G01H1/00	7	Measuring {characteristics of} vibrations in solids by using direct conduction to the detector (G01H9/00, G01H11/00 take precedence)	G01H1/00	G01H1/00		2536
G01H1/003	8	{of rotating machines (G01H1/10 takes precedence)}	G01H1/00	G01H1/00		1835
G01H1/006	9	{of the rotor of turbo machines}	G01H1/00	G01H1/00		450
G01H1/04	8	of vibrations which are transverse to direction of propagation	G01H1/04	G01H1/04		125
G01H1/06	9	Frequency	G01H1/06	G01H1/06		159
G01H1/08	9	Amplitude	G01H1/08	G01H1/08		73
G01H1/10	8	of torsional vibrations	G01H1/10	G01H1/10		323
G01H1/12	8	of longitudinal or not specified vibrations	G01H1/12	G01H1/12		512
G01H1/14	9	Frequency	G01H1/14	G01H1/14		384
G01H1/16	9	Amplitude	G01H1/16	G01H1/16		193
G01H3/00	7	Measuring {characteristics of} vibrations by using a detector in a fluid (G01H7/00, G01H9/00, G01H11/00 take precedence)	G01H3/00	G01H3/00		1581
G01H3/005	8	{Testing or calibrating of detectors covered by the subgroups of G01H3/00(calibrating geophysical instruments, e.g. seismic receivers G01V13/00)}	G01H3/00	G01H3/00		345
G01H3/04	8	Frequency	G01H3/04	G01H3/04		254
G01H3/06	9	by electric means	G01H3/06	G01H3/06		183
G01H3/08	9	Analysing frequencies present in complex vibrations, e.g. comparing harmonics present {(acoustic presence detection G01V1/001)}	G01H3/08	G01H3/08		354
G01H3/10	8	Amplitude; Power	G01H3/10	G01H3/10		324
G01H3/12	9	by electric means (G01H3/14 takes precedence)	G01H3/12	G01H3/12		380
G01H3/125	10	{for representing acoustic field distribution (using optical means G01H9/002; sonar systems for imaging G01S7/56, G01S15/89; acoustic holography G03H3/00)}	G01H3/12	G01H3/12		369
G01H3/14	9	Measuring mean amplitude; Measuring mean power; Measuring time integral of power	G01H3/14	G01H3/14		241
G01H5/00	7	Measuring propagation velocity of ultrasonic, sonic or infrasonic waves {, e.g. of pressure waves}	G01H5/00	G01H5/00		894
G01H7/00	7	Measuring reverberation time {; room acoustic measurements}	G01H7/00	G01H7/00		275
G01H9/00	7	Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means	G01H9/00	G01H9/00		2858
G01H9/002	8	{for representing acoustic field distribution (sonar systems for imaging G01S7/56, G01S15/89; acoustic holography G03H3/00)}	G01H9/00	G01H9/00		333
G01H9/004	8	{using fibre optic sensors (light guides per seG02B6/00, acousto-optical devices specially adapted for gating or modulating in optical wave guides G02F1/125)}	G01H9/00	G01H9/00		4298
G01H9/006	9	{the vibrations causing a variation in the relative position of the end of a fibre and another element}	G01H9/00	G01H9/00		318
G01H9/008	8	{by using ultrasonic waves (measuring position using ultrasonic waves G01S15/02)}	G01H9/00	G01H9/00		156
G01H11/00	7	Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties	G01H11/00	G01H11/00		545
G01H11/02	8	by magnetic means, e.g. reluctance	G01H11/02	G01H11/02		540
G01H11/04	9	using magnetostrictive devices	G01H11/04	G01H11/04		66
G01H11/06	8	by electric means	G01H11/06	G01H11/06		2123
G01H11/08	9	using piezoelectric devices	G01H11/08	G01H11/08		2338
G01H13/00	7	Measuring resonant frequency	G01H13/00	G01H13/00		1218
G01H15/00	7	Measuring mechanical or acoustic impedance	G01H15/00	G01H15/00		515
G01H17/00	7	Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves, not provided for in the other groups of this subclass	G01H17/00	G01H17/00		10781
