Posterboard
DCFirst Claim
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1. An improved posterboard, comprising:
- a rectangular posterboard having vertical side edges and horizontal top and bottom edges;
guide markings printed on the posterboard;
the guide markings being visually perceptible at a writing distance away from the posterboard, and substantially imperceptible at a viewing distance away from the posterboard.
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Abstract
Improved posterboard is formed from a rectangular posterboard having vertical side edges and horizontal top and bottom edges. Guide marking are applied to the posterbboard. The guide markings are visually perceptible at a writing distance away from the posterboard, and substantially imperceptible at a viewing distance length away from the posterboard.
8 Citations
19 Claims
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1. An improved posterboard, comprising:
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a rectangular posterboard having vertical side edges and horizontal top and bottom edges; guide markings printed on the posterboard; the guide markings being visually perceptible at a writing distance away from the posterboard, and substantially imperceptible at a viewing distance away from the posterboard. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. An improved posterboard, comprising:
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a rectangular posterboard having vertical side edges and horizontal top and bottom edges; guide markings applied to substantially all of one surface of the posterboard; the guide markings composed of a grid printed on the posterboard; the grid composed of horizontal and vertical lines of substantially equal thickness and substantially equal spacing; the lines being about one point rule weight thick; the lines being spaced about 0.5" apart; the lines being visually perceptible at a writing distance away from the posterboard, and substantially imperceptible at a viewing distance away from the posterboard; the lines being printed from an ink composed of about 50% silver and 50% white; and the grid printed by a plate exposed with a 10% screen.
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14. An improved posterboard comprising
a writing surface having top, bottom and side edges; -
guide markings printed on the writing surface using an ink composed of 50% silver and 50% white pigments; whereby the guide markings are visually perceptible at a writing distance away from the writing surface and substantially imperceptible at a viewing distance away from the writing surface greater than the writing distance. - View Dependent Claims (15, 16)
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17. An improved posterboard comprising
a writing surface having top, bottom and side edges; -
guide markings printed on the writing surface using a plate exposed with a 10% screen; whereby the guide markings are visually perceptible at a writing distance away from the writing surface and substantially imperceptible at a viewing distance away from the writing surface greater than the writing distance. - View Dependent Claims (18, 19)
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Specification