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DIFF Subgroup
H04N 13/106

Processing image signals (for multi-view video sequence encoding H04N19/597)

Introduced: January 2018

Title

Titles differ between systems:

IPC: Processing image signals

CPC: Processing image signals (for multi-view video sequence encoding H04N19/597)

Full Title

Full titles differ between systems:

IPC:

Stereoscopic video systems; Multi-view video systems; Details thereof > Processing, recording or transmission of stereoscopic or multi-view image signals > Processing image signals

CPC:

Stereoscopic video systems; Multi-view video systems; Details thereof > Processing, recording or transmission of stereoscopic or multi-view image signals > Processing image signals (for multi-view video sequence encoding H04N19/597)

Of 12 combined children, 11 exist in both systems.

1 codes are CPC-only extensions.

2 shared codes have differing titles between IPC and CPC.

IPC defines codes here since 2018.

Child Classifications

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  • H04N 13/128 Adjusting depth or disparity since 2018 IPC+CPC Available in IPC and CPC
  • H04N 13/133 Equalising the characteristics of different image components, e.g. their average brightness or colour balance since 2018 IPC+CPC Available in IPC and CPC
  • H04N 13/139 Format conversion, e.g. of frame-rate or size since 2018 IPC+CPC Available in IPC and CPC
  • H04N 13/144 for flicker reduction since 2018 IPC+CPC Available in IPC and CPC
  • H04N 13/15 for colour aspects of image signals since 2018 IPC+CPC Available in IPC and CPC
  • H04N 13/156 Mixing image signals since 2018 IPC+CPC Available in IPC and CPC
  • H04N 13/158 CPC only CPC only
  • H04N 13/161 Encoding, multiplexing or demultiplexing different image signal components (for multi-view video sequence encoding H04N19/597) since 2018 IPC+CPC Available in IPC and CPC
  • H04N 13/167 Synchronising or controlling image signals since 2018 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