IPC Definitions - January 01, 2012

G01N 29/00 - Definition fr

Definition statement

This main group covers:

Investigating or analysing materials by using sound waves (also called acoustic waves).

Visualisation of the interior of solid objects by using sound waves, e.g. acoustic microscopy.

Instruments, e.g. probes, for investigating or analysing by use of sound waves.

References relevant to classification in this main group

This main group does not cover:

Investigating strength properties of solid materials by application of mechanical stress

G01N 3/00

Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid

G01N 5/00

Analysing materials by measuring the pressure or volume of a gas or vapour

G01N 7/00

Investigatingdensity or specific gravity of materials; analysing materials by determining density or specific gravity

G01N 9/00

Investigating flow properties of materials, e.g. viscosity, plasticity; analysing materials by determining flow properties

G01N 11/00

Investigating surface or boundary effects, e.g. wetting power; investigating diffusion effects; analysing materials by determining surface, boundary, or diffusion effects

G01N 13/00

Investigating characteristics of particles; investigatingpermeability, pore-volume, or surface-area of porous materials

G01N 15/00

Investigating resistance of materials to the weather, to corrosion, or to light

G01N 17/00

Investigatingmaterials by mechanical methods

G01N 19/00

Investigating or analysing materials by the use of optical means, i.e. using infra-red, visible, or ultra-violet light

G01N 21/00

Investigating or analysing materials by the use of microwaves

G01N 22/00

Investigating or analysing materials by the use of other wave or particle radiation, e.g. X-rays or neutrons

G01N 23/00

Investigating or analysing materials by the use of nuclear magnetic resonance, electron paramagnetic resonance or other spin effects

G01N 24/00

Investigating or analysing materials by the use of thermal means

G01N 25/00

Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means

G01N 27/00
Examples of places where the subject matter of this group is covered when specially adapted, used for a particular purpose, or incorporated into a larger system:

Medical or veterinary diagnosis on the human or animal body using ultrasonic, sonic or infrasonic waves, e.g. examination of body cavities or body tracts

A61B 8/00

Informative references

Attention is drawn to the following places, which may be of interest for search:

Sampling; preparing specimens for investigation

G01N 1/00

Specific materials

G01N 33/00

Automatic analysis; handling materials therefor

G01N 35/00

Generating mechanical vibrations in solids

B06B

Use of ultrasonic, sonic or infrasonic vibrations for measuring roughness or irregularity of surfaces, or for measuring the deformation in a solid

G01B 17/00

Measuring or indicating of mechanical vibrations or ultrasonic, sonic or infrasonic waves

G01H

Systems for direction-finding, navigation, locating, presence-detecting using the reflection or reradiation of acoustic waves, e.g. sonar systems

G01S 15/00

Prospecting or detecting by the use of seismic or acoustic means

G01V 5/00

Obtaining records by techniques analogous to photography using ultrasonic, sonic or infrasonic waves

G03B 42/06

Control of mechanical oscillations

G05D 19/00

Image analysis

G06T 7/00

Generating mechanical vibrations in fluids

G10K