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
- QUALCOMM US 97,396
- HUAWEI TECHNOLOGIES COMPANY CN 96,502
- SAMSUNG ELECTRONICS COMPANY KR 86,981
- TELEFONAKTIEBOLAGET LM ERICSSON (PUBL) SE 55,869
- HUAWEI TECHNOLOGIES COMPANY 55,349
- LG ELECTRONICS KR 53,649
- CANON 33,341
- SONY CORPORATION JP 32,761
- ZTE CORPORATION CN 32,274
- GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORPORATION 28,327