U.S. Patent Classification Definitions: Class 358, Facsimile

摘要

This class deals with the transmission of a picture or the recording orreproducing of a sequence of pictures in which the local light variation composing a picture is not subject to the variation of time by methods involving the following steps: Step (1) The scanning of a picture, i.e., the analysis of the whole of a picture-containing area by resolving it into an area or a plurality of areas of which at least one of the two dimensions is elemental, simultaneously or in a sequence, and the derivation in response thereto of a