Phosphorescent book

Details Phosphorescent book Phosphorescent book

1995-03-06

1997-02-04

Han, Frances

Printed matter

Having revealable concealed information, fraud preventer or...

Utilizing electromagnetic radiation

281 22, 281 38, 281 51, 283 631, 283 61, 283 62, B42D 100

Patent

active

055990487

ABSTRACT:
A book is formed from a number of rigid pages each formed from a stiff material. All of the indicia on the pages are formed from a material having luminescent properties and also having a thickness on the page to form a relief pattern on the page. The luminescent also includes colored pigment providing different colors on the page. The indicium elements on each page are arranged relative to the next adjacent page so that they do not overlap when the pages are closed. An edge bead is applied onto relatively thick page edges to illuminate the edges and to provide a soft feel to the edges.

REFERENCES:
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patent: 2347285 (1944-04-01), Russell
patent: 2501902 (1950-03-01), Howell
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patent: 5118138 (1992-06-01), Brotz
patent: 5149568 (1992-09-01), Beck
patent: 5172937 (1992-12-01), Sachetti
patent: 5270100 (1993-12-01), Giglio
patent: 5301982 (1994-04-01), Brotz
patent: 5460414 (1995-10-01), Sargis

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