H03H7/1725 - CPC Classification Index

ClassID:

220448 ⎘

H03H7/1725 - 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 to ground being common to different shunt paths, i.e. Y-structure

Recent Application in this class:

20240372521

2024-11-07

NOISE FILTER CIRCUIT

20240322780

2024-09-26

MULTILAYER ELECTRONIC COMPONENT

20220190802

2022-06-16

Compact, high-power thin-film filter

20210391842

2021-12-16

High frequency multilayer filter

20200321936

2020-10-08

Diplexer having low band filter and high band filter

20200204142

2020-06-25

Multilayer filter including a low inductance via assembly

20200204141

2020-06-25

High frequency multilayer filter

20200169240

2020-05-28

Front end module

20190326883

2019-10-24

High pass filter

#10

20190198230

2019-06-27

Electronic component

#11

20190181826

2019-06-13

Multilayer band pass filter

#12

20190148047

2019-05-16

Semiconductor device

#13

20180358947

2018-12-13

Filter circuits having acoustic wave resonators in a transversal configuration

#14

20180309423

2018-10-25

Filter device and plasma processing apparatus

#15

20180034436

2018-02-01

Multilayer filter

#16

20170331446

2017-11-16

Sub-network enhanced reflectionless filter topology

#17

20170170798

2017-06-15

Low pass filter

#18

20160307702

2016-10-20

Laminated composite electronic device including coil and capacitor

#19

20160233845

2016-08-11

Electronic component

#20

20160043701

2016-02-11

Sub-network enhanced reflectionless filter topology

#21

20160020746

2016-01-21

High-frequency laminated component and laminated high-frequency filter

#22

20150333720

2015-11-19

Noise filter and harness

#23

20150116056

2015-04-30

Electronic component

#24

20150048992

2015-02-19

Broadband matching circuits

#25

20130328642

2013-12-12

Miniaturized passive low pass filter

#26

20130229241

2013-09-05

Multilayer band pass filter

#27

20130169380

2013-07-04

Noise filter and transmission device

#28

20120326774

2012-12-27

Switching circuit

#29

20120319801

2012-12-20

High-frequency laminated component and laminated high-frequency filter

#30

20120299651

2012-11-29

FEED-BACK AND FEED-FORWARD SYSTEMS AND METHODS TO REDUCE OSCILLATOR PHASE-NOISE

#31

20120098620

2012-04-26

Filter and layout structure thereof

#32

20120075036

2012-03-29

Common mode filter

#33

20120025925

2012-02-02

Common mode noise suppression circuit

#34

20110241799

2011-10-06

Multi-phase EMI noise separator

#35

20110205139

2011-08-25

Bandpass filter, radio communication module and radio communication device using the bandpass filter

#36

20110074526

2011-03-31

Multilayer bandpass filter

#37

20110050135

2011-03-03

Output filter and motor drive system including the same

#38

20100277256

2010-11-04

Common-mode filter with coupled inductances

#39

20100277254

2010-11-04

Common-mode filter

#40

20100237958

2010-09-23

Feed-back and feed-forward systems and methods to reduce oscillator phase-noise

#41

20100214037

2010-08-26

Filter with integrated loading capacitors

#42

20100194498

2010-08-05

Multilayer electronic component and multilayer electronic component manufacturing method

#43

20100019862

2010-01-28

Lightweight electromagnetic interference filter

#44

20090315643

2009-12-24

Filter device having attenuation poles

#45

20090267431

2009-10-29

Terminator for reducing differential-mode and common-mode voltage reflections in AC motor drives

#46

20090189715

2009-07-30

Layered low-pass filter having a conducting portion that connects a grounding conductor layer to a grounding terminal

#47

20090189714

2009-07-30

Layered low-pass filter capable of producing a plurality of attenuation poles

#48

20090179713

2009-07-16

Low pass filter incorporating coupled inductors to enhance stop band attenuation

#49

20090108958

2009-04-30

Noise filter array

#50

20080303610

2008-12-11

TUNED FILTERS WITH ENHANCED HIGH FREQUENCY RESPONSE

#51

20080287089

2008-11-20

INPUT FILTER FOR IMAGE FREQUENCY SUPPRESSION

#52

20080192401

2008-08-14

Surge absorption circuit

#53

20080025445

2008-01-31

Tunable narrow band filter

#54

20070252664

2007-11-01

Noise Suppression Circuit

#55

20070241839

2007-10-18

High frequency multilayer bandpass filter

#56

20070057578

2007-03-15

Noise suppressing circuit

#57

20070019353

2007-01-25

Surge absorbing circuit

#58

20070002513

2007-01-04

Surge absorber

#59

20070001786

2007-01-04

Multilayer band pass filter

#60

20060279380

2006-12-14

Second order bandpass filter

#61

20060220972

2006-10-05

Noise suppressor

#62

20060220772

2006-10-05

Noise suppressor

#63

20060114634

2006-06-01

Surge absorption circuit

#64

20060087387

2006-04-27

Frequency filtering circuit for wireless communication devices

#65

20060049890

2006-03-09

Noise suppressing circuit

#66

20060044055

2006-03-02

Negative-resistance circuit and active filter

#67

20060043920

2006-03-02

Motor drive with damper

#68

20050285693

2005-12-29

Common mode signal suppressing circuit and normal mode signal suppressing circuit