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.

Date of Patent:
Feb. 16, 2016

Filed:

Feb. 07, 2014
Applicant:

Topaz Systems, Inc., Simi Valley, CA (US);

Inventor:

Anthony E. Zank, Westlake Village, CA (US);

Assignee:

Topaz Systems, Inc., Simi Valley, CA (US);

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 3/041 (2006.01); G02F 1/1333 (2006.01); G06F 1/16 (2006.01);
U.S. Cl.
CPC ...
G06F 3/0414 (2013.01); G02F 1/13338 (2013.01); G06F 1/1603 (2013.01);
Abstract

An overlay for covering the writing surface of an electronic writing tablet includes (a) an LCD touch screen adapted to (i) initially display an image drawn or written upon the upper surface by application of pressure on the upper surface without requiring a transfer of matter to the upper surface and (ii) continue display of the image without the consumption of electrical power; (b) a source of electrical power; and (c) a reversible attaching mechanism for reversibly attaching the LCD touch screen over the writing surface of the writing tablet.


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