CPC Subgroup
H04N 1/40056 Full Title
Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof > Picture signal circuits (H04N1/387 takes precedence)
H04N 1/40056 Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof > Picture signal circuits (H04N1/387 takes precedence)