Recording medium discriminating method and recording apparatus

Details Recording medium discriminating method and recording apparatus Recording medium discriminating method and recording apparatus

2006-10-24

2006-10-24

Shah, Manish S. (Department: 2853)

Incremental printing of symbolic information

Ink jet

Medium and processing means

C347S014000, C347S101000, C358S001100, C358S001600

Reexamination Certificate

active

07125114

ABSTRACT:
Discrimination of the type of a recording medium with high accuracy is obtained by using the intensity of a specular reflection light from the recording medium and a feature of the recording medium surface derived from an image of the recording medium surface as discrimination parameters. In particular, the accuracy in discrimination between plain paper and ink-jet coated paper and between photographic glossy paper and a glossy film is improved. Also, the type of the recording medium is discriminated based on a detected value of the intensity of the specular reflection light from the recording medium and a parameter representing surface conditions of the recording medium which is derived from an image information made up of a plurality of pixels corresponding to a predetermined area of the recording medium surface.

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