Patents-Review.com
ClassID:

223882 ⎘

H04B10/2972 - CPC Classification

Classification description:

Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication; Repeaters in which processing or amplification is carried out without conversion of the main signal from optical form; Bidirectional amplification Each direction being amplified separately

Recent Application in this class:
#1
20260025206
2026-01-22

OPTICAL TRANSMISSION APPARATUS, OPTICAL TRANSMISSION SYSTEM, AND OPTICAL TRANSMISSION METHOD

 #2
20250247152
2025-07-31

SYSTEM, APPARATUS AND METHOD FOR TWO-WAY TRANSPORT OF DATA OVER A SINGLE FIBER STRAND

 #3
20240421908
2024-12-19

PLUGGABLE OPTICAL AMPLIFIER FOR DATACENTER INTERCONNECTS

 #4
20240340084
2024-10-10

System, apparatus and method for two-way transport of data over a single fiber strand

 #5
20220393765
2022-12-08

System, apparatus and method for two-way transport of data over a single fiber strand

 #6
20220109509
2022-04-07

Method and network control device for optimizing performance of a multi-span optical fiber network

 #7
20220085889
2022-03-17

Colorless splitter/combiner cable assembly

 #8
20210384978
2021-12-09

Optical repeater and optical signal relay method

 #9
20210336700
2021-10-28

SYSTEM, APPARATUS AND METHOD FOR TWO-WAY TRANSPORT OF DATA OVER A SINGLE FIBER STRAND

 #10
20210281323
2021-09-09

Pluggable optical amplifier for datacenter interconnects

 #11
20210266138
2021-08-26

Switched amplifier for data transmission

 #12
20210242943
2021-08-05

Optical signal processing method and apparatus

 #13
20210075513
2021-03-11

System, apparatus and method for two-way transport of data over a single fiber strand

 #14
20210013966
2021-01-14

Free-space optical communication apparatus

 #15
20200195413
2020-06-18

Switched amplifier for data transmission

 #16
20200195341
2020-06-18

Use of band-pass filters in supervisory signal paths of an optical transport system

 #17
20200119812
2020-04-16

BIDIRECTIONAL OPTICAL TRANSMISSION SYSTEM AND BIDIRECTIONAL OPTICAL TRANSMISSION METHOD

 #18
20200067599
2020-02-27

System, apparatus and method for two-way transport of data over a single fiber strand

 #19
20180109321
2018-04-19

System, apparatus and method for two-way transport of data over a single fiber strand

 #20
20180069370
2018-03-08

Spatial division multiplexed optical communication systems and amplifiers for the same

 #21
20170019176
2017-01-19

System, apparatus and method for two-way transport of data over a single fiber strand

 #22
20160197697
2016-07-07

Optical line terminal for a passive optical wavelength division multiplex network

 #23
20150304033
2015-10-22

Power control in bidirectional WDM optical link

 #24
20150249314
2015-09-03

Optical amplification repeater and optical transmission station

 #25
20140161453
2014-06-12

Amplification apparatus and communication system

 #26
20130057948
2013-03-07

Bidirectional optical amplifier

 #27
20130044368
2013-02-21

Long reach optical amplification device, passive optical network, and method for transmitting optical signals

 #28
20120163830
2012-06-28

Optical repeater and optical signal amplifying method thereof

 #29
20100316373
2010-12-16

Bidirectional multi-wavelength optical signal routing and amplification module

 #30
20100027993
2010-02-04

Transmission path monitoring method and device

 #31
20100021159
2010-01-28

Optical transport system architecture for remote terminal connectivity

 #32
20090190925
2009-07-30

Optical transmission apparatus

 #33
20090028562
2009-01-29

Bidirectional optical amplifier arrangement

 #34
20060126163
2006-06-15

Continuous wave pumped parallel fiber optical parametric amplifier

 #35
20060029393
2006-02-09

Wideband optical module and PON using the same

 #36
20050232634
2005-10-20

Undersea optical transmission system employing low power consumption optical amplifiers

 #37
20050047789
2005-03-03

Bidirectional multichannel optical telecommunication system