Non-visualized information recording medium and apparatus for de

Details Non-visualized information recording medium and apparatus for de Non-visualized information recording medium and apparatus for de

1997-06-09

1998-06-09

Hannaher, Constantine

Radiant energy

Luminophor irradiation

Methods

250271, 2503417, 2504581, G01T 2163

Patent

active

057638918

ABSTRACT:
A method and apparatus for processing a medium on which an identification mark is formed using a plurality of recording materials having fluorescent characteristics in wavelength regions almost overlapping with each other and having maximum absorbing characteristics at different wavelengths. The method and apparatus include the features of detecting, on the medium, the identification mark which is comprised of the plurality of recording materials and controlling an operation of a processing apparatus in accordance with a result of the detecting of the identification mark.

REFERENCES:
patent: 4452843 (1984-06-01), Kaule et al.
patent: 4586811 (1986-05-01), Kubo et al.
patent: 4609821 (1986-09-01), Summers
patent: 4935628 (1990-06-01), Martin et al.
patent: 5220166 (1993-06-01), Takeuchi et al.
patent: 5383023 (1995-01-01), Walleczek
patent: 5498875 (1996-03-01), Obremski et al.

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