F-Term-List

G01B17/00-17/08

AA00
CONTENT TO BE MEASURED

AA01

AA02

AA03

AA04

AA06

. Positions coordinates displacement or amount of movement

. . in one dimension

. . in two dimensions

. . in three dimensions

. . Distance

AA12

AA13

AA14

AA15

AA18

. . Specified measurement

. . . Ends e.g. tips

. . . Positional deviation

. . Central positions

. Amount of eccentricity

AA21

AA22

AA23

AA24

AA25

AA26

AA27

AA28

AA29

. Length or dimensions

. . Heights or level differences

. . Width

. . Depths

. . External diameters

. . Internal diameters

. . Gaps

. . Thickness

. . . Distribution of thickness or wall thickness; uneven thickness ratios

AA31

AA32

AA33

AA34

AA35

AA36

AA37

AA38

AA39

AA40

. Angles

. . Surface direction or plane inclination

. Shape parameters

. . Curvature bend radius of curvature or warp

. . Smoothness flatness level straightness or circularity

. . Surface irregularities or unevenness

. . Surface roughness

. Contours

. . of cross-sections

. . in three dimensions

AA41

AA43

AA44

AA45

AA46

AA47

AA48

AA49

AA50

. Areas

. Overlap of objects

. Amount of wear erosion or corrosion

. Deformation of objects

. Orientation or obverse-surface or reverse-surface of objects

. Discrimination of object types grades or qualities

. Defects or scratches

. . Defects or positions of scratches

. . Defects or shapes or sizes of scratches

BB00
SHAPE OR MATERIAL OF OBJECT

BB01

BB02

BB03

BB04

BB05

BB08

BB09

BB10

. Flat plates the longitudinal direction of which is not distinguishable

. . Discs

. Elongated bodies or continuously transported bodies

. . linear

. . Flat plate-like shapes the longitudinal direction of which is distinguishable

. hollow-shaped

. . tubular or cylindrical

. spherical

BB11

BB12

BB14

BB15

BB16

BB17

BB19

. annular

. Pillars or columns excluding tubes

. multi-layered

. . Coverings

. . . Plating thickness

. . . Amount or thickness of paint

. Welded or bonded areas

BB21

BB22

BB23

BB24

BB25

BB26

BB27

BB29

BB30

. Specified substances

. . Metals including alloys

. . . Iron or steel

. . Non-metals

. . . Ceramics or glass

. . . Concrete or soil

. Liquids e.g. oil films or molten substances

. High temperature articles

. Hazardous articles

CC00
OBJECT, INDIVIDUAL EXAMPLE

CC01

CC02

CC03

CC04

CC05

CC06

CC07

CC08

CC09

CC10

. Articles relating to atomic power

. . Fuel rods

. Wheels or tyres

. Machines or parts thereof

. Deposits sediments or sludge

. Trains or vehicles

. Human bodies or other organisms

. Wires or cables

. Tanks e.g. for petroleum or gas

. Disks

CC11

CC12

CC13

CC14

CC15

CC16

. Civil engineering structures or buildings

. . Road surfaces

. Round bars or square bars

. Square materials H-shaped or T-shaped steel members

. Steel plates

. Steel pipes

DD00
PURPOSE

DD01

DD02

DD03

DD04

DD05

DD06

DD07

DD08

DD09

DD10

. Reduction in power consumption

. Reduction in size or weight structure simplification

. Improvement of signal-to-noise (S/N) ratios or noise reduction

. Improvement of resolution

. Improvement of sensitivity

. Detection of failure or self-diagnosis

. Processing acceleration or measurement automation

. Durability improvement or life extension

. Countermeasures against external disturbances

. . Removal of undesired sound waves

DD11

DD12

DD13

DD14

DD16

DD17

. Improvement of reliability

. Improvement of accuracy

. Maintenance or facilitation of inspection

. Prevention of interference

. Combination with specific devices

. . for agricultural use

EE00
CORRECTION, COMPENSATION OR CALIBRATION

EE01

EE02

EE03

EE06

EE07

. Correction or compensation

. . Sound velocity or propagation velocity

. . Temperature

. Calibration

. . Use of articles as standards

FF00
METHOD FOR USING ULTRASONIC WAVE

FF01

FF02

FF03

FF04

FF05

. Waveforms of specific transmission or reception waves

. . Continuous waves

. . Pulse waves

. . . Burst waves or high-frequency pulses

. . . Chirp pulses

FF11

FF12

FF13

FF14

FF15

FF16

FF17

FF18

FF19

FF20

. Transmission methods not covered by FF20

. Reflection methods including surface reflection not covered by FF20

. . Multi-path reflection methods

. Perpendicular methods or perpendicular-incidence methods

. Oblique methods or oblique-incidence methods

. Direct-contact methods

. Partial water-immersion methods

. Water- or liquid-immersion methods

. Use of reflectors or of reflecting plates

. Reflection-transmission methods

FF21

FF22

FF23

FF24

FF25

FF26

FF27

FF28

. Utilisation of ultrasonic wave interference

. . Standing waves

. . Resonance

. Absorption or attenuation

. Propagation time or propagation velocity

. Doppler effects

. Sing-around methods

. Frequency frequency distribution or spectra

GG00
METHOD FOR GENERATING OR DETECTING ULTRASONIC WAVE

GG01

GG02

GG04

GG05

GG07

GG09

. Electro-mechanical conversion

. . Magnetostriction

. Electromagnetic ultrasonic waves

. Mechanical methods e.g. hitting or friction with stress application

. Photoacoustic methods using lasers

. Use of different methods for generation from those for detection

HH00
MODE OF ULTRASONIC WAVE

HH01

HH02

HH03

HH04

HH06

. Longitudinal waves

. Transverse waves

. Surface waves

. Plate waves or Lamb waves

. with mode conversion

JJ00
SCANNING PROCEDURE

JJ01

JJ02

JJ03

JJ04

JJ05

JJ06

JJ07

. Methods for deflecting ultrasonic waves

. . Electronic methods

. . Mechanical methods

. . Sector scanning

. . Linear scanning

. . Arc scanning

. . Composite scanning

JJ11

JJ12

JJ13

JJ14

JJ15

JJ17

. Probe movement

. . One-dimensional scanning

. . Two-dimensional scanning

. . Probe rotation

. . Probe revolution

. . Scanning from inner surfaces

JJ21

JJ22

JJ23

JJ24

. Object movement

. . Linear movement not covered by JJ24

. . Rotational movement not covered by JJ24

. . Spiral movement

KK00
PROBE IN GENERAL

KK01

KK02

KK03

KK04

KK05

KK06

KK07

KK09

KK10

. Boxes or casings

. . Cable lead-out

. . Oscillator mounting

. Holding supporting or positioning of probes or measuring arrangements

. . using manipulators

. . using means for suction direct-contact or pressing

. having scan-following mechanisms

. Probe protection

. . Heating or cooling

KK11

KK12

KK13

KK14

KK15

KK16

KK17

KK18

. washing probes

. with wave transmission and reception means integrated into a single body

. . using oscillators for both transmission and reception

. with separate means for wave transmission and reception

. . with opposed means for wave transmission and reception

. with receivers only

. A plurality of wave transmitters

. A plurality of wave receivers

LL00
DETAILS OF PROBE

LL01

LL02

LL03

LL04

. Number of oscillators

. . One oscillator

. . Two oscillators

. . Three or more oscillators or array-shaped

LL11

LL12

LL13

LL14

LL15

LL16

LL17

LL18

LL19

. Oscillators

. . Crystal oscillators

. . Shapes of oscillators

. . . Rings

. . . Curved surfaces concaves or convexes

. . . Rectangular parallelepiped or rectangles

. Arrangements of oscillators

. . Cylindrical surface arrangements

. . Spherical surface arrangements

LL21

LL22

LL23

LL24

LL25

LL27

LL29

LL30

. Electrodes or electrical connections

. Ultrasonic wave absorbers

. Convergence or deflection means

. . Wedges or shoes

. . Acoustic lenses

. Acoustic impedance matching layers

. Manufacturing methods

. Material qualities

MM00
ELECTROMAGNETIC PROBE

MM01

MM02

MM03

MM04

MM05

MM06

MM08

MM09

. without means for generating external magnetic fields

. Types of magnetic fields

. . Static magnetic fields

. . Variable magnetic fields

. . . Alternating magnetic fields

. . . Pulsed magnetic fields

. . Permanent magnets

. . Electromagnets

MM11

MM12

MM13

MM14

MM15

MM16

MM17

MM18

MM19

. Structures or connections of transmission and reception coils

. . Circular coils

. . Rectangular coils

. Use of the same coils for transmission and reception

. Arrangement of transmission and reception coils

. Types of magnets

. . with radial magnetic fields

. . with perpendicular magnetic fields

. . with parallel linear magnetic fields

MM21

MM22

MM23

MM24

MM25

MM26

. Generation of eddy currents

. . Pulses

. . . Use of spark gaps

. . Continuous eddy currents

. Magnetic shielding

. Monitoring of transmission current

NN00
ACOUSTIC COUPLING

NN01

NN02

NN03

NN04

NN05

NN06

NN07

NN08

. Media for acoustic coupling

. . Water

. Operations relating to coupling media

. . Supply or recovery of coupling media

. . Prevention of outflow i.e. sealing

. . Bubble removal

. . Temperature control

. . Checking degrees of coupling

PP00
CONTROL OF WAVE TRANSMISSION AND RECEPTION

PP01

PP02

PP03

PP04

PP05

PP06

PP07

PP08

. Probe switching

. Adjustment of wave transmission and reception

. . Amplitude

. . Period or frequency

. Switching of wave transmission and reception

. Oscillator control

. . Use of multiplexers

. . Directivity control

PP11

PP12

PP13

. Transmission and reception at a plurality of frequencies

. Delay circuits

. . by shift registers

PP31

PP32

PP33

PP34

. Scanning control

. . Number of scanning lines or scanning density

. . Scanning speed

. . Control of scanning starting point or of scanning range

QQ00
POWER SUPPLY OR SIGNAL PROCESSING

QQ01

QQ02

QQ03

QQ04

QQ05

QQ06

QQ07

QQ08

QQ09

QQ10

. Gates

. . Adjustment of gate operation points

. Adjustment of sensitivity or gain or automatic gain control (AGC)

. Zero-point adjustment

. Analogue-to-digital (A/D) conversion or conversion into binary or multi-valued numerals

. Digital-to-analogue (D/A) conversion

. Logarithmic conversion

. Differentiation

. Integration

. Fourier transform

QQ11

QQ12

QQ13

QQ14

QQ15

QQ16

QQ18

. Modulation or detection

. Filtering

. Digital-to-analogue converters (DAC) or reverse DAC

. Signal storage

. . Standard or reference signals

. . Picture signals

. Correlation

QQ21

QQ22

QQ23

QQ24

QQ25

QQ26

QQ27

QQ28

QQ29

. Specific signal values or specific position values

. . Maximum values minimum values or peak values

. . Signal envelopes

. . Detection of zero-cross

. Signal addition or synthesis

. . of picture signals

. Statistical processing

. . Histograms

. . Averages

QQ31

QQ32

QQ33

QQ34

. Contour extraction

. Approximate expressions

. . Interpolation

. . Method of least squares

QQ41

QQ42

QQ43

QQ44

QQ45

QQ47

. Comparison of signals or subtraction differences or ratios

. . Comparison of amplitudes

. . Comparison of phases

. . Comparison of time

. Comparison with references or standard signals

. Power supplies

RR00
DISPLAY OR RECORDING SECTION

RR01

RR02

RR03

RR04

RR05

RR06

RR07

RR09

. Contents of display or recording

. . Images of measured objects

. . Characters i.e. letters or numbers

. . Display with cursors or markers

. . Grading or discrimination of measured results i.e. good or poor

. Printing

. . on objects per se

. Alarms

RR11

RR12

RR13

RR14

. Means

. . optical

. . Screen display

. . Sound or voice

SS00
PROCESSING OR OPERATION OF OBJECT

SS01

SS02

SS03

SS04

SS05

SS06

SS07

SS08

SS09

. Positioning or position adjustment

. Cleaning or washing

. Display of measurement positions on objects

. Drying or rust prevention

. Heating or cooling

. Sampling or object collection

. Processing or operation before measurement not covered by SS01-SS06

. Processing or operation during measurement not covered by SS01-SS06

. Processing or operation after measurement not covered by SS01-SS06

TT00
OTHER TECHNICAL MATTER

TT01

TT02

TT03

TT04

TT05

TT06

TT07

. Combination with non-ultrasonic wave means

. . Detection of velocity

. . Detection of angles or amount of rotation

. . Detection of positions or amount of movement

. . Detection of edge

. . Detection of temperature

. . Optical means i.e. television cameras

TT21

TT22

TT23

TT24

TT25

TT26

TT27

TT28

. Vehicles or travelling bodies

. . Drive sources

. . . Fluid pressure

. . . Traction with ropes or cables

. . Pigs i.e. bodies travelling inside pipes

. . . Internal structures

. . . Joining mechanisms

. . . Clamps or alignment mechanisms

2F068	LENGTH MEASURING DEVICES CHARACTERISED BY USE OF ACOUSTIC MEANS
	G01B17/00 -17/08