ClassID:

223956

H04B10/695 - 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 optimizing the decision element in the receiver, e.g. by using automatic threshold control

Recent Application in this class:
#1
20250286629
2025-09-11

METHODS, SYSTEMS, AND APPARATUSES FOR PASSIVE OPTICAL NETWORKS

#2
20250226893
2025-07-10

MODEL-BASED DECISION FEEDBACK DETECTION FOR OPTICAL COMMUNICATION

#3
20250202578
2025-06-19

METHODS, DEVICES, AND SYSTEMS FOR INTEGRATION, BEAM FORMING AND STEERING OF ULTRA-WIDEBAND, WIRELESS OPTICAL COMMUNICATION DEVICES AND SYSTEMS

#4
20250015898
2025-01-09

OPTICAL RECEIVER, MASTER STATION DEVICE, OPTICAL COMMUNICATION SYSTEM

#5
20240259109
2024-08-01

Perturbation Based Hard Decision Nonlinearity Compensation

#6
20230283372
2023-09-07

Methods, devices, and systems for integration, beam forming and steering of ultra-wideband, wireless optical communication devices and systems

#7
20230261760
2023-08-17

Light receiving device and communication device

#8
20230239056
2023-07-27

METHODS, SYSTEMS, AND APPARATUSES FOR PASSIVE OPTICAL NETWORKS

#9
20220166505
2022-05-26

Methods, devices, and systems for integration, beam forming and steering of ultra-wideband, wireless optical communication devices and systems

#10
20220077928
2022-03-10

Methods, devices, and systems for integration, beam forming and steering of ultra-wideband, wireless optical communication devices and systems

#11
20220029286
2022-01-27

Method and device for selecting reception beam on basis of artificial neural network

#12
20210409121
2021-12-30

Transmitting and receiving device, terminal device, and transmitting and receiving system

#13
20210242945
2021-08-05

Optic signal receiver with dynamic control

#14
20210111793
2021-04-15

Finding the eye center with a low-power eye monitor using a 3-dimensional algorithm

#15
20210075515
2021-03-11

Communication system and communication apparatus

#16
20200336210
2020-10-22

Methods, devices, and systems for integration, beam forming and steering of ultra-wideband, wireless optical communication devices and systems

#17
20200336205
2020-10-22

Methods, devices, and systems for integration, beam forming and steering of ultra-wideband, wireless optical communication devices and systems

#18
20200321951
2020-10-08

Signal detector for GPON optical line terminal

#19
20200295844
2020-09-17

OPTICAL RECEIVER, OPTICAL TRANSMISSION SYSTEM, SUBMARINE OPTICAL CABLE SYSTEM, AND OPTICAL SIGNAL RECEIVING METHOD

#20
20200162169
2020-05-21

Optic signal receiver with dynamic control

#21
20200092013
2020-03-19

Device and method for providing a synchronized pattern sequence on multiple devices

#22
20200083961
2020-03-12

Waveform matching based optical digital signal receiving device

#23
20200021362
2020-01-16

Transceiver to transceiver digital optical commands

#24
20190356393
2019-11-21

Constellation selection threshold adaptation for slicer

#25
20190327002
2019-10-24

ISOLATION DEVICE, ISOLATION SENSOR PACKAGE, AND METHOD

#26
20190312648
2019-10-10

Optical transmission method and optical receiver apparatus for determining received symbols from a received electrical signal using an indication of a nonlinear impulse response of the direct detection and without performing equalization following the direct detection

#27
20190103922
2019-04-04

Optical receiver, optical transceiver using the same, and control method of reception of optical signals

#28
20190089466
2019-03-21

Optical receiver with three data slicers and one edge slicer

#29
20190081828
2019-03-14

Baud rate tracking and compensation apparatus and method

#30
20190081645
2019-03-14

Optical reception apparatus, system, and control method

#31
20190052363
2019-02-14

Threshold adjustment compensation of asymmetrical optical noise

#32
20190028207
2019-01-24

Low-Q inductive-peaking optical front-end

#33
20180234183
2018-08-16

Threshold adjustment compensation of asymmetrical optical noise

#34
20180198527
2018-07-12

Method and system for transmitter optimization of an optical PAM serdes based on receiver feedback

#35
20180109326
2018-04-19

Optical receiver, active optical cable, and control method for optical receiver

#36
20170366266
2017-12-21

Transceiver to transceiver digital optical commands

#37
20170346577
2017-11-30

Monitoring system, monitoring method, and storage medium having monitoring program stored therein

#38
20170331648
2017-11-16

Receiver with offset calibration

#39
20170201329
2017-07-13

Low-complexity multi-symbol log-likelihood ratio (LLR) calculation

#40
20170180043
2017-06-22

Signal encoding and decoding method, device and system

#41
20170019184
2017-01-19

Burst-signal reception circuit

#42
20170019179
2017-01-19

Method and system for transmitter optimization of an optical PAM serdes based on receiver feedback

#43
20160352433
2016-12-01

Optical reception circuit

#44
20160301480
2016-10-13

Signal decision circuit, optical receiver, and signal decision method

#45
20160204902
2016-07-14

Maximum likelihood decoding

#46
20160173204
2016-06-16

Optical signal recognition method and apparatus

#47
20160149648
2016-05-26

Optical receiver with threshold control block

#48
20160080843
2016-03-17

Optical engines and optical cable assemblies having electrical signal conditioning

#49
20160007135
2016-01-07

Audio channel control circuit

#50
20150200728
2015-07-16

Scheme for remote control of the output power of a transmitter in a smart SFP transceiver

#51
20150180588
2015-06-25

Receiver for optical transmission system

#52
20150171963
2015-06-18

Method and system for transmitter optimization of an optical PAM serdes based on receiver feedback

#53
20150139639
2015-05-21

SCHEME OF REMOTE CONTROL OF THE SLICING LEVEL OF A RECEIVER IN A SMART TRANSCEIVER

#54
20150016828
2015-01-15

Burst-mode receiver having a wide dynamic range and low pulse-width distortion and a method

#55
20140308046
2014-10-16

Compensation for optical multi-path interference

#56
20140301741
2014-10-09

Fast optical receiver

#57
20140093237
2014-04-03

Optical channel monitor

#58
20140093236
2014-04-03

Optical channel monitor

#59
20140086575
2014-03-27

Optical receiver, optical transmission system, and span-loss monitoring method

#60
20140029958
2014-01-30

Detecting apparatus, optical receiving apparatus, detecting method, and optical receiving method

#61
20140010538
2014-01-09

Optical polarization multilevel signal receiving apparatus, optical polarization multilevel signal transmitting apparatus, and optical polarization multilevel signal transmission apparatus

#62
20130294767
2013-11-07

Method and device for optimizing performance of an optical module

#63
20130279905
2013-10-24

Noise discriminator for passive optical network burst mode receiver

#64
20130279903
2013-10-24

Noise discriminator for enhanced noise detection in a passive optical network burst mode receiver

#65
20130234007
2013-09-12

Light receiving circuit having an automatic threshold control circuit for forming and allowing electric current flowing between a second potential line and first and second connection points

#66
20130216219
2013-08-22

Optical receiving device

#67
20130108280
2013-05-02

Data signal threshold detection and/or recovery in optical and/or optoelectric receivers and/or transceivers

#68
20130108278
2013-05-02

Data signal detection in optical and/or optoelectronic receivers and/or transceivers

#69
20130051497
2013-02-28

Method and apparatus for implementing slice-level adjustment

#70
20130039654
2013-02-14

Scheme for remote control of the output power of a transmitter in a smart SFP transceiver

#71
20130039652
2013-02-14

Scheme of remote control of the slicing level of a receiver in a smart transceiver

#72
20120315052
2012-12-13

Input isolation of a transimpedance amplifier in optical receivers

#73
20120281992
2012-11-08

Systems and methods for optical receiver decision threshold optimization

#74
20120281989
2012-11-08

Optical receiver

#75
20120280844
2012-11-08

Digital receiver and optical communication system that uses same

#76
20120274365
2012-11-01

Receiving circuit having a light receiving element which receives a light signal

#77
20120096327
2012-04-19

Joint carrier phase estimation and forward error correction

#78
20120093503
2012-04-19

Dynamically optimizing a decision threshold voltage in an optical transponder

#79
20120063786
2012-03-15

Clock recovery with channel coefficients

#80
20120051737
2012-03-01

Optical channel monitor

#81
20120027400
2012-02-02

Fast optical receiver for unencoded data

#82
20110305457
2011-12-15

Optical multi-level transmission system

#83
20110280571
2011-11-17

Signal processing device and method, and infrared multi-channel receiver

#84
20110222860
2011-09-15

Method and apparatus for generating a reference signal level and for cancelling amplifier offset in an optical system

#85
20110182574
2011-07-28

Method and apparatus optimizing decision threshold level of optical receiver

#86
20110176810
2011-07-21

System and method for multi-rate, high-sensitivity clock and data recovery with adjustable decision threshold, RF input, and optical-to-electrical conversion

#87
20110170874
2011-07-14

Method, system, and apparatus for optical communication

#88
20110164874
2011-07-07

Method for optimally adjusting a decision level of a receiver and device thereof

#89
20110044691
2011-02-24

Apparatus and method for detecting optical signals

#90
20110008055
2011-01-13

Combined burst mode level and clock recovery

#91
20100316394
2010-12-16

Optical receiver and jitter tolerance control method

#92
20100254702
2010-10-07

Clock recovery with channel coefficients

#93
20100178059
2010-07-15

System for dynamically optimizing a decision threshold voltage in an optical transponder

#94
20100172656
2010-07-08

Optical receiver circuit and optical coupling device

#95
20100150561
2010-06-17

OPTICAL RECEIVER, OPTICAL LINE TERMINAL AND METHOD OF RECOVERING RECEIVED SIGNALS

#96
20100092186
2010-04-15

Optical receiver and light receiving method

#97
20100067924
2010-03-18

Optical receiver

#98
20100054758
2010-03-04

Optical receiver with threshold voltage compensation

#99
20090322381
2009-12-31

Light receiving circuit, light receiving method, and storage medium

#100
20090310979
2009-12-17

Electronic circuit and communication system

#101
20090269076
2009-10-29

Systems and methods for optical receiver decision threshold optimization

#102
20090252505
2009-10-08

PHASE-MODULATED SIGNAL RECEIVING DEVICE

#103
20090142074
2009-06-04

OPTICAL RECEIVING APPARATUS, OPTICAL LINE TERMINAL APPARATUS, AND OPTICAL NETWORK SYSTEM

#104
20090047025
2009-02-19

Multiple Electrical Level Dispersion Tolerant Optical Apparatus

#105
20090028581
2009-01-29

Burst mode optical receiver and system and method therefor

#106
20090022502
2009-01-22

Receiving apparatus

#107
20080310861
2008-12-18

PON burst mode receiver with fast decision threshold setting

#108
20080310860
2008-12-18

Method and Apparatus for Decision Threshold Control In An Optical Signal Receiver

#109
20080298816
2008-12-04

Receiver and electronic device

#110
20080240737
2008-10-02

Optical receiver and control method for optical receiver

#111
20080212716
2008-09-04

Burst mode receiver for passive optical network

#112
20080170859
2008-07-17

System and method for multi-rate, high-sensitivity clock and data recovery with adjustable decision threshold, RF input, and optical-to-electrical conversion

#113
20080152363
2008-06-26

Polarization tracking and signal equalization for optical receivers configured for on-off keying or pulse amplitude modulation signaling

#114
20080152358
2008-06-26

Light detector detecting optical signal loss in an optical communication system

#115
20080080609
2008-04-03

Method and apparatus for non-linear decision-feedback equalization in the presence of asymmetric channel

#116
20080042735
2008-02-21

Signal-level detecting apparatus, optical receiver, and signal-level detecting method

#117
20080002985
2008-01-03

Optical receiver with electric ternary coding

#118
20070110190
2007-05-17

Digital apparatus for soft detection of multi-chip DBPSK signals

#119
20070098416
2007-05-03

Optical receiver and discrimination-threshold generating method

#120
20060136798
2006-06-22

Method and apparatus for decision threshold control in an optical signal receiver

#121
20060110170
2006-05-25

Optical receiver having transient compensation

#122
20060072926
2006-04-06

Optical signal receiver, and method for controlling identification point for binarization processing performed thereby

#123
20060067712
2006-03-30

Multistage amplifier for rapid acquisition and random received signal power applications

#124
20060067711
2006-03-30

Receiver with dynamically adjustable decision threshold voltage based on input power

#125
20060051104
2006-03-09

Receiving error rate control device

#126
20060002712
2006-01-05

Calibration of digital diagnostics information in an optical transceiver prior to reporting to host

#127
20050281565
2005-12-22

Burst mode optical receiver and system and method therefor

#128
20050226291
2005-10-13

Method for configuring a laser operating system

#129
20050185969
2005-08-25

Method and apparatus for processing optical duobinary signals

#130
20050169638
2005-08-04

Chirp managed laser fiber optic system including an adaptive receiver

#131
20050135818
2005-06-23

Apparatus for controlling decision threshold voltage to optical receiver

#132
20050100350
2005-05-12

Optical receiving device

#133
20050078966
2005-04-14

Identification level control method and optical receiver

#134
20050062530
2005-03-24

Variable decision threshold apparatus

#135
20050045806
2005-03-03

Photoelectric current and voltage converting circuit

#136
20050019042
2005-01-27

Method and apparatus for electronic equalization in optical communication systems

#137
17645341
2023-05-09

Determining sampling thresholds of SERDES receivers

#138
15959199
2019-01-29

DC-coupled optical burst-mode receiver

#139
14475648
2017-08-15

System and methods for autonomous signal modulation format identification

#140
13664576
2016-04-26

Maximum likelihood decoding