Printer which prints with a resolution exceeding led head resolu

Details Printer which prints with a resolution exceeding led head resolu Printer which prints with a resolution exceeding led head resolu

1992-07-02

1997-07-15

Fuller, Benjamin R.

Incremental printing of symbolic information

Electric marking apparatus or processes

Electrostatic

347131, 347132, 347237, 347240, 358296, 358300, 358302, B41J 2385, B41J 247, B41J 2435, H04N 123

Patent

active

056488106

ABSTRACT:
Bit data of a received video signal is partially converted into a first signal representing a data sequence corresponding to the resolution of an LED head. The first signal is transmitted to the LED head in the form of a real printing data signal that is to be printed on a basic raster line in synchronism with a line timing signal. The remaining bit data of the received video signal, which are not converted into the first signal, are converted into a second signal representing another data sequence, and then stored in a line buffer. The second signal stored in the line buffer is transmitted to the LED head in the form of a real printing data signal that is to be printed on an additional raster line in synchronism with an additional line timing signal. The LED head drive energy with which the basic raster lines are printed and another LED head drive energy with which the additional raster lines are printed are set independently of each other.

REFERENCES:
patent: 4074319 (1978-02-01), Goldschmidt et al.
patent: 4814886 (1989-03-01), Kuge et al.
patent: 4835549 (1989-05-01), Samejima et al.
patent: 4835551 (1989-05-01), Ng
patent: 4879605 (1989-11-01), Warkentin et al.
patent: 5105202 (1992-04-01), Hewes
patent: 5134405 (1992-07-01), Frazier et al.
patent: 5193008 (1993-03-01), Frazier et al.
patent: 5245355 (1993-09-01), Morton

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