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| Number | Title | Issue Date |
| 4835547 | Thermal printer with a mechanism for preventing a recording sheet's meandering A thermal printer with a mechanism for preventing recording sheet from meandering. In order to perform the mechanism, the thermal printer is provided with a thermal line head, a platen roller and a holding shaft which is perpendicular to the surface of a ... | 05/30/1989 |
| 4591871 | Recorder with functions to correct expansion or contraction of recording paper A recorder including an A/D converter for converting analog measured input signals into digital input sampling data for a predetermined sampling period, for processing the converted data by a microprocessor, and for subsequently driving a recording head t... | 05/27/1986 |
