H | ELECTRICITY |
04 | ELECTRIC COMMUNICATION TECHNIQUE |
B | TRANSMISSION |
10 | Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication |
80 | Optical aspects relating to the use of optical transmission for specific applications, not provided for in groups H04B10/03 - H04B10/70, e.g. optical power feeding or optical transmission through water |
801 | using optical interconnects, e.g. light coupled isolators, circuit board interconnections |
802 | for isolation, e.g. using optocouplers |