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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.:

US 9557827 B1

PDFFull Text
Expired
Date of Patent:
Jan. 31, 2017

Filed:

May. 28, 2015

Optical digitizer system with position-unique photoluminescent indicia

Applicant:

3m Innovative Properties Company, St. Paul, MN (US);

Inventors:

Bernard O. Geaghan, Salem, NH (US);

Michael Benton Free, St. Paul, MN (US);

Edward S. Hagermoser, Lancaster, MA (US);

Rachael P. Marino, Londonderry, NH (US);

Pradnya V. Nagarkar, Weston, MA (US);

Martin B. Wolk, Woodbury, MN (US);

Assignee:

3M Innovative Properties Company, St. Paul, MN (US);

Attorney:

Robert S. Moshrefzadeh

Primary Examiner:

Mark R Gaworecki

Int. Cl.
CPC ...
G06F 3/03 (2006.01); G06K 9/22 (2006.01); G01C 21/20 (2006.01); G06K 19/06 (2006.01);
U.S. Cl.
CPC ...
G06F 3/0321 (2013.01); G01C 21/20 (2013.01); G06F 3/0317 (2013.01); G06K 9/222 (2013.01); G06K 19/06037 (2013.01); G06K 19/06046 (2013.01);
Abstract

A digitizer system including a substrate having a position-unique photoluminescent indicia pattern. A stylus component receives optical signals indicative of the indicia pattern and determines therefrom the position of the stylus relative to the substrate. Methods of disposing indicia on the substrate, and styli suitable for sensing photoluminescent indicia are also described.

Find Patent Forward Citations

Geaghan, Bernard. (2017). Optical digitizer system with position-unique photoluminescent indicia (U.S. Patent No. 9557827). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9557827

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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