/28
·  ·  ·  using induction coils  [3]
 G01V 3/30
·  ·  operating with electromagnetic waves  [3]
 G01V 3/32
·  ·  operating with electron or nuclear magnetic resonance  [3]
 G01V 3/34
·  ·  Transmitting data to recording or processing apparatus; Recording data  [3]
 G01V 3/36
·  Recording data (G01V 3/34 takes precedence)  [3]
 G01V 3/38
·  Processing data, e.g. for analysis, for interpretation, for correction (computing in general G06)  [3]
 G01V 3/40
·  specially adapted for measuring magnetic field characteristics of the earth  [3]
 G01V 5/00
Prospecting or detecting by the use of nuclear radiation, e.g. of natural or induced radioactivity (determining the properties of materials G01N; measuring nuclear radiation G01T)
 G01V 5/02
·  specially adapted for surface logging, e.g. from aircraft  [3]
 G01V 5/04
·  specially adapted for well-logging  [3]
 G01V 5/06
·  ·  for detecting naturally radioactive minerals  [3]
 G01V 5/08
·  ·  using primary nuclear radiation sources or X-rays  [3]
 G01V 5/10
·  ·  ·  using neutron sources  [3]
 G01V 5/12
·  ·  ·  using gamma- or X-ray sources  [3]
 G01V 5/14
·  ·  ·  using a combination of several sources, e.g. a neutron and a gamma source  [3]
 G01V 7/00
Measuring gravitational fields or waves; Gravimetric prospecting or detecting
 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 or detecting by methods not provided for in groups G01V 1/00-G01V 7/00
 G01V 9/02
·  Determining existence or flow of underground water
 G01V 9/04
·  by optical means, e.g. light barriers (counting of objects carried by a conveyer G06M 7/00; signalling or calling arrangements G08B; detecting movement of traffic to be counted or controlled G08G 1/01; discharge tubes detecting the presence of radiation H01J 40/00, H01J 47/00; semiconductor devices sensitive to light H01L 31/00; proximity switches H03K 17/945)  [3]
 G01V 11/00
Prospecting or detecting 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