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; investigating or analysing earth materials by determining their chemical or physical properties G01N; measuring electric or magnetic variables in general, other than direction or magnitude of the earth's field G01R; electronic or nuclear magnetic resonance arrangements in general G01R 33/20; radar, sonar or analogous methods in general, detecting masses or objects involving these methods G01S)
 G01V

Note(s)

  1. In this subclass, the geophysical methods apply both to the earth and to other celestial objects, e.g. planets.
  2. Attention is drawn to the Notes following the title of class G01.
 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)  [3]
 G01V 1/08
·  ·  ·  ·  involving time-delay devices
 G01V 1/09
·  ·  ·  Transporting arrangements, e.g. on vehicles (G01V 1/38 takes precedence)  [3]
 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 1/13
·  ·  ·  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 1/143
·  ·  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, 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; electronic or nuclear magnetic resonance arrangements in general G01R 33/20)
 G01V 3/02 - 
G01V 3/14

Note(s)

Groups G01V 3/15-G01V 3/34 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)  [3]
 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