F-Term-List

G01B21/00-21/20,102;21/22-21/32

AA00
CONTENT TO BE MEASURED

AA01

AA02

AA03

AA04

AA06

. Positions or coordinates

. . in one dimension

. . in two dimensions

. . in three dimensions

. . Displacement or amount of movement

AA12

AA13

AA14

AA15

AA16

AA17

. . Special objects *

. . . Centres

. . . Centres of gravity

. . . Ends

. . . Welded sections

. . . Positional deviations (AA21 takes precedence)

AA21

AA24

. Amount of eccentricity or concentricity

. Amount of wear

AA31

AA32

AA33

AA34

AA35

AA38

AA39

AA40

. Length

. . Lengths along curved lines

. . . Circumferences of objects to be measured

. . Lengths of moving directions

. . . Residual length

. . Diameters

. . . External diameters

. . . Internal diameters

AA42

AA43

AA44

AA46

AA47

AA49

. . Heights

. . Depths

. . Gaps

. . Thickness or wall thickness

. . . Distributions of thickness or wall thickness

. . Widths

AA51

AA52

AA53

AA54

AA55

AA56

AA57

AA58

AA60

. Shape parameters

. . Bend or cambers

. . Curvature or radius of curvature

. . Smoothness or flatness

. . Straightness

. . Circularity

. . Surface roughness

. . Other specified shape parameters *

. Surface irregularities i.e. defects or unevenness

AA61

AA62

AA63

AA64

AA66

AA68

. Contours

. . of straight-line scanning

. . of flat-surface scanning

. . In-plane patterns

. . Three-dimensional freely formed curved surfaces

. Deformation

AA71

AA72

AA73

AA74

AA75

AA77

AA78

AA79

. Angles

. . Angles formed by two straight lines

. . . Bending angles

. . . Angles of one straight line with respect to reference

. . . Conveyance directions being reference

. . Surface angles

. . . Angle of one surface with respect to reference

. . . Two surfaces

AA82

AA83

AA84

AA85

AA86

AA87

AA88

AA90

. . Taper angles

. . Rotational angles

. . . Crank angles

. . . . Reference positions

. . . Steering angles

. . . . Neutral positions

. . . Torsion angles

. . Special angles *

AA91

AA93

AA96

AA97

AA98

AA99

. Front and back discrimination

. Attitudes of objects

. Area or volume

. Detection of overlapping

. Detection of contact

. Others *

BB00
TYPE OF OBJECT TO BE MEASURED

BB01

BB02

BB04

BB05

BB06

BB07

BB08

BB09

BB10

. Machine tools

. . Blades or tools

. Robots or manipulators

. Pistons

. Pedals

. Rolling mill rolls

. Bearings

. . Ball bearings or roller bearings

. Control rods or fuel rods

BB11

BB12

BB13

BB14

BB15

BB17

BB19

BB20

. Stakes

. Raising-and-lowering objects

. Electronic components

. Printed circuit boards

. Wafers

. Disks

. Steel plates

. Films or sheets

BB21

BB22

BB24

BB25

BB26

BB27

BB28

BB29

BB30

. Automobiles or trains

. Ships

. Road surfaces

. Tracks

. Overhead wires

. Wheels

. Tyres

. Endless belts

. Propellers

BB31

BB32

BB34

BB36

BB38

BB40

. Fishing lines

. Containers

. Continuously conveyed bodies including elongated bodies

. Non-continuously conveyed bodies

. Holes or protrusions

. Others *

CC00
SHAPE OF OBJECT TO BE MEASURED

CC01

CC02

CC03

CC04

CC05

CC06

CC07

CC08

CC09

CC10

. Hollow-shaped

. . Cylindrical or tubular

. Annular

. Pole-shaped

. . Cylindrical

. Plate-shaped or thin films

. . Discs

. Spherical

. Linear

. Others *

DD00
PURPOSE

DD01

DD02

DD03

DD04

DD05

DD06

DD08

DD09

. Protection of measuring systems

. Detection of abnormalities in measuring systems

. . Detection of disconnection

. Reduction in power consumption

. Insulation

. Improvement in durability or wear resistance

. Prevention of malfunctions

. Prevention of vibrations

DD11

DD12

DD13

DD15

DD16

DD17

DD19

DD20

. Countermeasures against inertia

. Countermeasures against positional deviations

. Countermeasures against dust water or stain

. Improvement in measuring speeds

. Automation of measurement

. Remote measurement

. Improvement of resolution

. Enlargement of measuring ranges

DD21

DD22

DD24

DD25

DD26

DD27

DD30

. Centring

. Detection of origins

. Improvement of visibility

. Facilities of operation

. Facilities of manufacture

. Reduction in weight or sizes

. Others *

EE00
CORRECTION OR COMPENSATION

EE01

EE02

EE03

EE04

EE05

EE06

EE07

EE08

EE09

EE10

. Causes

. . Temperature

. . Vibrations

. . Mechanical systems

. . . Backlashes

. . Scales

. . Sizes of feeler terminals

. . Deformations due to measuring pressures

. . Bending guide materials

. . Circular arc errors

EE11

EE12

EE13

EE14

EE20

. . Eccentricity

. . Bias

. . Circuits

. . . Time characteristics

. . Other specified causes *

EE21

EE22

EE23

EE24

EE26

. Means

. . Electrical means

. . . storing corrected values or coefficients

. . . . Thermal expansion coefficients

. . Mechanical means

FF00
CALIBRATION OR ADJUSTMENT

FF01

FF03

FF05

FF07

. Zero-point adjustments

. Sensitivity or gain adjustments

. Magnification adjustments

. characterised by standards used in calibration

GG00
MEASURING METHOD

GG01

GG02

GG04

GG06

GG07

GG08

GG09

. Contact types

. . Measuring pressures

. Non-contact types

. using electrical or magnetic means

. using optical means

. using waves or particle radiations

. using ultrasonic waves

GG11

GG12

GG13

GG14

GG15

GG16

GG17

GG18

GG19

GG20

. Direct measurement

. . Positions of measuring points

. . . Three points or four points (Attention is drawn to GG50.)

. . Measuring directions

. Indirect measurement

. . Temperature

. . Stress

. . Loads

. . Vibration

. . Other specified variables *

GG21

GG22

GG23

GG24

GG25

GG26

GG27

GG28

GG29

GG30

. Methods for converting linear displacement into rotational displacement

. . converting into rotational displacement of screws

. . converting into rotational displacement of measuring wheels

. . converting into rotational displacement of conveying rollers

. . converting into rotational displacement of winding rollers

. . . Rotation comparison methods

. Methods for converting rotational displacement into linear displacement

. Feeler angle detection methods

. Feeler angle linearly displaced conversion methods

. using tapers

GG31

GG33

GG35

GG37

GG39

. measuring time

. determining straight lines

. determining flat surfaces

. using vertical lines

. carrying out repeated measurements

GG41

GG43

GG45

GG47

GG48

GG49

GG50

. integrating speeds angular speeds or acceleration rates

. using wires or ropes

. using marks

. Limiting measuring area methods

. Bridging methods

. measuring length using measuring-worm systems (Assignment of marks)

. using three-point methods (Attention is drawn to GG13.)

GG51

GG52

GG54

GG56

GG58

GG59

GG60

. measuring from inner surfaces

. measuring from outer surfaces

. measuring by making moulds

. combining with other physical quantities

. using a plurality of detectors

. . using different types of detectors

. . . Rough or dense

GG61

GG62

GG63

GG64

GG65

GG66

GG67

GG68

. Number of gauge heads

. . One

. . Two

. . Three

. . Several pieces

. . Many

. . . One-dimensional

. . . Two-dimensional

GG71

GG72

GG73

GG74

GG75

GG77

GG78

. performing comparisons to reference

. . for storing reference

. . Measuring reference data

. . Reference values obtained from measured values

. . overlapping with masters

. . Selection carried out after comparisons with reference

. . . eliminating defective products

HH00
MEASURING DEVICE

HH01

HH02

HH04

HH05

HH07

HH09

. Touch probes

. Displacement probes or spindle-type devices

. Lever systems including limit switches

. . with long arms and minute angles

. Proximity switches

. Non-contact displacement meters or distance meters

HH11

HH12

HH13

HH14

HH15

. Encoders

. . Absolute

. . Incremental

. . Linear

. . Rotary

HH21

HH23

HH24

HH25

HH26

HH27

HH28

HH30

. Slide types

. Vernier calliper-types

. Micrometer-types

. Measuring-tape-types

. Curvimeters

. Pigs for measuring use

. Electronic scales

. Others *

JJ00
SCANNING

JJ01

JJ02

JJ04

JJ05

JJ06

JJ07

JJ08

JJ10

. Scanning by detectors

. . by fixed detectors

. . by movable detectors

. . . Translation

. . . . in one dimension

. . . . in two dimensions

. . . . in three dimensions

. . . Rotation

JJ11

JJ12

JJ13

JJ14

JJ15

JJ17

JJ19

. Scanning by objects

. . Translation

. . . in one dimension

. . . in two dimensions

. . . in three dimensions

. . Rotation

. Scanning using combination of detectors and objects

JJ21

JJ22

JJ23

JJ24

JJ25

JJ26

JJ27

JJ28

JJ30

. Scanning procedures

. . Discrete scanning

. . . Equal spacing

. . . Unequal spacing

. . Continuous scanning

. . Programmed scanning

. . . determined in advance

. . . determined subsequent to a first scanning

. . Speed adjustments

KK00
MEASUREMENT ENVIRONMENT

KK01

KK03

KK05

KK07

KK08

KK10

. inside tubes

. inside furnaces or nuclear reactors

. inside water or in muddy water

. at low temperature

. at high temperature

. Others *

LL00
FEELER OR SPINDLE

LL01

LL02

LL03

LL04

LL06

LL07

LL08

LL10

. Shapes of feelers or spindle terminals

. . Spherical

. . Needle-like

. . Other specified shapes *

. Holding or support of feelers or spindles

. . rotatable

. . with three point supports

. Replacement of feelers

LL11

LL13

. Feeler resetting means

. Feeler contacting directions

MM00
SPECIFIC STRUCTURE

MM01

MM02

MM03

MM04

MM07

MM08

MM09

MM10

. Holding or supporting means or installation structures

. . of objects to be measured

. . . using vacuum adsorption

. . of detectors

. . of main scales

. . . installed on spindles

. . . . Scales mounted in series on spindles

. . . . Scales mounted in parallel to spindles

MM11

MM13

MM14

MM15

MM17

MM18

MM20

. Structures of scales per se

. Sliders scanning units or the like

. . with sliding rollers

. . Structures of sliding surfaces

. Housing structures

. . sharing internal pressures

. Deceleration mechanisms

MM21

MM23

MM24

MM26

. Means for imparting measuring pressures

. Mounting tables

. . X-Y tables

. Guiding means or rails

MM31

MM32

MM33

MM34

MM36

MM37

MM38

MM40

. Driving devices

. . of probes

. . of spindles

. . of mounting tables

. . operated by joysticks

. . Operating speeds being limited

. . Devices with rough and fine movements

. Drive-stopping devices

NN00
SIGNAL PROCESSING

NN01

NN02

NN03

NN04

NN05

NN06

NN07

NN08

NN09

NN10

. Directional discrimination e.g. directions of rotations or proceeding

. Filtering

. . High-pass filters

. . Low-pass filters

. Differentiating signals

. Integrating signals (NN07 takes precedence)

. Fourier transform or inverse Fourier transform

. performing analogue-digital (A/D) conversions

. detecting maximum or minimum values

. detecting local maximum or local minimum points

NN11

NN12

NN13

NN15

NN16

NN17

NN18

NN19

NN20

. detecting inflection points

. detecting abruptly changed sections

. Correlation computations

. solving simultaneous equations (NN16 takes precedence)

. seeking approximate expressions

. . Least squares method

. . Polynomial approximations

. . Trigonometric polynomial approximations

. . . Sine wave approximations

NN21

NN22

NN25

NN26

. Interpolation

. multiplying equations

. Statistical processing

. . seeking average values

PP00
PRE-PROCESSING OF MEASUREMENT

PP01

PP02

PP04

PP06

PP07

PP08

PP09

PP10

. Positioning of objects to be measured

. . using mounting tables

. Processing of objects to be measured for measurement

. Conveyance

. . using conveyors

. . using rotating tables

. . . further rotating around rotating tables

. . using inclinations

QQ00
DISPLAY

QQ01

QQ02

QQ03

QQ04

QQ05

QQ07

QQ08

QQ09

QQ10

. Display contents

. . Upper limits or lower limits

. . Errors or alarms

. . Switching of unit systems

. . Processing displays of measured results

. Display means

. . Liquid crystals

. . Light-emitting diodes

. . Cathode-ray tubes (CRT)

QQ11

QQ12

QQ13

QQ14

QQ16

QQ17

QQ18

QQ19

. Display methods

. . Analogue and digital systems

. . Printing systems

. . . Printing directly on objects to be measured

. Structures of display sections

. . Directions being changeable

. . Arrangements of switches

. . . reducing the number of switches

RR00
OTHERS

RR01

RR03

RR05

RR07

RR09

. using air or fluids other than measurement

. Material quality of measuring arrangements

. Jigs

. with cleaning or washing functions

. heating or cooling

RR11

RR12

RR13

. Power sources

. . Batteries

. . having power generating functions

G01B21/20,102@S

SS00
MEASURING SCREW

SS01

SS02

SS03

SS04

SS05

SS06

SS08

. Measuring contents

. . Pitches

. . Screw angles

. . Diameters

. . Shapes

. . Lengths

. . Other specified contents to be measured *

SS11

SS12

SS13

SS14

SS15

. Types

. . Male screws

. . Female screws

. . Parallel screws

. . Taper screws

SS21

SS22

SS23

SS25

SS27

. Measuring methods

. . using probes

. . . the number of probes being specified

. . using dedicated gauges

. . Other screws being screwed in

G01B21/20,102@Z

TT00
MEASURING GEAR

TT01

TT02

TT03

TT04

TT05

TT07

. Content to be measured

. . Tooth thicknesses

. . Pitches

. . Diameters

. . Tooth shapes or tooth shape errors

. Types *

TT11

TT12

TT13

TT14

TT15

TT17

TT18

TT19

. Measuring methods

. . using probes

. . . One

. . . Two

. . . fitting entirely in grooves between teeth

. . engaging master gears

. . using base circles

. . using dedicated gauges

2F069	LENGTH MEASURING DEVICES WITH UNSPECIFIED MEASURING MEANS
	G01B21/00 -21/32