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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 13/239 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

  1. HUAWEI TECHNOLOGIES COMPANY CN 101,476
  2. QUALCOMM US 101,139
  3. SAMSUNG ELECTRONICS COMPANY KR 96,655
  4. TELEFONAKTIEBOLAGET LM ERICSSON (PUBL) SE 57,744
  5. LG ELECTRONICS KR 55,253
  6. HUAWEI TECHNOLOGIES COMPANY 54,181
  7. SONY CORPORATION JP 35,309
  8. ZTE CORPORATION CN 32,950
  9. INTEL CORPORATION US 27,533
  10. GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORPORATION CN 27,498