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IPC Subgroup
H04N 13/3

Image reproducers

Introduced: January 2018

Full Title

Stereoscopic video systems; Multi-view video systems; Details thereof > Image reproducers

Classification Context

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

Additional Content

Optical systems for producing stereoscopic or other three-dimensional effects

14 direct subcodes

Child Classifications

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  • H04N 13/324 Colour aspects
  • H04N 13/327 Calibration thereof
  • H04N 13/346 using prisms or semi-transparent mirrors
  • H04N 13/361 Reproducing mixed stereoscopic images; Reproducing mixed monoscopic and stereoscopic images, e.g. a stereoscopic image overlay window on a monoscopic image background
  • H04N 13/363 using image projection screens
  • H04N 13/365 using digital micromirror devices [DMD]
  • H04N 13/385 alternating rapidly the location of the left-right image components on the display screens
  • H04N 13/398 Synchronisation thereof; Control thereof

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