ClassID:

224439

H04J9/00 - CPC Classification

Classification description:

Multiplex systems in which each channel is represented by a different type of modulation of the carrier

Recent Application in this class:
#1
20190260512
2019-08-22

Dual mode communication systems and methods

#2
20180302178
2018-10-18

Test system and test method

#3
20170159427
2017-06-08

Method and system for transmitting a data frame of an electromagnetic telemetry signal to or from a downhole location

#4
20160204897
2016-07-14

Method and system for unified rate adaptation for SU-BF and MU-MIMO operation

#5
20160204888
2016-07-14

Data-modulated pilots for phase and gain detectors

#6
20160076365
2016-03-17

Method and system for transmitting a data frame of an electromagnetic telemetry signal to or from a downhole location

#7
20160047234
2016-02-18

Method and system for transmitting a data frame of an electromagnetic telemetry signal to or from a downhole location

#8
20150326338
2015-11-12

Time-domain based composite modulation for spectrally efficient optical networks

#9
20140160947
2014-06-12

Method and system for unified rate adaptation for SU-BF and MU-MIMO operation

#10
20140140695
2014-05-22

Communications network

#11
20130136452
2013-05-30

Time-domain based composite modulation for spectrally efficient optical networks

#12
20130022059
2013-01-24

Dual mode communication systems and methods

#13
20100296814
2010-11-25

METHOD AND DEVICE FOR OPTICAL DATA TRANSMISSION

#14
20100202551
2010-08-12

Dual mode communication systems and methods

#15
20100014487
2010-01-21

Methods and apparatus enabling increased throughput on the reverse link

#16
20090310625
2009-12-17

Method for distributing a common time reference within a distributed architecture

#17
20060083195
2006-04-20

MIMO communication system using an adaptive transmission mode switching technique

#18
20060039706
2006-02-23

Method and device for optical data transmission

#19
20050232216
2005-10-20

Dual mode communication systems and methods

#20
20050135501
2005-06-23

Module to module signaling with jitter modulation

#21
20050117678
2005-06-02

Method for resynchronization of a mobile radio receiver in the event of a changeover between two different modulation methods

#22
20050068900
2005-03-31

Data burst transmission methods in WLAN devices and systems

#23
20050053076
2005-03-10

Method to improve the resolution of time measurements and alignment in packet networks by time modulation