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

Control of solid-state image sensor [SSIS] exposure

Of 10 combined children, 9 exist in both systems.

1 codes are CPC-only extensions.

IPC defines codes here since 2023.

Navigate with arrow keys, Enter to open

H04N 23/71 Circuitry for evaluating the brightness variation since 2023 IPC+CPC Available in IPC and CPC
H04N 23/72 Combination of two or more compensation controls since 2023 IPC+CPC Available in IPC and CPC
H04N 23/73 by influencing the exposure time since 2023 IPC+CPC Available in IPC and CPC
H04N 23/74 by influencing the scene brightness using illuminating means since 2023 IPC+CPC Available in IPC and CPC
H04N 23/741 by increasing the dynamic range of the image compared to the dynamic range of the electronic image sensors since 2023 IPC+CPC Available in IPC and CPC
H04N 23/743 Bracketing, i.e. taking a series of images with varying exposure conditions since 2023 IPC+CPC Available in IPC and CPC
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 since 2023 IPC+CPC Available in IPC and CPC
H04N 23/749 CPC only CPC only
H04N 23/75 by influencing optical camera components since 2023 IPC+CPC Available in IPC and CPC
H04N 23/76 by influencing the image signals since 2023 IPC+CPC Available in IPC and CPC

Class H04,2013–2023, worldwide · Source: EPO PATSTAT

Class H04,2013–2023, worldwide · Source: EPO PATSTAT