IPC Subgroup
G06K 7/14 using light without selection of wavelength, e.g. sensing reflected white light
Introduced: September 1968
Last revised: January 2006
Full Title
Methods or arrangements for sensing record carriers > by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation > using light without selection of wavelength, e.g. sensing reflected white light
Classification Context
- Section:
- PHYSICS
- Class:
- COMPUTING OR CALCULATING; COUNTING
- Subclass:
- GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS