IPC-Stelle: G01H [Version 2006.01]

SymbolTypTitel
GSKSECTION G — PHYSICS
G01USKINSTRUMENTS
G01KLMEASURING (counting G06M); TESTING
G01HUKLMEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES (generation of mechanical vibrations without measurement B06B, G10K; measuring position, direction or velocity of an object G01C, G01S; measuring quasi-steady pressure of a fluid G01L 7/00; determining unbalance G01M 1/14; determining properties of material by sonic or ultrasonic waves transmitted therethrough G01N; systems using the reflection or reradiation of acoustic waves, e.g. acoustic imaging, G01S 15/00; seismology, seismic prospecting, acoustic prospecting G01V 1/00; acousto-optical devices per seG02F; obtaining records by techniques analogous to photography using ultrasonic, sonic or infrasonic waves G03B 42/06; speech analysis or synthesis, speech recognition G10L; information storage based on relative movement between record carrier and transducer G11B; piezo-electric, electrostrictive or magnetostrictive elements in general H01L; manufacture of electromechanical resonators by processes which include measurement of frequency with consequential modification of the resonator H03H 3/00) [4]
G01H 1/00HGRMeasuring vibrations in solids by using direct conduction to the detector (G01H 9/00, G01H 11/00 take precedence)
G01H 1/04UGR1
.of vibrations which are transverse to direction of propagation
G01H 1/06UGR2
. .Frequency
G01H 1/08UGR2
. .Amplitude
G01H 1/10UGR1
.of torsional vibrations
G01H 1/12UGR1
.of longitudinal or not specified vibrations [4]
G01H 1/14UGR2
. .Frequency [4]
G01H 1/16UGR2
. .Amplitude [4]
G01H 3/00HGRMeasuring vibrations by using a detector in a fluid (G01H 7/00, G01H 9/00, G01H 11/00 take precedence)
G01H 3/04UGR1
.Frequency
G01H 3/06UGR2
. .by electric means
G01H 3/08UGR2
. .Analysing frequencies present in complex vibrations, e.g. comparing harmonics present
G01H 3/10UGR1
.Amplitude; Power
G01H 3/12UGR2
. .by electric means (G01H 3/14 takes precedence) [2]
G01H 3/14UGR2
. .Measuring mean amplitude; Measuring mean power; Measuring time integral of power [2]
G01H 5/00HGRMeasuring propagation velocity of ultrasonic, sonic or infrasonic waves
G01H 7/00HGRMeasuring reverberation time (measuring absorption of vibrations in a material G01N; arrangements for producing a reverberation G10K 15/08)
G01H 9/00HGRMeasuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means
G01H 11/00HGRMeasuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties
G01H 11/02UGR1
.by magnetic means, e.g. reluctance [4]
G01H 11/04UGR2
. .using magnetostrictive devices [4]
G01H 11/06UGR1
.by electric means [4]
G01H 11/08UGR2
. .using piezo-electric devices [4]
G01H 13/00HGRMeasuring resonant frequency
G01H 15/00HGRMeasuring mechanical or acoustic impedance [3]
G01H 17/00HGRMeasuring mechanical vibrations or ultrasonic, sonic or infrasonic waves, not provided for in the other groups of this subclass [4]