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IPC Subgroup
H04B 1/713

using frequency hopping

Introduced: January 1995

Last revised: January 2011

Full Title

Details of transmission systems, not covered by a single one of groups; Details of transmission systems not characterised by the medium used for transmission > Spread spectrum techniques > using frequency hopping

Classification Context

Section:
ELECTRICITY
Class:
ELECTRIC COMMUNICATION TECHNIQUE
Subclass:
TRANSMISSION

4 direct subcodes

Child Classifications

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  • H04B 1/7136 Arrangements for generation of hop frequencies, e.g. using a bank of frequency sources, using continuous tuning or using a transform
  • H04B 1/7143 Arrangements for generation of hop patterns
  • H04B 1/715 Interference-related aspects
  • H04B 1/7156 Arrangements for sequence synchronisation

Top Applicants

Top 10 applicants by patent filingsfor class H04, 2013–2023, worldwide · Source: EPO PATSTAT

  1. QUALCOMM US 97,396
  2. HUAWEI TECHNOLOGIES COMPANY CN 96,502
  3. SAMSUNG ELECTRONICS COMPANY KR 86,981
  4. TELEFONAKTIEBOLAGET LM ERICSSON (PUBL) SE 55,869
  5. HUAWEI TECHNOLOGIES COMPANY 55,349
  6. LG ELECTRONICS KR 53,649
  7. CANON 33,341
  8. SONY CORPORATION JP 32,761
  9. ZTE CORPORATION CN 32,274
  10. GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORPORATION 28,327