G PHYSICS
G06 COMPUTING OR CALCULATING; COUNTING
G06K GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
15/00 Arrangements for producing a permanent visual presentation of the output data; , e.g. computer output printers
G06K15/12 by photographic printing; , e.g. by laser printers
G06K15/1238 simultaneously exposing more than one point
G06K15/1242 on one main scanning line
G06K15/1247 using an array of light sources, e.g. a linear array