IPC Subgroup
H04N 13/302 for viewing without the aid of special glasses, i.e. using autostereoscopic displays
Introduced: January 2018
Full Title
Stereoscopic video systems; Multi-view video systems; Details thereof > Image reproducers > for viewing without the aid of special glasses, i.e. using autostereoscopic displays
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRIC COMMUNICATION TECHNIQUE
- Subclass:
- PICTORIAL COMMUNICATION, e.g. TELEVISION
6 direct subcodes
Child Classifications
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- H04N 13/305 using lenticular lenses, e.g. arrangements of cylindrical lenses
- H04N 13/307 using fly-eye lenses, e.g. arrangements of circular lenses
- H04N 13/31 using parallax barriers
- H04N 13/317 using slanted parallax optics
- H04N 13/32 using arrays of controllable light sources; using moving apertures or moving light sources
- H04N 13/322 using varifocal lenses or mirrors
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