ClassID:

223964

H04B10/802 - 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; Optical aspects relating to the use of optical transmission for specific applications, not provided for in groups - , e.g. optical power feeding or optical transmission through water using optical interconnects, e.g. light coupled isolators, circuit board interconnections for isolation, e.g. using optocouplers

Recent Application in this class:
#1
20260121766
2026-04-30

INTERCONNECT MODULE FOR HIGH-SPEED DATA TRANSMISSION

#2
20260119385
2026-04-30

DISAGGREGATED MEMORY STRUCTURES ON A DIRECTLY MODULATED PHOTONIC WAFER-SCALE INTERPOSER

#3
20260088913
2026-03-26

PHOTON ARCHITECTURE FOR BI-DIRECTIONAL AND CO-DIRECTIONAL LINKS

#4
20250350373
2025-11-13

REALLOCATION OF RESOURCES FOR ISOLATING OPTICAL COMMUNICATIONS

#5
20250350372
2025-11-13

OPTICAL SWITCH TO ISOLATE DATA ACCESSES IN MEMORY

#6
20250350371
2025-11-13

OPTICAL SPLITTER COMPONENT

#7
20250247158
2025-07-31

Distributed traveling-wave photodetector

#8
20250244533
2025-07-31

ON-BOARD OPTICAL CONNECTION DEVICE

#9
20240370403
2024-11-07

Systolic Memory Access

#10
20240367610
2024-11-07

MOTOR/CONTROLLER AUTHENTICATION SYSTEM

#11
20240353614
2024-10-24

OPTICAL COMMUNICATION SUBSTRATE USING GLASS INTERPOSER

#12
20240275622
2024-08-15

POWER STATUS TELEMETRY FOR POWERED DEVICES IN A SYSTEM WITH POWER OVER ETHERNET

#13
20240089012
2024-03-14

SIGNAL TRANSMISSION SYSTEM FOR TRANSMITTING A MAIN PROCESS VARIABLE AND FURTHER DATA BETWEEN A FIELD DEVICE AND A SUPERORDINATE UNIT, AND A CORRESPONDING METHOD

#14
20230367071
2023-11-16

Attenuable resistive optical isolation circuit and device

#15
20230327781
2023-10-12

Redundant transmission and receive elements for high-bandwidth communication

#16
20230308185
2023-09-28

OPTICAL COMMUNICATION SYSTEM AND OPTICAL COMMUNICATION METHOD

#17
20230198635
2023-06-22

Digital isolator comprising an isolation element with a first secondary winding for generating a first differential signal in phase with an encoded signal and a second secondary winding for generating a second differential signal in an opposite phase with the encoded signal

#18
20230022608
2023-01-26

Motor/controller authentication system

#19
20220378344
2022-12-01

PULSE OXIMETRY SYSTEM WITH ELECTRICAL DECOUPLING CIRCUITRY

#20
20220328712
2022-10-13

Optical component and isolator

#21
20220158744
2022-05-19

Wireless content distribution

#22
20220116117
2022-04-14

Optical semiconductor device

#23
20220103384
2022-03-31

Power status telemetry for powered devices in a system with power over ethernet

#24
20220085726
2022-03-17

Power adapter having ultra low standby power

#25
20210384838
2021-12-09

Flyback power converter and conversion controller circuit

#26
20210376742
2021-12-02

Flyback converter with fast load transient detection

#27
20210227630
2021-07-22

Wireless sensor network gateway with integral intrinsic safety outputs for field mounted access point antennas

#28
20210184678
2021-06-17

Signal isolation system and signal isolation circuit

#29
20210159988
2021-05-27

Systems and methods for communicating high speed signals in a communication device

#30
20210143739
2021-05-13

POWER CONVERSION DEVICE

#31
20200408831
2020-12-31

Apparatus and method for diagnosing watchdog timer

#32
20200366977
2020-11-19

Optical device and optical signal processing method

#33
20200345283
2020-11-05

Pulse oximetry system with electrical decoupling circuitry

#34
20200343979
2020-10-29

Optical network converter module

#35
20200336219
2020-10-22

Techniques for magnetic shielding of an optical isolator to maintain nominal magnetic flux density and a transmitter or transceiver system implementing same

#36
20200252137
2020-08-06

Galvanic isolated device and corresponding system

#37
20200076513
2020-03-05

Semiconductor device

#38
20200076512
2020-03-05

Back-to-back isolation circuit

#39
20190372677
2019-12-05

Single line passive optical network converter module

#40
20190349095
2019-11-14

Low power heartbeat for low power mode

#41
20190327002
2019-10-24

ISOLATION DEVICE, ISOLATION SENSOR PACKAGE, AND METHOD

#42
20190319452
2019-10-17

Duty cycle modulated universal binary input circuit with reinforced isolation

#43
20190221554
2019-07-18

Opto-coupler with field-shaping end caps

#44
20190190609
2019-06-20

Optical Transceiver for Radio Frequency Communication

#45
20190190236
2019-06-20

Lens for free air optical interconnect

#46
20190165805
2019-05-30

Data translation system and method comprising an optocoupler transmission system with a controller to determine transmission communication between devices

#47
20190140747
2019-05-09

High Speed Isolated and Optical USB

#48
20190140746
2019-05-09

Quasi-optical coupler

#49
20190123829
2019-04-25

Method and system for selectable parallel optical fiber and wavelength division multiplexed operation

#50
20190097736
2019-03-28

Galvanically isolated auxiliary LED for performing input operations

#51
20190035966
2019-01-31

Optocoupler device and frame module thereof

#52
20180374982
2018-12-27

Optocoupler

#53
20180367301
2018-12-20

Original key recovery apparatus and method

#54
20180331760
2018-11-15

Optical network span sensing

#55
20180309522
2018-10-25

OPTOCOUPLER

#56
20180309444
2018-10-25

Isolation device with half duplex channel

#57
20180278340
2018-09-27

High speed isolated and optical USB

#58
20180254844
2018-09-06

Fault tolerant optical apparatus

#59
20180190855
2018-07-05

Optical isolation systems and circuits and photon detectors with extended lateral P-N junctions

#60
20180175810
2018-06-21

Input protection circuit for an analog optocoupler

#61
20180145769
2018-05-24

Single line passive optical network converter module

#62
20180145645
2018-05-24

OPTICAL COUPLING CIRCUIT INCLUDING A LIGHT-RECEIVING UNIT PROVIDED NOT TO RECEIVE OPTICAL SIGNAL AND SIGNAL PROCESSING DEVICE

#63
20180110107
2018-04-19

Isolated driver

#64
20180102896
2018-04-12

Digital signal input circuit

#65
20180013498
2018-01-11

Quasi-optical coupler

#66
20180013494
2018-01-11

Method and system for selectable parallel optical fiber and wavelength division multiplexed operation

#67
20170288785
2017-10-05

Linear isolation amplifier with output DC voltage cancellation

#68
20170277209
2017-09-28

Communication system, signal transfer method, and air conditioner

#69
20170250761
2017-08-31

Multi-channel optical communications integrated circuit chip having an improved layout for use in multi-channel optical transmitters, receivers and transceivers

#70
20170195065
2017-07-06

OPTO-ISOLATOR THAT USES A GENERALLY RIGID STRUCTURE FOR BOARD-TO-BOARD ALIGNMENT AND OPTICAL COUPLING

#71
20170187458
2017-06-29

Optical network span sensing

#72
20170163345
2017-06-08

Pulsed Light Communication Key

#73
20170149499
2017-05-25

Lighting fixture and system using free space optical communication process

#74
20170131494
2017-05-11

Package framework for photoelectric conversion module

#75
20170098635
2017-04-06

Optocoupler with indication of light source power supply failure

#76
20160380701
2016-12-29

Quasi-optical coupler

#77
20160315074
2016-10-27

Optical coupling device having a drive circuit on a ground frame to drive a light emitting element on a power frame

#78
20160301185
2016-10-13

Temperature insensitive external cavity lasers on silicon

#79
20160294385
2016-10-06

Low-power dissipation input circuit

#80
20160285512
2016-09-29

Quasi-optical coupler

#81
20160269126
2016-09-15

High speed isolated and optical USB

#82
20160269125
2016-09-15

Single line passive optical network converter module

#83
20160216447
2016-07-28

Graphene plasmonic communication link

#84
20160172020
2016-06-16

Optical interconnect in high-speed memory systems

#85
20160156421
2016-06-02

System and method for providing active RF shielding

#86
20160112144
2016-04-21

Electrical conductor to optical input conversion system

#87
20160111557
2016-04-21

SEMICONDUCTOR DEVICE

#88
20160105247
2016-04-14

Complementary metal oxide semiconductor device with III-V optical interconnect having III-V epitaxial semiconductor material formed using lateral overgrowth

#89
20160103168
2016-04-14

EMC test bench comprising an item of equipment under test which is intended to be loaded on board an aircraft

#90
20160095543
2016-04-07

Pulse oximetry system with electrical decoupling circuitry

#91
20160087729
2016-03-24

PHOTOCOUPLER WITH PROTRUSION

#92
20160080092
2016-03-17

Graphene plasmonic communication link

#93
20160080088
2016-03-17

Isolation of RF signals using optical single side band modulation combined with optical filtering

#94
20160061658
2016-03-03

Light receiving circuit and light coupling device

#95
20160050028
2016-02-18

Quasi-optical coupler

#96
20160043811
2016-02-11

Photocoupling device manufacturing method, photocoupling device, and power conversion system

#97
20160036552
2016-02-04

Reversible wavelength channels for optical communication networks

#98
20160013870
2016-01-14

Mode conversion for optical isolation

#99
20150381271
2015-12-31

Optical Transceiving Device and Method

#100
20150381042
2015-12-31

Isolator including bi-directional regulator

#101
20150346428
2015-12-03

Graphene plasmonic communication link

#102
20150341124
2015-11-26

ASYNCHRONOUS RECEIVER-TRANSMITTER CIRCUIT AND WASHING MACHINE INCLUDING THE SAME

#103
20150333841
2015-11-19

Opical coupling circuit including a light-receiving unit provided not to receive optical signal, and signal processing device

#104
20150321012
2015-11-12

Optical trigger for therapy delivery

#105
20150295121
2015-10-15

SEALING RESIN, SEMICONDUCTOR DEVICE, AND PHOTOCOUPLER

#106
20150288360
2015-10-08

Apparatus and method for transmitting an analog signal, and analog signal multiplexer

#107
20150207571
2015-07-23

Disturbance tolerant optical device

#108
20150207430
2015-07-23

Terminal circuit in inverter

#109
20150171901
2015-06-18

Techniques for reduced jitter in digital isolators

#110
20150083942
2015-03-26

Optical isolator mounted in printed circuit board recess

#111
20150041687
2015-02-12

OPTICAL COUPLING DEVICE AND METHOD OF MANUFACTURING OPTICAL COUPLING DEVICE

#112
20150014555
2015-01-15

Optical communication device with a controller

#113
20140374629
2014-12-25

Power module for high/low voltage insulation

#114
20140353529
2014-12-04

Optical receiver method and apparatus

#115
20140346987
2014-11-27

EC motor with dynamic determination of optocoupler degradation

#116
20140239205
2014-08-28

Optocoupler arrangement and input and/or output module

#117
20140197338
2014-07-17

Opto-isolator including a vertical cavity surface emitting laser

#118
20140197337
2014-07-17

LOW POWER SELF-LIMITING INPUT CIRCUIT

#119
20140191143
2014-07-10

Optocoupler

#120
20140161468
2014-06-12

OPTICAL ISOLATION SYSTEM AND ASSEMBLY

#121
20140139962
2014-05-22

Circuit arrangement having an overload protection for galvanic isolation units

#122
20140119740
2014-05-01

Opto-isolator with compensation circuit

#123
20140119739
2014-05-01

Opto-isolator with correction circuit

#124
20140084306
2014-03-27

SEMICONDUCTOR DEVICE

#125
20140070120
2014-03-13

Photocoupler with protrusion

#126
20140042344
2014-02-13

Face-to-face opto-coupler device and method of manufacture

#127
20140027656
2014-01-30

Connector

#128
20140001382
2014-01-02

Electrical insulation configuration for an electrical device

#129
20130341537
2013-12-26

Optoelectronic device and method of manufacture

#130
20130315533
2013-11-28

Premolded cavity for optoelectronic device

#131
20130313447
2013-11-28

OPTO-COUPLER

#132
20130313446
2013-11-28

Semiconductor device for electrical isolation using a photocoupler and isolator to convey a signal

#133
20130279842
2013-10-24

Opto-coupler and method of manufacturing the same

#134
20130240913
2013-09-19

Semiconductor device

#135
20130240764
2013-09-19

Opto-isolation circuit having a conversion circuit controlled by an autonomous control signal

#136
20130168531
2013-07-04

Optocoupler with multiple photodetectors and improved feedback control of LED

#137
20130039648
2013-02-14

Semiconductor device, method for testing same and transmitting circuit

#138
20120298890
2012-11-29

Optocoupler circuit for gate driver

#139
20120175504
2012-07-12

Electrical isolator circuit

#140
20120068614
2012-03-22

Transmitting and receiving digital and analog signals across an isolator

#141
20110231618
2011-09-22

Optical interconnect in high-speed memory systems

#142
20110215639
2011-09-08

Vehicle Communication Control Device

#143
20110211790
2011-09-01

Optical coupler and producing method thereof

#144
20110116580
2011-05-19

DATA TRANSLATION SYSTEM AND METHOD

#145
20110115657
2011-05-19

Method and apparatus for pulse width modulation signal processing

#146
20110057128
2011-03-10

Opto-isolator including a vertical cavity surface emitting laser

#147
20100327195
2010-12-30

LOW-POWER OPTOCOUPLER

#148
20100327194
2010-12-30

MULTI-BIT USE OF A STANDARD OPTOCOUPLER

#149
20100270483
2010-10-28

Optical coupler having first and second terminal boards and first and second conversion elements

#150
20100266292
2010-10-21

Light receiving circuit and photocoupler isolation circuit

#151
20100213874
2010-08-26

Optocoupler system with reduced power consumption and pulse width distortion

#152
20100164744
2010-07-01

Method and apparatus for bi-directional communication with a miniature circuit breaker

#153
20100155627
2010-06-24

Methods and apparatuses for performing common mode pulse compensation in an opto-isolator

#154
20100109545
2010-05-06

Automatic Compensation For Degradation Of Optocoupler Light Emitting Diode

#155
20100086312
2010-04-08

Optoelectronic device with a built-in fuse mechanism

#156
20090299157
2009-12-03

Pulse oximetry system with electrical decoupling circuitry

#157
20090202253
2009-08-13

Optically isolated analog audio circuits

#158
20090142072
2009-06-04

OPTICAL INTERFACE BETWEEN TWO SECTIONS OF AN INTEGRATED CHIP

#159
20090121236
2009-05-14

Optocoupler using silicon based LEDs

#160
20090060513
2009-03-05

Remote optical control of electrical circuits having a control module with a mechanical switch and a light magnifying lens

#161
20090059987
2009-03-05

Monolithic opto-isolators

#162
20090028173
2009-01-29

Isolation and transmission of digital signals in intended direction

#163
20080283780
2008-11-20

Device having galvanic optocoupling

#164
20080187013
2008-08-07

Opto-isolator including a vertical cavity surface emitting laser

#165
20080152354
2008-06-26

Fiber Optically Coupled Control System for Homes and Businesses

#166
20080118252
2008-05-22

Optical coupler with reduced pulse width distortion

#167
20080099416
2008-05-01

FIXTURE ASSEMBLY FOR USE IN ASSEMBLING AN OPTOELECTRONIC PACKAGE INCLUDING COMPONENTS MOUNTED AT DIFFERENT ANGLES

#168
20080087851
2008-04-17

Current transfer ratio temperature coefficient compensation method and apparatus for an optocoupler

#169
20080063406
2008-03-13

DATA TRANSMISSION APPARATUS

#170
20080035833
2008-02-14

Fault detection method and apparatus

#171
20080008477
2008-01-10

Optical transmission between devices on circuit board

#172
20070171686
2007-07-26

Circuit arrangement for the electrical isolation of signal lines

#173
20070108397
2007-05-17

Current transfer ratio temperature coefficient compensation method and apparatus

#174
20060279438
2006-12-14

Optical coupled type isolation circuit

#175
20050001179
2005-01-06

Self powered serial-to-serial or USB-to-serial cable with loopback and isolation