FI (Note)/(Index) list

Descriptions for G01H and notes/indexes are displayed on this screen.

G01H MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES[4]

Note(s)
    This subclass covers the combination of generation and measurement of mechanical vibrations.Attention is drawn to the Notes following the title of class G01.

Subclass indexes

PRINCIPLE OF THE MEASURING

By direct conduction; by detection in a fluid; by sensitivity to radiation; by detection of changes in electric or magnetic properties

1/00; 3/00; 9/00; 11/00

SPECIAL CHARACTERISTICS MEASURED

Propagation velocity; reverberation time; resonant frequency; mechanical or acoustic impedance

5/00; 7/00; 13/00; 15/00