IPC Main Group
H04B 10/00 Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
Introduced: January 1990
Last revised: January 2013
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRIC COMMUNICATION TECHNIQUE
- Subclass:
- TRANSMISSION
Additional Content
station stations head-end or subscriber network terminal soliton solitons an optical pulse that does not change during propagation because of a balance between non-linear and linear effects in the fibre air the standard gaseous mixture of nitrogen and oxygen or this mixture with varying amounts of moisture and particulate matter, enveloping the earth; the atmosphere fluid liquid corpuscular radiation beams of atomic or subatomic discrete particles, e.g. photon, alpha particle, neutron, fission fragment or fissionable isotope.
Related Keywords
TRANSMISSION of information-carrying signals, using light or infrared waves
12 direct subcodes
Child Classifications
Navigate with arrow keys, Enter to open
- H04B 10/03 Arrangements for fault recovery
- H04B 10/07 Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
- H04B 10/11 Arrangements specific to free-space transmission, i.e. transmission through air or vacuum
- H04B 10/25 Arrangements specific to fibre transmission
- H04B 10/27 Arrangements for networking
- H04B 10/29 Repeaters
- H04B 10/4 Transceivers
- H04B 10/5 Transmitters
- H04B 10/6 Receivers
- H04B 10/7 Photonic quantum communication
- H04B 10/8 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
- H04B 10/9 Non-optical transmission systems, e.g. transmission systems employing non-photonic corpuscular radiation
Top Applicants
Top 10 applicants by patent filingsfor class H04, 2013–2023, worldwide · Source: EPO PATSTAT
- QUALCOMM US 97,396
- HUAWEI TECHNOLOGIES COMPANY CN 96,502
- SAMSUNG ELECTRONICS COMPANY KR 86,981
- TELEFONAKTIEBOLAGET LM ERICSSON (PUBL) SE 55,869
- HUAWEI TECHNOLOGIES COMPANY 55,349
- LG ELECTRONICS KR 53,649
- CANON 33,341
- SONY CORPORATION JP 32,761
- ZTE CORPORATION CN 32,274
- GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORPORATION 28,327