H03H7/1733 - CPC Classification Index

ClassID:

220449 ⎘

H03H7/1733 - CPC Classification

Classification description:

Multiple-port networks comprising only passive electrical elements as network components; Frequency selective two-port networks; Structural details of sub-circuits of frequency selective networks; Comprising foot-point elements Element between different shunt or branch paths

Recent Application in this class:

20200099407

Systems and methods for antenna tuning

20170170798

Low pass filter

20150048992

Broadband matching circuits

20120075036

Common mode filter

20120028576

Filtering network in HR-Si silicon technology

20110133853

SEMICONDUCTOR DEVICE WITH FILTER CIRCUIT

20110043304

Left-handed resonator and left-handed filter using the same

20100188172

Quick tractable filter

20090315643

Filter device having attenuation poles

20060044055

Negative-resistance circuit and active filter