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IPC Subgroup
H04N 25/44

by partially reading an SSIS array

Introduced: January 2023

Full Title

Circuitry of solid-state image sensors [SSIS]; Control thereof > Extracting pixel data from image sensors by controlling scanning circuits, e.g. by modifying the number of pixels sampled or to be sampled > by partially reading an SSIS array

Classification Context

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

4 direct subcodes

Child Classifications

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  • H04N 25/441 by reading contiguous pixels from selected rows or columns of the array, e.g. interlaced scanning
  • H04N 25/443 by reading pixels from selected two-dimensional [2D] regions of the array, e.g. for windowing or digital zooming
  • H04N 25/445 by skipping some contiguous pixels within the read portion of the array
  • H04N 25/447 by preserving the colour pattern with or without loss of information

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