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PCE
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DIFF Subgroup
H03H 9/52

Electric coupling means

Introduced: January 1980

Full Title

Full titles differ between systems:

IPC:

Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators > Filters > Coupling means therefor > Electric coupling means

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) > Filters (multiple-port electromechanical filters H03H9/70) > Coupling means therefor > Electric coupling means

Of 1 combined children, 0 exist in both systems.

1 codes are CPC-only extensions.

Child Classifications

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