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CPC Main Group Additional Only
H04L 2201/00

Algorithms used for the adjustment of time-domain equalizers

4 direct subcodes

Child Classifications

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  • H04L 2201/02 minimizing an error signal, e.g. least squares, minimum square error
  • H04L 2201/04 zero-forcing
  • H04L 2201/06 using the output of a maximum likelihood decoder (Viterbi detector)
  • H04L 2201/08 Algorithms not covered by groups H04L2201/02 - H04L2201/06

Top Applicants

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

  1. HUAWEI TECHNOLOGIES COMPANY CN 101,476
  2. QUALCOMM US 101,139
  3. SAMSUNG ELECTRONICS COMPANY KR 96,655
  4. TELEFONAKTIEBOLAGET LM ERICSSON (PUBL) SE 57,744
  5. LG ELECTRONICS KR 55,253
  6. HUAWEI TECHNOLOGIES COMPANY 54,181
  7. SONY CORPORATION JP 35,309
  8. ZTE CORPORATION CN 32,950
  9. INTEL CORPORATION US 27,533
  10. GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORPORATION CN 27,498