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. 02, 2021
Filed:
Jun. 15, 2018
Applicant:
Immersion Corporation, San Jose, CA (US);
Inventors:
Juan Manuel Cruz-Hernandez, Westmount, CA;
Danny A. Grant, Laval, CA;
Christopher Ullrich, Ventura, CA (US);
Kaniyalal Shah, Fremont, CA (US);
Assignee:
IMMERSION CORPORATION, San Jose, CA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G06F 3/01 (2006.01);
U.S. Cl.
CPC ...
G06F 3/016 (2013.01);
Abstract
Systems, methods, and instructions for driving an actuator using an open-loop drive circuit that generate, at a processor, a reference input signal according to a predetermined or predicted command signal, supply the reference input signal to an amplifier to generate a command signal, and supply the command signal to the haptic output device to render a haptic effect.