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US 6,768,558 B1Granted
Printed matter including invisible information and printing system
AssigneeHitachi, Ltd.
InventorsTaichiro Yamashita, Takeshi Shibuya, Junichi Matsuno
Life of this patent
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Abstract
To invisibly embed additional information in a base pattern and to visualize the additional information, a dislocation is provided in a boundary between the base pattern compose of striped thin lines and the additional information pattern composed of striped thin lines. This dislocation makes the stripes of the patterns discontinuous. The additional information pattern is invisibly embedded in the base pattern such that a sequence of dislocations in the stripes forming the boundary is at an angle equal to or larger than a predetermined angle with respect to the stripe direction.
Claims32
A printed matter including invisible information comprising:
- a base pattern formed of a striped pattern having stripes at a predetermined interval;
- and
- an additional information pattern having information to be added to said base pattern wherein said additional information pattern being a striped pattern having stripes of substantially a same width and predetermined interval as said base pattern and having a direction substantially parallel to a direction of said stripes of said base pattern, wherein a boundary between said base pattern and said additional information pattern has a predetermined dislocation between the striped pattern of said base pattern and the striped pattern of said additional information pattern, and wherein the boundary is at an angle equal to or larger than a predetermined angle.
A printed matter comprising:
- a base pattern formed of a striped pattern having stripes at a predetermined interval;
- and
- an additional information pattern positioned inside said base pattern and having a striped pattern having stripes of substantially a same width and predetermined interval as said base pattern and a direction substantially parallel to a direction of said stripes of said base pattern, to provide a predetermined outline shape formed by discontinuous boundaries between stripes of said additional information pattern and said base pattern, wherein said additional information pattern is visually identified by putting thereon a reference pattern, printed on a transparent medium, to generate moiré of the base pattern and the additional information pattern, each pattern having its own moiré, wherein a boundary between said base pattern and said additional information pattern is arranged so that said striped patterns become discontinuous, and wherein the boundary is arranged at a predetermined angle with respect to a stripe direction of the striped patterns of said base pattern and said additional information pattern.
A printed matter creation system comprising:
- an accepting apparatus accepting a printed matter generation request;
- means for distributing the printed matter generation request accepted via the accepting apparatus to a remote location;
- editing means for editing predetermined printed matter contents having a base pattern formed of a striped pattern in response to the printed matter generation request;
- additional information creating means for providing an additional information pattern having a striped pattern having stripes of substantially a same width and interval as said base pattern and having a direction substantially parallel to a direction of stripes of the base pattern, and rotating and/or deforming a an outline of said predetermined additional information pattern of the printed matter contents with respect to a base pattern;
- additional information embedding means for providing said additional information pattern with a pattern corresponding to the base pattern and for invisibly embedding the additional information pattern in the base pattern;
- means for distributing the printed matter contents embedded with said additional information pattern;
- and
- a printer printing the distributed printed matter information.
5 more elements
A print processor comprising:
- editing means for editing predetermined printed matter contents having a base pattern including a striped pattern, in response to a printed matter generation request accepted via an accepting apparatus accepting the printed matter generation request;
- an additional information embedding processor embedding an additional information pattern having a striped pattern having stripes of a same width and interval as said base pattern and having a direction substantially parallel to a direction of stripes of said base pattern, said base pattern being formed in said printed matter contents as a pattern of stripes at a predetermined interval, said additional information pattern being based on said generation request, said additional information pattern being processed so that, in a boundary between said base pattern and said additional information pattern, there is a predetermined dislocation between a striped pattern of said base pattern and the striped pattern of said additional information pattern and, in addition, the boundary is at an angle equal to or larger than a predetermined angle;
- and
- a charging unit calculating a fee of the printed matter, said fee being requested to generate in response to processing of said additional information.
1 more element
Dependencies are inferred from the claim text.