CPC Main Group Additional Only
H04N 2213/00 Details of stereoscopic systems
7 direct subcodes
Child Classifications
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- H04N 2213/001 Constructional or mechanical details
- H04N 2213/002 Eyestrain reduction by processing stereoscopic signals or controlling stereoscopic devices
- H04N 2213/003 Aspects relating to the "2D+depth" image format
- H04N 2213/005 Aspects relating to the "3D+depth" image format
- H04N 2213/006 Pseudo-stereoscopic systems, i.e. systems wherein a stereoscopic effect is obtained without sending different images to the viewer's eyes
- H04N 2213/007 Aspects relating to detection of stereoscopic image format, e.g. for adaptation to the display format
- H04N 2213/008 Aspects relating to glasses for viewing stereoscopic images
Top Applicants
Top 10 applicants by patent filingsfor class H04, 2013–2023, worldwide · Source: EPO PATSTAT
- HUAWEI TECHNOLOGIES COMPANY CN 101,476
- QUALCOMM US 101,139
- SAMSUNG ELECTRONICS COMPANY KR 96,655
- TELEFONAKTIEBOLAGET LM ERICSSON (PUBL) SE 57,744
- LG ELECTRONICS KR 55,253
- HUAWEI TECHNOLOGIES COMPANY 54,181
- SONY CORPORATION JP 35,309
- ZTE CORPORATION CN 32,950
- INTEL CORPORATION US 27,533
- GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORPORATION CN 27,498