Method of correcting light quantity in an optical writing appara

Details Method of correcting light quantity in an optical writing appara Method of correcting light quantity in an optical writing appara

1999-04-20

2000-12-19

Le, N.

Incremental printing of symbolic information

Light or beam marking apparatus or processes

Scan of light

347246, 347240, 347251, 25055903, 25055905, 355 35, B41J 2435

Patent

active

061633313

ABSTRACT:
In a method of correcting output light quantities of a plurality of optical output media aligned in one direction in an optical writing apparatus that activates and deactivates the optical output media in multi-gradation to thereby perform optical writing onto an object onto which writing is to be performed, the quantity of light outputted from each of the optical output media is measured, and a variation in the output light quantities of the optical output media is corrected based on a result of the measurement. In performing the correction, in a specific gradation range, correction is performed so that the output light quantities of the optical output media are not made uniform.

REFERENCES:
patent: 5684568 (1997-11-01), Ishikawa et al.
patent: 5706075 (1998-01-01), Ishikawa et al.
patent: 5790240 (1998-08-01), Ishikawa et al.

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