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:
Jul. 13, 2010
Filed:
May. 04, 2006
Applicants:
Arkady Pittel, Brookline, MA (US);
Andrew M. Goldman, Stow, MA (US);
Stanislav V. Elektrov, Needham, MA (US);
Sergey Liberman, Bedford, MA (US);
Inventors:
Arkady Pittel, Brookline, MA (US);
Andrew M. Goldman, Stow, MA (US);
Stanislav V. Elektrov, Needham, MA (US);
Sergey Liberman, Bedford, MA (US);
Assignee:
CandleDragon Inc., Brookline, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01J 1/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
An array of sensitive pixel elements is configured to generate signals representative of sensed light that is associated with writing being done by a user, and an optical system concentrates light from a light source across a section of the array of sensitive pixel elements, the signals being useful to compute a subpixel measurement of a position of the light source.