Shading correction method for heat development recording...

Details Shading correction method for heat development recording... Shading correction method for heat development recording...

2005-07-05

2005-07-05

Pham, Hai (Department: 2861)

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C347S240000

Reexamination Certificate

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06914621

ABSTRACT:
Upon adjustment before the adjustment of a heat development recording apparatus, a continuous recording pattern is outputted. The recording density of this continuous recording pattern is measured by a recording density measuring unit. A shading correction table for each pixel is formed and the shading correction table is registered in a storing unit. On the other hand, after the heat development recording apparatus is shipped without mounting the recording density measuring unit thereon, a discrete recording pattern is outputted. The recording density of the discrete recording pattern is measured for each discrete recording position to generate a shading correction table. The shading correction table registered in the storing unit is updated. Therefore, it is possible to reduce a cost while a good shading correction function is ensured.

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patent: 5859933 (1999-01-01), Sasanuma et al.
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patent: 11-038517 (1999-02-01), None

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