Method and apparatus for halftone printing with multi-signal...

Details Method and apparatus for halftone printing with multi-signal... Method and apparatus for halftone printing with multi-signal...

2007-02-27

2007-02-27

Shah, Manish S. (Department: 2853)

Incremental printing of symbolic information

Ink jet

Fluid or fluid source handling means

C347S095000, C235S491000

Reexamination Certificate

active

10692570

ABSTRACT:
A method for printing indicium on an article including steps of providing a supply of ink including a multi-signal transmission ink which is adapted to provide an optically visual signal when viewed in normal daylight and adapted to provide a different signal which is adapted to be machine readable; and printing at least a portion of the indicium on the article by halftone printing the multi-signal transmission ink. The portion is adapted to be visually observable in normal daylight. The portion is adapted to be read as a non-halftoned signal by a machine even though the portion is halftone printed.

REFERENCES:
patent: 4553173 (1985-11-01), Kawamura
patent: 5554842 (1996-09-01), Connell et al.
patent: 5837042 (1998-11-01), Lent et al.
patent: 5946103 (1999-08-01), Curry
patent: 6176908 (2001-01-01), Bauer et al.
patent: 2002/0096064 (2002-07-01), Fissell
patent: 1038690 (2000-09-01), None
patent: WO03/011606 (2003-02-01), None

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