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PCE
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DIFF Subgroup
H04N 19/46

Embedding additional information in the video signal during the compression process (H04N19/517, H04N19/68, H04N19/70 take precedence)

Introduced: January 2014

Title

Titles differ between systems:

IPC: Embedding additional information in the video signal during the compression process

CPC: Embedding additional information in the video signal during the compression process (H04N19/517, H04N19/68, H04N19/70 take precedence)

Full Title

Full titles differ between systems:

IPC:

Methods or arrangements for coding, decoding, compressing or decompressing digital video signals > Embedding additional information in the video signal during the compression process

CPC:

Methods or arrangements for coding, decoding, compressing or decompressing digital video signals > Embedding additional information in the video signal during the compression process (H04N19/517, H04N19/68, H04N19/70 take precedence)

Additional Content IPC

Motion vector coding and transmission Insertion of resynchronisation markers into the bitstream Syntax aspects related to video coding

IPC and CPC are identically structured here. All 2 subcodes exist in both systems.

IPC defines codes here since 2014.

Child Classifications

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  • H04N 19/463 by compressing encoding parameters before transmission since 2014 IPC+CPC Available in IPC and CPC
  • H04N 19/467 characterised by the embedded information being invisible, e.g. watermarking since 2014 IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

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

Top Applicants (CPC)

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