ClassID:

224537

H04J14/0235 - CPC Classification

Classification description:

Optical multiplex systems; Wavelength-division multiplex systems; Operation, administration, maintenance or provisioning [OAMP] of WDM networks, e.g. media access, routing or wavelength allocation; Wavelength allocation for communications one-to-all, e.g. broadcasting wavelengths in WDM passive optical networks [WDM-PON] for upstream transmission

Sub-classes:
Recent Application in this class:
#1
20260081693
2026-03-19

BIDIRECTIONAL OPTICAL CONTROL DEVICE AND METHOD

#2
20250158731
2025-05-15

PHYSICAL MEDIUM DEPENDENT (PMD) MODULE WITH BURST PREDICTION

#3
20230155714
2023-05-18

Physical medium dependent (PMD) module with burst prediction

#4
20230062679
2023-03-02

Systems and methods for measurement of optical parameters in an optical network

#5
20220294551
2022-09-15

Upstream resource grant method, related device, and computer-readable storage medium

#6
20220046342
2022-02-10

Systems and methods for measurement of optical parameters in an optical network

#7
20210289274
2021-09-16

Systems and methods for measurement of optical parameters in an optical network

#8
20210013968
2021-01-14

Systems and methods for optical modulation index calibration in a CATV network

#9
20200014554
2020-01-09

Home side device and method of clearing management table

#10
20190379456
2019-12-12

Systems and methods for optical modulation index calibration in a CATV network

#11
20190123846
2019-04-25

Enhanced passive optical network

#12
20190089477
2019-03-21

Channel bonding in multiple-wavelength passive optical networks (PONs)

#13
20180316456
2018-11-01

Method and apparatus for reducing preamble length in passive optical network (PON) systems

#14
20180191455
2018-07-05

System and method for passive optical network communication

#15
20170317779
2017-11-02

Channel Bonding in Multiple-Wavelength Passive Optical Networks (PONs)

#16
20170207852
2017-07-20

Systems and methods for optical modulation index calibration in a CATV network

#17
20170054719
2017-02-23

Optical network unit ONU registration method, apparatus, and system

#18
20160352451
2016-12-01

System and method for passive optical network communication

#19
20160248507
2016-08-25

Systems and methods for burst detection in a CATV network

#20
20160072607
2016-03-10

Method and apparatus for reconfiguring wavelength of optical network unit

#21
20150304041
2015-10-22

Systems and methods for burst detection in a CATV network

#22
20150304040
2015-10-22

Systems and methods for optical modulation index calibration in a CATV network

#23
20150304039
2015-10-22

Systems and methods for clip prevention in a CATV network

#24
20150304038
2015-10-22

Active optical combiner for CATV network

#25
20140369688
2014-12-18

Systems and methods for sharing of optical network terminals in passive optical network

#26
20140139909
2014-05-22

Optical amplification device and optical amplification method

#27
20130223841
2013-08-29

TIME/WAVELENGTH-DIVISION MULTIPLEXED PASSIVE OPTICAL NETWORK (TWPON)

#28
20130039656
2013-02-14

Migratable wavelength division multiplexing passive optical network

#29
20120177373
2012-07-12

Communication system and method for directly transmitting signals between nodes of a communication system

#30
20110236017
2011-09-29

Methods and devices for wavelength alignment in WDM-PON

#31
20100111520
2010-05-06

MULTIPLE INTERCONNECTED BROADCAST AND SELECT OPTICAL RING NETWORKS WITH REVERTIBLE PROTECTION SWITCH

#32
20070086332
2007-04-19

Optical ring networks using circulating optical probe in protection switching with automatic reversion

#33
20060275035
2006-12-07

Multiple interconnected broadcast and select optical ring networks with revertible protection switch