H04B3/26 - CPC Classification Index

ClassID:

223535 ⎘

H04B3/26 - CPC Classification

Classification description:

Line transmission systems; Details Improving frequency characteristic by the use of loading coils

Recent Application in this class:

20230308132

2023-09-28

RECEIVER EQUALIZATION CIRCUITRY USING VARIABLE TERMINATION AND T-COIL

20220393719

2022-12-08

A CHOKE

20210343141

2021-11-04

Monitoring equipment for cables

20210195323

2021-06-24

CABLE APPARATUS, NOISE CANCELLING APPARATUS, AND NOISE CANCELLING METHOD

20210067196

2021-03-04

Low Insertion Loss Network Device Having an Extended RF Spectrum

20190226329

2019-07-25

System for cableless bidirectional data transmission in a well for the extraction of formation fluids

20190158069

2019-05-23

Transmission line with device for limiting losses through impedance mismatch

20180323824

2018-11-08

Method for signal transmission via an electrical power transmission pathway, and signal transmission system using the same

20180302063

2018-10-18

Transmission line with device for limiting losses through impedance mismatch

#10

20170041044

2017-02-09

Coaxial data communication with reduced EMI

#11

20160126919

2016-05-05

Noise filter

#12

20130235921

2013-09-12

Signal conversion during transmission of serial data streams

#13

20090060062

2009-03-05

Induction neutralizing transformer

#14

20070253494

2007-11-01

Digital subscriber line induction neutralizing transformer network