ClassID:

223942

H04B10/671 - 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; Optical arrangements in the receiver for controlling the input optical signal

Sub-classes:
Recent Application in this class:
#1
20260100768
2026-04-09

SYSTEMS AND METHODS FOR GENERATING ENTROPY ACCORDING TO A DESIRED DISTRIBUTION

#2
20250070887
2025-02-27

Optical Data Transmission Through Aircraft Window

#3
20250030497
2025-01-23

OPTICAL SYSTEM WITH OFFLOADED OPTICAL COMPONENTS

#4
20240345328
2024-10-17

RECEPTION DEVICE AND COMMUNICATION DEVICE

#5
20240302609
2024-09-12

Polarization Diverse Receiver with Delays

#6
20240039634
2024-02-01

Bi-directional and multi-channel optical module with single transmitter and multiple receivers in single casing

#7
20230086130
2023-03-23

Optic signal receiver, optic communication system and optic communication method

#8
20220360341
2022-11-10

Light-receiving device

#9
20220200705
2022-06-23

System and method for receiver sensitivity improvement

#10
20220190929
2022-06-16

Dual polarization unit for coherent transceiver or receiver

#11
20220128792
2022-04-28

Fast temperature tuning for optical receivers

#12
20210356660
2021-11-18

Semiconductor device and method of manufacturing the same

#13
20210306075
2021-09-30

Extended transit time array photodetector combiner (ETT-APC)

#14
20210109281
2021-04-15

Multiple stage Bragg gratings in multiplexing applications

#15
20210091859
2021-03-25

Receiver for receiving information transmitted using very weak light pulses, a system for transmitting information comprising such a receiver and a method for transmitting information using very weak light pulses

#16
20210021351
2021-01-21

Methods and apparatus for cavity length tuning for operating point optimization

#17
20210018817
2021-01-21

Demodulator with optical resonator

#18
20200400878
2020-12-24

Multiple stage Bragg gratings in multiplexing applications

#19
20200213007
2020-07-02

Communication terminal based on free space optical communication, communication device and communication system

#20
20200127741
2020-04-23

System and method for receiver sensitivity improvement

#21
20200076513
2020-03-05

Semiconductor device

#22
20190356392
2019-11-21

Coherent aperture combining using machine learning

#23
20190319715
2019-10-17

Integrated optical resonant detector

#24
20190277694
2019-09-12

Ultrahigh resolution photonic spectral processor

#25
20190229813
2019-07-25

Polarization independent directional coupler

#26
20190215070
2019-07-11

Group array photodetector combiner

#27
20190173588
2019-06-06

DC current cancellation scheme for an optical receiver

#28
20190132048
2019-05-02

Optical communication system and method

#29
20190109649
2019-04-11

Split optical front end receivers

#30
20190097731
2019-03-28

Wireless communication device and apparatus

#31
20190007136
2019-01-03

Substrate, Display Panel and Display Apparatus

#32
20190007091
2019-01-03

Optical rake receiver using an etalon detector

#33
20180306569
2018-10-25

Intensity Noise Reduction Methods and Apparatus for Interferometric Sensing and Imaging Systems

#34
20180254836
2018-09-06

Optical interconnect in spin-based computation and communication systems

#35
20180167145
2018-06-14

Frequency demodulation systems and methods for optical signals

#36
20180091230
2018-03-29

Systems and methods for detection and demodulation of optical communication signals

#37
20180091228
2018-03-29

Systems and methods for demodulation of free space optical signals without wavefront correction

#38
20170214472
2017-07-27

Apparatus and methods for reconfigurable optical receivers

#39
20170115499
2017-04-27

Optical communications module having an optics system that improves link performance, and methods

#40
20170093490
2017-03-30

Sub-sampling raster lines in rolling shutter mode for light-based communication

#41
20160294479
2016-10-06

Communication device and wavelength adjustment method

#42
20160285581
2016-09-29

Variation-tolerant wavelength division multiplexing receiver and transceiver, and associated methods

#43
20160277120
2016-09-22

Radiation receiver apparatus

#44
20160204894
2016-07-14

Stokes-vector-based transmission and detection of optical polarization-division-multiplexed signals

#45
20160173196
2016-06-16

System and method for non-contact identification of a passive target

#46
20160013870
2016-01-14

Mode conversion for optical isolation

#47
20150333839
2015-11-19

Optical interconnect in spin-based computation and communication systems

#48
20150331193
2015-11-19

Self-equalizing photo detector

#49
20150288455
2015-10-08

Multiple high frequency bands small form factor pluggable receiving unit

#50
20150261016
2015-09-17

Semiconductor optical modulation device

#51
20150236797
2015-08-20

Method and apparatus for selecting wavelength by wavelength tunable optical receiver

#52
20150153157
2015-06-04

Intensity noise reduction methods and apparatus for interferometric sensing and imaging systems

#53
20150147068
2015-05-28

Optical transmission converter, memory system comprising same, and related method of operation

#54
20150131996
2015-05-14

Optical receiver, optical signal processing method, and optical transmission system

#55
20150055665
2015-02-26

Receiver optical module for wavelength multiplexed signal

#56
20140376930
2014-12-25

Optical receiver and method for controlling optical receiver, optical receiver, method for controlling optical receiver, and method for receiving light

#57
20130322807
2013-12-05

Integrated light source independent linewidth reduction

#58
20130294765
2013-11-07

Polarization multiplexing optical receiving device and polarization multiplexing optical receiving method

#59
20130243441
2013-09-19

Method to control optical receiver implemented with semiconductor optical amplifier and method to control optical communication

#60
20130044974
2013-02-21

Endless phase shifting

#61
20130034354
2013-02-07

Polarization-multiplexed signal receiver, polarization multiplexing system and polarization-multiplexed signal receiving method

#62
20120287949
2012-11-15

POLARIZATION MULTIPLEXED SIGNALING USING TIME SHIFTING IN RETURN-TO-ZERO FORMAT

#63
20120213511
2012-08-23

SYSTEM, METHOD, AND DEVICE FOR OPTICAL TRANSMISSION BASED ON POLARIZATION MULTIPLEXING

#64
20120207475
2012-08-16

Receiving apparatus, sending apparatus, system and method for optical polarization division multiplexing

#65
20120008937
2012-01-12

Power saving in passive optical networks using dynamic data rate scaling

#66
20110280587
2011-11-17

PMD insensitive direct-detection optical OFDM systems using self-polarization diversity

#67
20110228280
2011-09-22

Intensity noise reduction methods and apparatus for interferometric sensing and imaging systems

#68
20110211847
2011-09-01

Optical receiver and clock generation method

#69
20110206375
2011-08-25

METHOD, DEVICE, AND SYSTEM FOR OPTICAL POLARIZATION DIVISION MULTIPLEXING OF OPTICAL CARRIER

#70
20110038642
2011-02-17

Technique for detection of optical data signals

#71
20110026941
2011-02-03

Variable dispersion compensation device

#72
20110019995
2011-01-27

Optical transmission receiver and method for the same

#73
20100284702
2010-11-11

Optical receivers with controllable transfer function bandwidth and gain imbalance

#74
20100221021
2010-09-02

Optical receiver and control apparatus

#75
20100196008
2010-08-05

Methods and apparatus for recovering first and second transmitted optical waves from a polarization multiplexed optical wave

#76
20090285585
2009-11-19

Method and apparatus for polarization stabilization in optical receivers with complex modulation formats

#77
20090245811
2009-10-01

High bandwidth communication system and method

#78
20090074415
2009-03-19

PMD insensitive direct-detection optical OFDM systems using self-polarization diversity

#79
20080232821
2008-09-25

Optical receiver having transfer function bandwidth selection

#80
20080187323
2008-08-07

Optical receiver and controlling method thereof, and optical transmission system

#81
20080107429
2008-05-08

Spectrally phase encoded optical code division multiple access system

#82
20080101799
2008-05-01

Polarization mode dispersion monitoring and fault correlation

#83
20080025730
2008-01-31

Method and apparatus for autonomous adaptation of an optical dispersion compensation ("ODC") module

#84
20070259641
2007-11-08

Heterodyne receiver array using resonant structures

#85
20070230966
2007-10-04

Single interface with automatic rate detection and selection for multiple optical communication standards

#86
20070009265
2007-01-11

Optical transmission system using optical signal processing in terminals for improved system performance

#87
20060072921
2006-04-06

Optical transmission system for frequency-multiplexed signal

#88
20050163427
2005-07-28

Optical packet header identifier, optical router incorporating the same therein, and optical routing method using the router

#89
20050111850
2005-05-26

Optical transmission system for frequency-multiplexed signal

#90
20050018270
2005-01-27

Optical data receiver systems

#91
16402558
2020-07-14

Optical coherent receiver

#92
15993991
2019-01-29

Detection of visible light communication sources over a high dynamic range

#93
15857514
2019-05-28

Coherent aperture combining using machine learning