Dot printer and method for grey level recording with different b

Details Dot printer and method for grey level recording with different b Dot printer and method for grey level recording with different b

1993-12-28

1997-02-18

Fuller, Benjamin R.

Incremental printing of symbolic information

Light or beam marking apparatus or processes

Scan of light

347237, B41J 247, B41J 2435

Patent

active

056045271

ABSTRACT:
A non-impact recording apparatus for recording grey level exposures, the recording apparatus includes one or more recording elements such as LEDs. Image data signals of a predetermined multibits per pixel bit-depth dimension are generated by a data source along with a signal representing the predetermined bit-depth dimension. An exposure clock counter counts exposure clock pulses and outputs a count signal in response to clock pulses. The count signal represents a count value. A comparator compares a multibits-per-pixel image data signal with the count signal from the counter and generates a signal. A current driver is responsive to the signal from the comparator and controls a recording duration. Counting in the counter is adjusted in accordance with the multibits per pixel bit-depth dimension of the image data signal.

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