ClassID:

220481

H03H7/425 - CPC Classification

Classification description:

Multiple-port networks comprising only passive electrical elements as network components; Balance/unbalance networks Balance-balance networks

Sub-classes:
Recent Application in this class:
#1
20260031848
2026-01-29

RF DEVICE

#2
20250343524
2025-11-06

BALUN FOR POWER AMPLIFIER

#3
20240106476
2024-03-28

RADIO FREQUENCY SIGNAL SPLITTING WITH DIFFERENTIAL FILTER AND LOW NOISE AMPLIFIERS

#4
20240097639
2024-03-21

Differential double balanced duplexer

#5
20240063769
2024-02-22

High-order passive filter with capacitive inner tapping technique

#6
20240032186
2024-01-25

STRUCTURE, METHOD FOR MANUFACTURING STRUCTURE, AND COMPOSITION

#7
20210104997
2021-04-08

Input drive configuration for reducing phase and gain imbalance

#8
20210019646
2021-01-21

Method for use with superconducting devices

#9
20200195215
2020-06-18

Noise filter circuit

#10
20200127605
2020-04-23

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

#11
20190341902
2019-11-07

Noise filter circuit

#12
20190326872
2019-10-24

Transformer with high common-mode rejection ratio (CMRR)

#13
20190237417
2019-08-01

Resistance and capacitance balancing systems and methods

#14
20180097497
2018-04-05

Differential mode filter

#15
20170178018
2017-06-22

Method of fabricating an electrical filter for use with superconducting-based computing systems

#16
20170045593
2017-02-16

Device and method for electrically linking electronic assemblies by means of symmetrical shielded cables

#17
20160164486
2016-06-09

Transformer filter arrangement

#18
20160099700
2016-04-07

CMOS tuner and related tuning algorithm for a passive adaptive antenna matching network suitable for use with agile RF transceivers

#19
20160079970
2016-03-17

Resistive divider circuit for a differential signal communications receiver

#20
20160065255
2016-03-03

Domino circuit and related architectures and methods for carrier aggregation

#21
20150318107
2015-11-05

Compact impedance transformer

#22
20150162887
2015-06-11

Output stage for adapting an AC voltage signal of an ultrasound generator

#23
20140320374
2014-10-30

Multi bandwidth balun and circuit structure thereof

#24
20140266500
2014-09-18

Integrated circuit for transmitting and receiving an RF signal

#25
20140210571
2014-07-31

Transformer filter arrangement

#26
20140152412
2014-06-05

High-power variable inductor and filter employing same

#27
20140111286
2014-04-24

Duplexer

#28
20120325916
2012-12-27

RFID MODULE AND RFID DEVICE

#29
20120313729
2012-12-13

LC COMPOSITE COMPONENT AND STRUCTURE FOR MOUNTING LC COMPOSITE COMPONENT

#30
20120256700
2012-10-11

All-pass network

#31
20120200372
2012-08-09

Filter having electrical circuit arrangement with concentrated elements in multi-layer substrates

#32
20120154071
2012-06-21

Combined balun and impedance matching circuit

#33
20100271151
2010-10-28

Compact RC notch filter for quadrature and differential signaling

#34
20100244983
2010-09-30

Constant impedance filter

#35
20100207710
2010-08-19

Electrical circuit arrangement with concentrated elements in multi-layer substrates

#36
20090258626
2009-10-15

Filter circuit and receiving apparatus

#37
20090134954
2009-05-28

Differential band-pass filter having symmetrically interwoven inductors

#38
20090080413
2009-03-26

IP telephone system

#39
20080192401
2008-08-14

Surge absorption circuit

#40
20080174387
2008-07-24

FILTER CIRCUIT FOR REDUCING EMI OF DIFFERENTIAL SIGNAL

#41
20070076343
2007-04-05

Connector

#42
20070025043
2007-02-01

Surge absorption element and surge absorption circuit

#43
20060114634
2006-06-01

Surge absorption circuit

#44
20060046679
2006-03-02

Flat intermediate if filter for tuners

#45
20060028301
2006-02-09

Discrete inductor bank and LC filter

#46
20050264376
2005-12-01

Methods and apparatus for an improved discrete LC filter

#47
20050250467
2005-11-10

Unconditionally stable filter

#48
20050212383
2005-09-29

Balanced high-frequency device and balanced high-frequency circuit using the same

#49
20050012565
2005-01-20

Methods and apparatus for an improved discrete LC filter

#50
16188438
2019-06-11

Balanced wideband impedance transformer

#51
14451378
2016-05-24

Power line communication filter for multiple conductors