Patent Classification Explorer PCE

IPC Subgroup

H03H 9/46

Filters

Introduced: January 1980

Last revised: January 2006

Full Title

Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators > Filters

Classification Context

Section:: ELECTRICITY
Class:: ELECTRONIC CIRCUITRY
Subclass:: IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS

4 direct subcodes

Child Classifications

Navigate with arrow keys, Enter to open

H03H 9/48 Coupling means therefor
H03H 9/54 comprising resonators of piezoelectric or electrostrictive material
H03H 9/62 comprising resonators of magnetostrictive material
H03H 9/64 using surface acoustic waves