| 摘要 |
1294411 Selective printing TEXAS INSTRUMENTS Inc 21 April 1970 [8 May 1969] 18986/70 Heading B6F By interposing a ribbon 56 with a coating transferable with the application of heat between a paper web 46 and thermal matrix printing head 28 printing is effected on the web. In (Fig. 8), an insulator (80) is interposed between the head and the ribbon 56. Specifications 1,278,850 and 1,278,849 are referred to. |
