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DIFF Main Group
H04N 5/00

Details of television systems (scanning details or combination thereof with generation of supply voltages H04N3/00)

Introduced: September 1968

Title

Titles differ between systems:

IPC: Details of television systems

CPC: Details of television systems (scanning details or combination thereof with generation of supply voltages H04N3/00)

Full Title

Full titles differ between systems:

IPC:

Details of television systems

CPC:

Details of television systems (scanning details or combination thereof with generation of supply voltages H04N3/00)

Additional Content IPC

Glossary

KTC Thermal noise on capacitor

Limiting references

Scanning details of television systems; Combination thereof with generation of supply voltages

Application references

Details of colour television systems Details of stereoscopic television systems Servers specifically adapted for the selective distribution of content Client devices specifically adapted for the reception of, or interaction with, content in selective content distribution

IPC and CPC are identically structured here. All 12 subcodes exist in both systems.

8 shared codes have differing titles between IPC and CPC.

Child Classifications

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  • H04N 5/63 Generation or supply of power specially adapted for television receivers since 1985 IPC+CPC Available in IPC and CPC
  • H04N 5/72 Modifying the appearance of television pictures by optical filters or diffusing screens 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