THERMAL RECORDING APPARATUS AND HEAD

摘要

PURPOSE:To conserve recording paper by enabling the contraction recording of an image without deteriorating image quality to a large extent. CONSTITUTION:The pixel data among image data wherein corresponding pixel density is same to the arranging density of heating resistors are successively extracted as a pair of pixels by two from the head of the image data by a serial/parallel converter 91. These two pixels forming a pair are converted to one recording pixel (in the case of the presence of picture dots, either one of the picture dots having two large and small sizes is selected corresponding to the state of two pixels) by an AND gate 93, an OR gate 94 and a selector 95 to convert image data to recording data wherein the number pixels is 1/2. The recording pixel rows corresponding to the recording data thus formed are formed using the predetermined half number of heating resistors among a large number of heating resistors to drive a thermal printing head on the basis of the recording data and various signals generated in a control signal generating part 96.