“[…] a reinterpretation of light traps, which were originally used in the 60s and 70s to make text more readable on TV screens. Similar in logic to ink traps, light traps compensated for low resolution: When the font appeared, the screen’s blur filled in its holes so that each letter looked complete.”
Accompanied by ABC Camera Plain (without holes). Both subfamilies come in five weights plus italics and are also available in variable font format.