(under subclass 233) Subject matter wherein relative movement between the record receiver and at least one writing beam is controlled such that the beam is incident on the record receiver at desired location.
SEE OR SEARCH THIS CLASS, SUBCLASS:
248, for synchronization of light with photosensitive medium in a singular beam scanner.
SEE OR SEARCH CLASS
358, Facsimile,
409, for synchronization, subclass 411 for facsimile carrier as synchronization signal.