ClassID:

223520

H04B3/145 - CPC Classification

Classification description:

Line transmission systems; Details; Control of transmission; Equalising characterised by the equalising network used using amplitude-frequency equalisers variable equalisers

Recent Application in this class:
#1
20230308132
2023-09-28

RECEIVER EQUALIZATION CIRCUITRY USING VARIABLE TERMINATION AND T-COIL

#2
20220263540
2022-08-18

Adaptive cable equalizer

#3
20220201104
2022-06-23

Self-describing system using single-source/multi-destination cable

#4
20220078052
2022-03-10

Methods and circuits for adaptive equalization

#5
20200106476
2020-04-02

Composite right-hand left-hand distributed attenuator

#6
20190341896
2019-11-07

Equalization of frequency-dependent gain

#7
20190013787
2019-01-10

Equalization of frequency-dependent gain

#8
20180069519
2018-03-08

Equalization of frequency-dependent gain

#9
20170359203
2017-12-14

Equalizer circuit and optical module

#10
20170272120
2017-09-21

Multi-stage equalisation method and apparatus for use in telemetry

#11
20170250730
2017-08-31

Passive equalizer capable of use in high-speed data communication

#12
20170195146
2017-07-06

Passive equalizers for directional couplers

#13
20170180002
2017-06-22

M-ary pulse amplitude modulation digital equalizer

#14
20170054426
2017-02-23

Equalization of frequency-dependent gain

#15
20160013835
2016-01-14

Multi-stage equalisation method and apparatus for use in telemetry

#16
20150236663
2015-08-20

Equalization of frequency-dependent gain

#17
20150180535
2015-06-25

Semiconductor device and serial data transmission line system

#18
20140269860
2014-09-18

Adaptive line equalizer for improving data communication over less than perfect power lines or transmission lines

#19
20120224661
2012-09-06

Digital Equalization Process and Mechanism

#20
20120188031
2012-07-26

Programmable high-frequency high-gain equalizer for digital display interfaces

#21
20120177098
2012-07-12

Receiver circuit

#22
20120039381
2012-02-16

Adaptive equalization system and method

#23
20110228821
2011-09-22

ADAPTIVE EQUALIZING REPEATER WITH OUTPUT CONTROL

#24
20110227675
2011-09-22

High bandwidth programmable transmission line equalizer

#25
20110194623
2011-08-11

Reconfigurable Filter for Cable Frequency Tilt Compensation and MoCA Transmitter Leakage Cancellation

#26
20100271972
2010-10-28

COMMUNICATION DEVICE AND COMMUNICATION SYSTEM

#27
20100194478
2010-08-05

EQUALIZER FILTER WITH MISMATCH TOLERANT DETECTION MECHANISM FOR LOWER AND HIGHER FREQUENCY GAIN LOOPS

#28
20100177830
2010-07-15

Configurable pre-emphasis driver with selective constant and adjustable output impedance modes

#29
20100110299
2010-05-06

Systems and methods for cable equalization

#30
20100079216
2010-04-01

ADAPTIVE EQUALIZER CIRCUIT

#31
20100040130
2010-02-18

Receiver circuit

#32
20090310666
2009-12-17

Adaptive equalizer circuit

#33
20090262796
2009-10-22

Equalizing filter circuit

#34
20080238588
2008-10-02

Programmable passive equalizer

#35
20070280342
2007-12-06

System and method for the adjustment of compensation applied to a signal

#36
20070052849
2007-03-08

Automatic frequency compensation of video signals transmitted across cables

#37
20070030092
2007-02-08

Programmable passive equalizer

#38
20060245485
2006-11-02

Continuous-time equalizer

#39
20060182171
2006-08-17

Multistage tuning-tolerant equalizer filter

#40
20060140263
2006-06-29

Equalizers and methods for equalizing

#41
20060119594
2006-06-08

Automatic equalization of video signals

#42
20060098727
2006-05-11

Adaptive equalizer

#43
20050069064
2005-03-31

Digital equalization process and mechanism

#44
20050041731
2005-02-24

Equalizer system

#45
15917244
2019-02-26

Adjustable electric control equalization circuit of cable television networks

#46
15276570
2017-11-28

Tunable impedance circuit for a transmitter output stage

#47
14301457
2016-08-09

Systems and methods for finite impulse response adaptation for gain and phase control

#48
14049440
2015-08-25

Reflective analog finite impulse response filter