G - Physics – 06 – K
Patent
G - Physics
06
K
101/96.08
G06K 15/10 (2006.01) B41J 2/505 (2006.01)
Patent
CA 1240205
Abstract of the Disclosure An impact dot matrix printer is disclosed in which a print head consisting of an array of dot pins con- stituted by wires arranged in a vertical direction faces a printing sheet via an ink ribbon and is reciprocable along a horizontal direction. While the print head is moved reciprocally, the dot pin array is driven according to printing data to print a dot pattern con- sisting of a plurality of dots in a dot matrix, the printing sheet being fed by one line pitch in a vertical direction after printing of each line. The printer comprises first detecting means for detecting the posi- tion of the print head during reciprocation, second detecting means for detecting the number of cycles of movement of the print head executed during printing of a dot pattern for one line, means for judging whether to permit dot printing according to the outputs of the first and second detecting means, driver means for driving the print head according to the output of the judging means and printing data, and a sheet feeding mechanism for feeding the printing sheet in the vertical direction for every N cycle (N being a positive integer) of the print head.
489108
Kabushiki Kaisha Toshiba
Ridout & Maybee Llp
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