VECTOR PLOTTER WITH DOT-PRODUCING PRINTHEAD

World Intellectual Property Organization Patent

APP PUB NO WO-1992013255-A2
SERIAL NO

PCTUS9200554

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Abstract

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Vector plotter (10) having a plotter head (18) moves over the surface of a plotting media (10) in an X and Y coordinate system wherein a projecting dot-producing impact printhead (28) using a ribbon (32) is carried by the plotter head at a constant printing distance above the surface of the plotting media to replace the traditional plotting pen. Other features include a multi-head printhead (28') capable of producing different sized dots (74) to replace pens of different tip size, a structure (84) for providing the constant printing distance, a mechanism (88) for maximizing ribbon life and control arrangements (38) for providing desirable line quality.

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