IPC Definitions - January 01, 2012
G01B - Definition
This subclass covers:
Instruments and methods for measuring
Relationship between large subject matter areas
The general subject matters of measuring linear dimensions, distances, or angles is covered by several subclasses besides G01B:
G01C Measuring distances, levels, or bearings, surveying; navigation; gyroscopic instruments, photogrammetry or videogrammetry.
G01S radio direction finding; radio navigation; determining distance or velocity by use of radio waves; locating or presence detecting by use of the reflection or reradiation of radio waves; analogous arrangements using other waves.
When propagation effects of waves are relevant for such measurements G01S is in general the appropriate subclass.
For measuring ground distance between points in geodesy, surveying, and navigation G01C is the appropriate subclass when no radio waves are used or when propagation effects of waves other than radio waves are not relevant.
References relevant to classification in this subclass
This subclass does not cover:
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 |
Measuring methods or devices specially adapted for metal-rolling mills | B21B 38/00 |
Measuring, gauging or adjusting equipment for machines for working metal or other material | B23B 25/06 |
Measuring or gauging equipment specially adapted for grinding or polishing operations | B24B 33/06, B24B 49/00 |
Combinations of measuring devices with writing-implements | B43K 29/08 |
Devices for metering predetermined lengths of running material | B65H 61/00 |
Measuring devices for spinning or twisting machines | D01H 13/32 |
Measuring devices for determining the length of threads in sewing machines | D05B 45/00 |
Devices for checking, measuring, recording existing surfacing of roads or like structures, e.g. profilographs | E01C 23/01 |
Measuring diameter of boreholes or wells | E21B 47/08 |
Geodetical, nautical or aeronautical measuring, surveying, rangefinding | G01C |
Photogrammetry or videogrammetry | G01C 11/00 |
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 |
Measuring length or roll diameter of film in cameras or projectors | G03B 1/60 |
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 |
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 |
Attention is drawn to the following places, which may be of interest for search:
Sorting according to dimensions | B07 |
Marking textile materials; Marking in combination with metering or inspection | D06H 1/00 |
Transducers not specially adapted for a specific variable | G01D 5/00 |
Methods or apparatus for determining the capacity of containers or cavities, or the volume of solid bodies | G01F 17/00 |
Measuring force or stress, in general | G01L 1/00 |
Testing static or dynamic balance of machines or structures; testing structures or apparatus not otherwise provided for | G01M |
Investigating or analyzing surface structures in atomic ranges using scanning-probe techniques | G01Q 10/00-G01Q 90/00 |
Geophysical measuring | G01V |
Combinations of measuring devices with means for controlling or regulating | G05 |
Special rules of classification
In this subclass, the groups are distinguished by the means of measurement which is of major importance. Thus the mere application of other means for giving a final indication does not affect the classification.
Machines operated on similar principles to the hand-held devices specified in this subclass are classified with these devices.
In this subclass, the following terms or expressions are used with the meaning indicated:
Propagation effects | are relevant if the outcome of a measurement depends on the actual value of a physical quantity characterising the propagation of the wave, i.e. its wavelength, frequency, velocity, or phase. The mere presence or direction of a wave are not considered a propagation effect or to contribute to a propagation effect. To put it in another way, propagation effects are irrelevant, if the radiation may be looked upon as a beam of radiation whose wave nature can be ignored. Examples of measurements where propagation effects are relevant include e.g. measurements of propagation time, phase difference, phase delay, measurements using the Doppler effect, or interference. |