Patent ID: 11889032
Assignee: HANGZHOU HIKVISION DIGITAL TECHNOLOGY CO., LTD.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC H | IPC H

Claim 14:
15. The method according to claim 14, wherein
in a case that a central wavelength for the near-infrared light compensation by the first light compensation apparatus is a specified characteristic wavelength or falls within a specified characteristic wavelength range, a central wavelength and/or a wave-band width of the near-infrared light passing through the first light filter meets) a constraint condition; and
wherein the central wavelength for the near-infrared light compensation by the first light compensation apparatus is any wavelength in a wavelength range of 740 nm to 760 nm, or of 770 nm to 790 nm, or of 930 nm to 950 nm.