IPC 7 English version G01B 9/00-G01B 121:26

IPC ⁷ English version

G - G01B 7/34

G01B00900-G01B12126

SECTION G – PHYSICS

G 01

MEASURING (counting G06M); TESTING

G 01 B

MEASURING LENGTH, THICKNESS, OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS (measuring human body, see the relevant places, where such exist, e.g. A41H 1/00, A43D 1/02, A61B 5/103; measuring appliances combined with walking-sticks A45B 3/08; sorting according to dimensions B07; methods or devices for measuring, specially adapted for metal-rolling mills B21B 38/00; tool-setting or drawing instruments not specially modified for measuring B23B 49/00, B23Q 15/00 to B23Q 17/00, B43L; measuring or gauging equipment specially adapted for grinding or polishing operations B24B 49/00; combinations of measuring devices with writing-implements B43K 29/08; geodetical, nautical or aeronautical measuring, surveying, rangefinding G01C; photogrammetry G01C 11/00; measuring force or stress, in general G01L 1/00; investigating or analysing surface structures in atomic ranges using scanning-probe techniques G01N 13/00; investigating or analysing particle size, investigating or analysing surface area of porous material G01N 15/00; radio direction-finding, determining distance or velocity by use of propagation effects, e.g. Doppler effect, propagation time, of radio waves, analogous arrangements using other waves G01S; geophysical measuring G01V; measuring length or roll diameter of film in cameras or projectors G03B 1/60; combinations of measuring devices with means for controlling or regulating G05; methods or arrangements for converting the position of a manually-operated writing or tracing member into an electrical signal G06K 11/00; measuring elapsed travel of recording medium in recording or playback equipment, sensing diameter of record in autochange gramophones G11B; details of scanning-probe apparatus, in general G12B 21/00; means structurally associated with electric rotary current collectors for indicating brush wear H01R 39/58; indicating consumption of electrodes in arc lamps H05B 31/34)

Instruments as specified in the subgroups and characterised by the use of optical measuring means (arrangements for measuring particular parameters G01B 11/00) [2]

Interferometers

021

using holographic techniques [2]

023

for contour producing (G01B 9/025 to G01B 9/029 take precedence) [2]

025

Double-exposure technique [2]

027

in real time [2]

029

by time averaging [2]

Measuring microscopes (microscopes in general G02B 21/00)

Measuring telescopes (telescopes in general G02B 23/00)

Optical projection comparators

Goniometers for measuring angles between surfaces

11/

Measuring arrangements characterised by the use of optical means (instruments of the types covered by group G01B 9/00 per se G01B 9/00) [2]

11/

for measuring length, width, or thickness (G01B 11/08 takes precedence)

11/

by measuring coordinates of points [3]

11/

specially adapted for measuring length or width of objects while moving

11/

for measuring thickness

11/

for measuring diameters

11/

of objects while moving

11/

internal diameters

11/

for measuring distance or clearance between spaced objects or spaced apertures (G01B 11/26 takes precedence; rangefinders G01C)

11/

for measuring the deformation in a solid, e.g. optical strain gauge

11/

for measuring depth

11/

for measuring contours or curvatures

11/

245

using a plurality of fixed, simultaneously operating transducers (G01B 11/255 takes precedence) [7]

11/

by projecting a pattern, e.g. moiré fringes, on the object (G01B 11/255 takes precedence) [7]

11/

255

for measuring radius of curvature [7]

11/

for measuring angles or tapers; for testing the alignment of axes

11/

for testing the alignment of axes

11/

275

for testing wheel alignment

11/

for measuring areas (integrators in general G06G)

11/

for measuring roughness or irregularity of surfaces

13/

Measuring arrangements characterised by the use of fluids

13/

for measuring length, width, or thickness (G01B 13/08 takes precedence)

13/

by measuring coordinates of points [3]

13/

specially adapted for measuring length or width of objects while moving

13/

for measuring thickness

13/

for measuring diameters

13/

internal diameters

13/

for measuring distance or clearance between spaced objects or spaced apertures (G01B 13/18 takes precedence)

13/

for measuring depth

13/

for measuring contours or curvatures

13/

for measuring angles or tapers; for testing the alignment of axes

13/

for testing the alignment of axes

13/

195

for testing wheel alignment

13/

for measuring areas, e.g. pneumatic planimeter (integrators in general G06G)

13/

for measuring roughness or irregularity of surfaces

13/

for measuring the deformation in a solid [3]

15/

Measuring arrangements characterised by the use of wave or particle radiation (G01B 9/00, G01B 11/00 take precedence) [4]

15/

for measuring thickness

15/

for measuring contours or curvatures

15/

for measuring the deformation in a solid

15/

for measuring roughness or irregularity of surfaces [6]

17/

Measuring arrangements characterised by the use of infrasonic, sonic, or ultrasonic vibrations [4]

17/

for measuring thickness

17/

for measuring the deformation in a solid, e.g. by vibrating string

17/

for measuring contours or curvatures [6]

17/

for measuring roughness or irregularity of surfaces [6]

21/

Measuring arrangements or details thereof in so far as they are not adapted to particular types of measuring means of the preceding groups [3]

Note

Measuring arrangements or details thereof covered by two or more of groups G01B 3/00 to G01B 17/00 are classified in this group if no single other group can be selected as being predominantly applicable.

21/

for measuring length, width, or thickness (G01B 21/10 takes precedence) [3]

21/

by measuring coordinates of points [3]

21/

specially adapted for measuring length or width of objects while moving [3]

21/

for measuring thickness [3]

21/

for measuring diameters [3]

21/

of objects while moving [3]

21/

internal diameters [3]

21/

for measuring distance or clearance between spaced objects [3]

21/

for measuring depth [3]

21/

for measuring contours or curvatures, e.g. determining profile [3]

21/

for measuring angles or tapers; for testing the alignment of axes [3]

21/

for testing the alignment of axes [3]

21/

for testing wheel alignment [3]

21/

for measuring areas (integrators in general G06G) [3]

21/

for measuring roughness or irregularity of surfaces [3]

21/

for measuring the deformation in a solid [3]

Indexing scheme associated with groups G01B 5/00 to G01B 21/00, relating to the transducer types and the things being measured. The indexing codes should be unlinked [6]

Note

Attention is drawn to Chapter IV of the Guide which sets forth the rules concerning the application and presentation of the different types of indexing code. [6]

101:

Transducers of the electrical or magnetic type [6]

101:

Hall-effect devices; Magneto-resistive devices [6]

101:

Piezo-electric devices [6]

101:

Potentiometers with moving wiper [6]

101:

Resistance strain gauges [6]

101:

Magnetostrictive devices [6]

101:

Variable capacitance devices [6]

101:

Electrochemical devices [6]

101:

Devices using impedance discontinuity, e.g. in transmission lines [6]

101:

Transistor- or diode-transducer devices [6]

103:

Transducers of the optical type [6]

103:

Interference devices [6]

103:

Photoelastic devices [6]

103:

Devices using brittle lacquers [6]

103:

Devices using obturation of optical beams [6]

105:

Transducers of other types [6]

105:

Arrangements using fluid techniques [6]

105:

Arrangements using X-rays, particle beams or the like [6]

105:

Scanning-tunnelling microscopes [6]

105:

Arrangements using acoustics [6]

121:

Things being measured [6]

121:

Coatings [6]

121:

Sheet or web materials [6]

121:

Cables or wires [6]

121:

Gears; Gear teeth (helical teeth G01B 121:10) [6]

121:

Screw threads [6]

121:

Propellers; Turbine blades [6]

121:

Wheels; Tyres [6]

121:

Rail track features; Road surface features [6]

121:

Spherical surfaces, e.g. balls, lenses [6]

121:

Bearings [6]

121:

Translucent or light-permeable materials [6]

121:

Profiles (spherical surfaces G01B 121:18) [6]

121:

Holes [6]

G - G01B 7/34