H01P1/215 - CPC Classification Index

ClassID:

213998 ⎘

H01P1/215 - CPC Classification

Classification description:

Auxiliary devices; Frequency-selective devices, e.g. filters using ferromagnetic material

Sub-classes:

H01P1/217 » the ferromagnetic material acting as a tuning element in resonators 5
H01P1/218 » the ferromagnetic material acting as a frequency selective coupling element, e.g. YIG-filters 38

Recent Application in this class:

20210232187

2021-07-29

Method and apparatus for protecting electrical components from a transient electromagnetic disturbance

20190393578

2019-12-26

Biplanar tapered line frequency selective limiter

20180366803

2018-12-20

Frequency selective limiter

20180309046

2018-10-25

MAGNETORESISTIVE EFFECT DEVICE

20150255846

2015-09-10

Magnetostatic Surface Wave Nonreciprocal Tunable Bandpass Filters

20140049333

2014-02-20

Ferrite circulator with asymmetric features

20100019863

2010-01-28

Composite right/left-handed line device

20100006977

2010-01-14

Inductor and filter

20090085695

2009-04-02

Ferrite-piezoelectric microwave devices

#10

20080297292

2008-12-04

Radio Frequency Device with Magnetic Element, Method for Making Such a Magnetic Element

#11

20070242395

2007-10-18

Methods of manipulating the relaxation rate in magnetic materials and devices for using the same

#12

20060290442

2006-12-28

Integrated microelectronics component for filtering electromagnetic noise and radio frequency transmission circuit comprising same

#13

20060163693

2006-07-27

Chip-type noise filter, manufacturing method thereof, and semiconductor package

#14

20050212625

2005-09-29

High frequency magnetic thin film filter

#15

20050064823

2005-03-24

System and device for transmission using ultrawide band pass filter

#16

13644632

2015-04-28

Frequency and bandwidth tunable microwave filter