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IPC Subgroup
H04N 23/7

Circuitry for compensating brightness variation in the scene

Introduced: January 2023

Full Title

Cameras or camera modules comprising electronic image sensors; Control thereof > Circuitry for compensating brightness variation in the scene

Classification Context

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

Scope Notes

Application references: Control of solid-state image sensor [SSIS] exposure

9 direct subcodes

Child Classifications

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  • H04N 23/71 Circuitry for evaluating the brightness variation
  • H04N 23/72 Combination of two or more compensation controls
  • H04N 23/73 by influencing the exposure time
  • H04N 23/74 by influencing the scene brightness using illuminating means
  • H04N 23/741 by increasing the dynamic range of the image compared to the dynamic range of the electronic image sensors
  • H04N 23/743 Bracketing, i.e. taking a series of images with varying exposure conditions
  • H04N 23/745 Detection of flicker frequency or suppression of flicker wherein the flicker is caused by illumination, e.g. due to fluorescent tube illumination or pulsed LED illumination
  • H04N 23/75 by influencing optical camera components
  • H04N 23/76 by influencing the image signals