ClassID:

220480

H03H7/422 - CPC Classification

Classification description:

Multiple-port networks comprising only passive electrical elements as network components; Balance/unbalance networks comprising distributed impedance elements together with lumped impedance elements

Recent Application in this class:
#1
20240339984
2024-10-10

BALUN CIRCUIT AND SEMICONDUCTOR DEVICE

#2
20240072405
2024-02-29

COMPACT BALUN WITH OUT-OF-BAND SPURIOUS SUPPRESSION

#3
20220321086
2022-10-06

Balun including a resistor in parallel with a transmission line and which is configured to distribute power loss over a greater frequency range

#4
20220069794
2022-03-03

Filter circuit and balun circuit

#5
20210135647
2021-05-06

Compact balanced radio frequency balun facilitating easy integration

#6
20200127605
2020-04-23

Radio-frequency apparatus with multi-band wideband balun and associated methods

#7
20190199314
2019-06-27

Device, differential signal line processing method and differential signal line processing apparatus

#8
20190190482
2019-06-20

Radio-frequency apparatus with multi-band balun and associated methods

#9
20180337650
2018-11-22

Bulk acoustic wave resonator

#10
20180234073
2018-08-16

Balance filter

#11
20180191325
2018-07-05

Transmission line transformers

#12
20180123551
2018-05-03

Coupled-line balun with common-mode nulling

#13
20180062607
2018-03-01

Switchable transformer-based balun

#14
20170279430
2017-09-28

Circuit

#15
20170250668
2017-08-31

Marchand balun

#16
20170077873
2017-03-16

Power amplifier cell

#17
20160308284
2016-10-20

Balun

#18
20150303547
2015-10-22

Vaisman baluns and microwave devices employing the same

#19
20150263404
2015-09-17

Thin film balun

#20
20150214919
2015-07-30

Circuit

#21
20150035624
2015-02-05

High frequency filter

#22
20150028962
2015-01-29

Radio frequency signal splitter and matcher

#23
20150002243
2015-01-01

Power dividing and/or power-combining circuits with isolation

#24
20140043108
2014-02-13

Balun transformer

#25
20140022028
2014-01-23

Thin film balun

#26
20140002207
2014-01-02

Semiconductor device having balanced band-pass filter implemented with LC resonators

#27
20130271241
2013-10-17

Balance filter

#28
20130200958
2013-08-08

Laminate-type electronic device with filter and balun

#29
20130181803
2013-07-18

Wideband multilayer transmission line transformer

#30
20120314734
2012-12-13

Reconstruction filter with built-in balun

#31
20120154071
2012-06-21

Combined balun and impedance matching circuit

#32
20120068782
2012-03-22

Method and system for configurable differential or single-ended signaling in an integrated circuit

#33
20120013387
2012-01-19

Wideband balun having a single primary and multiple secondaries

#34
20110169586
2011-07-14

Multilayer balanced filter

#35
20110133835
2011-06-09

Double transformer balun for maximum power amplifier power

#36
20110012690
2011-01-20

Thin film balun

#37
20100283557
2010-11-11

Multilayer bandpass filter

#38
20100253443
2010-10-07

Unbalanced-balanced converter

#39
20100194493
2010-08-05

Balun signal splitter

#40
20100167667
2010-07-01

Setting of a balun

#41
20100109793
2010-05-06

Thin film balun

#42
20100060402
2010-03-11

Balun circuit manufactured by integrate passive device process

#43
20100060375
2010-03-11

Balun circuit manufactured by integrate passive device process

#44
20100007430
2010-01-14

Balanced-unbalanced conversion circuit

#45
20090295496
2009-12-03

Balun

#46
20090243749
2009-10-01

Method and system for configurable differential or single-ended signaling in an integrated circuit

#47
20090237176
2009-09-24

Thin film balun

#48
20090184779
2009-07-23

WIRELESS COMMUNICATION MODULE

#49
20090167455
2009-07-02

Semiconductor device having balanced band-pass filter implemented with LC resonator

#50
20080224791
2008-09-18

Integrated balanced-unbalanced duplexer

#51
20070290766
2007-12-20

Balun

#52
20070210876
2007-09-13

Fbar Filter

#53
20060061435
2006-03-23

Film bulk-acoustic resonator filter having unbalanced-balanced input/output structure

#54
20050231926
2005-10-20

Wiring board, balun and apparatus using wiring board, and method of manufacturing wiring board

#55
20050206490
2005-09-22

Double transformer balun for maximum power amplifier power

#56
20050040910
2005-02-24

Balun transformer and transceiver