Near-field transmission systems, e.g. inductive or capacitive transmission systems

Introduced: September 1968

Last revised: January 2024

Classification Context

Section:: ELECTRICITY
Class:: ELECTRIC COMMUNICATION TECHNIQUE
Subclass:: TRANSMISSION

Additional Content

LCX leaky coaxial NFC near field communication

Related Keywords

CALLING-ARRANGEMENTS in near-field transmission systemstransmission systems using inductive loopinductive LEADER -gearPAGING-SYSTEMS using near-field transmission

3 direct subcodes

Child Classifications

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H04B 5/2 characterised by the transmission technique; characterised by the transmission medium
H04B 5/4 characterised by components specially adapted for near-field transmission
H04B 5/7 specially adapted for specific purposes

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