CPC Subgroup
H04N 13/204 using stereoscopic image cameras (stereoscopic photography G03B35/00)
Full Title
Stereoscopic video systems; Multi-view video systems; Details thereof > Image signal generators > using stereoscopic image cameras (stereoscopic photography G03B35/00)
6 direct subcodes
Child Classifications
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- H04N 13/207 using a single two-dimensional [2D] image sensor
- H04N 13/239 using two two-dimensional [2D] image sensors having a relative position equal to or related to the interocular distance (H04N13/243 takes precedence)
- H04N 13/243 using three or more two-dimensional [2D] image sensors
- H04N 13/246 Calibration of cameras
- H04N 13/25 using two or more image sensors with different characteristics other than in their location or field of view, e.g. having different resolutions or colour pickup characteristics; using image signals from one sensor to control the characteristics of another sensor
- H04N 13/254 in combination with electromagnetic radiation sources for illuminating objects
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