About: http://webisa.webdatacommons.org/36745771

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	H04N 1/52Circuits or arrangements for halftone screeningDefinition statement This subgroup covers: Colour halftoning, colour multi-toning e.g. with use of more than one cyan (C1 and C2), screens, error diffusion.
http://www.w3.org/ns/prov#wasQuotedFrom	uspto.gov