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IPC Subgroup
H04N 13/388

Volumetric displays, i.e. systems where the image is built up from picture elements distributed through a volume

Introduced: January 2018

Full Title

Stereoscopic video systems; Multi-view video systems; Details thereof > Image reproducers > Volumetric displays, i.e. systems where the image is built up from picture elements distributed through a volume

Classification Context

Section:
ELECTRICITY
Class:
ELECTRIC COMMUNICATION TECHNIQUE
Subclass:
PICTORIAL COMMUNICATION, e.g. TELEVISION

3 direct subcodes

Child Classifications

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  • H04N 13/39 the picture elements emitting light at places where a pair of light beams intersect in a transparent material
  • H04N 13/393 the volume being generated by a moving, e.g. vibrating or rotating, surface
  • H04N 13/395 with depth sampling, i.e. the volume being constructed from a stack or sequence of two-dimensional [2D] image planes

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