H03H 9/145 for networks using surface acoustic waves
Introduced: January 1980
Full Title
Full titles differ between systems:
Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators > Details > Driving means, e.g. electrodes, coils > for networks using surface acoustic waves
Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators (electro-acoustic transducers such as loudspeakers, microphones or gramophone pick-ups H04R; piezoelectric, electrostrictive or magnetostrictive devices with mechanical input or output, e.g. actuators or sensors, H10N30/00, H10N35/00) > Details > Driving means, e.g. electrodes, coils > for networks using surface acoustic waves
Of 5 combined children, 0 exist in both systems.
5 codes are CPC-only extensions.
Child Classifications
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