ClassID:

231340

H04Q2011/0047 - CPC Classification

Classification description:

Selecting arrangements for multiplex systems using optical switching; Switch and router aspects; Operation Broadcast; Multicast

Recent Application in this class:
#1
20250220325
2025-07-03

SILICON PHOTONICS-BASED CHIPLET ACCELERATOR FOR DNN INFERENCE

#2
20240113798
2024-04-04

Scalable add/drop colorless, directionless, and contentionless optical architectures

#3
20230209229
2023-06-29

COMMUNICATION NETWORKS INCLUDING SERVING AREA BRIDGING CONNECTIONS AND ASSOCIATED METHODS

#4
20220248111
2022-08-04

Method and apparatus for ONU activation

#5
20220149933
2022-05-12

Optical line terminal and an optical network unit

#6
20210377634
2021-12-02

REMOTE DATA MULTICASTING AND REMOTE DIRECT MEMORY ACCESS OVER OPTICAL FABRICS

#7
20210352387
2021-11-11

Ranging method and communication method for optical network, OLT, ONU, and optical network system

#8
20210218491
2021-07-15

Optical protection switch with broadcast multi-directional capability

#9
20210021915
2021-01-21

Remote data multicasting and remote direct memory access over optical fabrics

#10
20200358525
2020-11-12

Hardware-based protection group switching method and optical communication equipment

#11
20200351005
2020-11-05

Optical multicast switch with broadcast capability

#12
20200284989
2020-09-10

Apparatus, systems, and methods for nonblocking optical switching

#13
20200274633
2020-08-27

Transmitting device and transmission system

#14
20200083976
2020-03-12

Optical protection switch with broadcast multi-directional capability

#15
20200007262
2020-01-02

Upgradeable colorless, directionless, and contentionless optical architectures

#16
20190349111
2019-11-14

Add drop structure

#17
20190342641
2019-11-07

COMMUNICATION NETWORKS INCLUDING SERVING AREA BRIDGING CONNECTIONS AND ASSOCIATED METHODS

#18
20190320248
2019-10-17

Multipoint, contentionless wavelength selective switch (WSS)

#19
20190319736
2019-10-17

Configurable wide area distributed antenna system

#20
20190165877
2019-05-30

ENERGY EFFICIENT, CONTENTIONLESS NxM ROADM WITH AMPLIFIED SINGLE WAVELENGTH DROP/ADD PORTS AND CORRESPONDING METHODS

#21
20190103935
2019-04-04

Optical multicast switch with broadcast capability

#22
20190103934
2019-04-04

Optical protection switch with broadcast multi-directional capability

#23
20180335574
2018-11-22

Apparatus, systems, and methods for nonblocking optical switching

#24
20180138980
2018-05-17

Optical transceiver, communication system, and adaptive frequency control method

#25
20170311058
2017-10-26

Multipoint, contentionless wavelength selective switch (WSS)

#26
20170307818
2017-10-26

Intersecting splitter, and multicast switch and multicast switch module using same

#27
20170214568
2017-07-27

Terminal upgrade method and related device with multicast program

#28
20170214460
2017-07-27

Point-to-multipoint digital radio frequency transport

#29
20170105061
2017-04-13

Passive optical network (PON) supporting fragmentation function of media access control (MAC) frame

#30
20170104632
2017-04-13

Placement of wavelength shifters in optical networks

#31
20170099531
2017-04-06

Free-space multicast switch with elliptical beams

#32
20170078044
2017-03-16

Optical transmitter, optical communication device, optical communication system, and optical transmission method

#33
20170018174
2017-01-19

Method and apparatus for communicating with premises equipment

#34
20170017484
2017-01-19

Flashless optical network unit

#35
20160380857
2016-12-29

Monitoring of IP multicast delivery over an optical network

#36
20160309244
2016-10-20

Optical signal control method and apparatus, and optical switch matrix control method and apparatus

#37
20160248508
2016-08-25

Point-to-multipoint digital radio frequency transport

#38
20160165326
2016-06-09

Configuring a computer network to satisfy multicast dispersion and latency requirements using affinity and network topologies

#39
20160164611
2016-06-09

Affinity modeling in a data center network

#40
20160134954
2016-05-12

Method and apparatus for data packet switching, access switch and switching system

#41
20160105404
2016-04-14

Extending data over cable service interface specification (DOCSIS) provisioning of ethernet passive optical network (EPON) (DPoE) to EPON over coax (EPoC) multicast key management

#42
20160099851
2016-04-07

Method and system for optical connection validation in a reconfigurable optical add-drop multiplexer (ROADM) node

#43
20160094469
2016-03-31

Station-side terminal apparatus, and path switching method

#44
20160025934
2016-01-28

Dual-ganged optical switch

#45
20160021436
2016-01-21

Optical multiplexor switch for free space optical communication

#46
20150381302
2015-12-31

Telecommunications network node linking a metropolitan area network with at least one access network

#47
20150334048
2015-11-19

Traffic adjustment method and apparatus

#48
20150244492
2015-08-27

Apparatus and manufacturing method for an integrated multicast switch, for use in reconfigurable optical add-drop networks

#49
20150131992
2015-05-14

METHOD AND APPARATUS FOR OPTICAL SIGNAL CONTROL USING FILTER IN MULTICASTING RING NETWORK NODE AND PROTECTION SWITCHING IN OPTICAL MULTIPLEX SECTION

#50
20140348504
2014-11-27

Directionless optical architecture and highly available network and photonic resilience methods

#51
20140314104
2014-10-23

Flexible remote node (RN) for dynamic traffic allocation in passive optical networking (PON) and mobile backhaul (MBH) applications

#52
20140161454
2014-06-12

Expandable multicast optical switch

#53
20130148960
2013-06-13

Modular kit of devices for variable distribution, mixing and monitoring of optical signals in the internet and other networks

#54
20130121636
2013-05-16

Optical node configuration apparatus

#55
20130108259
2013-05-02

Affinity modeling in a data center network

#56
20110317609
2011-12-29

Methods and systems for providing reliable multicast service in a WLAN system

#57
20100310254
2010-12-09

Device for multicast of optical signals in the internet and other networks

#58
20100209104
2010-08-19

Technique for forwarding packets in a gigabit passive optical network (GPON)

#59
20100061291
2010-03-11

Point-to-multipoint digital radio frequency transport

#60
20100014863
2010-01-21

Optical signal switching device

#61
20090232492
2009-09-17

Directionless optical architecture and highly available network and photonic resilience methods

#62
20090175620
2009-07-09

Wavelength-switched optical add-drop multiplexer with wavelength broadcasting capability

#63
20070274721
2007-11-29

N-way broadcast / narrowcast combiner

#64
20070189207
2007-08-16

Methods and systems for providing reliable multicast service in a WLAN system

#65
20060269295
2006-11-30

Optical double sideband modulation technique with increased spectral efficiency

#66
20060153563
2006-07-13

Delivering multicast services on a wavelength division multiplexed network using a configurable four-port wavelength selective crossbar switch

#67
20060093361
2006-05-04

Optical bus system

#68
20050163430
2005-07-28

Distributing signal cross-connector for optical connectors

#69
20050047713
2005-03-03

Process of optical WDM bus networking with DWDM expansion for the method of protected point to point, point to multipoint and broadcast connections

#70
20050047392
2005-03-03

Method and system for optical routing of variable-length packet data

#71
20050013314
2005-01-20

Multicast transmission method in GEM mode in Gigabit-capable passive optical network and method of processing frame

#72
15978879
2019-07-09

Spectral slot assignment and placement of wavelength shifters in flexible grid optical networks

#73
15351663
2018-02-20

Optical transceiver having an interface circuit with a routing capability

#74
15344891
2017-12-26

Method for constructing an AWG based N×N non-blocking optical multicast switching network

#75
14858086
2017-08-22

Optical switching system with a colorless, directionless, and contentionless ROADM connected to unamplified drop channels