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:
Mar. 12, 2024
Filed:
Jan. 13, 2022
Applicant:
Dell Products L.p., Round Rock, TX (US);
Inventors:
Jason Scott Morrison, Chadron, NE (US);
Erik Summa, Austin, TX (US);
Assignee:
Dell Products L.P., Round Rock, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 3/0354 (2013.01);
U.S. Cl.
CPC ...
G06F 3/03541 (2013.01);
Abstract
This disclosure provides systems, methods, and apparatuses for a trackball including an adaptive brake. In an aspect, an apparatus includes a trackball, a wheel coupled to the trackball and configured to rotate about an axis, and a brake system configured to apply a braking force to the wheel. In some aspects, the brake system includes a magnetorheological fluid (MRF) brake, such as an MRF rotational brake. The MRF brake may be configured to apply a braking force to the wheel.