发明名称 GRADATION RECORDING SYSTEM FOR THERMAL TRANSFER TYPE PRINTER
摘要 PURPOSE:To easily perform gradation recording by a thermal transfer type printer, by a method wherein an ink ribbon gradually varied in ink concentration is used, and the ribbon is appropriately fed. CONSTITUTION:The ink sheet or ink ribbon 4 is provided with regions Y1-Y4 gradually varied in ink concentration for each color. By using the ink ribbon 4, an ink region having the optimum ink concentration for the color corresponding to an image to be recorded is selected, and thermal transfer recording is conducted by feeding the ink ribbon 4.
申请公布号 JPS5989179(A) 申请公布日期 1984.05.23
申请号 JP19820199577 申请日期 1982.11.12
申请人 RICOH KK 发明人 MURANAKA MASAICHI;INOUE TAKASHI
分类号 B41M5/382;B41J2/325;B41J31/00;H04N1/23 主分类号 B41M5/382
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