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IPC Subgroup
H04N 13/204

using stereoscopic image cameras

Introduced: January 2018

Full Title

Stereoscopic video systems; Multi-view video systems; Details thereof > Image signal generators > using stereoscopic image cameras

Classification Context

Section:
ELECTRICITY
Class:
ELECTRIC COMMUNICATION TECHNIQUE
Subclass:
PICTORIAL COMMUNICATION, e.g. TELEVISION

6 direct subcodes

Child Classifications

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  • H04N 13/239 using two two-dimensional [2D] image sensors having a relative position equal to or related to the interocular distance
  • 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. QUALCOMM US 97,396
  2. HUAWEI TECHNOLOGIES COMPANY CN 96,502
  3. SAMSUNG ELECTRONICS COMPANY KR 86,981
  4. TELEFONAKTIEBOLAGET LM ERICSSON (PUBL) SE 55,869
  5. HUAWEI TECHNOLOGIES COMPANY 55,349
  6. LG ELECTRONICS KR 53,649
  7. CANON 33,341
  8. SONY CORPORATION JP 32,761
  9. ZTE CORPORATION CN 32,274
  10. GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORPORATION 28,327