ClassID:

223950

H04B10/691 - 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 photodetector in the receiver

Sub-classes:
Recent Application in this class:
#1
20260039394
2026-02-05

FIBER-COUPLED SINGLE-ELEMENT BALANCED RECEIVER

#2
20250379660
2025-12-11

OPTICAL BURST MODE RECEIVER

#3
20250373338
2025-12-04

Communications Without Power Transmission

#4
20250329981
2025-10-23

SYSTEM AND METHOD FOR ICE CUTTING

#5
20240430013
2024-12-26

Fast optical receiver recovery on client side using optical interconnects with DSPs

#6
20240388367
2024-11-21

SIGNAL PROCESSING APPARATUS

#7
20240372624
2024-11-07

COMMUNICATION CONTROL DEVICE, COMMUNICATION DEVICE, COMMUNICATION CONTROL METHOD, AND RECORDING MEDIUM

#8
20240372615
2024-11-07

RECEIVER DEVICE FOR COMMUNICATION BY MODULATED LIGHT TRANSMISSION

#9
20240364428
2024-10-31

MULTI-PHOTODETECTOR CIRCUITS AND OPTICAL RECEIVER INCORPORATING A MULTI-PHOTODETECTOR CIRCUIT

#10
20240305384
2024-09-12

RECEIVER SYSTEM AND METHOD OF OPERATING A RECEIVER SYSTEM

#11
20240187109
2024-06-06

AN OPTICAL DETECTOR

#12
20240162989
2024-05-16

Integrated photonic integrated circuit (PIC) and readout integrated circuit (ROIC) for high-speed data output from focal plane array

#13
20240121008
2024-04-11

RECEIVER OPTICAL SUB-ASSEMBLY, BI-DIRECTIONAL OPTICAL SUB-ASSEMBLY, OPTICAL MODULE, AND OPTICAL NETWORK DEVICE

#14
20240094051
2024-03-21

FLUORESCENT ANTENNA, OPTICAL RECEIVER, AND SIGNAL PROCESSING METHOD

#15
20240004128
2024-01-04

OPTICAL CHANNEL BANDWIDTH ANALYZER

#16
20230335664
2023-10-19

Cascaded Avalanche Photodiode with High Responsivity and High Saturation Current

#17
20230299856
2023-09-21

Common-mode current adjustment in a receiver

#18
20230197758
2023-06-22

Photodetecting device with enhanced collection efficiency

#19
20230127848
2023-04-27

Fast optical receiver recovery on client side using optical interconnects with DSPs

#20
20230054279
2023-02-23

Microstructure enhanced absorption photosensitive devices

#21
20230003935
2023-01-05

Optical channel bandwidth analyzer

#22
20220345225
2022-10-27

Reception device

#23
20220239382
2022-07-28

In-phase to quadrature-phase imbalance in an optical data modulator

#24
20220224411
2022-07-14

METHOD FOR DECODING A LUMINOUS COMMUNICATION SIGNAL AND OPTOELECTRONIC SYSTEM

#25
20220158740
2022-05-19

Receiver optical sub-assembly, bi-directional optical sub-assembly, optical module, and optical network device

#26
20220131020
2022-04-28

Electrode structure and photodetection element

#27
20220107473
2022-04-07

Determining pointing accuracy using optical fiber bundle

#28
20220021465
2022-01-20

Ultraviolet detection with high-speed wavelength-converting layer

#29
20210376935
2021-12-02

Optical receiver with an optically compensated amplifier control loop

#30
20210359759
2021-11-18

Power over fiber system

#31
20210314656
2021-10-07

HDMI apparatus using optical communication

#32
20210266074
2021-08-26

Optical receiver with separated magnitude modulation and phase modulation and operation method thereof

#33
20210249835
2021-08-12

Photodetector chip, optical receiving and transceiver components, optical module, and communications device

#34
20210242354
2021-08-05

Microstructure enhanced absorption photosensitive devices

#35
20210159975
2021-05-27

Multi-wavelength power sensing

#36
20210126602
2021-04-29

Optical receiver and transimpedance amplifier circuit

#37
20210083780
2021-03-18

Optical receiver

#38
20210075518
2021-03-11

Circuit for multiplexing MON pin of receiver optical sub-assembly for optical communication

#39
20210067246
2021-03-04

Compact free space communication

#40
20210036785
2021-02-04

Power over fiber system and power-supplying-side data communication device of power over fiber system

#41
20210036782
2021-02-04

Detection circuit having reduced noise

#42
20200413167
2020-12-31

Optical filtering module and method

#43
20200382218
2020-12-03

DEVICE AND METHOD FOR COMMUNICATION BETWEEN A HANDHELD APPARATUS WITH FLASH AND ELECTRONIC EQUIPMENT WITH LUMINOSITY RECEIVER

#44
20200359084
2020-11-12

HDMI apparatus using optical communication

#45
20200328810
2020-10-15

Systems and methods for adjusting movable lenses in directional free-space optical communication systems for portable electronic devices

#46
20200304212
2020-09-24

Wavelength de-multiplexing system and optical receiver module

#47
20200266892
2020-08-20

GATE-BASED OPTICAL DATA TRANSMISSION

#48
20200235823
2020-07-23

OPTICAL RECEIVER WITH A CASCODE FRONT END

#49
20200194486
2020-06-18

Photodetecting device with enhanced collection efficiency

#50
20200183108
2020-06-11

Optical module

#51
20200174183
2020-06-04

Optical channel bandwidth analyzer

#52
20200162171
2020-05-21

Low brightness, entanglement-based, semi-passive private communication protocol

#53
20200162170
2020-05-21

Method and system for waveguide delay based equalization with summing at single-ended to differential converters in optical communication

#54
20200162168
2020-05-21

Calibration for an optical communications link

#55
20200145113
2020-05-07

Optical module

#56
20200112378
2020-04-09

Optical beamforming photonic integrated circuit (PIC)

#57
20200092007
2020-03-19

Data transmission method, device, and system

#58
20200028590
2020-01-23

Distributed antenna system for transmitting service signal and management control signal in 5G mobile communication system, and remote unit thereof

#59
20200028000
2020-01-23

Microstructure enhanced absorption photosensitive devices

#60
20200007229
2020-01-02

Multi-wavelength power sensing

#61
20190379952
2019-12-12

Monitoring multiple passive optical networks

#62
20190372667
2019-12-05

Systems and methods for adjusting movable lenses in directional free-space optical communication systems for portable electronic devices

#63
20190356390
2019-11-21

Optical transmission/reception circuit

#64
20190319707
2019-10-17

Systems and methods for single optical fiber data transmission

#65
20190288132
2019-09-19

Microstructure enhanced absorption photosensitive devices

#66
20190222322
2019-07-18

Electronic device associated with a photovoltaic module to optimise the throughput of a bidirectional VLC transmission

#67
20190181955
2019-06-13

Emitter of a monochromatic optical signal

#68
20190158179
2019-05-23

DETECTING SIGNALS EMBEDDED IN VISIBLE LIGHT

#69
20190123833
2019-04-25

Apparatus and method for decoding ROI regions in image

#70
20190123819
2019-04-25

Monitoring performance of optical network equipment using pilot tones

#71
20190109650
2019-04-11

Wavelength de-multiplexing system and optical receiver module

#72
20190103921
2019-04-04

Optical receiver with optical demultiplexer

#73
20190081828
2019-03-14

Baud rate tracking and compensation apparatus and method

#74
20190068291
2019-02-28

Optical channel-to-wavelength tuning

#75
20190037183
2019-01-31

Systems, devices, and methods for laser projectors

#76
20190033698
2019-01-31

Systems, devices, and methods for laser projectors

#77
20190033585
2019-01-31

Systems, devices, and methods for laser projectors

#78
20190019899
2019-01-17

Microstructure enhanced absorption photosensitive devices

#79
20180359030
2018-12-13

Clock recovery for a coded light receiver

#80
20180351653
2018-12-06

Adaptive communications focal plane array

#81
20180269971
2018-09-20

Transceiver with reduced filter insertion loss and methods of making and using the same

#82
20180252881
2018-09-06

Semiconductor optical device monolithically integrating optical waveguides with photodiodes having a shared bias pad and apparatus implementing the same

#83
20180219634
2018-08-02

System and method for determining vehicle position based upon light-based communication and time-of-flight measurements

#84
20180196209
2018-07-12

Optical subassembly for an optical receiver, optical receiver and transceiver comprising the same, and methods of making and using the same

#85
20180183514
2018-06-28

Monitoring system using optical line

#86
20180180472
2018-06-28

Light receiver and method for reading out avalanche photodiodes in Geiger mode

#87
20180102442
2018-04-12

Microstructure enhanced absorption photosensitive devices

#88
20180091229
2018-03-29

Tunable receiver including microelectromechanical (MEMS) mirrors, a transceiver or module comprising the same, and methods of making and using the same

#89
20180088293
2018-03-29

Optical subassembly and optical module

#90
20180006732
2018-01-04

Method and system for waveguide delay based equalization with summing at single-ended to differential converters in optical communication

#91
20170366276
2017-12-21

Electronic device associated with a photovoltaic module to optimise the throughput of a bidirectional VLC transmission

#92
20170366275
2017-12-21

System and method for pulsed based receiver photo sensor

#93
20170359119
2017-12-14

Optical receivers

#94
20170329080
2017-11-16

Method and system for integrated multi-port waveguide photodetectors

#95
20170288784
2017-10-05

Free space communication

#96
20170288771
2017-10-05

Apparatus and method for measuring frequency response characteristics of optical transmitter and optical receiver

#97
20170279593
2017-09-28

Optoelectronic transceiver with power management

#98
20170279537
2017-09-28

Dynamic beam steering optoelectronic packages

#99
20170222719
2017-08-03

Communication apparatus and method

#100
20170214464
2017-07-27

Frequency comparison and phase synchronization in optical signals

#101
20170163352
2017-06-08

Trans-impedance amplifier and optical receiver including the same

#102
20170126329
2017-05-04

Wideband low dropout voltage regulator with power supply rejection boost

#103
20170104545
2017-04-13

Optical receiving circuit, optical transceiver, and control method for optical receiving circuit

#104
20160308075
2016-10-20

Microstructure enhanced absorption photosensitive devices

#105
20160307939
2016-10-20

Microstructure enhanced absorption photosensitive devices

#106
20160006517
2016-01-07

Burst-mode receiver, and method of bias voltage control for APD of burst-mode receiver

#107
20150311977
2015-10-29

METHODS AND APPARATUS FOR CONFIGURING AN IMAGE SENSOR FOR DECODING HIGH FREQUENCY VISIBLE LIGHT COMMUNICATION SIGNALS

#108
20150244469
2015-08-27

Optical receiver and detection method

#109
20150207571
2015-07-23

Disturbance tolerant optical device

#110
20140376930
2014-12-25

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

#111
20140029950
2014-01-30

Optical de-multiplexing device

#112
20140029949
2014-01-30

Optical de-multiplexing device

#113
20120298844
2012-11-29

Light detecting device including a peaking circuit

#114
20110186715
2011-08-04

Dynamic impedance receiver circuit having a first and second impedances during charging and discharging phases respectively for ultrafast low-power photodetector

#115
20100158542
2010-06-24

Detector module

#116
20100119230
2010-05-13

Optical receiving circuit

#117
20090169154
2009-07-02

Multiple channel optical transceiver modules with compatibility features

#118
20070071455
2007-03-29

Automatic gain control

#119
20060140553
2006-06-29

MULTIPLE CHANNEL OPTICAL TRANCEIVER MODULES WITH COMPATIBILITY FEATURES

#120
20060060756
2006-03-23

Light receiving circuit using avalanche photodiode with a controlled voltage divider

#121
20050254821
2005-11-17

Multiple channel optical transceiver modules

#122
20050133695
2005-06-23

Photodetector and optical receiver

#123
20050082524
2005-04-21

Optical receiver

#124
16570830
2021-01-19

Temperature sensor integrated with MOS capacitor for stabilizing lasers

#125
16402558
2020-07-14

Optical coherent receiver

#126
16024023
2019-08-13

Multi-wavelength power sensing

#127
15616532
2018-03-27

Adaptive communications focal plane array

#128
15615826
2017-12-26

Adaptive communications focal plane array

#129
15615819
2018-03-13

Adaptive communications focal plane array

#130
15204372
2017-11-14

Extracting an embedded DC signal to provide a reference voltage for an optical receiver

#131
15186939
2017-05-02

System and method for pulsed based receiver photo sensor

#132
14849179
2017-01-24

Current amplification to improve optical amplifier performance