ClassID:

223903

H04B10/50597 - 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 phase of the modulating signal

Recent Application in this class:
#1
20250184010
2025-06-05

SYSTEM AND METHOD FOR OPTICAL COMMUNICATION

#2
20240235689
2024-07-11

OPTICAL SIGNAL SENDING APPARATUS

#3
20230318710
2023-10-05

Method and system for optical timing transfer

#4
20230273497
2023-08-31

Semiconductor IQ Modulator

#5
20230121555
2023-04-20

System and method for optical communication

#6
20220021450
2022-01-20

Self-referenced method and apparatus for in-operation measurement of a coherent optical transmitter's modulation loss

#7
20210119707
2021-04-22

Data transmission on phase components of an optical carrier by direct modulation of reflectors of a laser

#8
20190173586
2019-06-06

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

#9
20190109639
2019-04-11

Compensation of transmitter or receiver defects in an optical communications system

#10
20180076887
2018-03-15

Optical dispersion compensation in the electrical domain in an optical communications system

#11
20180007645
2018-01-04

Outphasing power management circuit for radio frequency (RF) beamforming

#12
20170078016
2017-03-16

Optical dispersion compensation in the electrical domain in an optical communications system

#13
20140212136
2014-07-31

Optical transmitter and modulated optical signal generating method

#14
20110305464
2011-12-15

Apparatus for compensating optical signal impairments

#15
20110020005
2011-01-27

Externally modulated laser optical transmission system with feed forward noise cancellation

#16
20100254716
2010-10-07

Control apparatus and control method for optical modulator

#17
20090232517
2009-09-17

Ditherless optical modulator control

#18
20090034988
2009-02-05

Control apparatus and control method for optical modulator

#19
20080273874
2008-11-06

Method and apparatus for low chirp transmitter for optical fiber communications

#20
20080075469
2008-03-27

Optical transmitter with SBS suppression

#21
20070206962
2007-09-06

Externally modulated laser optical transmission system with feed forward noise cancellation

#22
20070206961
2007-09-06

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

#23
20070065161
2007-03-22

Optical transmitting apparatus and optical communication system

#24
20070006410
2007-01-11

Toothbrush

#25
20060285853
2006-12-21

Optical signal generating circuit and optical transmission line

#26
20060222371
2006-10-05

Optical communication system, method, and optical transmitting station

#27
20060078336
2006-04-13

Optical dispersion compensation in the electrical domain in an optical communications system

#28
20050265726
2005-12-01

Optical signal generating circuit and optical transmission line

#29
20050008373
2005-01-13

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

#30
20050008364
2005-01-13

Location specific optical monitoring

#31
18531874
2024-08-20

Laser signal transmission system

#32
15827960
2019-02-12

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