The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 23, 2017
Filed:
Jan. 28, 2015
Applicant:
3dtl, Inc., Santa Clara, CA (US);
Inventor:
Elizabeth A. Downing, Los Altos Hills, CA (US);
Assignee:
3DTL, Inc., Los Altos Hills, CA (US);
Primary Examiner:
Int. Cl.
CPC ...
G06F 17/00 (2006.01); G02B 5/22 (2006.01); G06K 7/12 (2006.01); B42D 25/36 (2014.01); B42D 25/378 (2014.01); G07D 7/12 (2016.01); G07D 7/00 (2016.01); G07D 7/20 (2016.01); G06K 19/06 (2006.01);
U.S. Cl.
CPC ...
G02B 5/223 (2013.01); B42D 25/36 (2014.10); B42D 25/378 (2014.10); G06K 7/12 (2013.01); G07D 7/0026 (2013.01); G07D 7/121 (2013.01); G07D 7/122 (2013.01); G07D 7/2058 (2013.01); G06K 2019/06225 (2013.01);
Abstract
An anti-copy optical material and methods of using the material to passively frustrate scanner-based reproduction processes are disclosed. More particularly, embodiments of the anti-copy optical material include a fluorescent material to absorb visible incident light from a scan lamp and to emit a visible fluorescence. The anti-copy optical material may also include one or more optical absorbers to absorb one or more peak wavelengths of the visible incident light from the scan lamp.