ClassID:

223959

H04B10/6972 - 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; Receivers; Non-coherent receivers, e.g. using direct detection; Electrical arrangements in the receiver; Arrangements for reducing noise and distortion using passive filtering

Recent Application in this class:
#1
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2026-03-05

MODULE WITH HIGH PEAK BANDWIDTH I/O CHANNELS

#2
20250365076
2025-11-27

OPTICAL TRANSMITTER, OPTICAL RECEIVER, OPTICAL TRANSMITTING NODE, AND OPTICAL INTERCONNECTION SYSTEM

#3
20250293776
2025-09-18

DETECTION AND/OR COMMUNICATION SYSTEM FOR A MOTOR VEHICLE COMPRISING A MODULE FOR RECEIVING A LIGHT BEAM

#4
20250141554
2025-05-01

OPTICAL TRANSCEIVER EQUIPPED WITH FILTERING CAPACITORS HAVING NOISE ABSORBER

#5
20250055574
2025-02-13

AUDIO SIGNAL TRANSMISSION DEVICE AND METHOD, AUDIO SIGNAL RECEPTION DEVICE AND METHOD, AND AUDIO SYSTEM

#6
20240283545
2024-08-22

OPTICAL SIGNAL RECEIVING APPARATUS, METHOD AND SYSTEM, OPTICAL LINE TERMINAL, COMPUTER-READABLE STORAGE MEDIUM

#7
20240223283
2024-07-04

MODULE WITH HIGH PEAK BANDWIDTH I/O CHANNELS

#8
20240204882
2024-06-20

OPTICAL TRANSMITTER, OPTICAL RECEIVER, OPTICAL SYSTEM AND METHOD FOR QUANTUM COMMUNICATION

#9
20230261760
2023-08-17

Light receiving device and communication device

#10
20230188220
2023-06-15

Apparatus and Methods for Mitigating Multipath Interference in Fiber Transmission System

#11
20230171002
2023-06-01

Apparatus and method for transmitting and receiving signals in wireless optical communication system

#12
20220209871
2022-06-30

Module with high peak bandwidth I/O channels

#13
20210306075
2021-09-30

Extended transit time array photodetector combiner (ETT-APC)

#14
20210297156
2021-09-23

Interference cancellation methods and apparatus

#15
20210167865
2021-06-03

Optical transmitter and/or receiver including an EMI filter, and methods of using the same

#16
20210036779
2021-02-04

Efficiently combining multiple taps of an optical filter

#17
20200267031
2020-08-20

System and methods for multi-level signal transmission

#18
20200092014
2020-03-19

Module with high peak bandwidth I/O channels

#19
20190326987
2019-10-24

Reception device, transmission device, optical communication system, and optical communication method

#20
20190215070
2019-07-11

Group array photodetector combiner

#21
20190068413
2019-02-28

System and methods for multi-level signal transmission

#22
20190028199
2019-01-24

Systems and methods for removal of nonlinear distortion from chirping laser signals

#23
20190007140
2019-01-03

Interference cancellation methods and apparatus

#24
20180367221
2018-12-20

Optical noise removal circuit, optical receiver, and optical chip

#25
20180183527
2018-06-28

Channel estimation using intra-symbol frequency domain averaging

#26
20180062763
2018-03-01

Method and system for a narrowband, non-linear optoelectronic receiver

#27
20180019814
2018-01-18

Optical transceiver compensation, monitoring and alarming

#28
20170170903
2017-06-15

Interference cancellation methods and apparatus

#29
20170048004
2017-02-16

Signal receiving method and receiver

#30
20160277121
2016-09-22

Pilot-aided coherent receiver for optical communications

#31
20160197680
2016-07-07

Nonlinear compensation method and apparatus and system in multicarrier optical communication system

#32
20160087728
2016-03-24

Method and system for a narrowband, non-linear optoelectronic receiver

#33
20140341592
2014-11-20

Apparatus and method of compensating for compact digital domain chromatic dispersion

#34
20140334832
2014-11-13

Method and system for a narrowband, non-linear optoelectronic receiver

#35
20140241728
2014-08-28

Method and system for receiving an optical-duo-binary signal

#36
20140029950
2014-01-30

Optical de-multiplexing device

#37
20140029949
2014-01-30

Optical de-multiplexing device

#38
20090304391
2009-12-10

Optical communications system having chromatic dispersion and polarization mode dispersion compensation

#39
20090245309
2009-10-01

Dispersion compensating varactor circuit

#40
20090238578
2009-09-24

APPARATUS AND METHOD OF COMPENSATING FOR COMPACT DIGITAL DOMAIN CHROMATIC DISPERSION

#41
20090168940
2009-07-02

Methods and apparatus for improved jitter tolerance in an SFP limit amplified signal

#42
20090097865
2009-04-16

Method and system for a narrowband, non-linear optoelectronic receiver

#43
20050195866
2005-09-08

Circuit for filtering a laser signal

#44
20050105919
2005-05-19

Optical receiver and optical transmission system

#45
20050041985
2005-02-24

Transimpedance amplifier

#46
16511715
2020-07-28

Efficiently combining multiple taps of an optical filter

#47
15278859
2017-09-12

Adaptive equalization for vestigial sideband (VSB) transmissions