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:
Aug. 10, 2021
Filed:
Aug. 07, 2020
Applicant:
E Ink Corporation, Billerica, MA (US);
Inventors:
Evan Griffith, Marlborough, MA (US);
Samantha Morrill, Nashua, NH (US);
Richard J. Paolini, Jr., Framingham, MA (US);
Assignee:
E Ink Corporation, Billerica, MA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G06F 3/0354 (2013.01); G09G 3/34 (2006.01); G06F 3/046 (2006.01);
U.S. Cl.
CPC ...
G06F 3/03545 (2013.01); G06F 3/046 (2013.01); G09G 3/344 (2013.01);
Abstract
A stylus for interacting with a magnetic writing medium, such as a magneto-electrophoretic media containing magnetic particles that can be switched electrically in the same way as a conventional electrophoretic display: e.g., between white and black states with the capability of also attaining stable intermediate states of gray. The stylus includes a magnetic sphere and a metal cylinder aligned in the tip.