CPC Subgroup
H04N 13/20 Image signal generators
Full Title
Stereoscopic video systems; Multi-view video systems; Details thereof > Image signal generators
9 direct subcodes
Child Classifications
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- H04N 13/204 using stereoscopic image cameras (stereoscopic photography G03B35/00)
- H04N 13/257 Colour aspects
- H04N 13/261 with monoscopic-to-stereoscopic image conversion
- H04N 13/271 wherein the generated image signals comprise depth maps or disparity maps
- H04N 13/275 from three-dimensional [3D] object models, e.g. computer-generated stereoscopic image signals
- H04N 13/282 for generating image signals corresponding to three or more geometrical viewpoints, e.g. multi-view systems
- H04N 13/286 having separate monoscopic and stereoscopic modes
- H04N 13/293 Generating mixed stereoscopic images; Generating mixed monoscopic and stereoscopic images, e.g. a stereoscopic image overlay window on a monoscopic image background
- H04N 13/296 Synchronisation thereof; Control thereof
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