Digital halftoning has been replacing photographic halftoning since the 1970s when "electronic dot generators" were developed for the film recorder units linked to color drum scanners made by companies such as Crosfield Electronics, Hell, and Linotype-Paul.
Penghalftonan digital telah menggantikan penghalftonan fotografi sejak 1970-an ketika "titik generator elektronik" dikembangkan untuk unit perekam film yang terkait dengan scanner drum yang warna dibuat oleh perusahaan seperti Electronic Crosfield, Hell dan Linotype-Paul.