Method and apparatus for marking a receiver media with specularl

Details Method and apparatus for marking a receiver media with specularl Method and apparatus for marking a receiver media with specularl

1992-06-24

1994-11-29

Fuller, Benjamin R.

Incremental printing of symbolic information

Ink jet

Ejector mechanism

346 76PH, 3461351, B41J 232

Patent

active

053694198

ABSTRACT:
In a thermal imaging printer system, a method and apparatus of marking the specularly reflective receiver media with indicia differing in specularity from the surface specularity of the media. In either transparent or opaque receiver media having a specularly reflective or glossy surface, alphanumeric characters are imprinted by a linear or dot matrix thermal printhead without transferring ink to the media surface. The application of thermal energy to the surface by the energized printhead elements is effective to melt the surface layer and change its specularity sufficient to render the printed indicia visible without affecting images otherwise printed on the receiver media. The marking method may be employed in relation to receiver media printed by photographic, thermal, xerographic, laser or other printing techniques as long as the specularity of the media surface may be changed by the application of localized thermal energy.

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patent: 5064301 (1991-11-01), Nakamura et al.
patent: 5109236 (1992-04-01), Watanabe et al.

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