CPC Subgroup Additional Only
H04N 2201/0438 Scanning displays; Scanning large surfaces, e.g. projection screens, writing boards
Full Title
Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof > Scanning arrangements > Arrangements not specific to a particular one of the scanning methods covered by groups H04N1/04 - H04N1/207 > Scanning displays; Scanning large surfaces, e.g. projection screens, writing boards