ClassID:

224348

H04J1/05 - CPC Classification

Classification description:

Frequency-division multiplex systems; Details; Frequency-transposition arrangements using digital techniques

Recent Application in this class:
#1
20250096921
2025-03-20

IFoF SCHEME OPTICAL TRANSMISSION SYSTEM

#2
20210409141
2021-12-30

Demultiplexing circuit, multiplexing circuit, and channelizer relay unit

#3
20210156954
2021-05-27

Multiplexing radar beat signals

#4
20210091752
2021-03-25

Resource conserving weighted overlap-add channelizer

#5
20200366396
2020-11-19

Method for combating impulsive interference/noise in multicarrier underwater acoustic communications

#6
20200228216
2020-07-16

Method for combating impulsive interference/noise in multicarrier underwater acoustic communications

#7
20200084643
2020-03-12

Single radio switching between multiple wireless links

#8
20190182901
2019-06-13

Systems and methods for noise floor optimization in distributed antenna system with direct digital interface to base station

#9
20180006370
2018-01-04

Satellite system having terminals in hopping beams communicating with more than one gateway

#10
20170325103
2017-11-09

Single radio switching between multiple wireless links

#11
20170302342
2017-10-19

MIMO transceiver suitable for a massive-MIMO system

#12
20160142166
2016-05-19

Using modulation-transcendent RF sampled digital data over an IP connection

#13
20130163542
2013-06-27

Method and transmitter/receiver for data transmission with flexible exploitation of time and frequency diversity

#14
20130155941
2013-06-20

Demultiplexing apparatus, multiplexing apparatus, and relay apparatus

#15
20120269238
2012-10-25

Demultiplexing device, multiplexing device, and relay device

#16
20110222467
2011-09-15

Demultiplexing apparatus, multiplexing apparatus, communication apparatus, and relay satellite

#17
20110200055
2011-08-18

ENHANCED CMTS FOR RELIABILITY, AVAILABILITY, AND SERVICEABILITY

#18
20110158259
2011-06-30

Apparatus and method for frequency division and filtering

#19
20100031305
2010-02-04

Enhanced fiber nodes with CMTS capability

#20
20090304031
2009-12-10

Digital signal demultiplexing device and multiplexing device

#21
20090268749
2009-10-29

Enhanced CMTS for reliability, availability, and serviceability

#22
20070050835
2007-03-01

Enhanced fiber nodes with CMTS capability

#23
20060250758
2006-11-09

Enhanced CMTS for reliability, availability, and serviceability

#24
14466307
2016-12-06

Receiver with multi-spectrum parallel amplification