Method and apparatus for enhancing and maintaining

专利名称：Method and apparatus for enhancing and

maintaining character quality in thermalprinters

发明人：Albert W. Kovalick申请号：US05/508111申请日：19740923公开号：US03934695A公开日：19760127

摘要：The quality of thermally printed characters is enhanced by controlling the timeat which and the time for which power is applied to the resistive printing elements in abattery-operated moving-head thermal dot matrix printer. By sequentially strobing theelements in the pattern of the character to be formed as the print head moves acrossthermal sensitive paper, a high-quality slanted character is printed and parasitic lossesare reduced. By inversely varying the time power is supplied to each dot as batteryvoltage varies, character quality is maintained and useful battery life is extended.

申请人：HEWLETT-PACKARD COMPANY

代理人：F. David LaRiviere

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