Device for correcting non-linearity of scanner in image forming

Details Device for correcting non-linearity of scanner in image forming Device for correcting non-linearity of scanner in image forming

1998-07-10

2000-10-03

Le, N.

Incremental printing of symbolic information

Light or beam marking apparatus or processes

Scan of light

347237, 347235, 347249, B41J 2435

Patent

active

061280291

ABSTRACT:
A device for correcting the non-linearity of a scanner comprising: a reset pulse generator for generating a reset pulse with a predetermined pulse width in synchronization with a scanning start signal generated corresponding to an input photosensitive belt sensing signal; an address generator for outputting an address by being reset by the reset pulse; a look-up table, that is initiated by the scanning start signal, for receiving an address from the address generator and for outputting information corresponding to the address in the form of digital data; and a converter for outputting a synchronizing signal with a frequency corresponding to the digital data from the LUT. Another aspect of this invention is a method for correcting the non-linearity of a scanner.

REFERENCES:
patent: 5177621 (1993-01-01), Ohtaki et al.
patent: 5331342 (1994-07-01), Shimatani et al.
patent: 5453851 (1995-09-01), Faulhaber
patent: 5764378 (1998-06-01), Oda et al.
patent: 5815726 (1998-09-01), Cliff

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