Patents-Review.com
ClassID:

223901 ⎘

H04B10/50593 - 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; Transmitters; Structural aspects; Laser transmitters using external modulation using a feed-forward signal generated by analysing the optical or electrical input to control the modulating signal amplitude including amplitude distortion

Recent Application in this class:
#1
20240283544
2024-08-22

OPTICAL TRANSMISSION SYSTEM, TRANSMISSION APPARATUS, RECEIVING APPARATUS AND METHOD FOR DEVICE CHARACTERISTIC ESTIMATION

 #2
20220140912
2022-05-05

Phase response measurement method and apparatus

 #3
20200177283
2020-06-04

Pluggable optical module and optical communication system

 #4
20200116932
2020-04-16

Electro-absorption modulator with integrated control loop for linearization and temperature compensation

 #5
20190305851
2019-10-03

Transition based feedforward equalization method and apparatus implemented with lookup table circuits

 #6
20190238234
2019-08-01

Integrated control loop for linearization and temperature compensation of an electro-absorption modulator

 #7
20190173586
2019-06-06

PAM-4 transmitter precoder for 1+0.5D PR channels

 #8
20190068288
2019-02-28

Electro-absorption bias circuit for electro-absorption modulators

 #9
20180191443
2018-07-05

Adaptive Mach Zehnder modulator linearization

 #10
20180054256
2018-02-22

Monitoring an optical converter

 #11
20170250755
2017-08-31

SEMICONDUCTOR DEVICE

 #12
20160337040
2016-11-17

Adaptive mach zehnder modulator linearization

 #13
20160112138
2016-04-21

Apparatus and method for monitoring signal quality of a modulated optical signal

 #14
20150229403
2015-08-13

Adaptive mach zehnder modulator linearization

 #15
20150097622
2015-04-09

Amplifier circuit

 #16
20120251128
2012-10-04

Optical transmitter and method for optical signal waveform compensation

 #17
20110020005
2011-01-27

Externally modulated laser optical transmission system with feed forward noise cancellation

 #18
20100034542
2010-02-11

Methods and apparatus for generation and transmission of optical signals

 #19
20090232517
2009-09-17

Ditherless optical modulator control

 #20
20080107428
2008-05-08

Optical transmitter and optical communication system

 #21
20080075469
2008-03-27

Optical transmitter with SBS suppression

 #22
20080002989
2008-01-03

Apparatus and method for generating an optical single sideband signal

 #23
20070206962
2007-09-06

Externally modulated laser optical transmission system with feed forward noise cancellation

 #24
20070206961
2007-09-06

Optical transmission system with directly modulated laser and feed forward noise cancellation

 #25
20070206956
2007-09-06

Optical transmitting device, optical transmission system, optical transmitting method and optical transmission method

 #26
20070006410
2007-01-11

Toothbrush

 #27
20050047796
2005-03-03

RF photonics residual error correction

 #28
20050041984
2005-02-24

Electro-absorption modulation of optical signals

 #29
20050008373
2005-01-13

Multi-wavelength generating method and apparatus based on flattening of optical spectrum

 #30
15827960
2019-02-12

PAM-4 transmitter precoder for 1+0.5D PR channels