Skip to content
PCE
Search Classifications
Search for IPC and CPC classification codes or keywords
DIFF Subgroup
H03H 9/12

for networks with interaction of optical and acoustic waves

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators > Details > Holders or supports > Mounting in enclosures > for networks with interaction of optical and acoustic waves

CPC:

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 > Holders or supports > Mounting in enclosures > for networks with interaction of optical and acoustic waves

No child classifications to compare. This is a leaf node in both IPC and CPC.