Apparatus for aligning the printing data of a serial printer

Details Apparatus for aligning the printing data of a serial printer Apparatus for aligning the printing data of a serial printer

1990-12-31

1992-06-09

Evans, Arthur G.

395110, 395117, G06K 1500

Patent

active

051214717

ABSTRACT:
There is provided an apparatus for aligning the printing data of a serial printer including: a controller (10) for controlling the system of the serial printer; a decoder (20) for decoding the data signal of the controller to sequentially enable the printing data, the decoder (20) being enabled by the enabling signal of the controller; a first buffer (30) for buffering the printing data of the controller, the first buffer (30) being enabled by the enabling signal of the decoder (20); a second buffer (40) for buffering the data of the first buffer to shift to a desired amount; a shift register (50) for shifting the data of the first buffer to the amount of the odd and even numbered data of the second buffer by the clock pulses applied from the controller, said shift register (50) being enabled by the output of the decoder (20); and a third buffer (60) for buffering the shifted data of the shift register (50) to apply the data to the printer head.

REFERENCES:
patent: 3651258 (1972-03-01), Ammann
patent: 4431319 (1984-02-01), Kakaki et al.

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